Annotation of src/usr.bin/cvs/file.c, Revision 1.61
1.61 ! xsa 1: /* $OpenBSD: file.c,v 1.60 2005/04/13 20:11:21 joris Exp $ */
1.1 jfb 2: /*
3: * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
1.26 jfb 4: * All rights reserved.
1.1 jfb 5: *
1.26 jfb 6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
1.1 jfb 9: *
1.26 jfb 10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
1.1 jfb 12: * 2. The name of the author may not be used to endorse or promote products
1.26 jfb 13: * derived from this software without specific prior written permission.
1.1 jfb 14: *
15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
1.26 jfb 24: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.1 jfb 25: */
26:
27: #include <sys/types.h>
28: #include <sys/queue.h>
29: #include <sys/stat.h>
30:
31: #include <pwd.h>
32: #include <errno.h>
33: #include <stdio.h>
34: #include <fcntl.h>
1.51 jfb 35: #include <libgen.h>
1.1 jfb 36: #include <dirent.h>
37: #include <stdlib.h>
38: #include <unistd.h>
39: #include <string.h>
40: #include <fnmatch.h>
41:
42: #include "cvs.h"
43: #include "log.h"
1.14 jfb 44: #include "file.h"
1.57 jfb 45: #include "strtab.h"
1.1 jfb 46:
47:
48: #define CVS_IGN_STATIC 0x01 /* pattern is static, no need to glob */
49:
50: #define CVS_CHAR_ISMETA(c) ((c == '*') || (c == '?') || (c == '['))
51:
52:
53: /* ignore pattern */
54: struct cvs_ignpat {
55: char ip_pat[MAXNAMLEN];
56: int ip_flags;
57: TAILQ_ENTRY (cvs_ignpat) ip_list;
58: };
59:
60:
61: /*
62: * Standard patterns to ignore.
63: */
64: static const char *cvs_ign_std[] = {
65: ".",
66: "..",
67: "*.o",
68: "*.so",
1.45 xsa 69: "*.a",
1.1 jfb 70: "*.bak",
71: "*.orig",
72: "*.rej",
1.45 xsa 73: "*.old",
1.1 jfb 74: "*.exe",
75: "*.depend",
1.45 xsa 76: "*.obj",
77: "*.elc",
78: "*.ln",
79: "*.olb",
1.1 jfb 80: "CVS",
81: "core",
1.49 jfb 82: "*.core",
1.8 jfb 83: ".#*",
1.45 xsa 84: "*~",
85: "_$*",
86: "*$",
1.1 jfb 87: #ifdef OLD_SMELLY_CRUFT
88: "RCSLOG",
89: "tags",
90: "TAGS",
91: "RCS",
92: "SCCS",
1.45 xsa 93: "cvslog.*", /* to ignore CVS_CLIENT_LOG output */
1.1 jfb 94: "#*",
95: ",*",
96: #endif
97: };
98:
99:
1.11 jfb 100: /*
101: * Entries in the CVS/Entries file with a revision of '0' have only been
102: * added. Compare against this revision to see if this is the case
103: */
1.4 jfb 104: static RCSNUM *cvs_addedrev;
105:
106:
1.1 jfb 107: TAILQ_HEAD(, cvs_ignpat) cvs_ign_pats;
108:
109:
1.57 jfb 110: static int cvs_file_getdir (CVSFILE *, int);
111: static void cvs_file_freedir (struct cvs_dir *);
112: static int cvs_file_sort (struct cvs_flist *, u_int);
113: static int cvs_file_cmp (const void *, const void *);
114: static int cvs_file_cmpname (const char *, const char *);
115: static CVSFILE* cvs_file_alloc (const char *, u_int);
116: static CVSFILE* cvs_file_lget (const char *, int, CVSFILE *);
1.3 jfb 117:
118:
119:
1.1 jfb 120: /*
121: * cvs_file_init()
122: *
123: */
124: int
125: cvs_file_init(void)
126: {
1.61 ! xsa 127: int i, l;
1.1 jfb 128: size_t len;
129: char path[MAXPATHLEN], buf[MAXNAMLEN];
130: FILE *ifp;
131: struct passwd *pwd;
132:
133: TAILQ_INIT(&cvs_ign_pats);
134:
1.53 jfb 135: if ((cvs_addedrev = rcsnum_parse("0")) == NULL)
1.46 jfb 136: return (-1);
1.4 jfb 137:
1.1 jfb 138: /* standard patterns to ignore */
1.10 jfb 139: for (i = 0; i < (int)(sizeof(cvs_ign_std)/sizeof(char *)); i++)
1.26 jfb 140: cvs_file_ignore(cvs_ign_std[i]);
1.1 jfb 141:
142: /* read the cvsignore file in the user's home directory, if any */
143: pwd = getpwuid(getuid());
144: if (pwd != NULL) {
1.61 ! xsa 145: l = snprintf(path, sizeof(path), "%s/.cvsignore", pwd->pw_dir);
! 146: if (l == -1 || l >= (int)sizeof(path)) {
! 147: errno = ENAMETOOLONG;
! 148: cvs_log(LP_ERRNO, "%s", path);
! 149: return (-1);
! 150: }
! 151:
1.1 jfb 152: ifp = fopen(path, "r");
153: if (ifp == NULL) {
154: if (errno != ENOENT)
1.34 jfb 155: cvs_log(LP_ERRNO,
156: "failed to open user's cvsignore", path);
1.38 deraadt 157: } else {
1.1 jfb 158: while (fgets(buf, sizeof(buf), ifp) != NULL) {
159: len = strlen(buf);
160: if (len == 0)
161: continue;
162: if (buf[len - 1] != '\n') {
163: cvs_log(LP_ERR, "line too long in `%s'",
164: path);
165: }
166: buf[--len] = '\0';
167: cvs_file_ignore(buf);
168: }
169: (void)fclose(ifp);
170: }
171: }
172:
173: return (0);
174: }
175:
176:
177: /*
178: * cvs_file_ignore()
179: *
180: * Add the pattern <pat> to the list of patterns for files to ignore.
