1: /*
2: ================================================================================
3: RPL/2 (R) version 4.1.6
4: Copyright (C) 1989-2012 Dr. BERTRAND Joël
5:
6: This file is part of RPL/2.
7:
8: RPL/2 is free software; you can redistribute it and/or modify it
9: under the terms of the CeCILL V2 License as published by the french
10: CEA, CNRS and INRIA.
11:
12: RPL/2 is distributed in the hope that it will be useful, but WITHOUT
13: ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14: FITNESS FOR A PARTICULAR PURPOSE. See the CeCILL V2 License
15: for more details.
16:
17: You should have received a copy of the CeCILL License
18: along with RPL/2. If not, write to info@cecill.info.
19: ================================================================================
20: */
21:
22:
23: #include "rpl-conv.h"
24:
25:
26: /*
27: ================================================================================
28: Fonction 'oct'
29: ================================================================================
30: Entrées :
31: --------------------------------------------------------------------------------
32: Sorties :
33: --------------------------------------------------------------------------------
34: Effets de bord : néant
35: ================================================================================
36: */
37:
38: void
39: instruction_oct(struct_processus *s_etat_processus)
40: {
41: (*s_etat_processus).erreur_execution = d_ex;
42:
43: if ((*s_etat_processus).affichage_arguments == 'Y')
44: {
45: printf("\n OCT ");
46:
47: if ((*s_etat_processus).langue == 'F')
48: {
49: printf("(base octale)\n\n");
50: printf(" Aucun argument\n");
51: }
52: else
53: {
54: printf("(octal base)\n\n");
55: printf(" No argument\n");
56: }
57:
58: return;
59: }
60: else if ((*s_etat_processus).test_instruction == 'Y')
61: {
62: (*s_etat_processus).nombre_arguments = -1;
63: return;
64: }
65:
66: if (test_cfsf(s_etat_processus, 31) == d_vrai)
67: {
68: if (empilement_pile_last(s_etat_processus, 0) == d_erreur)
69: {
70: return;
71: }
72: }
73:
74: sf(s_etat_processus, 43);
75: cf(s_etat_processus, 44);
76:
77: return;
78: }
79:
80:
81: /*
82: ================================================================================
83: Fonction 'over'
84: ================================================================================
85: Entrées :
86: --------------------------------------------------------------------------------
87: Sorties :
88: --------------------------------------------------------------------------------
89: Effets de bord : néant
90: ================================================================================
91: */
92:
93: void
94: instruction_over(struct_processus *s_etat_processus)
95: {
96: struct_objet *s_objet;
97:
98: (*s_etat_processus).erreur_execution = d_ex;
99:
100: if ((*s_etat_processus).affichage_arguments == 'Y')
101: {
102: printf("\n OVER ");
103:
104: if ((*s_etat_processus).langue == 'F')
105: {
106: printf("(duplication de l'objet de niveau 2)\n\n");
107: }
108: else
109: {
110: printf("(duplication of level 2 object)\n\n");
111: }
112:
113: printf(" 2: %s, %s, %s, %s, %s, %s,\n"
114: " %s, %s, %s, %s, %s,\n"
115: " %s, %s, %s, %s, %s,\n"
116: " %s, %s, %s, %s,\n"
117: " %s, %s\n",
118: d_INT, d_REL, d_CPL, d_VIN, d_VRL, d_VCX, d_MIN, d_MRL, d_MCX,
119: d_TAB, d_BIN, d_NOM, d_CHN, d_LST, d_ALG, d_RPN, d_FCH, d_SCK,
120: d_SQL, d_SLB, d_PRC, d_MTX);
121: printf(" 1: %s, %s, %s, %s, %s, %s,\n"
122: " %s, %s, %s, %s, %s,\n"
123: " %s, %s, %s, %s, %s,\n"
124: " %s, %s, %s, %s,\n"
125: " %s, %s\n",
126: d_INT, d_REL, d_CPL, d_VIN, d_VRL, d_VCX, d_MIN, d_MRL, d_MCX,
127: d_TAB, d_BIN, d_NOM, d_CHN, d_LST, d_ALG, d_RPN, d_FCH, d_SCK,
128: d_SQL, d_SLB, d_PRC, d_MTX);
129: printf("-> 3: %s, %s, %s, %s, %s, %s,\n"
130: " %s, %s, %s, %s, %s,\n"
131: " %s, %s, %s, %s, %s,\n"
132: " %s, %s, %s, %s,\n"
133: " %s, %s\n",
134: d_INT, d_REL, d_CPL, d_VIN, d_VRL, d_VCX, d_MIN, d_MRL, d_MCX,
135: d_TAB, d_BIN, d_NOM, d_CHN, d_LST, d_ALG, d_RPN, d_FCH, d_SCK,
136: d_SQL, d_SLB, d_PRC, d_MTX);
137: printf(" ...\n");
138: printf(" 1: %s, %s, %s, %s, %s, %s,\n"
139: " %s, %s, %s, %s, %s,\n"
140: " %s, %s, %s, %s, %s,\n"
141: " %s, %s, %s, %s,\n"
142: " %s, %s\n",
143: d_INT, d_REL, d_CPL, d_VIN, d_VRL, d_VCX, d_MIN, d_MRL, d_MCX,
144: d_TAB, d_BIN, d_NOM, d_CHN, d_LST, d_ALG, d_RPN, d_FCH, d_SCK,
145: d_SQL, d_SLB, d_PRC, d_MTX);
146:
147: return;
148: }
149: else if ((*s_etat_processus).test_instruction == 'Y')
150: {
151: (*s_etat_processus).nombre_arguments = -1;
152: return;
153: }
154:
155: if (test_cfsf(s_etat_processus, 31) == d_vrai)
156: {
157: if (empilement_pile_last(s_etat_processus, 2) == d_erreur)
158: {
159: return;
160: }
161: }
162:
163: if ((*s_etat_processus).hauteur_pile_operationnelle < 2)
164: {
165: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
166: return;
167: }
168:
169: s_objet = copie_objet(s_etat_processus,
170: (*(*(*s_etat_processus).l_base_pile).suivant).donnee, 'P');
171:
172: if (s_objet == NULL)
173: {
174: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
175: return;
176: }
177:
178: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
179: s_objet) == d_erreur)
180: {
181: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
182: return;
183: }
184:
185: return;
186: }
187:
188:
189: /*
190: ================================================================================
191: Fonction 'or'
192: ================================================================================
193: Entrées : pointeur sur une structure struct_processus
194: --------------------------------------------------------------------------------
195: Sorties :
196: --------------------------------------------------------------------------------
197: Effets de bord : néant
198: ================================================================================
199: */
200:
201: void
202: instruction_or(struct_processus *s_etat_processus)
203: {
204: struct_liste_chainee *l_element_courant;
205: struct_liste_chainee *l_element_precedent;
206:
207: struct_objet *s_copie_argument_1;
208: struct_objet *s_copie_argument_2;
209: struct_objet *s_objet_argument_1;
210: struct_objet *s_objet_argument_2;
211: struct_objet *s_objet_resultat;
212:
213: unsigned long nombre_elements;
214:
215: (*s_etat_processus).erreur_execution = d_ex;
216:
217: if ((*s_etat_processus).affichage_arguments == 'Y')
218: {
219: printf("\n OR ");
220:
221: if ((*s_etat_processus).langue == 'F')
222: {
223: printf("(opérateur ou)\n\n");
224: }
225: else
226: {
227: printf("(or operator)\n\n");
228: }
229:
230: printf(" 2: %s, %s\n", d_INT, d_REL);
231: printf(" 1: %s, %s\n", d_INT, d_REL);
232: printf("-> 1: %s\n\n", d_INT);
233:
234: printf(" 2: %s\n", d_BIN);
235: printf(" 1: %s\n", d_BIN);
236: printf("-> 1: %s\n\n", d_BIN);
237:
238: printf(" 2: %s\n", d_NOM);
239: printf(" 1: %s, %s, %s, %s\n", d_NOM, d_ALG, d_INT, d_REL);
240: printf("-> 1: %s\n\n", d_ALG);
241:
242: printf(" 2: %s, %s, %s, %s\n", d_NOM, d_ALG, d_INT, d_REL);
243: printf(" 1: %s\n", d_NOM);
244: printf("-> 1: %s\n\n", d_ALG);
245:
246: printf(" 2: %s\n", d_ALG);
247: printf(" 1: %s\n", d_ALG);
248: printf("-> 1: %s\n\n", d_ALG);
249:
250: printf(" 2: %s\n", d_RPN);
251: printf(" 1: %s\n", d_RPN);
252: printf("-> 1: %s\n", d_RPN);
253:
254: return;
255: }
256: else if ((*s_etat_processus).test_instruction == 'Y')
257: {
258: (*s_etat_processus).nombre_arguments = 0;
259: return;
260: }
261:
262: if (test_cfsf(s_etat_processus, 31) == d_vrai)
263: {
264: if (empilement_pile_last(s_etat_processus, 2) == d_erreur)
265: {
266: return;
267: }
268: }
269:
270: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
271: &s_objet_argument_1) == d_erreur)
272: {
273: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
274: return;
275: }
276:
277: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
278: &s_objet_argument_2) == d_erreur)
279: {
280: liberation(s_etat_processus, s_objet_argument_1);
281:
282: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
283: return;
284: }
285:
286: /*
287: --------------------------------------------------------------------------------
288: OR logique
289: --------------------------------------------------------------------------------
290: */
291:
292: if ((((*s_objet_argument_1).type == INT) ||
293: ((*s_objet_argument_1).type == REL)) &&
294: (((*s_objet_argument_2).type == INT) ||
295: ((*s_objet_argument_2).type == REL)))
296: {
297: if ((s_objet_resultat = allocation(s_etat_processus, INT)) == NULL)
298: {
299: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
300: return;
301: }
302:
303: if ((*s_objet_argument_1).type == INT)
304: {
305: if ((*s_objet_argument_2).type == INT)
306: {
307: if (((*((integer8 *) (*s_objet_argument_1).objet)) != 0) ||
308: ((*((integer8 *) (*s_objet_argument_2).objet)) != 0))
309: {
310: (*((integer8 *) (*s_objet_resultat).objet)) = -1;
311: }
312: else
313: {
314: (*((integer8 *) (*s_objet_resultat).objet)) = 0;
315: }
316: }
317: else
318: {
319: if (((*((integer8 *) (*s_objet_argument_1).objet)) != 0) ||
320: ((*((real8 *) (*s_objet_argument_2).objet)) != 0))
321: {
322: (*((integer8 *) (*s_objet_resultat).objet)) = -1;
323: }
324: else
325: {
326: (*((integer8 *) (*s_objet_resultat).objet)) = 0;
327: }
328: }
329: }
330: else
331: {
332: if ((*s_objet_argument_2).type == INT)
333: {
334: if (((*((real8 *) (*s_objet_argument_1).objet)) != 0) ||
335: ((*((integer8 *) (*s_objet_argument_2).objet)) != 0))
336: {
337: (*((integer8 *) (*s_objet_resultat).objet)) = -1;
338: }
339: else
340: {
341: (*((integer8 *) (*s_objet_resultat).objet)) = 0;
342: }
343: }
344: else
345: {
346: if (((*((real8 *) (*s_objet_argument_1).objet)) != 0) ||
347: ((*((real8 *) (*s_objet_argument_2).objet)) != 0))
348: {
349: (*((integer8 *) (*s_objet_resultat).objet)) = -1;
350: }
351: else
352: {
353: (*((integer8 *) (*s_objet_resultat).objet)) = 0;
354: }
355: }
356: }
357: }
358:
359: /*
360: --------------------------------------------------------------------------------
361: OR binaire
362: --------------------------------------------------------------------------------
363: */
364:
365: else if (((*s_objet_argument_1).type == BIN) &&
366: ((*s_objet_argument_2).type == BIN))
367: {
368: if ((s_objet_resultat = allocation(s_etat_processus, BIN)) == NULL)
369: {
370: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
371: return;
372: }
373:
374: (*((logical8 *) (*s_objet_resultat).objet)) =
375: (*((logical8 *) (*s_objet_argument_1).objet)) |
376: (*((logical8 *) (*s_objet_argument_2).objet));
377: }
378:
379: /*
380: --------------------------------------------------------------------------------
381: OR entre des arguments complexes
382: --------------------------------------------------------------------------------
383: */
384:
385: /*
386: * Nom ou valeur numérique / Nom ou valeur numérique
387: */
388:
389: else if ((((*s_objet_argument_1).type == NOM) &&
390: (((*s_objet_argument_2).type == NOM) ||
391: ((*s_objet_argument_2).type == INT) ||
392: ((*s_objet_argument_2).type == REL))) ||
393: (((*s_objet_argument_2).type == NOM) &&
394: (((*s_objet_argument_1).type == INT) ||
395: ((*s_objet_argument_1).type == REL))))
396: {
397: if ((s_objet_resultat = allocation(s_etat_processus, ALG)) == NULL)
398: {
399: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
400: return;
401: }
402:
403: if (((*s_objet_resultat).objet =
404: allocation_maillon(s_etat_processus)) == NULL)
405: {
406: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
407: return;
408: }
409:
410: l_element_courant = (*s_objet_resultat).objet;
411:
412: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
413: == NULL)
414: {
415: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
416: return;
417: }
418:
419: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
420: .nombre_arguments = 0;
421: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
422: .fonction = instruction_vers_niveau_superieur;
423:
424: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
425: .nom_fonction = malloc(3 * sizeof(unsigned char))) == NULL)
426: {
427: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
428: return;
429: }
430:
431: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
432: .nom_fonction, "<<");
433:
434: if (((*l_element_courant).suivant =
435: allocation_maillon(s_etat_processus)) == NULL)
436: {
437: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
438: return;
439: }
440:
441: l_element_courant = (*l_element_courant).suivant;
442: (*l_element_courant).donnee = s_objet_argument_2;
443:
444: if (((*l_element_courant).suivant =
445: allocation_maillon(s_etat_processus)) == NULL)
446: {
447: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
448: return;
449: }
450:
451: l_element_courant = (*l_element_courant).suivant;
452: (*l_element_courant).donnee = s_objet_argument_1;
453:
454: if (((*l_element_courant).suivant =
455: allocation_maillon(s_etat_processus)) == NULL)
456: {
457: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
458: return;
459: }
460:
461: l_element_courant = (*l_element_courant).suivant;
462:
463: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
464: == NULL)
465: {
466: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
467: return;
468: }
469:
470: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
471: .nombre_arguments = 0;
472: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
473: .fonction = instruction_or;
474:
475: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
476: .nom_fonction = malloc(3 * sizeof(unsigned char))) == NULL)
477: {
478: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
479: return;
480: }
481:
482: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
483: .nom_fonction, "OR");
484:
485: if (((*l_element_courant).suivant =
486: allocation_maillon(s_etat_processus)) == NULL)
487: {
488: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
489: return;
490: }
491:
492: l_element_courant = (*l_element_courant).suivant;
493:
494: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
495: == NULL)
496: {
497: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
498: return;
499: }
500:
501: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
502: .nombre_arguments = 0;
503: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
504: .fonction = instruction_vers_niveau_inferieur;
505:
506: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
507: .nom_fonction = malloc(3 * sizeof(unsigned char))) == NULL)
508: {
509: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
510: return;
511: }
512:
513: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
514: .nom_fonction, ">>");
515:
516: (*l_element_courant).suivant = NULL;
517:
518: s_objet_argument_1 = NULL;
519: s_objet_argument_2 = NULL;
520: }
521:
522: /*
523: * Nom ou valeur numérique / Expression
524: */
525:
526: else if ((((*s_objet_argument_1).type == ALG) ||
527: ((*s_objet_argument_1).type == RPN)) &&
528: (((*s_objet_argument_2).type == NOM) ||
529: ((*s_objet_argument_2).type == INT) ||
530: ((*s_objet_argument_2).type == REL)))
531: {
532: nombre_elements = 0;
533: l_element_courant = (struct_liste_chainee *)
534: (*s_objet_argument_1).objet;
535:
536: while(l_element_courant != NULL)
537: {
538: nombre_elements++;
539: l_element_courant = (*l_element_courant).suivant;
540: }
541:
542: if (nombre_elements == 2)
543: {
544: liberation(s_etat_processus, s_objet_argument_1);
545: liberation(s_etat_processus, s_objet_argument_2);
546:
547: (*s_etat_processus).erreur_execution = d_ex_argument_invalide;
548: return;
549: }
550:
551: if ((s_objet_resultat = copie_objet(s_etat_processus,
552: s_objet_argument_1, 'N')) == NULL)
553: {
554: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
555: return;
556: }
557:
558: l_element_courant = (struct_liste_chainee *)
559: (*s_objet_resultat).objet;
560: l_element_precedent = l_element_courant;
561: l_element_courant = (*l_element_courant).suivant;
562:
563: if (((*l_element_precedent).suivant =
564: allocation_maillon(s_etat_processus)) == NULL)
565: {
566: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
567: return;
568: }
569:
570: (*(*l_element_precedent).suivant).donnee = s_objet_argument_2;
571: (*(*l_element_precedent).suivant).suivant = l_element_courant;
572:
573: while((*l_element_courant).suivant != NULL)
574: {
575: l_element_precedent = l_element_courant;
576: l_element_courant = (*l_element_courant).suivant;
577: }
578:
579: if (((*l_element_precedent).suivant =
580: allocation_maillon(s_etat_processus)) == NULL)
581: {
582: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
583: return;
584: }
585:
586: if (((*(*l_element_precedent).suivant).donnee =
587: allocation(s_etat_processus, FCT)) == NULL)
588: {
589: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
590: return;
591: }
592:
593: (*((struct_fonction *) (*(*(*l_element_precedent).suivant)
594: .donnee).objet)).nombre_arguments = 0;
595: (*((struct_fonction *) (*(*(*l_element_precedent).suivant)
596: .donnee).objet)).fonction = instruction_or;
597:
598: if (((*((struct_fonction *) (*(*(*l_element_precedent)
599: .suivant).donnee).objet)).nom_fonction =
600: malloc(3 * sizeof(unsigned char))) == NULL)
601: {
602: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
603: return;
604: }
605:
606: strcpy((*((struct_fonction *) (*(*(*l_element_precedent)
607: .suivant).donnee).objet)).nom_fonction, "OR");
608:
609: (*(*l_element_precedent).suivant).suivant = l_element_courant;
610:
611: s_objet_argument_2 = NULL;
612: }
613:
614: /*
615: * Expression / Nom ou valeur numérique
616: */
617:
618: else if ((((*s_objet_argument_1).type == NOM) ||
619: ((*s_objet_argument_1).type == INT) ||
620: ((*s_objet_argument_1).type == REL)) &&
621: (((*s_objet_argument_2).type == ALG) ||
622: ((*s_objet_argument_2).type == RPN)))
623: {
624: nombre_elements = 0;
625: l_element_courant = (struct_liste_chainee *)
626: (*s_objet_argument_2).objet;
627:
628: while(l_element_courant != NULL)
629: {
630: nombre_elements++;
631: l_element_courant = (*l_element_courant).suivant;
632: }
633:
634: if (nombre_elements == 2)
635: {
636: liberation(s_etat_processus, s_objet_argument_1);
637: liberation(s_etat_processus, s_objet_argument_2);
638:
639: (*s_etat_processus).erreur_execution = d_ex_argument_invalide;
640: return;
641: }
642:
643: if ((s_objet_resultat = copie_objet(s_etat_processus,
644: s_objet_argument_2, 'N')) == NULL)
645: {
646: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
647: return;
648: }
649:
650: l_element_courant = (struct_liste_chainee *)
651: (*s_objet_resultat).objet;
652: l_element_precedent = l_element_courant;
653:
654: while((*l_element_courant).suivant != NULL)
655: {
656: l_element_precedent = l_element_courant;
657: l_element_courant = (*l_element_courant).suivant;
658: }
659:
660: if (((*l_element_precedent).suivant =
661: allocation_maillon(s_etat_processus)) == NULL)
662: {
663: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
664: return;
665: }
666:
667: (*(*l_element_precedent).suivant).donnee = s_objet_argument_1;
668: l_element_precedent = (*l_element_precedent).suivant;
669:
670: if (((*l_element_precedent).suivant =
671: allocation_maillon(s_etat_processus)) == NULL)
672: {
673: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
674: return;
675: }
676:
677: if (((*(*l_element_precedent).suivant).donnee =
678: allocation(s_etat_processus, FCT)) == NULL)
679: {
680: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
681: return;
682: }
683:
684: (*((struct_fonction *) (*(*(*l_element_precedent).suivant)
685: .donnee).objet)).nombre_arguments = 0;
686: (*((struct_fonction *) (*(*(*l_element_precedent).suivant)
687: .donnee).objet)).fonction = instruction_or;
688:
689: if (((*((struct_fonction *) (*(*(*l_element_precedent)
690: .suivant).donnee).objet)).nom_fonction =
691: malloc(3 * sizeof(unsigned char))) == NULL)
692: {
693: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
694: return;
695: }
696:
697: strcpy((*((struct_fonction *) (*(*(*l_element_precedent)
698: .suivant).donnee).objet)).nom_fonction, "OR");
699:
700: (*(*l_element_precedent).suivant).suivant = l_element_courant;
701:
702: s_objet_argument_1 = NULL;
703: }
704:
705: /*
706: * Expression / Expression
707: */
708:
709: else if ((((*s_objet_argument_1).type == ALG) &&
710: ((*s_objet_argument_2).type == ALG)) ||
711: (((*s_objet_argument_1).type == RPN) &&
712: ((*s_objet_argument_2).type == RPN)))
713: {
714: nombre_elements = 0;
715: l_element_courant = (struct_liste_chainee *)
716: (*s_objet_argument_1).objet;
717:
718: while(l_element_courant != NULL)
719: {
720: nombre_elements++;
721: l_element_courant = (*l_element_courant).suivant;
722: }
723:
724: if (nombre_elements == 2)
725: {
726: liberation(s_etat_processus, s_objet_argument_1);
727: liberation(s_etat_processus, s_objet_argument_2);
728:
729: (*s_etat_processus).erreur_execution = d_ex_argument_invalide;
730: return;
731: }
732:
733: nombre_elements = 0;
734: l_element_courant = (struct_liste_chainee *)
735: (*s_objet_argument_2).objet;
736:
737: while(l_element_courant != NULL)
738: {
739: nombre_elements++;
740: l_element_courant = (*l_element_courant).suivant;
741: }
742:
743: if (nombre_elements == 2)
744: {
745: liberation(s_etat_processus, s_objet_argument_1);
746: liberation(s_etat_processus, s_objet_argument_2);
747:
748: (*s_etat_processus).erreur_execution = d_ex_argument_invalide;
749: return;
750: }
751:
752: if ((s_copie_argument_1 = copie_objet(s_etat_processus,
753: s_objet_argument_1, 'N')) == NULL)
754: {
755: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
756: return;
757: }
758:
759: if ((s_copie_argument_2 = copie_objet(s_etat_processus,
760: s_objet_argument_2, 'N')) == NULL)
761: {
762: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
763: return;
764: }
765:
766: l_element_courant = (struct_liste_chainee *)
767: (*s_copie_argument_1).objet;
768: (*s_copie_argument_1).objet = (void *) (*((struct_liste_chainee *)
769: (*s_copie_argument_1).objet)).suivant;
770:
771: liberation(s_etat_processus, (*l_element_courant).donnee);
772: free(l_element_courant);
773:
774: l_element_courant = (struct_liste_chainee *)
775: (*s_copie_argument_2).objet;
776: l_element_precedent = l_element_courant;
777: s_objet_resultat = s_copie_argument_2;
778:
779: while((*l_element_courant).suivant != NULL)
780: {
781: l_element_precedent = l_element_courant;
782: l_element_courant = (*l_element_courant).suivant;
783: }
784:
785: liberation(s_etat_processus, (*l_element_courant).donnee);
786: free(l_element_courant);
787:
788: (*l_element_precedent).suivant = (struct_liste_chainee *)
789: (*s_copie_argument_1).objet;
790: free(s_copie_argument_1);
791:
792: l_element_courant = (*l_element_precedent).suivant;
793: while((*l_element_courant).suivant != NULL)
794: {
795: l_element_precedent = l_element_courant;
796: l_element_courant = (*l_element_courant).suivant;
797: }
798:
799: if (((*l_element_precedent).suivant =
800: allocation_maillon(s_etat_processus)) == NULL)
801: {
802: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
803: return;
804: }
805:
806: (*(*l_element_precedent).suivant).suivant = l_element_courant;
807: l_element_courant = (*l_element_precedent).suivant;
808:
809: if (((*l_element_courant).donnee = allocation(s_etat_processus, FCT))
810: == NULL)
811: {
812: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
813: return;
814: }
815:
816: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
817: .nombre_arguments = 0;
818: (*((struct_fonction *) (*(*l_element_courant).donnee).objet))
819: .fonction = instruction_or;
820:
821: if (((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
822: .nom_fonction = malloc(3 * sizeof(unsigned char))) == NULL)
823: {
824: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
825: return;
826: }
827:
828: strcpy((*((struct_fonction *) (*(*l_element_courant).donnee).objet))
829: .nom_fonction, "OR");
830: }
831:
832: /*
833: --------------------------------------------------------------------------------
834: OR impossible
835: --------------------------------------------------------------------------------
836: */
837:
838: else
839: {
840: liberation(s_etat_processus, s_objet_argument_1);
841: liberation(s_etat_processus, s_objet_argument_2);
842:
843: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
844: return;
845: }
846:
847: liberation(s_etat_processus, s_objet_argument_1);
848: liberation(s_etat_processus, s_objet_argument_2);
849:
850: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
851: s_objet_resultat) == d_erreur)
852: {
853: return;
854: }
855:
856: return;
857: }
858:
859:
860: /*
861: ================================================================================
862: Fonction 'open'
863: ================================================================================
864: Entrées : pointeur sur une structure struct_processus
865: --------------------------------------------------------------------------------
866: Sorties :
867: --------------------------------------------------------------------------------
868: Effets de bord : néant
869: ================================================================================
870: */
871:
872: void
873: instruction_open(struct_processus *s_etat_processus)
874: {
875: /*
876: * Type d'ouverture :
877: * NEW : crée un nouveau fichier, retourne une erreur si un fichier
878: * préexiste ;
879: * OLD : ouvre un fichier existant, retourne une erreur si le fichier
880: * n'existe pas ;
881: * REPLACE : remplace un fichier existant, retourne une erreur s'il n'y
882: * a aucun fichier à effacer ;
883: * UNKNOWN : ouvre un fichier existant ou crée un nouveau fichier ;
884: * SCRATCH : crée un fichier temporaire automatiquement effacé lors
885: * de sa fermeture (protection automatique 'readwrite');
886: *
887: * Type d'accès :
888: * SEQUENTIAL : accès séquentiel ;
889: * DIRECT : accès direct ;
890: * KEYED : accès indexé.
