Annotation of src/usr.bin/cvs/file.c, Revision 1.91
1.91 ! joris 1: /* $OpenBSD: file.c,v 1.90 2005/06/17 15:09:55 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:
1.83 xsa 31: #include <dirent.h>
1.1 jfb 32: #include <errno.h>
33: #include <fcntl.h>
1.83 xsa 34: #include <fnmatch.h>
1.51 jfb 35: #include <libgen.h>
1.83 xsa 36: #include <pwd.h>
37: #include <stdio.h>
1.1 jfb 38: #include <stdlib.h>
1.83 xsa 39: #include <string.h>
1.1 jfb 40: #include <unistd.h>
41:
42: #include "cvs.h"
1.83 xsa 43: #include "file.h"
1.1 jfb 44: #include "log.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:
1.73 joris 110: static int cvs_file_getdir(CVSFILE *, int, char *, int (*)(CVSFILE *, void *), void *);
1.69 joris 111: static int cvs_load_dirinfo (CVSFILE *, int);
1.62 jfb 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 *, struct cvs_ent *);
1.3 jfb 117:
118:
1.1 jfb 119: /*
120: * cvs_file_init()
121: *
122: */
123: int
124: cvs_file_init(void)
125: {
1.61 xsa 126: int i, l;
1.1 jfb 127: size_t len;
128: char path[MAXPATHLEN], buf[MAXNAMLEN];
129: FILE *ifp;
130: struct passwd *pwd;
131:
132: TAILQ_INIT(&cvs_ign_pats);
133:
1.53 jfb 134: if ((cvs_addedrev = rcsnum_parse("0")) == NULL)
1.46 jfb 135: return (-1);
1.4 jfb 136:
1.1 jfb 137: /* standard patterns to ignore */
1.10 jfb 138: for (i = 0; i < (int)(sizeof(cvs_ign_std)/sizeof(char *)); i++)
1.26 jfb 139: cvs_file_ignore(cvs_ign_std[i]);
1.1 jfb 140:
141: /* read the cvsignore file in the user's home directory, if any */
142: pwd = getpwuid(getuid());
143: if (pwd != NULL) {
1.61 xsa 144: l = snprintf(path, sizeof(path), "%s/.cvsignore", pwd->pw_dir);
145: if (l == -1 || l >= (int)sizeof(path)) {
146: errno = ENAMETOOLONG;
147: cvs_log(LP_ERRNO, "%s", path);
148: return (-1);
149: }
150:
1.1 jfb 151: ifp = fopen(path, "r");
152: if (ifp == NULL) {
153: if (errno != ENOENT)
1.34 jfb 154: cvs_log(LP_ERRNO,
155: "failed to open user's cvsignore", path);
1.38 deraadt 156: } else {
1.1 jfb 157: while (fgets(buf, sizeof(buf), ifp) != NULL) {
158: len = strlen(buf);
159: if (len == 0)
160: continue;
161: if (buf[len - 1] != '\n') {
162: cvs_log(LP_ERR, "line too long in `%s'",
163: path);
164: }
165: buf[--len] = '\0';
166: cvs_file_ignore(buf);
167: }
168: (void)fclose(ifp);
169: }
170: }
171:
172: return (0);
173: }
174:
175:
176: /*
177: * cvs_file_ignore()
178: *
179: * Add the pattern <pat> to the list of patterns for files to ignore.
180: * Returns 0 on success, or -1 on failure.
181: */
182: int
183: cvs_file_ignore(const char *pat)
184: {
185: char *cp;
186: struct cvs_ignpat *ip;
187:
188: ip = (struct cvs_ignpat *)malloc(sizeof(*ip));
189: if (ip == NULL) {
190: cvs_log(LP_ERR, "failed to allocate space for ignore pattern");
191: return (-1);
192: }
193:
194: strlcpy(ip->ip_pat, pat, sizeof(ip->ip_pat));
195:
196: /* check if we will need globbing for that pattern */
197: ip->ip_flags = CVS_IGN_STATIC;
198: for (cp = ip->ip_pat; *cp != '\0'; cp++) {
199: if (CVS_CHAR_ISMETA(*cp)) {
200: ip->ip_flags &= ~CVS_IGN_STATIC;
201: break;
202: }
203: }
204:
205: TAILQ_INSERT_TAIL(&cvs_ign_pats, ip, ip_list);
206:
207: return (0);
208: }
209:
210:
211: /*
1.5 jfb 212: * cvs_file_chkign()
1.1 jfb 213: *
214: * Returns 1 if the filename <file> is matched by one of the ignore
215: * patterns, or 0 otherwise.
216: */
217: int
1.5 jfb 218: cvs_file_chkign(const char *file)
1.1 jfb 219: {
1.23 jfb 220: int flags;
1.1 jfb 221: struct cvs_ignpat *ip;
222:
1.23 jfb 223: flags = FNM_PERIOD;
224: if (cvs_nocase)
225: flags |= FNM_CASEFOLD;
226:
1.1 jfb 227: TAILQ_FOREACH(ip, &cvs_ign_pats, ip_list) {
228: if (ip->ip_flags & CVS_IGN_STATIC) {
1.23 jfb 229: if (cvs_file_cmpname(file, ip->ip_pat) == 0)
1.1 jfb 230: return (1);
1.38 deraadt 231: } else if (fnmatch(ip->ip_pat, file, flags) == 0)
1.1 jfb 232: return (1);
233: }
234:
235: return (0);
236: }
237:
238:
239: /*
1.6 jfb 240: * cvs_file_create()
1.1 jfb 241: *
1.6 jfb 242: * Create a new file whose path is specified in <path> and of type <type>.
1.26 jfb 243: * If the type is DT_DIR, the CVS administrative repository and files will be
244: * created.
1.25 jfb 245: * Returns the created file on success, or NULL on failure.
