Annotation of src/usr.bin/cvs/entries.c, Revision 1.90
1.90 ! xsa 1: /* $OpenBSD: entries.c,v 1.89 2008/02/09 17:01:43 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:
1.42 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;
1.70 joris 110: struct tm t;
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:
1.57 joris 187: if (strcmp(fields[5], ""))
1.58 joris 188: ent->ce_tag = fields[5] + 1;
1.57 joris 189: else
190: ent->ce_tag = NULL;
1.3 jfb 191:
1.57 joris 192: return (ent);
1.3 jfb 193: }
194:
1.57 joris 195: struct cvs_ent *
196: cvs_ent_get(CVSENTRIES *ep, const char *name)
1.3 jfb 197: {
198: struct cvs_ent *ent;
1.57 joris 199: struct cvs_ent_line *l;
1.3 jfb 200:
1.57 joris 201: l = ent_get_line(ep, name);
202: if (l == NULL)
203: return (NULL);
1.3 jfb 204:
1.57 joris 205: ent = cvs_ent_parse(l->buf);
206: return (ent);
1.1 jfb 207: }
208:
1.57 joris 209: void
210: cvs_ent_close(CVSENTRIES *ep, int writefile)
1.9 jfb 211: {
1.57 joris 212: FILE *fp;
213: struct cvs_ent_line *l;
1.85 tobias 214: int dflag;
215:
216: dflag = 1;
1.44 xsa 217:
1.57 joris 218: if (writefile) {
219: if ((fp = fopen(ep->cef_bpath, "w")) == NULL)
1.63 xsa 220: fatal("cvs_ent_close: fopen: `%s': %s",
221: ep->cef_path, strerror(errno));
1.57 joris 222: }
1.16 jfb 223:
1.57 joris 224: while ((l = TAILQ_FIRST(&(ep->cef_ent))) != NULL) {
225: if (writefile) {
1.85 tobias 226: if (l->buf[0] == 'D')
227: dflag = 0;
228:
1.57 joris 229: fputs(l->buf, fp);
230: fputc('\n', fp);
1.51 joris 231: }
1.57 joris 232:
233: TAILQ_REMOVE(&(ep->cef_ent), l, entries_list);
234: xfree(l->buf);
235: xfree(l);
1.22 jfb 236: }
1.9 jfb 237:
1.57 joris 238: if (writefile) {
1.85 tobias 239: if (dflag) {
240: fputc('D', fp);
241: fputc('\n', fp);
242: }
1.57 joris 243: (void)fclose(fp);
244:
245: if (rename(ep->cef_bpath, ep->cef_path) == -1)
1.63 xsa 246: fatal("cvs_ent_close: rename: `%s'->`%s': %s",
247: ep->cef_bpath, ep->cef_path, strerror(errno));
1.57 joris 248:
249: (void)unlink(ep->cef_lpath);
250: }
1.9 jfb 251:
1.57 joris 252: xfree(ep->cef_path);
253: xfree(ep->cef_bpath);
254: xfree(ep->cef_lpath);
255: xfree(ep);
1.9 jfb 256: }
257:
1.57 joris 258: void
259: cvs_ent_add(CVSENTRIES *ep, const char *line)
1.1 jfb 260: {
1.57 joris 261: FILE *fp;
262: struct cvs_ent_line *l;
1.39 xsa 263: struct cvs_ent *ent;
1.1 jfb 264:
1.57 joris 265: if ((ent = cvs_ent_parse(line)) == NULL)
266: fatal("cvs_ent_add: parsing failed '%s'", line);
1.1 jfb 267:
1.57 joris 268: l = ent_get_line(ep, ent->ce_name);
269: if (l != NULL)
270: cvs_ent_remove(ep, ent->ce_name);
1.1 jfb 271:
1.57 joris 272: cvs_ent_free(ent);
1.1 jfb 273:
1.61 joris 274: if (cvs_server_active == 0)
275: cvs_log(LP_TRACE, "cvs_ent_add(%s, %s)", ep->cef_path, line);
1.1 jfb 276:
1.57 joris 277: if ((fp = fopen(ep->cef_lpath, "a")) == NULL)
1.63 xsa 278: fatal("cvs_ent_add: fopen: `%s': %s",
