Annotation of src/usr.bin/cvs/file.c, Revision 1.178
1.178 ! joris 1: /* $OpenBSD: file.c,v 1.177 2007/01/26 11:19:44 joris Exp $ */
1.1 jfb 2: /*
1.138 joris 3: * Copyright (c) 2006 Joris Vink <joris@openbsd.org>
1.1 jfb 4: * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
1.26 jfb 5: * All rights reserved.
1.1 jfb 6: *
1.26 jfb 7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
1.1 jfb 10: *
1.26 jfb 11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
1.1 jfb 13: * 2. The name of the author may not be used to endorse or promote products
1.26 jfb 14: * derived from this software without specific prior written permission.
1.1 jfb 15: *
16: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
17: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
18: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
19: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
1.26 jfb 25: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.1 jfb 26: */
27:
1.134 xsa 28: #include "includes.h"
1.1 jfb 29:
1.164 xsa 30: #include <sys/mman.h>
31:
1.1 jfb 32: #include "cvs.h"
1.83 xsa 33: #include "file.h"
1.1 jfb 34: #include "log.h"
35:
1.104 xsa 36: #define CVS_IGN_STATIC 0x01 /* pattern is static, no need to glob */
1.1 jfb 37:
1.104 xsa 38: #define CVS_CHAR_ISMETA(c) ((c == '*') || (c == '?') || (c == '['))
1.1 jfb 39:
40: /*
41: * Standard patterns to ignore.
42: */
43: static const char *cvs_ign_std[] = {
44: ".",
45: "..",
46: "*.o",
1.45 xsa 47: "*.a",
1.1 jfb 48: "*.bak",
49: "*.orig",
50: "*.rej",
1.45 xsa 51: "*.old",
1.1 jfb 52: "*.exe",
53: "*.depend",
1.45 xsa 54: "*.obj",
55: "*.elc",
56: "*.ln",
57: "*.olb",
1.1 jfb 58: "CVS",
59: "core",
1.102 joris 60: "cvslog*",
1.49 jfb 61: "*.core",
1.8 jfb 62: ".#*",
1.45 xsa 63: "*~",
64: "_$*",
65: "*$",
1.1 jfb 66: };
67:
1.138 joris 68: struct ignore_head cvs_ign_pats;
69: struct ignore_head dir_ign_pats;
1.1 jfb 70:
1.138 joris 71: void
1.1 jfb 72: cvs_file_init(void)
73: {
1.61 xsa 74: int i, l;
1.138 joris 75: FILE *ifp;
1.1 jfb 76: size_t len;
1.176 otto 77: char path[MAXPATHLEN], buf[MAXNAMLEN];
1.1 jfb 78:
79: TAILQ_INIT(&cvs_ign_pats);
1.138 joris 80: TAILQ_INIT(&dir_ign_pats);
1.4 jfb 81:
1.1 jfb 82: /* standard patterns to ignore */
1.10 jfb 83: for (i = 0; i < (int)(sizeof(cvs_ign_std)/sizeof(char *)); i++)
1.138 joris 84: cvs_file_ignore(cvs_ign_std[i], &cvs_ign_pats);
1.1 jfb 85:
86: /* read the cvsignore file in the user's home directory, if any */
1.138 joris 87: l = snprintf(path, MAXPATHLEN, "%s/.cvsignore", cvs_homedir);
88: if (l == -1 || l >= MAXPATHLEN)
89: fatal("overflow in cvs_file_init");
1.61 xsa 90:
1.111 xsa 91: ifp = fopen(path, "r");
92: if (ifp == NULL) {
93: if (errno != ENOENT)
94: cvs_log(LP_ERRNO,
95: "failed to open user's cvsignore file `%s'", path);
96: } else {
1.138 joris 97: while (fgets(buf, MAXNAMLEN, ifp) != NULL) {
1.111 xsa 98: len = strlen(buf);
99: if (len == 0)
100: continue;
1.163 moritz 101: if (buf[len - 1] == '\n')
102: buf[len - 1] = '\0';
1.138 joris 103:
104: cvs_file_ignore(buf, &cvs_ign_pats);
1.1 jfb 105: }
1.138 joris 106:
1.111 xsa 107: (void)fclose(ifp);
1.1 jfb 108: }
109: }
110:
1.138 joris 111: void
112: cvs_file_ignore(const char *pat, struct ignore_head *list)
1.1 jfb 113: {
114: char *cp;
1.138 joris 115: size_t len;
1.1 jfb 116: struct cvs_ignpat *ip;
117:
1.136 ray 118: ip = xmalloc(sizeof(*ip));
1.138 joris 119: len = strlcpy(ip->ip_pat, pat, sizeof(ip->ip_pat));
