git.distorted.org.uk Git - u/mdw/putty/blob - unix/uxputty.c

   1 /*
   2  * Unix PuTTY main program.
   3  */
   4
   5 #include <stdio.h>
   6 #include <ctype.h>
   7 #include <stdlib.h>
   8 #include <assert.h>
   9 #include <unistd.h>
  10 #include <gdk/gdk.h>
  11
  12 #include "putty.h"
  13 #include "storage.h"
  14
  15 /*
  16  * Stubs to avoid uxpty.c needing to be linked in.
  17  */
  18 const int use_pty_argv = FALSE;
  19 char **pty_argv;                       /* never used */
  20
  21 /*
  22  * Clean up and exit.
  23  */
  24 void cleanup_exit(int code)
  25 {
  26     /*
  27      * Clean up.
  28      */
  29     sk_cleanup();
  30     random_save_seed();
  31     exit(code);
  32 }
  33
  34 Backend *select_backend(Config *cfg)
  35 {
  36     int i;
  37     Backend *back = NULL;
  38     for (i = 0; backends[i].backend != NULL; i++)
  39         if (backends[i].protocol == cfg->protocol) {
  40             back = backends[i].backend;
  41             break;
  42         }
  43     assert(back != NULL);
  44     return back;
  45 }
  46
  47 int cfgbox(Config *cfg)
  48 {
  49     return do_config_box("PuTTY Configuration", cfg, 0, 0);
  50 }
  51
  52 static int got_host = 0;
  53
  54 const int use_event_log = 1, new_session = 1, saved_sessions = 1;
  55
  56 int process_nonoption_arg(char *arg, Config *cfg, int *allow_launch)
  57 {
  58     char *p, *q = arg;
  59
  60     if (got_host) {
  61         /*
  62          * If we already have a host name, treat this argument as a
  63          * port number. NB we have to treat this as a saved -P
  64          * argument, so that it will be deferred until it's a good
  65          * moment to run it.
  66          */
  67         int ret = cmdline_process_param("-P", arg, 1, cfg);
  68         assert(ret == 2);
  69     } else if (!strncmp(q, "telnet:", 7)) {
  70         /*
  71          * If the hostname starts with "telnet:",
  72          * set the protocol to Telnet and process
  73          * the string as a Telnet URL.
  74          */
  75         char c;
  76
  77         q += 7;
  78         if (q[0] == '/' && q[1] == '/')
  79             q += 2;
  80         cfg->protocol = PROT_TELNET;
  81         p = q;
  82         while (*p && *p != ':' && *p != '/')
  83             p++;
  84         c = *p;
  85         if (*p)
  86             *p++ = '\0';
  87         if (c == ':')
  88             cfg->port = atoi(p);
  89         else
  90             cfg->port = -1;
  91         strncpy(cfg->host, q, sizeof(cfg->host) - 1);
  92         cfg->host[sizeof(cfg->host) - 1] = '\0';
  93         got_host = 1;
  94     } else {
  95         /*
  96          * Otherwise, treat this argument as a host name.
  97          */
  98         p = arg;
  99         while (*p && !isspace((unsigned char)*p))
 100             p++;
 101         if (*p)
 102             *p++ = '\0';
 103         strncpy(cfg->host, q, sizeof(cfg->host) - 1);
 104         cfg->host[sizeof(cfg->host) - 1] = '\0';
 105         got_host = 1;
 106     }
 107     if (got_host)
 108         *allow_launch = TRUE;
 109     return 1;
 110 }
 111
 112 char *make_default_wintitle(char *hostname)
 113 {
 114     return dupcat(hostname, " - PuTTY", NULL);
 115 }
 116
 117 /*
 118  * X11-forwarding-related things suitable for Gtk app.
 119  */
 120
 121 const char platform_x11_best_transport[] = "unix";
 122
 123 char *platform_get_x_display(void) {
 124     const char *display;
 125     /* Try to take account of --display and what have you. */
 126     if (!(display = gdk_get_display()))
 127         /* fall back to traditional method */
 128         display = getenv("DISPLAY");
 129     return dupstr(display);
 130 }
 131
 132 int main(int argc, char **argv)
 133 {
 134     extern int pt_main(int argc, char **argv);
 135     sk_init();
 136     flags = FLAG_VERBOSE | FLAG_INTERACTIVE;
 137     default_protocol = be_default_protocol;
 138     /* Find the appropriate default port. */
 139     {
 140         int i;
 141         default_port = 0; /* illegal */
 142         for (i = 0; backends[i].backend != NULL; i++)
 143             if (backends[i].protocol == default_protocol) {
 144                 default_port = backends[i].backend->default_port;
 145                 break;
 146             }
 147     }
 148     return pt_main(argc, argv);
 149 }