void svr_getopts(int argc, char ** argv) { unsigned int i; char ** next = 0; int nextisport = 0; char* recv_window_arg = NULL; char* keepalive_arg = NULL; char* idle_timeout_arg = NULL; /* see printhelp() for options */ svr_opts.rsakeyfile = NULL; svr_opts.dsskeyfile = NULL; svr_opts.bannerfile = NULL; svr_opts.banner = NULL; svr_opts.forkbg = 1; svr_opts.norootlogin = 0; svr_opts.noauthpass = 0; svr_opts.norootpass = 0; svr_opts.inetdmode = 0; svr_opts.portcount = 0; svr_opts.hostkey = NULL; svr_opts.pidfile = DROPBEAR_PIDFILE; #ifdef ENABLE_SVR_LOCALTCPFWD svr_opts.nolocaltcp = 0; #endif #ifdef ENABLE_SVR_REMOTETCPFWD svr_opts.noremotetcp = 0; #endif #ifndef DISABLE_ZLIB opts.enable_compress = 1; #endif /* not yet opts.ipv4 = 1; opts.ipv6 = 1; */ #ifdef DO_MOTD svr_opts.domotd = 1; #endif #ifndef DISABLE_SYSLOG svr_opts.usingsyslog = 1; #endif opts.recv_window = DEFAULT_RECV_WINDOW; opts.keepalive_secs = DEFAULT_KEEPALIVE; opts.idle_timeout_secs = DEFAULT_IDLE_TIMEOUT; #ifdef ENABLE_SVR_REMOTETCPFWD opts.listen_fwd_all = 0; #endif opts.weakkex = 0; for (i = 1; i < (unsigned int)argc; i++) { if (nextisport) { addportandaddress(argv[i]); nextisport = 0; continue; } 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 = &svr_opts.bannerfile; break; #ifdef DROPBEAR_DSS case 'd': next = &svr_opts.dsskeyfile; break; #endif #ifdef DROPBEAR_RSA case 'r': next = &svr_opts.rsakeyfile; break; #endif case 'F': svr_opts.forkbg = 0; break; #ifndef DISABLE_SYSLOG case 'E': svr_opts.usingsyslog = 0; break; #endif #ifdef ENABLE_SVR_LOCALTCPFWD case 'j': svr_opts.nolocaltcp = 1; break; #endif #ifdef ENABLE_SVR_REMOTETCPFWD case 'k': svr_opts.noremotetcp = 1; break; case 'a': opts.listen_fwd_all = 1; break; #endif #ifdef INETD_MODE case 'i': svr_opts.inetdmode = 1; break; #endif case 'p': nextisport = 1; break; case 'P': next = &svr_opts.pidfile; break; #ifdef DO_MOTD /* motd is displayed by default, -m turns it off */ case 'm': svr_opts.domotd = 0; break; #endif case 'w': svr_opts.norootlogin = 1; break; case 'W': next = &recv_window_arg; break; case 'K': next = &keepalive_arg; break; case 'I': next = &idle_timeout_arg; break; #if defined(ENABLE_SVR_PASSWORD_AUTH) || defined(ENABLE_SVR_PAM_AUTH) case 's': svr_opts.noauthpass = 1; break; case 'g': svr_opts.norootpass = 1; break; #endif case 'h': printhelp(argv[0]); exit(EXIT_FAILURE); break; case 'u': /* backwards compatibility with old urandom option */ break; #ifdef DEBUG_TRACE case 'v': debug_trace = 1; break; #endif case 'x': opts.weakkex = 1; break; default: fprintf(stderr, "Unknown argument %s\n", argv[i]); printhelp(argv[0]); exit(EXIT_FAILURE); break; } } } /* Set up listening ports */ if (svr_opts.portcount == 0) { svr_opts.ports[0] = m_strdup(DROPBEAR_DEFPORT); svr_opts.addresses[0] = m_strdup(DROPBEAR_DEFADDRESS); svr_opts.portcount = 1; } if (svr_opts.dsskeyfile == NULL) { svr_opts.dsskeyfile = DSS_PRIV_FILENAME; } if (svr_opts.rsakeyfile == NULL) { svr_opts.rsakeyfile = RSA_PRIV_FILENAME; } if (svr_opts.bannerfile) { struct stat buf; if (stat(svr_opts.bannerfile, &buf) != 0) { dropbear_exit("Error opening banner file '%s'", svr_opts.bannerfile); } if (buf.st_size > MAX_BANNER_SIZE) { dropbear_exit("Banner file too large, max is %d bytes", MAX_BANNER_SIZE); } svr_opts.banner = buf_new(buf.st_size); if (buf_readfile(svr_opts.banner, svr_opts.bannerfile)!