181: * Returns 0 on success, or -1 on failure.
182: */
183: int
184: cvs_file_ignore(const char *pat)
185: {
186: char *cp;
187: struct cvs_ignpat *ip;
188:
189: ip = (struct cvs_ignpat *)malloc(sizeof(*ip));
190: if (ip == NULL) {
191: cvs_log(LP_ERR, "failed to allocate space for ignore pattern");
192: return (-1);
193: }
194:
195: strlcpy(ip->ip_pat, pat, sizeof(ip->ip_pat));
196:
197: /* check if we will need globbing for that pattern */
198: ip->ip_flags = CVS_IGN_STATIC;
199: for (cp = ip->ip_pat; *cp != '\0'; cp++) {
200: if (CVS_CHAR_ISMETA(*cp)) {
201: ip->ip_flags &= ~CVS_IGN_STATIC;
202: break;
203: }
204: }
205:
206: TAILQ_INSERT_TAIL(&cvs_ign_pats, ip, ip_list);
207:
208: return (0);
209: }
210:
211:
212: /*
1.5 jfb 213: * cvs_file_chkign()
1.1 jfb 214: *
215: * Returns 1 if the filename <file> is matched by one of the ignore
216: * patterns, or 0 otherwise.
217: */
218: int
1.5 jfb 219: cvs_file_chkign(const char *file)
1.1 jfb 220: {
1.23 jfb 221: int flags;
1.1 jfb 222: struct cvs_ignpat *ip;
223:
1.23 jfb 224: flags = FNM_PERIOD;
225: if (cvs_nocase)
226: flags |= FNM_CASEFOLD;
227:
1.1 jfb 228: TAILQ_FOREACH(ip, &cvs_ign_pats, ip_list) {
229: if (ip->ip_flags & CVS_IGN_STATIC) {
1.23 jfb 230: if (cvs_file_cmpname(file, ip->ip_pat) == 0)
1.1 jfb 231: return (1);
1.38 deraadt 232: } else if (fnmatch(ip->ip_pat, file, flags) == 0)
1.1 jfb 233: return (1);
234: }
235:
236: return (0);
237: }
238:
239:
240: /*
1.6 jfb 241: * cvs_file_create()
1.1 jfb 242: *
1.6 jfb 243: * Create a new file whose path is specified in <path> and of type <type>.
1.26 jfb 244: * If the type is DT_DIR, the CVS administrative repository and files will be
245: * created.
1.25 jfb 246: * Returns the created file on success, or NULL on failure.