279: ep->cef_lpath, strerror(errno));
1.1 jfb 280:
1.87 tobias 281: fputs("A ", fp);
1.57 joris 282: fputs(line, fp);
283: fputc('\n', fp);
1.1 jfb 284:
1.57 joris 285: (void)fclose(fp);
1.10 jfb 286:
1.57 joris 287: l = (struct cvs_ent_line *)xmalloc(sizeof(*l));
288: l->buf = xstrdup(line);
289: TAILQ_INSERT_TAIL(&(ep->cef_ent), l, entries_list);
290: }
1.10 jfb 291:
1.57 joris 292: void
293: cvs_ent_remove(CVSENTRIES *ep, const char *name)
294: {
295: FILE *fp;
296: struct cvs_ent_line *l;
1.1 jfb 297:
1.61 joris 298: if (cvs_server_active == 0)
299: cvs_log(LP_TRACE, "cvs_ent_remove(%s, %s)", ep->cef_path, name);
1.1 jfb 300:
1.57 joris 301: l = ent_get_line(ep, name);
302: if (l == NULL)
303: return;
1.1 jfb 304:
1.57 joris 305: if ((fp = fopen(ep->cef_lpath, "a")) == NULL)
1.63 xsa 306: fatal("cvs_ent_remove: fopen: `%s': %s", ep->cef_lpath,
307: strerror(errno));
1.38 joris 308:
1.87 tobias 309: fputs("R ", fp);
1.57 joris 310: fputs(l->buf, fp);
311: fputc('\n', fp);
1.24 jfb 312:
1.57 joris 313: (void)fclose(fp);
1.24 jfb 314:
1.57 joris 315: TAILQ_REMOVE(&(ep->cef_ent), l, entries_list);
316: xfree(l->buf);
317: xfree(l);
1.90 ! xsa 318: }
! 319:
! 320: /*
! 321: * cvs_ent_line_str()
! 322: *
! 323: * Build CVS/Entries line.
! 324: *
! 325: */
! 326: void
! 327: cvs_ent_line_str(const char *name, char *rev, char *tstamp, char *opts,
! 328: char *sticky, int isdir, int isremoved, char *buf, size_t len)
! 329: {
! 330: if (isdir == 1) {
! 331: (void)xsnprintf(buf, len, "D/%s////", name);
! 332: return;
! 333: }
! 334:
! 335: (void)xsnprintf(buf, len, "/%s/%s%s/%s/%s/%s",
! 336: name, isremoved == 1 ? "-" : "", rev, tstamp, opts, sticky);
1.5 jfb 337: }
338:
339: void
340: cvs_ent_free(struct cvs_ent *ent)
341: {
342: if (ent->ce_rev != NULL)
343: rcsnum_free(ent->ce_rev);
1.57 joris 344: xfree(ent->ce_buf);
1.53 joris 345: xfree(ent);
1.5 jfb 346: }
1.8 jfb 347:
1.57 joris 348: static struct cvs_ent_line *
349: ent_get_line(CVSENTRIES *ep, const char *name)
1.8 jfb 350: {
1.57 joris 351: char *p, *s;
352: struct cvs_ent_line *l;
1.8 jfb 353:
1.57 joris 354: TAILQ_FOREACH(l, &(ep->cef_ent), entries_list) {
355: if (l->buf[0] == 'D')
356: p = &(l->buf[2]);
357: else
358: p = &(l->buf[1]);
359:
360: if ((s = strchr(p, '/')) == NULL)
361: fatal("ent_get_line: bad entry line '%s'", l->buf);
362:
363: *s = '\0';
364:
365: if (!strcmp(p, name)) {
366: *s = '/';
367: return (l);
1.15 jfb 368: }
1.8 jfb 369:
1.57 joris 370: *s = '/';
1.8 jfb 371: }
372:
1.57 joris 373: return (NULL);
1.59 xsa 374: }
375:
376: void
377: cvs_parse_tagfile(char *dir, char **tagp, char **datep, int *nbp)
378: {
379: FILE *fp;
1.73 xsa 380: int i, linenum;
1.59 xsa 381: size_t len;
1.69 otto 382: char linebuf[128], tagpath[MAXPATHLEN];
1.59 xsa 383:
384: if (tagp != NULL)
1.60 joris 385: *tagp = NULL;
1.59 xsa 386:
387: if (datep != NULL)
1.60 joris 388: *datep = NULL;
