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usermod: Small optimization using memmove for password unlock 

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
This commit is contained in:
Martin Kletzander 2023-03-03 11:57:23 +01:00 committed by Serge Hallyn
parent e3b7058110
commit 8665fe1957
1 changed files with 1 additions and 7 deletions
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8
src/usermod.c
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@ -430,8 +430,6 @@ static char *new_pw_passwd (char *pw_pass)
strcat (buf, pw_pass);
pw_pass = buf;
} else if (Uflg && pw_pass[0] == '!') {
char *s;
if (pw_pass[1] == '\0') {
fprintf (stderr,
_("%s: unlocking the user's password would result in a passwordless account.\n"
@ -445,11 +443,7 @@ static char *new_pw_passwd (char *pw_pass)
"updating password", user_newname, user_newid, 0);
#endif
SYSLOG ((LOG_INFO, "unlock user '%s' password", user_newname));
s = pw_pass;
while ('\0' != *s) {
*s = *(s + 1);
s++;
}
memmove(pw_pass, pw_pass + 1, strlen(pw_pass));
} else if (pflg) {
#ifdef WITH_AUDIT
audit_logger (AUDIT_USER_CHAUTHTOK, Prog,