int git_config_pathname(const char **dest, const char *var, const char *value)
{
if (!value)
return config_error_nonbool(var);
*dest = expand_user_path(value);
if (!*dest)
die("Failed to expand user dir in: '%s'", value);
return 0;
}
static char *get_socket_path(void)
{
struct stat sb;
char *old_dir, *socket;
old_dir = expand_user_path("~/.git-credential-cache", 0);
if (old_dir && !stat(old_dir, &sb) && S_ISDIR(sb.st_mode))
socket = xstrfmt("%s/socket", old_dir);
else
socket = xdg_cache_home("credential/socket");
free(old_dir);
return socket;
}
int main(int argc, char **argv)
{
const char * const usage[] = {
"git credential-store [<options>] <action>",
NULL
};
const char *op;
struct credential c = CREDENTIAL_INIT;
struct string_list fns = STRING_LIST_INIT_DUP;
char *file = NULL;
struct option options[] = {
OPT_STRING(0, "file", &file, "path",
"fetch and store credentials in <path>"),
OPT_END()
};
umask(077);
argc = parse_options(argc, (const char **)argv, NULL, options, usage, 0);
if (argc != 1)
usage_with_options(usage, options);
op = argv[0];
if (file) {
string_list_append(&fns, file);
} else {
if ((file = expand_user_path("~/.git-credentials")))
string_list_append_nodup(&fns, file);
file = xdg_config_home("credentials");
if (file)
string_list_append_nodup(&fns, file);
}
if (!fns.nr)
die("unable to set up default path; use --file");
if (credential_read(&c, stdin) < 0)
die("unable to read credential");
if (!strcmp(op, "get"))
lookup_credential(&fns, &c);
else if (!strcmp(op, "erase"))
remove_credential(&fns, &c);
else if (!strcmp(op, "store"))
store_credential(&fns, &c);
else
; /* Ignore unknown operation. */
string_list_clear(&fns, 0);
return 0;
}
hashmap *
_p11_conf_load_modules (int mode, const char *system_dir, const char *user_dir)
{
hashmap *configs;
char *path;
int error = 0;
/* A hash table of name -> config */
configs = hash_create (hash_string_hash, hash_string_equal,
free, (hash_destroy_func)hash_free);
/* Load each user config first, if user config is allowed */
if (mode != CONF_USER_NONE) {
path = expand_user_path (user_dir);
if (!path)
error = errno;
else if (load_configs_from_directory (path, configs) < 0)
error = errno;
free (path);
if (error != 0) {
hash_free (configs);
errno = error;
return NULL;
}
}
/*
* Now unless user config is overriding, load system modules.
* Basically if a value for the same config name is not already
* loaded above (in the user configs) then they're loaded here.
*/
if (mode != CONF_USER_ONLY) {
if (load_configs_from_directory (system_dir, configs) < 0) {
error = errno;
hash_free (configs);
errno = error;
return NULL;
}
}
return configs;
}
int main(int argc, const char **argv)
{
const char * const usage[] = {
"git credential-store [options] <action>",
NULL
};
const char *op;
struct credential c = CREDENTIAL_INIT;
char *file = NULL;
struct option options[] = {
OPT_STRING(0, "file", &file, "path",
"fetch and store credentials in <path>"),
OPT_END()
};
umask(077);
argc = parse_options(argc, argv, NULL, options, usage, 0);
if (argc != 1)
usage_with_options(usage, options);
op = argv[0];
if (!file)
file = expand_user_path("~/.git-credentials");
if (!file)
die("unable to set up default path; use --file");
if (credential_read(&c, stdin) < 0)
die("unable to read credential");
if (!strcmp(op, "get"))
lookup_credential(file, &c);
else if (!strcmp(op, "erase"))
remove_credential(file, &c);
else if (!strcmp(op, "store"))
store_credential(file, &c);
else
; /* Ignore unknown operation. */
return 0;
}
int main(int argc, const char **argv)
{
char *socket_path = NULL;
int timeout = 900;
const char *op;
const char * const usage[] = {
"git credential-cache [<options>] <action>",
NULL
};
struct option options[] = {
OPT_INTEGER(0, "timeout", &timeout,
"number of seconds to cache credentials"),
OPT_STRING(0, "socket", &socket_path, "path",
"path of cache-daemon socket"),
OPT_END()
};
argc = parse_options(argc, argv, NULL, options, usage, 0);
if (!argc)
usage_with_options(usage, options);
op = argv[0];
if (!socket_path)
socket_path = expand_user_path("~/.git-credential-cache/socket");
if (!socket_path)
die("unable to find a suitable socket path; use --socket");
if (!strcmp(op, "exit"))
do_cache(socket_path, op, timeout, 0);
else if (!strcmp(op, "get") || !strcmp(op, "erase"))
do_cache(socket_path, op, timeout, FLAG_RELAY);
else if (!strcmp(op, "store"))
do_cache(socket_path, op, timeout, FLAG_RELAY|FLAG_SPAWN);
else
; /* ignore unknown operation */
return 0;
}
/*
* First, one directory to try is determined by the following algorithm.