891: *
892: * Protection :
893: * READONLY : lecture seule ;
894: * WRITEONLY : écriture seule ;
895: * READWRITE : lecture et écriture autorisées.
896: *
897: * Format :
898: * FORMATTED : fichier texte ;
899: * UNFORMATTED : fichier binaire.
900: * FLOW : chaîne de caractères sans format (en tant qu'objet
901: * binaire comme "\x00avz\xFD")
902: */
903:
904: file *descripteur;
905:
906: int buffer_emission;
907: int buffer_reception;
908: int drapeau;
909: int priorite;
910: int protocole_numerique;
911: int timeout_emission;
912: int timeout_reception;
913: int type;
914:
915: integer8 adresse[16];
916: integer8 nombre_maximal_connexions;
917: integer8 port;
918: integer8 position_clef;
919:
920: logical1 erreur;
921: logical1 existence;
922: logical1 ouverture;
923: logical1 presence_port;
924:
925: sqlite3 *sqlite;
926:
927: struct_liste_chainee *l_element_courant;
928: struct_liste_chainee *l_element_courant_sous_objet;
929: struct_liste_chainee *parametre_courant;
930:
931: struct flock lock;
932:
933: struct addrinfo *resolution;
934: struct addrinfo *resolution_courante;
935:
936: struct protoent *s_protocole;
937:
938: struct sockaddr_un socket_unix;
939: struct sockaddr_in socket_ipv4;
940: # ifdef IPV6
941: struct sockaddr_in6 socket_ipv6;
942: # endif
943:
944: struct_objet *s_objet_argument;
945: struct_objet *s_objet_resultat;
946: struct_objet *s_parametres_tty;
947:
948: struct termios tc;
949:
950: uint32_t adresse_ipv4;
951:
952: unsigned char *argument_majuscule;
953: unsigned char *chaine_descripteurs;
954: unsigned char format;
955: unsigned char *hote;
956: unsigned char *nom;
957: unsigned char *nom_temporaire;
958: unsigned char options[12];
959: unsigned char *parametre_courant_majuscule;
960: unsigned char *peripherique;
961: unsigned char *pointeur;
962: unsigned char *position;
963: unsigned char protection;
964: unsigned char protocole[16 + 1];
965: unsigned char *protocole_socket;
966: unsigned char type_acces;
967: unsigned char type_adresse;
968: unsigned char type_arguments;
969: unsigned char type_domaine;
970: unsigned char type_ouverture;
971: unsigned char type_socket;
972:
973: unsigned long i;
974: unsigned long nombre_elements;
975: unsigned long prochain_descripteur;
976: unsigned long unite;
977:
978: # define d_BIND_TO_DEVICE 0
979: # define d_BROADCAST 1
980: # define d_DONT_ROUTE 2
981: # define d_KEEP_ALIVE 3
982: # define d_PRIORITY 4
983: # define d_RECEIVE_BUFFER 5
984: # define d_FORCE_RECEIVE_BUFFER 6
985: # define d_SEND_BUFFER 7
986: # define d_FORCE_SEND_BUFFER 8
987: # define d_RECEIVING_TIMEOUT 9
988: # define d_SENDING_TIMEOUT 10
989: # define d_REUSE_ADDRESS 11
990:
991: /*
992: * Argument : { "ouverture" "accès" "format" [ { "nom" } 'protection' ] }
993: */
994:
995: (*s_etat_processus).erreur_execution = d_ex;
996:
997: if ((*s_etat_processus).affichage_arguments == 'Y')
998: {
999: printf("\n OPEN ");
1000:
1001: if ((*s_etat_processus).langue == 'F')
1002: {
1003: printf("(ouverture d'un fichier, d'une socket ou d'un sémaphore)"
1004: "\n\n");
1005: }
1006: else
1007: {
1008: printf("(open file, socket or semaphore)\n\n");
1009: }
1010:
1011: printf(" 1: %s\n", d_LST);
1012: printf("-> 1: %s, %s\n\n", d_FCH, d_SCK);
1013:
1014: printf(" 1: %s\n", d_CHN);
1015: printf("-> 1: %s\n\n", d_SPH);
1016:
1017: if ((*s_etat_processus).langue == 'F')
1018: {
1019: printf(" Utilisation :\n\n");
1020: }
1021: else
1022: {
1023: printf(" Usage:\n\n");
1024: }
1025:
1026: printf(" { \"filetype\" \"access\" \"format\" { \"name\" "
1027: "\"file name\" } \"protection\" } OPEN\n");
1028: printf(" { \"filetype\" \"access\" \"format\" { \"name\" "
1029: "\"file name\" } \n"
1030: " { \"stty\" { \"stty parameters\" ... } } } OPEN\n");
1031: printf(" { \"sockettype\" { \"name\" \"local name\" } } OPEN\n");
1032: printf(" { \"sockettype\" \"socketdomain\" \"protection\" } OPEN\n");
1033: printf(" \"/semaphore\" OPEN\n");
1034:
1035: printf(" File type : NEW/OLD/REPLACE/UNKNOWN/SCRATCH\n");
1036: printf(" File access : SEQUENTIAL/DIRECT/KEYED\n");
1037: printf(" Socket type : STREAM/DATAGRAM/RAW/"
1038: "ROBUST DATAGRAM/SEQUENTIAL DATAGRAM\n");
1039: printf(" Socket domain : LOCAL/FOREIGN\n");
1040: printf(" Socket protocol : IPV4/IPV6/UNIX\n");
1041: printf(" Format : FORMATTED/UNFORMATTED/FLOW\n");
1042: printf(" Protection : READONLY/WRITEONLY/READWRITE\n\n");
1043: printf(" Stty parameters : can be prefixed by 'NO'\n");
1044: printf(" IGNBRK, BRKINT, IGNPAR, PARMRK, INPCK, ISTRIP\n");
1045: printf(" INLCR, IGNCR, ICRNL, IXON, IXANY, IXOFF,\n");
1046: printf(" IMAXBEL, OPOST, ONLCR, OCRNL, ONOCR, ONLRET,\n");
1047: printf(" OFILL, HUPCL, CLOCAL, CRTSCTS, ISIG, ICANON,\n");
1048: printf(" ECHO, ECHOE, ECHOK, ECHONL, NOFLSH, TOSTOP,\n");
1049: printf(" IEXTEN, VEOF, VEOL, VERASE, VINTR, VKILL,\n");
1050: printf(" VQUIT, VSTART, VSTOP, VSUSP\n");
1051:
1052: printf(" Address : { \"ADDRESS\" [ 127 0 0 1 ] }\n");
1053: printf(" { \"HOST\" \"hostname\" }\n");
1054: printf(" Connections : { \"LISTEN\" amount of connections }\n");
1055: printf(" Name : { \"NAME\" \"filename\" }\n");
1056: printf(" Options : { \"OPTION\" \"option\" argument }\n");
1057: printf(" \"BIND TO DEVICE\" \"device\"\n");
1058: printf(" \"BROADCAST\"\n");
1059: printf(" \"DO NOT ROUTE\"\n");
1060: printf(" \"KEEP ALIVE\"\n");
1061: printf(" \"PRIORITY\" integer\n");
1062: printf(" \"RECEIVE BUFFER\" integer\n");
1063: printf(" \"FORCE RECEIVE BUFFER\" integer\n");
1064: printf(" \"SEND BUFFER\" integer\n");
1065: printf(" \"FORCE SEND BUFFER\" integer\n");
1066: printf(" \"RECEIVING TIMEOUT\" integer\n");
1067: printf(" \"SENDING TIMEOUT\" integer\n");
1068: printf(" \"REUSE ADDRESS\"\n");
1069: printf(" Port : { \"PORT\" port number }\n");
1070: printf(" Protocol : { \"PROTOCOL\" \"protocol\" }\n\n");
1071:
1072: printf(" { { \"NAME\" \"filename\" } } OPEN\n");
1073: printf(" { \"SCRATCH\" } OPEN\n");
1074: printf(" { { \"NAME\" \"filename\" } \"UNKNOWN\" \"FORMATTED\" "
1075: "\"DIRECT\" } OPEN\n");
1076: printf(" { { \"NAME\" \"filename\" } \"OLD\" \"FORMATTED\" "
1077: "\"KEYED\" { \"KEY\" 2 } } OPEN\n");
1078: printf(" { \"STREAM\" \"READWRITE\" } OPEN\n");
1079: printf(" { \"FOREIGN\" \"DATAGRAM\" } OPEN\n");
1080: printf(" { \"LOCAL\" { \"NAME\" \"socket.sock\" } } OPEN\n");
1081: printf(" { \"/dev/ttyS1\" { \"STTY\" { \"9600,8,N,1\" "
1082: "\"NO ICANON\" \"IGNBRK\" } }\n");
1083:
1084: return;
1085: }
1086: else if ((*s_etat_processus).test_instruction == 'Y')
1087: {
1088: (*s_etat_processus).nombre_arguments = -1;
1089: return;
1090: }
1091:
1092: if (test_cfsf(s_etat_processus, 31) == d_vrai)
1093: {
1094: if (empilement_pile_last(s_etat_processus, 1) == d_erreur)
1095: {
1096: return;
1097: }
1098: }
1099:
1100: if (depilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
1101: &s_objet_argument) == d_erreur)
1102: {
1103: (*s_etat_processus).erreur_execution = d_ex_manque_argument;
1104: return;
1105: }
1106:
1107: if ((*s_objet_argument).type == LST)
1108: {
1109: l_element_courant = (struct_liste_chainee *) (*s_objet_argument).objet;
1110:
1111: if (l_element_courant == NULL)
1112: {
1113: liberation(s_etat_processus, s_objet_argument);
1114:
1115: (*s_etat_processus).erreur_execution =
1116: d_ex_erreur_parametre_fichier;
1117: return;
1118: }
1119:
1120: format = ' ';
1121: type_domaine = ' ';
1122: type_ouverture = ' ';
1123: protection = ' ';
1124: type_acces = ' ';
1125: type_socket = ' ';
1126: nom = NULL;
1127: position_clef = 0;
1128: port = 0;
1129: type_arguments = ' ';
1130: nombre_maximal_connexions = 0;
1131: hote = NULL;
1132: type_adresse = ' ';
1133: protocole[0] = d_code_fin_chaine;
1134: protocole_socket = NULL;
1135: presence_port = d_faux;
1136: peripherique = NULL;
1137: priorite = 0;
1138: buffer_emission = 0;
1139: buffer_reception = 0;
1140: timeout_emission = 0;
1141: timeout_reception = 0;
1142: drapeau = -1;
1143: s_parametres_tty = NULL;
1144:
1145: for(i = 0; i < 12; options[i++] = 'N');
1146:
1147: while(l_element_courant != NULL)
1148: {
1149: if ((*(*l_element_courant).donnee).type == CHN)
1150: {
1151: if ((argument_majuscule = conversion_majuscule((unsigned char *)
1152: (*(*l_element_courant).donnee).objet)) == NULL)
1153: {
1154: (*s_etat_processus).erreur_systeme =
1155: d_es_allocation_memoire;
1156: return;
1157: }
1158:
1159: if (strcmp(argument_majuscule, "NEW") == 0)
1160: {
1161: if (type_ouverture != ' ')
1162: {
1163: liberation(s_etat_processus, s_objet_argument);
1164: free(argument_majuscule);
1165:
1166: (*s_etat_processus).erreur_execution =
1167: d_ex_erreur_parametre_fichier;
1168: return;
1169: }
1170:
1171: if (type_arguments == ' ')
1172: {
1173: type_arguments = 'F';
1174: }
1175: else if (type_arguments == 'S')
1176: {
1177: liberation(s_etat_processus, s_objet_argument);
1178: free(argument_majuscule);
1179:
1180: (*s_etat_processus).erreur_execution =
1181: d_ex_erreur_parametre_fichier;
1182: return;
1183: }
1184:
1185: type_ouverture = 'N';
1186: }
1187: else if (strcmp(argument_majuscule, "REPLACE") == 0)
1188: {
1189: if (type_ouverture != ' ')
1190: {
1191: liberation(s_etat_processus, s_objet_argument);
1192: free(argument_majuscule);
1193:
1194: (*s_etat_processus).erreur_execution =
1195: d_ex_erreur_parametre_fichier;
1196: return;
1197: }
1198:
1199: if (type_arguments == ' ')
1200: {
1201: type_arguments = 'F';
1202: }
1203: else if (type_arguments == 'S')
1204: {
1205: liberation(s_etat_processus, s_objet_argument);
1206: free(argument_majuscule);
1207:
1208: (*s_etat_processus).erreur_execution =
1209: d_ex_erreur_parametre_fichier;
1210: return;
1211: }
1212:
1213: type_ouverture = 'R';
1214: }
1215: else if (strcmp(argument_majuscule, "OLD") == 0)
1216: {
1217: if (type_ouverture != ' ')
1218: {
1219: liberation(s_etat_processus, s_objet_argument);
1220: free(argument_majuscule);
1221:
1222: (*s_etat_processus).erreur_execution =
1223: d_ex_erreur_parametre_fichier;
1224: return;
1225: }
1226:
1227: if (type_arguments == ' ')
1228: {
1229: type_arguments = 'F';
1230: }
1231: else if (type_arguments == 'S')
1232: {
1233: liberation(s_etat_processus, s_objet_argument);
1234: free(argument_majuscule);
1235:
1236: (*s_etat_processus).erreur_execution =
1237: d_ex_erreur_parametre_fichier;
1238: return;
1239: }
1240:
1241: type_ouverture = 'O';
1242: }
1243: else if (strcmp(argument_majuscule, "UNKNOWN") == 0)
1244: {
1245: if (type_ouverture != ' ')
1246: {
1247: liberation(s_etat_processus, s_objet_argument);
1248: free(argument_majuscule);
1249:
1250: (*s_etat_processus).erreur_execution =
1251: d_ex_erreur_parametre_fichier;
1252: return;
1253: }
1254:
1255: if (type_arguments == ' ')
1256: {
1257: type_arguments = 'F';
1258: }
1259: else if (type_arguments == 'S')
1260: {
1261: liberation(s_etat_processus, s_objet_argument);
1262: free(argument_majuscule);
1263:
1264: (*s_etat_processus).erreur_execution =
1265: d_ex_erreur_parametre_fichier;
1266: return;
1267: }
1268:
1269: type_ouverture = 'U';
1270: }
1271: else if (strcmp(argument_majuscule, "SCRATCH") == 0)
1272: {
1273: if (type_ouverture != ' ')
1274: {
1275: liberation(s_etat_processus, s_objet_argument);
1276: free(argument_majuscule);
1277:
1278: (*s_etat_processus).erreur_execution =
1279: d_ex_erreur_parametre_fichier;
1280: return;
1281: }
1282:
1283: if (type_arguments == ' ')
1284: {
1285: type_arguments = 'F';
1286: }
1287: else if (type_arguments == 'S')
1288: {
1289: liberation(s_etat_processus, s_objet_argument);
1290: free(argument_majuscule);
1291:
1292: (*s_etat_processus).erreur_execution =
1293: d_ex_erreur_parametre_fichier;
1294: return;
1295: }
1296:
1297: type_ouverture = 'S';
1298: }
1299: else if (strcmp(argument_majuscule, "SEQUENTIAL") == 0)
1300: {
1301: if (type_acces != ' ')
1302: {
1303: liberation(s_etat_processus, s_objet_argument);
1304: free(argument_majuscule);
1305:
1306: (*s_etat_processus).erreur_execution =
1307: d_ex_erreur_parametre_fichier;
1308: return;
1309: }
1310:
1311: if (type_arguments == ' ')
1312: {
1313: type_arguments = 'F';
1314: }
1315: else if (type_arguments == 'S')
1316: {
1317: liberation(s_etat_processus, s_objet_argument);
1318: free(argument_majuscule);
1319:
1320: (*s_etat_processus).erreur_execution =
1321: d_ex_erreur_parametre_fichier;
1322: return;
1323: }
1324:
1325: type_acces = 'S';
1326: }
1327: else if (strcmp(argument_majuscule, "DIRECT") == 0)
1328: {
1329: if (type_acces != ' ')
1330: {
1331: liberation(s_etat_processus, s_objet_argument);
1332: free(argument_majuscule);
1333:
1334: (*s_etat_processus).erreur_execution =
1335: d_ex_erreur_parametre_fichier;
1336: return;
1337: }
1338:
1339: if (type_arguments == ' ')
1340: {
1341: type_arguments = 'F';
1342: }
1343: else if (type_arguments == 'S')
1344: {
1345: liberation(s_etat_processus, s_objet_argument);
1346: free(argument_majuscule);
1347:
1348: (*s_etat_processus).erreur_execution =
1349: d_ex_erreur_parametre_fichier;
1350: return;
1351: }
1352:
1353: type_acces = 'D';
1354: }
1355: else if (strcmp(argument_majuscule, "KEYED") == 0)
1356: {
1357: if (type_acces != ' ')
1358: {
1359: liberation(s_etat_processus, s_objet_argument);
1360: free(argument_majuscule);
1361:
1362: (*s_etat_processus).erreur_execution =
1363: d_ex_erreur_parametre_fichier;
1364: return;
1365: }
1366:
1367: if (type_arguments == ' ')
1368: {
1369: type_arguments = 'F';
1370: }
1371: else if (type_arguments == 'S')
1372: {
1373: liberation(s_etat_processus, s_objet_argument);
1374: free(argument_majuscule);
1375:
1376: (*s_etat_processus).erreur_execution =
1377: d_ex_erreur_parametre_fichier;
1378: return;
1379: }
1380:
1381: type_acces = 'I';
1382: }
1383: else if (strcmp(argument_majuscule, "READONLY") == 0)
1384: {
1385: if (protection != ' ')
1386: {
1387: liberation(s_etat_processus, s_objet_argument);
1388: free(argument_majuscule);
1389:
1390: (*s_etat_processus).erreur_execution =
1391: d_ex_erreur_parametre_fichier;
1392: return;
1393: }
1394:
1395: protection = 'R';
1396: }
1397: else if (strcmp(argument_majuscule, "WRITEONLY") == 0)
1398: {
1399: if (protection != ' ')
1400: {
1401: liberation(s_etat_processus, s_objet_argument);
1402: free(argument_majuscule);
1403:
1404: (*s_etat_processus).erreur_execution =
1405: d_ex_erreur_parametre_fichier;
1406: return;
1407: }
1408:
1409: protection = 'W';
1410: }
1411: else if (strcmp(argument_majuscule, "READWRITE") == 0)
1412: {
1413: if (protection != ' ')
1414: {
1415: liberation(s_etat_processus, s_objet_argument);
1416: free(argument_majuscule);
1417:
1418: (*s_etat_processus).erreur_execution =
1419: d_ex_erreur_parametre_fichier;
1420: return;
1421: }
1422:
1423: protection = 'N';
1424: }
1425: else if (strcmp(argument_majuscule, "FORMATTED") == 0)
1426: {
1427: if (format != ' ')
1428: {
1429: liberation(s_etat_processus, s_objet_argument);
1430: free(argument_majuscule);
1431:
1432: (*s_etat_processus).erreur_execution =
1433: d_ex_erreur_parametre_fichier;
1434: return;
1435: }
1436:
1437: format = 'N';
1438: }
1439: else if (strcmp(argument_majuscule, "UNFORMATTED") == 0)
1440: {
1441: if (format != ' ')
1442: {
1443: liberation(s_etat_processus, s_objet_argument);
1444: free(argument_majuscule);
1445:
1446: (*s_etat_processus).erreur_execution =
1447: d_ex_erreur_parametre_fichier;
1448: return;
1449: }
1450:
1451: format = 'Y';
1452: }
1453: else if (strcmp(argument_majuscule, "FLOW") == 0)
1454: {
1455: if (format != ' ')
1456: {
1457: liberation(s_etat_processus, s_objet_argument);
1458: free(argument_majuscule);
1459:
1460: (*s_etat_processus).erreur_execution =
1461: d_ex_erreur_parametre_fichier;
1462: return;
1463: }
1464:
1465: format = 'F';
1466: }
1467: else if (strcmp(argument_majuscule, "STREAM") == 0)
1468: {
1469: if (type_socket != ' ')
1470: {
1471: liberation(s_etat_processus, s_objet_argument);
1472: free(argument_majuscule);
1473:
1474: (*s_etat_processus).erreur_execution =
1475: d_ex_erreur_parametre_fichier;
1476: return;
1477: }
1478:
1479: if (type_arguments == ' ')
1480: {
1481: type_arguments = 'S';
1482: }
1483: else if (type_arguments == 'F')
1484: {
1485: liberation(s_etat_processus, s_objet_argument);
1486: free(argument_majuscule);
1487:
1488: (*s_etat_processus).erreur_execution =
1489: d_ex_erreur_parametre_fichier;
1490: return;
1491: }
1492:
1493: type_socket = 'S';
1494: }
1495: else if (strcmp(argument_majuscule, "DATAGRAM") == 0)
1496: {
1497: if (type_socket != ' ')
1498: {
1499: liberation(s_etat_processus, s_objet_argument);
1500: free(argument_majuscule);
1501:
1502: (*s_etat_processus).erreur_execution =
1503: d_ex_erreur_parametre_fichier;
1504: return;
1505: }
1506:
1507: type_socket = 'D';
1508: }
1509: else if (strcmp(argument_majuscule, "SEQUENTIAL DATAGRAM") == 0)
1510: {
1511: if (type_socket != ' ')
1512: {
1513: liberation(s_etat_processus, s_objet_argument);
1514: free(argument_majuscule);
1515:
1516: (*s_etat_processus).erreur_execution =
1517: d_ex_erreur_parametre_fichier;
1518: return;
1519: }
1520:
1521: if (type_arguments == ' ')
1522: {
1523: type_arguments = 'S';
1524: }
1525: else if (type_arguments == 'F')
1526: {
1527: liberation(s_etat_processus, s_objet_argument);
1528: free(argument_majuscule);
1529:
1530: (*s_etat_processus).erreur_execution =
1531: d_ex_erreur_parametre_fichier;
1532: return;
1533: }
1534:
1535: type_socket = 'Q';
1536: }
1537: else if (strcmp(argument_majuscule, "RAW") == 0)
1538: {
1539: if (type_socket != ' ')
1540: {
1541: liberation(s_etat_processus, s_objet_argument);
1542: free(argument_majuscule);
1543:
1544: (*s_etat_processus).erreur_execution =
1545: d_ex_erreur_parametre_fichier;
1546: return;
1547: }
1548:
1549: if (type_arguments == ' ')
1550: {
1551: type_arguments = 'S';
1552: }
1553: else if (type_arguments == 'F')
1554: {
1555: liberation(s_etat_processus, s_objet_argument);
1556: free(argument_majuscule);
1557:
1558: (*s_etat_processus).erreur_execution =
1559: d_ex_erreur_parametre_fichier;
1560: return;
1561: }
1562:
1563: type_socket = 'R';
1564: }
1565: else if (strcmp(argument_majuscule, "ROBUST DATAGRAM") == 0)
1566: {
1567: if (type_socket != ' ')
1568: {
1569: liberation(s_etat_processus, s_objet_argument);
1570: free(argument_majuscule);
1571:
1572: (*s_etat_processus).erreur_execution =
1573: d_ex_erreur_parametre_fichier;
1574: return;
1575: }
1576:
1577: if (type_arguments == ' ')
1578: {
1579: type_arguments = 'S';
1580: }
1581: else if (type_arguments == 'F')
1582: {
1583: liberation(s_etat_processus, s_objet_argument);
1584: free(argument_majuscule);
1585:
1586: (*s_etat_processus).erreur_execution =
1587: d_ex_erreur_parametre_fichier;