1.1 jfb 246: */
1.6 jfb 247: CVSFILE*
1.34 jfb 248: cvs_file_create(CVSFILE *parent, const char *path, u_int type, mode_t mode)
1.1 jfb 249: {
1.85 joris 250: int fd, l;
1.84 joris 251: int bail;
1.85 joris 252: char fp[MAXPATHLEN], repo[MAXPATHLEN];
1.6 jfb 253: CVSFILE *cfp;
1.62 jfb 254: CVSENTRIES *ent;
1.1 jfb 255:
1.6 jfb 256: cfp = cvs_file_alloc(path, type);
257: if (cfp == NULL)
258: return (NULL);
1.26 jfb 259:
1.85 joris 260: bail = l = 0;
1.22 jfb 261: cfp->cf_mode = mode;
1.34 jfb 262: cfp->cf_parent = parent;
1.1 jfb 263:
1.34 jfb 264: if (type == DT_DIR) {
1.62 jfb 265: cfp->cf_root = cvsroot_get(path);
1.84 joris 266:
267: /*
268: * If we do not have a valid root for this, try looking at
269: * the parent its root.
270: */
271: if (cfp->cf_root == NULL) {
272: if (parent != NULL && parent->cf_root != NULL) {
273: cfp->cf_root =
274: cvsroot_parse(parent->cf_root->cr_str);
275: if (cfp->cf_root == NULL)
276: bail = 1;
277: } else {
278: bail = 1;
279: }
280: }
281:
282: /* we tried, too bad */
283: if (bail) {
284: cvs_log(LP_ERR, "failed to obtain root info for `%s'",
285: path);
286: return (NULL);
287: }
288:
1.85 joris 289: if (cvs_repo_base != NULL) {
290: cvs_file_getpath(cfp, fp, sizeof(fp));
291: l = snprintf(repo, sizeof(repo), "%s/%s", cvs_repo_base,
292: fp);
293: } else {
294: cvs_file_getpath(cfp, repo, sizeof(repo));
295: l = 0;
296: }
297:
298: if (l == -1 || l >= (int)sizeof(repo)) {
299: errno = ENAMETOOLONG;
300: cvs_log(LP_ERRNO, "%s", repo);
301: cvs_file_free(cfp);
302: return (NULL);
303: }
304:
305: cfp->cf_repo = strdup(repo);
1.62 jfb 306: if (cfp->cf_repo == NULL) {
1.34 jfb 307: cvs_file_free(cfp);
308: return (NULL);
309: }
1.33 joris 310:
1.79 joris 311: if (((mkdir(path, mode) == -1) && (errno != EEXIST)) ||
1.78 joris 312: (cvs_mkadmin(path, cfp->cf_root->cr_str, cfp->cf_repo) < 0)) {
1.6 jfb 313: cvs_file_free(cfp);
314: return (NULL);
315: }
1.26 jfb 316:
1.62 jfb 317: ent = cvs_ent_open(path, O_RDWR);
318: if (ent != NULL) {
319: cvs_ent_close(ent);
1.50 jfb 320: }
1.38 deraadt 321: } else {
1.6 jfb 322: fd = open(path, O_WRONLY|O_CREAT|O_EXCL, mode);
323: if (fd == -1) {
324: cvs_file_free(cfp);
1.1 jfb 325: return (NULL);
326: }
1.6 jfb 327: (void)close(fd);
1.1 jfb 328: }
329:
1.6 jfb 330: return (cfp);
1.3 jfb 331: }
332:
333:
334: /*
1.35 jfb 335: * cvs_file_copy()
336: *
337: * Allocate space to create a copy of the file <orig>. The copy inherits all
338: * of the original's attributes, but does not inherit its children if the
339: * original file is a directory. Note that files copied using this mechanism
340: * are linked to their parent, but the parent has no link to the file. This
341: * is so cvs_file_getpath() works.
342: * Returns the copied file on success, or NULL on failure. The returned
343: * structure should be freed using cvs_file_free().
344: */
345: CVSFILE*
346: cvs_file_copy(CVSFILE *orig)
347: {
348: char path[MAXPATHLEN];
349: CVSFILE *cfp;
350:
351: cvs_file_getpath(orig, path, sizeof(path));
352:
353: cfp = cvs_file_alloc(path, orig->cf_type);
354: if (cfp == NULL)
355: return (NULL);
356:
357: cfp->cf_parent = orig->cf_parent;
358: cfp->cf_mode = orig->cf_mode;
359: cfp->cf_cvstat = orig->cf_cvstat;
360:
1.62 jfb 361: if (orig->cf_type == DT_REG)
362: cfp->cf_mtime = orig->cf_mtime;
363: else if (orig->cf_type == DT_DIR) {
1.35 jfb 364: /* XXX copy CVS directory attributes */
365: }
366:
367: return (cfp);
368: }
369:
370:
371: /*
1.3 jfb 372: * cvs_file_get()
373: *
374: * Load a cvs_file structure with all the information pertaining to the file
375: * <path>.
1.4 jfb 376: * The <flags> parameter specifies various flags that alter the behaviour of
1.21 jfb 377: * the function. The CF_RECURSE flag causes the function to recursively load
378: * subdirectories when <path> is a directory.
379: * The CF_SORT flag causes the files to be sorted in alphabetical order upon
380: * loading. The special case of "." as a path specification generates
381: * recursion for a single level and is equivalent to calling cvs_file_get() on
382: * all files of that directory.
1.3 jfb 383: * Returns a pointer to the cvs file structure, which must later be freed
384: * with cvs_file_free().
