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, "ProxyType", cfg->proxy_type);
 154     write_setting_s(sesskey, "ProxyHost", cfg->proxy_host);
 155     write_setting_i(sesskey, "ProxyPort", cfg->proxy_port);
 156     write_setting_s(sesskey, "ProxyUsername", cfg->proxy_username);
 157     write_setting_s(sesskey, "ProxyPassword", cfg->proxy_password);
 158     write_setting_s(sesskey, "ProxyTelnetCommand", cfg->proxy_telnet_command);
 159     write_setting_i(sesskey, "ProxySOCKSVersion", cfg->proxy_socks_version);
 160
 161     {
 162         char buf[2 * sizeof(cfg->environmt)], *p, *q;
 163         p = buf;
 164         q = cfg->environmt;
 165         while (*q) {
 166             while (*q) {
 167                 int c = *q++;
 168                 if (c == '=' || c == ',' || c == '\\')
 169                     *p++ = '\\';
 170                 if (c == '\t')
 171                     c = '=';
 172                 *p++ = c;
 173             }
 174             *p++ = ',';
 175             q++;
 176         }
 177         *p = '\0';
 178         write_setting_s(sesskey, "Environment", buf);
 179     }
 180     write_setting_s(sesskey, "UserName", cfg->username);
 181     write_setting_s(sesskey, "LocalUserName", cfg->localusername);
 182     write_setting_i(sesskey, "NoPTY", cfg->nopty);
 183     write_setting_i(sesskey, "Compression", cfg->compression);
 184     write_setting_i(sesskey, "AgentFwd", cfg->agentfwd);
 185     write_setting_i(sesskey, "ChangeUsername", cfg->change_username);
 186     wprefs(sesskey, "Cipher", ciphernames, CIPHER_MAX,
 187            cfg->ssh_cipherlist);
 188     write_setting_i(sesskey, "AuthTIS", cfg->try_tis_auth);
 189     write_setting_i(sesskey, "AuthKI", cfg->try_ki_auth);
 190     write_setting_i(sesskey, "SshProt", cfg->sshprot);
 191     write_setting_i(sesskey, "SSH2DES", cfg->ssh2_des_cbc);
 192     write_setting_s(sesskey, "PublicKeyFile", cfg->keyfile);
 193     write_setting_s(sesskey, "RemoteCommand", cfg->remote_cmd);
 194     write_setting_i(sesskey, "RFCEnviron", cfg->rfc_environ);
 195     write_setting_i(sesskey, "PassiveTelnet", cfg->passive_telnet);
 196     write_setting_i(sesskey, "BackspaceIsDelete", cfg->bksp_is_delete);
 197     write_setting_i(sesskey, "RXVTHomeEnd", cfg->rxvt_homeend);
 198     write_setting_i(sesskey, "LinuxFunctionKeys", cfg->funky_type);
 199     write_setting_i(sesskey, "NoApplicationKeys", cfg->no_applic_k);
 200     write_setting_i(sesskey, "NoApplicationCursors", cfg->no_applic_c);
 201     write_setting_i(sesskey, "NoMouseReporting", cfg->no_mouse_rep);
 202     write_setting_i(sesskey, "NoRemoteResize", cfg->no_remote_resize);
 203     write_setting_i(sesskey, "NoAltScreen", cfg->no_alt_screen);
 204     write_setting_i(sesskey, "NoRemoteWinTitle", cfg->no_remote_wintitle);
 205     write_setting_i(sesskey, "NoDBackspace", cfg->no_dbackspace);
 206     write_setting_i(sesskey, "NoRemoteCharset", cfg->no_remote_charset);
 207     write_setting_i(sesskey, "ApplicationCursorKeys", cfg->app_cursor);
 208     write_setting_i(sesskey, "ApplicationKeypad", cfg->app_keypad);
 209     write_setting_i(sesskey, "NetHackKeypad", cfg->nethack_keypad);