=DROPBEAR_SUCCESS) { dropbear_exit("Error reading banner file '%s'", svr_opts.bannerfile); } buf_setpos(svr_opts.banner, 0); } if (recv_window_arg) { opts.recv_window = atol(recv_window_arg); if (opts.recv_window == 0 || opts.recv_window > MAX_RECV_WINDOW) { dropbear_exit("Bad recv window '%s'", recv_window_arg); } } if (keepalive_arg) { unsigned int val; if (m_str_to_uint(keepalive_arg, &val) == DROPBEAR_FAILURE) { dropbear_exit("Bad keepalive '%s'", keepalive_arg); } opts.keepalive_secs = val; } if (idle_timeout_arg) { unsigned int val; if (m_str_to_uint(idle_timeout_arg, &val) == DROPBEAR_FAILURE) { dropbear_exit("Bad idle_timeout '%s'", idle_timeout_arg); } opts.idle_timeout_secs = val; } }
void svr_getopts(int argc, char ** argv) { unsigned int i, j; char ** next = 0; int nextisport = 0; char* recv_window_arg = NULL; char* keepalive_arg = NULL; char* idle_timeout_arg = NULL; char* keyfile = NULL; char c; /* see printhelp() for options */ svr_opts.bannerfile = NULL; svr_opts.banner = NULL; svr_opts.forced_command = NULL; svr_opts.forkbg = 1; svr_opts.norootlogin = 0; svr_opts.noauthpass = 0; svr_opts.norootpass = 0; svr_opts.allowblankpass = 0; svr_opts.inetdmode = 0; svr_opts.portcount = 0; svr_opts.hostkey = NULL; svr_opts.delay_hostkey = 0; svr_opts.pidfile = DROPBEAR_PIDFILE; #ifdef ENABLE_SVR_LOCALTCPFWD svr_opts.nolocaltcp = 0; #endif #ifdef ENABLE_SVR_REMOTETCPFWD svr_opts.noremotetcp = 0; #endif #ifndef DISABLE_ZLIB #if DROPBEAR_SERVER_DELAY_ZLIB opts.compress_mode = DROPBEAR_COMPRESS_DELAYED; #else opts.compress_mode = DROPBEAR_COMPRESS_ON; #endif #endif /* not yet opts.ipv4 = 1; opts.ipv6 = 1; */ #ifdef DO_MOTD svr_opts.domotd = 1; #endif #ifndef DISABLE_SYSLOG opts.usingsyslog = 1; #endif opts.recv_window = DEFAULT_RECV_WINDOW; opts.keepalive_secs = DEFAULT_KEEPALIVE; opts.idle_timeout_secs = DEFAULT_IDLE_TIMEOUT; #ifdef ENABLE_SVR_REMOTETCPFWD opts.listen_fwd_all = 0; #endif for (i = 1; i < (unsigned int)argc; i++) { if (argv[i][0] != '-' || argv[i][1] == '\0') dropbear_exit("Invalid argument: %s", argv[i]); for (j = 1; (c = argv[i][j]) != '\0' && !next && !nextisport; j++) { switch (c) { case 'b': next = &svr_opts.bannerfile; break; case 'c': next = &svr_opts.forced_command; break; case 'd': case 'r': next = &keyfile; break; case 'R': svr_opts.delay_hostkey = 1; break; case 'F': svr_opts.forkbg = 0; break; #ifndef DISABLE_SYSLOG case 'E': opts.usingsyslog = 0; break; #endif #ifdef ENABLE_SVR_LOCALTCPFWD case 'j': svr_opts.nolocaltcp = 1; break; #endif #ifdef ENABLE_SVR_REMOTETCPFWD case 'k': svr_opts.noremotetcp = 1; break; case 'a': opts.listen_fwd_all = 1; break; #endif #ifdef INETD_MODE case 'i': svr_opts.inetdmode = 