settings.c

   1 /*
   2  * settings.c: read and write saved sessions.
   3  */
   4
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include "putty.h"
   8 #include "storage.h"
   9
  10 /*
  11  * Tables of string <-> enum value mappings
  12  */
  13 struct keyval { char *s; int v; };
  14
  15 static const struct keyval ciphernames[] = {
  16     { "aes",        CIPHER_AES },
  17     { "blowfish",   CIPHER_BLOWFISH },
  18     { "3des",       CIPHER_3DES },
  19     { "WARN",       CIPHER_WARN },
  20     { "des",        CIPHER_DES }
  21 };
  22
  23 static void gpps(void *handle, char *name, char *def, char *val, int len)
  24 {
  25     if (!read_setting_s(handle, name, val, len)) {
  26         strncpy(val, def, len);
  27         val[len - 1] = '\0';
  28     }
  29 }
  30
  31 static void gppi(void *handle, char *name, int def, int *i)
  32 {
  33     *i = read_setting_i(handle, name, def);
  34 }
  35
  36 static int key2val(const struct keyval *mapping, int nmaps, char *key)
  37 {
  38     int i;
  39     for (i = 0; i < nmaps; i++)
  40         if (!strcmp(mapping[i].s, key)) return mapping[i].v;
  41     return -1;
  42 }
  43
  44 static const char *val2key(const struct keyval *mapping, int nmaps, int val)
  45 {
  46     int i;
  47     for (i = 0; i < nmaps; i++)
  48         if (mapping[i].v == val) return mapping[i].s;
  49     return NULL;
  50 }
  51
  52 /*
  53  * Helper function to parse a comma-separated list of strings into
  54  * a preference list array of values. Any missing values are added
  55  * to the end and duplicates are weeded.
  56  * XXX: assumes vals in 'mapping' are small +ve integers
  57  */
  58 static void gprefs(void *sesskey, char *name, char *def,
  59                    const struct keyval *mapping, int nvals,
  60                    int *array)
  61 {
  62     char commalist[80];
  63     int n;
  64     unsigned long seen = 0;            /* bitmap for weeding dups etc */
  65     gpps(sesskey, name, def, commalist, sizeof(commalist));
  66
  67     /* Grotty parsing of commalist. */
  68     n = 0;
  69     do {
  70         int v;
  71         char *key;
  72         key = strtok(n==0 ? commalist : NULL, ","); /* sorry */
  73         if (!key) break;
  74         if (((v = key2val(mapping, nvals, key)) != -1) &&
  75             !(seen & 1<<v)) {
  76             array[n] = v;
  77             n++;
  78             seen |= 1<<v;
  79         }
  80     } while (n < nvals);
  81     /* Add any missing values (backward compatibility ect). */
  82     {
  83         int i;
  84         for (i = 0; i < nvals; i++) {
  85             if (!(seen & 1<<mapping[i].v)) {
  86                 array[n] = mapping[i].v;
  87                 n++;
  88             }
  89         }
  90     }
  91 }
  92
  93 /*
  94  * Write out a preference list.
  95  */
  96 static void wprefs(void *sesskey, char *name,
  97                    const struct keyval *mapping, int nvals,
  98                    int *array)
  99 {
 100     char buf[80] = "";  /* XXX assumed big enough */
 101     int l = sizeof(buf)-1, i;
 102     buf[l] = '\0';
 103     for (i = 0; l > 0 && i < nvals; i++) {
 104         const char *s = val2key(mapping, nvals, array[i]);
 105         if (s) {
 106             int sl = strlen(s);
 107             if (i > 0) {
 108                 strncat(buf, ",", l);
 109                 l--;
 110             }
 111             strncat(buf, s, l);
 112             l -= sl;
 113         }
 114     }
 115     write_setting_s(sesskey, name, buf);
 116 }
 117
 118 void save_settings(char *section, int do_host, Config * cfg)
 119 {
 120     int i;
 121     char *p;
 122     void *sesskey;
 123
 124     sesskey = open_settings_w(section);
 125     if (!sesskey)
 126         return;
 127
 128     write_setting_i(sesskey, "Present", 1);
 129     if (do_host) {
 130         write_setting_s(sesskey, "HostName", cfg->host);
 131         write_setting_s(sesskey, "LogFileName", cfg->logfilename);
 132         write_setting_i(sesskey, "LogType", cfg->logtype);
 133         write_setting_i(sesskey, "LogFileClash", cfg->logxfovr);
