Annotation of src/usr.bin/cvs/entries.c, Revision 1.98
1.98 ! joris 1: /* $OpenBSD: entries.c,v 1.97 2008/06/11 02:19:13 tobias Exp $ */
1.1 jfb 2: /*
1.57 joris 3: * Copyright (c) 2006 Joris Vink <joris@openbsd.org>
1.1 jfb 4: *
1.57 joris 5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 jfb 16: */
17:
1.75 otto 18: #include <errno.h>
19: #include <string.h>
1.83 chl 20: #include <time.h>
1.75 otto 21: #include <unistd.h>
1.1 jfb 22:
1.34 xsa 23: #include "cvs.h"
1.81 joris 24: #include "remote.h"
1.1 jfb 25:
1.42 xsa 26: #define CVS_ENTRIES_NFIELDS 6
27: #define CVS_ENTRIES_DELIM '/'
1.1 jfb 28:
1.57 joris 29: static struct cvs_ent_line *ent_get_line(CVSENTRIES *, const char *);
1.1 jfb 30:
1.98 ! joris 31: CVSENTRIES *current_list = NULL;
! 32:
1.42 xsa 33: CVSENTRIES *
1.57 joris 34: cvs_ent_open(const char *dir)
1.1 jfb 35: {
1.57 joris 36: FILE *fp;
37: CVSENTRIES *ep;
38: char *p, buf[MAXPATHLEN];
1.1 jfb 39: struct cvs_ent *ent;
1.57 joris 40: struct cvs_ent_line *line;
1.36 xsa 41:
1.98 ! joris 42: cvs_log(LP_TRACE, "cvs_ent_open(%s)", dir);
1.52 joris 43:
1.73 xsa 44: (void)xsnprintf(buf, sizeof(buf), "%s/%s", dir, CVS_PATH_ENTRIES);
1.64 xsa 45:
1.98 ! joris 46: if (current_list != NULL && !strcmp(current_list->cef_path, buf))
! 47: return (current_list);
! 48:
! 49: if (current_list != NULL) {
! 50: cvs_ent_close(current_list, ENT_SYNC);
! 51: current_list = NULL;
! 52: }
! 53:
! 54: ep = (CVSENTRIES *)xcalloc(1, sizeof(*ep));
1.57 joris 55: ep->cef_path = xstrdup(buf);
1.8 jfb 56:
1.73 xsa 57: (void)xsnprintf(buf, sizeof(buf), "%s/%s",
58: dir, CVS_PATH_BACKUPENTRIES);
1.64 xsa 59:
1.57 joris 60: ep->cef_bpath = xstrdup(buf);
1.3 jfb 61:
1.73 xsa 62: (void)xsnprintf(buf, sizeof(buf), "%s/%s", dir, CVS_PATH_LOGENTRIES);
1.64 xsa 63:
1.57 joris 64: ep->cef_lpath = xstrdup(buf);
1.1 jfb 65:
1.4 jfb 66: TAILQ_INIT(&(ep->cef_ent));
1.3 jfb 67:
1.57 joris 68: if ((fp = fopen(ep->cef_path, "r")) != NULL) {
69: while (fgets(buf, sizeof(buf), fp)) {
1.84 gilles 70: buf[strcspn(buf, "\n")] = '\0';
1.57 joris 71:
72: if (buf[0] == 'D' && buf[1] == '\0')
73: break;
74:
75: line = (struct cvs_ent_line *)xmalloc(sizeof(*line));
76: line->buf = xstrdup(buf);
77: TAILQ_INSERT_TAIL(&(ep->cef_ent), line, entries_list);
78: }
1.52 joris 79:
1.25 jfb 80: (void)fclose(fp);
1.12 jfb 81: }
1.1 jfb 82:
1.57 joris 83: if ((fp = fopen(ep->cef_lpath, "r")) != NULL) {
84: while (fgets(buf, sizeof(buf), fp)) {
1.84 gilles 85: buf[strcspn(buf, "\n")] = '\0';
1.57 joris 86:
1.87 tobias 87: if (strlen(buf) < 2)
88: fatal("cvs_ent_open: %s: malformed line %s",