120: if (len >= sizeof(ip->ip_pat))
121: fatal("cvs_file_ignore: truncation of pattern '%s'", pat);
1.1 jfb 122:
123: /* check if we will need globbing for that pattern */
124: ip->ip_flags = CVS_IGN_STATIC;
125: for (cp = ip->ip_pat; *cp != '\0'; cp++) {
126: if (CVS_CHAR_ISMETA(*cp)) {
127: ip->ip_flags &= ~CVS_IGN_STATIC;
128: break;
129: }
130: }
131:
1.138 joris 132: TAILQ_INSERT_TAIL(list, ip, ip_list);
1.1 jfb 133: }
134:
135: int
1.5 jfb 136: cvs_file_chkign(const char *file)
1.1 jfb 137: {
1.23 jfb 138: int flags;
1.1 jfb 139: struct cvs_ignpat *ip;
140:
1.23 jfb 141: flags = FNM_PERIOD;
142: if (cvs_nocase)
143: flags |= FNM_CASEFOLD;
144:
1.1 jfb 145: TAILQ_FOREACH(ip, &cvs_ign_pats, ip_list) {
146: if (ip->ip_flags & CVS_IGN_STATIC) {
1.23 jfb 147: if (cvs_file_cmpname(file, ip->ip_pat) == 0)
1.1 jfb 148: return (1);
1.38 deraadt 149: } else if (fnmatch(ip->ip_pat, file, flags) == 0)
1.1 jfb 150: return (1);
151: }
152:
1.138 joris 153: TAILQ_FOREACH(ip, &dir_ign_pats, ip_list) {
154: if (ip->ip_flags & CVS_IGN_STATIC) {
155: if (cvs_file_cmpname(file, ip->ip_pat) == 0)
156: return (1);
157: } else if (fnmatch(ip->ip_pat, file, flags) == 0)
158: return (1);
159: }
160:
1.1 jfb 161: return (0);
162: }
163:
1.138 joris 164: void
165: cvs_file_run(int argc, char **argv, struct cvs_recursion *cr)
1.1 jfb 166: {
1.138 joris 167: int i;
168: struct cvs_flisthead fl;
1.84 joris 169:
1.138 joris 170: TAILQ_INIT(&fl);
1.85 joris 171:
1.138 joris 172: for (i = 0; i < argc; i++)
173: cvs_file_get(argv[i], &fl);
1.1 jfb 174:
1.138 joris 175: cvs_file_walklist(&fl, cr);
176: cvs_file_freelist(&fl);
1.3 jfb 177: }
178:
1.138 joris 179: struct cvs_filelist *
180: cvs_file_get(const char *name, struct cvs_flisthead *fl)
181: {
182: const char *p;
183: struct cvs_filelist *l;
1.3 jfb 184:
1.138 joris 185: for (p = name; p[0] == '.' && p[1] == '/';)
186: p += 2;
1.35 jfb 187:
1.138 joris 188: TAILQ_FOREACH(l, fl, flist)
189: if (!strcmp(l->file_path, p))
190: return (l);
1.35 jfb 191:
1.138 joris 192: l = (struct cvs_filelist *)xmalloc(sizeof(*l));
193: l->file_path = xstrdup(p);
1.35 jfb 194:
1.138 joris 195: TAILQ_INSERT_TAIL(fl, l, flist);
196: return (l);
1.35 jfb 197: }
198:
1.138 joris 199: struct cvs_file *
200: cvs_file_get_cf(const char *d, const char *f, int fd, int type)
201: {
202: int l;
203: struct cvs_file *cf;
1.176 otto 204: char *p, rpath[MAXPATHLEN];
1.3 jfb 205:
1.138 joris 206: l = snprintf(rpath, MAXPATHLEN, "%s/%s", d, f);
207: if (l == -1 || l >= MAXPATHLEN)
208: fatal("cvs_file_get_cf: overflow");
209:
210: for (p = rpath; p[0] == '.' && p[1] == '/';)
211: p += 2;
212:
213: cf = (struct cvs_file *)xmalloc(sizeof(*cf));
214: memset(cf, 0, sizeof(*cf));
215:
216: cf->file_name = xstrdup(f);
217: cf->file_wd = xstrdup(d);
218: cf->file_path = xstrdup(p);
219: cf->fd = fd;
220: cf->repo_fd = -1;
221: cf->file_type = type;
222: cf->file_status = cf->file_flags = 0;
223: cf->file_ent = NULL;
1.68 joris 224:
1.138 joris 225: return (cf);
1.9 jfb 226: }
227:
1.138 joris 228: void
229: cvs_file_walklist(struct cvs_flisthead *fl, struct cvs_recursion *cr)
1.9 jfb 230: {
1.138 joris 231: int len, fd, type;
232: struct stat st;
233: struct cvs_file *cf;
234: struct cvs_filelist *l, *nxt;
1.176 otto 235: char *d, *f, repo[MAXPATHLEN], fpath[MAXPATHLEN];
1.138 joris 236:
237: for (l = TAILQ_FIRST(fl); l != NULL; l = nxt) {