 134     }
 135     p = "raw";
 136     for (i = 0; backends[i].name != NULL; i++)
 137         if (backends[i].protocol == cfg->protocol) {
 138             p = backends[i].name;
 139             break;
 140         }
 141     write_setting_s(sesskey, "Protocol", p);
 142     write_setting_i(sesskey, "PortNumber", cfg->port);
 143     write_setting_i(sesskey, "CloseOnExit", cfg->close_on_exit);
 144     write_setting_i(sesskey, "WarnOnClose", !!cfg->warn_on_close);
 145     write_setting_i(sesskey, "PingInterval", cfg->ping_interval / 60);  /* minutes */
 146     write_setting_i(sesskey, "PingIntervalSecs", cfg->ping_interval % 60);      /* seconds */
 147     write_setting_i(sesskey, "TCPNoDelay", cfg->tcp_nodelay);
 148     write_setting_s(sesskey, "TerminalType", cfg->termtype);
 149     write_setting_s(sesskey, "TerminalSpeed", cfg->termspeed);
 150
 151     /* proxy settings */
 152     write_setting_s(sesskey, "ProxyExcludeList", cfg->proxy_exclude_list);
 153     write_setting_i(sesskey, "ProxyDNS", cfg->proxy_dns);
 154     write_setting_i(sesskey, "ProxyLocalhost", cfg->even_proxy_localhost);
 155     write_setting_i(sesskey, "ProxyType", cfg->proxy_type);
 156     write_setting_s(sesskey, "ProxyHost", cfg->proxy_host);
 157     write_setting_i(sesskey, "ProxyPort", cfg->proxy_port);
 158     write_setting_s(sesskey, "ProxyUsername", cfg->proxy_username);
 159     write_setting_s(sesskey, "ProxyPassword", cfg->proxy_password);
 160     write_setting_s(sesskey, "ProxyTelnetCommand", cfg->proxy_telnet_command);
 161     write_setting_i(sesskey, "ProxySOCKSVersion", cfg->proxy_socks_version);
 162
 163     {
 164         char buf[2 * sizeof(cfg->environmt)], *p, *q;
 165         p = buf;
 166         q = cfg->environmt;
 167         while (*q) {
 168             while (*q) {
 169                 int c = *q++;
 170                 if (c == '=' || c == ',' || c == '\\')
 171                     *p++ = '\\';
 172                 if (c == '\t')
 173                     c = '=';
 174                 *p++ = c;
 175             }
 176             *p++ = ',';
 177             q++;
 178         }
 179         *p = '\0';
 180         write_setting_s(sesskey, "Environment", buf);
 181     }
 182     write_setting_s(sesskey, "UserName", cfg->username);
 183     write_setting_s(sesskey, "LocalUserName", cfg->localusername);
 184     write_setting_i(sesskey, "NoPTY", cfg->nopty);
 185     write_setting_i(sesskey, "Compression", cfg->compression);
 186     write_setting_i(sesskey, "AgentFwd", cfg->agentfwd);
 187     write_setting_i(sesskey, "ChangeUsername", cfg->change_username);
 188     wprefs(sesskey, "Cipher", ciphernames, CIPHER_MAX,
 189            cfg->ssh_cipherlist);
 190     write_setting_i(sesskey, "AuthTIS", cfg->try_tis_auth);
 191     write_setting_i(sesskey, "AuthKI", cfg->try_ki_auth);
 192     write_setting_i(sesskey, "SshProt", cfg->sshprot);
 193     write_setting_i(sesskey, "SSH2DES", cfg->ssh2_des_cbc);
 194     write_setting_s(sesskey, "PublicKeyFile", cfg->keyfile);
 195     write_setting_s(sesskey, "RemoteCommand", cfg->remote_cmd);
 196     write_setting_i(sesskey, "RFCEnviron", cfg->rfc_environ);
 197     write_setting_i(sesskey, "PassiveTelnet", cfg->passive_telnet);
 198     write_setting_i(sesskey, "BackspaceIsDelete", cfg->bksp_is_delete);
 199     write_setting_i(sesskey, "RXVTHomeEnd", cfg->rxvt_homeend);
 200     write_setting_i(sesskey, "LinuxFunctionKeys", cfg->funky_type);
 201     write_setting_i(sesskey, "NoApplicationKeys", cfg->no_applic_k);
 202     write_setting_i(sesskey, "NoApplicationCursors", cfg->no_applic_c);
 203     write_setting_i(sesskey, "NoMouseReporting", cfg->no_mouse_rep);
 204     write_setting_i(sesskey, "NoRemoteResize", cfg->no_remote_resize);
 205     write_setting_i(sesskey, "NoAltScreen", cfg->no_alt_screen);
 206     write_setting_i(sesskey, "NoRemoteWinTitle", cfg->no_remote_wintitle);
 207     write_setting_i(sesskey, "NoDBackspace", cfg->no_dbackspace);
 208     write_setting_i(sesskey, "NoRemoteCharset", cfg->no_remote_charset);