1588: return;
1589: }
1590:
1591: type_socket = 'M';
1592: }
1593: else if (strcmp(argument_majuscule, "LOCAL") == 0)
1594: {
1595: if (type_domaine != ' ')
1596: {
1597: liberation(s_etat_processus, s_objet_argument);
1598: free(argument_majuscule);
1599:
1600: (*s_etat_processus).erreur_execution =
1601: d_ex_erreur_parametre_fichier;
1602: return;
1603: }
1604:
1605: if (type_arguments == ' ')
1606: {
1607: type_arguments = 'S';
1608: }
1609: else if (type_arguments == 'F')
1610: {
1611: liberation(s_etat_processus, s_objet_argument);
1612: free(argument_majuscule);
1613:
1614: (*s_etat_processus).erreur_execution =
1615: d_ex_erreur_parametre_fichier;
1616: return;
1617: }
1618:
1619: type_domaine = 'L';
1620: }
1621: else if (strcmp(argument_majuscule, "FOREIGN") == 0)
1622: {
1623: if (type_domaine != ' ')
1624: {
1625: liberation(s_etat_processus, s_objet_argument);
1626: free(argument_majuscule);
1627:
1628: (*s_etat_processus).erreur_execution =
1629: d_ex_erreur_parametre_fichier;
1630: return;
1631: }
1632:
1633: if (type_arguments == ' ')
1634: {
1635: type_arguments = 'S';
1636: }
1637: else if (type_arguments == 'F')
1638: {
1639: liberation(s_etat_processus, s_objet_argument);
1640: free(argument_majuscule);
1641:
1642: (*s_etat_processus).erreur_execution =
1643: d_ex_erreur_parametre_fichier;
1644: return;
1645: }
1646:
1647: type_domaine = 'F';
1648: }
1649: else if (strcmp(argument_majuscule, "IPV4") == 0)
1650: {
1651: if (strcmp(protocole, "") != 0)
1652: {
1653: liberation(s_etat_processus, s_objet_argument);
1654: free(argument_majuscule);
1655:
1656: (*s_etat_processus).erreur_execution =
1657: d_ex_erreur_parametre_fichier;
1658: return;
1659: }
1660:
1661: if (type_arguments == ' ')
1662: {
1663: type_arguments = 'S';
1664: }
1665: else if (type_arguments == 'F')
1666: {
1667: liberation(s_etat_processus, s_objet_argument);
1668: free(argument_majuscule);
1669:
1670: (*s_etat_processus).erreur_execution =
1671: d_ex_erreur_parametre_fichier;
1672: return;
1673: }
1674:
1675: strcpy(protocole, "IPV4");
1676: }
1677: else if (strcmp(argument_majuscule, "IPV6") == 0)
1678: {
1679: if (strcmp(protocole, "") != 0)
1680: {
1681: liberation(s_etat_processus, s_objet_argument);
1682: free(argument_majuscule);
1683:
1684: (*s_etat_processus).erreur_execution =
1685: d_ex_erreur_parametre_fichier;
1686: return;
1687: }
1688:
1689: if (type_arguments == ' ')
1690: {
1691: type_arguments = 'S';
1692: }
1693: else if (type_arguments == 'F')
1694: {
1695: liberation(s_etat_processus, s_objet_argument);
1696: free(argument_majuscule);
1697:
1698: (*s_etat_processus).erreur_execution =
1699: d_ex_erreur_parametre_fichier;
1700: return;
1701: }
1702:
1703: strcpy(protocole, "IPV6");
1704: }
1705: else if (strcmp(argument_majuscule, "UNIX") == 0)
1706: {
1707: if (strcmp(protocole, "") != 0)
1708: {
1709: liberation(s_etat_processus, s_objet_argument);
1710: free(argument_majuscule);
1711:
1712: (*s_etat_processus).erreur_execution =
1713: d_ex_erreur_parametre_fichier;
1714: return;
1715: }
1716:
1717: if (type_arguments == ' ')
1718: {
1719: type_arguments = 'S';
1720: }
1721: else if (type_arguments == 'F')
1722: {
1723: liberation(s_etat_processus, s_objet_argument);
1724: free(argument_majuscule);
1725:
1726: (*s_etat_processus).erreur_execution =
1727: d_ex_erreur_parametre_fichier;
1728: return;
1729: }
1730:
1731: strcpy(protocole, "UNIX");
1732: }
1733: else
1734: {
1735: liberation(s_etat_processus, s_objet_argument);
1736: free(argument_majuscule);
1737:
1738: (*s_etat_processus).erreur_execution =
1739: d_ex_erreur_parametre_fichier;
1740: return;
1741: }
1742:
1743: free(argument_majuscule);
1744: }
1745: else if ((*(*l_element_courant).donnee).type == LST)
1746: {
1747: l_element_courant_sous_objet =
1748: (*(*l_element_courant).donnee).objet;
1749:
1750: nombre_elements = 0;
1751: while(l_element_courant_sous_objet != NULL)
1752: {
1753: nombre_elements++;
1754: l_element_courant_sous_objet =
1755: (*l_element_courant_sous_objet).suivant;
1756: }
1757:
1758: l_element_courant_sous_objet =
1759: (*(*l_element_courant).donnee).objet;
1760:
1761: if (nombre_elements == 2)
1762: {
1763: if ((*(*l_element_courant_sous_objet).donnee).type == CHN)
1764: {
1765: if ((argument_majuscule = conversion_majuscule(
1766: (unsigned char *)
1767: (*(*l_element_courant_sous_objet)
1768: .donnee).objet)) == NULL)
1769: {
1770: (*s_etat_processus).erreur_systeme =
1771: d_es_allocation_memoire;
1772: return;
1773: }
1774:
1775: l_element_courant_sous_objet =
1776: (*l_element_courant_sous_objet).suivant;
1777:
1778: if (strcmp(argument_majuscule, "NAME") == 0)
1779: {
1780: if ((*(*l_element_courant_sous_objet).donnee).type
1781: == CHN)
1782: {
1783: if (nom != NULL)
1784: {
1785: liberation(s_etat_processus,
1786: s_objet_argument);
1787: free(argument_majuscule);
1788:
1789: (*s_etat_processus).erreur_execution =
1790: d_ex_erreur_parametre_fichier;
1791: return;
1792: }
1793:
1794: nom = (unsigned char *)
1795: (*(*l_element_courant_sous_objet)
1796: .donnee).objet;
1797: }
1798: else
1799: {
1800: liberation(s_etat_processus, s_objet_argument);
1801: free(argument_majuscule);
1802:
1803: (*s_etat_processus).erreur_execution =
1804: d_ex_erreur_parametre_fichier;
1805: return;
1806: }
1807: }
1808: else if (strcmp(argument_majuscule, "OPTION") == 0)
1809: {
1810: if ((*(*l_element_courant_sous_objet).donnee).type
1811: == CHN)
1812: {
1813: if (type_arguments == ' ')
1814: {
1815: type_arguments = 'S';
1816: }
1817: else if (type_arguments == 'F')
1818: {
1819: liberation(s_etat_processus,
1820: s_objet_argument);
1821: free(argument_majuscule);
1822:
1823: (*s_etat_processus).erreur_execution =
1824: d_ex_erreur_parametre_fichier;
1825: return;
1826: }
1827: }
1828:
1829: free(argument_majuscule);
1830:
1831: if ((argument_majuscule = conversion_majuscule(
1832: (unsigned char *)
1833: (*(*l_element_courant_sous_objet)
1834: .donnee).objet)) == NULL)
1835: {
1836: (*s_etat_processus).erreur_systeme =
1837: d_es_allocation_memoire;
1838: return;
1839: }
1840:
1841: if (strcmp(argument_majuscule, "BROADCAST") == 0)
1842: {
1843: if (options[d_BROADCAST] == 'Y')
1844: {
1845: liberation(s_etat_processus,
1846: s_objet_argument);
1847: free(argument_majuscule);
1848:
1849: (*s_etat_processus).erreur_execution =
1850: d_ex_erreur_parametre_fichier;
1851: return;
1852: }
1853:
1854: options[d_BROADCAST] = 'Y';
1855: }
1856: else if (strcmp(argument_majuscule, "DO NOT ROUTE")
1857: == 0)
1858: {
1859: if (options[d_DONT_ROUTE] == 'Y')
1860: {
1861: liberation(s_etat_processus,
1862: s_objet_argument);
1863: free(argument_majuscule);
1864:
1865: (*s_etat_processus).erreur_execution =
1866: d_ex_erreur_parametre_fichier;
1867: return;
1868: }
1869:
1870: options[d_DONT_ROUTE] = 'Y';
1871: }
1872: else if (strcmp(argument_majuscule, "KEEP ALIVE")
1873: == 0)
1874: {
1875: if (options[d_KEEP_ALIVE] == 'Y')
1876: {
1877: liberation(s_etat_processus,
1878: s_objet_argument);
1879: free(argument_majuscule);
1880:
1881: (*s_etat_processus).erreur_execution =
1882: d_ex_erreur_parametre_fichier;
1883: return;
1884: }
1885:
1886: options[d_KEEP_ALIVE] = 'Y';
1887: }
1888: else if (strcmp(argument_majuscule, "REUSE ADDRESS")
1889: == 0)
1890: {
1891: if (options[d_REUSE_ADDRESS] == 'Y')
1892: {
1893: liberation(s_etat_processus,
1894: s_objet_argument);
1895: free(argument_majuscule);
1896:
1897: (*s_etat_processus).erreur_execution =
1898: d_ex_erreur_parametre_fichier;
1899: return;
1900: }
1901:
1902: options[d_REUSE_ADDRESS] = 'Y';
1903: }
1904: else
1905: {
1906: liberation(s_etat_processus,
1907: s_objet_argument);
1908: free(argument_majuscule);
1909:
1910: (*s_etat_processus).erreur_execution =
1911: d_ex_erreur_parametre_fichier;
1912: return;
1913: }
1914: }
1915: else if (strcmp(argument_majuscule, "HOST") == 0)
1916: {
1917: if ((*(*l_element_courant_sous_objet).donnee).type
1918: == CHN)
1919: {
1920: if (type_arguments == ' ')
1921: {
1922: type_arguments = 'S';
1923: }
1924: else if (type_arguments == 'F')
1925: {
1926: liberation(s_etat_processus,
1927: s_objet_argument);
1928: free(argument_majuscule);
1929:
1930: (*s_etat_processus).erreur_execution =
1931: d_ex_erreur_parametre_fichier;
1932: return;
1933: }
1934:
1935: if (hote != NULL)
1936: {
1937: liberation(s_etat_processus,
1938: s_objet_argument);
1939: free(argument_majuscule);
1940:
1941: (*s_etat_processus).erreur_execution =
1942: d_ex_erreur_parametre_fichier;
1943: return;
1944: }
1945:
1946: hote = (unsigned char *)
1947: (*(*l_element_courant_sous_objet)
1948: .donnee).objet;
1949: }
1950: else
1951: {
1952: liberation(s_etat_processus,
1953: s_objet_argument);
1954: free(argument_majuscule);
1955:
1956: (*s_etat_processus).erreur_execution =
1957: d_ex_erreur_parametre_fichier;
1958: return;
1959: }
1960: }
1961: else if (strcmp(argument_majuscule, "PROTOCOL") == 0)
1962: {
1963: if ((*(*l_element_courant_sous_objet).donnee).type
1964: == CHN)
1965: {
1966: if (type_arguments == ' ')
1967: {
1968: type_arguments = 'S';
1969: }
1970: else if (type_arguments == 'F')
1971: {
1972: liberation(s_etat_processus,
1973: s_objet_argument);
1974: free(argument_majuscule);
1975:
1976: (*s_etat_processus).erreur_execution =
1977: d_ex_erreur_parametre_fichier;
1978: return;
1979: }
1980:
1981: if (protocole_socket != NULL)
1982: {
1983: liberation(s_etat_processus,
1984: s_objet_argument);
1985: free(argument_majuscule);
1986:
1987: (*s_etat_processus).erreur_execution =
1988: d_ex_erreur_parametre_fichier;
1989: return;
1990: }
1991:
1992: protocole_socket = (unsigned char *)
1993: (*(*l_element_courant_sous_objet)
1994: .donnee).objet;
1995:
1996: for(i = 0; i < strlen(protocole_socket); i++)
1997: {
1998: if ((protocole_socket[i] >= 'a') &&
1999: (protocole_socket[i] <= 'z'))
2000: {
2001: protocole_socket[i] -= 'a' - 'A';
2002: }
2003: }
2004: }
2005: else
2006: {
2007: liberation(s_etat_processus, s_objet_argument);
2008: free(argument_majuscule);
2009:
2010: (*s_etat_processus).erreur_execution =
2011: d_ex_erreur_parametre_fichier;
2012: return;
2013: }
2014: }
2015: else if (strcmp(argument_majuscule, "KEY") == 0)
2016: {
2017: if ((*(*l_element_courant_sous_objet).donnee).type
2018: == INT)
2019: {
2020: if (type_arguments == ' ')
2021: {
2022: type_arguments = 'F';
2023: }
2024: else if (type_arguments == 'S')
2025: {
2026: liberation(s_etat_processus,
2027: s_objet_argument);
2028: free(argument_majuscule);
2029:
2030: (*s_etat_processus).erreur_execution =
2031: d_ex_erreur_parametre_fichier;
2032: return;
2033: }
2034:
2035: if (position_clef != 0)
2036: {
2037: liberation(s_etat_processus,
2038: s_objet_argument);
2039:
2040: (*s_etat_processus).erreur_execution =
2041: d_ex_erreur_parametre_fichier;
2042: return;
2043: }
2044: else
2045: {
2046: if ((position_clef = (*((integer8 *)
2047: (*(*l_element_courant_sous_objet)
2048: .donnee).objet))) <= 0)
2049: {
2050: liberation(s_etat_processus,
2051: s_objet_argument);
2052:
2053: (*s_etat_processus).erreur_execution =
2054: d_ex_erreur_parametre_fichier;
2055: return;
2056: }
2057: }
2058: }
2059: else
2060: {
2061: liberation(s_etat_processus, s_objet_argument);
2062: free(argument_majuscule);
2063:
2064: (*s_etat_processus).erreur_execution =
2065: d_ex_erreur_parametre_fichier;
2066: return;
2067: }
2068: }
2069: else if (strcmp(argument_majuscule, "PORT") == 0)
2070: {
2071: if ((*(*l_element_courant_sous_objet)
2072: .donnee).type == INT)
2073: {
2074: if (type_arguments == ' ')
2075: {
2076: type_arguments = 'S';
2077: }
2078: else if (type_arguments == 'F')
2079: {
2080: liberation(s_etat_processus,
2081: s_objet_argument);
2082: free(argument_majuscule);
2083:
2084: (*s_etat_processus).erreur_execution =
2085: d_ex_erreur_parametre_fichier;
2086: return;
2087: }
2088:
2089: if (presence_port == d_vrai)
2090: {
2091: liberation(s_etat_processus,
2092: s_objet_argument);
2093:
2094: (*s_etat_processus).erreur_execution =
2095: d_ex_erreur_parametre_fichier;
2096: return;
2097: }
2098: else
2099: {
2100: presence_port = d_vrai;
2101:
2102: if ((port = (*((integer8 *)
2103: (*(*l_element_courant_sous_objet)
2104: .donnee).objet))) < 0)
2105: {
2106: liberation(s_etat_processus,
2107: s_objet_argument);
2108:
2109: (*s_etat_processus).erreur_execution =
2110: d_ex_erreur_parametre_fichier;
2111: return;
2112: }
2113:
2114: if (port > 65535)
2115: {
2116: liberation(s_etat_processus,
2117: s_objet_argument);
2118:
2119: (*s_etat_processus).erreur_execution =
2120: d_ex_erreur_parametre_fichier;
2121: return;
2122: }
2123: }
2124: }
2125: else
2126: {
2127: liberation(s_etat_processus, s_objet_argument);
2128: free(argument_majuscule);
2129:
2130: (*s_etat_processus).erreur_execution =
2131: d_ex_erreur_parametre_fichier;
2132: return;
2133: }
2134: }
2135: else if (strcmp(argument_majuscule, "LISTEN") == 0)
2136: {
2137: if ((*(*l_element_courant_sous_objet).donnee).type
2138: == INT)
2139: {
2140: if (type_arguments == ' ')
2141: {
2142: type_arguments = 'S';
2143: }
2144: else if (type_arguments == 'F')
2145: {
2146: liberation(s_etat_processus,
2147: s_objet_argument);
2148: free(argument_majuscule);
2149:
2150: (*s_etat_processus).erreur_execution =
2151: d_ex_erreur_parametre_fichier;
2152: return;
2153: }
2154:
2155: if (nombre_maximal_connexions != 0)
2156: {
2157: liberation(s_etat_processus,
2158: s_objet_argument);
2159:
2160: (*s_etat_processus).erreur_execution =
2161: d_ex_erreur_parametre_fichier;
2162: return;
2163: }
2164: else
2165: {
2166: if ((nombre_maximal_connexions =
2167: (*((integer8 *)
2168: (*(*l_element_courant_sous_objet)
2169: .donnee).objet))) <= 0)
2170: {
2171: liberation(s_etat_processus,
2172: s_objet_argument);
2173:
2174: (*s_etat_processus).erreur_execution =
2175: d_ex_erreur_parametre_fichier;
2176: return;
2177: }
2178: }
2179: }
2180: }
2181: else if (strcmp(argument_majuscule, "ADDRESS") == 0)
2182: {
2183: if ((*(*l_element_courant_sous_objet)
2184: .donnee).type == VIN)
2185: {
2186: if (type_arguments == ' ')
2187: {
2188: type_arguments = 'S';
2189: }
2190: else if (type_arguments == 'F')
2191: {
2192: liberation(s_etat_processus,
2193: s_objet_argument);
2194: free(argument_majuscule);
2195:
2196: (*s_etat_processus).erreur_execution =
2197: d_ex_erreur_parametre_fichier;
2198: return;
2199: }
2200:
2201: if (type_adresse != ' ')
2202: {
2203: liberation(s_etat_processus,
2204: s_objet_argument);
2205:
2206: (*s_etat_processus).erreur_execution =
2207: d_ex_erreur_parametre_fichier;
2208: return;
2209: }
2210:
2211: if ((*((struct_vecteur *)
2212: (*(*l_element_courant_sous_objet)
2213: .donnee).objet)).taille == 4)
2214: { // Adresse IPv4
2215: type_adresse = '4';
2216:
2217: for(i = 0; i < 4; i++)
2218: {
2219: adresse[i] = ((integer8 *)
2220: (*((struct_vecteur *) (*
2221: (*l_element_courant_sous_objet)
2222: .donnee).objet)).tableau)[i];
2223:
2224: if ((adresse[i] < 0) || (adresse[i] >
2225: 255))
2226: {
2227: liberation(s_etat_processus,
2228: s_objet_argument);
2229:
2230: (*s_etat_processus).erreur_execution
2231: = d_ex_erreur_parametre_fichier;
2232: return;
2233: }
2234: }
2235: }
2236: else if ((*((struct_vecteur *)
2237: (*(*l_element_courant_sous_objet)
2238: .donnee).objet)).taille == 16)
2239: { // Adresse IPv6
2240: type_adresse = '6';
2241:
2242: for(i = 0; i < 16; i++)
2243: {
2244: adresse[i] = ((integer8 *)
2245: (*((struct_vecteur *) (*
2246: (*l_element_courant_sous_objet)
2247: .donnee).objet)).tableau)[i];
2248:
2249: if ((adresse[i] < 0) || (adresse[i] >
2250: 255))
2251: {
2252: liberation(s_etat_processus,
2253: s_objet_argument);
2254:
2255: (*s_etat_processus).erreur_execution
2256: = d_ex_erreur_parametre_fichier;
2257: return;
2258: }
2259: }
2260: }
2261: else
2262: { // Adresse non supportée
2263: liberation(s_etat_processus,
2264: s_objet_argument);
2265:
2266: (*s_etat_processus).erreur_execution =
2267: d_ex_erreur_parametre_fichier;
2268: return;
2269: }
2270: }
2271: }
2272: else if (strcmp(argument_majuscule, "STTY") == 0)
2273: {
2274: if ((*(*l_element_courant_sous_objet)
2275: .donnee).type == LST)
2276: {
2277: if (type_arguments == ' ')
2278: {
2279: type_arguments = 'F';
2280: }
2281: else if (type_arguments == 'S')
2282: {
2283: liberation(s_etat_processus,
2284: s_objet_argument);
2285: free(argument_majuscule);
2286:
2287: (*s_etat_processus).erreur_execution =
2288: d_ex_erreur_parametre_fichier;
2289: return;
2290: }
2291:
2292: s_parametres_tty =
2293: (*l_element_courant_sous_objet).donnee;
2294: }
2295: }
2296: else
2297: {
2298: liberation(s_etat_processus, s_objet_argument);
2299: free(argument_majuscule);
2300:
2301: (*s_etat_processus).erreur_execution =
2302: d_ex_erreur_parametre_fichier;
2303: return;
2304: }
2305:
2306: free(argument_majuscule);
2307: }
2308: else
2309: {
2310: liberation(s_etat_processus, s_objet_argument);
2311: (*s_etat_processus).erreur_execution =
2312: d_ex_erreur_parametre_fichier;
2313:
2314: return;
2315: }
2316: }
2317: else if (nombre_elements == 3)
2318: {
2319: if ((*(*l_element_courant_sous_objet).donnee).type == CHN)
2320: {
2321: if ((argument_majuscule = conversion_majuscule(
2322: (unsigned char *)
2323: (*(*l_element_courant_sous_objet)
2324: .donnee).objet)) == NULL)
2325: {
2326: (*s_etat_processus).erreur_systeme =
2327: d_es_allocation_memoire;
2328: return;
2329: }
2330:
2331: if (strcmp(argument_majuscule, "OPTION") == 0)
2332: {
2333: if (type_arguments == ' ')
2334: {
2335: type_arguments = 'S';
2336: }
2337: else if (type_arguments == 'F')
2338: {
2339: liberation(s_etat_processus, s_objet_argument);
2340: free(argument_majuscule);
2341:
2342: (*s_etat_processus).erreur_execution =
2343: d_ex_erreur_parametre_fichier;
2344: return;
2345: }
2346:
2347: free(argument_majuscule);
2348:
2349: l_element_courant_sous_objet =
2350: (*l_element_courant_sous_objet).suivant;
2351:
2352: if ((*(*l_element_courant_sous_objet)
2353: .donnee).type != CHN)
2354: {
2355: liberation(s_etat_processus, s_objet_argument);
2356:
2357: (*s_etat_processus).erreur_execution =
2358: d_ex_erreur_parametre_fichier;
2359: return;
2360: }
2361:
2362: if ((argument_majuscule = conversion_majuscule(
2363: (unsigned char *)
2364: (*(*l_element_courant_sous_objet)
2365: .donnee).objet)) == NULL)
2366: {
2367: (*s_etat_processus).erreur_systeme =
2368: d_es_allocation_memoire;
2369: return;
2370: }
2371:
2372: l_element_courant_sous_objet =
2373: (*l_element_courant_sous_objet).suivant;
2374:
2375: if (strcmp(argument_majuscule, "BIND TO DEVICE")
2376: == 0)
2377: {
2378: if ((*(*l_element_courant_sous_objet)
