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     close_settings_w(sesskey);
 313 }
 314
 315 void load_settings(char *section, int do_host, Config * cfg)
 316 {
 317     int i;
 318     char prot[10];
 319     void *sesskey;
 320
 321     sesskey = open_settings_r(section);
 322
 323     cfg->ssh_subsys = 0;               /* FIXME: load this properly */
 324     cfg->remote_cmd_ptr = cfg->remote_cmd;
 325     cfg->remote_cmd_ptr2 = NULL;
 326
 327     if (do_host) {
 328         gpps(sesskey, "HostName", "", cfg->host, sizeof(cfg->host));
 329     } else {
 330         cfg->host[0] = '\0';           /* blank hostname */
 331     }
 332     gpps(sesskey, "LogFileName", "putty.log",
 333          cfg->logfilename, sizeof(cfg->logfilename));
 334     gppi(sesskey, "LogType", 0, &cfg->logtype);
 335     gppi(sesskey, "LogFileClash", LGXF_ASK, &cfg->logxfovr);
 336
 337     gpps(sesskey, "Protocol", "default", prot, 10);
 338     cfg->protocol = default_protocol;
 339     cfg->port = default_port;
 340     for (i = 0; backends[i].name != NULL; i++)
 341         if (!strcmp(prot, backends[i].name)) {
 342             cfg->protocol = backends[i].protocol;
 343             gppi(sesskey, "PortNumber", default_port, &cfg->port);
 344             break;
 345         }
 346
 347     gppi(sesskey, "CloseOnExit", COE_NORMAL, &cfg->close_on_exit);
 348     gppi(sesskey, "WarnOnClose", 1, &cfg->warn_on_close);
 349     {
 350         /* This is two values for backward compatibility with 0.50/0.51 */
 351         int pingmin, pingsec;
 352         gppi(sesskey, "PingInterval", 0, &pingmin);
 353         gppi(sesskey, "PingIntervalSecs", 0, &pingsec);
 354         cfg->ping_interval = pingmin * 60 + pingsec;
 355     }
 356     gppi(sesskey, "TCPNoDelay", 1, &cfg->tcp_nodelay);
 357     gpps(sesskey, "TerminalType", "xterm", cfg->termtype,
 358          sizeof(cfg->termtype));
 359     gpps(sesskey, "TerminalSpeed", "38400,38400", cfg->termspeed,
 360          sizeof(cfg->termspeed));
 361
 362     /* proxy settings */
 363     gpps(sesskey, "ProxyExcludeList", "", cfg->proxy_exclude_list,
 364          sizeof(cfg->proxy_exclude_list));
 365     gppi(sesskey, "ProxyType", PROXY_NONE, &cfg->proxy_type);
 366     gpps(sesskey, "ProxyHost", "proxy", cfg->proxy_host,
 367          sizeof(cfg->proxy_host));
 368     gppi(sesskey, "ProxyPort", 80, &cfg->proxy_port);
 369     gpps(sesskey, "ProxyUsername", "", cfg->proxy_username,
 370          sizeof(cfg->proxy_username));
 371     gpps(sesskey, "ProxyPassword", "", cfg->proxy_password,
 372          sizeof(cfg->proxy_password));
 373     gpps(sesskey, "ProxyTelnetCommand", "connect %host %port\\n",
 374          cfg->proxy_telnet_command, sizeof(cfg->proxy_telnet_command));
 375     gppi(sesskey, "ProxySOCKSVersion", 5, &cfg->proxy_socks_version);
 376
 377     {
 378         char buf[2 * sizeof(cfg->environmt)], *p, *q;
 379         gpps(sesskey, "Environment", "", buf, sizeof(buf));
 380         p = buf;
 381         q = cfg->environmt;
 382         while (*p) {
 383             while (*p && *p != ',') {
 384                 int c = *p++;
 385                 if (c == '=')
 386                     c = '\t';
 387                 if (c == '\\')
 388                     c = *p++;
 389                 *q++ = c;