1.1 jfb 247: */
1.6 jfb 248: CVSFILE*
1.34 jfb 249: cvs_file_create(CVSFILE *parent, const char *path, u_int type, mode_t mode)
1.1 jfb 250: {
1.6 jfb 251: int fd;
1.34 jfb 252: char fp[MAXPATHLEN];
1.6 jfb 253: CVSFILE *cfp;
1.1 jfb 254:
1.6 jfb 255: cfp = cvs_file_alloc(path, type);
256: if (cfp == NULL)
257: return (NULL);
1.26 jfb 258:
1.22 jfb 259: cfp->cf_mode = mode;
1.34 jfb 260: cfp->cf_parent = parent;
1.1 jfb 261:
1.34 jfb 262: if (type == DT_DIR) {
263: cfp->cf_ddat->cd_root = cvsroot_get(path);
264: cfp->cf_ddat->cd_repo = strdup(cvs_file_getpath(cfp,
265: fp, sizeof(fp)));
266: if (cfp->cf_ddat->cd_repo == NULL) {
267: cvs_file_free(cfp);
268: return (NULL);
269: }
1.33 joris 270:
1.26 jfb 271: if ((mkdir(path, mode) == -1) || (cvs_mkadmin(cfp, mode) < 0)) {
1.6 jfb 272: cvs_file_free(cfp);
273: return (NULL);
274: }
1.26 jfb 275:
1.27 jfb 276: cfp->cf_ddat->cd_ent = cvs_ent_open(path, O_RDWR);
1.50 jfb 277: if (cfp->cf_ddat->cd_ent != NULL) {
278: cvs_ent_close(cfp->cf_ddat->cd_ent);
279: cfp->cf_ddat->cd_ent = NULL;
280: }
1.38 deraadt 281: } else {
1.6 jfb 282: fd = open(path, O_WRONLY|O_CREAT|O_EXCL, mode);
283: if (fd == -1) {
284: cvs_file_free(cfp);
1.1 jfb 285: return (NULL);
286: }
1.6 jfb 287: (void)close(fd);
1.1 jfb 288: }
289:
1.6 jfb 290: return (cfp);
1.3 jfb 291: }
292:
293:
294: /*
1.35 jfb 295: * cvs_file_copy()
296: *
297: * Allocate space to create a copy of the file <orig>. The copy inherits all
298: * of the original's attributes, but does not inherit its children if the
299: * original file is a directory. Note that files copied using this mechanism
300: * are linked to their parent, but the parent has no link to the file. This
301: * is so cvs_file_getpath() works.
302: * Returns the copied file on success, or NULL on failure. The returned
303: * structure should be freed using cvs_file_free().
304: */
305: CVSFILE*
306: cvs_file_copy(CVSFILE *orig)
307: {
308: char path[MAXPATHLEN];
309: CVSFILE *cfp;
310:
311: cvs_file_getpath(orig, path, sizeof(path));
312:
313: cfp = cvs_file_alloc(path, orig->cf_type);
314: if (cfp == NULL)
315: return (NULL);
316:
317: cfp->cf_parent = orig->cf_parent;
318: cfp->cf_mode = orig->cf_mode;
319: cfp->cf_mtime = orig->cf_mtime;
320: cfp->cf_cvstat = orig->cf_cvstat;
321:
322: if (orig->cf_type == DT_DIR) {
323: /* XXX copy CVS directory attributes */
324: }
325:
326: return (cfp);
327: }
328:
329:
330: /*
1.3 jfb 331: * cvs_file_get()
332: *
333: * Load a cvs_file structure with all the information pertaining to the file
334: * <path>.
1.4 jfb 335: * The <flags> parameter specifies various flags that alter the behaviour of
1.21 jfb 336: * the function. The CF_RECURSE flag causes the function to recursively load
337: * subdirectories when <path> is a directory.
338: * The CF_SORT flag causes the files to be sorted in alphabetical order upon
339: * loading. The special case of "." as a path specification generates
340: * recursion for a single level and is equivalent to calling cvs_file_get() on
341: * all files of that directory.
1.3 jfb 342: * Returns a pointer to the cvs file structure, which must later be freed
343: * with cvs_file_free().
344: */
345:
1.14 jfb 346: CVSFILE*
1.3 jfb 347: cvs_file_get(const char *path, int flags)
348: {
1.14 jfb 349: return cvs_file_lget(path, flags, NULL);
1.9 jfb 350: }
351:
352:
353: /*
354: * cvs_file_getspec()
355: *
356: * Load a specific set of files whose paths are given in the vector <fspec>,
357: * whose size is given in <fsn>.
358: * Returns a pointer to the lowest common subdirectory to all specified
359: * files.
360: */
361: CVSFILE*
362: cvs_file_getspec(char **fspec, int fsn, int flags)
363: {
1.26 jfb 364: int i;
365: char *sp, *np, pcopy[MAXPATHLEN];
366: CVSFILE *base, *cf, *nf;
367:
368: base = cvs_file_get(".", 0);
369: if (base == NULL)
370: return (NULL);
371:
372: for (i = 0; i < fsn; i++) {
373: strlcpy(pcopy, fspec[i], sizeof(pcopy));
374: cf = base;
375: sp = pcopy;
376:
377: do {
378: np = strchr(sp, '/');
379: if (np != NULL)
380: *np = '\0';
381: nf = cvs_file_find(cf, sp);
382: if (nf == NULL) {
383: nf = cvs_file_lget(pcopy, 0, cf);
384: if (nf == NULL) {
385: cvs_file_free(base);
386: return (NULL);
387: }
388:
1.59 joris 389: if (cvs_file_attach(cf, nf) < 0) {
390: cvs_file_free(base);
391: return (NULL);
392: }
1.26 jfb 393: }
394:
395: if (np != NULL) {
396: *np = '/';
397: sp = np + 1;
398: }
399:
400: cf = nf;
401: } while (np != NULL);
402: }
403:
404: return (base);
1.3 jfb 405: }
406:
407:
408: /*
1.13 jfb 409: * cvs_file_find()
410: *
411: * Find the pointer to a CVS file entry within the file hierarchy <hier>.
