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pwck.c: only check home dirs if set and not a system user

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Closes #126

Changelog: pwck, better to look at array than to use strnlen.
This commit is contained in:
ed 2019-08-25 20:11:24 +01:00 committed by Serge Hallyn
parent 5687be5f31
commit c4e8b411d4
1 changed files with 13 additions and 6 deletions
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7
src/pwck.c
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@ -382,6 +382,8 @@ static void check_pw_file (int *errors, bool *changed)
struct commonio_entry *pfe, *tpfe; struct commonio_entry *pfe, *tpfe;
struct passwd *pwd; struct passwd *pwd;
struct spwd *spw; struct spwd *spw;
uid_t min_sys_id = (uid_t) getdef_ulong ("SYS_UID_MIN", 101UL);
uid_t max_sys_id = (uid_t) getdef_ulong ("SYS_UID_MAX", 999UL);
/* /*
* Loop through the entire password file. * Loop through the entire password file.
@ -509,6 +511,10 @@ static void check_pw_file (int *errors, bool *changed)
*errors += 1; *errors += 1;
} }
/*
* If uid is system and has a home directory, then check
*/
if (!(pwd->pw_uid >= min_sys_id && pwd->pw_uid <= max_sys_id && pwd->pw_dir && pwd->pw_dir[0])) {
/* /*
* Make sure the home directory exists * Make sure the home directory exists
*/ */
@ -520,6 +526,7 @@ static void check_pw_file (int *errors, bool *changed)
pwd->pw_name, pwd->pw_dir); pwd->pw_name, pwd->pw_dir);
*errors += 1; *errors += 1;
} }
}
/* /*
* Make sure the login shell is executable * Make sure the login shell is executable