 210     write_setting_i(sesskey, "AltF4", cfg->alt_f4);
 211     write_setting_i(sesskey, "AltSpace", cfg->alt_space);
 212     write_setting_i(sesskey, "AltOnly", cfg->alt_only);
 213     write_setting_i(sesskey, "ComposeKey", cfg->compose_key);
 214     write_setting_i(sesskey, "CtrlAltKeys", cfg->ctrlaltkeys);
 215     write_setting_i(sesskey, "TelnetKey", cfg->telnet_keyboard);
 216     write_setting_i(sesskey, "TelnetRet", cfg->telnet_newline);
 217     write_setting_i(sesskey, "LocalEcho", cfg->localecho);
 218     write_setting_i(sesskey, "LocalEdit", cfg->localedit);
 219     write_setting_s(sesskey, "Answerback", cfg->answerback);
 220     write_setting_i(sesskey, "AlwaysOnTop", cfg->alwaysontop);
 221     write_setting_i(sesskey, "FullScreenOnAltEnter", cfg->fullscreenonaltenter);
 222     write_setting_i(sesskey, "HideMousePtr", cfg->hide_mouseptr);
 223     write_setting_i(sesskey, "SunkenEdge", cfg->sunken_edge);
 224     write_setting_i(sesskey, "WindowBorder", cfg->window_border);
 225     write_setting_i(sesskey, "CurType", cfg->cursor_type);
 226     write_setting_i(sesskey, "BlinkCur", cfg->blink_cur);
 227     write_setting_i(sesskey, "Beep", cfg->beep);
 228     write_setting_i(sesskey, "BeepInd", cfg->beep_ind);
 229     write_setting_s(sesskey, "BellWaveFile", cfg->bell_wavefile);
 230     write_setting_i(sesskey, "BellOverload", cfg->bellovl);
 231     write_setting_i(sesskey, "BellOverloadN", cfg->bellovl_n);
 232     write_setting_i(sesskey, "BellOverloadT", cfg->bellovl_t);
 233     write_setting_i(sesskey, "BellOverloadS", cfg->bellovl_s);
 234     write_setting_i(sesskey, "ScrollbackLines", cfg->savelines);
 235     write_setting_i(sesskey, "DECOriginMode", cfg->dec_om);
 236     write_setting_i(sesskey, "AutoWrapMode", cfg->wrap_mode);
 237     write_setting_i(sesskey, "LFImpliesCR", cfg->lfhascr);
 238     write_setting_i(sesskey, "WinNameAlways", cfg->win_name_always);
 239     write_setting_s(sesskey, "WinTitle", cfg->wintitle);
 240     write_setting_i(sesskey, "TermWidth", cfg->width);
 241     write_setting_i(sesskey, "TermHeight", cfg->height);
 242     write_setting_s(sesskey, "Font", cfg->font);
 243     write_setting_i(sesskey, "FontIsBold", cfg->fontisbold);
 244     write_setting_i(sesskey, "FontCharSet", cfg->fontcharset);
 245     write_setting_i(sesskey, "FontHeight", cfg->fontheight);
 246     write_setting_i(sesskey, "FontVTMode", cfg->vtmode);
 247     write_setting_i(sesskey, "TryPalette", cfg->try_palette);
 248     write_setting_i(sesskey, "BoldAsColour", cfg->bold_colour);
 249     for (i = 0; i < 22; i++) {
 250         char buf[20], buf2[30];
 251         sprintf(buf, "Colour%d", i);
 252         sprintf(buf2, "%d,%d,%d", cfg->colours[i][0],
 253                 cfg->colours[i][1], cfg->colours[i][2]);
 254         write_setting_s(sesskey, buf, buf2);
 255     }
 256     write_setting_i(sesskey, "RawCNP", cfg->rawcnp);
 257     write_setting_i(sesskey, "PasteRTF", cfg->rtf_paste);
 258     write_setting_i(sesskey, "MouseIsXterm", cfg->mouse_is_xterm);
 259     write_setting_i(sesskey, "RectSelect", cfg->rect_select);