 209     write_setting_i(sesskey, "ApplicationCursorKeys", cfg->app_cursor);
 210     write_setting_i(sesskey, "ApplicationKeypad", cfg->app_keypad);
 211     write_setting_i(sesskey, "NetHackKeypad", cfg->nethack_keypad);
 212     write_setting_i(sesskey, "AltF4", cfg->alt_f4);
 213     write_setting_i(sesskey, "AltSpace", cfg->alt_space);
 214     write_setting_i(sesskey, "AltOnly", cfg->alt_only);
 215     write_setting_i(sesskey, "ComposeKey", cfg->compose_key);
 216     write_setting_i(sesskey, "CtrlAltKeys", cfg->ctrlaltkeys);
 217     write_setting_i(sesskey, "TelnetKey", cfg->telnet_keyboard);
 218     write_setting_i(sesskey, "TelnetRet", cfg->telnet_newline);
 219     write_setting_i(sesskey, "LocalEcho", cfg->localecho);
 220     write_setting_i(sesskey, "LocalEdit", cfg->localedit);
 221     write_setting_s(sesskey, "Answerback", cfg->answerback);
 222     write_setting_i(sesskey, "AlwaysOnTop", cfg->alwaysontop);
 223     write_setting_i(sesskey, "FullScreenOnAltEnter", cfg->fullscreenonaltenter);
 224     write_setting_i(sesskey, "HideMousePtr", cfg->hide_mouseptr);
 225     write_setting_i(sesskey, "SunkenEdge", cfg->sunken_edge);
 226     write_setting_i(sesskey, "WindowBorder", cfg->window_border);
 227     write_setting_i(sesskey, "CurType", cfg->cursor_type);
 228     write_setting_i(sesskey, "BlinkCur", cfg->blink_cur);
 229     write_setting_i(sesskey, "Beep", cfg->beep);
 230     write_setting_i(sesskey, "BeepInd", cfg->beep_ind);
 231     write_setting_s(sesskey, "BellWaveFile", cfg->bell_wavefile);
 232     write_setting_i(sesskey, "BellOverload", cfg->bellovl);
 233     write_setting_i(sesskey, "BellOverloadN", cfg->bellovl_n);
 234     write_setting_i(sesskey, "BellOverloadT", cfg->bellovl_t);
 235     write_setting_i(sesskey, "BellOverloadS", cfg->bellovl_s);
 236     write_setting_i(sesskey, "ScrollbackLines", cfg->savelines);
 237     write_setting_i(sesskey, "DECOriginMode", cfg->dec_om);
 238     write_setting_i(sesskey, "AutoWrapMode", cfg->wrap_mode);
 239     write_setting_i(sesskey, "LFImpliesCR", cfg->lfhascr);
 240     write_setting_i(sesskey, "WinNameAlways", cfg->win_name_always);
 241     write_setting_s(sesskey, "WinTitle", cfg->wintitle);
 242     write_setting_i(sesskey, "TermWidth", cfg->width);
 243     write_setting_i(sesskey, "TermHeight", cfg->height);
 244     write_setting_s(sesskey, "Font", cfg->font);
 245     write_setting_i(sesskey, "FontIsBold", cfg->fontisbold);
 246     write_setting_i(sesskey, "FontCharSet", cfg->fontcharset);
 247     write_setting_i(sesskey, "FontHeight", cfg->fontheight);
 248     write_setting_i(sesskey, "FontVTMode", cfg->vtmode);
 249     write_setting_i(sesskey, "TryPalette", cfg->try_palette);
 250     write_setting_i(sesskey, "BoldAsColour", cfg->bold_colour);
 251     for (i = 0; i < 22; i++) {
 252         char buf[20], buf2[30];
 253         sprintf(buf, "Colour%d", i);
 254         sprintf(buf2, "%d,%d,%d", cfg->colours[i][0],
 255                 cfg->colours[i][1], cfg->colours[i][2]);
 256         write_setting_s(sesskey, buf, buf2);
 257     }
 258     write_setting_i(sesskey, "RawCNP", cfg->rawcnp);
 259     write_setting_i(sesskey, "PasteRTF", cfg->rtf_paste);
 260     write_setting_i(sesskey, "MouseIsXterm", cfg->mouse_is_xterm);
 261     write_setting_i(sesskey, "RectSelect", cfg->rect_select);
 262     write_setting_i(sesskey, "MouseOverride", cfg->mouse_override);
 263     for (i = 0; i < 256; i += 32) {
 264         char buf[20], buf2[256];
 265         int j;
 266         sprintf(buf, "Wordness%d", i);
 267         *buf2 = '\0';
 268         for (j = i; j < i + 32; j++) {
 269             sprintf(buf2 + strlen(buf2), "%s%d",
 270                     (*buf2 ? "," : ""), cfg->wordness[j]);
 271         }
 272         write_setting_s(sesskey, buf, buf2);
 273     }
 274     write_setting_s(sesskey, "LineCodePage", cfg->line_codepage);
 275     write_setting_s(sesskey, "Printer", cfg->printer);
 276     write_setting_i(sesskey, "CapsLockCyr", cfg->xlat_capslockcyr);
 277     write_setting_i(sesskey, "ScrollBar", cfg->scrollbar);
