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 /*
  41  * gppfont and gppfile cannot have local defaults, since the very
  42  * format of a Filename or Font is platform-dependent. So the
  43  * platform-dependent functions MUST return some sort of value.
  44  */
  45 static void gppfont(void *handle, const char *name, FontSpec *result)
  46 {
  47     if (!read_setting_fontspec(handle, name, result))
  48         *result = platform_default_fontspec(name);
  49 }
  50 static void gppfile(void *handle, const char *name, Filename *result)
  51 {
  52     if (!read_setting_filename(handle, name, result))
  53         *result = platform_default_filename(name);
  54 }
  55
  56 static void gppi(void *handle, char *name, int def, int *i)
  57 {
  58     def = platform_default_i(name, def);
  59     *i = read_setting_i(handle, name, def);
  60 }
  61
  62 static int key2val(const struct keyval *mapping, int nmaps, char *key)
  63 {
  64     int i;
  65     for (i = 0; i < nmaps; i++)
  66         if (!strcmp(mapping[i].s, key)) return mapping[i].v;
  67     return -1;
  68 }
  69
  70 static const char *val2key(const struct keyval *mapping, int nmaps, int val)
  71 {
  72     int i;
  73     for (i = 0; i < nmaps; i++)
  74         if (mapping[i].v == val) return mapping[i].s;
  75     return NULL;
  76 }
  77
  78 /*
  79  * Helper function to parse a comma-separated list of strings into
  80  * a preference list array of values. Any missing values are added
  81  * to the end and duplicates are weeded.
  82  * XXX: assumes vals in 'mapping' are small +ve integers
  83  */
  84 static void gprefs(void *sesskey, char *name, char *def,
  85                    const struct keyval *mapping, int nvals,
  86                    int *array)
  87 {
  88     char commalist[80];
  89     int n;
  90     unsigned long seen = 0;            /* bitmap for weeding dups etc */
  91     gpps(sesskey, name, def, commalist, sizeof(commalist));
  92
  93     /* Grotty parsing of commalist. */
  94     n = 0;
  95     do {
  96         int v;
  97         char *key;
  98         key = strtok(n==0 ? commalist : NULL, ","); /* sorry */
  99         if (!key) break;
 100         if (((v = key2val(mapping, nvals, key)) != -1) &&
 101             !(seen & 1<<v)) {
 102             array[n] = v;
 103             n++;
 104             seen |= 1<<v;
 105         }
 106     } while (n < nvals);
 107     /* Add any missing values (backward compatibility ect). */
 108     {
 109         int i;
 110         for (i = 0; i < nvals; i++) {
 111             if (!(seen & 1<<mapping[i].v)) {
 112                 array[n] = mapping[i].v;
 113                 n++;
 114             }
 115         }
 116     }
 117 }
 118
 119 /*
 120  * Write out a preference list.
 121  */
 122 static void wprefs(void *sesskey, char *name,
 123                    const struct keyval *mapping, int nvals,
 124                    int *array)
 125 {
 126     char buf[80] = "";  /* XXX assumed big enough */
 127     int l = sizeof(buf)-1, i;
 128     buf[l] = '\0';
 129     for (i = 0; l > 0 && i < nvals; i++) {
 130         const char *s = val2key(mapping, nvals, array[i]);
 131         if (s) {
 132             int sl = strlen(s);
 133             if (i > 0) {
 134                 strncat(buf, ",", l);
 135                 l--;
 136             }
 137             strncat(buf, s, l);
 138             l -= sl;
 139         }
 140     }
 141     write_setting_s(sesskey, name, buf);
 142 }
 143
 144 char *save_settings(char *section, int do_host, Config * cfg)
 145 {
 146     void *sesskey;
 147     char *errmsg;
 148
