Annotation of src/usr.bin/cvs/file.c, Revision 1.200
1.200 ! joris 1: /* $OpenBSD: file.c,v 1.199 2007/09/22 16:01:22 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:
1.189 otto 28: #include <sys/types.h>
29: #include <sys/mman.h>
30: #include <sys/stat.h>
1.1 jfb 31:
1.189 otto 32: #include <errno.h>
33: #include <fcntl.h>
34: #include <fnmatch.h>
35: #include <libgen.h>
36: #include <string.h>
37: #include <unistd.h>
1.164 xsa 38:
1.197 tobias 39: #include "atomicio.h"
1.1 jfb 40: #include "cvs.h"
1.198 joris 41: #include "remote.h"
1.1 jfb 42:
1.104 xsa 43: #define CVS_IGN_STATIC 0x01 /* pattern is static, no need to glob */
1.1 jfb 44:
1.104 xsa 45: #define CVS_CHAR_ISMETA(c) ((c == '*') || (c == '?') || (c == '['))
1.1 jfb 46:
1.196 tobias 47: extern int print_stdout;
48:
1.1 jfb 49: /*
50: * Standard patterns to ignore.
51: */
52: static const char *cvs_ign_std[] = {
53: ".",
54: "..",
55: "*.o",
1.45 xsa 56: "*.a",
1.1 jfb 57: "*.bak",
58: "*.orig",
59: "*.rej",
1.45 xsa 60: "*.old",
1.1 jfb 61: "*.exe",
62: "*.depend",
1.45 xsa 63: "*.obj",
64: "*.elc",
65: "*.ln",
66: "*.olb",
1.1 jfb 67: "CVS",
68: "core",
1.102 joris 69: "cvslog*",
1.49 jfb 70: "*.core",
1.8 jfb 71: ".#*",
1.45 xsa 72: "*~",
73: "_$*",
74: "*$",
1.1 jfb 75: };
76:
1.199 joris 77: char *cvs_directory_tag = NULL;
1.138 joris 78: struct ignore_head cvs_ign_pats;
79: struct ignore_head dir_ign_pats;
1.1 jfb 80:
1.138 joris 81: void
1.1 jfb 82: cvs_file_init(void)
83: {
1.183 xsa 84: int i;
1.138 joris 85: FILE *ifp;
1.1 jfb 86: size_t len;
1.176 otto 87: char path[MAXPATHLEN], buf[MAXNAMLEN];
1.1 jfb 88:
89: TAILQ_INIT(&cvs_ign_pats);
1.138 joris 90: TAILQ_INIT(&dir_ign_pats);
1.4 jfb 91:
1.1 jfb 92: /* standard patterns to ignore */
1.10 jfb 93: for (i = 0; i < (int)(sizeof(cvs_ign_std)/sizeof(char *)); i++)
1.138 joris 94: cvs_file_ignore(cvs_ign_std[i], &cvs_ign_pats);
1.195 tobias 95:
96: if (cvs_homedir == NULL)
97: return;
1.1 jfb 98:
99: /* read the cvsignore file in the user's home directory, if any */
1.183 xsa 100: (void)xsnprintf(path, MAXPATHLEN, "%s/.cvsignore", cvs_homedir);
1.61 xsa 101:
1.111 xsa 102: ifp = fopen(path, "r");
103: if (ifp == NULL) {
104: if (errno != ENOENT)
105: cvs_log(LP_ERRNO,
106: "failed to open user's cvsignore file `%s'", path);
107: } else {
1.138 joris 108: while (fgets(buf, MAXNAMLEN, ifp) != NULL) {
1.111 xsa 109: len = strlen(buf);
110: if (len == 0)
111: continue;
1.163 moritz 112: if (buf[len - 1] == '\n')
113: buf[len - 1] = '\0';
1.138 joris 114:
115: cvs_file_ignore(buf, &cvs_ign_pats);
1.1 jfb 116: }
1.138 joris 117:
1.111 xsa 118: (void)fclose(ifp);
1.1 jfb 119: }
120: }
121:
1.138 joris 122: void
123: cvs_file_ignore(const char *pat, struct ignore_head *list)
1.1 jfb 124: {
125: char *cp;
1.138 joris 126: size_t len;
1.1 jfb 127: struct cvs_ignpat *ip;
128:
1.136 ray 129: ip = xmalloc(sizeof(*ip));
1.138 joris 130: len = strlcpy(ip->ip_pat, pat, sizeof(ip->ip_pat));
131: if (len >= sizeof(ip->ip_pat))
132: fatal("cvs_file_ignore: truncation of pattern '%s'", pat);
1.1 jfb 133:
134: /* check if we will need globbing for that pattern */
135: ip->ip_flags = CVS_IGN_STATIC;
136: for (cp = ip->ip_pat; *cp != '\0'; cp++) {
137: if (CVS_CHAR_ISMETA(*cp)) {
138: ip->ip_flags &= ~CVS_IGN_STATIC;
139: break;
140: }
141: }
142:
1.138 joris 143: TAILQ_INSERT_TAIL(list, ip, ip_list);
1.1 jfb 144: }
145:
146: int
1.5 jfb 147: cvs_file_chkign(const char *file)
1.1 jfb 148: {
1.23 jfb 149: int flags;
1.1 jfb 150: struct cvs_ignpat *ip;
151:
1.23 jfb 152: flags = FNM_PERIOD;
153: if (cvs_nocase)
154: flags |= FNM_CASEFOLD;
155:
1.1 jfb 156: TAILQ_FOREACH(ip, &cvs_ign_pats, ip_list) {
157: if (ip->ip_flags & CVS_IGN_STATIC) {
