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Diffstat (limited to 'cli-runopts.c')
| -rw-r--r-- | cli-runopts.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/cli-runopts.c b/cli-runopts.c new file mode 100644 index 0000000..137e0da --- /dev/null +++ b/cli-runopts.c @@ -0,0 +1,202 @@ +/* + * 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 "dbutil.h" +#include "algo.h" + +cli_runopts cli_opts; /* GLOBAL */ + +static void printhelp(const char * progname); + +static void printhelp(const char * progname) { + + fprintf(stderr, "Dropbear client v%s\n" + "Usage: %s [options] user@host[:port]\n" + "Options are:\n" + "user Remote username\n" + "host Remote host\n" + "port Remote port\n" + ,DROPBEAR_VERSION, progname); +} + +void cli_getopts(int argc, char ** argv) { + + unsigned int i; + char ** next = 0; + + uid_t uid; + struct passwd *pw; + + char* userhostarg = NULL; + + /* see printhelp() for options */ + cli_opts.remotehost = NULL; + cli_opts.remoteport = NULL; + cli_opts.username = NULL; + cli_opts.cmd = NULL; + cli_opts.wantpty = 0; + opts.nolocaltcp = 0; + opts.noremotetcp = 0; + /* not yet + opts.ipv4 = 1; + opts.ipv6 = 1; + */ + + if (argc != 2) { + printhelp(argv[0]); + exit(EXIT_FAILURE); + } + + /* We'll be editing it, should probably make a copy */ + userhostarg = m_strdup(argv[1]); + + cli_opts.remotehost = strchr(userhostarg, '@'); + if (cli_opts.remotehost == NULL) { + /* no username portion, the cli-auth.c code can figure the local + * user's name */ + cli_opts.remotehost = userhostarg; + } else { + cli_opts.remotehost[0] = '\0'; /* Split the user/host */ + cli_opts.remotehost++; + cli_opts.username = userhostarg; + } + + if (cli_opts.username == NULL) { + uid = getuid(); + + pw = getpwuid(uid); + if (pw == NULL || pw->pw_name == NULL) { + dropbear_exit("Couldn't find username for current user"); + } + + cli_opts.username = m_strdup(pw->pw_name); + } + + if (cli_opts.remotehost[0] == '\0') { + dropbear_exit("Bad hostname argument"); + } + + cli_opts.remoteport = strchr(cli_opts.remotehost, ':'); + if (cli_opts.remoteport == NULL) { + cli_opts.remoteport = "22"; + } else { + cli_opts.remoteport[0] = '\0'; + cli_opts.remoteport++; + } + +#if 0 + for (i = 1; i < (unsigned int)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 = &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 +#ifndef DISABLE_LOCALTCPFWD + case 'j': + opts.nolocaltcp = 1; + break; +#endif +#ifndef DISABLE_REMOTETCPFWD + case 'k': + opts.noremotetcp = 1; + 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': + svr_opts.domotd = 0; + break; +#endif + case 'w': + svr_opts.norootlogin = 1; + break; +#ifdef DROPBEAR_PASSWORD_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 '4': + svr_opts.ipv4 = 0; + break; + case '6': + svr_opts.ipv6 = 0; + break; + */ + default: + fprintf(stderr, "Unknown argument %s\n", argv[i]); + printhelp(argv[0]); + exit(EXIT_FAILURE); + break; + } + } + } +#endif + +} |