 149     sesskey = open_settings_w(section, &errmsg);
 150     if (!sesskey)
 151         return errmsg;
 152     save_open_settings(sesskey, do_host, cfg);
 153     close_settings_w(sesskey);
 154     return NULL;
 155 }
 156
 157 void save_open_settings(void *sesskey, int do_host, Config *cfg)
 158 {
 159     int i;
 160     char *p;
 161
 162     write_setting_i(sesskey, "Present", 1);
 163     if (do_host) {
 164         write_setting_s(sesskey, "HostName", cfg->host);
 165         write_setting_filename(sesskey, "LogFileName", cfg->logfilename);
 166         write_setting_i(sesskey, "LogType", cfg->logtype);
 167         write_setting_i(sesskey, "LogFileClash", cfg->logxfovr);
 168     }
 169     p = "raw";
 170     for (i = 0; backends[i].name != NULL; i++)
 171         if (backends[i].protocol == cfg->protocol) {
 172             p = backends[i].name;
 173             break;
 174         }
 175     write_setting_s(sesskey, "Protocol", p);
 176     write_setting_i(sesskey, "PortNumber", cfg->port);
 177     /* The CloseOnExit numbers are arranged in a different order from
 178      * the standard FORCE_ON / FORCE_OFF / AUTO. */
 179     write_setting_i(sesskey, "CloseOnExit", (cfg->close_on_exit+2)%3);
 180     write_setting_i(sesskey, "WarnOnClose", !!cfg->warn_on_close);
 181     write_setting_i(sesskey, "PingInterval", cfg->ping_interval / 60);  /* minutes */
 182     write_setting_i(sesskey, "PingIntervalSecs", cfg->ping_interval % 60);      /* seconds */
 183     write_setting_i(sesskey, "TCPNoDelay", cfg->tcp_nodelay);
 184     write_setting_s(sesskey, "TerminalType", cfg->termtype);
 185     write_setting_s(sesskey, "TerminalSpeed", cfg->termspeed);
 186
 187     /* proxy settings */
 188     write_setting_s(sesskey, "ProxyExcludeList", cfg->proxy_exclude_list);
 189     write_setting_i(sesskey, "ProxyDNS", (cfg->proxy_dns+2)%3);
 190     write_setting_i(sesskey, "ProxyLocalhost", cfg->even_proxy_localhost);
 191     write_setting_i(sesskey, "ProxyType", cfg->proxy_type);
 192     write_setting_s(sesskey, "ProxyHost", cfg->proxy_host);
 193     write_setting_i(sesskey, "ProxyPort", cfg->proxy_port);
 194     write_setting_s(sesskey, "ProxyUsername", cfg->proxy_username);
 195     write_setting_s(sesskey, "ProxyPassword", cfg->proxy_password);
 196     write_setting_s(sesskey, "ProxyTelnetCommand", cfg->proxy_telnet_command);
 197     write_setting_i(sesskey, "ProxySOCKSVersion", cfg->proxy_socks_version);
 198
 199     {
 200         char buf[2 * sizeof(cfg->environmt)], *p, *q;
 201         p = buf;
 202         q = cfg->environmt;
 203         while (*q) {
 204             while (*q) {
 205                 int c = *q++;
 206                 if (c == '=' || c == ',' || c == '\\')
 207                     *p++ = '\\';
 208                 if (c == '\t')
 209                     c = '=';
 210                 *p++ = c;
 211             }
 212             *p++ = ',';
 213             q++;
 214         }
 215         *p = '\0';
 216         write_setting_s(sesskey, "Environment", buf);
 217     }
 218     write_setting_s(sesskey, "UserName", cfg->username);
 219     write_setting_s(sesskey, "LocalUserName", cfg->localusername);
 220     write_setting_i(sesskey, "NoPTY", cfg->nopty);
 221     write_setting_i(sesskey, "Compression", cfg->compression);
 222     write_setting_i(sesskey, "AgentFwd", cfg->agentfwd);
 223     write_setting_i(sesskey, "ChangeUsername", cfg->change_username);
 224     wprefs(sesskey, "Cipher", ciphernames, CIPHER_MAX,
 225            cfg->ssh_cipherlist);
 226     write_setting_i(sesskey, "AuthTIS", cfg->try_tis_auth);