385: */
386:
1.14 jfb 387: CVSFILE*
1.73 joris 388: cvs_file_get(const char *path, int flags, int (*cb)(CVSFILE *, void *),
389: void *arg)
1.3 jfb 390: {
1.68 joris 391: char *files[1];
392:
393: files[0] = path;
1.73 joris 394: return cvs_file_getspec(files, 1, flags, cb, arg);
1.9 jfb 395: }
396:
397:
398: /*
399: * cvs_file_getspec()
400: *
401: * Load a specific set of files whose paths are given in the vector <fspec>,
402: * whose size is given in <fsn>.
403: * Returns a pointer to the lowest common subdirectory to all specified
404: * files.
405: */
406: CVSFILE*
1.73 joris 407: cvs_file_getspec(char **fspec, int fsn, int flags, int (*cb)(CVSFILE *, void *),
408: void *arg)
1.9 jfb 409: {
1.26 jfb 410: int i;
1.68 joris 411: int pwd;
1.26 jfb 412: char *sp, *np, pcopy[MAXPATHLEN];
1.68 joris 413: CVSFILE *base, *nf;
414: CVSENTRIES *entfile;
415: struct cvs_ent *ent;
1.26 jfb 416:
1.68 joris 417: base = cvs_file_lget(".", 0, NULL, NULL);
1.26 jfb 418: if (base == NULL)
419: return (NULL);
1.85 joris 420:
1.87 joris 421: entfile = cvs_ent_open(".", O_RDONLY);
422:
1.85 joris 423: /*
424: * fill in the repository base (needed to construct repo's in
425: * cvs_file_create).
426: */
427: if (base->cf_repo != NULL) {
428: cvs_repo_base = strdup(base->cf_repo);
429: if (cvs_repo_base == NULL) {
430: cvs_log(LP_ERR, "failed to duplicate repository base");
431: cvs_file_free(base);
432: if (entfile)
433: cvs_ent_close(entfile);
434: return (NULL);
435: }
436: }
1.26 jfb 437:
1.73 joris 438: /* XXX - needed for some commands */
439: if (cb != NULL) {
440: if (cb(base, arg) != CVS_EX_OK) {
441: cvs_file_free(base);
1.87 joris 442: if (entfile)
443: cvs_ent_close(entfile);
1.73 joris 444: return (NULL);
445: }
446: }
447:
1.26 jfb 448: for (i = 0; i < fsn; i++) {
449: strlcpy(pcopy, fspec[i], sizeof(pcopy));
450: sp = pcopy;
1.68 joris 451: pwd = (!strcmp(pcopy, "."));
1.26 jfb 452:
1.68 joris 453: np = strchr(sp, '/');
454: if (np != NULL)
455: *np = '\0';
456:
457: if (pwd) {
458: nf = base;
459: } else {
460: nf = cvs_file_find(base, pcopy);
1.26 jfb 461: if (nf == NULL) {
1.68 joris 462: if (entfile != NULL)
463: ent = cvs_ent_get(entfile, pcopy);
464: else
465: ent = NULL;
466: nf = cvs_file_lget(pcopy, 0, base, ent);
1.26 jfb 467: if (nf == NULL) {
468: cvs_file_free(base);
1.87 joris 469: if (entfile)
470: cvs_ent_close(entfile);
1.26 jfb 471: return (NULL);
472: }
473:
1.68 joris 474: if (cvs_file_attach(base, nf) < 0) {
1.59 joris 475: cvs_file_free(base);
1.87 joris 476: if (entfile)
477: cvs_ent_close(entfile);
1.59 joris 478: return (NULL);
479: }
1.26 jfb 480: }
1.68 joris 481: }
1.26 jfb 482:
1.68 joris 483: if (nf->cf_type == DT_DIR) {
484: if (np != NULL)
485: *np++;
486:
1.73 joris 487: if (cvs_file_getdir(nf, flags, np, cb, arg) < 0) {
1.68 joris 488: cvs_file_free(base);
1.87 joris 489: if (entfile)
490: cvs_ent_close(entfile);
1.68 joris 491: return (NULL);
1.26 jfb 492: }
1.73 joris 493: } else {
494: if (cb != NULL) {
1.75 joris 495: if (cb(nf, arg) != CVS_EX_OK) {
496: cvs_file_free(base);
1.87 joris 497: if (entfile)
498: cvs_ent_close(entfile);
1.73 joris 499: return (NULL);
1.75 joris 500: }
1.73 joris 501: }
1.68 joris 502: }
1.26 jfb 503: }
1.87 joris 504:
505: if (entfile)
506: cvs_ent_close(entfile);
1.26 jfb 507:
508: return (base);
1.3 jfb 509: }
510:
511:
512: /*
1.13 jfb 513: * cvs_file_find()
514: *
515: * Find the pointer to a CVS file entry within the file hierarchy <hier>.
516: * The file's pathname <path> must be relative to the base of <hier>.
517: * Returns the entry on success, or NULL on failure.
518: */
519: CVSFILE*
520: cvs_file_find(CVSFILE *hier, const char *path)
521: {
522: char *pp, *sp, pbuf[MAXPATHLEN];
523: CVSFILE *sf, *cf;
524:
525: strlcpy(pbuf, path, sizeof(pbuf));
526:
527: cf = hier;
528: pp = pbuf;
529: do {
530: sp = strchr(pp, '/');
531: if (sp != NULL)
1.24 jfb 532: *(sp++) = '\0';
1.13 jfb 533:
534: /* special case */
535: if (*pp == '.') {
536: if ((*(pp + 1) == '.') && (*(pp + 2) == '\0')) {
537: /* request to go back to parent */
538: if (cf->cf_parent == NULL) {
539: cvs_log(LP_NOTICE,
540: "path %s goes back too far", path);
541: return (NULL);
542: }
543: cf = cf->cf_parent;
544: continue;
1.38 deraadt 545: } else if (*(pp + 1) == '\0')
1.13 jfb 546: continue;
547: }
548:
1.62 jfb 549: SIMPLEQ_FOREACH(sf, &(cf->cf_files), cf_list)
1.34 jfb 550: if (cvs_file_cmpname(pp, CVS_FILE_NAME(sf)) == 0)
1.13 jfb 551: break;
552: if (sf == NULL)
553: return (NULL);
554:
555: cf = sf;
556: pp = sp;
557: } while (sp != NULL);
558:
1.24 jfb 559: return (cf);
1.13 jfb 560: }
561:
562:
563: /*
1.34 jfb 564: * cvs_file_getpath()
565: *
566: * Get the full path of the file <file> and store it in <buf>, which is of
567: * size <len>. For portability, it is recommended that <buf> always be
568: * at least MAXPATHLEN bytes long.
