xref: /openbsd-src/usr.bin/cvs/init.c (revision 06ccd5dad87daa7ede3ae33928857a729a8043ea)
1 /*	$OpenBSD: init.c,v 1.4 2004/07/30 23:12:13 jfb Exp $	*/
2 /*
3  * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. The name of the author may not be used to endorse or promote products
13  *    derived from this software without specific prior written permission.
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
24  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #include <sys/param.h>
28 #include <sys/stat.h>
29 
30 #include <errno.h>
31 #include <stdio.h>
32 #include <fcntl.h>
33 #include <stdlib.h>
34 #include <unistd.h>
35 #include <string.h>
36 #include <sysexits.h>
37 
38 #include "cvs.h"
39 #include "rcs.h"
40 #include "log.h"
41 
42 
43 #define CFT_FILE   1
44 #define CFT_DIR    2
45 
46 
47 struct cvsroot_file {
48 	char   *cf_path;   /* path relative to CVS root directory */
49 	u_int   cf_type;
50 	mode_t  cf_mode;
51 } cvsroot_files[] = {
52 	{ CVS_PATH_ROOT,   CFT_DIR, (S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH) },
53 
54 	{ CVS_PATH_COMMITINFO,  CFT_FILE, (S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) },
55 	{ CVS_PATH_CONFIG,      CFT_FILE, (S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) },
56 	{ CVS_PATH_CVSIGNORE,   CFT_FILE, (S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) },
57 	{ CVS_PATH_CVSWRAPPERS, CFT_FILE, (S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) },
58 	{ CVS_PATH_EDITINFO,    CFT_FILE, (S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) },
59 	{ CVS_PATH_HISTORY,     CFT_FILE, (S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) },
60 	{ CVS_PATH_LOGINFO,     CFT_FILE, (S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) },
61 	{ CVS_PATH_MODULES,     CFT_FILE, (S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) },
62 	{ CVS_PATH_NOTIFY,      CFT_FILE, (S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) },
63 	{ CVS_PATH_RCSINFO,     CFT_FILE, (S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) },
64 	{ CVS_PATH_TAGINFO,     CFT_FILE, (S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) },
65 	{ CVS_PATH_VERIFYMSG,   CFT_FILE, (S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) },
66 };
67 
68 
69 
70 /*
71  * cvs_init()
72  *
73  * Handler for the `cvs init' command which is used to initialize a CVS
74  * repository.
75  * Returns 0 on success, or the appropriate exit status on failure.
76  */
77 
78 int
79 cvs_init(int argc, char **argv)
80 {
81 	int fd;
82 	u_int i;
83 	char path[MAXPATHLEN];
84 	RCSFILE *rfp;
85 	struct stat st;
86 	struct cvsroot *root;
87 
88 	if (argc != 1)
89 		return (EX_USAGE);
90 
91 	root = cvsroot_get(".");
92 
93 	for (i = 0; i < sizeof(cvsroot_files)/sizeof(cvsroot_files[i]); i++) {
94 		snprintf(path, sizeof(path), "%s/%s", root->cr_dir,
95 		    cvsroot_files[i].cf_path);
96 
97 		if (cvsroot_files[i].cf_type == CFT_DIR) {
98 			if (mkdir(path, cvsroot_files[i].cf_mode) == -1) {
99 				cvs_log(LP_ERRNO, "failed to create `%s'",
100 				    path);
101 				return (EX_CANTCREAT);
102 			}
103 		}
104 		else if (cvsroot_files[i].cf_type == CFT_FILE) {
105 			fd = open(path, O_WRONLY|O_CREAT|O_EXCL,
106 			    cvsroot_files[i].cf_mode);
107 			if (fd == -1) {
108 				cvs_log(LP_ERRNO, "failed to create `%s'",
109 				    path);
110 				return (EX_CANTCREAT);
111 			}
112 
113 			(void)close(fd);
114 
115 			strlcat(path, RCS_FILE_EXT, sizeof(path));
116 			rfp = rcs_open(path, RCS_MODE_WRITE);
117 			if (rfp == NULL) {
118 				return (EX_CANTCREAT);
119 			}
120 
121 			if (rcs_write(rfp) < 0) {
122 				rcs_close(rfp);
123 				return (EX_CANTCREAT);
124 			}
125 
126 			rcs_close(rfp);
127 		}
128 	}
129 
130 	return (0);
131 }
132