diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/build.h.in | 6 | ||||
| -rw-r--r-- | src/fastd.c | 19 |
2 files changed, 21 insertions, 4 deletions
diff --git a/src/build.h.in b/src/build.h.in index 503348b..c8a90eb 100644 --- a/src/build.h.in +++ b/src/build.h.in @@ -47,6 +47,12 @@ /** Defined if be32toh etc. exist */ #cmakedefine HAVE_LINUX_ENDIAN +/** Defined if the platform defines setresuid() */ +#cmakedefine HAVE_SETRESUID + +/** Defined if the platform defines setresgid() */ +#cmakedefine HAVE_SETRESGID + /** Defined if the platform supports SO_BINDTODEVICE */ #cmakedefine USE_BINDTODEVICE diff --git a/src/fastd.c b/src/fastd.c index 64bc294..8adea3c 100644 --- a/src/fastd.c +++ b/src/fastd.c @@ -312,11 +312,22 @@ static inline void write_pid(void) { static void set_user(void) { #ifdef USE_USER if (conf.user || conf.group) { - if (setgid(conf.gid) < 0) - exit_errno("setgid"); - if (setuid(conf.uid) < 0) - exit_errno("setuid"); +#ifdef HAVE_SETRESGID + if (setresgid(conf.gid, conf.gid, conf.gid) < 0) + exit_errno("setresgid"); +#else + if (setregid(conf.gid, conf.gid) < 0) + exit_errno("setregid"); +#endif + +#ifdef HAVE_SETRESUID + if (setresuid(conf.uid, conf.uid, conf.uid) < 0) + exit_errno("setresuid"); +#else + if (setreuid(conf.uid, conf.uid) < 0) + exit_errno("setreuid"); +#endif pr_info("changed to UID %i, GID %i", (int)conf.uid, (int)conf.gid); } |