diff options
Diffstat (limited to 'crypto/openssh/authfile.c')
-rw-r--r-- | crypto/openssh/authfile.c | 92 |
1 files changed, 84 insertions, 8 deletions
diff --git a/crypto/openssh/authfile.c b/crypto/openssh/authfile.c index 92740c4..bd6fee0 100644 --- a/crypto/openssh/authfile.c +++ b/crypto/openssh/authfile.c @@ -1,21 +1,42 @@ /* - * - * authfile.c - * * Author: Tatu Ylonen <ylo@cs.hut.fi> - * * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland * All rights reserved - * - * Created: Mon Mar 27 03:52:05 1995 ylo - * * This file contains functions for reading and writing identity files, and * for reading the passphrase from the user. * + * As far as I am concerned, the code I have written for this software + * can be used freely for any purpose. Any derived versions of this + * software must be clearly marked as such, and if the derived work is + * incompatible with the protocol description in the RFC file, it must be + * called by a name other than "ssh" or "Secure Shell". + * + * + * Copyright (c) 2000 Markus Friedl. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "includes.h" -RCSID("$Id: authfile.c,v 1.16 2000/04/26 21:28:32 markus Exp $"); +RCSID("$OpenBSD: authfile.c,v 1.19 2000/09/07 20:27:49 deraadt Exp $"); #include <openssl/bn.h> #include <openssl/dsa.h> @@ -262,6 +283,7 @@ load_public_key_rsa(const char *filename, RSA * pub, char **comment_return) return 1; } +/* load public key from private-key file */ int load_public_key(const char *filename, Key * key, char **comment_return) { @@ -491,3 +513,57 @@ load_private_key(const char *filename, const char *passphrase, Key *key, close(fd); return ret; } + +int +do_load_public_key(const char *filename, Key *k, char **commentp) +{ + FILE *f; + unsigned int bits; + char line[1024]; + char *cp; + + f = fopen(filename, "r"); + if (f != NULL) { + while (fgets(line, sizeof(line), f)) { + line[sizeof(line)-1] = '\0'; + cp = line; + switch(*cp){ + case '#': + case '\n': + case '\0': + continue; + } + /* Skip leading whitespace. */ + for (; *cp && (*cp == ' ' || *cp == '\t'); cp++) + ; + if (*cp) { + bits = key_read(k, &cp); + if (bits != 0) { + if (commentp) + *commentp=xstrdup(filename); + fclose(f); + return 1; + } + } + } + fclose(f); + } + return 0; +} + +/* load public key from pubkey file */ +int +try_load_public_key(const char *filename, Key *k, char **commentp) +{ + char pub[MAXPATHLEN]; + + if (do_load_public_key(filename, k, commentp) == 1) + return 1; + if (strlcpy(pub, filename, sizeof pub) >= MAXPATHLEN) + return 0; + if (strlcat(pub, ".pub", sizeof pub) >= MAXPATHLEN) + return 0; + if (do_load_public_key(pub, k, commentp) == 1) + return 1; + return 0; +} |