 227     write_setting_i(sesskey, "AuthKI", cfg->try_ki_auth);
 228     write_setting_i(sesskey, "SshProt", cfg->sshprot);
 229     write_setting_i(sesskey, "SSH2DES", cfg->ssh2_des_cbc);
 230     write_setting_filename(sesskey, "PublicKeyFile", cfg->keyfile);
 231     write_setting_s(sesskey, "RemoteCommand", cfg->remote_cmd);
 232     write_setting_i(sesskey, "RFCEnviron", cfg->rfc_environ);
 233     write_setting_i(sesskey, "PassiveTelnet", cfg->passive_telnet);
 234     write_setting_i(sesskey, "BackspaceIsDelete", cfg->bksp_is_delete);
 235     write_setting_i(sesskey, "RXVTHomeEnd", cfg->rxvt_homeend);
 236     write_setting_i(sesskey, "LinuxFunctionKeys", cfg->funky_type);
 237     write_setting_i(sesskey, "NoApplicationKeys", cfg->no_applic_k);
 238     write_setting_i(sesskey, "NoApplicationCursors", cfg->no_applic_c);
 239     write_setting_i(sesskey, "NoMouseReporting", cfg->no_mouse_rep);
 240     write_setting_i(sesskey, "NoRemoteResize", cfg->no_remote_resize);
 241     write_setting_i(sesskey, "NoAltScreen", cfg->no_alt_screen);
 242     write_setting_i(sesskey, "NoRemoteWinTitle", cfg->no_remote_wintitle);
 243     write_setting_i(sesskey, "NoDBackspace", cfg->no_dbackspace);
 244     write_setting_i(sesskey, "NoRemoteCharset", cfg->no_remote_charset);
 245     write_setting_i(sesskey, "ApplicationCursorKeys", cfg->app_cursor);
 246     write_setting_i(sesskey, "ApplicationKeypad", cfg->app_keypad);
 247     write_setting_i(sesskey, "NetHackKeypad", cfg->nethack_keypad);
 248     write_setting_i(sesskey, "AltF4", cfg->alt_f4);
 249     write_setting_i(sesskey, "AltSpace", cfg->alt_space);
 250     write_setting_i(sesskey, "AltOnly", cfg->alt_only);
 251     write_setting_i(sesskey, "ComposeKey", cfg->compose_key);
 252     write_setting_i(sesskey, "CtrlAltKeys", cfg->ctrlaltkeys);
 253     write_setting_i(sesskey, "TelnetKey", cfg->telnet_keyboard);
 254     write_setting_i(sesskey, "TelnetRet", cfg->telnet_newline);
 255     write_setting_i(sesskey, "LocalEcho", cfg->localecho);
 256     write_setting_i(sesskey, "LocalEdit", cfg->localedit);
 257     write_setting_s(sesskey, "Answerback", cfg->answerback);
 258     write_setting_i(sesskey, "AlwaysOnTop", cfg->alwaysontop);
 259     write_setting_i(sesskey, "FullScreenOnAltEnter", cfg->fullscreenonaltenter);
 260     write_setting_i(sesskey, "HideMousePtr", cfg->hide_mouseptr);
 261     write_setting_i(sesskey, "SunkenEdge", cfg->sunken_edge);
 262     write_setting_i(sesskey, "WindowBorder", cfg->window_border);
 263     write_setting_i(sesskey, "CurType", cfg->cursor_type);
 264     write_setting_i(sesskey, "BlinkCur", cfg->blink_cur);
 265     write_setting_i(sesskey, "Beep", cfg->beep);
 266     write_setting_i(sesskey, "BeepInd", cfg->beep_ind);
 267     write_setting_filename(sesskey, "BellWaveFile", cfg->bell_wavefile);
 268     write_setting_i(sesskey, "BellOverload", cfg->bellovl);
 269     write_setting_i(sesskey, "BellOverloadN", cfg->bellovl_n);
 270     write_setting_i(sesskey, "BellOverloadT", cfg->bellovl_t);
 271     write_setting_i(sesskey, "BellOverloadS", cfg->bellovl_s);
 272     write_setting_i(sesskey, "ScrollbackLines", cfg->savelines);
 273     write_setting_i(sesskey, "DECOriginMode", cfg->dec_om);
 274     write_setting_i(sesskey, "AutoWrapMode", cfg->wrap_mode);
 275     write_setting_i(sesskey, "LFImpliesCR", cfg->lfhascr);
 276     write_setting_i(sesskey, "WinNameAlways", cfg->win_name_always);
 277     write_setting_s(sesskey, "WinTitle", cfg->wintitle);
 278     write_setting_i(sesskey, "TermWidth", cfg->width);
 279     write_setting_i(sesskey, "TermHeight", cfg->height);