89: ep->cef_lpath, buf);
90:
91: p = &buf[2];
1.57 joris 92:
93: if (buf[0] == 'A') {
94: line = xmalloc(sizeof(*line));
95: line->buf = xstrdup(p);
96: TAILQ_INSERT_TAIL(&(ep->cef_ent), line,
97: entries_list);
98: } else if (buf[0] == 'R') {
99: ent = cvs_ent_parse(p);
100: line = ent_get_line(ep, ent->ce_name);
1.65 joris 101: if (line != NULL) {
1.57 joris 102: TAILQ_REMOVE(&(ep->cef_ent), line,
103: entries_list);
1.65 joris 104: xfree(line->buf);
105: xfree(line);
106: }
1.57 joris 107: cvs_ent_free(ent);
108: }
109: }
1.4 jfb 110:
1.52 joris 111: (void)fclose(fp);
112: }
1.12 jfb 113:
1.98 ! joris 114: current_list = ep;
1.1 jfb 115: return (ep);
116: }
117:
1.57 joris 118: struct cvs_ent *
119: cvs_ent_parse(const char *entry)
1.1 jfb 120: {
1.57 joris 121: int i;
1.91 joris 122: struct tm t, dt;
1.5 jfb 123: struct cvs_ent *ent;
1.96 tobias 124: char *fields[CVS_ENTRIES_NFIELDS], *buf, *sp, *dp, *p;
1.5 jfb 125:
1.72 joris 126: buf = sp = xstrdup(entry);
1.57 joris 127: i = 0;
128: do {
129: dp = strchr(sp, CVS_ENTRIES_DELIM);
130: if (dp != NULL)
131: *(dp++) = '\0';
132: fields[i++] = sp;
133: sp = dp;
134: } while (dp != NULL && i < CVS_ENTRIES_NFIELDS);
1.8 jfb 135:
1.57 joris 136: if (i < CVS_ENTRIES_NFIELDS)
137: fatal("missing fields in entry line '%s'", entry);
1.5 jfb 138:
1.72 joris 139: ent = xmalloc(sizeof(*ent));
1.57 joris 140: ent->ce_buf = buf;
1.52 joris 141:
1.57 joris 142: if (*fields[0] == '\0')
143: ent->ce_type = CVS_ENT_FILE;
144: else if (*fields[0] == 'D')
145: ent->ce_type = CVS_ENT_DIR;
146: else
147: ent->ce_type = CVS_ENT_NONE;
148:
149: ent->ce_status = CVS_ENT_REG;
150: ent->ce_name = fields[1];
151: ent->ce_rev = NULL;
1.92 joris 152: ent->ce_date = -1;
153: ent->ce_tag = NULL;
1.5 jfb 154:
1.57 joris 155: if (ent->ce_type == CVS_ENT_FILE) {
156: if (*fields[2] == '-') {
157: ent->ce_status = CVS_ENT_REMOVED;
158: sp = fields[2] + 1;
159: } else {
160: sp = fields[2];
161: if (fields[2][0] == '0' && fields[2][1] == '\0')
162: ent->ce_status = CVS_ENT_ADDED;
163: }
1.1 jfb 164:
1.57 joris 165: if ((ent->ce_rev = rcsnum_parse(sp)) == NULL)
166: fatal("failed to parse entry revision '%s'", entry);
1.1 jfb 167:
1.72 joris 168: if (fields[3][0] == '\0' ||
1.77 ray 169: strncmp(fields[3], CVS_DATE_DUMMY, sizeof(CVS_DATE_DUMMY) - 1) == 0 ||
1.57 joris 170: strncmp(fields[3], "Initial ", 8) == 0 ||
1.96 tobias 171: strcmp(fields[3], "Result of merge") == 0) {
1.57 joris 172: ent->ce_mtime = CVS_DATE_DMSEC;
1.81 joris 173: } else if (cvs_server_active == 1 &&
174: strncmp(fields[3], CVS_SERVER_UNCHANGED,