238: if (cvs_quit)
239: fatal("received signal %d", sig_received);
240:
241: cvs_log(LP_TRACE, "cvs_file_walklist: element '%s'",
242: l->file_path);
243:
244: if ((f = basename(l->file_path)) == NULL)
245: fatal("cvs_file_walklist: basename failed");
246: if ((d = dirname(l->file_path)) == NULL)
247: fatal("cvs_file_walklist: dirname failed");
248:
1.146 joris 249: type = CVS_FILE;
1.138 joris 250: if ((fd = open(l->file_path, O_RDONLY)) != -1) {
251: if (fstat(fd, &st) == -1) {
252: cvs_log(LP_ERRNO, "%s", l->file_path);
253: (void)close(fd);
254: goto next;
255: }
1.26 jfb 256:
1.138 joris 257: if (S_ISDIR(st.st_mode))
258: type = CVS_DIR;
259: else if (S_ISREG(st.st_mode))
260: type = CVS_FILE;
261: else {
262: cvs_log(LP_ERR,
263: "ignoring bad file type for %s",
264: l->file_path);
265: (void)close(fd);
266: goto next;
267: }
1.162 joris 268: } else if (current_cvsroot->cr_method == CVS_METHOD_LOCAL) {
1.138 joris 269: if (stat(d, &st) == -1) {
270: cvs_log(LP_ERRNO, "%s", d);
271: goto next;
272: }
1.87 joris 273:
1.146 joris 274: cvs_get_repository_path(d, repo, MAXPATHLEN);
1.138 joris 275: len = snprintf(fpath, MAXPATHLEN, "%s/%s",
276: repo, f);
277: if (len == -1 || len >= MAXPATHLEN)
278: fatal("cvs_file_walklist: overflow");
279:
280: if ((fd = open(fpath, O_RDONLY)) == -1) {
281: strlcat(fpath, RCS_FILE_EXT, MAXPATHLEN);
282: fd = open(fpath, O_RDONLY);
283: }
1.26 jfb 284:
1.138 joris 285: if (fd != -1) {
286: if (fstat(fd, &st) == -1)
287: fatal("cvs_file_walklist: %s: %s",
288: fpath, strerror(errno));
289:
290: if (S_ISDIR(st.st_mode))
291: type = CVS_DIR;
292: else if (S_ISREG(st.st_mode))
293: type = CVS_FILE;
294: else {
295: cvs_log(LP_ERR,
296: "ignoring bad file type for %s",
297: l->file_path);
298: (void)close(fd);
299: goto next;
300: }
301:
302: /* this file is not in our working copy yet */
303: (void)close(fd);
304: fd = -1;
305: }
306: }
1.73 joris 307:
1.138 joris 308: cf = cvs_file_get_cf(d, f, fd, type);
309: if (cf->file_type == CVS_DIR) {
310: cvs_file_walkdir(cf, cr);
311: } else {
1.161 joris 312: if (cr->fileproc != NULL)
313: cr->fileproc(cf);
1.128 joris 314: }
1.100 joris 315:
1.138 joris 316: cvs_file_free(cf);
1.123 joris 317:
1.138 joris 318: next:
319: nxt = TAILQ_NEXT(l, flist);
320: TAILQ_REMOVE(fl, l, flist);
1.68 joris 321:
1.138 joris 322: xfree(l->file_path);
323: xfree(l);
1.100 joris 324: }
325: }
326:
1.138 joris 327: void
328: cvs_file_walkdir(struct cvs_file *cf, struct cvs_recursion *cr)
1.100 joris 329: {
1.171 joris 330: int l, type;
1.138 joris 331: FILE *fp;
332: int nbytes;
333: size_t len;
334: long base;
335: size_t bufsize;
336: struct stat st;
337: struct dirent *dp;
1.100 joris 338: struct cvs_ent *ent;
1.138 joris 339: struct cvs_ignpat *ip;
340: struct cvs_ent_line *line;
341: struct cvs_flisthead fl, dl;
342: CVSENTRIES *entlist;
1.176 otto 343: char *buf, *ebuf, *cp, repo[MAXPATHLEN], fpath[MAXPATHLEN];
1.100 joris 344:
1.138 joris 345: cvs_log(LP_TRACE, "cvs_file_walkdir(%s)", cf->file_path);
1.100 joris 346:
1.138 joris 347: if (cr->enterdir != NULL)
348: cr->enterdir(cf);
1.100 joris 349:
1.161 joris 350: if (cr->fileproc != NULL)
351: cr->fileproc(cf);
1.100 joris 352:
1.146 joris 353: if (cf->file_status == FILE_SKIP)
354: return;
355:
1.100 joris 356: /*
1.151 joris 357: * If we do not have a admin directory inside here, dont bother,
358: * unless we are running import.