2379: .donnee).type != CHN)
2380: {
2381: liberation(s_etat_processus,
2382: s_objet_argument);
2383: free(argument_majuscule);
2384:
2385: (*s_etat_processus).erreur_execution =
2386: d_ex_erreur_parametre_fichier;
2387: return;
2388: }
2389:
2390: if (options[d_BIND_TO_DEVICE] == 'Y')
2391: {
2392: liberation(s_etat_processus,
2393: s_objet_argument);
2394: free(argument_majuscule);
2395:
2396: (*s_etat_processus).erreur_execution =
2397: d_ex_erreur_parametre_fichier;
2398: return;
2399: }
2400:
2401: options[d_BIND_TO_DEVICE] = 'Y';
2402:
2403: peripherique = (unsigned char *)
2404: (*(*l_element_courant_sous_objet)
2405: .donnee).objet;
2406: }
2407: else if (strcmp(argument_majuscule, "PRIORITY")
2408: == 0)
2409: {
2410: if ((*(*l_element_courant_sous_objet)
2411: .donnee).type != INT)
2412: {
2413: liberation(s_etat_processus,
2414: s_objet_argument);
2415: free(argument_majuscule);
2416:
2417: (*s_etat_processus).erreur_execution =
2418: d_ex_erreur_parametre_fichier;
2419: return;
2420: }
2421:
2422: if (options[d_PRIORITY] == 'Y')
2423: {
2424: liberation(s_etat_processus,
2425: s_objet_argument);
2426: free(argument_majuscule);
2427:
2428: (*s_etat_processus).erreur_execution =
2429: d_ex_erreur_parametre_fichier;
2430: return;
2431: }
2432:
2433: options[d_PRIORITY] = 'Y';
2434:
2435: priorite = (int) (*((integer8 *)
2436: (*(*l_element_courant_sous_objet)
2437: .donnee).objet));
2438: }
2439: else if (strcmp(argument_majuscule,
2440: "RECEIVE BUFFER") == 0)
2441: {
2442: if ((*(*l_element_courant_sous_objet)
2443: .donnee).type != INT)
2444: {
2445: liberation(s_etat_processus,
2446: s_objet_argument);
2447: free(argument_majuscule);
2448:
2449: (*s_etat_processus).erreur_execution =
2450: d_ex_erreur_parametre_fichier;
2451: return;
2452: }
2453:
2454: if ((options[d_RECEIVE_BUFFER] == 'Y') ||
2455: (options[d_FORCE_RECEIVE_BUFFER]
2456: == 'Y'))
2457: {
2458: liberation(s_etat_processus,
2459: s_objet_argument);
2460: free(argument_majuscule);
2461:
2462: (*s_etat_processus).erreur_execution =
2463: d_ex_erreur_parametre_fichier;
2464: return;
2465: }
2466:
2467: options[d_RECEIVE_BUFFER] = 'Y';
2468:
2469: buffer_reception = (int) (*((integer8 *)
2470: (*(*l_element_courant_sous_objet)
2471: .donnee).objet));
2472: }
2473: else if (strcmp(argument_majuscule,
2474: "FORCE RECEIVE BUFFER") == 0)
2475: {
2476: if ((*(*l_element_courant_sous_objet)
2477: .donnee).type != INT)
2478: {
2479: liberation(s_etat_processus,
2480: s_objet_argument);
2481: free(argument_majuscule);
2482:
2483: (*s_etat_processus).erreur_execution =
2484: d_ex_erreur_parametre_fichier;
2485: return;
2486: }
2487:
2488: if ((options[d_RECEIVE_BUFFER] == 'Y') ||
2489: (options[d_FORCE_RECEIVE_BUFFER]
2490: == 'Y'))
2491: {
2492: liberation(s_etat_processus,
2493: s_objet_argument);
2494: free(argument_majuscule);
2495:
2496: (*s_etat_processus).erreur_execution =
2497: d_ex_erreur_parametre_fichier;
2498: return;
2499: }
2500:
2501: options[d_FORCE_RECEIVE_BUFFER] = 'Y';
2502:
2503: buffer_reception = (int) (*((integer8 *)
2504: (*(*l_element_courant_sous_objet)
2505: .donnee).objet));
2506: }
2507: else if (strcmp(argument_majuscule,
2508: "SEND BUFFER") == 0)
2509: {
2510: if ((*(*l_element_courant_sous_objet)
2511: .donnee).type != INT)
2512: {
2513: liberation(s_etat_processus,
2514: s_objet_argument);
2515: free(argument_majuscule);
2516:
2517: (*s_etat_processus).erreur_execution =
2518: d_ex_erreur_parametre_fichier;
2519: return;
2520: }
2521:
2522: if ((options[d_SEND_BUFFER] == 'Y') ||
2523: (options[d_FORCE_SEND_BUFFER] == 'Y'))
2524: {
2525: liberation(s_etat_processus,
2526: s_objet_argument);
2527: free(argument_majuscule);
2528:
2529: (*s_etat_processus).erreur_execution =
2530: d_ex_erreur_parametre_fichier;
2531: return;
2532: }
2533:
2534: options[d_SEND_BUFFER] = 'Y';
2535:
2536: buffer_emission = (int) (*((integer8 *)
2537: (*(*l_element_courant_sous_objet)
2538: .donnee).objet));
2539: }
2540: else if (strcmp(argument_majuscule,
2541: "FORCE SEND BUFFER") == 0)
2542: {
2543: if ((*(*l_element_courant_sous_objet)
2544: .donnee).type != INT)
2545: {
2546: liberation(s_etat_processus,
2547: s_objet_argument);
2548: free(argument_majuscule);
2549:
2550: (*s_etat_processus).erreur_execution =
2551: d_ex_erreur_parametre_fichier;
2552: return;
2553: }
2554:
2555: if ((options[d_SEND_BUFFER] == 'Y') ||
2556: (options[d_FORCE_SEND_BUFFER] == 'Y'))
2557: {
2558: liberation(s_etat_processus,
2559: s_objet_argument);
2560: free(argument_majuscule);
2561:
2562: (*s_etat_processus).erreur_execution =
2563: d_ex_erreur_parametre_fichier;
2564: return;
2565: }
2566:
2567: options[d_FORCE_SEND_BUFFER] = 'Y';
2568:
2569: buffer_emission = (int) (*((integer8 *)
2570: (*(*l_element_courant_sous_objet)
2571: .donnee).objet));
2572: }
2573: else if (strcmp(argument_majuscule,
2574: "RECEIVING TIMEOUT") == 0)
2575: {
2576: if ((*(*l_element_courant_sous_objet)
2577: .donnee).type != INT)
2578: {
2579: liberation(s_etat_processus,
2580: s_objet_argument);
2581: free(argument_majuscule);
2582:
2583: (*s_etat_processus).erreur_execution =
2584: d_ex_erreur_parametre_fichier;
2585: return;
2586: }
2587:
2588: if (options[d_RECEIVING_TIMEOUT] == 'Y')
2589: {
2590: liberation(s_etat_processus,
2591: s_objet_argument);
2592: free(argument_majuscule);
2593:
2594: (*s_etat_processus).erreur_execution =
2595: d_ex_erreur_parametre_fichier;
2596: return;
2597: }
2598:
2599: options[d_RECEIVING_TIMEOUT] = 'Y';
2600:
2601: timeout_reception = (int) (*((integer8 *)
2602: (*(*l_element_courant_sous_objet)
2603: .donnee).objet));
2604: }
2605: else if (strcmp(argument_majuscule,
2606: "SENDING TIMEOUT") == 0)
2607: {
2608: if ((*(*l_element_courant_sous_objet)
2609: .donnee).type != INT)
2610: {
2611: liberation(s_etat_processus,
2612: s_objet_argument);
2613: free(argument_majuscule);
2614:
2615: (*s_etat_processus).erreur_execution =
2616: d_ex_erreur_parametre_fichier;
2617: return;
2618: }
2619:
2620: if (options[d_SENDING_TIMEOUT] == 'Y')
2621: {
2622: liberation(s_etat_processus,
2623: s_objet_argument);
2624: free(argument_majuscule);
2625:
2626: (*s_etat_processus).erreur_execution =
2627: d_ex_erreur_parametre_fichier;
2628: return;
2629: }
2630:
2631: options[d_SENDING_TIMEOUT] = 'Y';
2632:
2633: timeout_emission = (int) (*((integer8 *)
2634: (*(*l_element_courant_sous_objet)
2635: .donnee).objet));
2636: }
2637: else
2638: {
2639: liberation(s_etat_processus, s_objet_argument);
2640: free(argument_majuscule);
2641:
2642: (*s_etat_processus).erreur_execution =
2643: d_ex_erreur_parametre_fichier;
2644: return;
2645: }
2646:
2647: free(argument_majuscule);
2648: }
2649: else
2650: {
2651: liberation(s_etat_processus, s_objet_argument);
2652: free(argument_majuscule);
2653:
2654: (*s_etat_processus).erreur_execution =
2655: d_ex_erreur_parametre_fichier;
2656: return;
2657: }
2658: }
2659: else
2660: {
2661: liberation(s_etat_processus, s_objet_argument);
2662: (*s_etat_processus).erreur_execution =
2663: d_ex_erreur_parametre_fichier;
2664:
2665: return;
2666: }
2667: }
2668: else
2669: {
2670: liberation(s_etat_processus, s_objet_argument);
2671: (*s_etat_processus).erreur_execution =
2672: d_ex_erreur_parametre_fichier;
2673:
2674: return;
2675: }
2676: }
2677: else
2678: {
2679: liberation(s_etat_processus, s_objet_argument);
2680:
2681: (*s_etat_processus).erreur_execution =
2682: d_ex_erreur_parametre_fichier;
2683: return;
2684: }
2685:
2686: l_element_courant = (*l_element_courant).suivant;
2687: }
2688:
2689: if (type_arguments == 'F')
2690: {
2691: /*
2692: * Traitement des fichiers
2693: */
2694:
2695: /*
2696: * Vérification de la cohérence et comportement par défaut
2697: */
2698:
2699: if (type_ouverture == ' ')
2700: {
2701: type_ouverture = 'U';
2702: }
2703:
2704: if (type_acces == ' ')
2705: {
2706: type_acces = 'S';
2707: }
2708:
2709: if (format == ' ')
2710: {
2711: format = 'N';
2712: }
2713:
2714: if (protection == ' ')
2715: {
2716: protection = 'N';
2717: }
2718:
2719: if ((type_ouverture == 'S') && (protection != 'N'))
2720: {
2721: liberation(s_etat_processus, s_objet_argument);
2722:
2723: (*s_etat_processus).erreur_execution =
2724: d_ex_erreur_parametre_fichier;
2725: return;
2726: }
2727:
2728: if ((type_ouverture != 'S') && (nom == NULL))
2729: {
2730: liberation(s_etat_processus, s_objet_argument);
2731:
2732: (*s_etat_processus).erreur_execution =
2733: d_ex_erreur_parametre_fichier;
2734: return;
2735: }
2736:
2737: if (((type_acces != 'I') && (position_clef != 0)) ||
2738: ((type_acces == 'I') && (position_clef == 0) &&
2739: ((type_ouverture == 'N') || (type_ouverture == 'R') ||
2740: (type_ouverture == 'S'))))
2741: {
2742: liberation(s_etat_processus, s_objet_argument);
2743:
2744: (*s_etat_processus).erreur_execution =
2745: d_ex_erreur_parametre_fichier;
2746: return;
2747: }
2748:
2749: if ((s_objet_resultat = allocation(s_etat_processus, FCH))
2750: == NULL)
2751: {
2752: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
2753: return;
2754: }
2755:
2756: if (nom == NULL)
2757: {
2758: if ((nom_temporaire = creation_nom_fichier(s_etat_processus,
2759: (*s_etat_processus).chemin_fichiers_temporaires))
2760: == NULL)
2761: {
2762: (*s_etat_processus).erreur_systeme = d_es_erreur_fichier;
2763: return;
2764: }
2765:
2766: if ((nom = malloc((strlen(nom_temporaire)
2767: + 5) * sizeof(unsigned char))) == NULL)
2768: {
2769: (*s_etat_processus).erreur_systeme =
2770: d_es_allocation_memoire;
2771: return;
2772: }
2773:
2774: sprintf(nom, "%s.rpl", nom_temporaire);
2775: free(nom_temporaire);
2776: }
2777: else
2778: {
2779: if ((nom = transliteration(s_etat_processus, nom,
2780: d_locale, "UTF-8")) == NULL)
2781: {
2782: liberation(s_etat_processus, s_objet_argument);
2783: liberation(s_etat_processus, s_objet_resultat);
2784: return;
2785: }
2786: }
2787:
2788: /*
2789: * Ouverture du fichier
2790: */
2791:
2792: (*((struct_fichier *) (*s_objet_resultat).objet))
2793: .nom = NULL;
2794: (*((struct_fichier *) (*s_objet_resultat).objet))
2795: .acces = type_acces;
2796: (*((struct_fichier *) (*s_objet_resultat).objet))
2797: .binaire = format;
2798: (*((struct_fichier *) (*s_objet_resultat).objet))
2799: .ouverture = type_ouverture;
2800: (*((struct_fichier *) (*s_objet_resultat).objet)).pid
2801: = getpid();
2802: (*((struct_fichier *) (*s_objet_resultat).objet)).tid
2803: = pthread_self();
2804:
2805: if (((*((struct_fichier *) (*s_objet_resultat).objet)).format =
2806: allocation(s_etat_processus, LST)) == NULL)
2807: {
2808: free(nom);
2809:
2810: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
2811: return;
2812: }
2813:
2814: (*(*((struct_fichier *) (*s_objet_resultat).objet))
2815: .format).objet = NULL;
2816:
2817: descripteur = NULL;
2818:
2819: switch(type_ouverture)
2820: {
2821: case 'N' :
2822: {
2823: erreur = caracteristiques_fichier(s_etat_processus,
2824: nom, &existence, &ouverture, &unite);
2825:
2826: if ((erreur != 0) || (unite != 0))
2827: {
2828: free(nom);
2829:
2830: liberation(s_etat_processus, s_objet_argument);
2831: liberation(s_etat_processus, s_objet_resultat);
2832:
2833: (*s_etat_processus).erreur_execution =
2834: d_ex_erreur_acces_fichier;
2835: return;
2836: }
2837:
2838: if (type_acces == 'S')
2839: {
2840: if ((descripteur = fopen(nom, "w+")) == NULL)
2841: {
2842: free(nom);
2843:
2844: liberation(s_etat_processus, s_objet_argument);
2845: liberation(s_etat_processus, s_objet_resultat);
2846:
2847: (*s_etat_processus).erreur_execution =
2848: d_ex_erreur_acces_fichier;
2849: return;
2850: }
2851: }
2852: else
2853: {
2854: // Si le fichier existe, on le supprime.
2855:
2856: if (unlink(nom) != 0)
2857: {
2858: free(nom);
2859:
2860: liberation(s_etat_processus, s_objet_argument);
2861: liberation(s_etat_processus, s_objet_resultat);
2862:
2863: (*s_etat_processus).erreur_execution =
2864: d_ex_erreur_acces_fichier;
2865: return;
2866: }
2867:
2868: sqlite = NULL;
2869:
2870: if (sqlite3_open_v2(nom, &sqlite,
2871: SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE,
2872: NULL) != SQLITE_OK)
2873: {
2874: if (sqlite != NULL)
2875: {
2876: sqlite3_close(sqlite);
2877: }
2878:
2879: free(nom);
2880:
2881: liberation(s_etat_processus, s_objet_argument);
2882: liberation(s_etat_processus, s_objet_resultat);
2883:
2884: (*s_etat_processus).erreur_execution =
2885: d_ex_erreur_acces_fichier;
2886: return;
2887: }
2888:
2889: if ((descripteur = fopen(nom, "a+")) == NULL)
2890: {
2891: free(nom);
2892:
2893: liberation(s_etat_processus, s_objet_argument);
2894: liberation(s_etat_processus, s_objet_resultat);
2895:
2896: (*s_etat_processus).erreur_execution =
2897: d_ex_erreur_acces_fichier;
2898: return;
2899: }
2900:
2901: if (type_acces == 'D')
2902: {
2903: if (initialisation_fichier_acces_direct(
2904: s_etat_processus, sqlite,
2905: (format == 'N') ? d_faux : d_vrai)
2906: != d_absence_erreur)
2907: {
2908: free(nom);
2909:
2910: liberation(s_etat_processus, s_objet_argument);
2911: liberation(s_etat_processus, s_objet_resultat);
2912:
2913: return;
2914: }
2915: }
2916: else
2917: {
2918: if (position_clef == 0)
2919: {
2920: free(nom);
2921:
2922: liberation(s_etat_processus, s_objet_argument);
2923: liberation(s_etat_processus, s_objet_resultat);
2924:
2925: (*s_etat_processus).erreur_execution =
2926: d_ex_erreur_parametre_fichier;
2927: return;
2928: }
2929:
2930: if (initialisation_fichier_acces_indexe(
2931: s_etat_processus, sqlite, position_clef,
2932: (format == 'N') ? d_faux : d_vrai)
2933: != d_absence_erreur)
2934: {
2935: free(nom);
2936:
2937: liberation(s_etat_processus, s_objet_argument);
2938: liberation(s_etat_processus, s_objet_resultat);
2939:
2940: return;
2941: }
2942: }
2943: }
2944:
2945: break;
2946: }
2947:
2948: case 'O' :
2949: {
2950: erreur = caracteristiques_fichier(s_etat_processus, nom,
2951: &existence, &ouverture, &unite);
2952:
2953: if ((erreur != d_absence_erreur) || (existence == d_faux))
2954: {
2955: free(nom);
2956:
2957: liberation(s_etat_processus, s_objet_argument);
2958: liberation(s_etat_processus, s_objet_resultat);
2959:
2960: (*s_etat_processus).erreur_execution =
2961: d_ex_erreur_acces_fichier;
2962: return;
2963: }
2964:
2965: if (type_acces == 'S')
2966: {
2967: if ((descripteur = fopen(nom, "r+")) == NULL)
2968: {
2969: free(nom);
2970:
2971: liberation(s_etat_processus, s_objet_argument);
2972: liberation(s_etat_processus, s_objet_resultat);
2973:
2974: (*s_etat_processus).erreur_execution =
2975: d_ex_erreur_acces_fichier;
2976: return;
2977: }
2978: }
2979: else
2980: {
2981: sqlite = NULL;
2982:
2983: if (sqlite3_open_v2(nom, &sqlite,
2984: SQLITE_OPEN_READWRITE,
2985: NULL) != SQLITE_OK)
2986: {
2987: if (sqlite != NULL)
2988: {
2989: sqlite3_close(sqlite);
2990: }
2991:
2992: free(nom);
2993:
2994: liberation(s_etat_processus, s_objet_argument);
2995: liberation(s_etat_processus, s_objet_resultat);
2996:
2997: (*s_etat_processus).erreur_execution =
2998: d_ex_erreur_acces_fichier;
2999: return;
3000: }
3001:
3002: if ((descripteur = fopen(nom, "a+")) == NULL)
3003: {
3004: free(nom);
3005:
3006: liberation(s_etat_processus, s_objet_argument);
3007: liberation(s_etat_processus, s_objet_resultat);
3008:
3009: (*s_etat_processus).erreur_execution =
3010: d_ex_erreur_acces_fichier;
3011: return;
3012: }
3013: }
3014:
3015: break;
3016: }
3017:
3018: case 'R' :
3019: {
3020: erreur = caracteristiques_fichier(s_etat_processus,
3021: nom, &existence, &ouverture, &unite);
3022:
3023: if ((erreur != d_absence_erreur) || (existence == d_faux))
3024: {
3025: free(nom);
3026:
3027: liberation(s_etat_processus, s_objet_argument);
3028: liberation(s_etat_processus, s_objet_resultat);
3029:
3030: (*s_etat_processus).erreur_execution =
3031: d_ex_erreur_acces_fichier;
3032: return;
3033: }
3034:
3035: /* Test du verrou */
3036:
3037: if ((descripteur = fopen(nom, "r")) == NULL)
3038: {
3039: free(nom);
3040:
3041: liberation(s_etat_processus, s_objet_argument);
3042: liberation(s_etat_processus, s_objet_resultat);
3043:
3044: (*s_etat_processus).erreur_execution =
3045: d_ex_erreur_acces_fichier;
3046: return;
3047: }
3048:
3049: lock.l_type = F_WRLCK;
3050: lock.l_whence = SEEK_SET;
3051: lock.l_start = 0;
3052: lock.l_len = 0;
3053: lock.l_pid = getpid();
3054:
3055: if (fcntl(fileno(descripteur), F_GETLK, &lock) == -1)
3056: {
3057: free(nom);
3058:
3059: if (fclose(descripteur) != 0)
3060: {
3061: liberation(s_etat_processus, s_objet_argument);
3062: liberation(s_etat_processus, s_objet_resultat);
3063:
3064: (*s_etat_processus).erreur_systeme =
3065: d_es_erreur_fichier;
3066: return;
3067: }
3068:
3069: liberation(s_etat_processus, s_objet_argument);
3070: liberation(s_etat_processus, s_objet_resultat);
3071:
3072: (*s_etat_processus).erreur_systeme =
3073: d_es_erreur_fichier;
3074: return;
3075: }
3076:
3077: if (lock.l_type != F_UNLCK)
3078: {
3079: free(nom);
3080:
3081: if (fclose(descripteur) != 0)
3082: {
3083: liberation(s_etat_processus, s_objet_argument);
3084: liberation(s_etat_processus, s_objet_resultat);
3085:
3086: (*s_etat_processus).erreur_systeme =
3087: d_es_erreur_fichier;
3088: return;
3089: }
3090:
3091: liberation(s_etat_processus, s_objet_argument);
3092: liberation(s_etat_processus, s_objet_resultat);
3093:
3094: (*s_etat_processus).erreur_execution =
3095: d_ex_fichier_verrouille;
3096: return;
3097: }
3098:
3099: if (fclose(descripteur) != 0)
3100: {
3101: free(nom);
3102:
3103: liberation(s_etat_processus, s_objet_argument);
3104: liberation(s_etat_processus, s_objet_resultat);
3105:
3106: (*s_etat_processus).erreur_systeme =
3107: d_es_erreur_fichier;
3108: return;
3109: }
3110:
3111: if (type_acces == 'S')
3112: {
3113: if ((descripteur = fopen(nom, "w+")) == NULL)
3114: {
3115: free(nom);
3116:
3117: liberation(s_etat_processus, s_objet_argument);
3118: liberation(s_etat_processus, s_objet_resultat);
3119:
3120: (*s_etat_processus).erreur_execution =
3121: d_ex_erreur_acces_fichier;
3122: return;
3123: }
3124: }
3125: else
3126: {
3127: sqlite = NULL;
3128:
3129: if (sqlite3_open_v2(nom, &sqlite,
3130: SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE,
3131: NULL) != SQLITE_OK)
3132: {
3133: if (sqlite != NULL)
3134: {
3135: sqlite3_close(sqlite);
3136: }
3137:
3138: free(nom);
3139:
3140: liberation(s_etat_processus, s_objet_argument);
3141: liberation(s_etat_processus, s_objet_resultat);
3142:
3143: (*s_etat_processus).erreur_execution =
3144: d_ex_erreur_acces_fichier;
3145: return;
3146: }
3147:
3148: // Ouverture du fichier pour pouvoir gérer les
3149: // verrous à la façon des fichiers séquentiels.