*
* (0) If "strict" is given, the path is used as given and no DWIM is
* done. Otherwise:
* (1) "~/path" to mean path under the running user's home directory;
* (2) "~user/path" to mean path under named user's home directory;
* (3) "relative/path" to mean cwd relative directory; or
* (4) "/absolute/path" to mean absolute directory.
*
* Unless "strict" is given, we check "%s/.git", "%s", "%s.git/.git", "%s.git"
* in this order. We select the first one that is a valid git repository, and
* chdir() to it. If none match, or we fail to chdir, we return NULL.
*
* If all goes well, we return the directory we used to chdir() (but
* before ~user is expanded), avoiding getcwd() resolving symbolic
* links. User relative paths are also returned as they are given,
* except DWIM suffixing.
*/
const char *enter_repo(const char *path, int strict)
{
static struct strbuf validated_path = STRBUF_INIT;
static struct strbuf used_path = STRBUF_INIT;
if (!path)
return NULL;
if (!strict) {
static const char *suffix[] = {
"/.git", "", ".git/.git", ".git", NULL,
};
const char *gitfile;
int len = strlen(path);
int i;
while ((1 < len) && (path[len-1] == '/'))
len--;
/*
* We can handle arbitrary-sized buffers, but this remains as a
* sanity check on untrusted input.
*/
if (PATH_MAX <= len)
return NULL;
strbuf_reset(&used_path);
strbuf_reset(&validated_path);
strbuf_add(&used_path, path, len);
strbuf_add(&validated_path, path, len);
if (used_path.buf[0] == '~') {
char *newpath = expand_user_path(used_path.buf);
if (!newpath)
return NULL;
strbuf_attach(&used_path, newpath, strlen(newpath),
strlen(newpath));
}
for (i = 0; suffix[i]; i++) {
struct stat st;
size_t baselen = used_path.len;
strbuf_addstr(&used_path, suffix[i]);
if (!stat(used_path.buf, &st) &&
(S_ISREG(st.st_mode) ||
(S_ISDIR(st.st_mode) && is_git_directory(used_path.buf)))) {
strbuf_addstr(&validated_path, suffix[i]);
break;
}
strbuf_setlen(&used_path, baselen);
}
if (!suffix[i])
return NULL;
gitfile = read_gitfile(used_path.buf);
if (gitfile) {
strbuf_reset(&used_path);
strbuf_addstr(&used_path, gitfile);
}
if (chdir(used_path.buf))
return NULL;
path = validated_path.buf;
}
else {
const char *gitfile = read_gitfile(path);
if (gitfile)
path = gitfile;
if (chdir(path))
return NULL;
}
if (is_git_directory(".")) {
set_git_dir(".");
check_repository_format();
return path;
}
return NULL;
}
/*
* First, one directory to try is determined by the following algorithm.
*
* (0) If "strict" is given, the path is used as given and no DWIM is
* done. Otherwise:
* (1) "~/path" to mean path under the running user's home directory;
* (2) "~user/path" to mean path under named user's home directory;
* (3) "relative/path" to mean cwd relative directory; or
* (4) "/absolute/path" to mean absolute directory.
*
* Unless "strict" is given, we try access() for existence of "%s.git/.git",
* "%s/.git", "%s.git", "%s" in this order. The first one that exists is
* what we try.