175: strlen(CVS_SERVER_UNCHANGED)) == 0) {
176: ent->ce_mtime = CVS_SERVER_UPTODATE;
177: } else {
1.96 tobias 178: p = fields[3];
179: if (strncmp(fields[3], "Result of merge+", 16) == 0)
180: p += 16;
181:
1.78 niallo 182: /* Date field can be a '+=' with remote to indicate
183: * conflict. In this case do nothing. */
1.96 tobias 184: if (strptime(p, "%a %b %d %T %Y", &t) != NULL) {
1.78 niallo 185:
186: t.tm_isdst = -1; /* Figure out DST. */
187: t.tm_gmtoff = 0;
188: ent->ce_mtime = mktime(&t);
189: ent->ce_mtime += t.tm_gmtoff;
190: }
1.70 joris 191: }
1.3 jfb 192: }
1.1 jfb 193:
1.57 joris 194: ent->ce_conflict = fields[3];
195: if ((dp = strchr(ent->ce_conflict, '+')) != NULL)
196: *dp = '\0';
197: else
198: ent->ce_conflict = NULL;
1.1 jfb 199:
1.57 joris 200: if (strcmp(fields[4], ""))
201: ent->ce_opts = fields[4];
202: else
203: ent->ce_opts = NULL;
1.8 jfb 204:
1.91 joris 205: if (strcmp(fields[5], "")) {
1.95 deraadt 206: switch (*fields[5]) {
1.91 joris 207: case 'D':
208: if (sscanf(fields[5] + 1, "%d.%d.%d.%d.%d.%d",
209: &dt.tm_year, &dt.tm_mon, &dt.tm_mday,
210: &dt.tm_hour, &dt.tm_min, &dt.tm_sec) != 6)
211: fatal("wrong date specification");
212: dt.tm_year -= 1900;
213: dt.tm_mon -= 1;
214: ent->ce_date = timegm(&dt);
215: ent->ce_tag = NULL;
216: break;
217: case 'T':
218: ent->ce_tag = fields[5] + 1;
219: break;
220: default:
221: fatal("invalid sticky entry");
222: }
1.92 joris 223: }
1.3 jfb 224:
1.57 joris 225: return (ent);
1.3 jfb 226: }
227:
1.57 joris 228: struct cvs_ent *
229: cvs_ent_get(CVSENTRIES *ep, const char *name)
1.3 jfb 230: {
231: struct cvs_ent *ent;
1.57 joris 232: struct cvs_ent_line *l;
1.3 jfb 233:
1.57 joris 234: l = ent_get_line(ep, name);
235: if (l == NULL)
236: return (NULL);
1.3 jfb 237:
1.57 joris 238: ent = cvs_ent_parse(l->buf);
239: return (ent);
1.1 jfb 240: }
241:
1.57 joris 242: void
243: cvs_ent_close(CVSENTRIES *ep, int writefile)
1.9 jfb 244: {
1.57 joris 245: FILE *fp;
246: struct cvs_ent_line *l;
1.85 tobias 247: int dflag;
248:
249: dflag = 1;
1.98 ! joris 250: cvs_log(LP_TRACE, "cvs_ent_close(%s, %d)", ep->cef_bpath, writefile);
1.44 xsa 251:
1.98 ! joris 252: if (cvs_cmdop == CVS_OP_EXPORT)
! 253: writefile = 0;
! 254:
! 255: fp = NULL;
! 256: if (writefile)
! 257: fp = fopen(ep->cef_bpath, "w");
1.16 jfb 258:
1.57 joris 259: while ((l = TAILQ_FIRST(&(ep->cef_ent))) != NULL) {
1.98 ! joris 260: if (fp != NULL) {
1.85 tobias 261: if (l->buf[0] == 'D')
262: dflag = 0;
263:
1.57 joris 264: fputs(l->buf, fp);
265: fputc('\n', fp);
1.51 joris 266: }
1.57 joris 267:
268: TAILQ_REMOVE(&(ep->cef_ent), l, entries_list);
269: xfree(l->buf);
270: xfree(l);
1.22 jfb 271: }
1.9 jfb 272:
1.98 ! joris 273: if (fp != NULL) {
1.85 tobias 274: if (dflag) {
275: fputc('D', fp);
276: fputc('\n', fp);
277: }
1.57 joris 278: (void)fclose(fp);
279:
280: if (rename(ep->cef_bpath, ep->cef_path) == -1)
1.63 xsa 281: fatal("cvs_ent_close: rename: `%s'->`%s': %s",
282: ep->cef_bpath, ep->cef_path, strerror(errno));
1.57 joris 283:
284: (void)unlink(ep->cef_lpath);
285: }
1.9 jfb 286:
1.57 joris 287: xfree(ep->cef_path);
288: xfree(ep->cef_bpath);
289: xfree(ep->cef_lpath);
290: xfree(ep);
1.9 jfb 291: }
292:
1.57 joris 293: void
294: cvs_ent_add(CVSENTRIES *ep, const char *line)
1.1 jfb 295: {
1.57 joris 296: FILE *fp;
297: struct cvs_ent_line *l;
1.39 xsa 298: struct cvs_ent *ent;
1.1 jfb 299:
1.57 joris 300: if ((ent = cvs_ent_parse(line)) == NULL)
301: fatal("cvs_ent_add: parsing failed '%s'", line);
1.1 jfb 302:
1.57 joris 303: l = ent_get_line(ep, ent->ce_name);
304: if (l != NULL)
305: cvs_ent_remove(ep, ent->ce_name);
1.1 jfb 306:
1.57 joris 307: cvs_ent_free(ent);
1.1 jfb 308:
1.61 joris 309: if (cvs_server_active == 0)
310: cvs_log(LP_TRACE, "cvs_ent_add(%s, %s)", ep->cef_path, line);
1.1 jfb 311:
1.57 joris 312: if ((fp = fopen(ep->cef_lpath, "a")) == NULL)
1.63 xsa 313: fatal("cvs_ent_add: fopen: `%s': %s",
314: ep->cef_lpath, strerror(errno));
1.1 jfb 315:
1.87 tobias 316: fputs("A ", fp);
1.57 joris 317: fputs(line, fp);
318: fputc('\n', fp);
1.1 jfb 319:
1.57 joris 320: (void)fclose(fp);
1.10 jfb 321:
1.57 joris 322: l = (struct cvs_ent_line *)xmalloc(sizeof(*l));
323: l->buf = xstrdup(line);
324: TAILQ_INSERT_TAIL(&(ep->cef_ent), l, entries_list);
325: }
1.10 jfb 326:
1.57 joris 327: void
328: cvs_ent_remove(CVSENTRIES *ep, const char *name)
329: {
330: FILE *fp;
331: struct cvs_ent_line *l;
1.1 jfb 332:
1.61 joris 333: if (cvs_server_active == 0)
334: cvs_log(LP_TRACE, "cvs_ent_remove(%s, %s)", ep->cef_path, name);
1.1 jfb 335:
1.57 joris 336: l = ent_get_line(ep, name);
337: if (l == NULL)
338: return;
1.1 jfb 339:
1.57 joris 340: if ((fp = fopen(ep->cef_lpath, "a")) == NULL)
1.63 xsa 341: fatal("cvs_ent_remove: fopen: `%s': %s", ep->cef_lpath,
342: strerror(errno));
1.38 joris 343:
1.87 tobias 344: fputs("R ", fp);
1.57 joris 345: fputs(l->buf, fp);
346: fputc('\n', fp);
1.24 jfb 347:
1.57 joris 348: (void)fclose(fp);
1.24 jfb 349:
1.57 joris 350: TAILQ_REMOVE(&(ep->cef_ent), l, entries_list);
351: xfree(l->buf);
352: xfree(l);
1.90 xsa 353: }
354:
355: /*
356: * cvs_ent_line_str()
357: *
358: * Build CVS/Entries line.
