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, const char *name, const char *def,
  24                  char *val, int len)
  25 {
  26     if (!read_setting_s(handle, name, val, len)) {
  27         char *pdef;
  28
  29         pdef = platform_default_s(name);
  30         if (pdef) {
  31             strncpy(val, pdef, len);
  32         } else {
  33             strncpy(val, def, len);
  34         }
  35
  36         val[len - 1] = '\0';
  37     }
  38 }
  39
  40 static void gppi(void *handle, char *name, int def, int *i)
  41 {
  42     def = platform_default_i(name, def);
  43     *i = read_setting_i(handle, name, def);
  44 }
  45
  46 static int key2val(const struct keyval *mapping, int nmaps, char *key)
  47 {
  48     int i;
  49     for (i = 0; i < nmaps; i++)
  50         if (!strcmp(mapping[i].s, key)) return mapping[i].v;
  51     return -1;
  52 }
  53
  54 static const char *val2key(const struct keyval *mapping, int nmaps, int val)
  55 {
  56     int i;
  57     for (i = 0; i < nmaps; i++)
  58         if (mapping[i].v == val) return mapping[i].s;
  59     return NULL;
  60 }
  61
  62 /*
  63  * Helper function to parse a comma-separated list of strings into
  64  * a preference list array of values. Any missing values are added
  65  * to the end and duplicates are weeded.
  66  * XXX: assumes vals in 'mapping' are small +ve integers
  67  */
  68 static void gprefs(void *sesskey, char *name, char *def,
  69                    const struct keyval *mapping, int nvals,
  70                    int *array)
  71 {
  72     char commalist[80];
  73     int n;
  74     unsigned long seen = 0;            /* bitmap for weeding dups etc */
  75     gpps(sesskey, name, def, commalist, sizeof(commalist));
  76
  77     /* Grotty parsing of commalist. */
  78     n = 0;
  79     do {
  80         int v;
  81         char *key;
  82         key = strtok(n==0 ? commalist : NULL, ","); /* sorry */
  83         if (!key) break;
  84         if (((v = key2val(mapping, nvals, key)) != -1) &&
  85             !(seen & 1<<v)) {
  86             array[n] = v;
  87             n++;
  88             seen |= 1<<v;
  89         }
  90     } while (n < nvals);
  91     /* Add any missing values (backward compatibility ect). */
  92     {
  93         int i;
  94         for (i = 0; i < nvals; i++) {
  95             if (!(seen & 1<<mapping[i].v)) {
  96                 array[n] = mapping[i].v;
  97                 n++;
  98             }
  99         }
 100     }
 101 }
 102
 103 /*
 104  * Write out a preference list.
 105  */
 106 static void wprefs(void *sesskey, char *name,
 107                    const struct keyval *mapping, int nvals,
 108                    int *array)
 109 {
 110     char buf[80] = "";  /* XXX assumed big enough */
 111     int l = sizeof(buf)-1, i;
 112     buf[l] = '\0';
 113     for (i = 0; l > 0 && i < nvals; i++) {
 114         const char *s = val2key(mapping, nvals, array[i]);
 115         if (s) {
 116             int sl = strlen(s);
 117             if (i > 0) {
 118                 strncat(buf, ",", l);
 119                 l--;
 120             }
 121             strncat(buf, s, l);
 122             l -= sl;
 123         }
 124     }
 125     write_setting_s(sesskey, name, buf);
 126 }
 127
 128 void save_settings(char *section, int do_host, Config * cfg)
 129 {
 130     int i;
 131     char *p;
 132     void *sesskey;
 133
 134     sesskey = open_settings_w(section);
 135     if (!sesskey)
 136         return;
 137
 138     write_setting_i(sesskey, "Present", 1);
 139     if (do_host) {
 140         write_setting_s(sesskey, "HostName", cfg->host);
 141         write_setting_s(sesskey, "LogFileName", cfg->logfilename);
 142         write_setting_i(sesskey, "LogType", cfg->logtype);
 143         write_setting_i(sesskey, "LogFileClash", cfg->logxfovr);
 144     }
 145     p = "raw";
 146     for (i = 0; backends[i].name != NULL; i++)
 147         if (backends[i].protocol == cfg->protocol) {
 148             p = backends[i].name;