412: * The file's pathname <path> must be relative to the base of <hier>.
413: * Returns the entry on success, or NULL on failure.
414: */
415: CVSFILE*
416: cvs_file_find(CVSFILE *hier, const char *path)
417: {
418: char *pp, *sp, pbuf[MAXPATHLEN];
419: CVSFILE *sf, *cf;
420:
421: strlcpy(pbuf, path, sizeof(pbuf));
422:
423: cf = hier;
424: pp = pbuf;
425: do {
426: sp = strchr(pp, '/');
427: if (sp != NULL)
1.24 jfb 428: *(sp++) = '\0';
1.13 jfb 429:
430: /* special case */
431: if (*pp == '.') {
432: if ((*(pp + 1) == '.') && (*(pp + 2) == '\0')) {
433: /* request to go back to parent */
434: if (cf->cf_parent == NULL) {
435: cvs_log(LP_NOTICE,
436: "path %s goes back too far", path);
437: return (NULL);
438: }
439: cf = cf->cf_parent;
440: continue;
1.38 deraadt 441: } else if (*(pp + 1) == '\0')
1.13 jfb 442: continue;
443: }
444:
445: TAILQ_FOREACH(sf, &(cf->cf_ddat->cd_files), cf_list)
1.34 jfb 446: if (cvs_file_cmpname(pp, CVS_FILE_NAME(sf)) == 0)
1.13 jfb 447: break;
448: if (sf == NULL)
449: return (NULL);
450:
451: cf = sf;
452: pp = sp;
453: } while (sp != NULL);
454:
1.24 jfb 455: return (cf);
1.13 jfb 456: }
457:
458:
459: /*
1.34 jfb 460: * cvs_file_getpath()
461: *
462: * Get the full path of the file <file> and store it in <buf>, which is of
463: * size <len>. For portability, it is recommended that <buf> always be
464: * at least MAXPATHLEN bytes long.
465: * Returns a pointer to the start of the path on success, or NULL on failure.
466: */
467: char*
468: cvs_file_getpath(CVSFILE *file, char *buf, size_t len)
469: {
470: u_int i;
471: char *fp, *namevec[CVS_FILE_MAXDEPTH];
472: CVSFILE *top;
473:
474: buf[0] = '\0';
475: i = CVS_FILE_MAXDEPTH;
476: memset(namevec, 0, sizeof(namevec));
477:
478: /* find the top node */
479: for (top = file; (top != NULL) && (i > 0); top = top->cf_parent) {
480: fp = CVS_FILE_NAME(top);
481:
482: /* skip self-references */
483: if ((fp[0] == '.') && (fp[1] == '\0'))
484: continue;
485: namevec[--i] = fp;
486: }
487:
488: if (i == 0)
489: return (NULL);
490: else if (i == CVS_FILE_MAXDEPTH) {
491: strlcpy(buf, ".", len);
492: return (buf);
493: }
494:
495: while (i < CVS_FILE_MAXDEPTH - 1) {
496: strlcat(buf, namevec[i++], len);
497: strlcat(buf, "/", len);
498: }
499: strlcat(buf, namevec[i], len);
500:
501: return (buf);
502: }
503:
504:
505: /*
1.22 jfb 506: * cvs_file_attach()
507: *
508: * Attach the file <file> as one of the children of parent <parent>, which
509: * has to be a file of type DT_DIR.
510: * Returns 0 on success, or -1 on failure.
511: */
512: int
513: cvs_file_attach(CVSFILE *parent, CVSFILE *file)
514: {
1.23 jfb 515: struct cvs_dir *dp;
1.22 jfb 516:
517: if (parent->cf_type != DT_DIR)
518: return (-1);
519:
1.23 jfb 520: dp = parent->cf_ddat;
521:
522: TAILQ_INSERT_TAIL(&(dp->cd_files), file, cf_list);
523: dp->cd_nfiles++;
1.22 jfb 524: file->cf_parent = parent;
525:
526: return (0);
527: }
528:
529:
530: /*
1.3 jfb 531: * cvs_file_getdir()
532: *
533: * Get a cvs directory structure for the directory whose path is <dir>.
1.30 jfb 534: * This function should not free the directory information on error, as this
535: * is performed by cvs_file_free().
