Mercurial > dovecot > core-2.2
view src/lib/mkdir-parents.c @ 14133:ba770cba5598
Updated copyright notices to include year 2012.
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Sun, 12 Feb 2012 18:55:28 +0200 |
parents | 02829f7f79c7 |
children | c93ca5e46a8a 40f9e2e339a6 |
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/* Copyright (c) 2003-2012 Dovecot authors, see the included COPYING file */ #include "lib.h" #include "str.h" #include "eacces-error.h" #include "mkdir-parents.h" #include "ipwd.h" #include <sys/stat.h> #include <unistd.h> static int mkdir_chown_full(const char *path, mode_t mode, uid_t uid, gid_t gid, const char *gid_origin) { string_t *str; mode_t old_mask; int ret, orig_errno; old_mask = umask(0); ret = mkdir(path, mode); umask(old_mask); if (ret < 0) { if (errno == EISDIR || errno == ENOSYS) { /* EISDIR check is for BSD/OS which returns it if path contains '/' at the end and it exists. ENOSYS check is for NFS mount points. */ errno = EEXIST; } return -1; } if (chown(path, uid, gid) < 0) { orig_errno = errno; if (rmdir(path) < 0) i_error("rmdir(%s) failed: %m", path); errno = orig_errno; if (errno == EPERM && uid == (uid_t)-1) { i_error("%s", eperm_error_get_chgrp("chown", path, gid, gid_origin)); return -1; } str = t_str_new(256); str_printfa(str, "chown(%s, %ld", path, uid == (uid_t)-1 ? -1L : (long)uid); if (uid != (uid_t)-1) { struct passwd pw; if (i_getpwuid(uid, &pw) > 0) str_printfa(str, "(%s)", pw.pw_name); } str_printfa(str, ", %ld", gid == (gid_t)-1 ? -1L : (long)gid); if (gid != (gid_t)-1) { struct group gr; if (i_getgrgid(uid, &gr) > 0) str_printfa(str, "(%s)", gr.gr_name); } errno = orig_errno; i_error("%s) failed: %m", str_c(str)); return -1; } return 0; } int mkdir_chown(const char *path, mode_t mode, uid_t uid, gid_t gid) { return mkdir_chown_full(path, mode, uid, gid, NULL); } int mkdir_chgrp(const char *path, mode_t mode, gid_t gid, const char *gid_origin) { return mkdir_chown_full(path, mode, (uid_t)-1, gid, gid_origin); } static int mkdir_parents_chown_full(const char *path, mode_t mode, uid_t uid, gid_t gid, const char *gid_origin) { const char *p; int ret; if (mkdir_chown_full(path, mode, uid, gid, gid_origin) < 0) { if (errno != ENOENT) return -1; /* doesn't exist, try recursively creating our parent dir */ p = strrchr(path, '/'); if (p == NULL || p == path) return -1; /* shouldn't happen */ T_BEGIN { ret = mkdir_parents_chown_full(t_strdup_until(path, p), mode, uid, gid, gid_origin); } T_END; if (ret < 0) return -1; /* should work now */ if (mkdir_chown_full(path, mode, uid, gid, gid_origin) < 0) return -1; } return 0; } int mkdir_parents_chown(const char *path, mode_t mode, uid_t uid, gid_t gid) { return mkdir_parents_chown_full(path, mode, uid, gid, NULL); } int mkdir_parents_chgrp(const char *path, mode_t mode, gid_t gid, const char *gid_origin) { return mkdir_parents_chown_full(path, mode, (uid_t)-1, gid, gid_origin); } int mkdir_parents(const char *path, mode_t mode) { return mkdir_parents_chown(path, mode, (uid_t)-1, (gid_t)-1); }