- djm@cvs.openbsd.org 2009/11/20 00:54:01

[openssh.git] / authfile.c

diff --git a/authfile.c b/authfile.c
index 0656262d00710086ff153df6f94d61caead0fb60..3fbe11b0e0fd61847fc1f0ebfec4a609f8194d8b 100644 (file)
--- a/authfile.c
+++ b/authfile.c
@@ -1,3 +1,4 @@
+/* $OpenBSD: authfile.c,v 1.77 2009/10/22 22:26:13 djm Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -36,19 +37,30 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: authfile.c,v 1.63 2006/03/13 10:26:52 dtucker Exp $");
 
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <sys/param.h>
+#include <sys/uio.h>
 
 #include <openssl/err.h>
 #include <openssl/evp.h>
 #include <openssl/pem.h>
 
-#include "cipher.h"
+/* compatibility with old or broken OpenSSL versions */
+#include "openbsd-compat/openssl-compat.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
 #include "xmalloc.h"
+#include "cipher.h"
 #include "buffer.h"
-#include "bufaux.h"
 #include "key.h"
 #include "ssh.h"
 #include "log.h"
@@ -175,7 +187,11 @@ key_save_private_pem(Key *key, const char *filename, const char *_passphrase,
        int success = 0;
        int len = strlen(_passphrase);
        u_char *passphrase = (len > 0) ? (u_char *)_passphrase : NULL;
+#if (OPENSSL_VERSION_NUMBER < 0x00907000L)
        const EVP_CIPHER *cipher = (len > 0) ? EVP_des_ede3_cbc() : NULL;
+#else
+       const EVP_CIPHER *cipher = (len > 0) ? EVP_aes_128_cbc() : NULL;
+#endif
 
        if (len > 0 && len <= 4) {
                error("passphrase too short: have %d bytes, need > 4", len);
@@ -187,7 +203,7 @@ key_save_private_pem(Key *key, const char *filename, const char *_passphrase,
                return 0;
        }
        fp = fdopen(fd, "w");
-       if (fp == NULL ) {
+       if (fp == NULL) {
                error("fdopen %s failed: %s.", filename, strerror(errno));
                close(fd);
                return 0;
@@ -214,12 +230,10 @@ key_save_private(Key *key, const char *filename, const char *passphrase,
        case KEY_RSA1:
                return key_save_private_rsa1(key, filename, passphrase,
                    comment);
-               break;
        case KEY_DSA:
        case KEY_RSA:
                return key_save_private_pem(key, filename, passphrase,
                    comment);
-               break;
        default:
                break;
        }
@@ -540,7 +554,7 @@ key_perm_ok(int fd, const char *filename)
 
 Key *
 key_load_private_type(int type, const char *filename, const char *passphrase,
-    char **commentp)
+    char **commentp, int *perm_ok)
 {
        int fd;
 
@@ -548,22 +562,24 @@ key_load_private_type(int type, const char *filename, const char *passphrase,
        if (fd < 0)
                return NULL;
        if (!key_perm_ok(fd, filename)) {
+               if (perm_ok != NULL)
+                       *perm_ok = 0;
                error("bad permissions: ignore key: %s", filename);
                close(fd);
                return NULL;
        }
+       if (perm_ok != NULL)
+               *perm_ok = 1;
        switch (type) {
        case KEY_RSA1:
                return key_load_private_rsa1(fd, filename, passphrase,
                    commentp);
                /* closes fd */
-               break;
        case KEY_DSA:
        case KEY_RSA:
        case KEY_UNSPEC:
                return key_load_private_pem(fd, type, passphrase, commentp);
                /* closes fd */
-               break;
        default:
                close(fd);
                break;