 260     write_setting_i(sesskey, "MouseOverride", cfg->mouse_override);
 261     for (i = 0; i < 256; i += 32) {
 262         char buf[20], buf2[256];
 263         int j;
 264         sprintf(buf, "Wordness%d", i);
 265         *buf2 = '\0';
 266         for (j = i; j < i + 32; j++) {
 267             sprintf(buf2 + strlen(buf2), "%s%d",
 268                     (*buf2 ? "," : ""), cfg->wordness[j]);
 269         }
 270         write_setting_s(sesskey, buf, buf2);
 271     }
 272     write_setting_s(sesskey, "LineCodePage", cfg->line_codepage);
 273     write_setting_s(sesskey, "Printer", cfg->printer);
 274     write_setting_i(sesskey, "CapsLockCyr", cfg->xlat_capslockcyr);
 275     write_setting_i(sesskey, "ScrollBar", cfg->scrollbar);
 276     write_setting_i(sesskey, "ScrollBarFullScreen", cfg->scrollbar_in_fullscreen);
 277     write_setting_i(sesskey, "ScrollOnKey", cfg->scroll_on_key);
 278     write_setting_i(sesskey, "ScrollOnDisp", cfg->scroll_on_disp);
 279     write_setting_i(sesskey, "LockSize", cfg->resize_action);
 280     write_setting_i(sesskey, "BCE", cfg->bce);
 281     write_setting_i(sesskey, "BlinkText", cfg->blinktext);
 282     write_setting_i(sesskey, "X11Forward", cfg->x11_forward);
 283     write_setting_s(sesskey, "X11Display", cfg->x11_display);
 284     write_setting_i(sesskey, "LocalPortAcceptAll", cfg->lport_acceptall);
 285     write_setting_i(sesskey, "RemotePortAcceptAll", cfg->rport_acceptall);
 286     {
 287         char buf[2 * sizeof(cfg->portfwd)], *p, *q;
 288         p = buf;
 289         q = cfg->portfwd;
 290         while (*q) {
 291             while (*q) {
 292                 int c = *q++;
 293                 if (c == '=' || c == ',' || c == '\\')
 294                     *p++ = '\\';
 295                 if (c == '\t')
 296                     c = '=';
 297                 *p++ = c;
 298             }
 299             *p++ = ',';
 300             q++;
 301         }
 302         *p = '\0';
 303         write_setting_s(sesskey, "PortForwardings", buf);
 304     }
 305     write_setting_i(sesskey, "BugIgnore1", cfg->sshbug_ignore1);
 306     write_setting_i(sesskey, "BugPlainPW1", cfg->sshbug_plainpw1);
 307     write_setting_i(sesskey, "BugRSA1", cfg->sshbug_rsa1);
 308     write_setting_i(sesskey, "BugHMAC2", cfg->sshbug_hmac2);
 309     write_setting_i(sesskey, "BugDeriveKey2", cfg->sshbug_derivekey2);
 310     write_setting_i(sesskey, "BugRSAPad2", cfg->sshbug_rsapad2);
 311     write_setting_i(sesskey, "BugDHGEx2", cfg->sshbug_dhgex2);
 312     write_setting_i(sesskey, "StampUtmp", cfg->stamp_utmp);
 313     write_setting_i(sesskey, "LoginShell", cfg->login_shell);
 314     write_setting_i(sesskey, "ScrollbarOnLeft", cfg->scrollbar_on_left);
 315     write_setting_s(sesskey, "BoldFont", cfg->boldfont);
 316     write_setting_i(sesskey, "ShadowBoldOffset", cfg->shadowboldoffset);
 317     close_settings_w(sesskey);
 318 }
 319
 320 void load_settings(char *section, int do_host, Config * cfg)
 321 {
 322     int i;
 323     char prot[10];
 324     void *sesskey;
 325
 326     sesskey = open_settings_r(section);
 327
 328     cfg->ssh_subsys = 0;               /* FIXME: load this properly */