1.100 joris 359: */
1.138 joris 360: l = snprintf(fpath, MAXPATHLEN, "%s/%s", cf->file_path,
361: CVS_PATH_CVSDIR);
362: if (l == -1 || l >= MAXPATHLEN)
363: fatal("cvs_file_walkdir: overflow");
1.100 joris 364:
1.146 joris 365: l = stat(fpath, &st);
1.151 joris 366: if (cvs_cmdop != CVS_OP_IMPORT &&
367: (l == -1 || (l == 0 && !S_ISDIR(st.st_mode)))) {
1.138 joris 368: return;
1.100 joris 369: }
370:
371: /*
1.138 joris 372: * check for a local .cvsignore file
1.100 joris 373: */
1.138 joris 374: l = snprintf(fpath, MAXPATHLEN, "%s/.cvsignore", cf->file_path);
375: if (l == -1 || l >= MAXPATHLEN)
376: fatal("cvs_file_walkdir: overflow");
1.100 joris 377:
1.138 joris 378: if ((fp = fopen(fpath, "r")) != NULL) {
1.163 moritz 379: while (fgets(fpath, MAXPATHLEN, fp) != NULL) {
1.138 joris 380: len = strlen(fpath);
1.163 moritz 381: if (len == 0)
382: continue;
1.138 joris 383: if (fpath[len - 1] == '\n')
384: fpath[len - 1] = '\0';
1.26 jfb 385:
1.138 joris 386: cvs_file_ignore(fpath, &dir_ign_pats);
1.68 joris 387: }
1.26 jfb 388:
1.138 joris 389: (void)fclose(fp);
1.100 joris 390: }
391:
1.138 joris 392: if (fstat(cf->fd, &st) == -1)
393: fatal("cvs_file_walkdir: %s %s", cf->file_path,
394: strerror(errno));
1.100 joris 395:
1.138 joris 396: bufsize = st.st_size;
397: if (bufsize < st.st_blksize)
398: bufsize = st.st_blksize;
1.116 joris 399:
1.138 joris 400: buf = xmalloc(bufsize);
401: TAILQ_INIT(&fl);
402: TAILQ_INIT(&dl);
1.87 joris 403:
1.138 joris 404: while ((nbytes = getdirentries(cf->fd, buf, bufsize, &base)) > 0) {
405: ebuf = buf + nbytes;
406: cp = buf;
1.26 jfb 407:
1.138 joris 408: while (cp < ebuf) {
409: dp = (struct dirent *)cp;
410: if (!strcmp(dp->d_name, ".") ||
411: !strcmp(dp->d_name, "..") ||
412: !strcmp(dp->d_name, CVS_PATH_CVSDIR) ||
413: dp->d_reclen == 0) {
414: cp += dp->d_reclen;
415: continue;
416: }
1.13 jfb 417:
1.138 joris 418: if (cvs_file_chkign(dp->d_name)) {
419: cp += dp->d_reclen;
1.13 jfb 420: continue;
1.138 joris 421: }
1.13 jfb 422:
1.138 joris 423: l = snprintf(fpath, MAXPATHLEN, "%s/%s",
424: cf->file_path, dp->d_name);
425: if (l == -1 || l >= MAXPATHLEN)
426: fatal("cvs_file_walkdir: overflow");
1.13 jfb 427:
1.138 joris 428: /*
1.171 joris 429: * nfs and afs will show d_type as DT_UNKNOWN
430: * for files and/or directories so when we encounter
431: * this we call stat() on the path to be sure.
1.138 joris 432: */
1.171 joris 433: if (dp->d_type == DT_UNKNOWN) {
434: if (stat(fpath, &st) == -1)
435: fatal("'%s': %s", fpath,
436: strerror(errno));
437:
438: switch (st.st_mode & S_IFMT) {
439: case S_IFDIR:
440: type = CVS_DIR;
441: break;
442: case S_IFREG:
443: type = CVS_FILE;
444: break;
445: default:
1.175 ray 446: type = FILE_SKIP;
447: break;
1.171 joris 448: }
449: } else {
450: switch (dp->d_type) {
451: case DT_DIR:
452: type = CVS_DIR;
453: break;
454: case DT_REG:
455: type = CVS_FILE;
456: break;
457: default:
1.175 ray 458: type = FILE_SKIP;
459: break;
1.171 joris 460: }
1.175 ray 461: }
462:
463: if (type == FILE_SKIP) {
464: if (verbosity > 1) {
465: cvs_log(LP_NOTICE, "ignoring `%s'",
466: dp->d_name);
467: }
468: cp += dp->d_reclen;
469: continue;
1.171 joris 470: }
471:
472: if (!(cr->flags & CR_RECURSE_DIRS) &&
473: type == CVS_DIR) {
474: cp += dp->d_reclen;
475: continue;
476: }
477:
478: switch (type) {
479: case CVS_DIR:
1.138 joris 480: cvs_file_get(fpath, &dl);
1.171 joris 481: break;
482: case CVS_FILE:
1.138 joris 483: cvs_file_get(fpath, &fl);
1.171 joris 484: break;
485: default:
486: fatal("type %d unknown, shouldn't happen",
487: type);
488: }
1.13 jfb 489:
1.138 joris 490: cp += dp->d_reclen;
491: }
1.34 jfb 492: }
493:
1.138 joris 494: if (nbytes == -1)
495: fatal("cvs_file_walkdir: %s %s", cf->file_path,
496: strerror(errno));
1.22 jfb 497:
1.138 joris 498: xfree(buf);
1.22 jfb 499:
1.138 joris 500: while ((ip = TAILQ_FIRST(&dir_ign_pats)) != NULL) {
501: TAILQ_REMOVE(&dir_ign_pats, ip, ip_list);
502: xfree(ip);
1.91 joris 503: }
1.114 xsa 504:
1.138 joris 505: entlist = cvs_ent_open(cf->file_path);
506: TAILQ_FOREACH(line, &(entlist->cef_ent), entries_list) {
507: ent = cvs_ent_parse(line->buf);
1.61 xsa 508:
1.138 joris 509: l = snprintf(fpath, MAXPATHLEN, "%s/%s", cf->file_path,
510: ent->ce_name);
511: if (l == -1 || l >= MAXPATHLEN)
512: fatal("cvs_file_walkdir: overflow");
1.100 joris 513:
1.140 joris 514: if (!(cr->flags & CR_RECURSE_DIRS) &&
515: ent->ce_type == CVS_ENT_DIR)
516: continue;
517:
1.138 joris 518: if (ent->ce_type == CVS_ENT_DIR)
519: cvs_file_get(fpath, &dl);
520: else if (ent->ce_type == CVS_ENT_FILE)
521: cvs_file_get(fpath, &fl);
1.68 joris 522:
1.138 joris 523: cvs_ent_free(ent);
1.128 joris 524: }
525:
1.138 joris 526: cvs_ent_close(entlist, ENT_NOSYNC);
1.91 joris 527:
1.140 joris 528: if (cr->flags & CR_REPO) {
1.146 joris 529: cvs_get_repository_path(cf->file_path, repo, MAXPATHLEN);
1.140 joris 530: cvs_repository_lock(repo);
1.68 joris 531:
1.140 joris 532: cvs_repository_getdir(repo, cf->file_path, &fl, &dl,
533: (cr->flags & CR_RECURSE_DIRS));
534: }
1.68 joris 535:
1.138 joris 536: cvs_file_walklist(&fl, cr);
537: cvs_file_freelist(&fl);
1.68 joris 538:
1.176 otto 539: if (cr->flags & CR_REPO)
1.140 joris 540: cvs_repository_unlock(repo);
1.68 joris 541:
1.138 joris 542: cvs_file_walklist(&dl, cr);
543: cvs_file_freelist(&dl);
1.34 jfb 544:
1.138 joris 545: if (cr->leavedir != NULL)
546: cr->leavedir(cf);
1.3 jfb 547: }
548:
549: void
1.138 joris 550: cvs_file_freelist(struct cvs_flisthead *fl)
1.3 jfb 551: {
1.138 joris 552: struct cvs_filelist *f;
1.62 jfb 553:
1.138 joris 554: while ((f = TAILQ_FIRST(fl)) != NULL) {
555: TAILQ_REMOVE(fl, f, flist);
556: xfree(f->file_path);
557: xfree(f);
1.62 jfb 558: }
1.5 jfb 559: }
560:
1.138 joris 561: void
1.153 joris 562: cvs_file_classify(struct cvs_file *cf, const char *tag, int loud)
1.3 jfb 563: {
1.138 joris 564: size_t len;
565: struct stat st;
1.149 joris 566: BUF *b1, *b2;
1.178 ! joris 567: int rflags, l, ismodified, rcsdead;
1.138 joris 568: CVSENTRIES *entlist = NULL;
569: const char *state;
1.176 otto 570: char repo[MAXPATHLEN], rcsfile[MAXPATHLEN], r1[16], r2[16];
1.138 joris 571:
572: cvs_log(LP_TRACE, "cvs_file_classify(%s)", cf->file_path);
573:
574: if (!strcmp(cf->file_path, ".")) {
575: cf->file_status = FILE_UPTODATE;
576: return;
577: }
578:
1.146 joris 579: cvs_get_repository_path(cf->file_wd, repo, MAXPATHLEN);
1.138 joris 580: l = snprintf(rcsfile, MAXPATHLEN, "%s/%s",
581: repo, cf->file_name);
582: if (l == -1 || l >= MAXPATHLEN)
583: fatal("cvs_file_classify: overflow");
584:
585: if (cf->file_type == CVS_FILE) {
586: len = strlcat(rcsfile, RCS_FILE_EXT, MAXPATHLEN);
587: if (len >= MAXPATHLEN)
588: fatal("cvs_file_classify: truncation");
589: }
590:
591: cf->file_rpath = xstrdup(rcsfile);
1.151 joris 592:
593: entlist = cvs_ent_open(cf->file_wd);
1.138 joris 594: cf->file_ent = cvs_ent_get(entlist, cf->file_name);
595:
1.144 joris 596: if (cf->file_ent != NULL) {
597: if (cf->file_ent->ce_type == CVS_ENT_DIR &&
598: cf->file_type != CVS_DIR)
1.148 pedro 599: fatal("%s is supposed to be a directory, but it is not",
1.144 joris 600: cf->file_path);
601: if (cf->file_ent->ce_type == CVS_ENT_FILE &&
602: cf->file_type != CVS_FILE)
1.148 pedro 603: fatal("%s is supposed to be a file, but it is not",
1.144 joris 604: cf->file_path);
605: }
606:
1.138 joris 607: if (cf->file_type == CVS_DIR) {
608: if (cf->fd == -1 && stat(rcsfile, &st) != -1)
609: cf->file_status = DIR_CREATE;
610: else if (cf->file_ent != NULL)
611: cf->file_status = FILE_UPTODATE;
1.144 joris 612: else
613: cf->file_status = FILE_UNKNOWN;
614:
1.138 joris 615: cvs_ent_close(entlist, ENT_NOSYNC);