1.23 jfb 158: if (cvs_file_cmpname(file, ip->ip_pat) == 0)
1.1 jfb 159: return (1);
1.38 deraadt 160: } else if (fnmatch(ip->ip_pat, file, flags) == 0)
1.1 jfb 161: return (1);
162: }
163:
1.138 joris 164: TAILQ_FOREACH(ip, &dir_ign_pats, ip_list) {
165: if (ip->ip_flags & CVS_IGN_STATIC) {
166: if (cvs_file_cmpname(file, ip->ip_pat) == 0)
167: return (1);
168: } else if (fnmatch(ip->ip_pat, file, flags) == 0)
169: return (1);
170: }
171:
1.1 jfb 172: return (0);
173: }
174:
1.138 joris 175: void
176: cvs_file_run(int argc, char **argv, struct cvs_recursion *cr)
1.1 jfb 177: {
1.138 joris 178: int i;
179: struct cvs_flisthead fl;
1.84 joris 180:
1.138 joris 181: TAILQ_INIT(&fl);
1.85 joris 182:
1.138 joris 183: for (i = 0; i < argc; i++)
1.199 joris 184: cvs_file_get(argv[i], 1, &fl);
1.1 jfb 185:
1.138 joris 186: cvs_file_walklist(&fl, cr);
187: cvs_file_freelist(&fl);
1.3 jfb 188: }
189:
1.138 joris 190: struct cvs_filelist *
1.199 joris 191: cvs_file_get(const char *name, int check_dir_tag, struct cvs_flisthead *fl)
1.138 joris 192: {
193: const char *p;
194: struct cvs_filelist *l;
1.3 jfb 195:
1.138 joris 196: for (p = name; p[0] == '.' && p[1] == '/';)
197: p += 2;
1.35 jfb 198:
1.138 joris 199: TAILQ_FOREACH(l, fl, flist)
200: if (!strcmp(l->file_path, p))
201: return (l);
1.35 jfb 202:
1.138 joris 203: l = (struct cvs_filelist *)xmalloc(sizeof(*l));
204: l->file_path = xstrdup(p);
1.199 joris 205: l->check_dir_tag = check_dir_tag;
1.35 jfb 206:
1.138 joris 207: TAILQ_INSERT_TAIL(fl, l, flist);
208: return (l);
1.35 jfb 209: }
210:
1.138 joris 211: struct cvs_file *
212: cvs_file_get_cf(const char *d, const char *f, int fd, int type)
213: {
214: struct cvs_file *cf;
1.176 otto 215: char *p, rpath[MAXPATHLEN];
1.3 jfb 216:
1.183 xsa 217: (void)xsnprintf(rpath, MAXPATHLEN, "%s/%s", d, f);
1.138 joris 218:
219: for (p = rpath; p[0] == '.' && p[1] == '/';)
220: p += 2;
221:
222: cf = (struct cvs_file *)xmalloc(sizeof(*cf));
223: memset(cf, 0, sizeof(*cf));
224:
225: cf->file_name = xstrdup(f);
226: cf->file_wd = xstrdup(d);
227: cf->file_path = xstrdup(p);
228: cf->fd = fd;
229: cf->repo_fd = -1;
230: cf->file_type = type;
231: cf->file_status = cf->file_flags = 0;
232: cf->file_ent = NULL;
1.68 joris 233:
1.138 joris 234: return (cf);
1.9 jfb 235: }
236:
1.138 joris 237: void
238: cvs_file_walklist(struct cvs_flisthead *fl, struct cvs_recursion *cr)
1.9 jfb 239: {
1.183 xsa 240: int fd, type;
1.138 joris 241: struct stat st;
242: struct cvs_file *cf;
243: struct cvs_filelist *l, *nxt;
1.176 otto 244: char *d, *f, repo[MAXPATHLEN], fpath[MAXPATHLEN];
1.138 joris 245:
246: for (l = TAILQ_FIRST(fl); l != NULL; l = nxt) {
247: if (cvs_quit)
248: fatal("received signal %d", sig_received);
249:
250: cvs_log(LP_TRACE, "cvs_file_walklist: element '%s'",
251: l->file_path);
252:
253: if ((f = basename(l->file_path)) == NULL)
254: fatal("cvs_file_walklist: basename failed");
255: if ((d = dirname(l->file_path)) == NULL)
256: fatal("cvs_file_walklist: dirname failed");
257:
1.146 joris 258: type = CVS_FILE;
1.138 joris 259: if ((fd = open(l->file_path, O_RDONLY)) != -1) {
260: if (fstat(fd, &st) == -1) {
261: cvs_log(LP_ERRNO, "%s", l->file_path);
262: (void)close(fd);
263: goto next;
264: }
1.26 jfb 265:
1.138 joris 266: if (S_ISDIR(st.st_mode))
267: type = CVS_DIR;
268: else if (S_ISREG(st.st_mode))
269: type = CVS_FILE;
270: else {
271: cvs_log(LP_ERR,
272: "ignoring bad file type for %s",
273: l->file_path);
274: (void)close(fd);
275: goto next;
276: }
1.162 joris 277: } else if (current_cvsroot->cr_method == CVS_METHOD_LOCAL) {
1.196 tobias 278: /*
279: * During checkout -p, do not use any locally
280: * available directories.