569: * Returns a pointer to the start of the path on success, or NULL on failure.
570: */
571: char*
572: cvs_file_getpath(CVSFILE *file, char *buf, size_t len)
573: {
574: u_int i;
1.77 jfb 575: const char *fp, *namevec[CVS_FILE_MAXDEPTH];
1.34 jfb 576: CVSFILE *top;
577:
578: buf[0] = '\0';
579: i = CVS_FILE_MAXDEPTH;
580: memset(namevec, 0, sizeof(namevec));
581:
582: /* find the top node */
583: for (top = file; (top != NULL) && (i > 0); top = top->cf_parent) {
584: fp = CVS_FILE_NAME(top);
585:
586: /* skip self-references */
587: if ((fp[0] == '.') && (fp[1] == '\0'))
588: continue;
589: namevec[--i] = fp;
590: }
591:
592: if (i == 0)
593: return (NULL);
594: else if (i == CVS_FILE_MAXDEPTH) {
595: strlcpy(buf, ".", len);
596: return (buf);
597: }
598:
599: while (i < CVS_FILE_MAXDEPTH - 1) {
600: strlcat(buf, namevec[i++], len);
601: strlcat(buf, "/", len);
602: }
603: strlcat(buf, namevec[i], len);
604:
605: return (buf);
606: }
607:
608:
609: /*
1.22 jfb 610: * cvs_file_attach()
611: *
612: * Attach the file <file> as one of the children of parent <parent>, which
613: * has to be a file of type DT_DIR.
614: * Returns 0 on success, or -1 on failure.
615: */
616: int
617: cvs_file_attach(CVSFILE *parent, CVSFILE *file)
618: {
619: if (parent->cf_type != DT_DIR)
620: return (-1);
621:
1.62 jfb 622: SIMPLEQ_INSERT_TAIL(&(parent->cf_files), file, cf_list);
1.22 jfb 623: file->cf_parent = parent;
624:
625: return (0);
626: }
627:
628:
629: /*
1.68 joris 630: * Load directory information
1.3 jfb 631: */
1.6 jfb 632: static int
1.69 joris 633: cvs_load_dirinfo(CVSFILE *cf, int flags)
1.3 jfb 634: {
1.68 joris 635: char fpath[MAXPATHLEN];
636: char pbuf[MAXPATHLEN];
1.20 jfb 637: struct stat st;
1.68 joris 638: int l;
1.7 jfb 639:
1.34 jfb 640: cvs_file_getpath(cf, fpath, sizeof(fpath));
1.62 jfb 641: cf->cf_root = cvsroot_get(fpath);
1.91 ! joris 642: if (cf->cf_root == NULL) {
! 643: /*
! 644: * Do not fail here for an unknown directory.
! 645: */
! 646: if (cf->cf_cvstat == CVS_FST_UNKNOWN)
! 647: return (0);
1.48 jfb 648: return (-1);
1.91 ! joris 649: }
1.48 jfb 650:
1.74 joris 651: if (flags & CF_MKADMIN)
1.78 joris 652: cvs_mkadmin(fpath, cf->cf_root->cr_str, NULL);
1.69 joris 653:
1.74 joris 654: /* if the CVS administrative directory exists, load the info */
655: l = snprintf(pbuf, sizeof(pbuf), "%s/" CVS_PATH_CVSDIR, fpath);
656: if (l == -1 || l >= (int)sizeof(pbuf)) {
657: errno = ENAMETOOLONG;
658: cvs_log(LP_ERRNO, "%s", pbuf);
659: return (-1);
660: }
1.61 xsa 661:
1.74 joris 662: if ((stat(pbuf, &st) == 0) && S_ISDIR(st.st_mode)) {
663: if (cvs_readrepo(fpath, pbuf, sizeof(pbuf)) == 0) {
664: cf->cf_repo = strdup(pbuf);
665: if (cf->cf_repo == NULL) {
666: cvs_log(LP_ERRNO,
667: "failed to dup repository string");
668: return (-1);
1.20 jfb 669: }
1.68 joris 670: }
671: }
1.26 jfb 672:
1.68 joris 673: return (0);
674: }
675:
676: /*
677: * cvs_file_getdir()
678: *
679: * Get a cvs directory structure for the directory whose path is <dir>.
680: * This function should not free the directory information on error, as this
681: * is performed by cvs_file_free().
