diff options
author | Darren Tucker <dtucker@zip.com.au> | 2012-11-05 17:04:37 +1100 |
---|---|---|
committer | Darren Tucker <dtucker@zip.com.au> | 2012-11-05 17:04:37 +1100 |
commit | f96ff18a9240e38e5d3c671f5f8f341099874aaf (patch) | |
tree | edca765088179b1faec91fb305ce8a2487663cc9 /openbsd-compat/bsd-setres_id.c | |
parent | a6e3f01d1e230b8acfdd6b4cf3096459d2a325e0 (diff) |
- (dtucker) [uidswap.c openbsd-compat/Makefile.in
openbsd-compat/bsd-setres_id.c openbsd-compat/bsd-setres_id.h
openbsd-compat/openbsd-compat.h] Move the fallback code for setting uids
and gids from uidswap.c to the compat library, which allows it to work with
the new setresuid calls in auth2-pubkey. with tim@, ok djm@
Diffstat (limited to 'openbsd-compat/bsd-setres_id.c')
-rw-r--r-- | openbsd-compat/bsd-setres_id.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/openbsd-compat/bsd-setres_id.c b/openbsd-compat/bsd-setres_id.c new file mode 100644 index 00000000..020b214b --- /dev/null +++ b/openbsd-compat/bsd-setres_id.c @@ -0,0 +1,99 @@ +/* $Id: bsd-setres_id.c,v 1.1 2012/11/05 06:04:37 dtucker Exp $ */ + +/* + * Copyright (c) 2012 Darren Tucker (dtucker at zip com au). + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "includes.h" + +#include <sys/types.h> + +#include <stdarg.h> +#include <unistd.h> + +#include "log.h" + +#if !defined(HAVE_SETRESGID) || defined(BROKEN_SETRESGID) +int +setresgid(gid_t rgid, gid_t egid, gid_t sgid) +{ + int ret = 0, saved_errno; + + if (rgid != sgid) { + errno = ENOSYS; + return -1; + } +#if defined(HAVE_SETREGID) && !defined(BROKEN_SETREGID) + if (setregid(rgid, egid) < 0) { + saved_errno = errno; + error("setregid %u: %.100s", rgid, strerror(errno)); + errno = saved_errno; + ret = -1; + } +#else + if (setegid(egid) < 0) { + saved_errno = errno; + error("setegid %u: %.100s", (u_int)egid, strerror(errno)); + errno = saved_errno; + ret = -1; + } + if (setgid(rgid) < 0) { + saved_errno = errno; + error("setgid %u: %.100s", rgid, strerror(errno)); + errno = saved_errno; + ret = -1; + } +#endif + return ret; +} +#endif + +#if !defined(HAVE_SETRESUID) || defined(BROKEN_SETRESUID) +int +setresuid(uid_t ruid, uid_t euid, uid_t suid) +{ + int ret = 0, saved_errno; + + if (ruid != suid) { + errno = ENOSYS; + return -1; + } +#if defined(HAVE_SETREUID) && !defined(BROKEN_SETREUID) + if (setreuid(ruid, euid) < 0) { + saved_errno = errno; + error("setreuid %u: %.100s", ruid, strerror(errno)); + errno = saved_errno; + ret = -1; + } +#else + +# ifndef SETEUID_BREAKS_SETUID + if (seteuid(euid) < 0) { + saved_errno = errno; + error("seteuid %u: %.100s", euid, strerror(errno)); + errno = saved_errno; + ret = -1; + } +# endif + if (setuid(ruid) < 0) { + saved_errno = errno; + error("setuid %u: %.100s", ruid, strerror(errno)); + errno = saved_errno; + ret = -1; + } +#endif + return ret; +} +#endif |