 278     write_setting_i(sesskey, "ScrollBarFullScreen", cfg->scrollbar_in_fullscreen);
 279     write_setting_i(sesskey, "ScrollOnKey", cfg->scroll_on_key);
 280     write_setting_i(sesskey, "ScrollOnDisp", cfg->scroll_on_disp);
 281     write_setting_i(sesskey, "LockSize", cfg->resize_action);
 282     write_setting_i(sesskey, "BCE", cfg->bce);
 283     write_setting_i(sesskey, "BlinkText", cfg->blinktext);
 284     write_setting_i(sesskey, "X11Forward", cfg->x11_forward);
 285     write_setting_s(sesskey, "X11Display", cfg->x11_display);
 286     write_setting_i(sesskey, "LocalPortAcceptAll", cfg->lport_acceptall);
 287     write_setting_i(sesskey, "RemotePortAcceptAll", cfg->rport_acceptall);
 288     {
 289         char buf[2 * sizeof(cfg->portfwd)], *p, *q;
 290         p = buf;
 291         q = cfg->portfwd;
 292         while (*q) {
 293             while (*q) {
 294                 int c = *q++;
 295                 if (c == '=' || c == ',' || c == '\\')
 296                     *p++ = '\\';
 297                 if (c == '\t')
 298                     c = '=';
 299                 *p++ = c;
 300             }
 301             *p++ = ',';
 302             q++;
 303         }
 304         *p = '\0';
 305         write_setting_s(sesskey, "PortForwardings", buf);
 306     }
 307     write_setting_i(sesskey, "BugIgnore1", cfg->sshbug_ignore1);
 308     write_setting_i(sesskey, "BugPlainPW1", cfg->sshbug_plainpw1);
 309     write_setting_i(sesskey, "BugRSA1", cfg->sshbug_rsa1);
 310     write_setting_i(sesskey, "BugHMAC2", cfg->sshbug_hmac2);
 311     write_setting_i(sesskey, "BugDeriveKey2", cfg->sshbug_derivekey2);
 312     write_setting_i(sesskey, "BugRSAPad2", cfg->sshbug_rsapad2);
 313     write_setting_i(sesskey, "BugDHGEx2", cfg->sshbug_dhgex2);
 314     write_setting_i(sesskey, "StampUtmp", cfg->stamp_utmp);
 315     write_setting_i(sesskey, "LoginShell", cfg->login_shell);
 316     write_setting_i(sesskey, "ScrollbarOnLeft", cfg->scrollbar_on_left);
 317     write_setting_s(sesskey, "BoldFont", cfg->boldfont);
 318     write_setting_i(sesskey, "ShadowBoldOffset", cfg->shadowboldoffset);
 319     close_settings_w(sesskey);
 320 }
 321
 322 void load_settings(char *section, int do_host, Config * cfg)
 323 {
 324     void *sesskey;
 325
 326     sesskey = open_settings_r(section);
 327     load_open_settings(sesskey, do_host, cfg);
 328     close_settings_r(sesskey);
 329 }
 330
 331 void load_open_settings(void *sesskey, int do_host, Config *cfg)
 332 {
 333     int i;
 334     char prot[10];
 335
 336     cfg->ssh_subsys = 0;               /* FIXME: load this properly */
 337     cfg->remote_cmd_ptr = cfg->remote_cmd;
 338     cfg->remote_cmd_ptr2 = NULL;
 339
 340     if (do_host) {
 341         gpps(sesskey, "HostName", "", cfg->host, sizeof(cfg->host));
 342     } else {
 343         cfg->host[0] = '\0';           /* blank hostname */
 344     }
 345     gpps(sesskey, "LogFileName", "putty.log",
 346          cfg->logfilename, sizeof(cfg->logfilename));
 347     gppi(sesskey, "LogType", 0, &cfg->logtype);
 348     gppi(sesskey, "LogFileClash", LGXF_ASK, &cfg->logxfovr);
 349
 350     gpps(sesskey, "Protocol", "default", prot, 10);
 351     cfg->protocol = default_protocol;
 352     cfg->port = default_port;
 353     for (i = 0; backends[i].name != NULL; i++)
 354         if (!strcmp(prot, backends[i].name)) {
 355             cfg->protocol = backends[i].protocol;
 356             gppi(sesskey, "PortNumber", default_port, &cfg->port);
 357             break;
 358         }
 359
 360     /*
 361      * CloseOnExit defaults to closing only on a clean exit - but
 362      * unfortunately not on Unix (pterm). On Unix, the exit code of
 363      * a shell is the last exit code of one of its child processes,
 364      * even if it's an interactive shell - so some pterms will
 365      * close and some will not for no particularly good reason. The
 366      * mode is still useful for specialist purposes (running a
 367      * single command in its own pterm), but I don't think it's a
 368      * sane default, unfortunately.
