Annotation of src/usr.bin/cvs/entries.c, Revision 1.91
1.91 ! joris 1: /* $OpenBSD: entries.c,v 1.90 2008/02/09 20:04:00 xsa 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:
1.42 xsa 31: CVSENTRIES *
1.57 joris 32: cvs_ent_open(const char *dir)
1.1 jfb 33: {
1.57 joris 34: FILE *fp;
35: CVSENTRIES *ep;
36: char *p, buf[MAXPATHLEN];
1.1 jfb 37: struct cvs_ent *ent;
1.57 joris 38: struct cvs_ent_line *line;
1.36 xsa 39:
1.86 tobias 40: ep = (CVSENTRIES *)xcalloc(1, sizeof(*ep));
1.52 joris 41:
1.73 xsa 42: (void)xsnprintf(buf, sizeof(buf), "%s/%s", dir, CVS_PATH_ENTRIES);
1.64 xsa 43:
1.57 joris 44: ep->cef_path = xstrdup(buf);
1.8 jfb 45:
1.73 xsa 46: (void)xsnprintf(buf, sizeof(buf), "%s/%s",
47: dir, CVS_PATH_BACKUPENTRIES);
1.64 xsa 48:
1.57 joris 49: ep->cef_bpath = xstrdup(buf);
1.3 jfb 50:
1.73 xsa 51: (void)xsnprintf(buf, sizeof(buf), "%s/%s", dir, CVS_PATH_LOGENTRIES);
1.64 xsa 52:
1.57 joris 53: ep->cef_lpath = xstrdup(buf);
1.1 jfb 54:
1.4 jfb 55: TAILQ_INIT(&(ep->cef_ent));
1.3 jfb 56:
1.57 joris 57: if ((fp = fopen(ep->cef_path, "r")) != NULL) {
58: while (fgets(buf, sizeof(buf), fp)) {
1.84 gilles 59: buf[strcspn(buf, "\n")] = '\0';
1.57 joris 60:
61: if (buf[0] == 'D' && buf[1] == '\0')
62: break;
63:
64: line = (struct cvs_ent_line *)xmalloc(sizeof(*line));
65: line->buf = xstrdup(buf);
66: TAILQ_INSERT_TAIL(&(ep->cef_ent), line, entries_list);
67: }
1.52 joris 68:
1.25 jfb 69: (void)fclose(fp);
1.12 jfb 70: }
1.1 jfb 71:
1.57 joris 72: if ((fp = fopen(ep->cef_lpath, "r")) != NULL) {
73: while (fgets(buf, sizeof(buf), fp)) {
1.84 gilles 74: buf[strcspn(buf, "\n")] = '\0';
1.57 joris 75:
1.87 tobias 76: if (strlen(buf) < 2)
77: fatal("cvs_ent_open: %s: malformed line %s",
78: ep->cef_lpath, buf);
79:
80: p = &buf[2];
1.57 joris 81:
82: if (buf[0] == 'A') {
83: line = xmalloc(sizeof(*line));
84: line->buf = xstrdup(p);
85: TAILQ_INSERT_TAIL(&(ep->cef_ent), line,
86: entries_list);
87: } else if (buf[0] == 'R') {
88: ent = cvs_ent_parse(p);
89: line = ent_get_line(ep, ent->ce_name);
1.65 joris 90: if (line != NULL) {
1.57 joris 91: TAILQ_REMOVE(&(ep->cef_ent), line,
92: entries_list);
1.65 joris 93: xfree(line->buf);
94: xfree(line);
95: }
1.57 joris 96: cvs_ent_free(ent);
97: }
98: }
1.4 jfb 99:
1.52 joris 100: (void)fclose(fp);
101: }
1.12 jfb 102:
1.1 jfb 103: return (ep);
104: }
105:
1.57 joris 106: struct cvs_ent *
107: cvs_ent_parse(const char *entry)
1.1 jfb 108: {
1.57 joris 109: int i;
1.91 ! joris 110: struct tm t, dt;
1.5 jfb 111: struct cvs_ent *ent;
1.57 joris 112: char *fields[CVS_ENTRIES_NFIELDS], *buf, *sp, *dp;
1.5 jfb 113:
1.72 joris 114: buf = sp = xstrdup(entry);
1.57 joris 115: i = 0;
116: do {
117: dp = strchr(sp, CVS_ENTRIES_DELIM);
118: if (dp != NULL)
119: *(dp++) = '\0';
120: fields[i++] = sp;
121: sp = dp;
122: } while (dp != NULL && i < CVS_ENTRIES_NFIELDS);