 149             break;
 150         }
 151     write_setting_s(sesskey, "Protocol", p);
 152     write_setting_i(sesskey, "PortNumber", cfg->port);
 153     write_setting_i(sesskey, "CloseOnExit", cfg->close_on_exit);
 154     write_setting_i(sesskey, "WarnOnClose", !!cfg->warn_on_close);
 155     write_setting_i(sesskey, "PingInterval", cfg->ping_interval / 60);  /* minutes */
 156     write_setting_i(sesskey, "PingIntervalSecs", cfg->ping_interval % 60);      /* seconds */
 157     write_setting_i(sesskey, "TCPNoDelay", cfg->tcp_nodelay);
 158     write_setting_s(sesskey, "TerminalType", cfg->termtype);
 159     write_setting_s(sesskey, "TerminalSpeed", cfg->termspeed);
 160
 161     /* proxy settings */
 162     write_setting_s(sesskey, "ProxyExcludeList", cfg->proxy_exclude_list);
 163     write_setting_i(sesskey, "ProxyDNS", cfg->proxy_dns);
 164     write_setting_i(sesskey, "ProxyLocalhost", cfg->even_proxy_localhost);
 165     write_setting_i(sesskey, "ProxyType", cfg->proxy_type);
 166     write_setting_s(sesskey, "ProxyHost", cfg->proxy_host);
 167     write_setting_i(sesskey, "ProxyPort", cfg->proxy_port);
 168     write_setting_s(sesskey, "ProxyUsername", cfg->proxy_username);
 169     write_setting_s(sesskey, "ProxyPassword", cfg->proxy_password);
 170     write_setting_s(sesskey, "ProxyTelnetCommand", cfg->proxy_telnet_command);
 171     write_setting_i(sesskey, "ProxySOCKSVersion", cfg->proxy_socks_version);
 172
 173     {
 174         char buf[2 * sizeof(cfg->environmt)], *p, *q;
 175         p = buf;
 176         q = cfg->environmt;
 177         while (*q) {
 178             while (*q) {
 179                 int c = *q++;
 180                 if (c == '=' || c == ',' || c == '\\')
 181                     *p++ = '\\';
 182                 if (c == '\t')
 183                     c = '=';
 184                 *p++ = c;
 185             }
 186             *p++ = ',';
 187             q++;
 188         }
 189         *p = '\0';
 190         write_setting_s(sesskey, "Environment", buf);
 191     }
 192     write_setting_s(sesskey, "UserName", cfg->username);
 193     write_setting_s(sesskey, "LocalUserName", cfg->localusername);
 194     write_setting_i(sesskey, "NoPTY", cfg->nopty);
 195     write_setting_i(sesskey, "Compression", cfg->compression);
 196     write_setting_i(sesskey, "AgentFwd", cfg->agentfwd);
 197     write_setting_i(sesskey, "ChangeUsername", cfg->change_username);
 198     wprefs(sesskey, "Cipher", ciphernames, CIPHER_MAX,
 199            cfg->ssh_cipherlist);
 200     write_setting_i(sesskey, "AuthTIS", cfg->try_tis_auth);
 201     write_setting_i(sesskey, "AuthKI", cfg->try_ki_auth);
 202     write_setting_i(sesskey, "SshProt", cfg->sshprot);
 203     write_setting_i(sesskey, "SSH2DES", cfg->ssh2_des_cbc);
 204     write_setting_s(sesskey, "PublicKeyFile", cfg->keyfile);
 205     write_setting_s(sesskey, "RemoteCommand", cfg->remote_cmd);
 206     write_setting_i(sesskey, "RFCEnviron", cfg->rfc_environ);
 207     write_setting_i(sesskey, "PassiveTelnet", cfg->passive_telnet);
 208     write_setting_i(sesskey, "BackspaceIsDelete", cfg->bksp_is_delete);
 209     write_setting_i(sesskey, "RXVTHomeEnd", cfg->rxvt_homeend);
 210     write_setting_i(sesskey, "LinuxFunctionKeys", cfg->funky_type);
 211     write_setting_i(sesskey, "NoApplicationKeys", cfg->no_applic_k);
 212     write_setting_i(sesskey, "NoApplicationCursors", cfg->no_applic_c);
 213     write_setting_i(sesskey, "NoMouseReporting", cfg->no_mouse_rep);
 214     write_setting_i(sesskey, "NoRemoteResize", cfg->no_remote_resize);
 215     write_setting_i(sesskey, "NoAltScreen", cfg->no_alt_screen);
 216     write_setting_i(sesskey, "NoRemoteWinTitle", cfg->no_remote_wintitle);
 217     write_setting_i(sesskey, "NoDBackspace", cfg->no_dbackspace);
 218     write_setting_i(sesskey, "NoRemoteCharset", cfg->no_remote_charset);
 219     write_setting_i(sesskey, "ApplicationCursorKeys", cfg->app_cursor);
 220     write_setting_i(sesskey, "ApplicationKeypad", cfg->app_keypad);