281: */
282: if (cvs_cmdop != CVS_OP_CHECKOUT || !print_stdout)
283: if (stat(d, &st) == -1) {
284: cvs_log(LP_ERRNO, "%s", d);
285: goto next;
286: }
1.87 joris 287:
1.146 joris 288: cvs_get_repository_path(d, repo, MAXPATHLEN);
1.183 xsa 289: (void)xsnprintf(fpath, MAXPATHLEN, "%s/%s",
1.138 joris 290: repo, f);
291:
292: if ((fd = open(fpath, O_RDONLY)) == -1) {
293: strlcat(fpath, RCS_FILE_EXT, MAXPATHLEN);
294: fd = open(fpath, O_RDONLY);
295: }
1.26 jfb 296:
1.138 joris 297: if (fd != -1) {
298: if (fstat(fd, &st) == -1)
299: fatal("cvs_file_walklist: %s: %s",
300: fpath, strerror(errno));
301:
302: if (S_ISDIR(st.st_mode))
303: type = CVS_DIR;
304: else if (S_ISREG(st.st_mode))
305: type = CVS_FILE;
306: else {
307: cvs_log(LP_ERR,
308: "ignoring bad file type for %s",
309: l->file_path);
310: (void)close(fd);
311: goto next;
312: }
313:
314: /* this file is not in our working copy yet */
315: (void)close(fd);
316: fd = -1;
317: }
318: }
1.73 joris 319:
1.138 joris 320: cf = cvs_file_get_cf(d, f, fd, type);
321: if (cf->file_type == CVS_DIR) {
322: cvs_file_walkdir(cf, cr);
323: } else {
1.199 joris 324: if (l->check_dir_tag) {
325: cvs_parse_tagfile(cf->file_wd,
326: &cvs_directory_tag, NULL, NULL);
327:
328: if (cvs_directory_tag == NULL &&
329: cvs_specified_tag != NULL)
330: cvs_directory_tag = cvs_specified_tag;
331: }
332:
1.161 joris 333: if (cr->fileproc != NULL)
334: cr->fileproc(cf);
1.128 joris 335: }
1.100 joris 336:
1.138 joris 337: cvs_file_free(cf);
1.123 joris 338:
1.138 joris 339: next:
340: nxt = TAILQ_NEXT(l, flist);
341: TAILQ_REMOVE(fl, l, flist);
1.68 joris 342:
1.138 joris 343: xfree(l->file_path);
344: xfree(l);
1.100 joris 345: }
346: }
347:
1.138 joris 348: void
349: cvs_file_walkdir(struct cvs_file *cf, struct cvs_recursion *cr)
1.100 joris 350: {
1.171 joris 351: int l, type;
1.138 joris 352: FILE *fp;
353: int nbytes;
354: size_t len;
355: long base;
356: size_t bufsize;
357: struct stat st;
358: struct dirent *dp;
1.100 joris 359: struct cvs_ent *ent;
1.138 joris 360: struct cvs_ignpat *ip;
361: struct cvs_ent_line *line;
362: struct cvs_flisthead fl, dl;
363: CVSENTRIES *entlist;
1.194 joris 364: char *buf, *ebuf, *cp, repo[MAXPATHLEN], fpath[MAXPATHLEN];
1.100 joris 365:
1.138 joris 366: cvs_log(LP_TRACE, "cvs_file_walkdir(%s)", cf->file_path);
1.100 joris 367:
1.138 joris 368: if (cr->enterdir != NULL)
369: cr->enterdir(cf);
1.100 joris 370:
1.161 joris 371: if (cr->fileproc != NULL)
372: cr->fileproc(cf);
1.100 joris 373:
1.146 joris 374: if (cf->file_status == FILE_SKIP)
375: return;
376:
1.100 joris 377: /*
1.151 joris 378: * If we do not have a admin directory inside here, dont bother,
379: * unless we are running import.