616: return;
617: }
618:
1.147 joris 619: rflags = RCS_READ;
620: switch (cvs_cmdop) {
621: case CVS_OP_COMMIT:
622: rflags = RCS_WRITE;
623: break;
1.156 joris 624: case CVS_OP_IMPORT:
1.147 joris 625: case CVS_OP_LOG:
626: rflags |= RCS_PARSE_FULLY;
627: break;
628: }
629:
1.138 joris 630: cf->repo_fd = open(cf->file_rpath, O_RDONLY);
631: if (cf->repo_fd != -1) {
632: cf->file_rcs = rcs_open(cf->file_rpath, cf->repo_fd, rflags);
633: if (cf->file_rcs == NULL)
1.152 joris 634: fatal("cvs_file_classify: failed to parse RCS");
635: cf->file_rcs->rf_inattic = 0;
1.155 joris 636: } else if (cvs_cmdop != CVS_OP_CHECKOUT) {
1.152 joris 637: l = snprintf(rcsfile, MAXPATHLEN, "%s/%s/%s%s",
638: repo, CVS_PATH_ATTIC, cf->file_name, RCS_FILE_EXT);
639: if (l == -1 || l >= MAXPATHLEN)
640: fatal("cvs_file_classify: overflow");
641:
1.155 joris 642: cf->repo_fd = open(rcsfile, O_RDONLY);
1.152 joris 643: if (cf->repo_fd != -1) {
1.155 joris 644: xfree(cf->file_rpath);
645: cf->file_rpath = xstrdup(rcsfile);
1.152 joris 646: cf->file_rcs = rcs_open(cf->file_rpath,
647: cf->repo_fd, rflags);
648: if (cf->file_rcs == NULL)
649: fatal("cvs_file_classify: failed to parse RCS");
650: cf->file_rcs->rf_inattic = 1;
651: } else {
652: cf->file_rcs = NULL;
653: }
1.154 joris 654: } else
655: cf->file_rcs = NULL;
1.3 jfb 656:
1.172 niallo 657: if (tag != NULL && cf->file_rcs != NULL) {
658: if ((cf->file_rcsrev = rcs_translate_tag(tag, cf->file_rcs)) == NULL)
1.174 joris 659: fatal("cvs_file_classify: could not translate tag `%s'", tag);
1.172 niallo 660: } else if (cf->file_ent != NULL && cf->file_ent->ce_tag != NULL) {
1.169 joris 661: cf->file_rcsrev = rcsnum_alloc();
662: rcsnum_cpy(cf->file_ent->ce_rev, cf->file_rcsrev, 0);
663: } else if (cf->file_rcs != NULL)
1.156 joris 664: cf->file_rcsrev = rcs_head_get(cf->file_rcs);
1.153 joris 665: else
666: cf->file_rcsrev = NULL;
667:
1.138 joris 668: if (cf->file_ent != NULL)
669: rcsnum_tostr(cf->file_ent->ce_rev, r1, sizeof(r1));
1.153 joris 670: if (cf->file_rcsrev != NULL)
671: rcsnum_tostr(cf->file_rcsrev, r2, sizeof(r2));
1.6 jfb 672:
1.138 joris 673: ismodified = rcsdead = 0;
674: if (cf->fd != -1 && cf->file_ent != NULL) {
675: if (fstat(cf->fd, &st) == -1)
676: fatal("cvs_file_classify: %s", strerror(errno));
1.6 jfb 677:
1.177 joris 678: if (st.st_mtime != cf->file_ent->ce_mtime)
1.138 joris 679: ismodified = 1;
1.149 joris 680: }
681:
682: if (ismodified == 1 && cf->fd != -1 && cf->file_rcs != NULL) {
1.170 joris 683: b1 = rcs_rev_getbuf(cf->file_rcs, cf->file_rcsrev, 0);
1.149 joris 684: if (b1 == NULL)
685: fatal("failed to get HEAD revision for comparison");
686:
1.159 joris 687: b2 = cvs_buf_load_fd(cf->fd, BUF_AUTOEXT);
1.149 joris 688: if (b2 == NULL)
689: fatal("failed to get file content for comparison");
690:
691: /* b1 and b2 get released in cvs_buf_differ */
692: if (cvs_buf_differ(b1, b2))
693: ismodified = 1;
694: else
695: ismodified = 0;
1.62 jfb 696: }
697:
1.173 joris 698: if (cf->file_rcs != NULL && cf->file_rcsrev != NULL) {
1.153 joris 699: state = rcs_state_get(cf->file_rcs, cf->file_rcsrev);
1.138 joris 700: if (state == NULL)
701: fatal("failed to get state for HEAD for %s",
702: cf->file_path);
1.139 joris 703: if (!strcmp(state, RCS_STATE_DEAD))
1.138 joris 704: rcsdead = 1;
1.145 joris 705:
706: cf->file_rcs->rf_dead = rcsdead;
1.128 joris 707: }
708:
1.138 joris 709: /*
710: * 10 Sin
711: * 20 Goto hell
712: * (I welcome you if-else hell)
713: */
714: if (cf->file_ent == NULL) {
715: if (cf->file_rcs == NULL) {
716: if (cf->fd == -1) {
1.178 ! joris 717: cvs_log(LP_NOTICE,
! 718: "nothing known about '%s'",
! 719: cf->file_path);
! 720: } else if (cvs_cmdop != CVS_OP_ADD) {
! 721: cvs_log(LP_NOTICE,
! 722: "use add to create an entry for %s",
! 723: cf->file_path);