 221     write_setting_i(sesskey, "NetHackKeypad", cfg->nethack_keypad);
 222     write_setting_i(sesskey, "AltF4", cfg->alt_f4);
 223     write_setting_i(sesskey, "AltSpace", cfg->alt_space);
 224     write_setting_i(sesskey, "AltOnly", cfg->alt_only);
 225     write_setting_i(sesskey, "ComposeKey", cfg->compose_key);
 226     write_setting_i(sesskey, "CtrlAltKeys", cfg->ctrlaltkeys);
 227     write_setting_i(sesskey, "TelnetKey", cfg->telnet_keyboard);
 228     write_setting_i(sesskey, "TelnetRet", cfg->telnet_newline);
 229     write_setting_i(sesskey, "LocalEcho", cfg->localecho);
 230     write_setting_i(sesskey, "LocalEdit", cfg->localedit);
 231     write_setting_s(sesskey, "Answerback", cfg->answerback);
 232     write_setting_i(sesskey, "AlwaysOnTop", cfg->alwaysontop);
 233     write_setting_i(sesskey, "FullScreenOnAltEnter", cfg->fullscreenonaltenter);
 234     write_setting_i(sesskey, "HideMousePtr", cfg->hide_mouseptr);
 235     write_setting_i(sesskey, "SunkenEdge", cfg->sunken_edge);
 236     write_setting_i(sesskey, "WindowBorder", cfg->window_border);
 237     write_setting_i(sesskey, "CurType", cfg->cursor_type);
 238     write_setting_i(sesskey, "BlinkCur", cfg->blink_cur);
 239     write_setting_i(sesskey, "Beep", cfg->beep);
 240     write_setting_i(sesskey, "BeepInd", cfg->beep_ind);
 241     write_setting_s(sesskey, "BellWaveFile", cfg->bell_wavefile);
 242     write_setting_i(sesskey, "BellOverload", cfg->bellovl);
 243     write_setting_i(sesskey, "BellOverloadN", cfg->bellovl_n);
 244     write_setting_i(sesskey, "BellOverloadT", cfg->bellovl_t);
 245     write_setting_i(sesskey, "BellOverloadS", cfg->bellovl_s);
 246     write_setting_i(sesskey, "ScrollbackLines", cfg->savelines);
 247     write_setting_i(sesskey, "DECOriginMode", cfg->dec_om);
 248     write_setting_i(sesskey, "AutoWrapMode", cfg->wrap_mode);
 249     write_setting_i(sesskey, "LFImpliesCR", cfg->lfhascr);
 250     write_setting_i(sesskey, "WinNameAlways", cfg->win_name_always);
 251     write_setting_s(sesskey, "WinTitle", cfg->wintitle);
 252     write_setting_i(sesskey, "TermWidth", cfg->width);
 253     write_setting_i(sesskey, "TermHeight", cfg->height);
 254     write_setting_s(sesskey, "Font", cfg->font);
 255     write_setting_i(sesskey, "FontIsBold", cfg->fontisbold);
 256     write_setting_i(sesskey, "FontCharSet", cfg->fontcharset);
 257     write_setting_i(sesskey, "FontHeight", cfg->fontheight);
 258     write_setting_i(sesskey, "FontVTMode", cfg->vtmode);
 259     write_setting_i(sesskey, "TryPalette", cfg->try_palette);
 260     write_setting_i(sesskey, "BoldAsColour", cfg->bold_colour);
 261     for (i = 0; i < 22; i++) {
 262         char buf[20], buf2[30];
 263         sprintf(buf, "Colour%d", i);
 264         sprintf(buf2, "%d,%d,%d", cfg->colours[i][0],
 265                 cfg->colours[i][1], cfg->colours[i][2]);
 266         write_setting_s(sesskey, buf, buf2);
 267     }
 268     write_setting_i(sesskey, "RawCNP", cfg->rawcnp);
 269     write_setting_i(sesskey, "PasteRTF", cfg->rtf_paste);
 270     write_setting_i(sesskey, "MouseIsXterm", cfg->mouse_is_xterm);
 271     write_setting_i(sesskey, "RectSelect", cfg->rect_select);
 272     write_setting_i(sesskey, "MouseOverride", cfg->mouse_override);
 273     for (i = 0; i < 256; i += 32) {
 274         char buf[20], buf2[256];
 275         int j;
 276         sprintf(buf, "Wordness%d", i);
 277         *buf2 = '\0';
 278         for (j = i; j < i + 32; j++) {
 279             sprintf(buf2 + strlen(buf2), "%s%d",
 280                     (*buf2 ? "," : ""), cfg->wordness[j]);
 281         }
 282         write_setting_s(sesskey, buf, buf2);
 283     }
 284     write_setting_s(sesskey, "LineCodePage", cfg->line_codepage);
 285     write_setting_s(sesskey, "Printer", cfg->printer);
 286     write_setting_i(sesskey, "CapsLockCyr", cfg->xlat_capslockcyr);
 287     write_setting_i(sesskey, "ScrollBar", cfg->scrollbar);
 288     write_setting_i(sesskey, "ScrollBarFullScreen", cfg->scrollbar_in_fullscreen);
