40 lines
1.3 KiB
Diff
40 lines
1.3 KiB
Diff
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diff -up shadow-4.2.1/src/usermod.c.unlock shadow-4.2.1/src/usermod.c
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--- shadow-4.2.1/src/usermod.c.unlock 2014-12-01 15:14:58.000000000 +0100
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+++ shadow-4.2.1/src/usermod.c 2015-08-27 14:31:50.899712180 +0200
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@@ -455,9 +455,12 @@ static char *new_pw_passwd (char *pw_pas
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strcat (buf, pw_pass);
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pw_pass = buf;
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} else if (Uflg && pw_pass[0] == '!') {
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- char *s;
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+ char *s = pw_pass;
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- if (pw_pass[1] == '\0') {
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+ while ('!' == *s)
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+ ++s;
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+
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+ if (*s == '\0') {
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fprintf (stderr,
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_("%s: unlocking the user's password would result in a passwordless account.\n"
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"You should set a password with usermod -p to unlock this user's password.\n"),
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@@ -471,12 +474,15 @@ static char *new_pw_passwd (char *pw_pas
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user_newname, (unsigned int) user_newid, 1);
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#endif
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SYSLOG ((LOG_INFO, "unlock user '%s' password", user_newname));
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- s = pw_pass;
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- while ('\0' != *s) {
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- *s = *(s + 1);
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- s++;
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- }
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+ memmove (pw_pass, s, strlen (s) + 1);
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} else if (pflg) {
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+ if (strchr (user_pass, ':') != NULL) {
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+ fprintf (stderr,
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+ _("%s: The password field cannot contain a colon character.\n"),
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+ Prog);
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+ return pw_pass;
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+
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+ }
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#ifdef WITH_AUDIT
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audit_logger (AUDIT_USER_CHAUTHTOK, Prog,
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"updating-password",
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