1.3 jfb 536: */
1.6 jfb 537: static int
1.14 jfb 538: cvs_file_getdir(CVSFILE *cf, int flags)
1.3 jfb 539: {
1.61 ! xsa 540: int ret, fd, l;
1.16 jfb 541: u_int ndirs;
1.3 jfb 542: long base;
1.43 jfb 543: u_char *dp, *ep;
1.34 jfb 544: char fbuf[2048], pbuf[MAXPATHLEN], fpath[MAXPATHLEN];
1.3 jfb 545: struct dirent *ent;
1.14 jfb 546: CVSFILE *cfp;
1.20 jfb 547: struct stat st;
1.3 jfb 548: struct cvs_dir *cdp;
1.44 jfb 549: struct cvs_ent *cvsent;
1.10 jfb 550: struct cvs_flist dirs;
1.3 jfb 551:
1.18 jfb 552: ndirs = 0;
1.10 jfb 553: TAILQ_INIT(&dirs);
1.7 jfb 554: cdp = cf->cf_ddat;
555:
1.34 jfb 556: cvs_file_getpath(cf, fpath, sizeof(fpath));
557:
1.48 jfb 558: cdp->cd_root = cvsroot_get(fpath);
559: if (cdp->cd_root == NULL)
560: return (-1);
561:
1.26 jfb 562: if (cf->cf_cvstat != CVS_FST_UNKNOWN) {
563: if (flags & CF_MKADMIN)
564: cvs_mkadmin(cf, 0755);
1.14 jfb 565:
1.26 jfb 566: /* if the CVS administrative directory exists, load the info */
1.61 ! xsa 567: l = snprintf(pbuf, sizeof(pbuf), "%s/" CVS_PATH_CVSDIR, fpath);
! 568: if (l == -1 || l >= (int)sizeof(pbuf)) {
! 569: errno = ENAMETOOLONG;
! 570: cvs_log(LP_ERRNO, "%s", pbuf);
! 571: return (-1);
! 572: }
! 573:
1.26 jfb 574: if ((stat(pbuf, &st) == 0) && S_ISDIR(st.st_mode)) {
1.34 jfb 575: if (cvs_readrepo(fpath, pbuf, sizeof(pbuf)) == 0) {
1.26 jfb 576: cdp->cd_repo = strdup(pbuf);
577: if (cdp->cd_repo == NULL) {
1.28 jfb 578: cvs_log(LP_ERRNO,
579: "failed to dup repository string");
1.26 jfb 580: return (-1);
581: }
1.20 jfb 582: }
1.26 jfb 583:
1.37 jfb 584: cdp->cd_ent = cvs_ent_open(fpath, O_RDONLY);
1.20 jfb 585: }
586: }
1.14 jfb 587:
1.56 jfb 588: if ((flags & CF_KNOWN) && (cf->cf_cvstat == CVS_FST_UNKNOWN))
1.26 jfb 589: return (0);
590:
1.34 jfb 591: fd = open(fpath, O_RDONLY);
1.3 jfb 592: if (fd == -1) {
1.34 jfb 593: cvs_log(LP_ERRNO, "failed to open `%s'", fpath);
1.6 jfb 594: return (-1);
1.3 jfb 595: }
596:
1.44 jfb 597: /* To load all files, we first get the entries for the directory and
598: * load the information for each of those entries. The handle to
599: * the Entries file kept in the directory data is only temporary and
600: * the files should remove their entry when they use it. After all
601: * files in the directory have been processed, the Entries handle
602: * should only be left with those entries for which no real file
603: * exists. We then build file structures for those files too, as
604: * we will likely receive fresh copies from the server as part of the
605: * response.