 369      */
 370     gppi(sesskey, "CloseOnExit",
 371 #ifdef _WINDOWS
 372          COE_NORMAL,
 373 #else
 374          COE_ALWAYS,
 375 #endif
 376          &cfg->close_on_exit);
 377     gppi(sesskey, "WarnOnClose", 1, &cfg->warn_on_close);
 378     {
 379         /* This is two values for backward compatibility with 0.50/0.51 */
 380         int pingmin, pingsec;
 381         gppi(sesskey, "PingInterval", 0, &pingmin);
 382         gppi(sesskey, "PingIntervalSecs", 0, &pingsec);
 383         cfg->ping_interval = pingmin * 60 + pingsec;
 384     }
 385     gppi(sesskey, "TCPNoDelay", 1, &cfg->tcp_nodelay);
 386     gpps(sesskey, "TerminalType", "xterm", cfg->termtype,
 387          sizeof(cfg->termtype));
 388     gpps(sesskey, "TerminalSpeed", "38400,38400", cfg->termspeed,
 389          sizeof(cfg->termspeed));
 390
 391     /* proxy settings */
 392     gpps(sesskey, "ProxyExcludeList", "", cfg->proxy_exclude_list,
 393          sizeof(cfg->proxy_exclude_list));
 394     gppi(sesskey, "ProxyDNS", PROXYDNS_AUTO, &i); cfg->proxy_dns = i;
 395     gppi(sesskey, "ProxyLocalhost", 0, &cfg->even_proxy_localhost);
 396     gppi(sesskey, "ProxyType", PROXY_NONE, &i); cfg->proxy_type = i;
 397     gpps(sesskey, "ProxyHost", "proxy", cfg->proxy_host,
 398          sizeof(cfg->proxy_host));
 399     gppi(sesskey, "ProxyPort", 80, &cfg->proxy_port);
 400     gpps(sesskey, "ProxyUsername", "", cfg->proxy_username,
 401          sizeof(cfg->proxy_username));
 402     gpps(sesskey, "ProxyPassword", "", cfg->proxy_password,
 403          sizeof(cfg->proxy_password));
 404     gpps(sesskey, "ProxyTelnetCommand", "connect %host %port\\n",
 405          cfg->proxy_telnet_command, sizeof(cfg->proxy_telnet_command));
 406     gppi(sesskey, "ProxySOCKSVersion", 5, &cfg->proxy_socks_version);
 407
 408     {
 409         char buf[2 * sizeof(cfg->environmt)], *p, *q;
 410         gpps(sesskey, "Environment", "", buf, sizeof(buf));
 411         p = buf;
 412         q = cfg->environmt;
 413         while (*p) {
 414             while (*p && *p != ',') {
 415                 int c = *p++;
 416                 if (c == '=')
 417                     c = '\t';
 418                 if (c == '\\')
 419                     c = *p++;
 420                 *q++ = c;
 421             }
 422             if (*p == ',')
 423                 p++;
 424             *q++ = '\0';
 425         }
 426         *q = '\0';
 427     }
 428     gpps(sesskey, "UserName", "", cfg->username, sizeof(cfg->username));
 429     gpps(sesskey, "LocalUserName", "", cfg->localusername,
 430          sizeof(cfg->localusername));
 431     gppi(sesskey, "NoPTY", 0, &cfg->nopty);
 432     gppi(sesskey, "Compression", 0, &cfg->compression);
 433     gppi(sesskey, "AgentFwd", 0, &cfg->agentfwd);
 434     gppi(sesskey, "ChangeUsername", 0, &cfg->change_username);
 435     gprefs(sesskey, "Cipher", "\0",
 436            ciphernames, CIPHER_MAX, cfg->ssh_cipherlist);
 437     gppi(sesskey, "SshProt", 2, &cfg->sshprot);
 438     gppi(sesskey, "SSH2DES", 0, &cfg->ssh2_des_cbc);
 439     gppi(sesskey, "AuthTIS", 0, &cfg->try_tis_auth);
 440     gppi(sesskey, "AuthKI", 1, &cfg->try_ki_auth);
 441     gpps(sesskey, "PublicKeyFile", "", cfg->keyfile, sizeof(cfg->keyfile));
 442     gpps(sesskey, "RemoteCommand", "", cfg->remote_cmd,
 443          sizeof(cfg->remote_cmd));
 444     gppi(sesskey, "RFCEnviron", 0, &cfg->rfc_environ);
 445     gppi(sesskey, "PassiveTelnet", 0, &cfg->passive_telnet);
 446     gppi(sesskey, "BackspaceIsDelete", 1, &cfg->bksp_is_delete);
 447     gppi(sesskey, "RXVTHomeEnd", 0, &cfg->rxvt_homeend);
 448     gppi(sesskey, "LinuxFunctionKeys", 0, &cfg->funky_type);
 449     gppi(sesskey, "NoApplicationKeys", 0, &cfg->no_applic_k);
 450     gppi(sesskey, "NoApplicationCursors", 0, &cfg->no_applic_c);
 451     gppi(sesskey, "NoMouseReporting", 0, &cfg->no_mouse_rep);
 452     gppi(sesskey, "NoRemoteResize", 0, &cfg->no_remote_resize);
 453     gppi(sesskey, "NoAltScreen", 0, &cfg->no_alt_screen);
 454     gppi(sesskey, "NoRemoteWinTitle", 0, &cfg->no_remote_wintitle);
 455     gppi(sesskey, "NoDBackspace", 0, &cfg->no_dbackspace);
 456     gppi(sesskey, "NoRemoteCharset", 0, &cfg->no_remote_charset);
 457     gppi(sesskey, "ApplicationCursorKeys", 0, &cfg->app_cursor);
 458     gppi(sesskey, "ApplicationKeypad", 0, &cfg->app_keypad);
 459     gppi(sesskey, "NetHackKeypad", 0, &cfg->nethack_keypad);