 329     cfg->remote_cmd_ptr = cfg->remote_cmd;
 330     cfg->remote_cmd_ptr2 = NULL;
 331
 332     if (do_host) {
 333         gpps(sesskey, "HostName", "", cfg->host, sizeof(cfg->host));
 334     } else {
 335         cfg->host[0] = '\0';           /* blank hostname */
 336     }
 337     gpps(sesskey, "LogFileName", "putty.log",
 338          cfg->logfilename, sizeof(cfg->logfilename));
 339     gppi(sesskey, "LogType", 0, &cfg->logtype);
 340     gppi(sesskey, "LogFileClash", LGXF_ASK, &cfg->logxfovr);
 341
 342     gpps(sesskey, "Protocol", "default", prot, 10);
 343     cfg->protocol = default_protocol;
 344     cfg->port = default_port;
 345     for (i = 0; backends[i].name != NULL; i++)
 346         if (!strcmp(prot, backends[i].name)) {
 347             cfg->protocol = backends[i].protocol;
 348             gppi(sesskey, "PortNumber", default_port, &cfg->port);
 349             break;
 350         }
 351
 352     gppi(sesskey, "CloseOnExit", COE_NORMAL, &cfg->close_on_exit);
 353     gppi(sesskey, "WarnOnClose", 1, &cfg->warn_on_close);
 354     {
 355         /* This is two values for backward compatibility with 0.50/0.51 */
 356         int pingmin, pingsec;
 357         gppi(sesskey, "PingInterval", 0, &pingmin);
 358         gppi(sesskey, "PingIntervalSecs", 0, &pingsec);
 359         cfg->ping_interval = pingmin * 60 + pingsec;
 360     }
 361     gppi(sesskey, "TCPNoDelay", 1, &cfg->tcp_nodelay);
 362     gpps(sesskey, "TerminalType", "xterm", cfg->termtype,
 363          sizeof(cfg->termtype));
 364     gpps(sesskey, "TerminalSpeed", "38400,38400", cfg->termspeed,
 365          sizeof(cfg->termspeed));
 366
 367     /* proxy settings */
 368     gpps(sesskey, "ProxyExcludeList", "", cfg->proxy_exclude_list,
 369          sizeof(cfg->proxy_exclude_list));
 370     gppi(sesskey, "ProxyType", PROXY_NONE, &i); cfg->proxy_type = i;
 371     gpps(sesskey, "ProxyHost", "proxy", cfg->proxy_host,
 372          sizeof(cfg->proxy_host));
 373     gppi(sesskey, "ProxyPort", 80, &cfg->proxy_port);
 374     gpps(sesskey, "ProxyUsername", "", cfg->proxy_username,
 375          sizeof(cfg->proxy_username));
 376     gpps(sesskey, "ProxyPassword", "", cfg->proxy_password,
 377          sizeof(cfg->proxy_password));
 378     gpps(sesskey, "ProxyTelnetCommand", "connect %host %port\\n",
 379          cfg->proxy_telnet_command, sizeof(cfg->proxy_telnet_command));
 380     gppi(sesskey, "ProxySOCKSVersion", 5, &cfg->proxy_socks_version);
 381
 382     {
 383         char buf[2 * sizeof(cfg->environmt)], *p, *q;
 384         gpps(sesskey, "Environment", "", buf, sizeof(buf));
 385         p = buf;
 386         q = cfg->environmt;
 387         while (*p) {
 388             while (*p && *p != ',') {
 389                 int c = *p++;
 390                 if (c == '=')
 391                     c = '\t';
 392                 if (c == '\\')
 393                     c = *p++;
 394                 *q++ = c;
 395             }
 396             if (*p == ',')
 397                 p++;
 398             *q++ = '\0';
 399         }
 400         *q = '\0';
 401     }