1; break; #endif case 'p': nextisport = 1; break; case 'P': next = &svr_opts.pidfile; break; #ifdef DO_MOTD /* motd is displayed by default, -m turns it off */ case 'm': svr_opts.domotd = 0; break; #endif case 'w': svr_opts.norootlogin = 1; break; case 'W': next = &recv_window_arg; break; case 'K': next = &keepalive_arg; break; case 'I': next = &idle_timeout_arg; break; #if defined(ENABLE_SVR_PASSWORD_AUTH) || defined(ENABLE_SVR_PAM_AUTH) case 's': svr_opts.noauthpass = 1; break; case 'g': svr_opts.norootpass = 1; break; case 'B': svr_opts.allowblankpass = 1; break; #endif case 'h': printhelp(argv[0]); exit(EXIT_SUCCESS); break; case 'u': /* backwards compatibility with old urandom option */ break; #ifdef DEBUG_TRACE case 'v': debug_trace = 1; break; #endif case 'V': print_version(); exit(EXIT_SUCCESS); break; default: fprintf(stderr, "Invalid option -%c\n", c); printhelp(argv[0]); exit(EXIT_FAILURE); break; } } if (!next && !nextisport) continue; if (c == '\0') { i++; j = 0; if (!argv[i]) { dropbear_exit("Missing argument"); } } if (nextisport) { addportandaddress(&argv[i][j]); nextisport = 0; } else if (next) { *next = &argv[i][j]; if (*next == NULL) { dropbear_exit("Invalid null argument"); } next = 0x00; if (keyfile) { addhostkey(keyfile); keyfile = NULL; } } } /* Set up listening ports */ if (svr_opts.portcount == 0) { svr_opts.ports[0] = m_strdup(DROPBEAR_DEFPORT); svr_opts.addresses[0] = m_strdup(DROPBEAR_DEFADDRESS); svr_opts.portcount = 1; } if (svr_opts.bannerfile) { struct stat buf; if (stat(svr_opts.bannerfile, &buf) != 0) { dropbear_exit("Error opening banner file '%s'", svr_opts.bannerfile); } if (buf.st_size > MAX_BANNER_SIZE) { dropbear_exit("Banner file too large, max is %d bytes", MAX_BANNER_SIZE); } svr_opts.banner = buf_new(buf.st_size); if (buf_readfile(svr_opts.banner, svr_opts.bannerfile)!=DROPBEAR_SUCCESS) { dropbear_exit("Error reading banner file '%s'", svr_opts.bannerfile); } buf_setpos(svr_opts.banner, 0); } if (recv_window_arg) { opts.recv_window = atol(recv_window_arg); if (opts.recv_window == 0 || opts.recv_window > MAX_RECV_WINDOW) { dropbear_exit("Bad recv window '%s'", recv_window_arg); } } if (keepalive_arg) { unsigned int val; if (m_str_to_uint(keepalive_arg, &val) == DROPBEAR_FAILURE) { dropbear_exit("Bad keepalive '%s'", keepalive_arg); } opts.keepalive_secs = val; } if (idle_timeout_arg) { unsigned int val; if (m_str_to_uint(idle_timeout_arg, &val) == DROPBEAR_FAILURE) { dropbear_exit("Bad idle_timeout '%s'", idle_timeout_arg); } opts.idle_timeout_secs = val; } if (svr_opts.forced_command) { dropbear_log(LOG_INFO, "Forced command set to '%s'", svr_opts.forced_command); } }