682: */
683: static int
1.73 joris 684: cvs_file_getdir(CVSFILE *cf, int flags, char *path, int (*cb)(CVSFILE *, void *), void *arg)
1.68 joris 685: {
1.91 ! joris 686: int l, ret;
1.68 joris 687: int check_entry;
688: u_int ndirs, nfiles;
689: char *cur, *np;
690: char pbuf[MAXPATHLEN], fpath[MAXPATHLEN];
691: struct dirent *ent;
1.76 joris 692: CVSFILE *cfp;
1.68 joris 693: struct cvs_ent *cvsent;
694: struct cvs_flist dirs;
695: DIR *dirp;
696: CVSENTRIES *entfile;
697:
1.91 ! joris 698: ret = -1;
1.81 joris 699: check_entry = 1;
700: ndirs = nfiles = 0;
1.68 joris 701: SIMPLEQ_INIT(&dirs);
702:
703: cvs_file_getpath(cf, fpath, sizeof(fpath));
704:
705: cur = np = NULL;
706: if (path != NULL) {
707: cur = strchr(path, '/');
708: if (cur != NULL) {
709: *cur = '\0';
710: np = cur + 1;
711: if (np != NULL && *np == '\0')
712: np = NULL;
1.20 jfb 713: }
714: }
1.14 jfb 715:
1.56 jfb 716: if ((flags & CF_KNOWN) && (cf->cf_cvstat == CVS_FST_UNKNOWN))
1.26 jfb 717: return (0);
718:
1.73 joris 719: /* callback for the directory entry */
720: if (cb != NULL) {
721: if (cb(cf, arg) != CVS_EX_OK)
722: return (-1);
723: }
724:
1.91 ! joris 725: cf->cf_root = cvsroot_get(fpath);
! 726: if (cf->cf_root == NULL) {
! 727: /*
! 728: * Do not fail here for an unknown directory.
! 729: */
! 730: if (cf->cf_cvstat == CVS_FST_UNKNOWN)
! 731: return (0);
! 732: return (-1);
! 733: }
! 734:
1.68 joris 735: dirp = opendir(fpath);
736: if (dirp == NULL) {
737: cvs_log(LP_ERRNO, "failed to open directory %s", fpath);
1.6 jfb 738: return (-1);
1.3 jfb 739: }
740:
1.91 ! joris 741: entfile = cvs_ent_open(fpath, O_RDONLY);
1.68 joris 742: while ((ent = readdir(dirp)) != NULL) {
743: if ((flags & CF_IGNORE) && cvs_file_chkign(ent->d_name))
744: continue;
1.11 jfb 745:
1.68 joris 746: if ((flags & CF_NOSYMS) && (ent->d_type == DT_LNK))
747: continue;
1.24 jfb 748:
1.68 joris 749: if (!(flags & CF_RECURSE) && (ent->d_type == DT_DIR)) {
750: if (entfile != NULL)
751: (void)cvs_ent_remove(entfile,
752: ent->d_name);
753: continue;
754: }
1.70 joris 755:
756: if ((ent->d_type != DT_DIR) && (flags & CF_NOFILES))
757: continue;
1.56 jfb 758:
1.68 joris 759: if (path != NULL) {
760: if (strcmp(path, ent->d_name))
1.56 jfb 761: continue;
1.68 joris 762: }
1.11 jfb 763:
1.68 joris 764: l = snprintf(pbuf, sizeof(pbuf), "%s/%s", fpath,
765: ent->d_name);
766: if (l == -1 || l >= (int)sizeof(pbuf)) {
767: errno = ENAMETOOLONG;
768: cvs_log(LP_ERRNO, "%s", pbuf);
769: closedir(dirp);
1.91 ! joris 770: goto done;
1.68 joris 771: }
1.61 xsa 772:
1.68 joris 773: cfp = cvs_file_find(cf, ent->d_name);
774: if (cfp == NULL) {
1.62 jfb 775: if (entfile != NULL)
776: cvsent = cvs_ent_get(entfile, ent->d_name);
1.71 joris 777: else
778: cvsent = NULL;
779:
1.62 jfb 780: cfp = cvs_file_lget(pbuf, flags, cf, cvsent);
1.68 joris 781:
1.55 jfb 782: if (cfp == NULL) {
1.68 joris 783: closedir(dirp);
1.91 ! joris 784: goto done;
1.55 jfb 785: }
1.62 jfb 786: if (entfile != NULL)
787: cvs_ent_remove(entfile, cfp->cf_name);
1.55 jfb 788:
1.68 joris 789: if (cfp->cf_type != DT_DIR) {
1.62 jfb 790: SIMPLEQ_INSERT_TAIL(&(cf->cf_files), cfp,
1.68 joris 791: cf_list);
1.62 jfb 792: nfiles++;
1.11 jfb 793: }
1.68 joris 794: } else {
795: cfp->cf_flags |= CVS_GDIR_IGNORE;
1.4 jfb 796: }
1.14 jfb 797:
1.68 joris 798: if (cfp->cf_type == DT_DIR) {
799: ndirs++;
800: SIMPLEQ_INSERT_TAIL(&dirs, cfp, cf_list);
1.73 joris 801: } else {
802: /* callback for the file */
803: if (cb != NULL) {
804: if (cb(cfp, arg) != CVS_EX_OK) {
805: closedir(dirp);
1.91 ! joris 806: goto done;
1.73 joris 807: }
808: }
1.68 joris 809: }
810:
811: if (path != NULL) {
812: check_entry = 0;
813: break;
814: }
815: }
816:
817: closedir(dirp);
818:
819: if (entfile != NULL && check_entry) {
1.62 jfb 820: while ((cvsent = cvs_ent_next(entfile)) != NULL) {
