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| author | Paul Eggert <eggert@cs.ucla.edu> | 2022-02-04 14:27:41 -0800 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2022-02-04 14:28:25 -0800 |
| commit | ff208d546a26fee39a0191297c11560da74b5dee (patch) | |
| tree | 529916c7a56aa3032e88c2f0bc1c9ac3c0491da1 /lib | |
| parent | 6ef3d783333346333f35bb181ba90f5bc46c0b29 (diff) | |
| download | gnulib-ff208d546a26fee39a0191297c11560da74b5dee.tar.gz | |
userspec: help fix GNU ‘id’ incompatibility
* lib/userspec.c (parse_with_separator):
Don’t set *username to a numeric string that is not a user name,
and similarly for *groupname. Needed to fix Bug#53631.
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/userspec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/userspec.c b/lib/userspec.c index 99ac93bb53..f05ccbe635 100644 --- a/lib/userspec.c +++ b/lib/userspec.c @@ -161,6 +161,7 @@ parse_with_separator (char const *spec, char const *separator, pwd = (*u == '+' ? NULL : getpwnam (u)); if (pwd == NULL) { + username = NULL; bool use_login_group = (separator != NULL && g == NULL); if (use_login_group) { @@ -202,6 +203,7 @@ parse_with_separator (char const *spec, char const *separator, grp = (*g == '+' ? NULL : getgrnam (g)); if (grp == NULL) { + groupname = NULL; unsigned long int tmp; if (xstrtoul (g, NULL, 10, &tmp, "") == LONGINT_OK && tmp <= MAXGID && (gid_t) tmp != (gid_t) -1) |