359: *
360: */
361: void
362: cvs_ent_line_str(const char *name, char *rev, char *tstamp, char *opts,
363: char *sticky, int isdir, int isremoved, char *buf, size_t len)
364: {
365: if (isdir == 1) {
366: (void)xsnprintf(buf, len, "D/%s////", name);
367: return;
368: }
369:
370: (void)xsnprintf(buf, len, "/%s/%s%s/%s/%s/%s",
371: name, isremoved == 1 ? "-" : "", rev, tstamp, opts, sticky);
1.5 jfb 372: }
373:
374: void
375: cvs_ent_free(struct cvs_ent *ent)
376: {
377: if (ent->ce_rev != NULL)
378: rcsnum_free(ent->ce_rev);
1.57 joris 379: xfree(ent->ce_buf);
1.53 joris 380: xfree(ent);
1.5 jfb 381: }
1.8 jfb 382:
1.57 joris 383: static struct cvs_ent_line *
384: ent_get_line(CVSENTRIES *ep, const char *name)
1.8 jfb 385: {
1.57 joris 386: char *p, *s;
387: struct cvs_ent_line *l;
1.8 jfb 388:
1.57 joris 389: TAILQ_FOREACH(l, &(ep->cef_ent), entries_list) {
390: if (l->buf[0] == 'D')
391: p = &(l->buf[2]);
392: else
393: p = &(l->buf[1]);
394:
395: if ((s = strchr(p, '/')) == NULL)
396: fatal("ent_get_line: bad entry line '%s'", l->buf);
397:
398: *s = '\0';
399:
400: if (!strcmp(p, name)) {
401: *s = '/';
402: return (l);
1.15 jfb 403: }
1.8 jfb 404:
1.57 joris 405: *s = '/';
1.8 jfb 406: }
407:
1.57 joris 408: return (NULL);
1.59 xsa 409: }
410:
411: void
412: cvs_parse_tagfile(char *dir, char **tagp, char **datep, int *nbp)
413: {
414: FILE *fp;
1.73 xsa 415: int i, linenum;
1.59 xsa 416: size_t len;
1.91 joris 417: struct tm datetm;
1.69 otto 418: char linebuf[128], tagpath[MAXPATHLEN];
1.59 xsa 419:
420: if (tagp != NULL)
1.60 joris 421: *tagp = NULL;
1.59 xsa 422:
423: if (datep != NULL)
1.60 joris 424: *datep = NULL;
1.59 xsa 425:
426: if (nbp != NULL)
427: *nbp = 0;
428:
1.73 xsa 429: i = snprintf(tagpath, MAXPATHLEN, "%s/%s", dir, CVS_PATH_TAG);
430: if (i < 0 || i >= MAXPATHLEN)
1.69 otto 431: return;
1.59 xsa 432:
433: if ((fp = fopen(tagpath, "r")) == NULL) {
434: if (errno != ENOENT)
435: cvs_log(LP_NOTICE, "failed to open `%s' : %s", tagpath,
436: strerror(errno));
1.69 otto 437: return;
1.59 xsa 438: }
439:
440: linenum = 0;
441:
442: while (fgets(linebuf, (int)sizeof(linebuf), fp) != NULL) {
443: linenum++;
444: if ((len = strlen(linebuf)) == 0)
445: continue;
446: if (linebuf[len - 1] != '\n') {
447: cvs_log(LP_NOTICE, "line too long in `%s:%d'",
448: tagpath, linenum);
449: break;
450: }
451: linebuf[--len] = '\0';
452:
453: switch (*linebuf) {
454: case 'T':
455: if (tagp != NULL)
456: *tagp = xstrdup(linebuf + 1);