 280     write_setting_fontspec(sesskey, "Font", cfg->font);
 281     write_setting_i(sesskey, "FontVTMode", cfg->vtmode);
 282     write_setting_i(sesskey, "TryPalette", cfg->try_palette);
 283     write_setting_i(sesskey, "BoldAsColour", cfg->bold_colour);
 284     for (i = 0; i < 22; i++) {
 285         char buf[20], buf2[30];
 286         sprintf(buf, "Colour%d", i);
 287         sprintf(buf2, "%d,%d,%d", cfg->colours[i][0],
 288                 cfg->colours[i][1], cfg->colours[i][2]);
 289         write_setting_s(sesskey, buf, buf2);
 290     }
 291     write_setting_i(sesskey, "RawCNP", cfg->rawcnp);
 292     write_setting_i(sesskey, "PasteRTF", cfg->rtf_paste);
 293     write_setting_i(sesskey, "MouseIsXterm", cfg->mouse_is_xterm);
 294     write_setting_i(sesskey, "RectSelect", cfg->rect_select);
 295     write_setting_i(sesskey, "MouseOverride", cfg->mouse_override);
 296     for (i = 0; i < 256; i += 32) {
 297         char buf[20], buf2[256];
 298         int j;
 299         sprintf(buf, "Wordness%d", i);
 300         *buf2 = '\0';
 301         for (j = i; j < i + 32; j++) {
 302             sprintf(buf2 + strlen(buf2), "%s%d",
 303                     (*buf2 ? "," : ""), cfg->wordness[j]);
 304         }
 305         write_setting_s(sesskey, buf, buf2);
 306     }
 307     write_setting_s(sesskey, "LineCodePage", cfg->line_codepage);
 308     write_setting_s(sesskey, "Printer", cfg->printer);
 309     write_setting_i(sesskey, "CapsLockCyr", cfg->xlat_capslockcyr);
 310     write_setting_i(sesskey, "ScrollBar", cfg->scrollbar);
 311     write_setting_i(sesskey, "ScrollBarFullScreen", cfg->scrollbar_in_fullscreen);
 312     write_setting_i(sesskey, "ScrollOnKey", cfg->scroll_on_key);
 313     write_setting_i(sesskey, "ScrollOnDisp", cfg->scroll_on_disp);
 314     write_setting_i(sesskey, "EraseToScrollback", cfg->erase_to_scrollback);
 315     write_setting_i(sesskey, "LockSize", cfg->resize_action);
 316     write_setting_i(sesskey, "BCE", cfg->bce);
 317     write_setting_i(sesskey, "BlinkText", cfg->blinktext);
 318     write_setting_i(sesskey, "X11Forward", cfg->x11_forward);
 319     write_setting_s(sesskey, "X11Display", cfg->x11_display);
 320     write_setting_i(sesskey, "X11AuthType", cfg->x11_auth);
 321     write_setting_i(sesskey, "LocalPortAcceptAll", cfg->lport_acceptall);
 322     write_setting_i(sesskey, "RemotePortAcceptAll", cfg->rport_acceptall);
 323     {
 324         char buf[2 * sizeof(cfg->portfwd)], *p, *q;
 325         p = buf;
 326         q = cfg->portfwd;
 327         while (*q) {
 328             while (*q) {
 329                 int c = *q++;
 330                 if (c == '=' || c == ',' || c == '\\')
 331                     *p++ = '\\';
 332                 if (c == '\t')
 333                     c = '=';
 334                 *p++ = c;
 335             }
 336             *p++ = ',';
 337             q++;
 338         }
 339         *p = '\0';
 340         write_setting_s(sesskey, "PortForwardings", buf);
 341     }
 342     write_setting_i(sesskey, "BugIgnore1", 2-cfg->sshbug_ignore1);
 343     write_setting_i(sesskey, "BugPlainPW1", 2-cfg->sshbug_plainpw1);
 344     write_setting_i(sesskey, "BugRSA1", 2-cfg->sshbug_rsa1);
 345     write_setting_i(sesskey, "BugHMAC2", 2-cfg->sshbug_hmac2);
 346     write_setting_i(sesskey, "BugDeriveKey2", 2-cfg->sshbug_derivekey2);
 347     write_setting_i(sesskey, "BugRSAPad2", 2-cfg->sshbug_rsapad2);
 348     write_setting_i(sesskey, "BugDHGEx2", 2-cfg->sshbug_dhgex2);
 349     write_setting_i(sesskey, "BugPKSessID2", 2-cfg->sshbug_pksessid2);