 289     write_setting_i(sesskey, "ScrollOnKey", cfg->scroll_on_key);
 290     write_setting_i(sesskey, "ScrollOnDisp", cfg->scroll_on_disp);
 291     write_setting_i(sesskey, "LockSize", cfg->resize_action);
 292     write_setting_i(sesskey, "BCE", cfg->bce);
 293     write_setting_i(sesskey, "BlinkText", cfg->blinktext);
 294     write_setting_i(sesskey, "X11Forward", cfg->x11_forward);
 295     write_setting_s(sesskey, "X11Display", cfg->x11_display);
 296     write_setting_i(sesskey, "X11AuthType", cfg->x11_auth);
 297     write_setting_i(sesskey, "LocalPortAcceptAll", cfg->lport_acceptall);
 298     write_setting_i(sesskey, "RemotePortAcceptAll", cfg->rport_acceptall);
 299     {
 300         char buf[2 * sizeof(cfg->portfwd)], *p, *q;
 301         p = buf;
 302         q = cfg->portfwd;
 303         while (*q) {
 304             while (*q) {
 305                 int c = *q++;
 306                 if (c == '=' || c == ',' || c == '\\')
 307                     *p++ = '\\';
 308                 if (c == '\t')
 309                     c = '=';
 310                 *p++ = c;
 311             }
 312             *p++ = ',';
 313             q++;
 314         }
 315         *p = '\0';
 316         write_setting_s(sesskey, "PortForwardings", buf);
 317     }
 318     write_setting_i(sesskey, "BugIgnore1", cfg->sshbug_ignore1);
 319     write_setting_i(sesskey, "BugPlainPW1", cfg->sshbug_plainpw1);
 320     write_setting_i(sesskey, "BugRSA1", cfg->sshbug_rsa1);
 321     write_setting_i(sesskey, "BugHMAC2", cfg->sshbug_hmac2);
 322     write_setting_i(sesskey, "BugDeriveKey2", cfg->sshbug_derivekey2);
 323     write_setting_i(sesskey, "BugRSAPad2", cfg->sshbug_rsapad2);
 324     write_setting_i(sesskey, "BugDHGEx2", cfg->sshbug_dhgex2);
 325     write_setting_i(sesskey, "StampUtmp", cfg->stamp_utmp);
 326     write_setting_i(sesskey, "LoginShell", cfg->login_shell);
 327     write_setting_i(sesskey, "ScrollbarOnLeft", cfg->scrollbar_on_left);
 328     write_setting_s(sesskey, "BoldFont", cfg->boldfont);
 329     write_setting_i(sesskey, "ShadowBoldOffset", cfg->shadowboldoffset);
 330     close_settings_w(sesskey);
 331 }
 332
 333 void load_settings(char *section, int do_host, Config * cfg)
 334 {
 335     void *sesskey;
 336
 337     sesskey = open_settings_r(section);
 338     load_open_settings(sesskey, do_host, cfg);
 339     close_settings_r(sesskey);
 340 }
 341
 342 void load_open_settings(void *sesskey, int do_host, Config *cfg)
 343 {
 344     int i;
 345     char prot[10];
 346
 347     cfg->ssh_subsys = 0;               /* FIXME: load this properly */
 348     cfg->remote_cmd_ptr = cfg->remote_cmd;
 349     cfg->remote_cmd_ptr2 = NULL;
 350
 351     if (do_host) {
 352         gpps(sesskey, "HostName", "", cfg->host, sizeof(cfg->host));
 353     } else {
 354         cfg->host[0] = '\0';           /* blank hostname */
 355     }
 356     gpps(sesskey, "LogFileName", "putty.log",
 357          cfg->logfilename, sizeof(cfg->logfilename));
 358     gppi(sesskey, "LogType", 0, &cfg->logtype);
 359     gppi(sesskey, "LogFileClash", LGXF_ASK, &cfg->logxfovr);
 360
 361     gpps(sesskey, "Protocol", "default", prot, 10);
 362     cfg->protocol = default_protocol;
 363     cfg->port = default_port;
 364     for (i = 0; backends[i].name != NULL; i++)
 365         if (!strcmp(prot, backends[i].name)) {
 366             cfg->protocol = backends[i].protocol;
 367             gppi(sesskey, "PortNumber", default_port, &cfg->port);
 368             break;
 369         }
 370
 371     /*
 372      * CloseOnExit defaults to closing only on a clean exit - but
 373      * unfortunately not on Unix (pterm). On Unix, the exit code of
 374      * a shell is the last exit code of one of its child processes,
 375      * even if it's an interactive shell - so some pterms will
 376      * close and some will not for no particularly good reason. The
 377      * mode is still useful for specialist purposes (running a
 378      * single command in its own pterm), but I don't think it's a
 379      * sane default, unfortunately.