1.138 joris 724: }
1.130 joris 725:
1.138 joris 726: cf->file_status = FILE_UNKNOWN;
727: } else if (rcsdead == 1) {
728: if (cf->fd == -1) {
729: cf->file_status = FILE_UPTODATE;
730: } else {
1.178 ! joris 731: cvs_log(LP_NOTICE,
! 732: "use add to create an entry for %s",
! 733: cf->file_path);
1.138 joris 734: cf->file_status = FILE_UNKNOWN;
1.44 jfb 735: }
1.138 joris 736: } else {
737: cf->file_status = FILE_CHECKOUT;
1.14 jfb 738: }
1.138 joris 739: } else if (cf->file_ent->ce_status == CVS_ENT_ADDED) {
740: if (cf->fd == -1) {
1.178 ! joris 741: if (cvs_cmdop != CVS_OP_REMOVE) {
1.138 joris 742: cvs_log(LP_NOTICE,
1.157 david 743: "warning: new-born %s has disappeared",
1.138 joris 744: cf->file_path);
1.178 ! joris 745: }
1.138 joris 746: cf->file_status = FILE_REMOVE_ENTRY;
747: } else if (cf->file_rcs == NULL || rcsdead == 1) {
748: cf->file_status = FILE_ADDED;
749: } else {
1.178 ! joris 750: cvs_log(LP_NOTICE,
! 751: "conflict: %s already created by others",
! 752: cf->file_path);
1.138 joris 753: cf->file_status = FILE_CONFLICT;
754: }
755: } else if (cf->file_ent->ce_status == CVS_ENT_REMOVED) {
756: if (cf->fd != -1) {
1.178 ! joris 757: cvs_log(LP_NOTICE,
! 758: "%s should be removed but is still there",
! 759: cf->file_path);
1.138 joris 760: cf->file_status = FILE_REMOVED;
761: } else if (cf->file_rcs == NULL || rcsdead == 1) {
762: cf->file_status = FILE_REMOVE_ENTRY;
1.66 joris 763: } else {
1.138 joris 764: if (strcmp(r1, r2)) {
1.178 ! joris 765: cvs_log(LP_NOTICE,
! 766: "conflict: removed %s was modified"
! 767: " by a second party",
! 768: cf->file_path);
1.138 joris 769: cf->file_status = FILE_CONFLICT;
770: } else {
771: cf->file_status = FILE_REMOVED;
772: }
1.66 joris 773: }
1.138 joris 774: } else if (cf->file_ent->ce_status == CVS_ENT_REG) {
775: if (cf->file_rcs == NULL || rcsdead == 1) {
776: if (cf->fd == -1) {
1.178 ! joris 777: cvs_log(LP_NOTICE,
! 778: "warning: %s's entry exists but"
! 779: " there is no longer a file"
! 780: " in the repository,"
! 781: " removing entry",
! 782: cf->file_path);
1.138 joris 783: cf->file_status = FILE_REMOVE_ENTRY;
784: } else {
785: if (ismodified) {
1.178 ! joris 786: cvs_log(LP_NOTICE,
! 787: "conflict: %s is no longer "
! 788: "in the repository but is "
! 789: "locally modified",
! 790: cf->file_path);
1.138 joris 791: cf->file_status = FILE_CONFLICT;
792: } else {
1.178 ! joris 793: cvs_log(LP_NOTICE,
! 794: "%s is no longer in the "
! 795: "repository",
! 796: cf->file_path);
1.128 joris 797:
1.138 joris 798: cf->file_status = FILE_UNLINK;
799: }
800: }
1.128 joris 801: } else {
1.138 joris 802: if (cf->fd == -1) {
1.178 ! joris 803: if (cvs_cmdop != CVS_OP_REMOVE) {
1.138 joris 804: cvs_log(LP_NOTICE,
805: "warning: %s was lost",
806: cf->file_path);
1.178 ! joris 807: }
1.138 joris 808: cf->file_status = FILE_LOST;
809: } else {
810: if (ismodified == 1)
811: cf->file_status = FILE_MODIFIED;
812: else
813: cf->file_status = FILE_UPTODATE;
814:
815: if (strcmp(r1, r2)) {
816: if (cf->file_status == FILE_MODIFIED)
817: cf->file_status = FILE_MERGE;
818: else
819: cf->file_status = FILE_PATCH;
820: }
821: }
1.128 joris 822: }
823: }
824:
1.138 joris 825: cvs_ent_close(entlist, ENT_NOSYNC);
826: }
1.14 jfb 827:
1.138 joris 828: void
829: cvs_file_free(struct cvs_file *cf)
830: {
831: xfree(cf->file_name);
832: xfree(cf->file_wd);
833: xfree(cf->file_path);
834:
1.167 joris 835: if (cf->file_rcsrev != NULL)
836: rcsnum_free(cf->file_rcsrev);
1.138 joris 837: if (cf->file_rpath != NULL)
838: xfree(cf->file_rpath);
839: if (cf->file_ent != NULL)
840: cvs_ent_free(cf->file_ent);
841: if (cf->file_rcs != NULL)
842: rcs_close(cf->file_rcs);
843: if (cf->fd != -1)
844: (void)close(cf->fd);
845: if (cf->repo_fd != -1)
846: (void)close(cf->repo_fd);
847: xfree(cf);
1.23 jfb 848: }
849:
1.165 xsa 850: int