 350     write_setting_i(sesskey, "StampUtmp", cfg->stamp_utmp);
 351     write_setting_i(sesskey, "LoginShell", cfg->login_shell);
 352     write_setting_i(sesskey, "ScrollbarOnLeft", cfg->scrollbar_on_left);
 353     write_setting_fontspec(sesskey, "BoldFont", cfg->boldfont);
 354     write_setting_i(sesskey, "ShadowBoldOffset", cfg->shadowboldoffset);
 355 }
 356
 357 void load_settings(char *section, int do_host, Config * cfg)
 358 {
 359     void *sesskey;
 360
 361     sesskey = open_settings_r(section);
 362     load_open_settings(sesskey, do_host, cfg);
 363     close_settings_r(sesskey);
 364 }
 365
 366 void load_open_settings(void *sesskey, int do_host, Config *cfg)
 367 {
 368     int i;
 369     char prot[10];
 370
 371     cfg->ssh_subsys = 0;               /* FIXME: load this properly */
 372     cfg->remote_cmd_ptr = cfg->remote_cmd;
 373     cfg->remote_cmd_ptr2 = NULL;
 374
 375     if (do_host) {
 376         gpps(sesskey, "HostName", "", cfg->host, sizeof(cfg->host));
 377     } else {
 378         cfg->host[0] = '\0';           /* blank hostname */
 379     }
 380     gppfile(sesskey, "LogFileName", &cfg->logfilename);
 381     gppi(sesskey, "LogType", 0, &cfg->logtype);
 382     gppi(sesskey, "LogFileClash", LGXF_ASK, &cfg->logxfovr);
 383
 384     gpps(sesskey, "Protocol", "default", prot, 10);
 385     cfg->protocol = default_protocol;
 386     cfg->port = default_port;
 387     for (i = 0; backends[i].name != NULL; i++)
 388         if (!strcmp(prot, backends[i].name)) {
 389             cfg->protocol = backends[i].protocol;
 390             gppi(sesskey, "PortNumber", default_port, &cfg->port);
 391             break;
 392         }
 393
 394     /* The CloseOnExit numbers are arranged in a different order from
 395      * the standard FORCE_ON / FORCE_OFF / AUTO. */
 396     gppi(sesskey, "CloseOnExit", 1, &i); cfg->close_on_exit = (i+1)%3;
 397     gppi(sesskey, "WarnOnClose", 1, &cfg->warn_on_close);
 398     {
 399         /* This is two values for backward compatibility with 0.50/0.51 */
 400         int pingmin, pingsec;
 401         gppi(sesskey, "PingInterval", 0, &pingmin);
 402         gppi(sesskey, "PingIntervalSecs", 0, &pingsec);
 403         cfg->ping_interval = pingmin * 60 + pingsec;
 404     }
 405     gppi(sesskey, "TCPNoDelay", 1, &cfg->tcp_nodelay);
 406     gpps(sesskey, "TerminalType", "xterm", cfg->termtype,
 407          sizeof(cfg->termtype));
 408     gpps(sesskey, "TerminalSpeed", "38400,38400", cfg->termspeed,
 409          sizeof(cfg->termspeed));
 410
 411     /* proxy settings */
 412     gpps(sesskey, "ProxyExcludeList", "", cfg->proxy_exclude_list,
 413          sizeof(cfg->proxy_exclude_list));
 414     gppi(sesskey, "ProxyDNS", 1, &i); cfg->proxy_dns = (i+1)%3;
 415     gppi(sesskey, "ProxyLocalhost", 0, &cfg->even_proxy_localhost);
 416     gppi(sesskey, "ProxyType", PROXY_NONE, &cfg->proxy_type);
 417     gpps(sesskey, "ProxyHost", "proxy", cfg->proxy_host,
 418          sizeof(cfg->proxy_host));
 419     gppi(sesskey, "ProxyPort", 80, &cfg->proxy_port);
 420     gpps(sesskey, "ProxyUsername", "", cfg->proxy_username,
 421          sizeof(cfg->proxy_username));
 422     gpps(sesskey, "ProxyPassword", "", cfg->proxy_password,
 423          sizeof(cfg->proxy_password));
 424     gpps(sesskey, "ProxyTelnetCommand", "connect %host %port\\n",
 425          cfg->proxy_telnet_command, sizeof(cfg->proxy_telnet_command));
 426     gppi(sesskey, "ProxySOCKSVersion", 5, &cfg->proxy_socks_version);
 427
 428     {
 429         char buf[2 * sizeof(cfg->environmt)], *p, *q;
 430         gpps(sesskey, "Environment", "", buf, sizeof(buf));