 402     gpps(sesskey, "UserName", "", cfg->username, sizeof(cfg->username));
 403     gpps(sesskey, "LocalUserName", "", cfg->localusername,
 404          sizeof(cfg->localusername));
 405     gppi(sesskey, "NoPTY", 0, &cfg->nopty);
 406     gppi(sesskey, "Compression", 0, &cfg->compression);
 407     gppi(sesskey, "AgentFwd", 0, &cfg->agentfwd);
 408     gppi(sesskey, "ChangeUsername", 0, &cfg->change_username);
 409     gprefs(sesskey, "Cipher", "\0",
 410            ciphernames, CIPHER_MAX, cfg->ssh_cipherlist);
 411     gppi(sesskey, "SshProt", 2, &cfg->sshprot);
 412     gppi(sesskey, "SSH2DES", 0, &cfg->ssh2_des_cbc);
 413     gppi(sesskey, "AuthTIS", 0, &cfg->try_tis_auth);
 414     gppi(sesskey, "AuthKI", 1, &cfg->try_ki_auth);
 415     gpps(sesskey, "PublicKeyFile", "", cfg->keyfile, sizeof(cfg->keyfile));
 416     gpps(sesskey, "RemoteCommand", "", cfg->remote_cmd,
 417          sizeof(cfg->remote_cmd));
 418     gppi(sesskey, "RFCEnviron", 0, &cfg->rfc_environ);
 419     gppi(sesskey, "PassiveTelnet", 0, &cfg->passive_telnet);
 420     gppi(sesskey, "BackspaceIsDelete", 1, &cfg->bksp_is_delete);
 421     gppi(sesskey, "RXVTHomeEnd", 0, &cfg->rxvt_homeend);
 422     gppi(sesskey, "LinuxFunctionKeys", 0, &cfg->funky_type);
 423     gppi(sesskey, "NoApplicationKeys", 0, &cfg->no_applic_k);
 424     gppi(sesskey, "NoApplicationCursors", 0, &cfg->no_applic_c);
 425     gppi(sesskey, "NoMouseReporting", 0, &cfg->no_mouse_rep);
 426     gppi(sesskey, "NoRemoteResize", 0, &cfg->no_remote_resize);
 427     gppi(sesskey, "NoAltScreen", 0, &cfg->no_alt_screen);
 428     gppi(sesskey, "NoRemoteWinTitle", 0, &cfg->no_remote_wintitle);
 429     gppi(sesskey, "NoDBackspace", 0, &cfg->no_dbackspace);
 430     gppi(sesskey, "NoRemoteCharset", 0, &cfg->no_remote_charset);
 431     gppi(sesskey, "ApplicationCursorKeys", 0, &cfg->app_cursor);
 432     gppi(sesskey, "ApplicationKeypad", 0, &cfg->app_keypad);
 433     gppi(sesskey, "NetHackKeypad", 0, &cfg->nethack_keypad);
 434     gppi(sesskey, "AltF4", 1, &cfg->alt_f4);
 435     gppi(sesskey, "AltSpace", 0, &cfg->alt_space);
 436     gppi(sesskey, "AltOnly", 0, &cfg->alt_only);
 437     gppi(sesskey, "ComposeKey", 0, &cfg->compose_key);
 438     gppi(sesskey, "CtrlAltKeys", 1, &cfg->ctrlaltkeys);
 439     gppi(sesskey, "TelnetKey", 0, &cfg->telnet_keyboard);
 440     gppi(sesskey, "TelnetRet", 1, &cfg->telnet_newline);
 441     gppi(sesskey, "LocalEcho", LD_BACKEND, &cfg->localecho);
 442     gppi(sesskey, "LocalEdit", LD_BACKEND, &cfg->localedit);
 443     gpps(sesskey, "Answerback", "PuTTY", cfg->answerback,
 444          sizeof(cfg->answerback));
 445     gppi(sesskey, "AlwaysOnTop", 0, &cfg->alwaysontop);
 446     gppi(sesskey, "FullScreenOnAltEnter", 0, &cfg->fullscreenonaltenter);
 447     gppi(sesskey, "HideMousePtr", 0, &cfg->hide_mouseptr);
 448     gppi(sesskey, "SunkenEdge", 0, &cfg->sunken_edge);
 449     gppi(sesskey, "WindowBorder", 1, &cfg->window_border);
 450     gppi(sesskey, "CurType", 0, &cfg->cursor_type);
 451     gppi(sesskey, "BlinkCur", 0, &cfg->blink_cur);
 452     /* pedantic compiler tells me I can't use &cfg->beep as an int * :-) */
