1 /* $OpenBSD: init.c,v 1.32 2007/02/22 06:42:09 otto Exp $ */ 2 /* 3 * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org> 4 * Copyright (c) 2006 Xavier Santolaria <xsa@openbsd.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 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 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <sys/stat.h> 29 30 #include <errno.h> 31 #include <fcntl.h> 32 #include <string.h> 33 #include <unistd.h> 34 35 #include "cvs.h" 36 #include "init.h" 37 #include "remote.h" 38 39 void cvs_init_local(void); 40 41 static void init_mkdir(const char *, mode_t); 42 static void init_mkfile(char *, const char *const *); 43 44 struct cvsroot_file { 45 char *cf_path; 46 const char *const *cf_content; 47 }; 48 49 static const struct cvsroot_file cvsroot_files[] = { 50 { CVS_PATH_CHECKOUTLIST, NULL }, 51 { CVS_PATH_COMMITINFO, NULL }, 52 { CVS_PATH_CONFIG, config_contents }, 53 { CVS_PATH_CVSWRAPPERS, NULL }, 54 { CVS_PATH_EDITINFO, NULL }, 55 { CVS_PATH_HISTORY, NULL }, 56 { CVS_PATH_LOGINFO, NULL }, 57 { CVS_PATH_MODULES, NULL }, 58 { CVS_PATH_NOTIFY_R, NULL }, 59 { CVS_PATH_RCSINFO, NULL }, 60 { CVS_PATH_TAGINFO, NULL }, 61 { CVS_PATH_VALTAGS, NULL }, 62 { CVS_PATH_VERIFYMSG, NULL } 63 }; 64 65 static const char *cvsroot_dirs[2] = { 66 CVS_PATH_ROOT, CVS_PATH_EMPTYDIR 67 }; 68 69 #define INIT_NFILES (sizeof(cvsroot_files)/sizeof(cvsroot_files[0])) 70 #define INIT_NDIRS (sizeof(cvsroot_dirs)/sizeof(cvsroot_dirs[0])) 71 72 struct cvs_cmd cvs_cmd_init = { 73 CVS_OP_INIT, 0, "init", 74 { }, 75 "Create a CVS repository if it doesn't exist", 76 "", 77 "", 78 NULL, 79 cvs_init 80 }; 81 82 int 83 cvs_init(int argc, char **argv) 84 { 85 if (argc > 1) 86 fatal("init does not take any extra arguments"); 87 88 if (current_cvsroot->cr_method != CVS_METHOD_LOCAL) { 89 cvs_client_connect_to_server(); 90 cvs_client_send_request("init %s", current_cvsroot->cr_dir); 91 cvs_client_get_responses(); 92 } else 93 cvs_init_local(); 94 95 return (0); 96 } 97 98 void 99 cvs_init_local(void) 100 { 101 u_int i; 102 char path[MAXPATHLEN]; 103 104 cvs_log(LP_TRACE, "cvs_init_local()"); 105 106 /* Create repository root directory if it does not already exist */ 107 init_mkdir(current_cvsroot->cr_dir, 0777); 108 109 for (i = 0; i < INIT_NDIRS; i++) { 110 (void)xsnprintf(path, MAXPATHLEN, "%s/%s", 111 current_cvsroot->cr_dir, cvsroot_dirs[i]); 112 113 init_mkdir(path, 0777); 114 } 115 116 for (i = 0; i < INIT_NFILES; i++) { 117 (void)xsnprintf(path, MAXPATHLEN, "%s/%s", 118 current_cvsroot->cr_dir, cvsroot_files[i].cf_path); 119 120 init_mkfile(path, cvsroot_files[i].cf_content); 121 } 122 } 123 124 static void 125 init_mkdir(const char *path, mode_t mode) 126 { 127 struct stat st; 128 129 if (mkdir(path, mode) == -1) { 130 if (!(errno == EEXIST || 131 (errno == EACCES && (stat(path, &st) == 0) && 132 S_ISDIR(st.st_mode)))) { 133 fatal("init_mkdir: mkdir: `%s': %s", 134 path, strerror(errno)); 135 } 136 } 137 } 138 139 static void 140 init_mkfile(char *path, const char *const *content) 141 { 142 BUF *b; 143 size_t len; 144 int fd, openflags, rcsflags; 145 char rpath[MAXPATHLEN]; 146 const char *const *p; 147 RCSFILE *file; 148 149 len = 0; 150 fd = -1; 151 openflags = O_WRONLY|O_CREAT|O_EXCL; 152 rcsflags = RCS_RDWR|RCS_CREATE; 153 154 if ((fd = open(path, openflags, 0444)) == -1) 155 fatal("init_mkfile: open: `%s': %s", path, strerror(errno)); 156 157 if (content != NULL) { 158 for (p = content; *p != NULL; ++p) { 159 len = strlen(*p); 160 b = cvs_buf_alloc(len, BUF_AUTOEXT); 161 162 if (cvs_buf_append(b, *p, strlen(*p)) < 0) 163 fatal("init_mkfile: cvs_buf_append"); 164 165 if (cvs_buf_write_fd(b, fd) < 0) 166 fatal("init_mkfile: cvs_buf_write_fd"); 167 168 cvs_buf_free(b); 169 } 170 } 171 172 /* 173 * Make sure history and val-tags files are world-writable. 174 * Every user should be able to write to them. 175 */ 176 if (strcmp(strrchr(CVS_PATH_HISTORY, '/'), strrchr(path, '/')) == 0 || 177 strcmp(strrchr(CVS_PATH_VALTAGS, '/'), strrchr(path, '/')) == 0) { 178 (void)fchmod(fd, 0666); 179 goto out; 180 } 181 182 (void)xsnprintf(rpath, MAXPATHLEN, "%s%s", path, RCS_FILE_EXT); 183 184 if ((file = rcs_open(rpath, fd, rcsflags, 0444)) == NULL) 185 fatal("failed to create RCS file for `%s'", path); 186 187 if ((b = cvs_buf_load(path, BUF_AUTOEXT)) == NULL) 188 fatal("init_mkfile: failed to load %s", path); 189 190 if (rcs_rev_add(file, RCS_HEAD_REV, "initial checkin", -1, NULL) == -1) 191 fatal("init_mkfile: failed to add new revision"); 192 193 /* b buffer is free'd in rcs_deltatext_set */ 194 if (rcs_deltatext_set(file, file->rf_head, b) == -1) 195 fatal("init_mkfile: failed to set delta"); 196 197 file->rf_flags &= ~RCS_SYNCED; 198 rcs_close(file); 199 out: 200 (void)close(fd); 201 } 202