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author | Denys Vlasenko <dvlasenk@redhat.com> | 2011-04-26 16:00:30 +0200 |
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committer | Denys Vlasenko <dvlasenk@redhat.com> | 2011-04-26 16:00:30 +0200 |
commit | cf17c54d66bf0fc799957ffa675d0ab2e2c8fbed (patch) | |
tree | a210079732e077636ea155d5eb419464a58d7671 | |
parent | a3482c4a87c968281c65f17175be2cf14a55dc4f (diff) | |
download | abrt-cf17c54d66bf0fc799957ffa675d0ab2e2c8fbed.tar.gz abrt-cf17c54d66bf0fc799957ffa675d0ab2e2c8fbed.tar.xz abrt-cf17c54d66bf0fc799957ffa675d0ab2e2c8fbed.zip |
abrt-action-install-debuginfo: set real uid/gid to euid/gid
Fixes EPERM when abrt-action-install-debuginfo runs under root.
Tested to work both under root and non-root
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
-rw-r--r-- | src/plugins/abrt-action-install-debuginfo.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/plugins/abrt-action-install-debuginfo.c b/src/plugins/abrt-action-install-debuginfo.c index cd5cb9df..b60c4321 100644 --- a/src/plugins/abrt-action-install-debuginfo.c +++ b/src/plugins/abrt-action-install-debuginfo.c @@ -16,6 +16,7 @@ with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ +#include <sys/types.h> #include <unistd.h> #include <stdlib.h> #include <string.h> @@ -58,6 +59,17 @@ int main(int argc, char **argv) error_msg_and_die("bad option", arg); } + /* Switch real user/group to effective ones. + * Otherwise yum library gets confused - gets EPERM (why??). + */ + gid_t g = getegid(); + /* do setregid only if we have to, to not upset selinux needlessly */ + if (g != getgid()) + setregid(g, g); + uid_t u = geteuid(); + if (u != getuid()) + setreuid(u, u); + /* We use full path, and execv instead of execvp in order to * disallow user to execute his own abrt-action-install-debuginfo.py * in his dir by setting up corresponding malicious $PATH. |