1.68 joris 821: if (path != NULL) {
822: if (strcmp(cvsent->ce_name, path))
823: continue;
824: }
825:
1.61 xsa 826: l = snprintf(pbuf, sizeof(pbuf), "%s/%s", fpath,
1.44 jfb 827: cvsent->ce_name);
1.61 xsa 828: if (l == -1 || l >= (int)sizeof(pbuf)) {
829: errno = ENAMETOOLONG;
830: cvs_log(LP_ERRNO, "%s", pbuf);
1.91 ! joris 831: goto done;
1.61 xsa 832: }
833:
1.68 joris 834: cfp = cvs_file_find(cf, cvsent->ce_name);
835: if (cfp == NULL) {
836: cfp = cvs_file_lget(pbuf, flags, cf, cvsent);
837: if (cfp == NULL)
838: continue;
839:
840: if (cfp->cf_type != DT_DIR) {
841: SIMPLEQ_INSERT_TAIL(&(cf->cf_files),
842: cfp, cf_list);
1.62 jfb 843: nfiles++;
1.44 jfb 844: }
1.68 joris 845: } else {
846: cfp->cf_flags |= CVS_GDIR_IGNORE;
847: }
848:
849: if (cfp->cf_type == DT_DIR) {
850: ndirs++;
851: SIMPLEQ_INSERT_TAIL(&dirs, cfp,
852: cf_list);
1.73 joris 853: } else {
854: /* callback for the file */
855: if (cb != NULL) {
856: if (cb(cfp, arg) != CVS_EX_OK)
1.91 ! joris 857: goto done;
1.73 joris 858: }
1.44 jfb 859: }
1.68 joris 860:
861: if (path != NULL)
862: break;
1.44 jfb 863: }
1.40 jfb 864: }
1.34 jfb 865:
1.10 jfb 866: if (flags & CF_SORT) {
1.68 joris 867: if (nfiles > 0)
868: cvs_file_sort(&(cf->cf_files), nfiles);
869: if (ndirs > 0)
870: cvs_file_sort(&dirs, ndirs);
1.10 jfb 871: }
1.26 jfb 872:
1.62 jfb 873: while (!SIMPLEQ_EMPTY(&dirs)) {
874: cfp = SIMPLEQ_FIRST(&dirs);
875: SIMPLEQ_REMOVE_HEAD(&dirs, cf_list);
1.68 joris 876:
877: if (!(cfp->cf_flags & CVS_GDIR_IGNORE))
878: SIMPLEQ_INSERT_TAIL(&(cf->cf_files), cfp, cf_list);
879: else
880: cfp->cf_flags &= ~CVS_GDIR_IGNORE;
881:
1.73 joris 882: if (cvs_file_getdir(cfp, flags, np, cb, arg) < 0) {
1.82 xsa 883: cvs_log(LP_ERR, "failed to get %s", CVS_FILE_NAME(cfp));
1.68 joris 884: continue;
885: }
1.26 jfb 886: }
1.3 jfb 887:
1.91 ! joris 888: ret = 0;
! 889: done:
! 890: if (entfile != NULL)
! 891: cvs_ent_close(entfile);
! 892:
! 893: return (ret);
1.3 jfb 894: }
895:
896:
897: /*
898: * cvs_file_free()
899: *
900: * Free a cvs_file structure and its contents.
901: */
902: void
1.14 jfb 903: cvs_file_free(CVSFILE *cf)
1.3 jfb 904: {
1.62 jfb 905: CVSFILE *child;
906:
1.47 jfb 907: if (cf->cf_name != NULL)
1.57 jfb 908: cvs_strfree(cf->cf_name);
1.62 jfb 909:
910: if (cf->cf_type == DT_DIR) {
911: if (cf->cf_root != NULL)
912: cvsroot_free(cf->cf_root);
913: if (cf->cf_repo != NULL)
914: free(cf->cf_repo);
915: while (!SIMPLEQ_EMPTY(&(cf->cf_files))) {
916: child = SIMPLEQ_FIRST(&(cf->cf_files));
917: SIMPLEQ_REMOVE_HEAD(&(cf->cf_files), cf_list);
918: cvs_file_free(child);
919: }
1.64 joris 920: } else {
921: if (cf->cf_tag != NULL)
922: cvs_strfree(cf->cf_tag);
1.77 jfb 923: if (cf->cf_opts != NULL)
924: cvs_strfree(cf->cf_opts);
1.62 jfb 925: }
1.64 joris 926:
1.3 jfb 927: free(cf);
1.5 jfb 928: }
929:
930:
931: /*
932: * cvs_file_examine()
933: *
934: * Examine the contents of the CVS file structure <cf> with the function
935: * <exam>. The function is called for all subdirectories and files of the
936: * root file.
937: */
938: int
939: cvs_file_examine(CVSFILE *cf, int (*exam)(CVSFILE *, void *), void *arg)
940: {
941: int ret;
1.14 jfb 942: CVSFILE *fp;
1.5 jfb 943:
944: if (cf->cf_type == DT_DIR) {
945: ret = (*exam)(cf, arg);
1.62 jfb 946: SIMPLEQ_FOREACH(fp, &(cf->cf_files), cf_list) {
1.5 jfb 947: ret = cvs_file_examine(fp, exam, arg);
1.60 joris 948: if (ret != 0)
1.13 jfb 949: break;
1.5 jfb 950: }
1.38 deraadt 951: } else
1.13 jfb 952: ret = (*exam)(cf, arg);
953:
954: return (ret);
1.3 jfb 955: }
956:
957: /*
958: * cvs_file_sort()
959: *
1.16 jfb 960: * Sort a list of cvs file structures according to their filename. The list
961: * <flp> is modified according to the sorting algorithm. The number of files
962: * in the list must be given by <nfiles>.
963: * Returns 0 on success, or -1 on failure.
