+++ /dev/null
-/*
- * Dropbear - a SSH2 server
- *
- * Copyright (c) 2002,2003 Matt Johnston
- * All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE. */
-
-#include "includes.h"
-#include "runopts.h"
-#include "signkey.h"
-#include "buffer.h"
-#include "util.h"
-#include "algo.h"
-
-static sign_key * loadhostkeys(const char * dsskeyfile,
- const char * rsakeyfile);
-static int readhostkey(const char * filename, sign_key * hostkey, int type);
-
-// BRCM begin
-#if 0
-static void printhelp(const char * progname);
-
-static void printhelp(const char * progname) {
-
- fprintf(stderr, "Dropbear v%s\n"
- "Usage: %s [options]\n"
- "Options are:\n"
- "-b bannerfile Display the contents of bannerfile"
- " before user login\n"
- " (default: none)\n"
- "-d dsskeyfile Use dsskeyfile for the dss host key\n"
- " (default: %s)\n"
- "-r rsakeyfile Use rsakeyfile for the rsa host key\n"
- " (default: %s)\n"
- "-F Don't fork into background\n"
-#ifdef DISABLE_SYSLOG
- "(Syslog support not compiled in, using stderr)\n"
-#else
- "-E Log to stderr rather than syslog\n"
-#endif
- "-p port Listen on specified tcp port, up to %d can be specified\n"
- " (default %d if none specified)\n"
-/* "-4/-6 Disable listening on ipv4/ipv6 respectively\n"*/
-
- ,DROPBEAR_VERSION,
- progname, DSS_PRIV_FILENAME, RSA_PRIV_FILENAME,
- DROPBEAR_MAX_PORTS, DROPBEAR_PORT);
-}
-#endif
-
-/* returns NULL on failure, or a pointer to a freshly allocated
- * runopts structure */
-runopts * getrunopts(void) {
-#if 0
- unsigned int i;
- char ** next = 0;
- unsigned int portnum = 0;
- char *portstring[DROPBEAR_MAX_PORTS];
- unsigned int longport;
-#endif
- runopts * opts;
-
- /* see printhelp() for options */
- opts = (runopts*)m_malloc(sizeof(runopts));
- opts->rsakeyfile = NULL;
- opts->dsskeyfile = NULL;
- opts->bannerfile = NULL;
- opts->banner = NULL;
- opts->forkbg = 0;
- opts->portcount = 1;
- opts->ports = m_malloc(sizeof(uint16_t));
- opts->ports[0] = DROPBEAR_PORT;
-
- if (opts->dsskeyfile == NULL) {
- opts->dsskeyfile = DSS_PRIV_FILENAME;
- }
- if (opts->rsakeyfile == NULL) {
- opts->rsakeyfile = RSA_PRIV_FILENAME;
- }
- opts->hostkey = loadhostkeys(opts->dsskeyfile, opts->rsakeyfile);
-
-#if 0
-
- /* not yet
- opts->ipv4 = 1;
- opts->ipv6 = 1;
- */
-#ifndef DISABLE_SYSLOG
- usingsyslog = 1;
-#endif
-
- for (i = 1; i < argc; i++) {
- if (next) {
- *next = argv[i];
- if (*next == NULL) {
- dropbear_exit("Invalid null argument");
- }
- next = 0x00;
- continue;
- }
-
- if (argv[i][0] == '-') {
- switch (argv[i][1]) {
- case 'b':
- next = &opts->bannerfile;
- break;
- case 'd':
- next = &opts->dsskeyfile;
- break;
- case 'r':
- next = &opts->rsakeyfile;
- break;
- case 'F':
- opts->forkbg = 0;
- break;
-#ifndef DISABLE_SYSLOG
- case 'E':
- usingsyslog = 0;
- break;
-#endif
- case 'p':
- if (portnum < DROPBEAR_MAX_PORTS) {
- portstring[portnum] = NULL;
- next = &portstring[portnum];
- portnum++;
- }
- break;
- case 'h':
- printhelp(argv[0]);
- exit(EXIT_FAILURE);
- break;
- /*
- case '4':
- opts->ipv4 = 0;
- break;
- case '6':
- opts->ipv6 = 0;
- break;
- */
- default:
- fprintf(stderr, "Unknown argument %s\n", argv[i]);
