MODRET site_chgrp(cmd_rec *cmd) {
int res;
gid_t gid;
char *path = NULL, *tmp = NULL, *arg = "";
register unsigned int i = 0;
#ifdef PR_USE_REGEX
pr_regex_t *pre;
#endif
if (cmd->argc < 3) {
pr_response_add_err(R_500, _("'SITE %s' not understood"),
_get_full_cmd(cmd));
return NULL;
}
/* Construct the target file name by concatenating all the parameters after
* the mode, separating them with spaces.
*/
for (i = 2; i <= cmd->argc-1; i++)
arg = pstrcat(cmd->tmp_pool, arg, *arg ? " " : "",
pr_fs_decode_path(cmd->tmp_pool, cmd->argv[i]), NULL);
#ifdef PR_USE_REGEX
pre = get_param_ptr(CURRENT_CONF, "PathAllowFilter", FALSE);
if (pre != NULL &&
pr_regexp_exec(pre, arg, 0, NULL, 0, 0, 0) != 0) {
pr_log_debug(DEBUG2, "'%s %s' denied by PathAllowFilter", cmd->argv[0],
arg);
pr_response_add_err(R_550, _("%s: Forbidden filename"), cmd->arg);
return PR_ERROR(cmd);
}
pre = get_param_ptr(CURRENT_CONF, "PathDenyFilter", FALSE);
if (pre != NULL &&
pr_regexp_exec(pre, arg, 0, NULL, 0, 0, 0) == 0) {
pr_log_debug(DEBUG2, "'%s %s' denied by PathDenyFilter", cmd->argv[0],
arg);
pr_response_add_err(R_550, _("%s: Forbidden filename"), cmd->arg);
return PR_ERROR(cmd);
}
#endif
path = dir_realpath(cmd->tmp_pool, arg);
if (!path) {
pr_response_add_err(R_550, "%s: %s", arg, strerror(errno));
return PR_ERROR(cmd);
}
/* Map the given group argument, if a string, to a GID. If already a
* number, pass through as is.
*/
gid = strtoul(cmd->argv[1], &tmp, 10);
if (tmp && *tmp) {
/* Try the parameter as a group name. */
gid = pr_auth_name2gid(cmd->tmp_pool, cmd->argv[1]);
if (gid == (gid_t) -1) {
pr_log_debug(DEBUG9,
"SITE CHGRP: Unable to resolve group name '%s' to GID", cmd->argv[1]);
pr_response_add_err(R_550, "%s: %s", arg, strerror(EINVAL));
return PR_ERROR(cmd);
}
}
res = core_chgrp(cmd, path, (uid_t) -1, gid);
if (res < 0) {
int xerrno = errno;
(void) pr_trace_msg("fileperms", 1, "%s, user '%s' (UID %lu, GID %lu): "
"error chown'ing '%s' to GID %lu: %s", cmd->argv[0], session.user,
(unsigned long) session.uid, (unsigned long) session.gid,
path, (unsigned long) gid, strerror(xerrno));
pr_response_add_err(R_550, "%s: %s", arg, strerror(xerrno));
errno = xerrno;
return PR_ERROR(cmd);
} else {
pr_response_add(R_200, _("SITE %s command successful"), cmd->argv[0]);
}
return PR_HANDLED(cmd);
}
MODRET site_chgrp(cmd_rec *cmd) {
gid_t gid;
char *path = NULL, *tmp = NULL, *arg = "";
register unsigned int i = 0;
#if defined(HAVE_REGEX_H) && defined(HAVE_REGCOMP)
regex_t *preg;
#endif
if (cmd->argc < 3) {
pr_response_add_err(R_500, _("'SITE %s' not understood"),
_get_full_cmd(cmd));
return NULL;
}
/* Construct the target file name by concatenating all the parameters after
* the mode, separating them with spaces.
*/
for (i = 2; i <= cmd->argc-1; i++)
arg = pstrcat(cmd->tmp_pool, arg, *arg ? " " : "",
pr_fs_decode_path(cmd->tmp_pool, cmd->argv[i]), NULL);
#if defined(HAVE_REGEX_H) && defined(HAVE_REGCOMP)
preg = (regex_t *) get_param_ptr(CURRENT_CONF, "PathAllowFilter", FALSE);
if (preg &&
regexec(preg, arg, 0, NULL, 0) != 0) {
pr_log_debug(DEBUG2, "'%s %s' denied by PathAllowFilter", cmd->argv[0],
arg);
pr_response_add_err(R_550, _("%s: Forbidden filename"), cmd->arg);
return PR_ERROR(cmd);
}
preg = (regex_t *) get_param_ptr(CURRENT_CONF, "PathDenyFilter", FALSE);
if (preg &&
regexec(preg, arg, 0, NULL, 0) == 0) {
pr_log_debug(DEBUG2, "'%s %s' denied by PathDenyFilter", cmd->argv[0],
arg);
pr_response_add_err(R_550, _("%s: Forbidden filename"), cmd->arg);
return PR_ERROR(cmd);
}
#endif
path = dir_realpath(cmd->tmp_pool, arg);
if (!path) {
pr_response_add_err(R_550, "%s: %s", arg, strerror(errno));
return PR_ERROR(cmd);
}
/* Map the given group argument, if a string, to a GID. If already a
* number, pass through as is.