1.59 xsa 389:
390: if (nbp != NULL)
391: *nbp = 0;
392:
1.73 xsa 393: i = snprintf(tagpath, MAXPATHLEN, "%s/%s", dir, CVS_PATH_TAG);
394: if (i < 0 || i >= MAXPATHLEN)
1.69 otto 395: return;
1.59 xsa 396:
397: if ((fp = fopen(tagpath, "r")) == NULL) {
398: if (errno != ENOENT)
399: cvs_log(LP_NOTICE, "failed to open `%s' : %s", tagpath,
400: strerror(errno));
1.69 otto 401: return;
1.59 xsa 402: }
403:
404: linenum = 0;
405:
406: while (fgets(linebuf, (int)sizeof(linebuf), fp) != NULL) {
407: linenum++;
408: if ((len = strlen(linebuf)) == 0)
409: continue;
410: if (linebuf[len - 1] != '\n') {
411: cvs_log(LP_NOTICE, "line too long in `%s:%d'",
412: tagpath, linenum);
413: break;
414: }
415: linebuf[--len] = '\0';
416:
417: switch (*linebuf) {
418: case 'T':
419: if (tagp != NULL)
420: *tagp = xstrdup(linebuf + 1);
421: break;
422: case 'D':
423: if (datep != NULL)
424: *datep = xstrdup(linebuf + 1);
425: break;
426: case 'N':
427: if (tagp != NULL)
428: *tagp = xstrdup(linebuf + 1);
429: if (nbp != NULL)
430: *nbp = 1;
431: break;
432: default:
433: break;
434: }
435: }
436: if (ferror(fp))
437: cvs_log(LP_NOTICE, "failed to read line from `%s'", tagpath);
438:
439: (void)fclose(fp);
440: }
441:
442: void
1.88 tobias 443: cvs_write_tagfile(const char *dir, char *tag, char *date)
1.59 xsa 444: {
445: FILE *fp;
1.88 tobias 446: RCSNUM *rev;
1.69 otto 447: char tagpath[MAXPATHLEN];
1.82 joris 448: char sticky[CVS_REV_BUFSZ];
1.89 tobias 449: struct tm *datetm;
1.73 xsa 450: int i;
1.59 xsa 451:
1.88 tobias 452: cvs_log(LP_TRACE, "cvs_write_tagfile(%s, %s, %s)", dir,
453: tag != NULL ? tag : "", date != NULL ? date : "");
454:
1.59 xsa 455: if (cvs_noexec == 1)
456: return;
457:
1.73 xsa 458: i = snprintf(tagpath, MAXPATHLEN, "%s/%s", dir, CVS_PATH_TAG);
459: if (i < 0 || i >= MAXPATHLEN)
1.69 otto 460: return;
1.59 xsa 461:
1.89 tobias 462: if (tag != NULL || cvs_specified_date != 0) {
1.59 xsa 463: if ((fp = fopen(tagpath, "w+")) == NULL) {
464: if (errno != ENOENT) {
465: cvs_log(LP_NOTICE, "failed to open `%s' : %s",
466: tagpath, strerror(errno));
467: }
1.69 otto 468: return;
1.59 xsa 469: }
1.79 joris 470:
1.59 xsa 471: if (tag != NULL) {
1.88 tobias 472: if ((rev = rcsnum_parse(tag)) != NULL) {
1.82 joris 473: (void)xsnprintf(sticky, sizeof(sticky),
474: "N%s", tag);
1.88 tobias 475: rcsnum_free(rev);
1.82 joris 476: } else {
477: (void)xsnprintf(sticky, sizeof(sticky),
478: "T%s", tag);
479: }
480: } else {
1.89 tobias 481: datetm = gmtime(&cvs_specified_date);
482: strftime(sticky, sizeof(sticky), "D%Y.%m.%d.%H.%M.%S",
483: datetm);
1.82 joris 484: }
485:
486: if (cvs_server_active == 1)
487: cvs_server_set_sticky(dir, sticky);
1.59 xsa 488:
1.82 joris 489: (void)fprintf(fp, "%s\n", sticky);
1.59 xsa 490: (void)fclose(fp);
491: } else {
492: (void)cvs_unlink(tagpath);
493: }
1.1 jfb 494: }
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