*
* Second, we try chdir() to that. Upon failure, we return NULL.
*
* Then, we try if the current directory is a valid git repository.
* Upon failure, we return NULL.
*
* If all goes well, we return the directory we used to chdir() (but
* before ~user is expanded), avoiding getcwd() resolving symbolic
* links. User relative paths are also returned as they are given,
* except DWIM suffixing.
*/
const char *enter_repo(const char *path, int strict)
{
static char used_path[PATH_MAX];
static char validated_path[PATH_MAX];
if (!path)
return NULL;
if (!strict) {
static const char *suffix[] = {
"/.git", "", ".git/.git", ".git", NULL,
};
const char *gitfile;
int len = strlen(path);
int i;
while ((1 < len) && (path[len-1] == '/'))
len--;
if (PATH_MAX <= len)
return NULL;
strncpy(used_path, path, len); used_path[len] = 0 ;
strcpy(validated_path, used_path);
if (used_path[0] == '~') {
char *newpath = expand_user_path(used_path);
if (!newpath || (PATH_MAX - 10 < strlen(newpath))) {
free(newpath);
return NULL;
}
/*
* Copy back into the static buffer. A pity
* since newpath was not bounded, but other
* branches of the if are limited by PATH_MAX
* anyway.
*/
strcpy(used_path, newpath); free(newpath);
}
else if (PATH_MAX - 10 < len)
return NULL;
len = strlen(used_path);
for (i = 0; suffix[i]; i++) {
struct stat st;
strcpy(used_path + len, suffix[i]);
if (!stat(used_path, &st) &&
(S_ISREG(st.st_mode) ||
(S_ISDIR(st.st_mode) && is_git_directory(used_path)))) {
strcat(validated_path, suffix[i]);
break;
}
}
if (!suffix[i])
return NULL;
gitfile = read_gitfile(used_path) ;
if (gitfile)
strcpy(used_path, gitfile);
if (chdir(used_path))
return NULL;
path = validated_path;
}
else if (chdir(path))
return NULL;
if (access("objects", X_OK) == 0 && access("refs", X_OK) == 0 &&
validate_headref("HEAD") == 0) {
set_git_dir(".");
check_repository_format();
return path;
}
return NULL;
}
hashmap *
_p11_conf_load_globals (const char *system_conf, const char *user_conf,
int *user_mode)
{
hashmap *config = NULL;
hashmap *uconfig = NULL;
hashmap *result = NULL;
char *path = NULL;
int error = 0;
int mode;
/*
* This loads the system and user configs. This depends on the user-config
* value in both the system and user configs. A bit more complex than
* you might imagine, since user-config can be set to 'none' in the
* user configuration, essentially turning itself off.
*/
/* Load the main configuration */
config = _p11_conf_parse_file (system_conf, CONF_IGNORE_MISSING);
if (!config)
goto finished;
/* Whether we should use or override from user directory */
mode = user_config_mode (config, CONF_USER_NONE);
if (mode == CONF_USER_INVALID) {
error = EINVAL;
goto finished;
}
if (mode != CONF_USER_NONE) {
path = expand_user_path (user_conf);
if (!path) {
error = errno;
goto finished;
}
/* Load up the user configuration */
uconfig = _p11_conf_parse_file (path, CONF_IGNORE_MISSING);
if (!uconfig) {
error = errno;
goto finished;
}
/* Figure out what the user mode is, defaulting to system mode if not set */
mode = user_config_mode (uconfig, mode);
if (mode == CONF_USER_INVALID) {
error = EINVAL;
goto finished;
}
/* If merging, then supplement user config with system values */
if (mode == CONF_USER_MERGE) {
if (_p11_conf_merge_defaults (uconfig, config) < 0) {
error = errno;
goto finished;
}
}
/* If user config valid at all, then replace system with what we have */
if (mode != CONF_USER_NONE) {
hash_free (config);
config = uconfig;
uconfig = NULL;
}
}
if (user_mode)
*user_mode = mode;
result = config;
config = NULL;
finished:
free (path);
hash_free (config);
hash_free (uconfig);
errno = error;
return result;
}