*/
gid = strtoul(cmd->argv[1], &tmp, 10);
if (tmp && *tmp) {
/* Try the parameter as a user name. */
gid = pr_auth_name2gid(cmd->tmp_pool, cmd->argv[1]);
if (gid == (gid_t) -1) {
pr_response_add_err(R_550, "%s: %s", arg, strerror(EINVAL));
return PR_ERROR(cmd);
}
}
if (core_chgrp(cmd, path, (uid_t) -1, gid) == -1) {
pr_response_add_err(R_550, "%s: %s", arg, strerror(errno));
return PR_ERROR(cmd);
} else
pr_response_add(R_200, _("SITE %s command successful"), cmd->argv[0]);
return PR_HANDLED(cmd);
}
MODRET site_chgrp(cmd_rec *cmd) {
int res;
gid_t gid;
char *path = NULL, *tmp = NULL, *arg = "";
struct stat st;
register unsigned int i = 0;
#ifdef PR_USE_REGEX
pr_regex_t *pre;
#endif
if (cmd->argc < 3) {
pr_response_add_err(R_500, _("'SITE %s' not understood"),
_get_full_cmd(cmd));
return NULL;
}
/* Construct the target file name by concatenating all the parameters after
* the mode, separating them with spaces.
*/
for (i = 2; i <= cmd->argc-1; i++) {
char *decoded_path;
decoded_path = pr_fs_decode_path2(cmd->tmp_pool, cmd->argv[i],
FSIO_DECODE_FL_TELL_ERRORS);
if (decoded_path == NULL) {
int xerrno = errno;
pr_log_debug(DEBUG8, "'%s' failed to decode properly: %s",
(char *) cmd->argv[i], strerror(xerrno));
pr_response_add_err(R_550,
_("SITE %s: Illegal character sequence in command"),
(char *) cmd->argv[1]);
pr_cmd_set_errno(cmd, xerrno);
errno = xerrno;
return PR_ERROR(cmd);
}
arg = pstrcat(cmd->tmp_pool, arg, *arg ? " " : "", decoded_path, NULL);
}
#ifdef PR_USE_REGEX
pre = get_param_ptr(CURRENT_CONF, "PathAllowFilter", FALSE);
if (pre != NULL &&
pr_regexp_exec(pre, arg, 0, NULL, 0, 0, 0) != 0) {
pr_log_debug(DEBUG2, "'%s %s' denied by PathAllowFilter",
(char *) cmd->argv[0], arg);
pr_response_add_err(R_550, _("%s: Forbidden filename"), cmd->arg);
pr_cmd_set_errno(cmd, EPERM);
errno = EPERM;
return PR_ERROR(cmd);
}
pre = get_param_ptr(CURRENT_CONF, "PathDenyFilter", FALSE);
if (pre != NULL &&
pr_regexp_exec(pre, arg, 0, NULL, 0, 0, 0) == 0) {
pr_log_debug(DEBUG2, "'%s %s' denied by PathDenyFilter",
(char *) cmd->argv[0], arg);
pr_response_add_err(R_550, _("%s: Forbidden filename"), cmd->arg);
pr_cmd_set_errno(cmd, EPERM);
errno = EPERM;
return PR_ERROR(cmd);
}
#endif
if (pr_fsio_lstat(arg, &st) == 0) {
if (S_ISLNK(st.st_mode)) {
char link_path[PR_TUNABLE_PATH_MAX];
int len;
memset(link_path, '\0', sizeof(link_path));
len = dir_readlink(cmd->tmp_pool, arg, link_path, sizeof(link_path)-1,
PR_DIR_READLINK_FL_HANDLE_REL_PATH);
if (len > 0) {
link_path[len] = '\0';
arg = pstrdup(cmd->tmp_pool, link_path);
}
}
}
path = dir_realpath(cmd->tmp_pool, arg);
if (path == NULL) {
int xerrno = errno;
pr_response_add_err(R_550, "%s: %s", arg, strerror(xerrno));
pr_cmd_set_errno(cmd, xerrno);
errno = xerrno;
return PR_ERROR(cmd);
}
/* Map the given group argument, if a string, to a GID. If already a
* number, pass through as is.
*/
gid = strtoul(cmd->argv[1], &tmp, 10);
if (tmp && *tmp) {
/* Try the parameter as a group name. */
gid = pr_auth_name2gid(cmd->tmp_pool, cmd->argv[1]);
if (gid == (gid_t) -1) {
int xerrno = EINVAL;
pr_log_debug(DEBUG9,
"SITE CHGRP: Unable to resolve group name '%s' to GID",
(char *) cmd->argv[1]);
pr_response_add_err(R_550, "%s: %s", arg, strerror(xerrno));
pr_cmd_set_errno(cmd, xerrno);
errno = xerrno;
return PR_ERROR(cmd);
}
}
res = core_chgrp(cmd, path, (uid_t) -1, gid);
if (res < 0) {
int xerrno = errno;
(void) pr_trace_msg("fileperms", 1, "%s, user '%s' (UID %s, GID %s): "
"error chown'ing '%s' to GID %s: %s", (char *) cmd->argv[0], session.user,
pr_uid2str(cmd->tmp_pool, session.uid),
pr_gid2str(cmd->tmp_pool, session.gid), path,
pr_gid2str(cmd->tmp_pool, gid), strerror(xerrno));
pr_response_add_err(R_550, "%s: %s", arg, strerror(xerrno));
pr_cmd_set_errno(cmd, xerrno);
errno = xerrno;
return PR_ERROR(cmd);
}
pr_response_add(R_200, _("SITE %s command successful"),
(char *) cmd->argv[0]);
return PR_HANDLED(cmd);
}