1.100 joris 380: */
1.183 xsa 381: (void)xsnprintf(fpath, MAXPATHLEN, "%s/%s", cf->file_path,
1.138 joris 382: CVS_PATH_CVSDIR);
1.100 joris 383:
1.146 joris 384: l = stat(fpath, &st);
1.192 niallo 385: if (cvs_cmdop != CVS_OP_IMPORT && cvs_cmdop != CVS_OP_RLOG &&
1.151 joris 386: (l == -1 || (l == 0 && !S_ISDIR(st.st_mode)))) {
1.138 joris 387: return;
1.100 joris 388: }
389:
1.199 joris 390: cvs_parse_tagfile(cf->file_path, &cvs_directory_tag, NULL, NULL);
391:
1.100 joris 392: /*
1.138 joris 393: * check for a local .cvsignore file
1.100 joris 394: */
1.183 xsa 395: (void)xsnprintf(fpath, MAXPATHLEN, "%s/.cvsignore", cf->file_path);
1.100 joris 396:
1.138 joris 397: if ((fp = fopen(fpath, "r")) != NULL) {
1.163 moritz 398: while (fgets(fpath, MAXPATHLEN, fp) != NULL) {
1.138 joris 399: len = strlen(fpath);
1.163 moritz 400: if (len == 0)
401: continue;
1.138 joris 402: if (fpath[len - 1] == '\n')
403: fpath[len - 1] = '\0';
1.26 jfb 404:
1.138 joris 405: cvs_file_ignore(fpath, &dir_ign_pats);
1.68 joris 406: }
1.26 jfb 407:
1.138 joris 408: (void)fclose(fp);
1.100 joris 409: }
410:
1.138 joris 411: if (fstat(cf->fd, &st) == -1)
412: fatal("cvs_file_walkdir: %s %s", cf->file_path,
413: strerror(errno));
1.100 joris 414:
1.138 joris 415: bufsize = st.st_size;
416: if (bufsize < st.st_blksize)
417: bufsize = st.st_blksize;
1.116 joris 418:
1.138 joris 419: buf = xmalloc(bufsize);
420: TAILQ_INIT(&fl);
421: TAILQ_INIT(&dl);
1.87 joris 422:
1.138 joris 423: while ((nbytes = getdirentries(cf->fd, buf, bufsize, &base)) > 0) {
424: ebuf = buf + nbytes;
425: cp = buf;
1.26 jfb 426:
1.138 joris 427: while (cp < ebuf) {
428: dp = (struct dirent *)cp;
429: if (!strcmp(dp->d_name, ".") ||
430: !strcmp(dp->d_name, "..") ||
431: !strcmp(dp->d_name, CVS_PATH_CVSDIR) ||
1.186 joris 432: dp->d_fileno == 0) {
1.138 joris 433: cp += dp->d_reclen;
434: continue;
435: }
1.13 jfb 436:
1.138 joris 437: if (cvs_file_chkign(dp->d_name)) {
438: cp += dp->d_reclen;
1.13 jfb 439: continue;
1.138 joris 440: }
1.13 jfb 441:
1.192 niallo 442: len = xsnprintf(fpath, MAXPATHLEN, "%s/%s",
1.138 joris 443: cf->file_path, dp->d_name);
1.13 jfb 444:
1.138 joris 445: /*
1.171 joris 446: * nfs and afs will show d_type as DT_UNKNOWN
447: * for files and/or directories so when we encounter
1.184 todd 448: * this we call lstat() on the path to be sure.
1.138 joris 449: */
1.171 joris 450: if (dp->d_type == DT_UNKNOWN) {
1.184 todd 451: if (lstat(fpath, &st) == -1)
1.171 joris 452: fatal("'%s': %s", fpath,
453: strerror(errno));
454:
455: switch (st.st_mode & S_IFMT) {
456: case S_IFDIR:
457: type = CVS_DIR;
458: break;
459: case S_IFREG:
460: type = CVS_FILE;
461: break;
462: default:
1.175 ray 463: type = FILE_SKIP;
464: break;
1.171 joris 465: }
466: } else {
467: switch (dp->d_type) {
468: case DT_DIR:
469: type = CVS_DIR;
470: break;
471: case DT_REG:
472: type = CVS_FILE;
473: break;
474: default:
1.175 ray 475: type = FILE_SKIP;
476: break;
1.171 joris 477: }
1.175 ray 478: }
479:
480: if (type == FILE_SKIP) {
481: if (verbosity > 1) {
482: cvs_log(LP_NOTICE, "ignoring `%s'",
483: dp->d_name);
484: }
485: cp += dp->d_reclen;
486: continue;
1.171 joris 487: }
488:
489: switch (type) {
490: case CVS_DIR:
1.192 niallo 491: if (cr->flags & CR_RECURSE_DIRS)
1.199 joris 492: cvs_file_get(fpath, 0, &dl);
1.171 joris 493: break;
494: case CVS_FILE:
1.199 joris 495: cvs_file_get(fpath, 0, &fl);
1.171 joris 496: break;
497: default:
498: fatal("type %d unknown, shouldn't happen",
499: type);
500: }
1.13 jfb 501:
1.138 joris 502: cp += dp->d_reclen;
503: }
1.34 jfb 504: }
505:
1.138 joris 506: if (nbytes == -1)
507: fatal("cvs_file_walkdir: %s %s", cf->file_path,
508: strerror(errno));
1.22 jfb 509:
1.138 joris 510: xfree(buf);
1.22 jfb 511:
1.138 joris 512: while ((ip = TAILQ_FIRST(&dir_ign_pats)) != NULL) {
513: TAILQ_REMOVE(&dir_ign_pats, ip, ip_list);
514: xfree(ip);
1.91 joris 515: }
1.114 xsa 516:
1.138 joris 517: entlist = cvs_ent_open(cf->file_path);
518: TAILQ_FOREACH(line, &(entlist->cef_ent), entries_list) {
519: ent = cvs_ent_parse(line->buf);
1.61 xsa 520:
1.183 xsa 521: (void)xsnprintf(fpath, MAXPATHLEN, "%s/%s", cf->file_path,
1.138 joris 522: ent->ce_name);
1.100 joris 523:
1.140 joris 524: if (!(cr->flags & CR_RECURSE_DIRS) &&
525: ent->ce_type == CVS_ENT_DIR)
526: continue;
1.138 joris 527: if (ent->ce_type == CVS_ENT_DIR)
1.199 joris 528: cvs_file_get(fpath, 0, &dl);
1.138 joris 529: else if (ent->ce_type == CVS_ENT_FILE)
1.199 joris 530: cvs_file_get(fpath, 0, &fl);
1.68 joris 531:
1.138 joris 532: cvs_ent_free(ent);
1.128 joris 533: }
534:
1.138 joris 535: cvs_ent_close(entlist, ENT_NOSYNC);
1.91 joris 536:
1.140 joris 537: if (cr->flags & CR_REPO) {
1.146 joris 538: cvs_get_repository_path(cf->file_path, repo, MAXPATHLEN);
1.140 joris 539: cvs_repository_lock(repo);
1.68 joris 540:
1.140 joris 541: cvs_repository_getdir(repo, cf->file_path, &fl, &dl,
542: (cr->flags & CR_RECURSE_DIRS));
543: }
1.68 joris 544:
1.138 joris 545: cvs_file_walklist(&fl, cr);
546: cvs_file_freelist(&fl);
1.68 joris 547:
1.176 otto 548: if (cr->flags & CR_REPO)
1.140 joris 549: cvs_repository_unlock(repo);
1.68 joris 550:
1.138 joris 551: cvs_file_walklist(&dl, cr);
552: cvs_file_freelist(&dl);
1.34 jfb 553:
1.138 joris 554: if (cr->leavedir != NULL)
555: cr->leavedir(cf);
1.199 joris 556:
557: if (cvs_directory_tag != NULL) {
558: cvs_write_tagfile(cf->file_path, cvs_directory_tag, NULL, 0);
559: xfree(cvs_directory_tag);
560: cvs_directory_tag = NULL;
561: }
1.3 jfb 562: }
563:
564: void
1.138 joris 565: cvs_file_freelist(struct cvs_flisthead *fl)
1.3 jfb 566: {
1.138 joris 567: struct cvs_filelist *f;
1.62 jfb 568:
1.138 joris 569: while ((f = TAILQ_FIRST(fl)) != NULL) {
570: TAILQ_REMOVE(fl, f, flist);
571: xfree(f->file_path);
572: xfree(f);
1.62 jfb 573: }
1.5 jfb 574: }
575:
1.138 joris 576: void
1.185 joris 577: cvs_file_classify(struct cvs_file *cf, const char *tag)
1.3 jfb 578: {
1.138 joris 579: size_t len;
580: struct stat st;
1.149 joris 581: BUF *b1, *b2;
1.199 joris 582: int server_has_file, notag;
1.183 xsa 583: int rflags, ismodified, rcsdead;
1.138 joris 584: CVSENTRIES *entlist = NULL;
585: const char *state;
1.193 xsa 586: char repo[MAXPATHLEN], rcsfile[MAXPATHLEN];
1.194 joris 587: char r1[CVS_REV_BUFSZ], r2[CVS_REV_BUFSZ];
1.138 joris 588:
1.198 joris 589: cvs_log(LP_TRACE, "cvs_file_classify(%s, %s)", cf->file_path,
590: (tag != NULL) ? tag : "none");
1.138 joris 591:
592: if (!strcmp(cf->file_path, ".")) {
593: cf->file_status = FILE_UPTODATE;
594: return;
595: }
596:
1.146 joris 597: cvs_get_repository_path(cf->file_wd, repo, MAXPATHLEN);
1.183 xsa 598: (void)xsnprintf(rcsfile, MAXPATHLEN, "%s/%s",
1.138 joris 599: repo, cf->file_name);
600:
601: if (cf->file_type == CVS_FILE) {
602: len = strlcat(rcsfile, RCS_FILE_EXT, MAXPATHLEN);
603: if (len >= MAXPATHLEN)
604: fatal("cvs_file_classify: truncation");
605: }
606:
607: cf->file_rpath = xstrdup(rcsfile);
1.151 joris 608: entlist = cvs_ent_open(cf->file_wd);
1.138 joris 609: cf->file_ent = cvs_ent_get(entlist, cf->file_name);
610:
1.144 joris 611: if (cf->file_ent != NULL) {
612: if (cf->file_ent->ce_type == CVS_ENT_DIR &&
613: cf->file_type != CVS_DIR)
1.148 pedro 614: fatal("%s is supposed to be a directory, but it is not",
1.144 joris 615: cf->file_path);
616: if (cf->file_ent->ce_type == CVS_ENT_FILE &&
617: cf->file_type != CVS_FILE)
1.148 pedro 618: fatal("%s is supposed to be a file, but it is not",
1.144 joris 619: cf->file_path);
620: }
621:
1.138 joris 622: if (cf->file_type == CVS_DIR) {
623: if (cf->fd == -1 && stat(rcsfile, &st) != -1)
624: cf->file_status = DIR_CREATE;
1.192 niallo 625: else if (cf->file_ent != NULL || cvs_cmdop == CVS_OP_RLOG)
1.138 joris 626: cf->file_status = FILE_UPTODATE;
1.144 joris 627: else
628: cf->file_status = FILE_UNKNOWN;
629:
1.138 joris 630: cvs_ent_close(entlist, ENT_NOSYNC);
631: return;
632: }
633:
1.147 joris 634: rflags = RCS_READ;
635: switch (cvs_cmdop) {
636: case CVS_OP_COMMIT:
637: rflags = RCS_WRITE;
638: break;
1.156 joris 639: case CVS_OP_IMPORT:
1.147 joris 640: case CVS_OP_LOG:
1.192 niallo 641: case CVS_OP_RLOG:
1.147 joris 642: rflags |= RCS_PARSE_FULLY;
643: break;
644: }
645:
1.138 joris 646: cf->repo_fd = open(cf->file_rpath, O_RDONLY);
647: if (cf->repo_fd != -1) {
648: cf->file_rcs = rcs_open(cf->file_rpath, cf->repo_fd, rflags);
649: if (cf->file_rcs == NULL)
1.152 joris 650: fatal("cvs_file_classify: failed to parse RCS");
1.194 joris 651: } else {
652: (void)xsnprintf(rcsfile, MAXPATHLEN, "%s/%s/%s%s",
653: repo, CVS_PATH_ATTIC, cf->file_name, RCS_FILE_EXT);
654:
655: cf->repo_fd = open(rcsfile, O_RDONLY);
656: if (cf->repo_fd != -1) {
657: xfree(cf->file_rpath);
658: cf->file_rpath = xstrdup(rcsfile);
659: cf->file_rcs = rcs_open(cf->file_rpath,
660: cf->repo_fd, rflags);
661: if (cf->file_rcs == NULL)
662: fatal("cvs_file_classify: failed to parse RCS");
663: cf->in_attic = 1;
664: } else {
665: cf->file_rcs = NULL;
666: }
1.190 niallo 667: }
668:
1.199 joris 669: notag = 0;
1.200 ! joris 670: cf->file_flags |= FILE_HAS_TAG;
1.190 niallo 671: if (tag != NULL && cf->file_rcs != NULL) {
1.199 joris 672: if ((cf->file_rcsrev = rcs_translate_tag(tag,
673: cf->file_rcs)) != NULL) {
674: rcsnum_tostr(cf->file_rcsrev, r1, sizeof(r1));
675: } else {
676: notag = 1;
677: cf->file_rcsrev = rcs_head_get(cf->file_rcs);
1.200 ! joris 678: cf->file_flags &= ~FILE_HAS_TAG;
1.152 joris 679: }
1.172 niallo 680: } else if (cf->file_ent != NULL && cf->file_ent->ce_tag != NULL) {
1.169 joris 681: cf->file_rcsrev = rcsnum_alloc();
682: rcsnum_cpy(cf->file_ent->ce_rev, cf->file_rcsrev, 0);
1.190 niallo 683: } else if (cf->file_rcs != NULL) {
1.156 joris 684: cf->file_rcsrev = rcs_head_get(cf->file_rcs);
1.190 niallo 685: } else {
1.153 joris 686: cf->file_rcsrev = NULL;
1.190 niallo 687: }
1.153 joris 688:
1.138 joris 689: if (cf->file_ent != NULL)
690: rcsnum_tostr(cf->file_ent->ce_rev, r1, sizeof(r1));
1.190 niallo 691: if (cf->file_rcsrev != NULL) {
1.153 joris 692: rcsnum_tostr(cf->file_rcsrev, r2, sizeof(r2));
1.190 niallo 693: }
1.6 jfb 694:
1.138 joris 695: ismodified = rcsdead = 0;
696: if (cf->fd != -1 && cf->file_ent != NULL) {
697: if (fstat(cf->fd, &st) == -1)
698: fatal("cvs_file_classify: %s", strerror(errno));
1.6 jfb 699:
1.177 joris 700: if (st.st_mtime != cf->file_ent->ce_mtime)
1.138 joris 701: ismodified = 1;
1.149 joris 702: }
703:
1.198 joris 704: server_has_file = 0;
705: if (cvs_server_active == 1 && cf->file_ent != NULL &&
706: cf->file_ent->ce_mtime == CVS_SERVER_UPTODATE) {
707: server_has_file = 1;
708: ismodified = 0;
709: }
710:
1.149 joris 711: if (ismodified == 1 && cf->fd != -1 && cf->file_rcs != NULL) {
1.170 joris 712: b1 = rcs_rev_getbuf(cf->file_rcs, cf->file_rcsrev, 0);
1.149 joris 713: if (b1 == NULL)
714: fatal("failed to get HEAD revision for comparison");
715:
1.159 joris 716: b2 = cvs_buf_load_fd(cf->fd, BUF_AUTOEXT);
1.149 joris 717: if (b2 == NULL)
718: fatal("failed to get file content for comparison");
719:
720: if (cvs_buf_differ(b1, b2))
721: ismodified = 1;
722: else
723: ismodified = 0;
1.188 ray 724: cvs_buf_free(b1);
725: cvs_buf_free(b2);
1.62 jfb 726: }
727:
1.173 joris 728: if (cf->file_rcs != NULL && cf->file_rcsrev != NULL) {
1.153 joris 729: state = rcs_state_get(cf->file_rcs, cf->file_rcsrev);
1.138 joris 730: if (state == NULL)
731: fatal("failed to get state for HEAD for %s",
732: cf->file_path);
1.139 joris 733: if (!strcmp(state, RCS_STATE_DEAD))
1.138 joris 734: rcsdead = 1;
1.145 joris 735:
736: cf->file_rcs->rf_dead = rcsdead;
1.128 joris 737: }
738:
1.138 joris 739: /*
740: * 10 Sin
741: * 20 Goto hell
742: * (I welcome you if-else hell)
743: */
744: if (cf->file_ent == NULL) {
745: if (cf->file_rcs == NULL) {
746: if (cf->fd == -1) {