 390             }
 391             if (*p == ',')
 392                 p++;
 393             *q++ = '\0';
 394         }
 395         *q = '\0';
 396     }
 397     gpps(sesskey, "UserName", "", cfg->username, sizeof(cfg->username));
 398     gpps(sesskey, "LocalUserName", "", cfg->localusername,
 399          sizeof(cfg->localusername));
 400     gppi(sesskey, "NoPTY", 0, &cfg->nopty);
 401     gppi(sesskey, "Compression", 0, &cfg->compression);
 402     gppi(sesskey, "AgentFwd", 0, &cfg->agentfwd);
 403     gppi(sesskey, "ChangeUsername", 0, &cfg->change_username);
 404     gprefs(sesskey, "Cipher", "\0",
 405            ciphernames, CIPHER_MAX, cfg->ssh_cipherlist);
 406     gppi(sesskey, "SshProt", 1, &cfg->sshprot);
 407     gppi(sesskey, "SSH2DES", 0, &cfg->ssh2_des_cbc);
 408     gppi(sesskey, "AuthTIS", 0, &cfg->try_tis_auth);
 409     gppi(sesskey, "AuthKI", 1, &cfg->try_ki_auth);
 410     gpps(sesskey, "PublicKeyFile", "", cfg->keyfile, sizeof(cfg->keyfile));
 411     gpps(sesskey, "RemoteCommand", "", cfg->remote_cmd,
 412          sizeof(cfg->remote_cmd));
 413     gppi(sesskey, "RFCEnviron", 0, &cfg->rfc_environ);
 414     gppi(sesskey, "PassiveTelnet", 0, &cfg->passive_telnet);
 415     gppi(sesskey, "BackspaceIsDelete", 1, &cfg->bksp_is_delete);
 416     gppi(sesskey, "RXVTHomeEnd", 0, &cfg->rxvt_homeend);
 417     gppi(sesskey, "LinuxFunctionKeys", 0, &cfg->funky_type);
 418     gppi(sesskey, "NoApplicationKeys", 0, &cfg->no_applic_k);
 419     gppi(sesskey, "NoApplicationCursors", 0, &cfg->no_applic_c);
 420     gppi(sesskey, "NoMouseReporting", 0, &cfg->no_mouse_rep);
 421     gppi(sesskey, "NoRemoteResize", 0, &cfg->no_remote_resize);
 422     gppi(sesskey, "NoAltScreen", 0, &cfg->no_alt_screen);
 423     gppi(sesskey, "NoRemoteWinTitle", 0, &cfg->no_remote_wintitle);
 424     gppi(sesskey, "NoDBackspace", 0, &cfg->no_dbackspace);
 425     gppi(sesskey, "NoRemoteCharset", 0, &cfg->no_remote_charset);
 426     gppi(sesskey, "ApplicationCursorKeys", 0, &cfg->app_cursor);
 427     gppi(sesskey, "ApplicationKeypad", 0, &cfg->app_keypad);
 428     gppi(sesskey, "NetHackKeypad", 0, &cfg->nethack_keypad);
 429     gppi(sesskey, "AltF4", 1, &cfg->alt_f4);
 430     gppi(sesskey, "AltSpace", 0, &cfg->alt_space);
 431     gppi(sesskey, "AltOnly", 0, &cfg->alt_only);
 432     gppi(sesskey, "ComposeKey", 0, &cfg->compose_key);
 433     gppi(sesskey, "CtrlAltKeys", 1, &cfg->ctrlaltkeys);
 434     gppi(sesskey, "TelnetKey", 0, &cfg->telnet_keyboard);
 435     gppi(sesskey, "TelnetRet", 1, &cfg->telnet_newline);
 436     gppi(sesskey, "LocalEcho", LD_BACKEND, &cfg->localecho);
 437     gppi(sesskey, "LocalEdit", LD_BACKEND, &cfg->localedit);
 438     gpps(sesskey, "Answerback", "PuTTY", cfg->answerback,
 439          sizeof(cfg->answerback));
 440     gppi(sesskey, "AlwaysOnTop", 0, &cfg->alwaysontop);
 441     gppi(sesskey, "FullScreenOnAltEnter", 0, &cfg->fullscreenonaltenter);
 442     gppi(sesskey, "HideMousePtr", 0, &cfg->hide_mouseptr);
 443     gppi(sesskey, "SunkenEdge", 0, &cfg->sunken_edge);
 444     gppi(sesskey, "WindowBorder", 1, &cfg->window_border);
 445     gppi(sesskey, "CurType", 0, &cfg->cursor_type);
 446     gppi(sesskey, "BlinkCur", 0, &cfg->blink_cur);
 447     /* pedantic compiler tells me I can't use &cfg->beep as an int * :-) */
