1 files changed, 0 insertions, 215 deletions

diff --git a/auth-skey.c b/auth-skey.c
deleted file mode 100644
index 7088b790c..000000000
--- a/auth-skey.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/*
- * Copyright (c) 1999,2000 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("$OpenBSD: auth-skey.c,v 1.9 2000/10/19 16:41:13 deraadt Exp $");
-
-#ifdef SKEY
-#include "ssh.h"
-#include "packet.h"
-#include <openssl/sha.h>
-
-/* from %OpenBSD: skeylogin.c,v 1.32 1999/08/16 14:46:56 millert Exp % */
-
-/*
- * try skey authentication,
- * return 1 on success, 0 on failure, -1 if skey is not available
- */
-
-int
-auth_skey_password(struct passwd * pw, const char *password)
-{
-        if (strncasecmp(password, "s/key", 5) == 0) {
-                char *skeyinfo = skey_keyinfo(pw->pw_name);
-                if (skeyinfo == NULL) {
-                        debug("generating fake skeyinfo for %.100s.",
-                            pw->pw_name);
-                        skeyinfo = skey_fake_keyinfo(pw->pw_name);
-                }
-                if (skeyinfo != NULL)
-                        packet_send_debug("%s", skeyinfo);
-                /* Try again. */
-                return 0;
-        } else if (skey_haskey(pw->pw_name) == 0 &&
-                   skey_passcheck(pw->pw_name, (char *) password) != -1) {
-                /* Authentication succeeded. */
-                return 1;
-        }
-        /* Fall back to ordinary passwd authentication. */
-        return -1;
-}
-
-/* from %OpenBSD: skeylogin.c,v 1.32 1999/08/16 14:46:56 millert Exp % */
-
-#define ROUND(x)   (((x)[0] << 24) + (((x)[1]) << 16) + (((x)[2]) << 8) + \
-                    ((x)[3]))
-
-/*
- * hash_collapse()
- */
-static u_int32_t
-hash_collapse(s)
-        u_char *s;
-{
-        int len, target;
-        u_int32_t i;
-        
-        if ((strlen(s) % sizeof(u_int32_t)) == 0)
-                target = strlen(s);    /* Multiple of 4 */
-        else
-                target = strlen(s) - (strlen(s) % sizeof(u_int32_t));
-
-        for (i = 0, len = 0; len < target; len += 4)
-                i ^= ROUND(s + len);
-
-        return i;
-}
-
-char *
-skey_fake_keyinfo(char *username)
-{
-        int i;
-        u_int ptr;
-        u_char hseed[SKEY_MAX_SEED_LEN], flg = 1, *up;
-        char pbuf[SKEY_MAX_PW_LEN+1];
-        static char skeyprompt[SKEY_MAX_CHALLENGE+1];
-        char *secret = NULL;
-        size_t secretlen = 0;
-        SHA_CTX ctx;
-        char *p, *u;
-
-        /*
-         * Base first 4 chars of seed on hostname.
-         * Add some filler for short hostnames if necessary.
-         */
-        if (gethostname(pbuf, sizeof(pbuf)) == -1)
-                *(p = pbuf) = '.';
-        else
-                for (p = pbuf; *p && isalnum(*p); p++)
-                        if (isalpha(*p) && isupper(*p))
-                                *p = tolower(*p);
-        if (*p && pbuf - p < 4)
-                (void)strncpy(p, "asjd", 4 - (pbuf - p));
-        pbuf[4] = '\0';
-
-        /* Hash the username if possible */
-        up = malloc(SHA_DIGEST_LENGTH);
-        if (up != NULL) {
-                struct stat sb;
-                time_t t;
-                int fd;
-
-                SHA1_Init(&ctx);
-                SHA1_Update(&ctx, username, strlen(username));
-                SHA1_Final(up, &ctx);
-
-                /* Collapse the hash */
-                ptr = hash_collapse(up);
-                memset(up, 0, strlen(up));
-
-                /* See if the random file's there, else use ctime */
-                if ((fd = open(_SKEY_RAND_FILE_PATH_, O_RDONLY)) != -1
-                    && fstat(fd, &sb) == 0 &&
-                    sb.st_size > (off_t)SKEY_MAX_SEED_LEN &&
-                    lseek(fd, ptr % (sb.st_size - SKEY_MAX_SEED_LEN),
-                    SEEK_SET) != -1 && read(fd, hseed,
-                    SKEY_MAX_SEED_LEN) == SKEY_MAX_SEED_LEN) {
-                        close(fd);
-                        fd = -1;
-                        secret = hseed;
-                        secretlen = SKEY_MAX_SEED_LEN;
-                        flg = 0;
-                } else if (!stat(_PATH_MEM, &sb) || !stat("/", &sb)) {
-                        t = sb.st_ctime;
-                        secret = ctime(&t);
-                        secretlen = strlen(secret);
-                        flg = 0;
-                }
-                if (fd != -1)
-                        close(fd);
-        }
-
-        /* Put that in your pipe and smoke it */
-        if (flg == 0) {
-                /* Hash secret value with username */
-                SHA1_Init(&ctx);
-                SHA1_Update(&ctx, secret, secretlen);
-                SHA1_Update(&ctx, username, strlen(username));
-                SHA1_Final(up, &ctx);
-                
-                /* Zero out */
-                memset(secret, 0, secretlen);
-
-                /* Now hash the hash */
-                SHA1_Init(&ctx);
-                SHA1_Update(&ctx, up, strlen(up));
-                SHA1_Final(up, &ctx);
-                
-                ptr = hash_collapse(up + 4);
-                
-                for (i = 4; i < 9; i++) {
-                        pbuf[i] = (ptr % 10) + '0';
-                        ptr /= 10;
-                }
-                pbuf[i] = '\0';
-
-                /* Sequence number */
-                ptr = ((up[2] + up[3]) % 99) + 1;
-
-                memset(up, 0, SHA_DIGEST_LENGTH); /* SHA1 specific */
-                free(up);
-
-                (void)snprintf(skeyprompt, sizeof skeyprompt,
-                              "otp-%.*s %d %.*s",
-                              SKEY_MAX_HASHNAME_LEN,
-                              skey_get_algorithm(),
-                              ptr, SKEY_MAX_SEED_LEN,
-                              pbuf);
-        } else {
-                /* Base last 8 chars of seed on username */
-                u = username;
-                i = 8;
-                p = &pbuf[4];
-                do {
-                        if (*u == 0) {
-                                /* Pad remainder with zeros */
-                                while (--i >= 0)
-                                        *p++ = '0';
-                                break;
-                        }
-
-                        *p++ = (*u++ % 10) + '0';
-                } while (--i != 0);
-                pbuf[12] = '\0';
-
-                (void)snprintf(skeyprompt, sizeof skeyprompt,
-                              "otp-%.*s %d %.*s",
-                              SKEY_MAX_HASHNAME_LEN,
-                              skey_get_algorithm(),
-                              99, SKEY_MAX_SEED_LEN, pbuf);
-        }
-        return skeyprompt;
-}
-
-#endif /* SKEY */