3150:
3151: if ((descripteur = fopen(nom, "a+")) == NULL)
3152: {
3153: free(nom);
3154:
3155: liberation(s_etat_processus, s_objet_argument);
3156: liberation(s_etat_processus, s_objet_resultat);
3157:
3158: (*s_etat_processus).erreur_execution =
3159: d_ex_erreur_acces_fichier;
3160: return;
3161: }
3162:
3163: if (type_acces == 'D')
3164: {
3165: if (initialisation_fichier_acces_direct(
3166: s_etat_processus, sqlite,
3167: (format == 'N') ? d_faux : d_vrai)
3168: != d_absence_erreur)
3169: {
3170: free(nom);
3171:
3172: liberation(s_etat_processus, s_objet_argument);
3173: liberation(s_etat_processus, s_objet_resultat);
3174:
3175: return;
3176: }
3177: }
3178: else
3179: {
3180: if (position_clef == 0)
3181: {
3182: free(nom);
3183:
3184: liberation(s_etat_processus, s_objet_argument);
3185: liberation(s_etat_processus, s_objet_resultat);
3186:
3187: (*s_etat_processus).erreur_execution =
3188: d_ex_erreur_parametre_fichier;
3189: return;
3190: }
3191:
3192: if (initialisation_fichier_acces_indexe(
3193: s_etat_processus, sqlite, position_clef,
3194: (format == 'N') ? d_faux : d_vrai)
3195: != d_absence_erreur)
3196: {
3197: free(nom);
3198:
3199: liberation(s_etat_processus, s_objet_argument);
3200: liberation(s_etat_processus, s_objet_resultat);
3201:
3202: return;
3203: }
3204: }
3205: }
3206:
3207: break;
3208: }
3209:
3210: case 'U' :
3211: {
3212: erreur = caracteristiques_fichier(s_etat_processus,
3213: nom, &existence, &ouverture, &unite);
3214:
3215: if (erreur == d_erreur)
3216: {
3217: free(nom);
3218:
3219: liberation(s_etat_processus, s_objet_argument);
3220: liberation(s_etat_processus, s_objet_resultat);
3221:
3222: (*s_etat_processus).erreur_execution =
3223: d_ex_erreur_acces_fichier;
3224: return;
3225: }
3226:
3227: if (existence == d_faux)
3228: {
3229: if (type_acces == 'S')
3230: {
3231: if ((descripteur = fopen(nom, "w+")) == NULL)
3232: {
3233: free(nom);
3234:
3235: liberation(s_etat_processus, s_objet_argument);
3236: liberation(s_etat_processus, s_objet_resultat);
3237:
3238: (*s_etat_processus).erreur_execution =
3239: d_ex_erreur_acces_fichier;
3240: return;
3241: }
3242: }
3243: else
3244: {
3245: sqlite = NULL;
3246:
3247: if (sqlite3_open_v2(nom, &sqlite,
3248: SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE,
3249: NULL) != SQLITE_OK)
3250: {
3251: if (sqlite != NULL)
3252: {
3253: sqlite3_close(sqlite);
3254: }
3255:
3256: free(nom);
3257:
3258: liberation(s_etat_processus, s_objet_argument);
3259: liberation(s_etat_processus, s_objet_resultat);
3260:
3261: (*s_etat_processus).erreur_execution =
3262: d_ex_erreur_acces_fichier;
3263: return;
3264: }
3265:
3266: if ((descripteur = fopen(nom, "a+")) == NULL)
3267: {
3268: free(nom);
3269:
3270: liberation(s_etat_processus, s_objet_argument);
3271: liberation(s_etat_processus, s_objet_resultat);
3272:
3273: (*s_etat_processus).erreur_execution =
3274: d_ex_erreur_acces_fichier;
3275: return;
3276: }
3277:
3278: if (type_acces == 'D')
3279: {
3280: if (initialisation_fichier_acces_direct(
3281: s_etat_processus, sqlite,
3282: (format == 'N') ? d_faux : d_vrai)
3283: != d_absence_erreur)
3284: {
3285: free(nom);
3286:
3287: liberation(s_etat_processus,
3288: s_objet_argument);
3289: liberation(s_etat_processus,
3290: s_objet_resultat);
3291:
3292: return;
3293: }
3294: }
3295: else
3296: {
3297: if (position_clef == 0)
3298: {
3299: free(nom);
3300:
3301: liberation(s_etat_processus,
3302: s_objet_argument);
3303: liberation(s_etat_processus,
3304: s_objet_resultat);
3305:
3306: (*s_etat_processus).erreur_execution =
3307: d_ex_erreur_parametre_fichier;
3308: return;
3309: }
3310:
3311: if (initialisation_fichier_acces_indexe(
3312: s_etat_processus, sqlite, position_clef,
3313: (format == 'N') ? d_faux : d_vrai)
3314: != d_absence_erreur)
3315: {
3316: free(nom);
3317:
3318: liberation(s_etat_processus,
3319: s_objet_argument);
3320: liberation(s_etat_processus,
3321: s_objet_resultat);
3322:
3323: return;
3324: }
3325: }
3326: }
3327: }
3328: else
3329: {
3330: if (type_acces == 'S')
3331: {
3332: if ((descripteur = fopen(nom, "r+")) == NULL)
3333: {
3334: free(nom);
3335:
3336: liberation(s_etat_processus, s_objet_argument);
3337: liberation(s_etat_processus, s_objet_resultat);
3338:
3339: (*s_etat_processus).erreur_execution =
3340: d_ex_erreur_acces_fichier;
3341: return;
3342: }
3343: }
3344: else
3345: {
3346: sqlite = NULL;
3347:
3348: if (sqlite3_open_v2(nom, &sqlite,
3349: SQLITE_OPEN_READWRITE,
3350: NULL) != SQLITE_OK)
3351: {
3352: if (sqlite != NULL)
3353: {
3354: sqlite3_close(sqlite);
3355: }
3356:
3357: free(nom);
3358:
3359: liberation(s_etat_processus, s_objet_argument);
3360: liberation(s_etat_processus, s_objet_resultat);
3361:
3362: (*s_etat_processus).erreur_execution =
3363: d_ex_erreur_acces_fichier;
3364: return;
3365: }
3366:
3367: if ((descripteur = fopen(nom, "a+")) == NULL)
3368: {
3369: free(nom);
3370:
3371: liberation(s_etat_processus, s_objet_argument);
3372: liberation(s_etat_processus, s_objet_resultat);
3373:
3374: (*s_etat_processus).erreur_execution =
3375: d_ex_erreur_acces_fichier;
3376: return;
3377: }
3378: }
3379: }
3380:
3381: break;
3382: }
3383:
3384: case 'S' :
3385: {
3386: erreur = caracteristiques_fichier(s_etat_processus,
3387: nom, &existence, &ouverture, &unite);
3388:
3389: if ((erreur != d_absence_erreur) || (existence != d_faux))
3390: {
3391: free(nom);
3392:
3393: liberation(s_etat_processus, s_objet_argument);
3394: liberation(s_etat_processus, s_objet_resultat);
3395:
3396: (*s_etat_processus).erreur_execution =
3397: d_ex_erreur_acces_fichier;
3398: return;
3399: }
3400:
3401: if (type_acces == 'S')
3402: {
3403: if ((descripteur = fopen(nom, "w+")) == NULL)
3404: {
3405: free(nom);
3406:
3407: liberation(s_etat_processus, s_objet_argument);
3408: liberation(s_etat_processus, s_objet_resultat);
3409:
3410: (*s_etat_processus).erreur_execution =
3411: d_ex_erreur_acces_fichier;
3412: return;
3413: }
3414: }
3415: else
3416: {
3417: // Si le fichier existe, on le supprime.
3418:
3419: if (unlink(nom) != 0)
3420: {
3421: free(nom);
3422:
3423: liberation(s_etat_processus, s_objet_argument);
3424: liberation(s_etat_processus, s_objet_resultat);
3425:
3426: (*s_etat_processus).erreur_execution =
3427: d_ex_erreur_acces_fichier;
3428: return;
3429: }
3430:
3431: sqlite = NULL;
3432:
3433: if (sqlite3_open_v2(nom, &sqlite,
3434: SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE,
3435: NULL) != SQLITE_OK)
3436: {
3437: if (sqlite != NULL)
3438: {
3439: sqlite3_close(sqlite);
3440: }
3441:
3442: free(nom);
3443:
3444: liberation(s_etat_processus, s_objet_argument);
3445: liberation(s_etat_processus, s_objet_resultat);
3446:
3447: (*s_etat_processus).erreur_execution =
3448: d_ex_erreur_acces_fichier;
3449: return;
3450: }
3451:
3452: if ((descripteur = fopen(nom, "a+")) == NULL)
3453: {
3454: free(nom);
3455:
3456: liberation(s_etat_processus, s_objet_argument);
3457: liberation(s_etat_processus, s_objet_resultat);
3458:
3459: (*s_etat_processus).erreur_execution =
3460: d_ex_erreur_acces_fichier;
3461: return;
3462: }
3463:
3464: if (type_acces == 'D')
3465: {
3466: if (initialisation_fichier_acces_direct(
3467: s_etat_processus, sqlite,
3468: (format == 'N') ? d_faux : d_vrai)
3469: != d_absence_erreur)
3470: {
3471: free(nom);
3472:
3473: liberation(s_etat_processus, s_objet_argument);
3474: liberation(s_etat_processus, s_objet_resultat);
3475:
3476: return;
3477: }
3478: }
3479: else
3480: {
3481: if (position_clef == 0)
3482: {
3483: free(nom);
3484:
3485: liberation(s_etat_processus, s_objet_argument);
3486: liberation(s_etat_processus, s_objet_resultat);
3487:
3488: (*s_etat_processus).erreur_execution =
3489: d_ex_erreur_parametre_fichier;
3490: return;
3491: }
3492:
3493: if (initialisation_fichier_acces_indexe(
3494: s_etat_processus, sqlite, position_clef,
3495: (format == 'N') ? d_faux : d_vrai)
3496: != d_absence_erreur)
3497: {
3498: free(nom);
3499:
3500: liberation(s_etat_processus, s_objet_argument);
3501: liberation(s_etat_processus, s_objet_resultat);
3502:
3503: return;
3504: }
3505: }
3506: }
3507:
3508: break;
3509: }
3510:
3511: default:
3512: {
3513: BUG(1, printf("type_ouverture=%c\n", type_ouverture));
3514: return;
3515: }
3516: }
3517:
3518: if (((*((struct_fichier *) (*s_objet_resultat).objet)).nom =
3519: malloc((strlen(nom) + 1) *
3520: sizeof(unsigned char))) == NULL)
3521: {
3522: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
3523: return;
3524: }
3525:
3526: if (s_parametres_tty != NULL)
3527: {
3528: // Affectation des paramètres du port série.
3529:
3530: if (tcgetattr(fileno(descripteur), &tc) != 0)
3531: {
3532: liberation(s_etat_processus, s_objet_argument);
3533: liberation(s_etat_processus, s_objet_resultat);
3534:
3535: (*s_etat_processus).erreur_systeme =
3536: d_ex_erreur_fichier;
3537: return;
3538: }
3539:
3540: parametre_courant = (*s_parametres_tty).objet;
3541:
3542: // Le premier paramètre concerne la vitesse du port. Il doit
3543: // toujours être présent.
3544:
3545: if (parametre_courant == NULL)
3546: {
3547: liberation(s_etat_processus, s_objet_argument);
3548: liberation(s_etat_processus, s_objet_resultat);
3549:
3550: (*s_etat_processus).erreur_execution =
3551: d_ex_erreur_parametre_fichier;
3552: return;
3553: }
3554:
3555: if ((*(*parametre_courant).donnee).type != CHN)
3556: {
3557: liberation(s_etat_processus, s_objet_argument);
3558: liberation(s_etat_processus, s_objet_resultat);
3559:
3560: (*s_etat_processus).erreur_execution =
3561: d_ex_erreur_parametre_fichier;
3562: return;
3563: }
3564:
3565: if ((parametre_courant_majuscule = conversion_majuscule(
3566: (*(*parametre_courant).donnee).objet)) == NULL)
3567: {
3568: liberation(s_etat_processus, s_objet_argument);
3569: liberation(s_etat_processus, s_objet_resultat);
3570:
3571: (*s_etat_processus).erreur_systeme =
3572: d_es_allocation_memoire;
3573: return;
3574: }
3575:
3576: position = parametre_courant_majuscule;
3577:
3578: while((*position) != d_code_fin_chaine)
3579: {
3580: if ((*position) == ',')
3581: {
3582: (*position) = ' ';
3583: }
3584:
3585: position++;
3586: }
3587:
3588: position = parametre_courant_majuscule;
3589:
3590: while((*position) != d_code_fin_chaine)
3591: {
3592: if (isalnum((*position)) != 0)
3593: {
3594: break;
3595: }
3596:
3597: position++;
3598: }
3599:
3600: // Vitesse
3601:
3602: unsigned char *vitesses[] =
3603: { "B0", "B50", "B75", "B110", "B134", "B150",
3604: "B200", "B300", "B600", "B1200", "B1800", "B2400",
3605: "B4800", "B9600", "B19200", "B38400", "B57600",
3606: "B115200", "B230400", NULL };
3607: int vitesses_constantes[] =
3608: { B0, B50, B75, B110, B134, B150, B200, B300, B600,
3609: B1200, B1800, B2400, B4800, B9600, B19200, B38400,
3610: B57600, B115200, B230400, 0 };
3611: unsigned int vitesse_courante;
3612:
3613: vitesse_courante = 0;
3614:
3615: while(vitesses[vitesse_courante] != NULL)
3616: {
3617: if (strncmp(position, vitesses[vitesse_courante],
3618: strlen(vitesses[vitesse_courante])) == 0)
3619: {
3620: if (position[strlen(vitesses[vitesse_courante])] ==
3621: d_code_espace)
3622: {
3623: tc.c_cflag &= ~CBAUD;
3624: tc.c_cflag |= vitesses_constantes[vitesse_courante];
3625: position += strlen(vitesses[vitesse_courante]);
3626:
3627: break;
3628: }
3629: }
3630:
3631: vitesse_courante++;
3632: }
3633:
3634: if (vitesses[vitesse_courante] == NULL)
3635: {
3636: // La vitesse indiquée n'est pas une vitesse autorisée.
3637:
3638: free(parametre_courant_majuscule);
3639: liberation(s_etat_processus, s_objet_argument);
3640: liberation(s_etat_processus, s_objet_resultat);
3641:
3642: (*s_etat_processus).erreur_execution =
3643: d_ex_erreur_parametre_fichier;
3644: return;
3645: }
3646:
3647: // Nombre de bits par caractère.
3648:
3649: while((*position) != d_code_fin_chaine)
3650: {
3651: if (isalnum((*position)) != 0)
3652: {
3653: break;
3654: }
3655:
3656: position++;
3657: }
3658:
3659: switch((*position))
3660: {
3661: case '5':
3662: {
3663: tc.c_cflag &= ~CSIZE;
3664: tc.c_cflag |= CS5;
3665: break;
3666: }
3667:
3668: case '6':
3669: {
3670: tc.c_cflag &= ~CSIZE;
3671: tc.c_cflag |= CS6;
3672: break;
3673: }
3674:
3675: case '7':
3676: {
3677: tc.c_cflag &= ~CSIZE;
3678: tc.c_cflag |= CS7;
3679: break;
3680: }
3681:
3682: case '8':
3683: {
3684: tc.c_cflag &= ~CSIZE;
3685: tc.c_cflag |= CS8;
3686: break;
3687: }
3688:
3689: default:
3690: {
3691: free(parametre_courant_majuscule);
3692: liberation(s_etat_processus, s_objet_argument);
3693: liberation(s_etat_processus, s_objet_resultat);
3694:
3695: (*s_etat_processus).erreur_execution =
3696: d_ex_erreur_parametre_fichier;
3697: return;
3698: }
3699: }
3700:
3701: position++;
3702:
3703: if ((*position) != d_code_espace)
3704: {
3705: free(parametre_courant_majuscule);
3706: liberation(s_etat_processus, s_objet_argument);
3707: liberation(s_etat_processus, s_objet_resultat);
3708:
3709: (*s_etat_processus).erreur_execution =
3710: d_ex_erreur_parametre_fichier;
3711: return;
3712: }
3713:
3714: // Parité
3715:
3716: while((*position) != d_code_fin_chaine)
3717: {
3718: if (isalnum((*position)) != 0)
3719: {
3720: break;
3721: }
3722:
3723: position++;
3724: }
3725:
3726: switch((*position))
3727: {
3728: case 'N':
3729: {
3730: tc.c_cflag &= ~PARENB;
3731: break;
3732: }
3733:
3734: case 'O':
3735: {
3736: tc.c_cflag |= PARENB;
3737: tc.c_cflag |= PARODD;
3738: break;
3739: }
3740:
3741: case 'E':
3742: {
3743: tc.c_cflag |= PARENB;
3744: tc.c_cflag &= ~PARODD;
3745: break;
3746: }
3747:
3748: default:
3749: {
3750: free(parametre_courant_majuscule);
3751: liberation(s_etat_processus, s_objet_argument);
3752: liberation(s_etat_processus, s_objet_resultat);
3753:
3754: (*s_etat_processus).erreur_execution =
3755: d_ex_erreur_parametre_fichier;
3756: return;
3757: }
3758: }
3759:
3760: if ((*position) != d_code_espace)
3761: {
3762: free(parametre_courant_majuscule);
3763: liberation(s_etat_processus, s_objet_argument);
3764: liberation(s_etat_processus, s_objet_resultat);
3765:
3766: (*s_etat_processus).erreur_execution =
3767: d_ex_erreur_parametre_fichier;
3768: return;
3769: }
3770:
3771: // Bits de stop
3772:
3773: while((*position) != d_code_fin_chaine)
3774: {
3775: if (isalnum((*position)) != 0)
3776: {
3777: break;
3778: }
3779:
3780: position++;
3781: }
3782:
3783: switch((*position))
3784: {
3785: case '1':
3786: {
3787: tc.c_cflag &= ~CSTOPB;
3788: break;
3789: }
3790:
3791: case '2':
3792: {
3793: tc.c_cflag |= CSTOPB;
3794: break;
3795: }
3796:
3797: default:
3798: {
3799: free(parametre_courant_majuscule);
3800: liberation(s_etat_processus, s_objet_argument);
3801: liberation(s_etat_processus, s_objet_resultat);
3802:
3803: (*s_etat_processus).erreur_execution =
3804: d_ex_erreur_parametre_fichier;
3805: return;
3806: }
3807: }
3808:
3809: // S'il reste autre chose que des espaces, il y a un
3810: // problème de paramètres.