 453     gppi(sesskey, "Beep", 1, &i); cfg->beep = i;
 454     gppi(sesskey, "BeepInd", 0, &i); cfg->beep_ind = i;
 455     gpps(sesskey, "BellWaveFile", "", cfg->bell_wavefile,
 456          sizeof(cfg->bell_wavefile));
 457     gppi(sesskey, "BellOverload", 1, &cfg->bellovl);
 458     gppi(sesskey, "BellOverloadN", 5, &cfg->bellovl_n);
 459     gppi(sesskey, "BellOverloadT", 2*TICKSPERSEC, &cfg->bellovl_t);
 460     gppi(sesskey, "BellOverloadS", 5*TICKSPERSEC, &cfg->bellovl_s);
 461     gppi(sesskey, "ScrollbackLines", 200, &cfg->savelines);
 462     gppi(sesskey, "DECOriginMode", 0, &cfg->dec_om);
 463     gppi(sesskey, "AutoWrapMode", 1, &cfg->wrap_mode);
 464     gppi(sesskey, "LFImpliesCR", 0, &cfg->lfhascr);
 465     gppi(sesskey, "WinNameAlways", 0, &cfg->win_name_always);
 466     gpps(sesskey, "WinTitle", "", cfg->wintitle, sizeof(cfg->wintitle));
 467     gppi(sesskey, "TermWidth", 80, &cfg->width);
 468     gppi(sesskey, "TermHeight", 24, &cfg->height);
 469 #ifdef _WINDOWS
 470     gpps(sesskey, "Font", "Courier New", cfg->font, sizeof(cfg->font));
 471 #else
 472     gpps(sesskey, "Font", "fixed", cfg->font, sizeof(cfg->font));
 473 #endif
 474     gppi(sesskey, "FontIsBold", 0, &cfg->fontisbold);
 475 #ifdef _WINDOWS
 476     gppi(sesskey, "FontCharSet", ANSI_CHARSET, &cfg->fontcharset);
 477 #endif
 478     gppi(sesskey, "FontHeight", 10, &cfg->fontheight);
 479 #ifdef _WINDOWS
 480     if (cfg->fontheight < 0) {
 481         int oldh, newh;
 482         HDC hdc = GetDC(NULL);
 483         int logpix = GetDeviceCaps(hdc, LOGPIXELSY);
 484         ReleaseDC(NULL, hdc);
 485
 486         oldh = -cfg->fontheight;
 487         newh = MulDiv(oldh, 72, logpix) + 1;
 488         if (MulDiv(newh, logpix, 72) > oldh)
 489             newh--;
 490         cfg->fontheight = newh;
 491     }
 492 #endif
 493     gppi(sesskey, "FontVTMode", VT_UNICODE, (int *) &cfg->vtmode);
 494     gppi(sesskey, "TryPalette", 0, &cfg->try_palette);
 495     gppi(sesskey, "BoldAsColour", 1, &cfg->bold_colour);
 496     for (i = 0; i < 22; i++) {
 497         static char *defaults[] = {
 498             "187,187,187", "255,255,255", "0,0,0", "85,85,85", "0,0,0",
 499             "0,255,0", "0,0,0", "85,85,85", "187,0,0", "255,85,85",
 500             "0,187,0", "85,255,85", "187,187,0", "255,255,85", "0,0,187",
 501             "85,85,255", "187,0,187", "255,85,255", "0,187,187",
 502             "85,255,255", "187,187,187", "255,255,255"
 503         };
 504         char buf[20], buf2[30];
 505         int c0, c1, c2;
 506         sprintf(buf, "Colour%d", i);
 507         gpps(sesskey, buf, defaults[i], buf2, sizeof(buf2));
 508         if (sscanf(buf2, "%d,%d,%d", &c0, &c1, &c2) == 3) {
 509             cfg->colours[i][0] = c0;
 510             cfg->colours[i][1] = c1;
 511             cfg->colours[i][2] = c2;
 512         }
 513     }
 514 #ifndef _WINDOWS
 515     /* Non-raw cut and paste of line-drawing chars works badly on the
 516      * current Unix stub implementation of the Unicode functions.
 517      * So I'm going to temporarily set the default to raw mode so
 518      * that the failure mode isn't quite so drastically horrid.