457: break;
458: case 'D':
1.91 joris 459: if (sscanf(linebuf + 1, "%d.%d.%d.%d.%d.%d",
460: &datetm.tm_year, &datetm.tm_mon, &datetm.tm_mday,
461: &datetm.tm_hour, &datetm.tm_min, &datetm.tm_sec) !=
462: 6)
463: fatal("wrong date specification");
464: datetm.tm_year -= 1900;
465: datetm.tm_mon -= 1;
466:
1.92 joris 467: if (cvs_specified_date == -1)
1.91 joris 468: cvs_specified_date = timegm(&datetm);
469:
1.59 xsa 470: if (datep != NULL)
471: *datep = xstrdup(linebuf + 1);
472: break;
473: case 'N':
474: if (tagp != NULL)
475: *tagp = xstrdup(linebuf + 1);
476: if (nbp != NULL)
477: *nbp = 1;
478: break;
479: default:
480: break;
481: }
482: }
483: if (ferror(fp))
484: cvs_log(LP_NOTICE, "failed to read line from `%s'", tagpath);
485:
486: (void)fclose(fp);
487: }
488:
489: void
1.88 tobias 490: cvs_write_tagfile(const char *dir, char *tag, char *date)
1.59 xsa 491: {
492: FILE *fp;
1.88 tobias 493: RCSNUM *rev;
1.69 otto 494: char tagpath[MAXPATHLEN];
1.82 joris 495: char sticky[CVS_REV_BUFSZ];
1.97 tobias 496: struct tm datetm;
1.73 xsa 497: int i;
1.59 xsa 498:
1.88 tobias 499: cvs_log(LP_TRACE, "cvs_write_tagfile(%s, %s, %s)", dir,
500: tag != NULL ? tag : "", date != NULL ? date : "");
501:
1.59 xsa 502: if (cvs_noexec == 1)
503: return;
504:
1.73 xsa 505: i = snprintf(tagpath, MAXPATHLEN, "%s/%s", dir, CVS_PATH_TAG);
506: if (i < 0 || i >= MAXPATHLEN)
1.69 otto 507: return;
1.59 xsa 508:
1.92 joris 509: if (tag != NULL || cvs_specified_date != -1) {
1.59 xsa 510: if ((fp = fopen(tagpath, "w+")) == NULL) {
511: if (errno != ENOENT) {
512: cvs_log(LP_NOTICE, "failed to open `%s' : %s",
513: tagpath, strerror(errno));
514: }
1.69 otto 515: return;
1.59 xsa 516: }
1.79 joris 517:
1.59 xsa 518: if (tag != NULL) {
1.88 tobias 519: if ((rev = rcsnum_parse(tag)) != NULL) {
1.82 joris 520: (void)xsnprintf(sticky, sizeof(sticky),
521: "N%s", tag);
1.88 tobias 522: rcsnum_free(rev);
1.82 joris 523: } else {
524: (void)xsnprintf(sticky, sizeof(sticky),
525: "T%s", tag);
526: }
527: } else {
1.97 tobias 528: gmtime_r(&cvs_specified_date, &datetm);
1.94 xsa 529: (void)strftime(sticky, sizeof(sticky),
1.97 tobias 530: "D"CVS_DATE_FMT, &datetm);
1.82 joris 531: }
532:
533: if (cvs_server_active == 1)
534: cvs_server_set_sticky(dir, sticky);
1.59 xsa 535:
1.82 joris 536: (void)fprintf(fp, "%s\n", sticky);
1.59 xsa 537: (void)fclose(fp);
538: }
1.1 jfb 539: }
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