3811:
3812: while((*position) != d_code_fin_chaine)
3813: {
3814: if ((*position) != d_code_espace)
3815: {
3816: free(parametre_courant_majuscule);
3817: liberation(s_etat_processus, s_objet_argument);
3818: liberation(s_etat_processus, s_objet_resultat);
3819:
3820: (*s_etat_processus).erreur_execution =
3821: d_ex_erreur_parametre_fichier;
3822: return;
3823: }
3824:
3825: position++;
3826: }
3827:
3828: // Autres paramètres
3829:
3830: free(parametre_courant_majuscule);
3831:
3832: while(parametre_courant != NULL)
3833: {
3834: parametre_courant = (*parametre_courant).suivant;
3835: }
3836: }
3837:
3838: strcpy((*((struct_fichier *) (*s_objet_resultat).objet)).nom, nom);
3839: liberation(s_etat_processus, s_objet_argument);
3840:
3841: (*((struct_fichier *) (*s_objet_resultat).objet)).protection =
3842: protection;
3843: (*((struct_fichier *) (*s_objet_resultat).objet)).position_clef =
3844: position_clef;
3845:
3846: rewind(descripteur);
3847:
3848: lock.l_type = F_WRLCK;
3849: lock.l_whence = SEEK_SET;
3850: lock.l_start = 0;
3851: lock.l_len = 0;
3852: lock.l_pid = getpid();
3853:
3854: if (fcntl(fileno(descripteur), F_GETLK, &lock) == -1)
3855: {
3856: if (fclose(descripteur) != 0)
3857: {
3858: liberation(s_etat_processus, s_objet_resultat);
3859:
3860: (*s_etat_processus).erreur_systeme =
3861: d_es_erreur_fichier;
3862: return;
3863: }
3864:
3865: liberation(s_etat_processus, s_objet_resultat);
3866:
3867: (*s_etat_processus).erreur_systeme = d_es_erreur_fichier;
3868: return;
3869: }
3870:
3871: if (lock.l_type == F_UNLCK)
3872: {
3873: /*
3874: * Positionnement d'un verrou exclusif d'écriture par défaut
3875: */
3876:
3877: lock.l_type = F_RDLCK;
3878: lock.l_whence = SEEK_SET;
3879: lock.l_start = 0;
3880: lock.l_len = 0;
3881: lock.l_pid = getpid();
3882:
3883: if (fcntl(fileno(descripteur), F_SETLK, &lock) == -1)
3884: {
3885: if (fclose(descripteur) != 0)
3886: {
3887: liberation(s_etat_processus, s_objet_resultat);
3888:
3889: (*s_etat_processus).erreur_systeme =
3890: d_es_erreur_fichier;
3891: return;
3892: }
3893:
3894: liberation(s_etat_processus, s_objet_resultat);
3895:
3896: (*s_etat_processus).erreur_systeme =
3897: d_es_erreur_fichier;
3898: return;
3899: }
3900: }
3901: else
3902: {
3903: /*
3904: * Test de la cohérence du verrou avec l'option PROTECTION
3905: */
3906:
3907: if ((lock.l_type == F_RDLCK) && (protection != 'R'))
3908: {
3909: free(nom);
3910:
3911: if (fclose(descripteur) != 0)
3912: {
3913: liberation(s_etat_processus, s_objet_resultat);
3914:
3915: (*s_etat_processus).erreur_systeme =
3916: d_es_erreur_fichier;
3917: return;
3918: }
3919:
3920: liberation(s_etat_processus, s_objet_resultat);
3921:
3922: (*s_etat_processus).erreur_execution =
3923: d_ex_fichier_verrouille;
3924: return;
3925: }
3926: else if ((lock.l_type == F_WRLCK) && (protection != 'W'))
3927: {
3928: free(nom);
3929:
3930: if (fclose(descripteur) != 0)
3931: {
3932: liberation(s_etat_processus, s_objet_resultat);
3933:
3934: (*s_etat_processus).erreur_systeme =
3935: d_es_erreur_fichier;
3936: return;
3937: }
3938:
3939: liberation(s_etat_processus, s_objet_resultat);
3940:
3941: (*s_etat_processus).erreur_execution =
3942: d_ex_fichier_verrouille;
3943: return;
3944: }
3945: else
3946: {
3947: free(nom);
3948:
3949: if (fclose(descripteur) != 0)
3950: {
3951: liberation(s_etat_processus, s_objet_resultat);
3952:
3953: (*s_etat_processus).erreur_systeme =
3954: d_es_erreur_fichier;
3955: return;
3956: }
3957:
3958: liberation(s_etat_processus, s_objet_resultat);
3959:
3960: (*s_etat_processus).erreur_execution =
3961: d_ex_fichier_verrouille;
3962: return;
3963: }
3964: }
3965:
3966: /*
3967: * Gestion de la liste des fichiers ouverts
3968: */
3969:
3970: l_element_courant = (*s_etat_processus).s_fichiers;
3971:
3972: if (l_element_courant == NULL)
3973: {
3974: if (((*s_etat_processus).s_fichiers = malloc(sizeof(
3975: struct_liste_chainee))) == NULL)
3976: {
3977: (*s_etat_processus).erreur_systeme =
3978: d_es_allocation_memoire;
3979: return;
3980: }
3981:
3982: (*(*s_etat_processus).s_fichiers).suivant = NULL;
3983:
3984: if (((*(*s_etat_processus).s_fichiers).donnee =
3985: malloc(sizeof(struct_descripteur_fichier))) == NULL)
3986: {
3987: (*s_etat_processus).erreur_systeme =
3988: d_es_allocation_memoire;
3989: return;
3990: }
3991:
3992: l_element_courant = (*s_etat_processus).s_fichiers;
3993: prochain_descripteur = 0;
3994: }
3995: else
3996: {
3997: /*
3998: * Recherche du premier descripteur libre
3999: */
4000:
4001: if ((chaine_descripteurs = malloc(sizeof(unsigned char) *
4002: (ds_nombre_maximum_fichiers_ouverts + 1))) == NULL)
4003: {
4004: (*s_etat_processus).erreur_systeme =
4005: d_es_allocation_memoire;
4006: return;
4007: }
4008:
4009: for(pointeur = chaine_descripteurs, i = 0;
4010: i < ds_nombre_maximum_fichiers_ouverts;
4011: (*pointeur) = d_code_espace, pointeur++, i++);
4012: (*pointeur) = d_code_fin_chaine;
4013:
4014: do
4015: {
4016: chaine_descripteurs[(*((struct_descripteur_fichier *)
4017: (*l_element_courant).donnee)).identifiant] = '-';
4018: l_element_courant = (*l_element_courant).suivant;
4019: } while(l_element_courant != NULL);
4020:
4021: i = 0;
4022: pointeur = chaine_descripteurs;
4023:
4024: while(i < ds_nombre_maximum_fichiers_ouverts)
4025: {
4026: if ((*pointeur) == ' ')
4027: {
4028: break;
4029: }
4030:
4031: pointeur++;
4032: i++;
4033: }
4034:
4035: free(chaine_descripteurs);
4036:
4037: if (i == ds_nombre_maximum_fichiers_ouverts)
4038: {
4039: (*s_etat_processus).erreur_systeme =
4040: d_es_nombre_max_descripteurs;
4041: return;
4042: }
4043:
4044: prochain_descripteur = i;
4045:
4046: /*
4047: * Ajout d'un élément à la fin de la liste chaînée
4048: */
4049:
4050: l_element_courant = (*s_etat_processus).s_fichiers;
4051: while((*l_element_courant).suivant != NULL)
4052: {
4053: l_element_courant = (*l_element_courant).suivant;
4054: }
4055:
4056: if (((*l_element_courant).suivant =
4057: allocation_maillon(s_etat_processus)) == NULL)
4058: {
4059: (*s_etat_processus).erreur_systeme =
4060: d_es_allocation_memoire;
4061: return;
4062: }
4063:
4064: l_element_courant = (*l_element_courant).suivant;
4065: (*l_element_courant).suivant = NULL;
4066:
4067: if (((*l_element_courant).donnee =
4068: malloc(sizeof(struct_descripteur_fichier))) == NULL)
4069: {
4070: (*s_etat_processus).erreur_systeme =
4071: d_es_allocation_memoire;
4072: return;
4073: }
4074: }
4075:
4076: (*((struct_fichier *) (*s_objet_resultat).objet)).descripteur
4077: = prochain_descripteur;
4078: (*((struct_descripteur_fichier *) (*l_element_courant).donnee))
4079: .identifiant = prochain_descripteur;
4080:
4081: if (type_acces == 'S')
4082: {
4083: (*((struct_descripteur_fichier *) (*l_element_courant).donnee))
4084: .type = 'C';
4085: (*((struct_descripteur_fichier *) (*l_element_courant).donnee))
4086: .descripteur_c = descripteur;
4087: }
4088: else
4089: {
4090: (*((struct_descripteur_fichier *) (*l_element_courant).donnee))
4091: .type = 'S';
4092: (*((struct_descripteur_fichier *) (*l_element_courant).donnee))
4093: .descripteur_c = descripteur;
4094: (*((struct_descripteur_fichier *) (*l_element_courant).donnee))
4095: .descripteur_sqlite = sqlite;
4096: }
4097:
4098: (*((struct_descripteur_fichier *) (*l_element_courant).donnee))
4099: .pid = getpid();
4100: (*((struct_descripteur_fichier *) (*l_element_courant).donnee))
4101: .tid = pthread_self();
4102: (*((struct_descripteur_fichier *) (*l_element_courant).donnee))
4103: .effacement = (type_ouverture == 'S') ? 'Y' : 'N';
4104:
4105: (*((struct_descripteur_fichier *) (*l_element_courant)
4106: .donnee)).nom = nom;
4107: }
4108: else if (type_arguments == 'S')
4109: {
4110: /*
4111: * Traitement des sockets
4112: */
4113:
4114:
4115: inline logical1 options_socket()
4116: {
4117: /*
4118: * Options des sockets
4119: */
4120:
4121: # define WARNING(message) \
4122: if ((*s_etat_processus).langue != 'F') \
4123: printf("+++Warning : %s unavailable on host system\n", \
4124: message); \
4125: else \
4126: printf("+++Attention : %s non disponible sur le système " \
4127: "hôte\n", message)
4128:
4129: if (options[d_BIND_TO_DEVICE] == 'Y')
4130: {
4131: # ifdef SO_BINDTODEVICE
4132: if (setsockopt((*((struct_socket *) (*s_objet_resultat)
4133: .objet)).socket, SOL_SOCKET, SO_BINDTODEVICE,
4134: peripherique, strlen(peripherique)) != 0)
4135: {
4136: liberation(s_etat_processus, s_objet_argument);
4137: liberation(s_etat_processus, s_objet_resultat);
4138:
4139: (*s_etat_processus).erreur_execution =
4140: d_ex_erreur_parametre_fichier;
4141: return(d_erreur);
4142: }
4143: # else
4144: WARNING("BIND TO DEVICE");
4145: # endif
4146: }
4147:
4148: if (options[d_BROADCAST] == 'Y')
4149: {
4150: if (setsockopt((*((struct_socket *) (*s_objet_resultat)
4151: .objet)).socket, SOL_SOCKET, SO_BROADCAST,
4152: &drapeau, sizeof(drapeau)) != 0)
4153: {
4154: liberation(s_etat_processus, s_objet_argument);
4155: liberation(s_etat_processus, s_objet_resultat);
4156:
4157: (*s_etat_processus).erreur_execution =
4158: d_ex_erreur_parametre_fichier;
4159: return(d_erreur);
4160: }
4161: }
4162:
4163: if (options[d_DONT_ROUTE] == 'Y')
4164: {
4165: if (setsockopt((*((struct_socket *) (*s_objet_resultat)
4166: .objet)).socket, SOL_SOCKET, SO_DONTROUTE,
4167: &drapeau, sizeof(drapeau)) != 0)
4168: {
4169: liberation(s_etat_processus, s_objet_argument);
4170: liberation(s_etat_processus, s_objet_resultat);
4171:
4172: (*s_etat_processus).erreur_execution =
4173: d_ex_erreur_parametre_fichier;
4174: return(d_erreur);
4175: }
4176: }
4177:
4178: if (options[d_KEEP_ALIVE] == 'Y')
4179: {
4180: if (setsockopt((*((struct_socket *) (*s_objet_resultat)
4181: .objet)).socket, SOL_SOCKET, SO_KEEPALIVE,
4182: &drapeau, sizeof(drapeau)) != 0)
4183: {
4184: liberation(s_etat_processus, s_objet_argument);
4185: liberation(s_etat_processus, s_objet_resultat);
4186:
4187: (*s_etat_processus).erreur_execution =
4188: d_ex_erreur_parametre_fichier;
4189: return(d_erreur);
4190: }
4191: }
4192:
4193: if (options[d_PRIORITY] == 'Y')
4194: {
4195: # ifdef SO_PRIORITY
4196: if (setsockopt((*((struct_socket *) (*s_objet_resultat)
4197: .objet)).socket, SOL_SOCKET, SO_PRIORITY,
4198: &priorite, sizeof(priorite)) != 0)
4199: {
4200: liberation(s_etat_processus, s_objet_argument);
4201: liberation(s_etat_processus, s_objet_resultat);
4202:
4203: (*s_etat_processus).erreur_execution =
4204: d_ex_erreur_parametre_fichier;
4205: return(d_erreur);
4206: }
4207: # else
4208: WARNING("PRIORITY");
4209: # endif
4210: }
4211:
4212: if (options[d_RECEIVE_BUFFER] == 'Y')
4213: {
4214: if (setsockopt((*((struct_socket *) (*s_objet_resultat)
4215: .objet)).socket, SOL_SOCKET, SO_RCVBUF,
4216: &buffer_reception, sizeof(buffer_reception)) != 0)
4217: {
4218: liberation(s_etat_processus, s_objet_argument);
4219: liberation(s_etat_processus, s_objet_resultat);
4220:
4221: (*s_etat_processus).erreur_execution =
4222: d_ex_erreur_parametre_fichier;
4223: return(d_erreur);
4224: }
4225: }
4226:
4227: if (options[d_FORCE_RECEIVE_BUFFER] == 'Y')
4228: {
4229: # ifdef SO_RCVBUFFORCE
4230: if (setsockopt((*((struct_socket *) (*s_objet_resultat)
4231: .objet)).socket, SOL_SOCKET, SO_RCVBUFFORCE,
4232: &buffer_reception, sizeof(buffer_reception))
4233: != 0)
4234: {
4235: liberation(s_etat_processus, s_objet_argument);
4236: liberation(s_etat_processus, s_objet_resultat);
4237:
4238: (*s_etat_processus).erreur_execution =
4239: d_ex_erreur_parametre_fichier;
4240: return(d_erreur);
4241: }
4242: # else
4243: WARNING("FORCE_RECEIVE_BUFFER");
4244: # endif
4245: }
4246:
4247: if (options[d_SEND_BUFFER] == 'Y')
4248: {
4249: if (setsockopt((*((struct_socket *) (*s_objet_resultat)
4250: .objet)).socket, SOL_SOCKET, SO_SNDBUF,
4251: &buffer_emission, sizeof(buffer_emission)) != 0)
4252: {
4253: liberation(s_etat_processus, s_objet_argument);
4254: liberation(s_etat_processus, s_objet_resultat);
4255:
4256: (*s_etat_processus).erreur_execution =
4257: d_ex_erreur_parametre_fichier;
4258: return(d_erreur);
4259: }
4260: }
4261:
4262: if (options[d_FORCE_SEND_BUFFER] == 'Y')
4263: {
4264: # ifdef SO_SNDBUFFORCE
4265: if (setsockopt((*((struct_socket *) (*s_objet_resultat)
4266: .objet)).socket, SOL_SOCKET, SO_SNDBUFFORCE,
4267: &buffer_emission, sizeof(buffer_emission)) != 0)
4268: {
4269: liberation(s_etat_processus, s_objet_argument);
4270: liberation(s_etat_processus, s_objet_resultat);
4271:
4272: (*s_etat_processus).erreur_execution =
4273: d_ex_erreur_parametre_fichier;
4274: return(d_erreur);
4275: }
4276: # else
4277: WARNING("FORCE_SEND_BUFFER");
4278: # endif
4279: }
4280:
4281: if (options[d_RECEIVING_TIMEOUT] == 'Y')
4282: {
4283: if (setsockopt((*((struct_socket *) (*s_objet_resultat)
4284: .objet)).socket, SOL_SOCKET, SO_RCVTIMEO,
4285: &timeout_reception, sizeof(timeout_reception)) != 0)
4286: {
4287: liberation(s_etat_processus, s_objet_argument);
4288: liberation(s_etat_processus, s_objet_resultat);
4289:
4290: (*s_etat_processus).erreur_execution =
4291: d_ex_erreur_parametre_fichier;
4292: return(d_erreur);
4293: }
4294: }
4295:
4296: if (options[d_SENDING_TIMEOUT] == 'Y')
4297: {
4298: if (setsockopt((*((struct_socket *) (*s_objet_resultat)
4299: .objet)).socket, SOL_SOCKET, SO_SNDTIMEO,
4300: &timeout_emission, sizeof(timeout_emission)) != 0)
4301: {
4302: liberation(s_etat_processus, s_objet_argument);
4303: liberation(s_etat_processus, s_objet_resultat);
4304:
4305: (*s_etat_processus).erreur_execution =
4306: d_ex_erreur_parametre_fichier;
4307: return(d_erreur);
4308: }
4309: }
4310:
4311: if (options[d_REUSE_ADDRESS] == 'Y')
4312: {
4313: if (setsockopt((*((struct_socket *) (*s_objet_resultat)
4314: .objet)).socket, SOL_SOCKET, SO_REUSEADDR,
4315: &drapeau, sizeof(drapeau)) != 0)
4316: {
4317: liberation(s_etat_processus, s_objet_argument);
4318: liberation(s_etat_processus, s_objet_resultat);
4319:
4320: (*s_etat_processus).erreur_execution =
4321: d_ex_erreur_parametre_fichier;
4322: return(d_erreur);
4323: }
4324: }
4325:
4326: return(d_absence_erreur);
4327: #undef WARNING
4328: }
4329:
4330: /*
4331: * Vérification de la cohérence des arguments et traitement
4332: * des valeurs par défaut.
4333: */
4334:
4335: if (format == ' ')
4336: {
4337: format = 'N';
4338: }
4339:
4340: if (protection == ' ')
4341: {
4342: protection = 'N';
4343: }
4344:
4345: if (type_domaine == ' ')
4346: {
4347: type_domaine = 'L';
4348: }
4349:
4350: if (type_socket == ' ')
4351: {
4352: type_socket = 'S';
4353: type = SOCK_STREAM;
4354: }
4355:
4356: if (nom != NULL)
4357: {
4358: if (strcmp(protocole, "") == 0)
4359: {
4360: strcpy(protocole, "UNIX");
4361: }
4362: }
4363: else
4364: {
4365: if (strcmp(protocole, "") == 0)
4366: {
4367: strcpy(protocole, "IPV4");
4368: }
4369: }
4370:
4371: if ((nom != NULL) && (hote != NULL))
4372: {
4373: liberation(s_etat_processus, s_objet_argument);
4374:
4375: (*s_etat_processus).erreur_execution =
4376: d_ex_erreur_parametre_fichier;
4377: return;
4378: }
4379:
4380: if ((nom != NULL) && (strcmp(protocole, "UNIX") != 0))
4381: {
4382: liberation(s_etat_processus, s_objet_argument);
4383:
4384: (*s_etat_processus).erreur_execution =
4385: d_ex_erreur_parametre_fichier;
4386: return;
4387: }
4388:
4389: if ((hote != NULL) && (strcmp(protocole, "UNIX") == 0))
4390: {
4391: liberation(s_etat_processus, s_objet_argument);
4392:
4393: (*s_etat_processus).erreur_execution =
4394: d_ex_erreur_parametre_fichier;
4395: return;
4396: }
4397:
4398: if ((nom != NULL) && (type_domaine == 'F') && (type_adresse != ' '))
4399: {
4400: liberation(s_etat_processus, s_objet_argument);
4401:
4402: (*s_etat_processus).erreur_execution =
4403: d_ex_erreur_parametre_fichier;
4404: return;
4405: }
4406:
4407: if ((presence_port == d_vrai) && (nom != NULL))
4408: {
4409: liberation(s_etat_processus, s_objet_argument);
4410:
4411: (*s_etat_processus).erreur_execution =
4412: d_ex_erreur_parametre_fichier;
4413: return;
4414: }
4415:
4416: if ((type_adresse == ' ') && (type_domaine == 'L'))
4417: {
4418: if (strcmp(protocole, "IPV4") == 0)
4419: {
4420: for(i = 0; i < 4; adresse[i++] = 0);
4421: type_adresse = '4';
4422: }
4423: else if (strcmp(protocole, "IPV6") == 0)
4424: {
4425: for(i = 0; i < 16; adresse[i++] = 0);
4426: type_adresse = '6';
4427: }
4428: else
4429: {
4430: liberation(s_etat_processus, s_objet_argument);
4431:
4432: (*s_etat_processus).erreur_execution =
4433: d_ex_erreur_parametre_fichier;
4434: return;
4435: }
4436: }
4437:
4438: if (((strcmp(protocole, "IPV4") == 0) && (type_adresse == '6')) ||
4439: ((strcmp(protocole, "IPV6") == 0) && (type_adresse == '4')))
4440: {
4441: liberation(s_etat_processus, s_objet_argument);
4442:
4443: (*s_etat_processus).erreur_execution =
4444: d_ex_erreur_parametre_fichier;
4445: return;
4446: }
4447:
4448: if ((nombre_maximal_connexions != 0) && ((type_socket != 'S') &&
4449: (type_socket != 'Q')))
4450: {
4451: liberation(s_etat_processus, s_objet_argument);
4452:
4453: (*s_etat_processus).erreur_execution =
4454: d_ex_erreur_parametre_fichier;
4455: return;
4456: }
4457:
4458: if (nombre_maximal_connexions == 0)
4459: {
4460: nombre_maximal_connexions = 1;
4461: }
4462:
4463: if (protocole_socket == NULL)
4464: {
4465: protocole_numerique = 0;
4466: }
4467: else
4468: {
4469: if (strcmp(protocole_socket, "IPV4") == 0)
4470: {
4471: protocole_socket[2] = d_code_fin_chaine;
4472: }
4473:
4474: if ((s_protocole = getprotobyname(protocole_socket)) == NULL)
4475: {
4476: liberation(s_etat_processus, s_objet_argument);
4477:
4478: (*s_etat_processus).erreur_execution =
4479: d_ex_erreur_parametre_fichier;
4480: return;
4481: }
4482:
4483: protocole_numerique = (*s_protocole).p_proto;
4484: }
4485:
4486: if ((s_objet_resultat = allocation(s_etat_processus, SCK))
4487: == NULL)
4488: {
4489: (*s_etat_processus).erreur_systeme =
4490: d_es_allocation_memoire;
4491: return;
4492: }
4493:
4494: if (((*((struct_socket *) (*s_objet_resultat).objet)).format =
4495: allocation(s_etat_processus, LST)) == NULL)
4496: {
4497: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
4498: return;
4499: }
4500:
4501: (*((struct_socket *) (*s_objet_resultat).objet)).protection
4502: = protection;
4503: (*(*((struct_socket *) (*s_objet_resultat).objet))
4504: .format).objet = NULL;
4505:
4506: switch(type_socket)
4507: {
4508: case 'S' :
4509: type = SOCK_STREAM;
4510: strcpy((*((struct_socket *) (*s_objet_resultat).objet)).
4511: type, "STREAM");
4512: break;
4513:
4514: case 'D' :
4515: type = SOCK_DGRAM;
4516: strcpy((*((struct_socket *) (*s_objet_resultat).objet)).