1.178 joris 747: cvs_log(LP_NOTICE,
748: "nothing known about '%s'",
749: cf->file_path);
1.138 joris 750: }
1.130 joris 751:
1.138 joris 752: cf->file_status = FILE_UNKNOWN;
753: } else if (rcsdead == 1) {
754: if (cf->fd == -1) {
755: cf->file_status = FILE_UPTODATE;
1.179 joris 756: } else if (cvs_cmdop != CVS_OP_ADD) {
1.138 joris 757: cf->file_status = FILE_UNKNOWN;
1.44 jfb 758: }
1.199 joris 759: } else if (notag == 0) {
760: cf->file_status = FILE_CHECKOUT;
1.138 joris 761: } else {
1.199 joris 762: cf->file_status = FILE_UPTODATE;
1.14 jfb 763: }
1.138 joris 764: } else if (cf->file_ent->ce_status == CVS_ENT_ADDED) {
765: if (cf->fd == -1) {
1.178 joris 766: if (cvs_cmdop != CVS_OP_REMOVE) {
1.138 joris 767: cvs_log(LP_NOTICE,
1.157 david 768: "warning: new-born %s has disappeared",
1.138 joris 769: cf->file_path);
1.178 joris 770: }
1.138 joris 771: cf->file_status = FILE_REMOVE_ENTRY;
772: } else if (cf->file_rcs == NULL || rcsdead == 1) {
773: cf->file_status = FILE_ADDED;
774: } else {
1.178 joris 775: cvs_log(LP_NOTICE,
776: "conflict: %s already created by others",
777: cf->file_path);
1.138 joris 778: cf->file_status = FILE_CONFLICT;
779: }
780: } else if (cf->file_ent->ce_status == CVS_ENT_REMOVED) {
781: if (cf->fd != -1) {
1.178 joris 782: cvs_log(LP_NOTICE,
783: "%s should be removed but is still there",
784: cf->file_path);
1.138 joris 785: cf->file_status = FILE_REMOVED;
786: } else if (cf->file_rcs == NULL || rcsdead == 1) {
787: cf->file_status = FILE_REMOVE_ENTRY;
1.66 joris 788: } else {
1.138 joris 789: if (strcmp(r1, r2)) {
1.178 joris 790: cvs_log(LP_NOTICE,
791: "conflict: removed %s was modified"
792: " by a second party",
793: cf->file_path);
1.138 joris 794: cf->file_status = FILE_CONFLICT;
795: } else {
796: cf->file_status = FILE_REMOVED;
797: }
1.66 joris 798: }
1.138 joris 799: } else if (cf->file_ent->ce_status == CVS_ENT_REG) {
1.194 joris 800: if (cf->file_rcs == NULL || rcsdead == 1 ||
1.199 joris 801: (reset_stickies == 1 && cf->in_attic == 1) ||
802: (notag == 1 && tag != NULL)) {
1.198 joris 803: if (cf->fd == -1 && server_has_file == 0) {
1.178 joris 804: cvs_log(LP_NOTICE,
805: "warning: %s's entry exists but"
806: " there is no longer a file"
807: " in the repository,"
808: " removing entry",
809: cf->file_path);
1.138 joris 810: cf->file_status = FILE_REMOVE_ENTRY;
811: } else {
812: if (ismodified) {
1.178 joris 813: cvs_log(LP_NOTICE,
814: "conflict: %s is no longer "
815: "in the repository but is "
816: "locally modified",
817: cf->file_path);
1.138 joris 818: cf->file_status = FILE_CONFLICT;
819: } else {
1.178 joris 820: cvs_log(LP_NOTICE,
821: "%s is no longer in the "
822: "repository",
823: cf->file_path);
1.128 joris 824:
1.138 joris 825: cf->file_status = FILE_UNLINK;
826: }
827: }
1.128 joris 828: } else {
1.198 joris 829: if (cf->fd == -1 && server_has_file == 0) {
1.178 joris 830: if (cvs_cmdop != CVS_OP_REMOVE) {
1.138 joris 831: cvs_log(LP_NOTICE,
832: "warning: %s was lost",
833: cf->file_path);
1.178 joris 834: }
1.138 joris 835: cf->file_status = FILE_LOST;
836: } else {
837: if (ismodified == 1)
838: cf->file_status = FILE_MODIFIED;
839: else
840: cf->file_status = FILE_UPTODATE;
841:
842: if (strcmp(r1, r2)) {
843: if (cf->file_status == FILE_MODIFIED)
844: cf->file_status = FILE_MERGE;
845: else
846: cf->file_status = FILE_PATCH;
847: }
848: }
1.128 joris 849: }
850: }
851:
1.138 joris 852: cvs_ent_close(entlist, ENT_NOSYNC);
853: }
1.14 jfb 854:
1.138 joris 855: void
856: cvs_file_free(struct cvs_file *cf)
857: {
858: xfree(cf->file_name);
859: xfree(cf->file_wd);
860: xfree(cf->file_path);
861:
1.167 joris 862: if (cf->file_rcsrev != NULL)
863: rcsnum_free(cf->file_rcsrev);
1.138 joris 864: if (cf->file_rpath != NULL)
865: xfree(cf->file_rpath);
866: if (cf->file_ent != NULL)
867: cvs_ent_free(cf->file_ent);
868: if (cf->file_rcs != NULL)
869: rcs_close(cf->file_rcs);