 431         p = buf;
 432         q = cfg->environmt;
 433         while (*p) {
 434             while (*p && *p != ',') {
 435                 int c = *p++;
 436                 if (c == '=')
 437                     c = '\t';
 438                 if (c == '\\')
 439                     c = *p++;
 440                 *q++ = c;
 441             }
 442             if (*p == ',')
 443                 p++;
 444             *q++ = '\0';
 445         }
 446         *q = '\0';
 447     }
 448     gpps(sesskey, "UserName", "", cfg->username, sizeof(cfg->username));
 449     gpps(sesskey, "LocalUserName", "", cfg->localusername,
 450          sizeof(cfg->localusername));
 451     gppi(sesskey, "NoPTY", 0, &cfg->nopty);
 452     gppi(sesskey, "Compression", 0, &cfg->compression);
 453     gppi(sesskey, "AgentFwd", 0, &cfg->agentfwd);
 454     gppi(sesskey, "ChangeUsername", 0, &cfg->change_username);
 455     gprefs(sesskey, "Cipher", "\0",
 456            ciphernames, CIPHER_MAX, cfg->ssh_cipherlist);
 457     gppi(sesskey, "SshProt", 2, &cfg->sshprot);
 458     gppi(sesskey, "SSH2DES", 0, &cfg->ssh2_des_cbc);
 459     gppi(sesskey, "AuthTIS", 0, &cfg->try_tis_auth);
 460     gppi(sesskey, "AuthKI", 1, &cfg->try_ki_auth);
 461     gppfile(sesskey, "PublicKeyFile", &cfg->keyfile);
 462     gpps(sesskey, "RemoteCommand", "", cfg->remote_cmd,
 463          sizeof(cfg->remote_cmd));
 464     gppi(sesskey, "RFCEnviron", 0, &cfg->rfc_environ);
 465     gppi(sesskey, "PassiveTelnet", 0, &cfg->passive_telnet);
 466     gppi(sesskey, "BackspaceIsDelete", 1, &cfg->bksp_is_delete);
 467     gppi(sesskey, "RXVTHomeEnd", 0, &cfg->rxvt_homeend);
 468     gppi(sesskey, "LinuxFunctionKeys", 0, &cfg->funky_type);
 469     gppi(sesskey, "NoApplicationKeys", 0, &cfg->no_applic_k);
 470     gppi(sesskey, "NoApplicationCursors", 0, &cfg->no_applic_c);
 471     gppi(sesskey, "NoMouseReporting", 0, &cfg->no_mouse_rep);
 472     gppi(sesskey, "NoRemoteResize", 0, &cfg->no_remote_resize);
 473     gppi(sesskey, "NoAltScreen", 0, &cfg->no_alt_screen);
 474     gppi(sesskey, "NoRemoteWinTitle", 0, &cfg->no_remote_wintitle);
 475     gppi(sesskey, "NoDBackspace", 0, &cfg->no_dbackspace);
 476     gppi(sesskey, "NoRemoteCharset", 0, &cfg->no_remote_charset);
 477     gppi(sesskey, "ApplicationCursorKeys", 0, &cfg->app_cursor);
 478     gppi(sesskey, "ApplicationKeypad", 0, &cfg->app_keypad);
 479     gppi(sesskey, "NetHackKeypad", 0, &cfg->nethack_keypad);
 480     gppi(sesskey, "AltF4", 1, &cfg->alt_f4);
 481     gppi(sesskey, "AltSpace", 0, &cfg->alt_space);
 482     gppi(sesskey, "AltOnly", 0, &cfg->alt_only);
 483     gppi(sesskey, "ComposeKey", 0, &cfg->compose_key);
 484     gppi(sesskey, "CtrlAltKeys", 1, &cfg->ctrlaltkeys);
 485     gppi(sesskey, "TelnetKey", 0, &cfg->telnet_keyboard);
 486     gppi(sesskey, "TelnetRet", 1, &cfg->telnet_newline);
 487     gppi(sesskey, "LocalEcho", AUTO, &cfg->localecho);
 488     gppi(sesskey, "LocalEdit", AUTO, &cfg->localedit);
 489     gpps(sesskey, "Answerback", "PuTTY", cfg->answerback,
 490          sizeof(cfg->answerback));
 491     gppi(sesskey, "AlwaysOnTop", 0, &cfg->alwaysontop);
 492     gppi(sesskey, "FullScreenOnAltEnter", 0, &cfg->fullscreenonaltenter);
 493     gppi(sesskey, "HideMousePtr", 0, &cfg->hide_mouseptr);
 494     gppi(sesskey, "SunkenEdge", 0, &cfg->sunken_edge);
 495     gppi(sesskey, "WindowBorder", 1, &cfg->window_border);
 496     gppi(sesskey, "CurType", 0, &cfg->cursor_type);
 497     gppi(sesskey, "BlinkCur", 0, &cfg->blink_cur);
 498     /* pedantic compiler tells me I can't use &cfg->beep as an int * :-) */
