Annotation of src/usr.bin/cvs/repository.c, Revision 1.13
1.13 ! niallo 1: /* $OpenBSD: repository.c,v 1.12 2007/02/22 06:42:09 otto Exp $ */
1.1 joris 2: /*
3: * Copyright (c) 2006 Joris Vink <joris@openbsd.org>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
17:
1.12 otto 18: #include <sys/stat.h>
19:
20: #include <errno.h>
21: #include <fcntl.h>
22: #include <pwd.h>
23: #include <string.h>
24: #include <unistd.h>
1.1 joris 25:
26: #include "cvs.h"
27:
28: struct cvs_wklhead repo_locks;
29:
30: void
31: cvs_repository_unlock(const char *repo)
32: {
33: char fpath[MAXPATHLEN];
34:
35: cvs_log(LP_TRACE, "cvs_repository_unlock(%s)", repo);
36:
1.11 xsa 37: (void)xsnprintf(fpath, sizeof(fpath), "%s/%s", repo, CVS_LOCK);
1.1 joris 38:
39: /* XXX - this ok? */
40: cvs_worklist_run(&repo_locks, cvs_worklist_unlink);
41: }
42:
43: void
44: cvs_repository_lock(const char *repo)
45: {
1.6 xsa 46: int i;
1.1 joris 47: struct stat st;
48: char fpath[MAXPATHLEN];
49: struct passwd *pw;
1.7 xsa 50:
51: if (cvs_noexec == 1 || cvs_readonlyfs == 1)
52: return;
1.1 joris 53:
54: cvs_log(LP_TRACE, "cvs_repository_lock(%s)", repo);
55:
1.11 xsa 56: (void)xsnprintf(fpath, sizeof(fpath), "%s/%s", repo, CVS_LOCK);
1.1 joris 57:
58: for (i = 0; i < CVS_LOCK_TRIES; i++) {
59: if (cvs_quit)
60: fatal("received signal %d", sig_received);
61:
62: if (stat(fpath, &st) == -1)
63: break;
64:
65: if ((pw = getpwuid(st.st_uid)) == NULL)
66: fatal("cvs_repository_lock: %s", strerror(errno));
67:
68: cvs_log(LP_NOTICE, "waiting for %s's lock in '%s'",
69: pw->pw_name, repo);
70: sleep(CVS_LOCK_SLEEP);
71: }
72:
73: if (i == CVS_LOCK_TRIES)
74: fatal("maximum wait time for lock inside '%s' reached", repo);
75:
76: if ((i = open(fpath, O_WRONLY|O_CREAT|O_TRUNC, 0755)) < 0) {
77: if (errno == EEXIST)
78: fatal("cvs_repository_lock: somebody beat us");
79: else
1.3 david 80: fatal("cvs_repository_lock: %s: %s",
1.1 joris 81: fpath, strerror(errno));
82: }
83:
84: (void)close(i);
85: cvs_worklist_add(fpath, &repo_locks);
86: }
87:
88: void
89: cvs_repository_getdir(const char *dir, const char *wdir,
1.2 joris 90: struct cvs_flisthead *fl, struct cvs_flisthead *dl, int dodirs)
1.1 joris 91: {
1.8 joris 92: int type;
1.1 joris 93: DIR *dirp;
1.8 joris 94: struct stat st;
1.1 joris 95: struct dirent *dp;
1.9 otto 96: char *s, fpath[MAXPATHLEN], rpath[MAXPATHLEN];
1.1 joris 97:
98: if ((dirp = opendir(dir)) == NULL)
99: fatal("cvs_repository_getdir: failed to open '%s'", dir);
100:
101: while ((dp = readdir(dirp)) != NULL) {
102: if (!strcmp(dp->d_name, ".") ||
103: !strcmp(dp->d_name, "..") ||
104: !strcmp(dp->d_name, CVS_LOCK))
105: continue;
106:
107: if (cvs_file_chkign(dp->d_name))
1.2 joris 108: continue;
109:
1.11 xsa 110: (void)xsnprintf(fpath, MAXPATHLEN, "%s/%s", wdir, dp->d_name);
111: (void)xsnprintf(rpath, MAXPATHLEN, "%s/%s", dir, dp->d_name);
1.1 joris 112:
113: /*
1.8 joris 114: * nfs and afs will show d_type as DT_UNKNOWN
115: * for files and/or directories so when we encounter
1.10 todd 116: * this we call lstat() on the path to be sure.
1.1 joris 117: */
1.8 joris 118: if (dp->d_type == DT_UNKNOWN) {
1.10 todd 119: if (lstat(rpath, &st) == -1)
1.8 joris 120: fatal("'%s': %s", rpath, strerror(errno));
121:
122: switch (st.st_mode & S_IFMT) {
123: case S_IFDIR:
124: type = CVS_DIR;
125: break;
126: case S_IFREG:
127: type = CVS_FILE;
128: break;
129: default:
130: fatal("Unknown file type in repository");
131: }
132: } else {
133: switch (dp->d_type) {
134: case DT_DIR:
135: type = CVS_DIR;
136: break;
137: case DT_REG:
138: type = CVS_FILE;
139: break;
140: default:
141: fatal("Unknown file type in repository");
142: }
143: }
144:
145: if (dodirs == 0 && type == CVS_DIR)
146: continue;
147:
148: switch (type) {
149: case CVS_DIR:
1.1 joris 150: cvs_file_get(fpath, dl);
1.8 joris 151: break;
152: case CVS_FILE:
1.1 joris 153: if ((s = strrchr(fpath, ',')) != NULL)
154: *s = '\0';
155: cvs_file_get(fpath, fl);
1.8 joris 156: break;
157: default:
158: fatal("type %d unknown, shouldn't happen", type);
1.1 joris 159: }
160: }
161:
162: (void)closedir(dirp);
163: }
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