1.3 jfb 964: */
965: static int
1.16 jfb 966: cvs_file_sort(struct cvs_flist *flp, u_int nfiles)
1.3 jfb 967: {
968: int i;
969: size_t nb;
1.16 jfb 970: CVSFILE *cf, **cfvec;
971:
972: cfvec = (CVSFILE **)calloc(nfiles, sizeof(CVSFILE *));
973: if (cfvec == NULL) {
974: cvs_log(LP_ERRNO, "failed to allocate sorting vector");
975: return (-1);
976: }
1.3 jfb 977:
978: i = 0;
1.62 jfb 979: SIMPLEQ_FOREACH(cf, flp, cf_list) {
1.16 jfb 980: if (i == (int)nfiles) {
1.3 jfb 981: cvs_log(LP_WARN, "too many files to sort");
1.16 jfb 982: /* rebuild the list and abort sorting */
983: while (--i >= 0)
1.62 jfb 984: SIMPLEQ_INSERT_HEAD(flp, cfvec[i], cf_list);
1.16 jfb 985: free(cfvec);
1.3 jfb 986: return (-1);
987: }
1.16 jfb 988: cfvec[i++] = cf;
1.3 jfb 989:
990: /* now unlink it from the list,
991: * we'll put it back in order later
992: */
1.62 jfb 993: SIMPLEQ_REMOVE_HEAD(flp, cf_list);
1.3 jfb 994: }
995:
996: /* clear the list just in case */
1.62 jfb 997: SIMPLEQ_INIT(flp);
1.3 jfb 998: nb = (size_t)i;
999:
1000: heapsort(cfvec, nb, sizeof(cf), cvs_file_cmp);
1001:
1002: /* rebuild the list from the bottom up */
1003: for (i = (int)nb - 1; i >= 0; i--)
1.62 jfb 1004: SIMPLEQ_INSERT_HEAD(flp, cfvec[i], cf_list);
1.3 jfb 1005:
1.16 jfb 1006: free(cfvec);
1.3 jfb 1007: return (0);
1008: }
1009:
1010:
1011: static int
1012: cvs_file_cmp(const void *f1, const void *f2)
1013: {
1.41 jfb 1014: const CVSFILE *cf1, *cf2;
1.62 jfb 1015: cf1 = *(CVSFILE * const *)f1;
1016: cf2 = *(CVSFILE * const *)f2;
1.34 jfb 1017: return cvs_file_cmpname(CVS_FILE_NAME(cf1), CVS_FILE_NAME(cf2));
1.6 jfb 1018: }
1019:
1020:
1.34 jfb 1021: /*
1022: * cvs_file_alloc()
1023: *
1024: * Allocate a CVSFILE structure and initialize its internals.
1025: */
1.6 jfb 1026: CVSFILE*
1027: cvs_file_alloc(const char *path, u_int type)
1028: {
1029: CVSFILE *cfp;
1030:
1.14 jfb 1031: cfp = (CVSFILE *)malloc(sizeof(*cfp));
1.6 jfb 1032: if (cfp == NULL) {
1033: cvs_log(LP_ERRNO, "failed to allocate CVS file data");
1034: return (NULL);
1035: }
1036: memset(cfp, 0, sizeof(*cfp));
1037:
1.62 jfb 1038: cfp->cf_type = type;
1039: cfp->cf_cvstat = CVS_FST_UNKNOWN;
1040:
1041: if (type == DT_DIR) {
1042: SIMPLEQ_INIT(&(cfp->cf_files));
1043: }
1044:
1.57 jfb 1045: cfp->cf_name = cvs_strdup(basename(path));
1.34 jfb 1046: if (cfp->cf_name == NULL) {
1.57 jfb 1047: cvs_log(LP_ERR, "failed to copy file name");
1.58 tedu 1048: cvs_file_free(cfp);
1.6 jfb 1049: return (NULL);
1050: }
1051:
1052: return (cfp);
1.1 jfb 1053: }
1.14 jfb 1054:
1055:
1056: /*
1057: * cvs_file_lget()
1058: *
1059: * Get the file and link it with the parent right away.
1.22 jfb 1060: * Returns a pointer to the created file structure on success, or NULL on
1061: * failure.
1.14 jfb 1062: */
1063: static CVSFILE*
1.62 jfb 1064: cvs_file_lget(const char *path, int flags, CVSFILE *parent, struct cvs_ent *ent)
1.14 jfb 1065: {
1.44 jfb 1066: int ret, cwd;
1067: u_int type;
1.14 jfb 1068: struct stat st;
1069: CVSFILE *cfp;
1070:
1.44 jfb 1071: type = DT_UNKNOWN;
1072: cwd = (strcmp(path, ".") == 0) ? 1 : 0;
1.62 jfb 1073:
1.44 jfb 1074: ret = stat(path, &st);
1075: if (ret == 0)
1076: type = IFTODT(st.st_mode);
1.14 jfb 1077:
1.44 jfb 1078: if ((cfp = cvs_file_alloc(path, type)) == NULL)
1.14 jfb 1079: return (NULL);
1080: cfp->cf_parent = parent;
1.54 joris 1081:
1082: if ((cfp->cf_type == DT_DIR) && (cfp->cf_parent == NULL))
1.62 jfb 1083: cfp->cf_flags |= CVS_DIRF_BASE;
1.14 jfb 1084:
1.44 jfb 1085: if (ret == 0) {
1086: cfp->cf_mode = st.st_mode & ACCESSPERMS;
1.62 jfb 1087: if (cfp->cf_type == DT_REG)
1088: cfp->cf_mtime = st.st_mtime;
1.44 jfb 1089:
1090: if (ent == NULL)
1091: cfp->cf_cvstat = (cwd == 1) ?