 460     gppi(sesskey, "AltF4", 1, &cfg->alt_f4);
 461     gppi(sesskey, "AltSpace", 0, &cfg->alt_space);
 462     gppi(sesskey, "AltOnly", 0, &cfg->alt_only);
 463     gppi(sesskey, "ComposeKey", 0, &cfg->compose_key);
 464     gppi(sesskey, "CtrlAltKeys", 1, &cfg->ctrlaltkeys);
 465     gppi(sesskey, "TelnetKey", 0, &cfg->telnet_keyboard);
 466     gppi(sesskey, "TelnetRet", 1, &cfg->telnet_newline);
 467     gppi(sesskey, "LocalEcho", LD_BACKEND, &cfg->localecho);
 468     gppi(sesskey, "LocalEdit", LD_BACKEND, &cfg->localedit);
 469     gpps(sesskey, "Answerback", "PuTTY", cfg->answerback,
 470          sizeof(cfg->answerback));
 471     gppi(sesskey, "AlwaysOnTop", 0, &cfg->alwaysontop);
 472     gppi(sesskey, "FullScreenOnAltEnter", 0, &cfg->fullscreenonaltenter);
 473     gppi(sesskey, "HideMousePtr", 0, &cfg->hide_mouseptr);
 474     gppi(sesskey, "SunkenEdge", 0, &cfg->sunken_edge);
 475     gppi(sesskey, "WindowBorder", 1, &cfg->window_border);
 476     gppi(sesskey, "CurType", 0, &cfg->cursor_type);
 477     gppi(sesskey, "BlinkCur", 0, &cfg->blink_cur);
 478     /* pedantic compiler tells me I can't use &cfg->beep as an int * :-) */
 479     gppi(sesskey, "Beep", 1, &i); cfg->beep = i;
 480     gppi(sesskey, "BeepInd", 0, &i); cfg->beep_ind = i;
 481     gpps(sesskey, "BellWaveFile", "", cfg->bell_wavefile,
 482          sizeof(cfg->bell_wavefile));
 483     gppi(sesskey, "BellOverload", 1, &cfg->bellovl);
 484     gppi(sesskey, "BellOverloadN", 5, &cfg->bellovl_n);
 485     gppi(sesskey, "BellOverloadT", 2*TICKSPERSEC, &cfg->bellovl_t);
 486     gppi(sesskey, "BellOverloadS", 5*TICKSPERSEC, &cfg->bellovl_s);
 487     gppi(sesskey, "ScrollbackLines", 200, &cfg->savelines);
 488     gppi(sesskey, "DECOriginMode", 0, &cfg->dec_om);
 489     gppi(sesskey, "AutoWrapMode", 1, &cfg->wrap_mode);
 490     gppi(sesskey, "LFImpliesCR", 0, &cfg->lfhascr);
 491     gppi(sesskey, "WinNameAlways", 0, &cfg->win_name_always);
 492     gpps(sesskey, "WinTitle", "", cfg->wintitle, sizeof(cfg->wintitle));
 493     gppi(sesskey, "TermWidth", 80, &cfg->width);
 494     gppi(sesskey, "TermHeight", 24, &cfg->height);
 495 #ifdef _WINDOWS
 496     gpps(sesskey, "Font", "Courier New", cfg->font, sizeof(cfg->font));
 497 #elif defined(macintosh)
 498     gpps(sesskey, "Font", "Monaco", cfg->font, sizeof(cfg->font));
 499 #else
 500     gpps(sesskey, "Font", "fixed", cfg->font, sizeof(cfg->font));
 501 #endif
 502     gppi(sesskey, "FontIsBold", 0, &cfg->fontisbold);
 503 #ifdef _WINDOWS
 504     gppi(sesskey, "FontCharSet", ANSI_CHARSET, &cfg->fontcharset);
 505 #endif
 506 #ifdef macintosh
 507     gppi(sesskey, "FontHeight", 9, &cfg->fontheight);
 508 #else
 509     gppi(sesskey, "FontHeight", 10, &cfg->fontheight);
 510 #endif
 511 #ifdef _WINDOWS
 512     if (cfg->fontheight < 0) {
 513         int oldh, newh;
 514         HDC hdc = GetDC(NULL);
 515         int logpix = GetDeviceCaps(hdc, LOGPIXELSY);
 516         ReleaseDC(NULL, hdc);
 517
 518         oldh = -cfg->fontheight;
 519         newh = MulDiv(oldh, 72, logpix) + 1;
 520         if (MulDiv(newh, logpix, 72) > oldh)
 521             newh--;
 522         cfg->fontheight = newh;
 523     }
 524 #endif
 525     gppi(sesskey, "FontVTMode", VT_UNICODE, (int *) &cfg->vtmode);
 526     gppi(sesskey, "TryPalette", 0, &cfg->try_palette);
 527     gppi(sesskey, "BoldAsColour", 1, &cfg->bold_colour);
 528     for (i = 0; i < 22; i++) {
 529         static char *defaults[] = {
 530             "187,187,187", "255,255,255", "0,0,0", "85,85,85", "0,0,0",
 531             "0,255,0", "0,0,0", "85,85,85", "187,0,0", "255,85,85",
 532             "0,187,0", "85,255,85", "187,187,0", "255,255,85", "0,0,187",
 533             "85,85,255", "187,0,187", "255,85,255", "0,187,187",
 534             "85,255,255", "187,187,187", "255,255,255"
 535         };
 536         char buf[20], buf2[30];
 537         int c0, c1, c2;
 538         sprintf(buf, "Colour%d", i);
 539         gpps(sesskey, buf, defaults[i], buf2, sizeof(buf2));
 540         if (sscanf(buf2, "%d,%d,%d", &c0, &c1, &c2) == 3) {
 541             cfg->colours[i][0] = c0;
 542             cfg->colours[i][1] = c1;
 543             cfg->colours[i][2] = c2;
 544         }
 545     }
 546 #ifndef _WINDOWS
 547     /* Non-raw cut and paste of line-drawing chars works badly on the
 548      * current Unix stub implementation of the Unicode functions.