 380      */
 381     gppi(sesskey, "CloseOnExit", COE_NORMAL, &cfg->close_on_exit);
 382     gppi(sesskey, "WarnOnClose", 1, &cfg->warn_on_close);
 383     {
 384         /* This is two values for backward compatibility with 0.50/0.51 */
 385         int pingmin, pingsec;
 386         gppi(sesskey, "PingInterval", 0, &pingmin);
 387         gppi(sesskey, "PingIntervalSecs", 0, &pingsec);
 388         cfg->ping_interval = pingmin * 60 + pingsec;
 389     }
 390     gppi(sesskey, "TCPNoDelay", 1, &cfg->tcp_nodelay);
 391     gpps(sesskey, "TerminalType", "xterm", cfg->termtype,
 392          sizeof(cfg->termtype));
 393     gpps(sesskey, "TerminalSpeed", "38400,38400", cfg->termspeed,
 394          sizeof(cfg->termspeed));
 395
 396     /* proxy settings */
 397     gpps(sesskey, "ProxyExcludeList", "", cfg->proxy_exclude_list,
 398          sizeof(cfg->proxy_exclude_list));
 399     gppi(sesskey, "ProxyDNS", PROXYDNS_AUTO, &i); cfg->proxy_dns = i;
 400     gppi(sesskey, "ProxyLocalhost", 0, &cfg->even_proxy_localhost);
 401     gppi(sesskey, "ProxyType", PROXY_NONE, &i); cfg->proxy_type = i;
 402     gpps(sesskey, "ProxyHost", "proxy", cfg->proxy_host,
 403          sizeof(cfg->proxy_host));
 404     gppi(sesskey, "ProxyPort", 80, &cfg->proxy_port);
 405     gpps(sesskey, "ProxyUsername", "", cfg->proxy_username,
 406          sizeof(cfg->proxy_username));
 407     gpps(sesskey, "ProxyPassword", "", cfg->proxy_password,
 408          sizeof(cfg->proxy_password));
 409     gpps(sesskey, "ProxyTelnetCommand", "connect %host %port\\n",
 410          cfg->proxy_telnet_command, sizeof(cfg->proxy_telnet_command));
 411     gppi(sesskey, "ProxySOCKSVersion", 5, &cfg->proxy_socks_version);
 412
 413     {
 414         char buf[2 * sizeof(cfg->environmt)], *p, *q;
 415         gpps(sesskey, "Environment", "", buf, sizeof(buf));
 416         p = buf;
 417         q = cfg->environmt;
 418         while (*p) {
 419             while (*p && *p != ',') {
 420                 int c = *p++;
 421                 if (c == '=')
 422                     c = '\t';
 423                 if (c == '\\')
 424                     c = *p++;
 425                 *q++ = c;
 426             }
 427             if (*p == ',')
 428                 p++;
 429             *q++ = '\0';
 430         }
 431         *q = '\0';
 432     }
 433     gpps(sesskey, "UserName", "", cfg->username, sizeof(cfg->username));
 434     gpps(sesskey, "LocalUserName", "", cfg->localusername,
 435          sizeof(cfg->localusername));
 436     gppi(sesskey, "NoPTY", 0, &cfg->nopty);
 437     gppi(sesskey, "Compression", 0, &cfg->compression);
 438     gppi(sesskey, "AgentFwd", 0, &cfg->agentfwd);
 439     gppi(sesskey, "ChangeUsername", 0, &cfg->change_username);
 440     gprefs(sesskey, "Cipher", "\0",
 441            ciphernames, CIPHER_MAX, cfg->ssh_cipherlist);
 442     gppi(sesskey, "SshProt", 2, &cfg->sshprot);
 443     gppi(sesskey, "SSH2DES", 0, &cfg->ssh2_des_cbc);
 444     gppi(sesskey, "AuthTIS", 0, &cfg->try_tis_auth);
 445     gppi(sesskey, "AuthKI", 1, &cfg->try_ki_auth);
 446     gpps(sesskey, "PublicKeyFile", "", cfg->keyfile, sizeof(cfg->keyfile));
 447     gpps(sesskey, "RemoteCommand", "", cfg->remote_cmd,
 448          sizeof(cfg->remote_cmd));
 449     gppi(sesskey, "RFCEnviron", 0, &cfg->rfc_environ);
 450     gppi(sesskey, "PassiveTelnet", 0, &cfg->passive_telnet);
 451     gppi(sesskey, "BackspaceIsDelete", 1, &cfg->bksp_is_delete);
 452     gppi(sesskey, "RXVTHomeEnd", 0, &cfg->rxvt_homeend);
 453     gppi(sesskey, "LinuxFunctionKeys", 0, &cfg->funky_type);
 454     gppi(sesskey, "NoApplicationKeys", 0, &cfg->no_applic_k);
 455     gppi(sesskey, "NoApplicationCursors", 0, &cfg->no_applic_c);
 456     gppi(sesskey, "NoMouseReporting", 0, &cfg->no_mouse_rep);
 457     gppi(sesskey, "NoRemoteResize", 0, &cfg->no_remote_resize);
 458     gppi(sesskey, "NoAltScreen", 0, &cfg->no_alt_screen);
