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(Conf *conf)
  35 {
  36     Backend *back = backend_from_proto(conf_get_int(conf, CONF_protocol));
  37     assert(back != NULL);
  38     return back;
  39 }
  40
  41 int cfgbox(Conf *conf)
  42 {
  43     char *title = dupcat(appname, " Configuration", NULL);
  44     int ret = do_config_box(title, conf, 0, 0);
  45     sfree(title);
  46     return ret;
  47 }
  48
  49 static int got_host = 0;
  50
  51 const int use_event_log = 1, new_session = 1, saved_sessions = 1;
  52
  53 int process_nonoption_arg(char *arg, Conf *conf, int *allow_launch)
  54 {
  55     char *p, *q = arg;
  56
  57     if (got_host) {
  58         /*
  59          * If we already have a host name, treat this argument as a
  60          * port number. NB we have to treat this as a saved -P
  61          * argument, so that it will be deferred until it's a good
  62          * moment to run it.
  63          */
  64         int ret = cmdline_process_param("-P", arg, 1, conf);
  65         assert(ret == 2);
  66     } else if (!strncmp(q, "telnet:", 7)) {
  67         /*
  68          * If the hostname starts with "telnet:",
  69          * set the protocol to Telnet and process
  70          * the string as a Telnet URL.
  71          */
  72         char c;
  73
  74         q += 7;
  75         if (q[0] == '/' && q[1] == '/')
  76             q += 2;
  77         conf_set_int(conf, CONF_protocol, PROT_TELNET);
  78         p = q;
  79         while (*p && *p != ':' && *p != '/')
  80             p++;
  81         c = *p;
  82         if (*p)
  83             *p++ = '\0';
  84         if (c == ':')
  85             conf_set_int(conf, CONF_port, atoi(p));
  86         else
  87             conf_set_int(conf, CONF_port, -1);
  88         conf_set_str(conf, CONF_host, q);
  89         got_host = 1;
  90     } else {
  91         /*
  92          * Otherwise, treat this argument as a host name.
  93          */
  94         p = arg;
  95         while (*p && !isspace((unsigned char)*p))
  96             p++;
  97         if (*p)
  98             *p++ = '\0';
  99         conf_set_str(conf, CONF_host, q);
 100         got_host = 1;
 101     }
 102     if (got_host)
 103         *allow_launch = TRUE;
 104     return 1;
 105 }
 106
 107 char *make_default_wintitle(char *hostname)
 108 {
 109     return dupcat(hostname, " - ", appname, NULL);
 110 }
 111
 112 /*
 113  * X11-forwarding-related things suitable for Gtk app.
 114  */
 115
 116 char *platform_get_x_display(void) {
 117     const char *display;
 118     /* Try to take account of --display and what have you. */
 119     if (!(display = gdk_get_display()))
 120         /* fall back to traditional method */
 121         display = getenv("DISPLAY");
 122     return dupstr(display);
 123 }
 124
 125 int main(int argc, char **argv)
 126 {
 127     extern int pt_main(int argc, char **argv);
 128     int ret;
 129
 130     sk_init();
 131     flags = FLAG_VERBOSE | FLAG_INTERACTIVE;
 132     default_protocol = be_default_protocol;
 133     /* Find the appropriate default port. */
 134     {
 135         Backend *b = backend_from_proto(default_protocol);
 136         default_port = 0; /* illegal */
 137         if (b)
 138             default_port = b->default_port;
 139     }
 140     ret = pt_main(argc, argv);
 141     cleanup_exit(ret);
 142     return ret;             /* not reached, but placates optimisers */
 143 }