4517: type, "DATAGRAM");
4518: break;
4519:
4520: case 'Q' :
4521: strcpy((*((struct_socket *) (*s_objet_resultat).objet)).
4522: type, "SEQUENTIAL DATAGRAM");
4523: type = SOCK_SEQPACKET;
4524: break;
4525:
4526: case 'R' :
4527: type = SOCK_RAW;
4528: strcpy((*((struct_socket *) (*s_objet_resultat).objet)).
4529: type, "RAW");
4530: break;
4531:
4532: case 'M' :
4533: type = SOCK_RDM;
4534: strcpy((*((struct_socket *) (*s_objet_resultat).objet)).
4535: type, "ROBUST DATAGRAM");
4536: break;
4537:
4538: default :
4539: BUG(1, printf("type_socket=%c\n", type_socket));
4540: break;
4541: }
4542:
4543: if ((protection != 'N') && ((type_socket != 'S') &&
4544: (type_socket != 'Q')))
4545: {
4546: liberation(s_etat_processus, s_objet_argument);
4547: liberation(s_etat_processus, s_objet_resultat);
4548:
4549: (*s_etat_processus).erreur_execution =
4550: d_ex_erreur_parametre_fichier;
4551: return;
4552: }
4553:
4554: if (nom == NULL)
4555: {
4556: if (((*((struct_socket *) (*s_objet_resultat).objet)).adresse =
4557: malloc(sizeof(unsigned char))) == NULL)
4558: {
4559: (*s_etat_processus).erreur_systeme =
4560: d_es_allocation_memoire;
4561: return;
4562: }
4563:
4564: strcpy((*((struct_socket *) (*s_objet_resultat).objet)).adresse,
4565: "");
4566: }
4567: else
4568: {
4569: if (((*((struct_socket *) (*s_objet_resultat).objet)).adresse =
4570: transliteration(s_etat_processus, nom,
4571: d_locale, "UTF-8")) == NULL)
4572: {
4573: liberation(s_etat_processus, s_objet_argument);
4574: liberation(s_etat_processus, s_objet_resultat);
4575: return;
4576: }
4577: }
4578:
4579: if (((*((struct_socket *) (*s_objet_resultat).objet))
4580: .adresse_distante = malloc(sizeof(unsigned char))) == NULL)
4581: {
4582: (*s_etat_processus).erreur_systeme =
4583: d_es_allocation_memoire;
4584: return;
4585: }
4586:
4587: strcpy((*((struct_socket *) (*s_objet_resultat).objet))
4588: .adresse_distante, "");
4589:
4590: (*((struct_socket *) (*s_objet_resultat).objet)).localisation =
4591: type_domaine;
4592: (*((struct_socket *) (*s_objet_resultat).objet)).binaire =
4593: format;
4594: (*((struct_socket *) (*s_objet_resultat).objet)).pid =
4595: getpid();
4596: (*((struct_socket *) (*s_objet_resultat).objet)).tid =
4597: pthread_self();
4598: (*((struct_socket *) (*s_objet_resultat).objet)).socket_en_ecoute
4599: = 'Y';
4600: (*((struct_socket *) (*s_objet_resultat).objet)).socket_connectee
4601: = d_faux;
4602:
4603: if (type_domaine == 'L')
4604: { // Socket serveur
4605: if (nom != NULL)
4606: {
4607: /*
4608: * La socket locale est dans l'espace des noms.
4609: */
4610:
4611: if (((*((struct_socket *) (*s_objet_resultat).objet))
4612: .socket = socket(PF_UNIX, type,
4613: protocole_numerique)) == -1)
4614: {
4615: liberation(s_etat_processus, s_objet_argument);
4616: liberation(s_etat_processus, s_objet_resultat);
4617:
4618: (*s_etat_processus).erreur_execution =
4619: d_ex_erreur_acces_fichier;
4620: return;
4621: }
4622:
4623: (*((struct_socket *) (*s_objet_resultat).objet)).domaine
4624: = PF_UNIX;
4625: (*((struct_socket *) (*s_objet_resultat).objet)).effacement
4626: = 'Y';
4627:
4628: socket_unix.sun_family = AF_UNIX;
4629:
4630: pointeur = (*((struct_socket *)
4631: (*s_objet_resultat).objet)).adresse;
4632:
4633: while((*pointeur) == d_code_espace)
4634: {
4635: pointeur++;
4636: }
4637:
4638: strncpy(socket_unix.sun_path, pointeur, UNIX_PATH_MAX);
4639: socket_unix.sun_path[UNIX_PATH_MAX - 1] = d_code_fin_chaine;
4640:
4641: if (options_socket() == d_erreur)
4642: {
4643: liberation(s_etat_processus, s_objet_argument);
4644: liberation(s_etat_processus, s_objet_resultat);
4645:
4646: return;
4647: }
4648:
4649: if (bind((*((struct_socket *) (*s_objet_resultat).objet))
4650: .socket, (const struct sockaddr *) &socket_unix,
4651: sizeof(socket_unix)) != 0)
4652: {
4653: liberation(s_etat_processus, s_objet_argument);
4654: liberation(s_etat_processus, s_objet_resultat);
4655:
4656: (*s_etat_processus).erreur_execution =
4657: d_ex_erreur_acces_fichier;
4658: return;
4659: }
4660: }
4661: else
4662: {
4663: /*
4664: * La socket est une socket réseau locale. L'adresse
4665: * passée en argument est l'adresse sur laquelle
4666: * cette socket est à l'écoute.
4667: */
4668:
4669: (*((struct_socket *) (*s_objet_resultat).objet)).effacement
4670: = 'N';
4671:
4672: if (hote != NULL)
4673: { // Hôte défini par un nom
4674: resolution = NULL;
4675:
4676: if (getaddrinfo(hote, NULL, NULL, &resolution) != 0)
4677: {
4678: liberation(s_etat_processus, s_objet_argument);
4679: liberation(s_etat_processus, s_objet_resultat);
4680:
4681: if (resolution != NULL)
4682: {
4683: freeaddrinfo(resolution);
4684: }
4685:
4686: (*s_etat_processus).erreur_execution =
4687: d_ex_erreur_acces_fichier;
4688: return;
4689: }
4690:
4691: if (strcmp(protocole, "IPV4") == 0)
4692: { // Accès en IPv4
4693: resolution_courante = resolution;
4694:
4695: while(resolution_courante != NULL)
4696: {
4697: if ((*resolution_courante).ai_family ==
4698: AF_INET)
4699: {
4700: break;
4701: }
4702:
4703: resolution_courante = (*resolution_courante)
4704: .ai_next;
4705: }
4706:
4707: if (resolution_courante == NULL)
4708: {
4709: liberation(s_etat_processus, s_objet_argument);
4710: liberation(s_etat_processus, s_objet_resultat);
4711:
4712: freeaddrinfo(resolution);
4713:
4714: (*s_etat_processus).erreur_execution =
4715: d_ex_erreur_acces_fichier;
4716: return;
4717: }
4718:
4719: if (((*((struct_socket *)
4720: (*s_objet_resultat).objet))
4721: .socket = socket(PF_INET, type,
4722: protocole_numerique)) == -1)
4723: {
4724: liberation(s_etat_processus, s_objet_argument);
4725: liberation(s_etat_processus, s_objet_resultat);
4726:
4727: freeaddrinfo(resolution);
4728:
4729: (*s_etat_processus).erreur_execution =
4730: d_ex_erreur_acces_fichier;
4731: return;
4732: }
4733:
4734: (*((struct_socket *) (*s_objet_resultat).objet))
4735: .domaine = PF_INET;
4736:
4737: memset(&socket_ipv4, 0, sizeof(socket_ipv4));
4738: socket_ipv4.sin_family = AF_INET;
4739: socket_ipv4.sin_port = htons((uint16_t) port);
4740: socket_ipv4.sin_addr.s_addr =
4741: (*((struct sockaddr_in *)
4742: (*resolution_courante).ai_addr))
4743: .sin_addr.s_addr;
4744:
4745: if (options_socket() == d_erreur)
4746: {
4747: liberation(s_etat_processus, s_objet_argument);
4748: liberation(s_etat_processus, s_objet_resultat);
4749:
4750: freeaddrinfo(resolution);
4751: return;
4752: }
4753:
4754: if (bind((*((struct_socket *) (*s_objet_resultat)
4755: .objet)).socket, (const struct sockaddr *)
4756: &socket_ipv4, sizeof(socket_ipv4)) != 0)
4757: {
4758: liberation(s_etat_processus, s_objet_argument);
4759: liberation(s_etat_processus, s_objet_resultat);
4760:
4761: freeaddrinfo(resolution);
4762:
4763: (*s_etat_processus).erreur_execution =
4764: d_ex_erreur_acces_fichier;
4765: return;
4766: }
4767:
4768: if (((*((struct_socket *) (*s_objet_resultat)
4769: .objet)).adresse = malloc(22 *
4770: sizeof(unsigned char))) == NULL)
4771: {
4772: (*s_etat_processus).erreur_systeme =
4773: d_es_allocation_memoire;
4774: return;
4775: }
4776:
4777: sprintf((*((struct_socket *) (*s_objet_resultat)
4778: .objet)).adresse, "%d.%d.%d.%d",
4779: (ntohl((*((struct sockaddr_in *)
4780: (*resolution_courante).ai_addr)).sin_addr
4781: .s_addr) >> 24) & 0xFF,
4782: (ntohl((*((struct sockaddr_in *)
4783: (*resolution_courante).ai_addr)).sin_addr
4784: .s_addr) >> 16) & 0xFF,
4785: (ntohl((*((struct sockaddr_in *)
4786: (*resolution_courante).ai_addr)).sin_addr
4787: .s_addr) >> 8) & 0xFF,
4788: ntohl((*((struct sockaddr_in *)
4789: (*resolution_courante).ai_addr)).sin_addr
4790: .s_addr) & 0xFF);
4791: }
4792: else
4793: { // Accès en IPv6
4794: # ifdef IPV6
4795: resolution_courante = resolution;
4796:
4797: while(resolution_courante != NULL)
4798: {
4799: if ((*resolution_courante).ai_family ==
4800: AF_INET6)
4801: {
4802: break;
4803: }
4804:
4805: resolution_courante = (*resolution_courante)
4806: .ai_next;
4807: }
4808:
4809: if (resolution_courante == NULL)
4810: {
4811: liberation(s_etat_processus, s_objet_argument);
4812: liberation(s_etat_processus, s_objet_resultat);
4813:
4814: freeaddrinfo(resolution);
4815:
4816: (*s_etat_processus).erreur_execution =
4817: d_ex_erreur_acces_fichier;
4818: return;
4819: }
4820:
4821: if (((*((struct_socket *)
4822: (*s_objet_resultat).objet))
4823: .socket = socket(PF_INET6, type,
4824: protocole_numerique)) == -1)
4825: {
4826: liberation(s_etat_processus, s_objet_argument);
4827: liberation(s_etat_processus, s_objet_resultat);
4828:
4829: freeaddrinfo(resolution);
4830:
4831: (*s_etat_processus).erreur_execution =
4832: d_ex_erreur_acces_fichier;
4833: return;
4834: }
4835:
4836: (*((struct_socket *) (*s_objet_resultat).objet))
4837: .domaine = PF_INET6;
4838:
4839: memset(&socket_ipv6, 0, sizeof(socket_ipv6));
4840: socket_ipv6.sin6_family = AF_INET6;
4841: socket_ipv6.sin6_port = htons((uint16_t) port);
4842:
4843: for(i = 0; i < 16;
4844: socket_ipv6.sin6_addr.s6_addr[i] =
4845: (*((struct sockaddr_in6 *)
4846: (*resolution_courante).ai_addr))
4847: .sin6_addr.s6_addr[i], i++);
4848:
4849: if (options_socket() == d_erreur)
4850: {
4851: liberation(s_etat_processus, s_objet_argument);
4852: liberation(s_etat_processus, s_objet_resultat);
4853:
4854: freeaddrinfo(resolution);
4855: return;
4856: }
4857:
4858: if (bind((*((struct_socket *) (*s_objet_resultat)
4859: .objet)).socket, (const struct sockaddr *)
4860: &socket_ipv6, sizeof(socket_ipv6)) != 0)
4861: {
4862: liberation(s_etat_processus, s_objet_argument);
4863: liberation(s_etat_processus, s_objet_resultat);
4864:
4865: freeaddrinfo(resolution);
4866:
4867: (*s_etat_processus).erreur_execution =
4868: d_ex_erreur_acces_fichier;
4869: return;
4870: }
4871:
4872: if (((*((struct_socket *) (*s_objet_resultat)
4873: .objet)).adresse = malloc(55 *
4874: sizeof(unsigned char))) == NULL)
4875: {
4876: (*s_etat_processus).erreur_systeme =
4877: d_es_allocation_memoire;
4878: return;
4879: }
4880:
4881: for(i = 0; i < 16; i++)
4882: {
4883: sprintf((*((struct_socket *) (*s_objet_resultat)
4884: .objet)).adresse,
4885: (i == 0) ? "%s%X" : "%s:%X",
4886: (*((struct_socket *) (*s_objet_resultat)
4887: .objet)).adresse,
4888: (*((struct sockaddr_in6 *)
4889: (*resolution_courante).ai_addr))
4890: .sin6_addr.s6_addr[i]);
4891: }
4892: # else
4893: if ((*s_etat_processus).langue == 'F')
4894: {
4895: printf("+++Attention : Support du protocole"
4896: " IPv6 indisponible\n");
4897: }
4898: else
4899: {
4900: printf("+++Warning : IPv6 support "
4901: "unavailable\n");
4902: }
4903: # endif
4904: }
4905:
4906: freeaddrinfo(resolution);
4907:
4908: sprintf((*((struct_socket *) (*s_objet_resultat)
4909: .objet)).adresse, "%s(%u)",
4910: (*((struct_socket *) (*s_objet_resultat)
4911: .objet)).adresse, (unsigned int) port);
4912: }
4913: else
4914: { // Hôte défini par une adresse
4915: if (strcmp(protocole, "IPV4") == 0)
4916: { // Accès en IPv4
4917: if (((*((struct_socket *) (*s_objet_resultat)
4918: .objet)).adresse = malloc(22 *
4919: sizeof(unsigned char))) == NULL)
4920: {
4921: (*s_etat_processus).erreur_systeme =
4922: d_es_allocation_memoire;
4923: return;
4924: }
4925:
4926: (*((struct_socket *) (*s_objet_resultat).objet))
4927: .adresse[0] = d_code_fin_chaine;
4928:
4929: for(i = 0; i < 4; i++)
4930: {
4931: sprintf((*((struct_socket *) (*s_objet_resultat)
4932: .objet)).adresse,
4933: (i == 0) ? "%s%d" : "%s.%d",
4934: (*((struct_socket *) (*s_objet_resultat)
4935: .objet)).adresse, (int) adresse[i]);
4936: }
4937:
4938: sprintf((*((struct_socket *) (*s_objet_resultat)
4939: .objet)).adresse, "%s(%u)",
4940: (*((struct_socket *) (*s_objet_resultat)
4941: .objet)).adresse, (unsigned int) port);
4942:
4943: if (((*((struct_socket *)
4944: (*s_objet_resultat).objet))
4945: .socket = socket(PF_INET, type,
4946: protocole_numerique)) == -1)
4947: {
4948: liberation(s_etat_processus, s_objet_argument);
4949: liberation(s_etat_processus, s_objet_resultat);
4950:
4951: (*s_etat_processus).erreur_execution =
4952: d_ex_erreur_acces_fichier;
4953: return;
4954: }
4955:
4956: (*((struct_socket *) (*s_objet_resultat).objet))
4957: .domaine = PF_INET;
4958:
4959: memset(&socket_ipv4, 0, sizeof(socket_ipv4));
4960: socket_ipv4.sin_family = AF_INET;
4961: socket_ipv4.sin_port = htons((uint16_t) port);
4962:
4963: adresse_ipv4 = 0;
4964: for(i = 0; i < 4; adresse_ipv4 =
4965: (256 * adresse_ipv4) + adresse[i++]);
4966:
4967: socket_ipv4.sin_addr.s_addr = htonl(adresse_ipv4);
4968:
4969: if (options_socket() == d_erreur)
4970: {
4971: liberation(s_etat_processus, s_objet_argument);
4972: liberation(s_etat_processus, s_objet_resultat);
4973:
4974: return;
4975: }
4976:
4977: if (bind((*((struct_socket *) (*s_objet_resultat)
4978: .objet)).socket, (const struct sockaddr *)
4979: &socket_ipv4, sizeof(socket_ipv4)) != 0)
4980: {
4981: liberation(s_etat_processus, s_objet_argument);
4982: liberation(s_etat_processus, s_objet_resultat);
4983:
4984: (*s_etat_processus).erreur_execution =
4985: d_ex_erreur_acces_fichier;
4986: return;
4987: }
4988: }
4989: else
4990: { // Accès en IPv6
4991: # ifdef IPV6
4992: if (((*((struct_socket *) (*s_objet_resultat)
4993: .objet)).adresse = malloc(55 *
4994: sizeof(unsigned char))) == NULL)
4995: {
4996: (*s_etat_processus).erreur_systeme =
4997: d_es_allocation_memoire;
4998: return;
4999: }
5000:
5001: (*((struct_socket *) (*s_objet_resultat).objet))
5002: .adresse[0] = d_code_fin_chaine;
5003:
5004: for(i = 0; i < 16; i++)
5005: {
5006: sprintf((*((struct_socket *) (*s_objet_resultat)
5007: .objet)).adresse,
5008: (i == 0) ? "%s%X" : "%s:%X",
5009: (*((struct_socket *) (*s_objet_resultat)
5010: .objet)).adresse, (unsigned int)
5011: adresse[i]);
5012: }
5013:
5014: sprintf((*((struct_socket *) (*s_objet_resultat)
5015: .objet)).adresse, "%s(%u)",
5016: (*((struct_socket *) (*s_objet_resultat)
5017: .objet)).adresse, (unsigned int) port);
5018:
5019: if (((*((struct_socket *)
5020: (*s_objet_resultat).objet))
5021: .socket = socket(PF_INET6, type,
5022: protocole_numerique)) == -1)
5023: {
5024: liberation(s_etat_processus, s_objet_argument);
5025: liberation(s_etat_processus, s_objet_resultat);
5026:
5027: (*s_etat_processus).erreur_execution =
5028: d_ex_erreur_acces_fichier;
5029: return;
5030: }
5031:
5032: (*((struct_socket *) (*s_objet_resultat).objet))
5033: .domaine = PF_INET6;
5034:
5035: memset(&socket_ipv6, 0, sizeof(socket_ipv6));
5036: socket_ipv6.sin6_family = AF_INET6;
5037: socket_ipv6.sin6_port = htons((uint16_t) port);
5038:
5039: for(i = 0; i < 16;
5040: socket_ipv6.sin6_addr.s6_addr[i] =
5041: (unsigned char) (adresse[i]), i++);
5042:
5043: if (options_socket() == d_erreur)
5044: {
5045: liberation(s_etat_processus, s_objet_argument);
5046: liberation(s_etat_processus, s_objet_resultat);
5047:
5048: return;
5049: }
5050:
5051: if (bind((*((struct_socket *) (*s_objet_resultat)
5052: .objet)).socket, (const struct sockaddr *)
5053: &socket_ipv6, sizeof(socket_ipv6)) != 0)
5054: {
5055: liberation(s_etat_processus, s_objet_argument);
5056: liberation(s_etat_processus, s_objet_resultat);
5057:
5058: (*s_etat_processus).erreur_execution =
5059: d_ex_erreur_acces_fichier;
5060: return;
5061: }
5062: # else
5063: if ((*s_etat_processus).langue == 'F')
5064: {
5065: printf("+++Attention : Support du protocole"
5066: " IPv6 indisponible\n");
5067: }
5068: else
5069: {
5070: printf("+++Warning : IPv6 support "
5071: "unavailable\n");
5072: }
5073: # endif
5074: }
5075: }
5076:
5077: (*((struct_socket *) (*s_objet_resultat).objet)).effacement
5078: = 'N';
5079: }
5080:
5081: if ((type_socket == 'S') || (type_socket == 'Q'))
5082: {
5083: if (listen((*((struct_socket *) (*s_objet_resultat).objet))
5084: .socket, (int) nombre_maximal_connexions) != 0)
5085: {
5086: liberation(s_etat_processus, s_objet_argument);
5087: liberation(s_etat_processus, s_objet_resultat);
5088:
5089: (*s_etat_processus).erreur_execution =
5090: d_ex_erreur_acces_fichier;
5091: return;
5092: }
5093:
5094: (*((struct_socket *) (*s_objet_resultat).objet))
5095: .socket_connectee = d_vrai;
5096:
5097: if (protection == 'R')
5098: { // WRITEONLY
5099: if (shutdown((*((struct_socket *) (*s_objet_resultat)
5100: .objet)).socket, SHUT_RD) != 0)
5101: {
5102: liberation(s_etat_processus, s_objet_argument);
5103: liberation(s_etat_processus, s_objet_resultat);
5104:
5105: (*s_etat_processus).erreur_execution =
5106: d_ex_erreur_acces_fichier;
5107: return;
5108: }
5109: }
5110: else if (protection == 'W')
5111: { // READONLY
5112: if (shutdown((*((struct_socket *) (*s_objet_resultat)
5113: .objet)).socket, SHUT_WR) != 0)
5114: {
5115: liberation(s_etat_processus, s_objet_argument);
5116: liberation(s_etat_processus, s_objet_resultat);
5117:
5118: (*s_etat_processus).erreur_execution =
5119: d_ex_erreur_acces_fichier;
5120: return;
5121: }
5122: }
5123: else
5124: { // READWRITE
5125: }
5126: }
5127: }
5128: else
5129: { // Socket cliente
5130: (*((struct_socket *) (*s_objet_resultat).objet)).effacement
5131: = 'N';
5132:
5133: /*
5134: * Dans le cas où la socket n'est pas connectée, on
5135: * ne peut utiliser ni "NAME", ni "HOST", ni "PORT",
5136: * et encore moins spécifier une adresse. En effet, la cible
5137: * est défini par la commande TARGET.
5138: */
5139:
5140: if ((type_socket != 'S') && (type_socket != 'Q'))
5141: {
5142: if ((presence_port == d_vrai) || (hote != NULL) ||
5143: (nom != NULL) || (type_adresse != ' '))
5144: {
5145: liberation(s_etat_processus, s_objet_argument);
5146: liberation(s_etat_processus, s_objet_resultat);
5147:
5148: (*s_etat_processus).erreur_execution =
5149: d_ex_erreur_parametre_fichier;
5150: return;
5151: }
5152: }
5153:
5154: if (nom != NULL)
5155: {
5156: /*
5157: * La socket est dans l'espace des noms.
