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/* $OpenBSD: init.c,v 1.42 2021/10/25 10:07:12 deraadt Exp $ */
/*
* Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
* Copyright (c) 2006 Xavier Santolaria <xsa@openbsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#include "atomicio.h"
#include "cvs.h"
#include "init.h"
#include "remote.h"
void cvs_init_local(void);
static void init_mkdir(const char *, mode_t);
static void init_mkfile(char *, char **);
struct cvsroot_file {
char *cf_path;
char **cf_content;
};
static const struct cvsroot_file cvsroot_files[] = {
{ CVS_PATH_CHECKOUTLIST, NULL },
{ CVS_PATH_COMMITINFO, NULL },
{ CVS_PATH_CONFIG, config_contents },
{ CVS_PATH_CVSWRAPPERS, NULL },
{ CVS_PATH_EDITINFO, NULL },
{ CVS_PATH_HISTORY, NULL },
{ CVS_PATH_LOGINFO, NULL },
{ CVS_PATH_MODULES, NULL },
{ CVS_PATH_NOTIFY_R, NULL },
{ CVS_PATH_RCSINFO, NULL },
{ CVS_PATH_TAGINFO, NULL },
{ CVS_PATH_VALTAGS, NULL },
{ CVS_PATH_VERIFYMSG, NULL }
};
static const char *cvsroot_dirs[2] = {
CVS_PATH_ROOT, CVS_PATH_EMPTYDIR
};
#define INIT_NFILES (sizeof(cvsroot_files)/sizeof(cvsroot_files[0]))
#define INIT_NDIRS (sizeof(cvsroot_dirs)/sizeof(cvsroot_dirs[0]))
struct cvs_cmd cvs_cmd_init = {
CVS_OP_INIT, 0, "init",
{ { 0 }, { 0 } },
"Create a CVS repository if it doesn't exist",
"",
"",
NULL,
cvs_init
};
int
cvs_init(int argc, char **argv)
{
if (argc > 1)
fatal("init does not take any extra arguments");
if (cvsroot_is_remote()) {
cvs_client_connect_to_server();
cvs_client_send_request("init %s", current_cvsroot->cr_dir);
cvs_client_get_responses();
} else {
cvs_init_local();
}
return (0);
}
void
cvs_init_local(void)
{
u_int i;
char path[PATH_MAX];
cvs_log(LP_TRACE, "cvs_init_local()");
/* Create repository root directory if it does not already exist */
init_mkdir(current_cvsroot->cr_dir, 0777);
for (i = 0; i < INIT_NDIRS; i++) {
(void)xsnprintf(path, PATH_MAX, "%s/%s",
current_cvsroot->cr_dir, cvsroot_dirs[i]);
init_mkdir(path, 0777);
}
for (i = 0; i < INIT_NFILES; i++) {
(void)xsnprintf(path, PATH_MAX, "%s/%s",
current_cvsroot->cr_dir, cvsroot_files[i].cf_path);
init_mkfile(path, cvsroot_files[i].cf_content);
}
}
static void
init_mkdir(const char *path, mode_t mode)
{
struct stat st;
if (mkdir(path, mode) == -1) {
if (!(errno == EEXIST ||
(errno == EACCES && (stat(path, &st) == 0) &&
S_ISDIR(st.st_mode)))) {
fatal("init_mkdir: mkdir: `%s': %s",
path, strerror(errno));
}
}
}
static void
init_mkfile(char *path, char **content)
{
BUF *b;
size_t len;
int fd, rcsflags;
char rpath[PATH_MAX];
char **p;
RCSFILE *file;
rcsflags = RCS_WRITE | RCS_CREATE;
if ((fd = open(path, O_WRONLY | O_CREAT | O_EXCL, 0444)) == -1)
fatal("init_mkfile: open: `%s': %s", path, strerror(errno));
if (content != NULL) {
for (p = content; *p != NULL; ++p) {
len = strlen(*p);
if (atomicio(vwrite, fd, *p, len) != len)
fatal("init_mkfile: atomicio failed");
}
}
/*
* Make sure history and val-tags files are world-writable.
* Every user should be able to write to them.
*/
if (strcmp(strrchr(CVS_PATH_HISTORY, '/'), strrchr(path, '/')) == 0 ||
strcmp(strrchr(CVS_PATH_VALTAGS, '/'), strrchr(path, '/')) == 0) {
(void)fchmod(fd, 0666);
(void)close(fd);
return;
}
(void)xsnprintf(rpath, PATH_MAX, "%s%s", path, RCS_FILE_EXT);
if ((file = rcs_open(rpath, -1, rcsflags, 0444)) == NULL)
fatal("failed to create RCS file for `%s'", path);
b = buf_load(path);
if (rcs_rev_add(file, RCS_HEAD_REV, "initial checkin", -1, NULL) == -1)
fatal("init_mkfile: failed to add new revision");
/* b buffer is free'd in rcs_deltatext_set */
if (rcs_deltatext_set(file, file->rf_head, b) == -1)
fatal("init_mkfile: failed to set delta");
file->rf_flags &= ~RCS_SYNCED;
rcs_close(file);
(void)close(fd);
}
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