606: */
1.11 jfb 607: do {
608: ret = getdirentries(fd, fbuf, sizeof(fbuf), &base);
609: if (ret == -1) {
610: cvs_log(LP_ERRNO, "failed to get directory entries");
611: (void)close(fd);
612: return (-1);
613: }
1.10 jfb 614:
1.11 jfb 615: dp = fbuf;
616: ep = fbuf + (size_t)ret;
617: while (dp < ep) {
618: ent = (struct dirent *)dp;
1.32 jfb 619: dp += ent->d_reclen;
1.31 jfb 620: if (ent->d_fileno == 0)
621: continue;
1.11 jfb 622:
623: if ((flags & CF_IGNORE) && cvs_file_chkign(ent->d_name))
1.24 jfb 624: continue;
625:
626: if ((flags & CF_NOSYMS) && (ent->d_type == DT_LNK))
1.11 jfb 627: continue;
1.56 jfb 628:
629: if (!(flags & CF_RECURSE) && (ent->d_type == DT_DIR)) {
630: if (cdp->cd_ent != NULL)
631: (void)cvs_ent_remove(cdp->cd_ent,
632: ent->d_name);
633: continue;
634: }
1.11 jfb 635:
1.61 ! xsa 636: l = snprintf(pbuf, sizeof(pbuf), "%s/%s", fpath,
1.34 jfb 637: ent->d_name);
1.61 ! xsa 638: if (l == -1 || l >= (int)sizeof(pbuf)) {
! 639: errno = ENAMETOOLONG;
! 640: cvs_log(LP_ERRNO, "%s", pbuf);
! 641:
! 642: (void)close(fd);
! 643: return (-1);
! 644: }
! 645:
1.14 jfb 646: cfp = cvs_file_lget(pbuf, flags, cf);
1.55 jfb 647: if (cfp == NULL) {
648: (void)close(fd);
649: return (-1);
650: }
651:
652: if (cfp->cf_type == DT_DIR) {
653: TAILQ_INSERT_TAIL(&dirs, cfp, cf_list);
654: ndirs++;
655: } else {
656: TAILQ_INSERT_TAIL(&(cdp->cd_files), cfp,
657: cf_list);
658: cdp->cd_nfiles++;
1.11 jfb 659: }
1.4 jfb 660: }
1.11 jfb 661: } while (ret > 0);
1.14 jfb 662:
1.40 jfb 663: if (cdp->cd_ent != NULL) {
1.44 jfb 664: /* now create file structure for files which have an
665: * entry in the Entries file but no file on disk
666: */
667: while ((cvsent = cvs_ent_next(cdp->cd_ent)) != NULL) {
1.61 ! xsa 668: l = snprintf(pbuf, sizeof(pbuf), "%s/%s", fpath,
1.44 jfb 669: cvsent->ce_name);
1.61 ! xsa 670: if (l == -1 || l >= (int)sizeof(pbuf)) {
! 671: errno = ENAMETOOLONG;
! 672: cvs_log(LP_ERRNO, "%s", pbuf);
! 673:
! 674: (void)close(fd);
! 675: return (-1);
! 676: }
! 677:
1.44 jfb 678: cfp = cvs_file_lget(pbuf, flags, cf);
679: if (cfp != NULL) {
680: if (cfp->cf_type == DT_DIR) {
681: TAILQ_INSERT_TAIL(&dirs, cfp, cf_list);
682: ndirs++;
683: } else {
684: TAILQ_INSERT_TAIL(&(cdp->cd_files), cfp,
685: cf_list);
686: cdp->cd_nfiles++;
687: }
688: }
689: }
1.40 jfb 690: cvs_ent_close(cdp->cd_ent);
691: cdp->cd_ent = NULL;
692: }
1.34 jfb 693:
1.10 jfb 694: if (flags & CF_SORT) {
1.16 jfb 695: cvs_file_sort(&(cdp->cd_files), cdp->cd_nfiles);
696: cvs_file_sort(&dirs, ndirs);
1.10 jfb 697: }
1.26 jfb 698:
699: while (!TAILQ_EMPTY(&dirs)) {
700: cfp = TAILQ_FIRST(&dirs);
701: TAILQ_REMOVE(&dirs, cfp, cf_list);
1.10 jfb 702: TAILQ_INSERT_TAIL(&(cdp->cd_files), cfp, cf_list);
1.26 jfb 703: }
1.16 jfb 704: cdp->cd_nfiles += ndirs;
1.3 jfb 705:
706: (void)close(fd);
707:
1.6 jfb 708: return (0);
1.3 jfb 709: }
710:
711:
712: /*
713: * cvs_file_free()
714: *
715: * Free a cvs_file structure and its contents.
716: */
717: void
1.14 jfb 718: cvs_file_free(CVSFILE *cf)
1.3 jfb 719: {
720: if (cf->cf_ddat != NULL)
721: cvs_file_freedir(cf->cf_ddat);
1.47 jfb 722: if (cf->cf_name != NULL)
1.57 jfb 723: cvs_strfree(cf->cf_name);
1.3 jfb 724: free(cf);
1.5 jfb 725: }
726:
727:
728: /*
729: * cvs_file_examine()
730: *
731: * Examine the contents of the CVS file structure <cf> with the function
732: * <exam>. The function is called for all subdirectories and files of the
733: * root file.
734: */
735: int
736: cvs_file_examine(CVSFILE *cf, int (*exam)(CVSFILE *, void *), void *arg)
737: {
738: int ret;
1.14 jfb 739: CVSFILE *fp;
1.5 jfb 740:
741: if (cf->cf_type == DT_DIR) {
742: ret = (*exam)(cf, arg);
1.10 jfb 743: TAILQ_FOREACH(fp, &(cf->cf_ddat->cd_files), cf_list) {
1.5 jfb 744: ret = cvs_file_examine(fp, exam, arg);
1.60 joris 745: if (ret != 0)
1.13 jfb 746: break;
1.5 jfb 747: }
1.38 deraadt 748: } else
1.13 jfb 749: ret = (*exam)(cf, arg);
750:
751: return (ret);
1.3 jfb 752: }
753:
754:
755: /*
756: * cvs_file_freedir()
757: *
758: * Free a cvs_dir structure and its contents.