 549      * So I'm going to temporarily set the default to raw mode so
 550      * that the failure mode isn't quite so drastically horrid.
 551      * When Unicode comes in, this can all be put right. */
 552     gppi(sesskey, "RawCNP", 1, &cfg->rawcnp);
 553 #else
 554     gppi(sesskey, "RawCNP", 0, &cfg->rawcnp);
 555 #endif
 556     gppi(sesskey, "PasteRTF", 0, &cfg->rtf_paste);
 557     gppi(sesskey, "MouseIsXterm", 0, &cfg->mouse_is_xterm);
 558     gppi(sesskey, "RectSelect", 0, &cfg->rect_select);
 559     gppi(sesskey, "MouseOverride", 1, &cfg->mouse_override);
 560     for (i = 0; i < 256; i += 32) {
 561         static char *defaults[] = {
 562             "0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0",
 563             "0,1,2,1,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,1,1",
 564             "1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,2",
 565             "1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,1",
 566             "1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1",
 567             "1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1",
 568             "2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2",
 569             "2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2"
 570         };
 571         char buf[20], buf2[256], *p;
 572         int j;
 573         sprintf(buf, "Wordness%d", i);
 574         gpps(sesskey, buf, defaults[i / 32], buf2, sizeof(buf2));
 575         p = buf2;
 576         for (j = i; j < i + 32; j++) {
 577             char *q = p;
 578             while (*p && *p != ',')
 579                 p++;
 580             if (*p == ',')
 581                 *p++ = '\0';
 582             cfg->wordness[j] = atoi(q);
 583         }
 584     }
 585     /*
 586      * The empty default for LineCodePage will be converted later
 587      * into a plausible default for the locale.
 588      */
 589     gpps(sesskey, "LineCodePage", "", cfg->line_codepage,
 590          sizeof(cfg->line_codepage));
 591     gpps(sesskey, "Printer", "", cfg->printer, sizeof(cfg->printer));
 592     gppi (sesskey, "CapsLockCyr", 0, &cfg->xlat_capslockcyr);
 593     gppi(sesskey, "ScrollBar", 1, &cfg->scrollbar);
 594     gppi(sesskey, "ScrollBarFullScreen", 0, &cfg->scrollbar_in_fullscreen);
 595     gppi(sesskey, "ScrollOnKey", 0, &cfg->scroll_on_key);
 596     gppi(sesskey, "ScrollOnDisp", 1, &cfg->scroll_on_disp);
 597     gppi(sesskey, "LockSize", 0, &i); cfg->resize_action = i;
 598     gppi(sesskey, "BCE", 1, &cfg->bce);
 599     gppi(sesskey, "BlinkText", 0, &cfg->blinktext);
 600     gppi(sesskey, "X11Forward", 0, &cfg->x11_forward);
 601 #ifdef _WINDOWS
 602     gpps(sesskey, "X11Display", "localhost:0", cfg->x11_display,
 603          sizeof(cfg->x11_display));
 604 #else
 605     {
 606         /* On Unix, the default X display should simply be $DISPLAY. */
 607         char *disp = getenv("DISPLAY");
 608         gpps(sesskey, "X11Display", disp, cfg->x11_display,
 609              sizeof(cfg->x11_display));
 610     }
 611 #endif
 612
 613     gppi(sesskey, "LocalPortAcceptAll", 0, &cfg->lport_acceptall);
 614     gppi(sesskey, "RemotePortAcceptAll", 0, &cfg->rport_acceptall);
 615     {
 616         char buf[2 * sizeof(cfg->portfwd)], *p, *q;
 617         gpps(sesskey, "PortForwardings", "", buf, sizeof(buf));
 618         p = buf;
 619         q = cfg->portfwd;
 620         while (*p) {
 621             while (*p && *p != ',') {
 622                 int c = *p++;
 623                 if (c == '=')
 624                     c = '\t';
 625                 if (c == '\\')
 626                     c = *p++;
 627                 *q++ = c;
 628             }
 629             if (*p == ',')
 630                 p++;
 631             *q++ = '\0';
 632         }
 633         *q = '\0';
 634     }
 635     gppi(sesskey, "BugIgnore1", BUG_AUTO, &i); cfg->sshbug_ignore1 = i;
 636     gppi(sesskey, "BugPlainPW1", BUG_AUTO, &i); cfg->sshbug_plainpw1 = i;
 637     gppi(sesskey, "BugRSA1", BUG_AUTO, &i); cfg->sshbug_rsa1 = i;