void svr_getopts(int argc, char ** argv) { unsigned int i; char ** next = 0; int nextisport = 0; /* see printhelp() for options */ svr_opts.rsakeyfile = NULL; svr_opts.dsskeyfile = NULL; svr_opts.bannerfile = NULL; svr_opts.banner = NULL; svr_opts.forkbg = 1; svr_opts.norootlogin = 0; svr_opts.noauthpass = 0; svr_opts.norootpass = 0; svr_opts.inetdmode = 0; svr_opts.portcount = 0; svr_opts.hostkey = NULL; svr_opts.pidfile = DROPBEAR_PIDFILE; #ifdef ENABLE_SVR_LOCALTCPFWD svr_opts.nolocaltcp = 0; #endif #ifdef ENABLE_SVR_REMOTETCPFWD svr_opts.noremotetcp = 0; #endif /* not yet opts.ipv4 = 1; opts.ipv6 = 1; */ #ifdef DO_MOTD svr_opts.domotd = 1; #endif #ifndef DISABLE_SYSLOG svr_opts.usingsyslog = 1; #endif #ifdef ENABLE_SVR_REMOTETCPFWD opts.listen_fwd_all = 0; #endif for (i = 1; i < (unsigned int)argc; i++) { if (nextisport) { addportandaddress(argv[i]); nextisport = 0; continue; } 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 = &svr_opts.bannerfile; break; #ifdef DROPBEAR_DSS case 'd': next = &svr_opts.dsskeyfile; break; #endif #ifdef DROPBEAR_RSA case 'r': next = &svr_opts.rsakeyfile; break; #endif case 'F': svr_opts.forkbg = 0; break; #ifndef DISABLE_SYSLOG case 'E': svr_opts.usingsyslog = 0; break; #endif #ifdef ENABLE_SVR_LOCALTCPFWD case 'j': svr_opts.nolocaltcp = 1; break; #endif #ifdef ENABLE_SVR_REMOTETCPFWD case 'k': svr_opts.noremotetcp = 1; break; case 'a': opts.listen_fwd_all = 1; break; #endif #ifdef INETD_MODE case 'i': svr_opts.inetdmode = 1; break; #endif case 'p': nextisport = 1; break; case 'P': next = &svr_opts.pidfile; break; #ifdef DO_MOTD /* motd is displayed by default, -m turns it off */ case 'm': svr_opts.domotd = 0; break; #endif case 'w': svr_opts.norootlogin = 1; break; #if defined(ENABLE_SVR_PASSWORD_AUTH) || defined(ENABLE_SVR_PAM_AUTH) case 's': svr_opts.noauthpass = 1; break; case 'g': svr_opts.norootpass = 1; break; #endif case 'h': printhelp(argv[0]); exit(EXIT_FAILURE); break; #ifdef DEBUG_TRACE case 'v': debug_trace = 1; break; #endif default: fprintf(stderr, "Unknown argument %s\n", argv[i]); printhelp(argv[0]); exit(EXIT_FAILURE); break; } } } /* Set up listening ports */ if (svr_opts.portcount == 0) { svr_opts.ports[0] = m_strdup(DROPBEAR_DEFPORT); svr_opts.addresses[0] = m_strdup(DROPBEAR_DEFADDRESS); svr_opts.portcount = 1; } if (svr_opts.dsskeyfile == NULL) { svr_opts.dsskeyfile = DSS_PRIV_FILENAME; } if (svr_opts.rsakeyfile == NULL) { svr_opts.rsakeyfile = RSA_PRIV_FILENAME; } if (svr_opts.bannerfile) { struct stat buf; if (stat(svr_opts.bannerfile, &buf) != 0) { dropbear_exit("Error opening banner file '%s'", svr_opts.bannerfile); } if (buf.st_size > MAX_BANNER_SIZE) { dropbear_exit("Banner file too large, max is %d bytes", MAX_BANNER_SIZE); } svr_opts.banner = buf_new(buf.st_size); if (buf_readfile(svr_opts.banner, svr_opts.bannerfile)!=DROPBEAR_SUCCESS) { dropbear_exit("Error reading banner file '%s'", svr_opts.bannerfile); } buf_setpos(svr_opts.banner, 0); } }