1.8 jfb 123:
1.57 joris 124: if (i < CVS_ENTRIES_NFIELDS)
125: fatal("missing fields in entry line '%s'", entry);
1.5 jfb 126:
1.72 joris 127: ent = xmalloc(sizeof(*ent));
1.57 joris 128: ent->ce_buf = buf;
1.52 joris 129:
1.57 joris 130: if (*fields[0] == '\0')
131: ent->ce_type = CVS_ENT_FILE;
132: else if (*fields[0] == 'D')
133: ent->ce_type = CVS_ENT_DIR;
134: else
135: ent->ce_type = CVS_ENT_NONE;
136:
137: ent->ce_status = CVS_ENT_REG;
138: ent->ce_name = fields[1];
139: ent->ce_rev = NULL;
1.5 jfb 140:
1.57 joris 141: if (ent->ce_type == CVS_ENT_FILE) {
142: if (*fields[2] == '-') {
143: ent->ce_status = CVS_ENT_REMOVED;
144: sp = fields[2] + 1;
145: } else {
146: sp = fields[2];
147: if (fields[2][0] == '0' && fields[2][1] == '\0')
148: ent->ce_status = CVS_ENT_ADDED;
149: }
1.1 jfb 150:
1.57 joris 151: if ((ent->ce_rev = rcsnum_parse(sp)) == NULL)
152: fatal("failed to parse entry revision '%s'", entry);
1.1 jfb 153:
1.72 joris 154: if (fields[3][0] == '\0' ||
1.77 ray 155: strncmp(fields[3], CVS_DATE_DUMMY, sizeof(CVS_DATE_DUMMY) - 1) == 0 ||
1.57 joris 156: strncmp(fields[3], "Initial ", 8) == 0 ||
1.81 joris 157: strncmp(fields[3], "Result of merge", 15) == 0) {
1.57 joris 158: ent->ce_mtime = CVS_DATE_DMSEC;
1.81 joris 159: } else if (cvs_server_active == 1 &&
160: strncmp(fields[3], CVS_SERVER_UNCHANGED,
161: strlen(CVS_SERVER_UNCHANGED)) == 0) {
162: ent->ce_mtime = CVS_SERVER_UPTODATE;
163: } else {
1.78 niallo 164: /* Date field can be a '+=' with remote to indicate
165: * conflict. In this case do nothing. */
166: if (strptime(fields[3], "%a %b %d %T %Y", &t) != NULL) {
167:
168: t.tm_isdst = -1; /* Figure out DST. */
169: t.tm_gmtoff = 0;
170: ent->ce_mtime = mktime(&t);
171: ent->ce_mtime += t.tm_gmtoff;
172: }
1.70 joris 173: }
1.3 jfb 174: }
1.1 jfb 175:
1.57 joris 176: ent->ce_conflict = fields[3];
177: if ((dp = strchr(ent->ce_conflict, '+')) != NULL)
178: *dp = '\0';
179: else
180: ent->ce_conflict = NULL;
1.1 jfb 181:
1.57 joris 182: if (strcmp(fields[4], ""))
183: ent->ce_opts = fields[4];
184: else
185: ent->ce_opts = NULL;
1.8 jfb 186:
1.91 ! joris 187: if (strcmp(fields[5], "")) {
! 188: switch(*fields[5]) {
! 189: case 'D':
! 190: if (sscanf(fields[5] + 1, "%d.%d.%d.%d.%d.%d",
! 191: &dt.tm_year, &dt.tm_mon, &dt.tm_mday,
! 192: &dt.tm_hour, &dt.tm_min, &dt.tm_sec) != 6)
! 193: fatal("wrong date specification");
! 194: dt.tm_year -= 1900;
! 195: dt.tm_mon -= 1;
! 196: ent->ce_date = timegm(&dt);
! 197: ent->ce_tag = NULL;
! 198: break;
! 199: case 'T':
! 200: ent->ce_tag = fields[5] + 1;
! 201: break;
! 202: default:
! 203: fatal("invalid sticky entry");
! 204: }
! 205: } else
1.57 joris 206: ent->ce_tag = NULL;
1.3 jfb 207:
1.57 joris 208: return (ent);
1.3 jfb 209: }
210:
1.57 joris 211: struct cvs_ent *