 519      * When Unicode comes in, this can all be put right. */
 520     gppi(sesskey, "RawCNP", 1, &cfg->rawcnp);
 521 #else
 522     gppi(sesskey, "RawCNP", 0, &cfg->rawcnp);
 523 #endif
 524     gppi(sesskey, "PasteRTF", 0, &cfg->rtf_paste);
 525     gppi(sesskey, "MouseIsXterm", 0, &cfg->mouse_is_xterm);
 526     gppi(sesskey, "RectSelect", 0, &cfg->rect_select);
 527     gppi(sesskey, "MouseOverride", 1, &cfg->mouse_override);
 528     for (i = 0; i < 256; i += 32) {
 529         static char *defaults[] = {
 530             "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",
 531             "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",
 532             "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",
 533             "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",
 534             "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",
 535             "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",
 536             "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",
 537             "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"
 538         };
 539         char buf[20], buf2[256], *p;
 540         int j;
 541         sprintf(buf, "Wordness%d", i);
 542         gpps(sesskey, buf, defaults[i / 32], buf2, sizeof(buf2));
 543         p = buf2;
 544         for (j = i; j < i + 32; j++) {
 545             char *q = p;
 546             while (*p && *p != ',')
 547                 p++;
 548             if (*p == ',')
 549                 *p++ = '\0';
 550             cfg->wordness[j] = atoi(q);
 551         }
 552     }
 553     /*
 554      * The empty default for LineCodePage will be converted later
 555      * into a plausible default for the locale.
 556      */
 557     gpps(sesskey, "LineCodePage", "", cfg->line_codepage,
 558          sizeof(cfg->line_codepage));
 559     gpps(sesskey, "Printer", "", cfg->printer, sizeof(cfg->printer));
 560     gppi (sesskey, "CapsLockCyr", 0, &cfg->xlat_capslockcyr);
 561     gppi(sesskey, "ScrollBar", 1, &cfg->scrollbar);
 562     gppi(sesskey, "ScrollBarFullScreen", 0, &cfg->scrollbar_in_fullscreen);
 563     gppi(sesskey, "ScrollOnKey", 0, &cfg->scroll_on_key);
 564     gppi(sesskey, "ScrollOnDisp", 1, &cfg->scroll_on_disp);
 565     gppi(sesskey, "LockSize", 0, &i); cfg->resize_action = i;
 566     gppi(sesskey, "BCE", 1, &cfg->bce);
 567     gppi(sesskey, "BlinkText", 0, &cfg->blinktext);
 568     gppi(sesskey, "X11Forward", 0, &cfg->x11_forward);
 569     gpps(sesskey, "X11Display", "localhost:0", cfg->x11_display,
 570          sizeof(cfg->x11_display));
 571
 572     gppi(sesskey, "LocalPortAcceptAll", 0, &cfg->lport_acceptall);
 573     gppi(sesskey, "RemotePortAcceptAll", 0, &cfg->rport_acceptall);
 574     {
 575         char buf[2 * sizeof(cfg->portfwd)], *p, *q;
 576         gpps(sesskey, "PortForwardings", "", buf, sizeof(buf));
 577         p = buf;
 578         q = cfg->portfwd;
 579         while (*p) {
 580             while (*p && *p != ',') {
 581                 int c = *p++;
 582                 if (c == '=')
 583                     c = '\t';
 584                 if (c == '\\')
 585                     c = *p++;
 586                 *q++ = c;
 587             }
 588             if (*p == ',')
 589                 p++;
 590             *q++ = '\0';
 591         }
 592         *q = '\0';
 593     }
 594     gppi(sesskey, "BugIgnore1", BUG_AUTO, &i); cfg->sshbug_ignore1 = i;
 595     gppi(sesskey, "BugPlainPW1", BUG_AUTO, &i); cfg->sshbug_plainpw1 = i;
 596     gppi(sesskey, "BugRSA1", BUG_AUTO, &i); cfg->sshbug_rsa1 = i;
 597     {
 598         int i;
 599         gppi(sesskey, "BugHMAC2", BUG_AUTO, &i); cfg->sshbug_hmac2 = i;
 600         if (cfg->sshbug_hmac2 == BUG_AUTO) {
 601             gppi(sesskey, "BuggyMAC", 0, &i);