 459     gppi(sesskey, "NoRemoteWinTitle", 0, &cfg->no_remote_wintitle);
 460     gppi(sesskey, "NoDBackspace", 0, &cfg->no_dbackspace);
 461     gppi(sesskey, "NoRemoteCharset", 0, &cfg->no_remote_charset);
 462     gppi(sesskey, "ApplicationCursorKeys", 0, &cfg->app_cursor);
 463     gppi(sesskey, "ApplicationKeypad", 0, &cfg->app_keypad);
 464     gppi(sesskey, "NetHackKeypad", 0, &cfg->nethack_keypad);
 465     gppi(sesskey, "AltF4", 1, &cfg->alt_f4);
 466     gppi(sesskey, "AltSpace", 0, &cfg->alt_space);
 467     gppi(sesskey, "AltOnly", 0, &cfg->alt_only);
 468     gppi(sesskey, "ComposeKey", 0, &cfg->compose_key);
 469     gppi(sesskey, "CtrlAltKeys", 1, &cfg->ctrlaltkeys);
 470     gppi(sesskey, "TelnetKey", 0, &cfg->telnet_keyboard);
 471     gppi(sesskey, "TelnetRet", 1, &cfg->telnet_newline);
 472     gppi(sesskey, "LocalEcho", LD_BACKEND, &cfg->localecho);
 473     gppi(sesskey, "LocalEdit", LD_BACKEND, &cfg->localedit);
 474     gpps(sesskey, "Answerback", "PuTTY", cfg->answerback,
 475          sizeof(cfg->answerback));
 476     gppi(sesskey, "AlwaysOnTop", 0, &cfg->alwaysontop);
 477     gppi(sesskey, "FullScreenOnAltEnter", 0, &cfg->fullscreenonaltenter);
 478     gppi(sesskey, "HideMousePtr", 0, &cfg->hide_mouseptr);
 479     gppi(sesskey, "SunkenEdge", 0, &cfg->sunken_edge);
 480     gppi(sesskey, "WindowBorder", 1, &cfg->window_border);
 481     gppi(sesskey, "CurType", 0, &cfg->cursor_type);
 482     gppi(sesskey, "BlinkCur", 0, &cfg->blink_cur);
 483     /* pedantic compiler tells me I can't use &cfg->beep as an int * :-) */
 484     gppi(sesskey, "Beep", 1, &i); cfg->beep = i;
 485     gppi(sesskey, "BeepInd", 0, &i); cfg->beep_ind = i;
 486     gpps(sesskey, "BellWaveFile", "", cfg->bell_wavefile,
 487          sizeof(cfg->bell_wavefile));
 488     gppi(sesskey, "BellOverload", 1, &cfg->bellovl);
 489     gppi(sesskey, "BellOverloadN", 5, &cfg->bellovl_n);
 490     gppi(sesskey, "BellOverloadT", 2*TICKSPERSEC, &cfg->bellovl_t);
 491     gppi(sesskey, "BellOverloadS", 5*TICKSPERSEC, &cfg->bellovl_s);
 492     gppi(sesskey, "ScrollbackLines", 200, &cfg->savelines);
 493     gppi(sesskey, "DECOriginMode", 0, &cfg->dec_om);
 494     gppi(sesskey, "AutoWrapMode", 1, &cfg->wrap_mode);
 495     gppi(sesskey, "LFImpliesCR", 0, &cfg->lfhascr);
 496     gppi(sesskey, "WinNameAlways", 0, &cfg->win_name_always);
 497     gpps(sesskey, "WinTitle", "", cfg->wintitle, sizeof(cfg->wintitle));
 498     gppi(sesskey, "TermWidth", 80, &cfg->width);
 499     gppi(sesskey, "TermHeight", 24, &cfg->height);
 500     gpps(sesskey, "Font", "XXX", cfg->font, sizeof(cfg->font));
 501     gppi(sesskey, "FontIsBold", 0, &cfg->fontisbold);
 502     gppi(sesskey, "FontCharSet", 0, &cfg->fontcharset);
 503     gppi(sesskey, "FontHeight", 10, &cfg->fontheight);
 504 #ifdef _WINDOWS
 505     if (cfg->fontheight < 0) {
 506         int oldh, newh;
 507         HDC hdc = GetDC(NULL);
 508         int logpix = GetDeviceCaps(hdc, LOGPIXELSY);
 509         ReleaseDC(NULL, hdc);
 510
 511         oldh = -cfg->fontheight;
 512         newh = MulDiv(oldh, 72, logpix) + 1;
 513         if (MulDiv(newh, logpix, 72) > oldh)
 514             newh--;
 515         cfg->fontheight = newh;
 516     }
 517 #endif
 518     gppi(sesskey, "FontVTMode", VT_UNICODE, (int *) &cfg->vtmode);
 519     gppi(sesskey, "TryPalette", 0, &cfg->try_palette);
 520     gppi(sesskey, "BoldAsColour", 1, &cfg->bold_colour);
 521     for (i = 0; i < 22; i++) {
 522         static const char *const defaults[] = {
 523             "187,187,187", "255,255,255", "0,0,0", "85,85,85", "0,0,0",
 524             "0,255,0", "0,0,0", "85,85,85", "187,0,0", "255,85,85",
 525             "0,187,0", "85,255,85", "187,187,0", "255,255,85", "0,0,187",
 526             "85,85,255", "187,0,187", "255,85,255", "0,187,187",
 527             "85,255,255", "187,187,187", "255,255,255"
 528         };
 529         char buf[20], buf2[30];
 530         int c0, c1, c2;
 531         sprintf(buf, "Colour%d", i);
