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| author | Thomas Habets <habets@google.com> | 2017-06-20 14:54:41 +0100 |
|---|---|---|
| committer | Thomas Habets <habets@google.com> | 2017-06-20 14:54:41 +0100 |
| commit | 5fac3f24f014e24fd05b4da0471aa953f70fec6d (patch) | |
| tree | e8e731d9d613181d14d8fcc4fe3d8b5de85bdbce | |
| parent | b1b5d48a4ffe021e078d1d6d140d7ab2f0ddcfbb (diff) | |
| download | arping-5fac3f24f014e24fd05b4da0471aa953f70fec6d.tar.gz | |
Better error message for dropping privs to unknown user
| -rw-r--r-- | src/arping.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/arping.c b/src/arping.c index 26c568a..789aed7 100644 --- a/src/arping.c +++ b/src/arping.c @@ -318,9 +318,13 @@ drop_privileges(const char* drop_group) gid_t gid = 0; if (!(pw = getpwnam(drop_user))) { if (verbose) { - // TODO: better error message. - printf("arping: getpwnam(%s): %s\n", - drop_user, strerror(errno)); + if (errno != 0) { + printf("arping: getpwnam(%s): %s\n", + drop_user, strerror(errno)); + } else { + printf("arping: getpwnam(%s): unknown user\n", + drop_user); + } } return; // TODO: remove this 'return'. } else { |