5158: */
5159:
5160: if (((*((struct_socket *) (*s_objet_resultat).objet))
5161: .socket = socket(PF_UNIX, type,
5162: protocole_numerique)) == -1)
5163: {
5164: liberation(s_etat_processus, s_objet_argument);
5165: liberation(s_etat_processus, s_objet_resultat);
5166:
5167: (*s_etat_processus).erreur_execution =
5168: d_ex_erreur_acces_fichier;
5169: return;
5170: }
5171:
5172: (*((struct_socket *) (*s_objet_resultat).objet))
5173: .domaine = PF_UNIX;
5174:
5175: socket_unix.sun_family = AF_UNIX;
5176: strncpy(socket_unix.sun_path, (*((struct_socket *)
5177: (*s_objet_resultat).objet)).adresse, UNIX_PATH_MAX);
5178: socket_unix.sun_path[UNIX_PATH_MAX - 1] = d_code_fin_chaine;
5179:
5180: if ((type_socket == 'S') || (type_socket == 'Q'))
5181: {
5182: if (connect((*((struct_socket *) (*s_objet_resultat)
5183: .objet)).socket, (const struct sockaddr *)
5184: &socket_unix, sizeof(socket_unix)) != 0)
5185: {
5186: liberation(s_etat_processus, s_objet_argument);
5187: liberation(s_etat_processus, s_objet_resultat);
5188:
5189: (*s_etat_processus).erreur_execution =
5190: d_ex_erreur_acces_fichier;
5191: return;
5192: }
5193:
5194: (*((struct_socket *) (*s_objet_resultat).objet))
5195: .socket_connectee = d_vrai;
5196: (*((struct_socket *) (*s_objet_resultat).objet))
5197: .socket_en_ecoute = 'N';
5198: }
5199: }
5200: else
5201: {
5202: /*
5203: * La socket est une socket réseau. L'adresse
5204: * passée en argument est l'adresse sur laquelle
5205: * cette socket est à l'écoute.
5206: */
5207:
5208: if (hote != NULL)
5209: { // Hôte défini par un nom
5210: resolution = NULL;
5211:
5212: if (getaddrinfo(hote, NULL, NULL, &resolution) != 0)
5213: {
5214: liberation(s_etat_processus, s_objet_argument);
5215: liberation(s_etat_processus, s_objet_resultat);
5216:
5217: if (resolution != NULL)
5218: {
5219: freeaddrinfo(resolution);
5220: }
5221:
5222: (*s_etat_processus).erreur_execution =
5223: d_ex_erreur_acces_fichier;
5224: return;
5225: }
5226:
5227: if (strcmp(protocole, "IPV4") == 0)
5228: { // Accès en IPv4
5229: resolution_courante = resolution;
5230:
5231: while(resolution_courante != NULL)
5232: {
5233: if ((*resolution_courante).ai_family ==
5234: AF_INET)
5235: {
5236: break;
5237: }
5238:
5239: resolution_courante = (*resolution_courante)
5240: .ai_next;
5241: }
5242:
5243: if (resolution_courante == NULL)
5244: {
5245: liberation(s_etat_processus, s_objet_argument);
5246: liberation(s_etat_processus, s_objet_resultat);
5247:
5248: freeaddrinfo(resolution);
5249:
5250: (*s_etat_processus).erreur_execution =
5251: d_ex_erreur_acces_fichier;
5252: return;
5253: }
5254:
5255: if (((*((struct_socket *)
5256: (*s_objet_resultat).objet))
5257: .socket = socket(PF_INET, type,
5258: protocole_numerique)) == -1)
5259: {
5260: liberation(s_etat_processus, s_objet_argument);
5261: liberation(s_etat_processus, s_objet_resultat);
5262:
5263: freeaddrinfo(resolution);
5264:
5265: (*s_etat_processus).erreur_execution =
5266: d_ex_erreur_acces_fichier;
5267: return;
5268: }
5269:
5270: (*((struct_socket *) (*s_objet_resultat).objet))
5271: .domaine = PF_INET;
5272:
5273: memset(&socket_ipv4, 0, sizeof(socket_ipv4));
5274: socket_ipv4.sin_family = AF_INET;
5275: socket_ipv4.sin_port = htons((uint16_t) port);
5276: socket_ipv4.sin_addr.s_addr =
5277: (*((struct sockaddr_in *)
5278: (*resolution_courante).ai_addr))
5279: .sin_addr.s_addr;
5280:
5281: if ((type_socket == 'S') || (type_socket == 'Q'))
5282: {
5283: if (connect((*((struct_socket *)
5284: (*s_objet_resultat).objet)).socket,
5285: (const struct sockaddr *)
5286: &socket_ipv4, sizeof(socket_ipv4)) != 0)
5287: {
5288: liberation(s_etat_processus,
5289: s_objet_argument);
5290: liberation(s_etat_processus,
5291: s_objet_resultat);
5292:
5293: freeaddrinfo(resolution);
5294:
5295: (*s_etat_processus).erreur_execution =
5296: d_ex_erreur_acces_fichier;
5297: return;
5298: }
5299:
5300: (*((struct_socket *) (*s_objet_resultat).objet))
5301: .socket_connectee = d_vrai;
5302: (*((struct_socket *) (*s_objet_resultat).objet))
5303: .socket_en_ecoute = 'N';
5304: }
5305:
5306: if (((*((struct_socket *) (*s_objet_resultat)
5307: .objet)).adresse = malloc(22 *
5308: sizeof(unsigned char))) == NULL)
5309: {
5310: (*s_etat_processus).erreur_systeme =
5311: d_es_allocation_memoire;
5312: return;
5313: }
5314:
5315: sprintf((*((struct_socket *) (*s_objet_resultat)
5316: .objet)).adresse, "%d.%d.%d.%d",
5317: (ntohl((*((struct sockaddr_in *)
5318: (*resolution_courante).ai_addr)).sin_addr
5319: .s_addr) >> 24) & 0xFF,
5320: (ntohl((*((struct sockaddr_in *)
5321: (*resolution_courante).ai_addr)).sin_addr
5322: .s_addr) >> 16) & 0xFF,
5323: (ntohl((*((struct sockaddr_in *)
5324: (*resolution_courante).ai_addr)).sin_addr
5325: .s_addr) >> 8) & 0xFF,
5326: ntohl((*((struct sockaddr_in *)
5327: (*resolution_courante).ai_addr)).sin_addr
5328: .s_addr) & 0xFF);
5329: }
5330: else
5331: { // Accès en IPv6
5332: # ifdef IPV6
5333: resolution_courante = resolution;
5334:
5335: while(resolution_courante != NULL)
5336: {
5337: if ((*resolution_courante).ai_family ==
5338: AF_INET6)
5339: {
5340: break;
5341: }
5342:
5343: resolution_courante = (*resolution_courante)
5344: .ai_next;
5345: }
5346:
5347: if (resolution_courante == NULL)
5348: {
5349: liberation(s_etat_processus, s_objet_argument);
5350: liberation(s_etat_processus, s_objet_resultat);
5351:
5352: freeaddrinfo(resolution);
5353:
5354: (*s_etat_processus).erreur_execution =
5355: d_ex_erreur_acces_fichier;
5356: return;
5357: }
5358:
5359: if (((*((struct_socket *)
5360: (*s_objet_resultat).objet))
5361: .socket = socket(PF_INET6, type,
5362: protocole_numerique)) == -1)
5363: {
5364: liberation(s_etat_processus, s_objet_argument);
5365: liberation(s_etat_processus, s_objet_resultat);
5366:
5367: freeaddrinfo(resolution);
5368:
5369: (*s_etat_processus).erreur_execution =
5370: d_ex_erreur_acces_fichier;
5371: return;
5372: }
5373:
5374: (*((struct_socket *) (*s_objet_resultat).objet))
5375: .domaine = PF_INET6;
5376:
5377: memset(&socket_ipv6, 0, sizeof(socket_ipv6));
5378: socket_ipv6.sin6_family = AF_INET6;
5379: socket_ipv6.sin6_port = htons((uint16_t) port);
5380:
5381: for(i = 0; i < 16;
5382: socket_ipv6.sin6_addr.s6_addr[i] =
5383: (*((struct sockaddr_in6 *)
5384: (*resolution_courante).ai_addr))
5385: .sin6_addr.s6_addr[i], i++);
5386:
5387: if ((type_socket == 'S') || (type_socket == 'Q'))
5388: {
5389: if (connect((*((struct_socket *)
5390: (*s_objet_resultat).objet)).socket,
5391: (const struct sockaddr *)
5392: &socket_ipv6, sizeof(socket_ipv6)) != 0)
5393: {
5394: liberation(s_etat_processus,
5395: s_objet_argument);
5396: liberation(s_etat_processus,
5397: s_objet_resultat);
5398:
5399: freeaddrinfo(resolution);
5400:
5401: (*s_etat_processus).erreur_execution =
5402: d_ex_erreur_acces_fichier;
5403: return;
5404: }
5405:
5406: (*((struct_socket *) (*s_objet_resultat).objet))
5407: .socket_connectee = d_vrai;
5408: (*((struct_socket *) (*s_objet_resultat).objet))
5409: .socket_en_ecoute = 'N';
5410: }
5411:
5412: if (((*((struct_socket *) (*s_objet_resultat)
5413: .objet)).adresse = malloc(55 *
5414: sizeof(unsigned char))) == NULL)
5415: {
5416: (*s_etat_processus).erreur_systeme =
5417: d_es_allocation_memoire;
5418: return;
5419: }
5420:
5421: for(i = 0; i < 16; i++)
5422: {
5423: sprintf((*((struct_socket *) (*s_objet_resultat)
5424: .objet)).adresse,
5425: (i == 0) ? "%s%X" : "%s:%X",
5426: (*((struct_socket *) (*s_objet_resultat)
5427: .objet)).adresse,
5428: (*((struct sockaddr_in6 *)
5429: (*resolution_courante).ai_addr))
5430: .sin6_addr.s6_addr[i]);
5431: }
5432: # else
5433: if ((*s_etat_processus).langue == 'F')
5434: {
5435: printf("+++Attention : Support du protocole"
5436: " IPv6 indisponible\n");
5437: }
5438: else
5439: {
5440: printf("+++Warning : IPv6 support "
5441: "unavailable\n");
5442: }
5443: # endif
5444: }
5445:
5446: freeaddrinfo(resolution);
5447:
5448: sprintf((*((struct_socket *) (*s_objet_resultat)
5449: .objet)).adresse, "%s(%u)",
5450: (*((struct_socket *) (*s_objet_resultat)
5451: .objet)).adresse, (unsigned int) port);
5452: }
5453: else
5454: { // Hôte défini par une adresse
5455: if (strcmp(protocole, "IPV4") == 0)
5456: { // Accès en IPv4
5457: if (type_adresse == '4')
5458: {
5459: if (((*((struct_socket *) (*s_objet_resultat)
5460: .objet)).adresse = malloc(22 *
5461: sizeof(unsigned char))) == NULL)
5462: {
5463: (*s_etat_processus).erreur_systeme =
5464: d_es_allocation_memoire;
5465: return;
5466: }
5467:
5468: (*((struct_socket *) (*s_objet_resultat).objet))
5469: .adresse[0] = d_code_fin_chaine;
5470:
5471: for(i = 0; i < 4; i++)
5472: {
5473: sprintf((*((struct_socket *)
5474: (*s_objet_resultat).objet)).adresse,
5475: (i == 0) ? "%s%d" : "%s.%d",
5476: (*((struct_socket *)
5477: (*s_objet_resultat)
5478: .objet)).adresse, (int) adresse[i]);
5479: }
5480:
5481: sprintf((*((struct_socket *) (*s_objet_resultat)
5482: .objet)).adresse, "%s(%u)",
5483: (*((struct_socket *) (*s_objet_resultat)
5484: .objet)).adresse, (unsigned int) port);
5485: }
5486: else
5487: {
5488: if (((*((struct_socket *) (*s_objet_resultat)
5489: .objet)).adresse = malloc(
5490: sizeof(unsigned char))) == NULL)
5491: {
5492: (*s_etat_processus).erreur_systeme =
5493: d_es_allocation_memoire;
5494: return;
5495: }
5496:
5497: (*((struct_socket *) (*s_objet_resultat).objet))
5498: .adresse[0] = d_code_fin_chaine;
5499: }
5500:
5501: if (((*((struct_socket *)
5502: (*s_objet_resultat).objet))
5503: .socket = socket(PF_INET, type,
5504: protocole_numerique)) == -1)
5505: {
5506: liberation(s_etat_processus, s_objet_argument);
5507: liberation(s_etat_processus, s_objet_resultat);
5508:
5509: (*s_etat_processus).erreur_execution =
5510: d_ex_erreur_acces_fichier;
5511: return;
5512: }
5513:
5514: (*((struct_socket *) (*s_objet_resultat).objet))
5515: .domaine = PF_INET;
5516:
5517: memset(&socket_ipv4, 0, sizeof(socket_ipv4));
5518: socket_ipv4.sin_family = AF_INET;
5519: socket_ipv4.sin_port = htons((uint16_t) port);
5520:
5521: adresse_ipv4 = 0;
5522: for(i = 0; i < 4; adresse_ipv4 =
5523: (256 * adresse_ipv4) + adresse[i++]);
5524:
5525: socket_ipv4.sin_addr.s_addr = htonl(adresse_ipv4);
5526:
5527: if ((type_socket == 'S') || (type_socket == 'Q'))
5528: {
5529: if (connect((*((struct_socket *)
5530: (*s_objet_resultat).objet)).socket,
5531: (const struct sockaddr *)
5532: &socket_ipv4, sizeof(socket_ipv4)) != 0)
5533: {
5534: liberation(s_etat_processus,
5535: s_objet_argument);
5536: liberation(s_etat_processus,
5537: s_objet_resultat);
5538:
5539: (*s_etat_processus).erreur_execution =
5540: d_ex_erreur_acces_fichier;
5541: return;
5542: }
5543:
5544: (*((struct_socket *) (*s_objet_resultat).objet))
5545: .socket_connectee = d_vrai;
5546: (*((struct_socket *) (*s_objet_resultat).objet))
5547: .socket_en_ecoute = 'N';
5548: }
5549: }
5550: else if (strcmp(protocole, "IPV6") == 0)
5551: { // Accès en IPv6
5552: # ifdef IPV6
5553: if (type_adresse == '6')
5554: {
5555: if (((*((struct_socket *) (*s_objet_resultat)
5556: .objet)).adresse = malloc(55 *
5557: sizeof(unsigned char))) == NULL)
5558: {
5559: (*s_etat_processus).erreur_systeme =
5560: d_es_allocation_memoire;
5561: return;
5562: }
5563:
5564: (*((struct_socket *) (*s_objet_resultat).objet))
5565: .adresse[0] = d_code_fin_chaine;
5566:
5567: for(i = 0; i < 16; i++)
5568: {
5569: sprintf((*((struct_socket *)
5570: (*s_objet_resultat).objet)).adresse,
5571: (i == 0) ? "%s%X" : "%s:%X",
5572: (*((struct_socket *)
5573: (*s_objet_resultat)
5574: .objet)).adresse, (unsigned int)
5575: adresse[i]);
5576: }
5577:
5578: sprintf((*((struct_socket *) (*s_objet_resultat)
5579: .objet)).adresse, "%s(%u)",
5580: (*((struct_socket *) (*s_objet_resultat)
5581: .objet)).adresse, (unsigned int) port);
5582: }
5583: else
5584: {
5585: if (((*((struct_socket *) (*s_objet_resultat)
5586: .objet)).adresse = malloc(
5587: sizeof(unsigned char))) == NULL)
5588: {
5589: (*s_etat_processus).erreur_systeme =
5590: d_es_allocation_memoire;
5591: return;
5592: }
5593:
5594: (*((struct_socket *) (*s_objet_resultat).objet))
5595: .adresse[0] = d_code_fin_chaine;
5596: }
5597:
5598: if (((*((struct_socket *)
5599: (*s_objet_resultat).objet))
5600: .socket = socket(PF_INET6, type,
5601: protocole_numerique)) == -1)
5602: {
5603: liberation(s_etat_processus, s_objet_argument);
5604: liberation(s_etat_processus, s_objet_resultat);
5605:
5606: (*s_etat_processus).erreur_execution =
5607: d_ex_erreur_acces_fichier;
5608: return;
5609: }
5610:
5611: (*((struct_socket *) (*s_objet_resultat).objet))
5612: .domaine = PF_INET6;
5613:
5614: memset(&socket_ipv6, 0, sizeof(socket_ipv6));
5615: socket_ipv6.sin6_family = AF_INET6;
5616: socket_ipv6.sin6_port = htons((uint16_t) port);
5617:
5618: for(i = 0; i < 16;
5619: socket_ipv6.sin6_addr.s6_addr[i] =
5620: (unsigned char) (adresse[i]), i++);
5621:
5622: if ((type_socket == 'S') || (type_socket == 'Q'))
5623: {
5624: if (connect((*((struct_socket *)
5625: (*s_objet_resultat).objet)).socket,
5626: (const struct sockaddr *)
5627: &socket_ipv6, sizeof(socket_ipv6)) != 0)
5628: {
5629: liberation(s_etat_processus,
5630: s_objet_argument);
5631: liberation(s_etat_processus,
5632: s_objet_resultat);
5633:
5634: (*s_etat_processus).erreur_execution =
5635: d_ex_erreur_acces_fichier;
5636: return;
5637: }
5638:
5639: (*((struct_socket *) (*s_objet_resultat).objet))
5640: .socket_connectee = d_vrai;
5641: (*((struct_socket *) (*s_objet_resultat).objet))
5642: .socket_en_ecoute = 'N';
5643: }
5644: # else
5645: if ((*s_etat_processus).langue == 'F')
5646: {
5647: printf("+++Attention : Support du protocole"
5648: " IPv6 indisponible\n");
5649: }
5650: else
5651: {
5652: printf("+++Warning : IPv6 support "
5653: "unavailable\n");
5654: }
5655: # endif
5656: }
5657: else
5658: { // Socket UNIX
5659: if (((*((struct_socket *) (*s_objet_resultat)
5660: .objet)).adresse = malloc(
5661: sizeof(unsigned char))) == NULL)
5662: {
5663: (*s_etat_processus).erreur_systeme =
5664: d_es_allocation_memoire;
5665: return;
5666: }
5667:
5668: (*((struct_socket *) (*s_objet_resultat).objet))
5669: .adresse[0] = d_code_fin_chaine;
5670:
5671: if (((*((struct_socket *)
5672: (*s_objet_resultat).objet))
5673: .socket = socket(PF_UNIX, type,
5674: protocole_numerique)) == -1)
5675: {
5676: liberation(s_etat_processus, s_objet_argument);
5677: liberation(s_etat_processus, s_objet_resultat);
5678:
5679: (*s_etat_processus).erreur_execution =
5680: d_ex_erreur_acces_fichier;
5681: return;
5682: }
5683: }
5684: }
5685:
5686: (*((struct_socket *) (*s_objet_resultat).objet)).effacement
5687: = 'N';
5688: }
5689:
5690: if ((type_socket == 'S') || (type_socket == 'Q'))
5691: {
5692: if (protection == 'R')
5693: { // WRITEONLY
5694: if (shutdown((*((struct_socket *) (*s_objet_resultat)
5695: .objet)).socket, SHUT_RD) != 0)
5696: {
5697: liberation(s_etat_processus, s_objet_argument);
5698: liberation(s_etat_processus, s_objet_resultat);
5699:
5700: (*s_etat_processus).erreur_execution =
5701: d_ex_erreur_acces_fichier;
5702: return;
5703: }
5704: }
5705: else if (protection == 'W')
5706: { // READONLY
5707: if (shutdown((*((struct_socket *) (*s_objet_resultat)
5708: .objet)).socket, SHUT_WR) != 0)
5709: {
5710: liberation(s_etat_processus, s_objet_argument);
5711: liberation(s_etat_processus, s_objet_resultat);
5712:
5713: (*s_etat_processus).erreur_execution =
5714: d_ex_erreur_acces_fichier;
5715: return;
5716: }
5717: }
5718: else
5719: { // READWRITE
5720: }
5721: }
5722: }
5723:
5724: /*
5725: * Gestion de la liste des sockets ouvertes
5726: */
5727:
5728: l_element_courant = (*s_etat_processus).s_sockets;
5729:
5730: if (l_element_courant == NULL)
5731: {
5732: if (((*s_etat_processus).s_sockets =
5733: allocation_maillon(s_etat_processus)) == NULL)
5734: {
5735: (*s_etat_processus).erreur_systeme =
5736: d_es_allocation_memoire;
5737: return;
5738: }
5739:
5740: (*(*s_etat_processus).s_sockets).suivant = NULL;
5741: l_element_courant = (*s_etat_processus).s_sockets;
5742: }
5743: else
5744: {
5745: /*
5746: * Ajout d'un élément à la fin de la liste chaînée
5747: */
5748:
5749: while((*l_element_courant).suivant != NULL)
5750: {
5751: l_element_courant = (*l_element_courant).suivant;
5752: }
5753:
5754: if (((*l_element_courant).suivant =
5755: allocation_maillon(s_etat_processus)) == NULL)
5756: {
5757: (*s_etat_processus).erreur_systeme =
5758: d_es_allocation_memoire;
5759: return;
5760: }
5761:
5762: l_element_courant = (*l_element_courant).suivant;
5763: (*l_element_courant).suivant = NULL;
5764: }
5765:
5766: if (((*l_element_courant).donnee = copie_objet(s_etat_processus,
5767: s_objet_resultat, 'O')) == NULL)
5768: {
5769: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
5770: return;
5771: }
5772:
5773: liberation(s_etat_processus, s_objet_argument);
5774: }
5775: else
5776: {
5777: liberation(s_etat_processus, s_objet_argument);
5778:
5779: (*s_etat_processus).erreur_execution =
5780: d_ex_erreur_parametre_fichier;
5781: return;
5782: }
5783: }
5784: else if ((*s_objet_argument).type == CHN)
5785: {
5786: if ((s_objet_resultat = allocation(s_etat_processus, SPH)) == NULL)
5787: {
5788: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
5789: return;
5790: }
5791:
5792: if (((*((struct_semaphore *) (*s_objet_resultat).objet)).nom =
5793: malloc((strlen((unsigned char *) (*s_objet_argument).objet)
5794: + 1) *sizeof(unsigned char))) == NULL)
5795: {
5796: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
5797: return;
5798: }
5799:
5800: strcpy((*((struct_semaphore *) (*s_objet_resultat).objet)).nom,
5801: (unsigned char *) (*s_objet_argument).objet);
5802:
5803: if (((*((struct_semaphore *) (*s_objet_resultat).objet)).semaphore =
5804: sem_open((*((struct_semaphore *) (*s_objet_resultat).objet))
5805: .nom, 0)) == SEM_FAILED)
5806: {
5807: if (errno == ENOMEM)
5808: {
5809: (*s_etat_processus).erreur_systeme = d_es_allocation_memoire;
5810: return;
5811: }
5812:
5813: (*s_etat_processus).erreur_execution = d_ex_semaphore;
5814:
5815: liberation(s_etat_processus, s_objet_argument);
5816: liberation(s_etat_processus, s_objet_resultat);
5817: return;
5818: }
5819: }
5820: else
5821: {
5822: liberation(s_etat_processus, s_objet_argument);
5823:
5824: (*s_etat_processus).erreur_execution = d_ex_erreur_type_argument;
5825: return;
5826: }
5827:
5828: if (empilement(s_etat_processus, &((*s_etat_processus).l_base_pile),
5829: s_objet_resultat) == d_erreur)
5830: {
5831: return;
5832: }
5833:
5834: return;
5835: }
5836:
5837: // vim: ts=4
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