 499     gppi(sesskey, "Beep", 1, &cfg->beep);
 500     gppi(sesskey, "BeepInd", 0, &cfg->beep_ind);
 501     gppfile(sesskey, "BellWaveFile", &cfg->bell_wavefile);
 502     gppi(sesskey, "BellOverload", 1, &cfg->bellovl);
 503     gppi(sesskey, "BellOverloadN", 5, &cfg->bellovl_n);
 504     gppi(sesskey, "BellOverloadT", 2*TICKSPERSEC, &cfg->bellovl_t);
 505     gppi(sesskey, "BellOverloadS", 5*TICKSPERSEC, &cfg->bellovl_s);
 506     gppi(sesskey, "ScrollbackLines", 200, &cfg->savelines);
 507     gppi(sesskey, "DECOriginMode", 0, &cfg->dec_om);
 508     gppi(sesskey, "AutoWrapMode", 1, &cfg->wrap_mode);
 509     gppi(sesskey, "LFImpliesCR", 0, &cfg->lfhascr);
 510     gppi(sesskey, "WinNameAlways", 1, &cfg->win_name_always);
 511     gpps(sesskey, "WinTitle", "", cfg->wintitle, sizeof(cfg->wintitle));
 512     gppi(sesskey, "TermWidth", 80, &cfg->width);
 513     gppi(sesskey, "TermHeight", 24, &cfg->height);
 514     gppfont(sesskey, "Font", &cfg->font);
 515     gppi(sesskey, "FontVTMode", VT_UNICODE, (int *) &cfg->vtmode);
 516     gppi(sesskey, "TryPalette", 0, &cfg->try_palette);
 517     gppi(sesskey, "BoldAsColour", 1, &cfg->bold_colour);
 518     for (i = 0; i < 22; i++) {
 519         static const char *const defaults[] = {
 520             "187,187,187", "255,255,255", "0,0,0", "85,85,85", "0,0,0",
 521             "0,255,0", "0,0,0", "85,85,85", "187,0,0", "255,85,85",
 522             "0,187,0", "85,255,85", "187,187,0", "255,255,85", "0,0,187",
 523             "85,85,255", "187,0,187", "255,85,255", "0,187,187",
 524             "85,255,255", "187,187,187", "255,255,255"
 525         };
 526         char buf[20], buf2[30];
 527         int c0, c1, c2;
 528         sprintf(buf, "Colour%d", i);
 529         gpps(sesskey, buf, defaults[i], buf2, sizeof(buf2));
 530         if (sscanf(buf2, "%d,%d,%d", &c0, &c1, &c2) == 3) {
 531             cfg->colours[i][0] = c0;
 532             cfg->colours[i][1] = c1;
 533             cfg->colours[i][2] = c2;
 534         }
 535     }
 536     gppi(sesskey, "RawCNP", 0, &cfg->rawcnp);
 537     gppi(sesskey, "PasteRTF", 0, &cfg->rtf_paste);
 538     gppi(sesskey, "MouseIsXterm", 0, &cfg->mouse_is_xterm);
 539     gppi(sesskey, "RectSelect", 0, &cfg->rect_select);
 540     gppi(sesskey, "MouseOverride", 1, &cfg->mouse_override);
 541     for (i = 0; i < 256; i += 32) {
 542         static const char *const defaults[] = {
 543             "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",
 544             "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",
 545             "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",
 546             "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",
 547             "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",
 548             "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",
 549             "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",
 550             "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"
 551         };
 552         char buf[20], buf2[256], *p;
 553         int j;
 554         sprintf(buf, "Wordness%d", i);
 555         gpps(sesskey, buf, defaults[i / 32], buf2, sizeof(buf2));
 556         p = buf2;
 557         for (j = i; j < i + 32; j++) {
 558             char *q = p;
 559             while (*p && *p != ',')
 560                 p++;
 561             if (*p == ',')
 562                 *p++ = '\0';
 563             cfg->wordness[j] = atoi(q);
 564         }
 565     }
 566     /*
 567      * The empty default for LineCodePage will be converted later
 568      * into a plausible default for the locale.