 448     gppi(sesskey, "Beep", 1, &i); cfg->beep = i;
 449     gppi(sesskey, "BeepInd", 0, &i); cfg->beep_ind = i;
 450     gpps(sesskey, "BellWaveFile", "", cfg->bell_wavefile,
 451          sizeof(cfg->bell_wavefile));
 452     gppi(sesskey, "BellOverload", 1, &cfg->bellovl);
 453     gppi(sesskey, "BellOverloadN", 5, &cfg->bellovl_n);
 454     gppi(sesskey, "BellOverloadT", 2000, &cfg->bellovl_t);
 455     gppi(sesskey, "BellOverloadS", 5000, &cfg->bellovl_s);
 456     gppi(sesskey, "ScrollbackLines", 200, &cfg->savelines);
 457     gppi(sesskey, "DECOriginMode", 0, &cfg->dec_om);
 458     gppi(sesskey, "AutoWrapMode", 1, &cfg->wrap_mode);
 459     gppi(sesskey, "LFImpliesCR", 0, &cfg->lfhascr);
 460     gppi(sesskey, "WinNameAlways", 0, &cfg->win_name_always);
 461     gpps(sesskey, "WinTitle", "", cfg->wintitle, sizeof(cfg->wintitle));
 462     gppi(sesskey, "TermWidth", 80, &cfg->width);
 463     gppi(sesskey, "TermHeight", 24, &cfg->height);
 464     gpps(sesskey, "Font", "Courier New", cfg->font, sizeof(cfg->font));
 465     gppi(sesskey, "FontIsBold", 0, &cfg->fontisbold);
 466 #ifdef _WINDOWS
 467     gppi(sesskey, "FontCharSet", ANSI_CHARSET, &cfg->fontcharset);
 468 #endif
 469     gppi(sesskey, "FontHeight", 10, &cfg->fontheight);
 470 #ifdef _WINDOWS
 471     if (cfg->fontheight < 0) {
 472         int oldh, newh;
 473         HDC hdc = GetDC(NULL);
 474         int logpix = GetDeviceCaps(hdc, LOGPIXELSY);
 475         ReleaseDC(NULL, hdc);
 476
 477         oldh = -cfg->fontheight;
 478         newh = MulDiv(oldh, 72, logpix) + 1;
 479         if (MulDiv(newh, logpix, 72) > oldh)
 480             newh--;
 481         cfg->fontheight = newh;
 482     }
 483 #endif
 484     gppi(sesskey, "FontVTMode", VT_UNICODE, (int *) &cfg->vtmode);
 485     gppi(sesskey, "TryPalette", 0, &cfg->try_palette);
 486     gppi(sesskey, "BoldAsColour", 1, &cfg->bold_colour);
 487     for (i = 0; i < 22; i++) {
 488         static char *defaults[] = {
 489             "187,187,187", "255,255,255", "0,0,0", "85,85,85", "0,0,0",
 490             "0,255,0", "0,0,0", "85,85,85", "187,0,0", "255,85,85",
 491             "0,187,0", "85,255,85", "187,187,0", "255,255,85", "0,0,187",
 492             "85,85,255", "187,0,187", "255,85,255", "0,187,187",
 493             "85,255,255", "187,187,187", "255,255,255"
 494         };
 495         char buf[20], buf2[30];
 496         int c0, c1, c2;
 497         sprintf(buf, "Colour%d", i);
 498         gpps(sesskey, buf, defaults[i], buf2, sizeof(buf2));
 499         if (sscanf(buf2, "%d,%d,%d", &c0, &c1, &c2) == 3) {
 500             cfg->colours[i][0] = c0;
 501             cfg->colours[i][1] = c1;
 502             cfg->colours[i][2] = c2;
 503         }
 504     }
 505     gppi(sesskey, "RawCNP", 0, &cfg->rawcnp);
 506     gppi(sesskey, "PasteRTF", 0, &cfg->rtf_paste);
 507     gppi(sesskey, "MouseIsXterm", 0, &cfg->mouse_is_xterm);
 508     gppi(sesskey, "RectSelect", 0, &cfg->rect_select);
 509     gppi(sesskey, "MouseOverride", 1, &cfg->mouse_override);
 510     for (i = 0; i < 256; i += 32) {
 511         static char *defaults[] = {
 512             "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",
 513             "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",