759: */
760: static void
761: cvs_file_freedir(struct cvs_dir *cd)
762: {
1.14 jfb 763: CVSFILE *cfp;
1.3 jfb 764:
765: if (cd->cd_root != NULL)
766: cvsroot_free(cd->cd_root);
767: if (cd->cd_repo != NULL)
768: free(cd->cd_repo);
769:
1.14 jfb 770: if (cd->cd_ent != NULL)
771: cvs_ent_close(cd->cd_ent);
772:
1.10 jfb 773: while (!TAILQ_EMPTY(&(cd->cd_files))) {
774: cfp = TAILQ_FIRST(&(cd->cd_files));
775: TAILQ_REMOVE(&(cd->cd_files), cfp, cf_list);
1.3 jfb 776: cvs_file_free(cfp);
777: }
778: }
779:
780:
781: /*
782: * cvs_file_sort()
783: *
1.16 jfb 784: * Sort a list of cvs file structures according to their filename. The list
785: * <flp> is modified according to the sorting algorithm. The number of files
786: * in the list must be given by <nfiles>.
787: * Returns 0 on success, or -1 on failure.
1.3 jfb 788: */
789: static int
1.16 jfb 790: cvs_file_sort(struct cvs_flist *flp, u_int nfiles)
1.3 jfb 791: {
792: int i;
793: size_t nb;
1.16 jfb 794: CVSFILE *cf, **cfvec;
795:
796: cfvec = (CVSFILE **)calloc(nfiles, sizeof(CVSFILE *));
797: if (cfvec == NULL) {
798: cvs_log(LP_ERRNO, "failed to allocate sorting vector");
799: return (-1);
800: }
1.3 jfb 801:
802: i = 0;
1.10 jfb 803: TAILQ_FOREACH(cf, flp, cf_list) {
1.16 jfb 804: if (i == (int)nfiles) {
1.3 jfb 805: cvs_log(LP_WARN, "too many files to sort");
1.16 jfb 806: /* rebuild the list and abort sorting */
807: while (--i >= 0)
808: TAILQ_INSERT_HEAD(flp, cfvec[i], cf_list);
809: free(cfvec);
1.3 jfb 810: return (-1);
811: }
1.16 jfb 812: cfvec[i++] = cf;
1.3 jfb 813:
814: /* now unlink it from the list,
815: * we'll put it back in order later
816: */
1.10 jfb 817: TAILQ_REMOVE(flp, cf, cf_list);
1.3 jfb 818: }
819:
820: /* clear the list just in case */
1.10 jfb 821: TAILQ_INIT(flp);
1.3 jfb 822: nb = (size_t)i;
823:
824: heapsort(cfvec, nb, sizeof(cf), cvs_file_cmp);
825:
826: /* rebuild the list from the bottom up */
827: for (i = (int)nb - 1; i >= 0; i--)
1.10 jfb 828: TAILQ_INSERT_HEAD(flp, cfvec[i], cf_list);
1.3 jfb 829:
1.16 jfb 830: free(cfvec);
1.3 jfb 831: return (0);
832: }
833:
834:
835: static int
836: cvs_file_cmp(const void *f1, const void *f2)
837: {
1.41 jfb 838: const CVSFILE *cf1, *cf2;
839: cf1 = *(const CVSFILE **)f1;
840: cf2 = *(const CVSFILE **)f2;
1.34 jfb 841: return cvs_file_cmpname(CVS_FILE_NAME(cf1), CVS_FILE_NAME(cf2));
1.6 jfb 842: }
843:
844:
1.34 jfb 845: /*
846: * cvs_file_alloc()
847: *
848: * Allocate a CVSFILE structure and initialize its internals.
