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also change group ID

This commit is contained in:
Brian Gerkey 2010-12-31 18:36:33 +00:00
parent 4727d752ae
commit 90240853f3
1 changed files with 11 additions and 3 deletions
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14
tools/rospack/main.cpp
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@ -45,12 +45,20 @@ int main(int argc, char **argv)
// If it looks we're running under sudo, try to drop back to the normal // If it looks we're running under sudo, try to drop back to the normal
// user, to avoid writing the cache with inappropriate permissions, // user, to avoid writing the cache with inappropriate permissions,
// #2884. // #2884.
// Do the group first, because we can't do it after changing the user.
char* sudo_gid_string = getenv("SUDO_GID");
if(sudo_gid_string)
{
gid_t sudo_gid = (int)strtol(sudo_gid_string, (char **)NULL, 10);
if(setgid(sudo_gid))
perror("[rospack] Failed to change GID; cache permissions may need to be adjusted manually. setgid()");
}
char* sudo_uid_string = getenv("SUDO_UID"); char* sudo_uid_string = getenv("SUDO_UID");
if(sudo_uid_string) if(sudo_uid_string)
{ {
int sudo_uid = (int)strtol(sudo_uid_string, (char **)NULL, 10); uid_t sudo_uid = (int)strtol(sudo_uid_string, (char **)NULL, 10);
if(setreuid(sudo_uid, sudo_uid)) if(setuid(sudo_uid))
perror("[rospack] Failed to change UID; cache permissions may need to be adjusted manually. setreuid()"); perror("[rospack] Failed to change UID; cache permissions may need to be adjusted manually. setuid()");
} }
int ret; int ret;