 514             "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",
 515             "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",
 516             "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",
 517             "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",
 518             "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",
 519             "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"
 520         };
 521         char buf[20], buf2[256], *p;
 522         int j;
 523         sprintf(buf, "Wordness%d", i);
 524         gpps(sesskey, buf, defaults[i / 32], buf2, sizeof(buf2));
 525         p = buf2;
 526         for (j = i; j < i + 32; j++) {
 527             char *q = p;
 528             while (*p && *p != ',')
 529                 p++;
 530             if (*p == ',')
 531                 *p++ = '\0';
 532             cfg->wordness[j] = atoi(q);
 533         }
 534     }
 535     /*
 536      * The empty default for LineCodePage will be converted later
 537      * into a plausible default for the locale.
 538      */
 539     gpps(sesskey, "LineCodePage", "", cfg->line_codepage,
 540          sizeof(cfg->line_codepage));
 541     gpps(sesskey, "Printer", "", cfg->printer, sizeof(cfg->printer));
 542     gppi (sesskey, "CapsLockCyr", 0, &cfg->xlat_capslockcyr);
 543     gppi(sesskey, "ScrollBar", 1, &cfg->scrollbar);
 544     gppi(sesskey, "ScrollBarFullScreen", 0, &cfg->scrollbar_in_fullscreen);
 545     gppi(sesskey, "ScrollOnKey", 0, &cfg->scroll_on_key);
 546     gppi(sesskey, "ScrollOnDisp", 1, &cfg->scroll_on_disp);
 547     gppi(sesskey, "LockSize", 0, &cfg->resize_action);
 548     gppi(sesskey, "BCE", 0, &cfg->bce);
 549     gppi(sesskey, "BlinkText", 0, &cfg->blinktext);
 550     gppi(sesskey, "X11Forward", 0, &cfg->x11_forward);
 551     gpps(sesskey, "X11Display", "localhost:0", cfg->x11_display,
 552          sizeof(cfg->x11_display));
 553
 554     gppi(sesskey, "LocalPortAcceptAll", 0, &cfg->lport_acceptall);
 555     gppi(sesskey, "RemotePortAcceptAll", 0, &cfg->rport_acceptall);
 556     {
 557         char buf[2 * sizeof(cfg->portfwd)], *p, *q;
 558         gpps(sesskey, "PortForwardings", "", buf, sizeof(buf));
 559         p = buf;
 560         q = cfg->portfwd;
 561         while (*p) {
 562             while (*p && *p != ',') {
 563                 int c = *p++;
 564                 if (c == '=')
 565                     c = '\t';
 566                 if (c == '\\')
 567                     c = *p++;
 568                 *q++ = c;
 569             }
 570             if (*p == ',')
 571                 p++;
 572             *q++ = '\0';
 573         }
 574         *q = '\0';
 575     }
 576     gppi(sesskey, "BugIgnore1", BUG_AUTO, &cfg->sshbug_ignore1);
 577     gppi(sesskey, "BugPlainPW1", BUG_AUTO, &cfg->sshbug_plainpw1);
 578     gppi(sesskey, "BugRSA1", BUG_AUTO, &cfg->sshbug_rsa1);
 579     {
 580         int i;
 581         gppi(sesskey, "BugHMAC2", BUG_AUTO, &cfg->sshbug_hmac2);
 582         if (cfg->sshbug_hmac2 == BUG_AUTO) {
 583             gppi(sesskey, "BuggyMAC", 0, &i);
 584             if (i == 1)
 585                 cfg->sshbug_hmac2 = BUG_ON;
 586         }
 587     }
 588     gppi(sesskey, "BugDeriveKey2", BUG_AUTO, &cfg->sshbug_derivekey2);