 638     {
 639         int i;
 640         gppi(sesskey, "BugHMAC2", BUG_AUTO, &i); cfg->sshbug_hmac2 = i;
 641         if (cfg->sshbug_hmac2 == BUG_AUTO) {
 642             gppi(sesskey, "BuggyMAC", 0, &i);
 643             if (i == 1)
 644                 cfg->sshbug_hmac2 = BUG_ON;
 645         }
 646     }
 647     gppi(sesskey, "BugDeriveKey2", BUG_AUTO, &i); cfg->sshbug_derivekey2 = i;
 648     gppi(sesskey, "BugRSAPad2", BUG_AUTO, &i); cfg->sshbug_rsapad2 = i;
 649     gppi(sesskey, "BugDHGEx2", BUG_AUTO, &i); cfg->sshbug_dhgex2 = i;
 650     gppi(sesskey, "StampUtmp", 1, &cfg->stamp_utmp);
 651     gppi(sesskey, "LoginShell", 1, &cfg->login_shell);
 652     gppi(sesskey, "ScrollbarOnLeft", 0, &cfg->scrollbar_on_left);
 653     gpps(sesskey, "BoldFont", "", cfg->boldfont, sizeof(cfg->boldfont));
 654     gppi(sesskey, "ShadowBoldOffset", 1, &cfg->shadowboldoffset);
 655 }
 656
 657 void do_defaults(char *session, Config * cfg)
 658 {
 659     if (session)
 660         load_settings(session, TRUE, cfg);
 661     else
 662         load_settings("Default Settings", FALSE, cfg);
 663 }
 664
 665 static int sessioncmp(const void *av, const void *bv)
 666 {
 667     const char *a = *(const char *const *) av;
 668     const char *b = *(const char *const *) bv;
 669
 670     /*
 671      * Alphabetical order, except that "Default Settings" is a
 672      * special case and comes first.
 673      */
 674     if (!strcmp(a, "Default Settings"))
 675         return -1;                     /* a comes first */
 676     if (!strcmp(b, "Default Settings"))
 677         return +1;                     /* b comes first */
 678     /*
 679      * FIXME: perhaps we should ignore the first & in determining
 680      * sort order.
 681      */
 682     return strcmp(a, b);               /* otherwise, compare normally */
 683 }
 684
 685 void get_sesslist(struct sesslist *list, int allocate)
 686 {
 687     char otherbuf[2048];
 688     int buflen, bufsize, i;
 689     char *p, *ret;
 690     void *handle;
 691
 692     if (allocate) {
 693
 694         buflen = bufsize = 0;
 695         list->buffer = NULL;
 696         if ((handle = enum_settings_start()) != NULL) {
 697             do {
 698                 ret = enum_settings_next(handle, otherbuf, sizeof(otherbuf));
 699                 if (ret) {
 700                     int len = strlen(otherbuf) + 1;
 701                     if (bufsize < buflen + len) {
 702                         bufsize = buflen + len + 2048;
 703                         list->buffer = srealloc(list->buffer, bufsize);
 704                     }
 705                     strcpy(list->buffer + buflen, otherbuf);
 706                     buflen += strlen(list->buffer + buflen) + 1;
 707                 }
 708             } while (ret);
 709             enum_settings_finish(handle);
 710         }
 711         list->buffer = srealloc(list->buffer, buflen + 1);
 712         list->buffer[buflen] = '\0';
 713
 714         /*
 715          * Now set up the list of sessions. Note that "Default
 716          * Settings" must always be claimed to exist, even if it
 717          * doesn't really.
 718          */
 719
 720         p = list->buffer;
 721         list->nsessions = 1;           /* "Default Settings" counts as one */
 722         while (*p) {
 723             if (strcmp(p, "Default Settings"))
 724                 list->nsessions++;
 725             while (*p)
 726                 p++;
 727             p++;
 728         }
 729
 730         list->sessions = smalloc((list->nsessions + 1) * sizeof(char *));
 731         list->sessions[0] = "Default Settings";
 732         p = list->buffer;
 733         i = 1;
 734         while (*p) {
 735             if (strcmp(p, "Default Settings"))
 736                 list->sessions[i++] = p;
 737             while (*p)
 738                 p++;
 739             p++;
 740         }
 741
 742         qsort(list->sessions, i, sizeof(char *), sessioncmp);
 743     } else {
 744         sfree(list->buffer);
 745         sfree(list->sessions);
 746     }
 747 }