 532         gpps(sesskey, buf, defaults[i], buf2, sizeof(buf2));
 533         if (sscanf(buf2, "%d,%d,%d", &c0, &c1, &c2) == 3) {
 534             cfg->colours[i][0] = c0;
 535             cfg->colours[i][1] = c1;
 536             cfg->colours[i][2] = c2;
 537         }
 538     }
 539     gppi(sesskey, "RawCNP", 0, &cfg->rawcnp);
 540     gppi(sesskey, "PasteRTF", 0, &cfg->rtf_paste);
 541     gppi(sesskey, "MouseIsXterm", 0, &cfg->mouse_is_xterm);
 542     gppi(sesskey, "RectSelect", 0, &cfg->rect_select);
 543     gppi(sesskey, "MouseOverride", 1, &cfg->mouse_override);
 544     for (i = 0; i < 256; i += 32) {
 545         static const char *const defaults[] = {
 546             "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",
 547             "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",
 548             "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",
 549             "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",
 550             "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",
 551             "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",
 552             "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",
 553             "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"
 554         };
 555         char buf[20], buf2[256], *p;
 556         int j;
 557         sprintf(buf, "Wordness%d", i);
 558         gpps(sesskey, buf, defaults[i / 32], buf2, sizeof(buf2));
 559         p = buf2;
 560         for (j = i; j < i + 32; j++) {
 561             char *q = p;
 562             while (*p && *p != ',')
 563                 p++;
 564             if (*p == ',')
 565                 *p++ = '\0';
 566             cfg->wordness[j] = atoi(q);
 567         }
 568     }
 569     /*
 570      * The empty default for LineCodePage will be converted later
 571      * into a plausible default for the locale.
 572      */
 573     gpps(sesskey, "LineCodePage", "", cfg->line_codepage,
 574          sizeof(cfg->line_codepage));
 575     gpps(sesskey, "Printer", "", cfg->printer, sizeof(cfg->printer));
 576     gppi (sesskey, "CapsLockCyr", 0, &cfg->xlat_capslockcyr);
 577     gppi(sesskey, "ScrollBar", 1, &cfg->scrollbar);
 578     gppi(sesskey, "ScrollBarFullScreen", 0, &cfg->scrollbar_in_fullscreen);
 579     gppi(sesskey, "ScrollOnKey", 0, &cfg->scroll_on_key);
 580     gppi(sesskey, "ScrollOnDisp", 1, &cfg->scroll_on_disp);
 581     gppi(sesskey, "LockSize", 0, &i); cfg->resize_action = i;
 582     gppi(sesskey, "BCE", 1, &cfg->bce);
 583     gppi(sesskey, "BlinkText", 0, &cfg->blinktext);
 584     gppi(sesskey, "X11Forward", 0, &cfg->x11_forward);
 585     gpps(sesskey, "X11Display", "localhost:0", cfg->x11_display,
 586          sizeof(cfg->x11_display));
 587     gppi(sesskey, "X11AuthType", X11_MIT, &cfg->x11_auth);
 588
 589     gppi(sesskey, "LocalPortAcceptAll", 0, &cfg->lport_acceptall);
 590     gppi(sesskey, "RemotePortAcceptAll", 0, &cfg->rport_acceptall);
 591     {
 592         char buf[2 * sizeof(cfg->portfwd)], *p, *q;
 593         gpps(sesskey, "PortForwardings", "", buf, sizeof(buf));
 594         p = buf;
 595         q = cfg->portfwd;
 596         while (*p) {
 597             while (*p && *p != ',') {
 598                 int c = *p++;
 599                 if (c == '=')
 600                     c = '\t';
 601                 if (c == '\\')
 602                     c = *p++;
 603                 *q++ = c;
 604             }
 605             if (*p == ',')
 606                 p++;
 607             *q++ = '\0';
 608         }
 609         *q = '\0';
 610     }
 611     gppi(sesskey, "BugIgnore1", BUG_AUTO, &i); cfg->sshbug_ignore1 = i;
 612     gppi(sesskey, "BugPlainPW1", BUG_AUTO, &i); cfg->sshbug_plainpw1 = i;
 613     gppi(sesskey, "BugRSA1", BUG_AUTO, &i); cfg->sshbug_rsa1 = i;
 614     {
 615         int i;
 616         gppi(sesskey, "BugHMAC2", BUG_AUTO, &i); cfg->sshbug_hmac2 = i;