1092: CVS_FST_UPTODATE : CVS_FST_UNKNOWN;
1.14 jfb 1093: else {
1.44 jfb 1094: /* always show directories as up-to-date */
1095: if (ent->ce_type == CVS_ENT_DIR)
1.14 jfb 1096: cfp->cf_cvstat = CVS_FST_UPTODATE;
1.44 jfb 1097: else if (rcsnum_cmp(ent->ce_rev, cvs_addedrev, 2) == 0)
1098: cfp->cf_cvstat = CVS_FST_ADDED;
1099: else {
1100: /* check last modified time */
1.90 joris 1101: if (ent->ce_mtime == (time_t)st.st_mtime) {
1.44 jfb 1102: cfp->cf_cvstat = CVS_FST_UPTODATE;
1.90 joris 1103: } else {
1.44 jfb 1104: cfp->cf_cvstat = CVS_FST_MODIFIED;
1.90 joris 1105: }
1.44 jfb 1106: }
1.14 jfb 1107: }
1.44 jfb 1108: } else {
1109: if (ent == NULL) {
1110: cvs_log(LP_ERR, "no Entry and no file for `%s'",
1111: CVS_FILE_NAME(cfp));
1112: cvs_file_free(cfp);
1113: return (NULL);
1.66 joris 1114: } else {
1115: if (ent->ce_type == CVS_ENT_FILE)
1116: cfp->cf_type = DT_REG;
1117: else if (ent->ce_type == CVS_ENT_DIR)
1118: cfp->cf_type = DT_DIR;
1119: else
1120: cvs_log(LP_WARN, "unknown ce_type %d",
1121: ent->ce_type);
1.67 joris 1122:
1123: if (ent->ce_status == CVS_ENT_REMOVED)
1124: cfp->cf_cvstat = CVS_FST_REMOVED;
1.90 joris 1125: else if (ent->ce_status == CVS_ENT_UPTODATE)
1126: cfp->cf_cvstat = CVS_FST_UPTODATE;
1.67 joris 1127: else
1128: cfp->cf_cvstat = CVS_FST_LOST;
1.66 joris 1129: }
1.14 jfb 1130: }
1.52 jfb 1131:
1.62 jfb 1132: if (ent != NULL) {
1133: /* steal the RCSNUM */
1134: cfp->cf_lrev = ent->ce_rev;
1.72 jfb 1135: ent->ce_rev = NULL;
1136:
1.77 jfb 1137: if (ent->ce_type == CVS_ENT_FILE) {
1138: if (ent->ce_tag[0] != '\0') {
1139: cfp->cf_tag = cvs_strdup(ent->ce_tag);
1140: if (cfp->cf_tag == NULL) {
1141: cvs_file_free(cfp);
1142: return (NULL);
1143: }
1144: }
1145:
1146: if (ent->ce_opts[0] != '\0') {
1147: cfp->cf_opts = cvs_strdup(ent->ce_opts);
1148: if (cfp->cf_opts == NULL) {
1149: cvs_file_free(cfp);
1150: return (NULL);
1151: }
1.65 joris 1152: }
1.62 jfb 1153: }
1154: }
1.14 jfb 1155:
1.69 joris 1156: if ((cfp->cf_type == DT_DIR) && (cvs_load_dirinfo(cfp, flags) < 0)) {
1.26 jfb 1157: cvs_file_free(cfp);
1158: return (NULL);
1.14 jfb 1159: }
1.74 joris 1160:
1161: if ((cfp->cf_repo != NULL) && (cfp->cf_type == DT_DIR) &&
1162: !strcmp(cfp->cf_repo, path))
1163: cfp->cf_cvstat = CVS_FST_UPTODATE;
1.14 jfb 1164:
1165: return (cfp);
1.23 jfb 1166: }
1167:
1168:
1169: static int
1170: cvs_file_cmpname(const char *name1, const char *name2)
1171: {
1172: return (cvs_nocase == 0) ? (strcmp(name1, name2)) :
1173: (strcasecmp(name1, name2));
1.88 joris 1174: }
1175:
1176: /*
1177: * remove a directory if it does not contain
1178: * any files other than the CVS/ administrative files.
1179: */
1180: int
1181: cvs_file_prune(char *path)
1182: {
1183: DIR *dirp;
1184: int l, pwd, empty;
1185: struct dirent *dp;
1186: char fpath[MAXPATHLEN];
1187: CVSENTRIES *entf;
1.89 joris 1188: CVSFILE *cfp;
1.88 joris 1189:
1190: pwd = (!strcmp(path, "."));
1191:
1192: if ((dirp = opendir(path)) == NULL) {
1193: cvs_log(LP_ERRNO, "failed to open `%s'", fpath);
1194: return (-1);
1195: }
1196:
1197: empty = 0;
1198: entf = cvs_ent_open(path, O_RDWR);
1199:
1200: while ((dp = readdir(dirp)) != NULL) {
1201: if (!strcmp(dp->d_name, ".") ||
1202: !strcmp(dp->d_name, "..") ||
1203: !strcmp(dp->d_name, CVS_PATH_CVSDIR))
1204: continue;
1205:
1206: empty++;
1207: if (dp->d_type == DT_DIR) {
1208: l = snprintf(fpath, sizeof(fpath), "%s%s%s",
1209: (pwd) ? "" : path, (pwd) ? "" : "/", dp->d_name);
1210: if (l == -1 || l >= (int)sizeof(fpath)) {
1211: errno = ENAMETOOLONG;
1212: cvs_log(LP_ERRNO, "%s", fpath);
1213: continue;
1214: }
1.89 joris 1215:
1216: cfp = cvs_file_find(cvs_files, fpath);
1217: if (cfp == NULL)
1.91 ! joris 1218: continue;
! 1219:
! 1220: /* ignore unknown directories */
! 1221: if (cfp->cf_cvstat == CVS_FST_UNKNOWN)
1.89 joris 1222: continue;
1.88 joris 1223:
1224: if (cvs_file_prune(fpath)) {
1225: empty--;
1226: if (entf)
1227: cvs_ent_remove(entf, fpath);
1228: } else {
1229: empty++;
1230: }
1231: }
1232: }
1233:
1234: closedir(dirp);
1235: if (entf)
1236: cvs_ent_close(entf);
1237:
1238: empty = (empty == 0);
1239: if (empty) {
1240: if (cvs_remove_dir(path) < 0) {
1241: cvs_log(LP_ERR, "failed to prune `%s'", path);
1242: empty = 0;
1243: }
1244: }
1245:
1246: return (empty);
1.14 jfb 1247: }
![[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