870: if (cf->fd != -1)
871: (void)close(cf->fd);
872: if (cf->repo_fd != -1)
873: (void)close(cf->repo_fd);
874: xfree(cf);
1.23 jfb 875: }
876:
1.165 xsa 877: int
1.23 jfb 878: cvs_file_cmpname(const char *name1, const char *name2)
879: {
880: return (cvs_nocase == 0) ? (strcmp(name1, name2)) :
881: (strcasecmp(name1, name2));
1.164 xsa 882: }
883:
884: int
885: cvs_file_cmp(const char *file1, const char *file2)
886: {
887: struct stat stb1, stb2;
888: int fd1, fd2, ret;
889:
890: ret = 0;
891:
892: if ((fd1 = open(file1, O_RDONLY|O_NOFOLLOW, 0)) == -1)
893: fatal("cvs_file_cmp: open: `%s': %s", file1, strerror(errno));
894: if ((fd2 = open(file2, O_RDONLY|O_NOFOLLOW, 0)) == -1)
895: fatal("cvs_file_cmp: open: `%s': %s", file2, strerror(errno));
896:
897: if (fstat(fd1, &stb1) == -1)
898: fatal("cvs_file_cmp: `%s': %s", file1, strerror(errno));
899: if (fstat(fd2, &stb2) == -1)
900: fatal("cvs_file_cmp: `%s': %s", file2, strerror(errno));
901:
902: if (stb1.st_size != stb2.st_size ||
903: (stb1.st_mode & S_IFMT) != (stb2.st_mode & S_IFMT)) {
904: ret = 1;
905: goto out;
906: }
907:
908: if (S_ISBLK(stb1.st_mode) || S_ISCHR(stb1.st_mode)) {
909: if (stb1.st_rdev != stb2.st_rdev)
910: ret = 1;
911: goto out;
912: }
913:
914: if (S_ISREG(stb1.st_mode)) {
915: void *p1, *p2;
916:
1.187 otto 917: if (stb1.st_size > (off_t)SIZE_MAX) {
1.164 xsa 918: ret = 1;
919: goto out;
920: }
921:
922: if ((p1 = mmap(NULL, stb1.st_size, PROT_READ,
923: MAP_FILE, fd1, (off_t)0)) == MAP_FAILED)
924: fatal("cvs_file_cmp: mmap failed");
925:
926: if ((p2 = mmap(NULL, stb1.st_size, PROT_READ,
927: MAP_FILE, fd2, (off_t)0)) == MAP_FAILED)
928: fatal("cvs_file_cmp: mmap failed");
929:
930: madvise(p1, stb1.st_size, MADV_SEQUENTIAL);
931: madvise(p2, stb1.st_size, MADV_SEQUENTIAL);
932:
933: ret = memcmp(p1, p2, stb1.st_size);
934:
935: (void)munmap(p1, stb1.st_size);
936: (void)munmap(p2, stb1.st_size);
937: }
938:
939: out:
940: (void)close(fd1);
941: (void)close(fd2);
1.166 xsa 942:
943: return (ret);
944: }
945:
946: int
947: cvs_file_copy(const char *from, const char *to)
948: {
949: struct stat st;
950: struct timeval tv[2];
951: time_t atime, mtime;
952: int src, dst, ret;
953:
954: ret = 0;
955:
956: cvs_log(LP_TRACE, "cvs_file_copy(%s,%s)", from, to);
957:
958: if (cvs_noexec == 1)
959: return (0);
960:
961: if ((src = open(from, O_RDONLY, 0)) == -1)
962: fatal("cvs_file_copy: open: `%s': %s", from, strerror(errno));
963:
964: if (fstat(src, &st) == -1)
965: fatal("cvs_file_copy: `%s': %s", from, strerror(errno));
966:
967: atime = st.st_atimespec.tv_sec;
968: mtime = st.st_mtimespec.tv_sec;
969:
970: if (S_ISREG(st.st_mode)) {
1.197 tobias 971: char *p;
1.166 xsa 972: int saved_errno;
973:
1.187 otto 974: if (st.st_size > (off_t)SIZE_MAX) {
1.166 xsa 975: ret = -1;
976: goto out;
977: }
978:
979: if ((dst = open(to, O_CREAT|O_TRUNC|O_WRONLY,
980: st.st_mode & (S_IRWXU|S_IRWXG|S_IRWXO))) == -1)
981: fatal("cvs_file_copy: open `%s': %s",
982: to, strerror(errno));
983:
984: if ((p = mmap(NULL, st.st_size, PROT_READ,
985: MAP_FILE, src, (off_t)0)) == MAP_FAILED) {
986: saved_errno = errno;
987: (void)unlink(to);
988: fatal("cvs_file_copy: mmap: %s", strerror(saved_errno));
989: }
990:
991: madvise(p, st.st_size, MADV_SEQUENTIAL);
992:
1.197 tobias 993: if (atomicio(vwrite, dst, p, st.st_size) != st.st_size) {
994: saved_errno = errno;
995: (void)unlink(to);
996: fatal("cvs_file_copy: `%s': %s", from,
997: strerror(saved_errno));
1.166 xsa 998: }
999:
1000: (void)munmap(p, st.st_size);
1001:
1002: tv[0].tv_sec = atime;
1003: tv[1].tv_sec = mtime;
1004:
1005: if (futimes(dst, tv) == -1) {
1006: saved_errno = errno;
1007: (void)unlink(to);
1008: fatal("cvs_file_copy: futimes: %s",
1009: strerror(saved_errno));
1010: }
1011: (void)close(dst);
1012: }
1013: out:
1014: (void)close(src);
1.164 xsa 1015:
1016: return (ret);
1.14 jfb 1017: }
![[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