 617         if (cfg->sshbug_hmac2 == BUG_AUTO) {
 618             gppi(sesskey, "BuggyMAC", 0, &i);
 619             if (i == 1)
 620                 cfg->sshbug_hmac2 = BUG_ON;
 621         }
 622     }
 623     gppi(sesskey, "BugDeriveKey2", BUG_AUTO, &i); cfg->sshbug_derivekey2 = i;
 624     gppi(sesskey, "BugRSAPad2", BUG_AUTO, &i); cfg->sshbug_rsapad2 = i;
 625     gppi(sesskey, "BugDHGEx2", BUG_AUTO, &i); cfg->sshbug_dhgex2 = i;
 626     gppi(sesskey, "StampUtmp", 1, &cfg->stamp_utmp);
 627     gppi(sesskey, "LoginShell", 1, &cfg->login_shell);
 628     gppi(sesskey, "ScrollbarOnLeft", 0, &cfg->scrollbar_on_left);
 629     gpps(sesskey, "BoldFont", "", cfg->boldfont, sizeof(cfg->boldfont));
 630     gppi(sesskey, "ShadowBoldOffset", 1, &cfg->shadowboldoffset);
 631 }
 632
 633 void do_defaults(char *session, Config * cfg)
 634 {
 635     if (session)
 636         load_settings(session, TRUE, cfg);
 637     else
 638         load_settings("Default Settings", FALSE, cfg);
 639 }
 640
 641 static int sessioncmp(const void *av, const void *bv)
 642 {
 643     const char *a = *(const char *const *) av;
 644     const char *b = *(const char *const *) bv;
 645
 646     /*
 647      * Alphabetical order, except that "Default Settings" is a
 648      * special case and comes first.
 649      */
 650     if (!strcmp(a, "Default Settings"))
 651         return -1;                     /* a comes first */
 652     if (!strcmp(b, "Default Settings"))
 653         return +1;                     /* b comes first */
 654     /*
 655      * FIXME: perhaps we should ignore the first & in determining
 656      * sort order.
 657      */
 658     return strcmp(a, b);               /* otherwise, compare normally */
 659 }
 660
 661 void get_sesslist(struct sesslist *list, int allocate)
 662 {
 663     char otherbuf[2048];
 664     int buflen, bufsize, i;
 665     char *p, *ret;
 666     void *handle;
 667
 668     if (allocate) {
 669
 670         buflen = bufsize = 0;
 671         list->buffer = NULL;
 672         if ((handle = enum_settings_start()) != NULL) {
 673             do {
 674                 ret = enum_settings_next(handle, otherbuf, sizeof(otherbuf));
 675                 if (ret) {
 676                     int len = strlen(otherbuf) + 1;
 677                     if (bufsize < buflen + len) {
 678                         bufsize = buflen + len + 2048;
 679                         list->buffer = srealloc(list->buffer, bufsize);
 680                     }
 681                     strcpy(list->buffer + buflen, otherbuf);
 682                     buflen += strlen(list->buffer + buflen) + 1;
 683                 }
 684             } while (ret);
 685             enum_settings_finish(handle);
 686         }
 687         list->buffer = srealloc(list->buffer, buflen + 1);
 688         list->buffer[buflen] = '\0';
 689
 690         /*
 691          * Now set up the list of sessions. Note that "Default
 692          * Settings" must always be claimed to exist, even if it
 693          * doesn't really.
 694          */
 695
 696         p = list->buffer;
 697         list->nsessions = 1;           /* "Default Settings" counts as one */
 698         while (*p) {
 699             if (strcmp(p, "Default Settings"))
 700                 list->nsessions++;
 701             while (*p)
 702                 p++;
 703             p++;
 704         }
 705
 706         list->sessions = smalloc((list->nsessions + 1) * sizeof(char *));
 707         list->sessions[0] = "Default Settings";
 708         p = list->buffer;
 709         i = 1;
 710         while (*p) {
 711             if (strcmp(p, "Default Settings"))
 712                 list->sessions[i++] = p;
 713             while (*p)
 714                 p++;
 715             p++;
 716         }
 717
 718         qsort(list->sessions, i, sizeof(char *), sessioncmp);
 719     } else {
 720         sfree(list->buffer);
 721         sfree(list->sessions);
 722     }
 723 }