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check pw_passwd != NULL here too

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Again, for systems with broken NIS implementations.

Prompted by coolbugcheckers AT gmail.com
This commit is contained in:
Damien Miller 2018-10-11 11:29:35 +11:00
parent fe8e8f349a
commit c29b111e7d
1 changed files with 3 additions and 0 deletions
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3
auth-passwd.c
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@ -198,6 +198,9 @@ sys_auth_passwd(struct ssh *ssh, const char *password)
/* Just use the supplied fake password if authctxt is invalid */ /* Just use the supplied fake password if authctxt is invalid */
char *pw_password = authctxt->valid ? shadow_pw(pw) : pw->pw_passwd; char *pw_password = authctxt->valid ? shadow_pw(pw) : pw->pw_passwd;
if (pw_password == NULL)
return 0;
/* Check for users with no password. */ /* Check for users with no password. */
if (strcmp(pw_password, "") == 0 && strcmp(password, "") == 0) if (strcmp(pw_password, "") == 0 && strcmp(password, "") == 0)
return (1); return (1);