 589     gppi(sesskey, "BugRSAPad2", BUG_AUTO, &cfg->sshbug_rsapad2);
 590     gppi(sesskey, "BugDHGEx2", BUG_AUTO, &cfg->sshbug_dhgex2);
 591
 592     close_settings_r(sesskey);
 593 }
 594
 595 void do_defaults(char *session, Config * cfg)
 596 {
 597     if (session)
 598         load_settings(session, TRUE, cfg);
 599     else
 600         load_settings("Default Settings", FALSE, cfg);
 601 }
 602
 603 static int sessioncmp(const void *av, const void *bv)
 604 {
 605     const char *a = *(const char *const *) av;
 606     const char *b = *(const char *const *) bv;
 607
 608     /*
 609      * Alphabetical order, except that "Default Settings" is a
 610      * special case and comes first.
 611      */
 612     if (!strcmp(a, "Default Settings"))
 613         return -1;                     /* a comes first */
 614     if (!strcmp(b, "Default Settings"))
 615         return +1;                     /* b comes first */
 616     /*
 617      * FIXME: perhaps we should ignore the first & in determining
 618      * sort order.
 619      */
 620     return strcmp(a, b);               /* otherwise, compare normally */
 621 }
 622
 623 void get_sesslist(int allocate)
 624 {
 625     static char otherbuf[2048];
 626     static char *buffer;
 627     int buflen, bufsize, i;
 628     char *p, *ret;
 629     void *handle;
 630
 631     if (allocate) {
 632
 633         buflen = bufsize = 0;
 634         buffer = NULL;
 635         if ((handle = enum_settings_start())) {
 636             do {
 637                 ret = enum_settings_next(handle, otherbuf, sizeof(otherbuf));
 638                 if (ret) {
 639                     int len = strlen(otherbuf) + 1;
 640                     if (bufsize < buflen + len) {
 641                         bufsize = buflen + len + 2048;
 642                         buffer = srealloc(buffer, bufsize);
 643                     }
 644                     strcpy(buffer + buflen, otherbuf);
 645                     buflen += strlen(buffer + buflen) + 1;
 646                 }
 647             } while (ret);
 648             enum_settings_finish(handle);
 649         }
 650         buffer = srealloc(buffer, buflen + 1);
 651         buffer[buflen] = '\0';
 652
 653         /*
 654          * Now set up the list of sessions. Note that "Default
 655          * Settings" must always be claimed to exist, even if it
 656          * doesn't really.
 657          */
 658
 659         p = buffer;
 660         nsessions = 1;                 /* "Default Settings" counts as one */
 661         while (*p) {
 662             if (strcmp(p, "Default Settings"))
 663                 nsessions++;
 664             while (*p)
 665                 p++;
 666             p++;
 667         }
 668
 669         sessions = smalloc((nsessions + 1) * sizeof(char *));
 670         sessions[0] = "Default Settings";
 671         p = buffer;
 672         i = 1;
 673         while (*p) {
 674             if (strcmp(p, "Default Settings"))
 675                 sessions[i++] = p;
 676             while (*p)
 677                 p++;
 678             p++;
 679         }
 680
 681         qsort(sessions, i, sizeof(char *), sessioncmp);
 682     } else {
 683         sfree(buffer);
 684         sfree(sessions);
 685     }
 686 }