849: */
1.6 jfb 850: CVSFILE*
851: cvs_file_alloc(const char *path, u_int type)
852: {
853: CVSFILE *cfp;
854: struct cvs_dir *ddat;
855:
1.14 jfb 856: cfp = (CVSFILE *)malloc(sizeof(*cfp));
1.6 jfb 857: if (cfp == NULL) {
858: cvs_log(LP_ERRNO, "failed to allocate CVS file data");
859: return (NULL);
860: }
861: memset(cfp, 0, sizeof(*cfp));
862:
1.57 jfb 863: cfp->cf_name = cvs_strdup(basename(path));
1.34 jfb 864: if (cfp->cf_name == NULL) {
1.57 jfb 865: cvs_log(LP_ERR, "failed to copy file name");
1.58 tedu 866: cvs_file_free(cfp);
1.6 jfb 867: return (NULL);
868: }
869: cfp->cf_type = type;
870: cfp->cf_cvstat = CVS_FST_UNKNOWN;
871:
872: if (type == DT_DIR) {
873: ddat = (struct cvs_dir *)malloc(sizeof(*ddat));
874: if (ddat == NULL) {
1.41 jfb 875: cvs_log(LP_ERRNO, "failed to allocate directory data");
1.6 jfb 876: cvs_file_free(cfp);
877: return (NULL);
878: }
879: memset(ddat, 0, sizeof(*ddat));
1.10 jfb 880: TAILQ_INIT(&(ddat->cd_files));
1.6 jfb 881: cfp->cf_ddat = ddat;
882: }
883: return (cfp);
1.1 jfb 884: }
1.14 jfb 885:
886:
887: /*
888: * cvs_file_lget()
889: *
890: * Get the file and link it with the parent right away.
1.22 jfb 891: * Returns a pointer to the created file structure on success, or NULL on
892: * failure.
1.14 jfb 893: */
894: static CVSFILE*
895: cvs_file_lget(const char *path, int flags, CVSFILE *parent)
896: {
1.44 jfb 897: int ret, cwd;
898: u_int type;
1.14 jfb 899: struct stat st;
900: CVSFILE *cfp;
1.34 jfb 901: struct cvs_ent *ent = NULL;
1.14 jfb 902:
1.44 jfb 903: type = DT_UNKNOWN;
904: cwd = (strcmp(path, ".") == 0) ? 1 : 0;
1.14 jfb 905:
1.44 jfb 906: ret = stat(path, &st);
907: if (ret == 0)
908: type = IFTODT(st.st_mode);
1.14 jfb 909:
1.44 jfb 910: if ((cfp = cvs_file_alloc(path, type)) == NULL)
1.14 jfb 911: return (NULL);
912: cfp->cf_parent = parent;
1.54 joris 913:
914: if ((cfp->cf_type == DT_DIR) && (cfp->cf_parent == NULL))
915: cfp->cf_ddat->cd_flags |= CVS_DIRF_BASE;
1.14 jfb 916:
1.44 jfb 917: if ((parent != NULL) && (CVS_DIR_ENTRIES(parent) != NULL))
1.34 jfb 918: ent = cvs_ent_get(CVS_DIR_ENTRIES(parent), CVS_FILE_NAME(cfp));
1.14 jfb 919:
1.44 jfb 920: if (ret == 0) {
921: cfp->cf_mode = st.st_mode & ACCESSPERMS;
922: cfp->cf_mtime = st.st_mtime;
923:
924: if (ent == NULL)
925: cfp->cf_cvstat = (cwd == 1) ?
926: CVS_FST_UPTODATE : CVS_FST_UNKNOWN;
1.14 jfb 927: else {
1.44 jfb 928: /* always show directories as up-to-date */
929: if (ent->ce_type == CVS_ENT_DIR)
1.14 jfb 930: cfp->cf_cvstat = CVS_FST_UPTODATE;
1.44 jfb 931: else if (rcsnum_cmp(ent->ce_rev, cvs_addedrev, 2) == 0)
932: cfp->cf_cvstat = CVS_FST_ADDED;
933: else {
934: /* check last modified time */
935: if (ent->ce_mtime >= (time_t)st.st_mtime)
936: cfp->cf_cvstat = CVS_FST_UPTODATE;
937: else
938: cfp->cf_cvstat = CVS_FST_MODIFIED;
939: }
1.14 jfb 940: }
1.44 jfb 941: } else {
942: if (ent == NULL) {
943: cvs_log(LP_ERR, "no Entry and no file for `%s'",
944: CVS_FILE_NAME(cfp));
945: cvs_file_free(cfp);
946: return (NULL);
947: } else
948: cfp->cf_cvstat = CVS_FST_LOST;
1.14 jfb 949: }
1.52 jfb 950:
951: if (ent != NULL)
952: cvs_ent_remove(CVS_DIR_ENTRIES(parent), CVS_FILE_NAME(cfp));
1.14 jfb 953:
1.26 jfb 954: if ((cfp->cf_type == DT_DIR) && (cvs_file_getdir(cfp, flags) < 0)) {
955: cvs_file_free(cfp);
956: return (NULL);
1.14 jfb 957: }
958:
959: return (cfp);
1.23 jfb 960: }
961:
962:
963: static int
964: cvs_file_cmpname(const char *name1, const char *name2)
965: {
966: return (cvs_nocase == 0) ? (strcmp(name1, name2)) :
967: (strcasecmp(name1, name2));
1.14 jfb 968: }
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