- printhelp(argv[0]);
- exit(EXIT_FAILURE);
- break;
- }
- }
- }
-
- if (opts->dsskeyfile == NULL) {
- opts->dsskeyfile = DSS_PRIV_FILENAME;
- }
- if (opts->rsakeyfile == NULL) {
- opts->rsakeyfile = RSA_PRIV_FILENAME;
- }
- opts->hostkey = loadhostkeys(opts->dsskeyfile, opts->rsakeyfile);
-
- if (opts->bannerfile) {
- struct stat buf;
- if (stat(opts->bannerfile, &buf) != 0) {
- dropbear_exit("Error opening banner file '%s'",
- opts->bannerfile);
- }
-
- if (buf.st_size > MAX_BANNER_SIZE) {
- dropbear_exit("Banner file too large, max is %d bytes",
- MAX_BANNER_SIZE);
- }
-
- opts->banner = buf_new(buf.st_size);
- if (buf_readfile(opts->banner, opts->bannerfile)!=DROPBEAR_SUCCESS) {
- dropbear_exit("Error reading banner file '%s'",
- opts->bannerfile);
- }
- buf_setpos(opts->banner, 0);
- }
-
- /* not yet
- if (!(opts->ipv4 || opts->ipv6)) {
- fprintf(stderr, "You can't disable ipv4 and ipv6.\n");
- exit(1);
- }
- */
-
- /* create the array of listening ports */
- if (portnum == 0) {
- /* non specified */
- opts->portcount = 1;
- opts->ports = m_malloc(sizeof(uint16_t));
- opts->ports[0] = DROPBEAR_PORT;
- } else {
- opts->portcount = portnum;
- opts->ports = (uint16_t*)m_malloc(sizeof(uint16_t)*portnum);
- for (i = 0; i < portnum; i++) {
- if (portstring[i]) {
- longport = atoi(portstring[i]);
- if (longport <= 65535 && longport > 0) {
- opts->ports[i] = (uint16_t)longport;
- continue;
- }
- }
- fprintf(stderr, "Bad port '%s'\n",
- portstring[i] ? portstring[i] : "null");
- }
- }
-#endif
-// BRCM end
-
- return opts;
-}
-
-void freerunopts(runopts* opts) {
-
- if (!opts) {
- return;
- }
-
- if (opts->hostkey) {
- sign_key_free(opts->hostkey);
- }
-
- m_free(opts->ports);
- m_free(opts);
-}
-
-/* returns success or failure */
-static int readhostkey(const char * filename, sign_key * hostkey, int type) {
-
- int ret = DROPBEAR_FAILURE;
- int i;
- buffer *buf;
-
- buf = buf_new(2000);
-
- if (buf_readfile(buf, filename) == DROPBEAR_FAILURE) {
- goto out;
- }
- buf_setpos(buf, 0);
- if (buf_get_priv_key(buf, hostkey, type) == DROPBEAR_FAILURE) {
- goto out;
- }
-
- ret = DROPBEAR_SUCCESS;
-out:
- if (ret == DROPBEAR_FAILURE) {
- for (i = 0; sshhostkey[i].name != NULL; i++) {
- if (sshhostkey[i].val == type) {
- sshhostkey[i].usable = 0;
- break;
- }
- }
- fprintf(stderr, "Failed reading '%s', disabling %s\n", filename,
- type == DROPBEAR_SIGNKEY_DSS ? "DSS" : "RSA");
- }
-
- buf_burn(buf);
- buf_free(buf);
- return ret;
-}
-
-static sign_key * loadhostkeys(const char * dsskeyfile,
- const char * rsakeyfile) {
-
- sign_key * hostkey;
-
- TRACE(("enter loadhostkeys"));
-
- hostkey = new_sign_key();
-
-#ifdef DROPBEAR_RSA
- (void)readhostkey(rsakeyfile, hostkey, DROPBEAR_SIGNKEY_RSA);
-#endif
-
-#ifdef DROPBEAR_DSS
- (void)readhostkey(dsskeyfile, hostkey, DROPBEAR_SIGNKEY_DSS);
-#endif
-
- if ( 1
-#ifdef DROPBEAR_DSS
- && hostkey->dsskey == NULL
-#endif
-#ifdef DROPBEAR_RSA
- && hostkey->rsakey == NULL
-#endif
- ) {
- dropbear_exit("No hostkeys available");
- }
-
- TRACE(("leave loadhostkeys"));
- return hostkey;
-}
projects / bcm963xx.git / blobdiff