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29 #include <sys/types.h>
39 #include "auth-options.h"
42 sys_auth_passwd(struct ssh *ssh, const char *password)
44 Authctxt *authctxt = ssh->authctxt;
45 struct passwd *pw = authctxt->pw;
46 char *encrypted_password, *salt = NULL;
48 /* Just use the supplied fake password if authctxt is invalid */
49 char *pw_password = authctxt->valid ? shadow_pw(pw) : pw->pw_passwd;
51 if (pw_password == NULL)
54 /* Check for users with no password. */
55 if (strcmp(pw_password, "") == 0 && strcmp(password, "") == 0)
59 * Encrypt the candidate password using the proper salt using
60 * <unistd.h> crypt() version from libcrypt.
61 * The OpenSSH xcrypt() is using DES_crypt().
63 if (authctxt->valid && pw_password[0] && pw_password[1])
67 encrypted_password = crypt(password, salt);
70 * Authentication is accepted if the encrypted passwords
73 return encrypted_password != NULL &&
74 strcmp(encrypted_password, pw_password) == 0;