212: cvs_ent_get(CVSENTRIES *ep, const char *name)
1.3 jfb 213: {
214: struct cvs_ent *ent;
1.57 joris 215: struct cvs_ent_line *l;
1.3 jfb 216:
1.57 joris 217: l = ent_get_line(ep, name);
218: if (l == NULL)
219: return (NULL);
1.3 jfb 220:
1.57 joris 221: ent = cvs_ent_parse(l->buf);
222: return (ent);
1.1 jfb 223: }
224:
1.57 joris 225: void
226: cvs_ent_close(CVSENTRIES *ep, int writefile)
1.9 jfb 227: {
1.57 joris 228: FILE *fp;
229: struct cvs_ent_line *l;
1.85 tobias 230: int dflag;
231:
232: dflag = 1;
1.44 xsa 233:
1.57 joris 234: if (writefile) {
235: if ((fp = fopen(ep->cef_bpath, "w")) == NULL)
1.63 xsa 236: fatal("cvs_ent_close: fopen: `%s': %s",
237: ep->cef_path, strerror(errno));
1.57 joris 238: }
1.16 jfb 239:
1.57 joris 240: while ((l = TAILQ_FIRST(&(ep->cef_ent))) != NULL) {
241: if (writefile) {
1.85 tobias 242: if (l->buf[0] == 'D')
243: dflag = 0;
244:
1.57 joris 245: fputs(l->buf, fp);
246: fputc('\n', fp);
1.51 joris 247: }
1.57 joris 248:
249: TAILQ_REMOVE(&(ep->cef_ent), l, entries_list);
250: xfree(l->buf);
251: xfree(l);
1.22 jfb 252: }
1.9 jfb 253:
1.57 joris 254: if (writefile) {
1.85 tobias 255: if (dflag) {
256: fputc('D', fp);
257: fputc('\n', fp);
258: }
1.57 joris 259: (void)fclose(fp);
260:
261: if (rename(ep->cef_bpath, ep->cef_path) == -1)
1.63 xsa 262: fatal("cvs_ent_close: rename: `%s'->`%s': %s",
263: ep->cef_bpath, ep->cef_path, strerror(errno));
1.57 joris 264:
265: (void)unlink(ep->cef_lpath);
266: }
1.9 jfb 267:
1.57 joris 268: xfree(ep->cef_path);
269: xfree(ep->cef_bpath);
270: xfree(ep->cef_lpath);
271: xfree(ep);
1.9 jfb 272: }
273:
1.57 joris 274: void
275: cvs_ent_add(CVSENTRIES *ep, const char *line)
1.1 jfb 276: {
1.57 joris 277: FILE *fp;
278: struct cvs_ent_line *l;
1.39 xsa 279: struct cvs_ent *ent;
1.1 jfb 280:
1.57 joris 281: if ((ent = cvs_ent_parse(line)) == NULL)
282: fatal("cvs_ent_add: parsing failed '%s'", line);
1.1 jfb 283:
1.57 joris 284: l = ent_get_line(ep, ent->ce_name);
285: if (l != NULL)
286: cvs_ent_remove(ep, ent->ce_name);
1.1 jfb 287:
1.57 joris 288: cvs_ent_free(ent);
1.1 jfb 289:
1.61 joris 290: if (cvs_server_active == 0)
291: cvs_log(LP_TRACE, "cvs_ent_add(%s, %s)", ep->cef_path, line);
1.1 jfb 292:
1.57 joris 293: if ((fp = fopen(ep->cef_lpath, "a")) == NULL)
1.63 xsa 294: fatal("cvs_ent_add: fopen: `%s': %s",
295: ep->cef_lpath, strerror(errno));
1.1 jfb 296:
1.87 tobias 297: fputs("A ", fp);
1.57 joris 298: fputs(line, fp);
299: fputc('\n', fp);
1.1 jfb 300:
1.57 joris 301: (void)fclose(fp);
1.10 jfb 302:
1.57 joris 303: l = (struct cvs_ent_line *)xmalloc(sizeof(*l));
304: l->buf = xstrdup(line);
305: TAILQ_INSERT_TAIL(&(ep->cef_ent), l, entries_list);
306: }
1.10 jfb 307:
1.57 joris 308: void
309: cvs_ent_remove(CVSENTRIES *ep, const char *name)
310: {
311: FILE *fp;
312: struct cvs_ent_line *l;
1.1 jfb 313:
1.61 joris 314: if (cvs_server_active == 0)
315: cvs_log(LP_TRACE, "cvs_ent_remove(%s, %s)", ep->cef_path, name);
1.1 jfb 316:
1.57 joris 317: l = ent_get_line(ep, name);
318: if (l == NULL)
319: return;
1.1 jfb 320:
1.57 joris 321: if ((fp = fopen(ep->cef_lpath, "a")) == NULL)
1.63 xsa 322: fatal("cvs_ent_remove: fopen: `%s': %s", ep->cef_lpath,
323: strerror(errno));
1.38 joris 324:
1.87 tobias 325: fputs("R ", fp);
1.57 joris 326: fputs(l->buf, fp);
327: fputc('\n', fp);
1.24 jfb 328:
1.57 joris 329: (void)fclose(fp);
1.24 jfb 330:
1.57 joris 331: TAILQ_REMOVE(&(ep->cef_ent), l, entries_list);
332: xfree(l->buf);
333: xfree(l);
1.90 xsa 334: }
335:
336: /*
337: * cvs_ent_line_str()
338: *
339: * Build CVS/Entries line.
340: *
341: */
342: void
343: cvs_ent_line_str(const char *name, char *rev, char *tstamp, char *opts,
344: char *sticky, int isdir, int isremoved, char *buf, size_t len)
345: {
346: if (isdir == 1) {
347: (void)xsnprintf(buf, len, "D/%s////", name);
348: return;
349: }
350:
351: (void)xsnprintf(buf, len, "/%s/%s%s/%s/%s/%s",
352: name, isremoved == 1 ? "-" : "", rev, tstamp, opts, sticky);
1.5 jfb 353: }
354:
355: void
356: cvs_ent_free(struct cvs_ent *ent)
357: {
358: if (ent->ce_rev != NULL)
359: rcsnum_free(ent->ce_rev);
1.57 joris 360: xfree(ent->ce_buf);
1.53 joris 361: xfree(ent);
1.5 jfb 362: }
1.8 jfb 363:
1.57 joris 364: static struct cvs_ent_line *
365: ent_get_line(CVSENTRIES *ep, const char *name)
1.8 jfb 366: {
1.57 joris 367: char *p, *s;
368: struct cvs_ent_line *l;
1.8 jfb 369:
1.57 joris 370: TAILQ_FOREACH(l, &(ep->cef_ent), entries_list) {
371: if (l->buf[0] == 'D')
372: p = &(l->buf[2]);
373: else
374: p = &(l->buf[1]);
375:
376: if ((s = strchr(p, '/')) == NULL)
377: fatal("ent_get_line: bad entry line '%s'", l->buf);
378:
379: *s = '\0';
380:
381: if (!strcmp(p, name)) {
382: *s = '/';
383: return (l);
1.15 jfb 384: }
1.8 jfb 385:
1.57 joris 386: *s = '/';
1.8 jfb 387: }
388:
1.57 joris 389: return (NULL);
1.59 xsa 390: }
391:
392: void
393: cvs_parse_tagfile(char *dir, char **tagp, char **datep, int *nbp)
394: {
395: FILE *fp;
1.73 xsa 396: int i, linenum;
1.59 xsa 397: size_t len;
1.91 ! joris 398: struct tm datetm;
1.69 otto 399: char linebuf[128], tagpath[MAXPATHLEN];
1.59 xsa 400:
401: if (tagp != NULL)
1.60 joris 402: *tagp = NULL;
1.59 xsa 403:
404: if (datep != NULL)
1.60 joris 405: *datep = NULL;
1.59 xsa 406:
407: if (nbp != NULL)
408: *nbp = 0;
409:
1.73 xsa 410: i = snprintf(tagpath, MAXPATHLEN, "%s/%s", dir, CVS_PATH_TAG);
411: if (i < 0 || i >= MAXPATHLEN)
1.69 otto 412: return;
1.59 xsa 413:
414: if ((fp = fopen(tagpath, "r")) == NULL) {
415: if (errno != ENOENT)
416: cvs_log(LP_NOTICE, "failed to open `%s' : %s", tagpath,
417: strerror(errno));
1.69 otto 418: return;
1.59 xsa 419: }
420:
421: linenum = 0;
422:
423: while (fgets(linebuf, (int)sizeof(linebuf), fp) != NULL) {
424: linenum++;
425: if ((len = strlen(linebuf)) == 0)
426: continue;
427: if (linebuf[len - 1] != '\n') {
428: cvs_log(LP_NOTICE, "line too long in `%s:%d'",
429: tagpath, linenum);
430: break;
431: }
432: linebuf[--len] = '\0';
433:
434: switch (*linebuf) {
435: case 'T':
436: if (tagp != NULL)
437: *tagp = xstrdup(linebuf + 1);
438: break;
439: case 'D':
1.91 ! joris 440: if (sscanf(linebuf + 1, "%d.%d.%d.%d.%d.%d",
! 441: &datetm.tm_year, &datetm.tm_mon, &datetm.tm_mday,
! 442: &datetm.tm_hour, &datetm.tm_min, &datetm.tm_sec) !=
! 443: 6)
! 444: fatal("wrong date specification");
! 445: datetm.tm_year -= 1900;
! 446: datetm.tm_mon -= 1;
! 447:
! 448: if (cvs_specified_date == 0)
! 449: cvs_specified_date = timegm(&datetm);
! 450:
1.59 xsa 451: if (datep != NULL)
452: *datep = xstrdup(linebuf + 1);
453: break;
454: case 'N':
455: if (tagp != NULL)
456: *tagp = xstrdup(linebuf + 1);
457: if (nbp != NULL)
458: *nbp = 1;
459: break;
460: default:
461: break;
462: }
463: }
464: if (ferror(fp))
465: cvs_log(LP_NOTICE, "failed to read line from `%s'", tagpath);
466:
467: (void)fclose(fp);
468: }
469:
470: void
1.88 tobias 471: cvs_write_tagfile(const char *dir, char *tag, char *date)
1.59 xsa 472: {
473: FILE *fp;
1.88 tobias 474: RCSNUM *rev;
1.69 otto 475: char tagpath[MAXPATHLEN];
1.82 joris 476: char sticky[CVS_REV_BUFSZ];
1.89 tobias 477: struct tm *datetm;
1.73 xsa 478: int i;
1.59 xsa 479:
1.88 tobias 480: cvs_log(LP_TRACE, "cvs_write_tagfile(%s, %s, %s)", dir,
481: tag != NULL ? tag : "", date != NULL ? date : "");
482:
1.59 xsa 483: if (cvs_noexec == 1)
484: return;
485:
1.73 xsa 486: i = snprintf(tagpath, MAXPATHLEN, "%s/%s", dir, CVS_PATH_TAG);
487: if (i < 0 || i >= MAXPATHLEN)
1.69 otto 488: return;
1.59 xsa 489:
1.89 tobias 490: if (tag != NULL || cvs_specified_date != 0) {
1.59 xsa 491: if ((fp = fopen(tagpath, "w+")) == NULL) {
492: if (errno != ENOENT) {
493: cvs_log(LP_NOTICE, "failed to open `%s' : %s",
494: tagpath, strerror(errno));
495: }
1.69 otto 496: return;
1.59 xsa 497: }
1.79 joris 498:
1.59 xsa 499: if (tag != NULL) {
1.88 tobias 500: if ((rev = rcsnum_parse(tag)) != NULL) {
1.82 joris 501: (void)xsnprintf(sticky, sizeof(sticky),
502: "N%s", tag);
1.88 tobias 503: rcsnum_free(rev);
1.82 joris 504: } else {
505: (void)xsnprintf(sticky, sizeof(sticky),
506: "T%s", tag);
507: }
508: } else {
1.89 tobias 509: datetm = gmtime(&cvs_specified_date);
510: strftime(sticky, sizeof(sticky), "D%Y.%m.%d.%H.%M.%S",
511: datetm);
1.82 joris 512: }
513:
514: if (cvs_server_active == 1)
515: cvs_server_set_sticky(dir, sticky);
1.59 xsa 516:
1.82 joris 517: (void)fprintf(fp, "%s\n", sticky);
1.59 xsa 518: (void)fclose(fp);
519: } else {
520: (void)cvs_unlink(tagpath);
521: }
1.1 jfb 522: }
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