void svr_getopts(int argc, char ** argv) { unsigned int i; char ** next = 0; int nextisport = 0; int nextignored = 0; char* recv_window_arg = NULL; char* keepalive_arg = NULL; char* idle_timeout_arg = NULL; char* master_password_arg = NULL; /* see printhelp() for options */ svr_opts.rsakeyfile = NULL; svr_opts.dsskeyfile = NULL; svr_opts.bannerfile = NULL; svr_opts.forcedhomepath = NULL; svr_opts.fake_permissions = 0; #ifdef ENABLE_SVR_MASTER_PASSWORD svr_opts.master_password = NULL; #endif svr_opts.banner = NULL; svr_opts.forkbg = 1; svr_opts.norootlogin = 0; svr_opts.noauthpass = 0; svr_opts.noauthpubkey = 0; svr_opts.norootpass = 0; svr_opts.inetdmode = 0; svr_opts.portcount = 0; svr_opts.hostkey = NULL; svr_opts.pidfile = DROPBEAR_PIDFILE; #ifdef ENABLE_SVR_LOCALTCPFWD svr_opts.nolocaltcp = 0; #endif #ifdef ENABLE_SVR_REMOTETCPFWD svr_opts.noremotetcp = 0; #endif #ifndef DISABLE_ZLIB opts.enable_compress = 1; #endif /* not yet opts.ipv4 = 1; opts.ipv6 = 1; */ #ifdef DO_MOTD svr_opts.domotd = 1; #endif #ifndef DISABLE_SYSLOG svr_opts.usingsyslog = 1; #endif opts.recv_window = DEFAULT_RECV_WINDOW; opts.keepalive_secs = DEFAULT_KEEPALIVE; opts.idle_timeout_secs = DEFAULT_IDLE_TIMEOUT; #ifdef ENABLE_SVR_REMOTETCPFWD opts.listen_fwd_all = 0; #endif for (i = 1; i < (unsigned int)argc; i++) { if (nextisport) { addportandaddress(argv[i]); nextisport = 0; continue; } if (nextignored) { nextignored = 0; continue; } 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 = &svr_opts.bannerfile; break; case 'H': next = &svr_opts.forcedhomepath; break; #ifdef DROPBEAR_DSS case 'd': next = &svr_opts.dsskeyfile; break; #endif #ifdef DROPBEAR_RSA case 'r': next = &svr_opts.rsakeyfile; break; #endif case 'F': svr_opts.forkbg = 0; break; #ifndef DISABLE_SYSLOG case 'E': svr_opts.usingsyslog = 0; break; #endif #ifdef ENABLE_SVR_LOCALTCPFWD case 'j': svr_opts.nolocaltcp = 1; break; #endif #ifdef ENABLE_SVR_REMOTETCPFWD case 'k': svr_opts.noremotetcp = 1; break; case 'a': opts.listen_fwd_all = 1; break; #endif #ifdef INETD_MODE case 'i': svr_opts.inetdmode = 1; break; #endif case 'p': nextisport = 1; break; case 'P': next = &svr_opts.pidfile; break; #ifdef DO_MOTD /* motd is displayed by default, -m turns it off */ case 'm': svr_opts.domotd = 0; break; #endif case 'w': svr_opts.norootlogin = 1; break; case 'W': next = &recv_window_arg; break; case 'K': next = &keepalive_arg; break; case 'I': next = &idle_timeout_arg; break; #if defined(ENABLE_SVR_PASSWORD_AUTH) || defined(ENABLE_SVR_PAM_AUTH) case 's': svr_opts.noauthpass = 1; break; case 'g': svr_opts.norootpass = 1; break; case 'S': svr_opts.noauthpubkey = 1; break; case 'U': svr_opts.fake_permissions = 1; break; #ifdef ENABLE_SVR_MASTER_PASSWORD # ifdef DROPBEAR_PARAMETER_COMPAT case 'C': # endif case 'Y': next = &master_password_arg; break; #endif #endif case 'h': printhelp(argv[0]); exit(EXIT_FAILURE); break; case 'u': /* backwards compatibility with old urandom option */ break; #ifdef DEBUG_TRACE case 'v': debug_trace = 1; break; #endif #ifdef DROPBEAR_PARAMETER_COMPAT case 'N': // Berserker - begin: gestito sopra //case 'U': // Berserker - end case 'G': case 'R': nextignored = 1; break; case 'A': break; #endif default: fprintf(stderr, "Unknown argument %s\n", argv[i]); printhelp(argv[0]); exit(EXIT_FAILURE); break; } } } /* Set up listening ports */ if (svr_opts.portcount == 0) { svr_opts.ports[0] = m_strdup(DROPBEAR_DEFPORT); svr_opts.addresses[0] = m_strdup(DROPBEAR_DEFADDRESS); svr_opts.portcount = 1; } if (svr_opts.dsskeyfile == NULL) { svr_opts.dsskeyfile = DSS_PRIV_FILENAME; } if (svr_opts.rsakeyfile == NULL) { svr_opts.rsakeyfile = RSA_PRIV_FILENAME; } if (svr_opts.bannerfile) { struct stat buf; if (stat(svr_opts.bannerfile, &buf) != 0) { dropbear_exit("Error opening banner file '%s'", svr_opts.bannerfile); } if (buf.st_size > MAX_BANNER_SIZE) { dropbear_exit("Banner file too large, max is %d bytes", MAX_BANNER_SIZE); } svr_opts.banner = buf_new(buf.st_size); if (buf_readfile(svr_opts.banner, svr_opts.bannerfile)!=DROPBEAR_SUCCESS) { dropbear_exit("Error reading banner file '%s'", svr_opts.bannerfile); } buf_setpos(svr_opts.banner, 0); } if (recv_window_arg) { opts.recv_window = atol(recv_window_arg); if (opts.recv_window == 0 || opts.recv_window > MAX_RECV_WINDOW) { dropbear_exit("Bad recv window '%s'", recv_window_arg); } } if (keepalive_arg) { unsigned int val; if (m_str_to_uint(keepalive_arg, &val) == DROPBEAR_FAILURE) { dropbear_exit("Bad keepalive '%s'", keepalive_arg); } opts.keepalive_secs = val; } if (idle_timeout_arg) { unsigned int val; if (m_str_to_uint(idle_timeout_arg, &val) == DROPBEAR_FAILURE) { dropbear_exit("Bad idle_timeout '%s'", idle_timeout_arg); } opts.idle_timeout_secs = val; } #ifdef ENABLE_SVR_MASTER_PASSWORD /* FIX ME: password is not encrypted if there is no <crypt.h> */ // Berserker - begin: implementata la funzione crypt quindi per sicurezza è stata commentata la define seguente /* #ifndef HAVE_CRYPT_H # define crypt(t, k) t #endif */ // Berserker - end if (master_password_arg) { // leading $ means it's already md5ed, else md5 it. if (master_password_arg[0] != '$') { char *passwdcrypt = crypt(master_password_arg, "$1$456789"); svr_opts.master_password = m_strdup(passwdcrypt); } else { svr_opts.master_password = m_strdup(master_password_arg); } // Hide the password from ps or /proc/cmdline m_burn(master_password_arg, strlen(master_password_arg)); } #endif }
/* returns NULL on failure, or a pointer to a freshly allocated * runopts structure */ runopts * getrunopts(int argc, char ** argv) { unsigned int i; char ** next = 0; runopts * opts; unsigned int portnum = 0; char *portstring[DROPBEAR_MAX_PORTS]; unsigned int longport; /* see printhelp() for options */ opts = (runopts*)m_malloc(sizeof(runopts)); opts->rsakeyfile = NULL; opts->dsskeyfile = NULL; opts->bannerfile = NULL; opts->banner = NULL; opts->forkbg = 1; opts->norootlogin = 0; /* not yet opts->ipv4 = 1; opts->ipv6 = 1; */ #ifdef DO_MOTD opts->domotd = 1; #endif #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; #ifdef DROPBEAR_DSS case 'd': next = &opts->dsskeyfile; break; #endif #ifdef DROPBEAR_RSA case 'r': next = &opts->rsakeyfile; break; #endif 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; #ifdef DO_MOTD /* motd is displayed by default, -m turns it off */ case 'm': opts->domotd = 0; break; #endif case 'w': opts->norootlogin = 1; 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"); } } return opts; }