 602             if (i == 1)
 603                 cfg->sshbug_hmac2 = BUG_ON;
 604         }
 605     }
 606     gppi(sesskey, "BugDeriveKey2", BUG_AUTO, &i); cfg->sshbug_derivekey2 = i;
 607     gppi(sesskey, "BugRSAPad2", BUG_AUTO, &i); cfg->sshbug_rsapad2 = i;
 608     gppi(sesskey, "BugDHGEx2", BUG_AUTO, &i); cfg->sshbug_dhgex2 = i;
 609     gppi(sesskey, "StampUtmp", 1, &cfg->stamp_utmp);
 610     gppi(sesskey, "LoginShell", 1, &cfg->login_shell);
 611     gppi(sesskey, "ScrollbarOnLeft", 0, &cfg->scrollbar_on_left);
 612     gpps(sesskey, "BoldFont", "", cfg->boldfont, sizeof(cfg->boldfont));
 613     gppi(sesskey, "ShadowBoldOffset", -1, &cfg->shadowboldoffset);
 614
 615     close_settings_r(sesskey);
 616 }
 617
 618 void do_defaults(char *session, Config * cfg)
 619 {
 620     if (session)
 621         load_settings(session, TRUE, cfg);
 622     else
 623         load_settings("Default Settings", FALSE, cfg);
 624 }
 625
 626 static int sessioncmp(const void *av, const void *bv)
 627 {
 628     const char *a = *(const char *const *) av;
 629     const char *b = *(const char *const *) bv;
 630
 631     /*
 632      * Alphabetical order, except that "Default Settings" is a
 633      * special case and comes first.
 634      */
 635     if (!strcmp(a, "Default Settings"))
 636         return -1;                     /* a comes first */
 637     if (!strcmp(b, "Default Settings"))
 638         return +1;                     /* b comes first */
 639     /*
 640      * FIXME: perhaps we should ignore the first & in determining
 641      * sort order.
 642      */
 643     return strcmp(a, b);               /* otherwise, compare normally */
 644 }
 645
 646 void get_sesslist(int allocate)
 647 {
 648     static char otherbuf[2048];
 649     static char *buffer;
 650     int buflen, bufsize, i;
 651     char *p, *ret;
 652     void *handle;
 653
 654     if (allocate) {
 655
 656         buflen = bufsize = 0;
 657         buffer = NULL;
 658         if ((handle = enum_settings_start())) {
 659             do {
 660                 ret = enum_settings_next(handle, otherbuf, sizeof(otherbuf));
 661                 if (ret) {
 662                     int len = strlen(otherbuf) + 1;
 663                     if (bufsize < buflen + len) {
 664                         bufsize = buflen + len + 2048;
 665                         buffer = srealloc(buffer, bufsize);
 666                     }
 667                     strcpy(buffer + buflen, otherbuf);
 668                     buflen += strlen(buffer + buflen) + 1;
 669                 }
 670             } while (ret);
 671             enum_settings_finish(handle);
 672         }
 673         buffer = srealloc(buffer, buflen + 1);
 674         buffer[buflen] = '\0';
 675
 676         /*
 677          * Now set up the list of sessions. Note that "Default
 678          * Settings" must always be claimed to exist, even if it
 679          * doesn't really.
 680          */
 681
 682         p = buffer;
 683         nsessions = 1;                 /* "Default Settings" counts as one */
 684         while (*p) {
 685             if (strcmp(p, "Default Settings"))
 686                 nsessions++;
 687             while (*p)
 688                 p++;
 689             p++;
 690         }
 691
 692         sessions = smalloc((nsessions + 1) * sizeof(char *));
 693         sessions[0] = "Default Settings";
 694         p = buffer;
 695         i = 1;
 696         while (*p) {
 697             if (strcmp(p, "Default Settings"))
 698                 sessions[i++] = p;
 699             while (*p)
 700                 p++;
 701             p++;
 702         }
 703
 704         qsort(sessions, i, sizeof(char *), sessioncmp);
 705     } else {
 706         sfree(buffer);
 707         sfree(sessions);
 708     }
 709 }