1.23 jfb 851: cvs_file_cmpname(const char *name1, const char *name2)
852: {
853: return (cvs_nocase == 0) ? (strcmp(name1, name2)) :
854: (strcasecmp(name1, name2));
1.164 xsa 855: }
856:
857: int
858: cvs_file_cmp(const char *file1, const char *file2)
859: {
860: struct stat stb1, stb2;
861: int fd1, fd2, ret;
862:
863: ret = 0;
864:
865: if ((fd1 = open(file1, O_RDONLY|O_NOFOLLOW, 0)) == -1)
866: fatal("cvs_file_cmp: open: `%s': %s", file1, strerror(errno));
867: if ((fd2 = open(file2, O_RDONLY|O_NOFOLLOW, 0)) == -1)
868: fatal("cvs_file_cmp: open: `%s': %s", file2, strerror(errno));
869:
870: if (fstat(fd1, &stb1) == -1)
871: fatal("cvs_file_cmp: `%s': %s", file1, strerror(errno));
872: if (fstat(fd2, &stb2) == -1)
873: fatal("cvs_file_cmp: `%s': %s", file2, strerror(errno));
874:
875: if (stb1.st_size != stb2.st_size ||
876: (stb1.st_mode & S_IFMT) != (stb2.st_mode & S_IFMT)) {
877: ret = 1;
878: goto out;
879: }
880:
881: if (S_ISBLK(stb1.st_mode) || S_ISCHR(stb1.st_mode)) {
882: if (stb1.st_rdev != stb2.st_rdev)
883: ret = 1;
884: goto out;
885: }
886:
887: if (S_ISREG(stb1.st_mode)) {
888: void *p1, *p2;
889:
890: if (stb1.st_size > SIZE_MAX) {
891: ret = 1;
892: goto out;
893: }
894:
895: if ((p1 = mmap(NULL, stb1.st_size, PROT_READ,
896: MAP_FILE, fd1, (off_t)0)) == MAP_FAILED)
897: fatal("cvs_file_cmp: mmap failed");
898:
899: if ((p2 = mmap(NULL, stb1.st_size, PROT_READ,
900: MAP_FILE, fd2, (off_t)0)) == MAP_FAILED)
901: fatal("cvs_file_cmp: mmap failed");
902:
903: madvise(p1, stb1.st_size, MADV_SEQUENTIAL);
904: madvise(p2, stb1.st_size, MADV_SEQUENTIAL);
905:
906: ret = memcmp(p1, p2, stb1.st_size);
907:
908: (void)munmap(p1, stb1.st_size);
909: (void)munmap(p2, stb1.st_size);
910: }
911:
912: out:
913: (void)close(fd1);
914: (void)close(fd2);
1.166 xsa 915:
916: return (ret);
917: }
918:
919: int
920: cvs_file_copy(const char *from, const char *to)
921: {
922: struct stat st;
923: struct timeval tv[2];
924: time_t atime, mtime;
925: int src, dst, ret;
926:
927: ret = 0;
928:
929: cvs_log(LP_TRACE, "cvs_file_copy(%s,%s)", from, to);
930:
931: if (cvs_noexec == 1)
932: return (0);
933:
934: if ((src = open(from, O_RDONLY, 0)) == -1)
935: fatal("cvs_file_copy: open: `%s': %s", from, strerror(errno));
936:
937: if (fstat(src, &st) == -1)
938: fatal("cvs_file_copy: `%s': %s", from, strerror(errno));
939:
940: atime = st.st_atimespec.tv_sec;
941: mtime = st.st_mtimespec.tv_sec;
942:
943: if (S_ISREG(st.st_mode)) {
944: size_t sz;
945: ssize_t nw;
946: char *p, *buf;
947: int saved_errno;
948:
949: if (st.st_size > SIZE_MAX) {
950: ret = -1;
951: goto out;
952: }
953:
954: if ((dst = open(to, O_CREAT|O_TRUNC|O_WRONLY,
955: st.st_mode & (S_IRWXU|S_IRWXG|S_IRWXO))) == -1)
956: fatal("cvs_file_copy: open `%s': %s",
957: to, strerror(errno));
958:
959: if ((p = mmap(NULL, st.st_size, PROT_READ,
960: MAP_FILE, src, (off_t)0)) == MAP_FAILED) {
961: saved_errno = errno;
962: (void)unlink(to);
963: fatal("cvs_file_copy: mmap: %s", strerror(saved_errno));
964: }
965:
966: madvise(p, st.st_size, MADV_SEQUENTIAL);
967:
968: sz = st.st_size;
969: buf = p;
970:
971: while (sz > 0) {
972: if ((nw = write(dst, p, sz)) == -1) {
973: saved_errno = errno;
974: (void)unlink(to);
975: fatal("cvs_file_copy: `%s': %s",
976: from, strerror(saved_errno));
977: }
978: buf += nw;
979: sz -= nw;
980: }
981:
982: (void)munmap(p, st.st_size);
983:
984: tv[0].tv_sec = atime;
985: tv[1].tv_sec = mtime;
986:
987: if (futimes(dst, tv) == -1) {
988: saved_errno = errno;
989: (void)unlink(to);
990: fatal("cvs_file_copy: futimes: %s",
991: strerror(saved_errno));
992: }
993: (void)close(dst);
994: }
995: out:
996: (void)close(src);
1.164 xsa 997:
998: return (ret);
1.14 jfb 999: }
![[BACK]](/icons/back.gif){kind=icon}
Return to file.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / cvs