 569      */
 570     gpps(sesskey, "LineCodePage", "", cfg->line_codepage,
 571          sizeof(cfg->line_codepage));
 572     gpps(sesskey, "Printer", "", cfg->printer, sizeof(cfg->printer));
 573     gppi (sesskey, "CapsLockCyr", 0, &cfg->xlat_capslockcyr);
 574     gppi(sesskey, "ScrollBar", 1, &cfg->scrollbar);
 575     gppi(sesskey, "ScrollBarFullScreen", 0, &cfg->scrollbar_in_fullscreen);
 576     gppi(sesskey, "ScrollOnKey", 0, &cfg->scroll_on_key);
 577     gppi(sesskey, "ScrollOnDisp", 1, &cfg->scroll_on_disp);
 578     gppi(sesskey, "EraseToScrollback", 1, &cfg->erase_to_scrollback);
 579     gppi(sesskey, "LockSize", 0, &cfg->resize_action);
 580     gppi(sesskey, "BCE", 1, &cfg->bce);
 581     gppi(sesskey, "BlinkText", 0, &cfg->blinktext);
 582     gppi(sesskey, "X11Forward", 0, &cfg->x11_forward);
 583     gpps(sesskey, "X11Display", "localhost:0", cfg->x11_display,
 584          sizeof(cfg->x11_display));
 585     gppi(sesskey, "X11AuthType", X11_MIT, &cfg->x11_auth);
 586
 587     gppi(sesskey, "LocalPortAcceptAll", 0, &cfg->lport_acceptall);
 588     gppi(sesskey, "RemotePortAcceptAll", 0, &cfg->rport_acceptall);
 589     {
 590         char buf[2 * sizeof(cfg->portfwd)], *p, *q;
 591         gpps(sesskey, "PortForwardings", "", buf, sizeof(buf));
 592         p = buf;
 593         q = cfg->portfwd;
 594         while (*p) {
 595             while (*p && *p != ',') {
 596                 int c = *p++;
 597                 if (c == '=')
 598                     c = '\t';
 599                 if (c == '\\')
 600                     c = *p++;
 601                 *q++ = c;
 602             }
 603             if (*p == ',')
 604                 p++;
 605             *q++ = '\0';
 606         }
 607         *q = '\0';
 608     }
 609     gppi(sesskey, "BugIgnore1", 0, &i); cfg->sshbug_ignore1 = 2-i;
 610     gppi(sesskey, "BugPlainPW1", 0, &i); cfg->sshbug_plainpw1 = 2-i;
 611     gppi(sesskey, "BugRSA1", 0, &i); cfg->sshbug_rsa1 = 2-i;
 612     {
 613         int i;
 614         gppi(sesskey, "BugHMAC2", 0, &i); cfg->sshbug_hmac2 = 2-i;
 615         if (cfg->sshbug_hmac2 == AUTO) {
 616             gppi(sesskey, "BuggyMAC", 0, &i);
 617             if (i == 1)
 618                 cfg->sshbug_hmac2 = FORCE_ON;
 619         }
 620     }
 621     gppi(sesskey, "BugDeriveKey2", 0, &i); cfg->sshbug_derivekey2 = 2-i;
 622     gppi(sesskey, "BugRSAPad2", 0, &i); cfg->sshbug_rsapad2 = 2-i;
 623     gppi(sesskey, "BugDHGEx2", 0, &i); cfg->sshbug_dhgex2 = 2-i;
 624     gppi(sesskey, "BugPKSessID2", 0, &i); cfg->sshbug_pksessid2 = 2-i;
 625     gppi(sesskey, "StampUtmp", 1, &cfg->stamp_utmp);
 626     gppi(sesskey, "LoginShell", 1, &cfg->login_shell);
 627     gppi(sesskey, "ScrollbarOnLeft", 0, &cfg->scrollbar_on_left);
 628     gppfont(sesskey, "BoldFont", &cfg->boldfont);
 629     gppfont(sesskey, "WideFont", &cfg->widefont);
 630     gppfont(sesskey, "WideBoldFont", &cfg->wideboldfont);
 631     gppi(sesskey, "ShadowBoldOffset", 1, &cfg->shadowboldoffset);
 632 }
 633
 634 void do_defaults(char *session, Config * cfg)
 635 {
 636     load_settings(session, (session != NULL && *session), cfg);
 637 }
 638
 639 static int sessioncmp(const void *av, const void *bv)
 640 {
 641     const char *a = *(const char *const *) av;
 642     const char *b = *(const char *const *) bv;
 643
 644     /*
 645      * Alphabetical order, except that "Default Settings" is a
 646      * special case and comes first.
 647      */
 648     if (!strcmp(a, "Default Settings"))
 649         return -1;                     /* a comes first */
 650     if (!strcmp(b, "Default Settings"))
 651         return +1;                     /* b comes first */
 652     /*
 653      * FIXME: perhaps we should ignore the first & in determining
 654      * sort order.
 655      */
 656     return strcmp(a, b);               /* otherwise, compare normally */
 657 }
 658
 659 void get_sesslist(struct sesslist *list, int allocate)
 660 {
 661     char otherbuf[2048];
 662     int buflen, bufsize, i;
 663     char *p, *ret;
 664     void *handle;
 665
 666     if (allocate) {
 667
 668         buflen = bufsize = 0;
 669         list->buffer = NULL;
 670         if ((handle = enum_settings_start()) != NULL) {
 671             do {
 672                 ret = enum_settings_next(handle, otherbuf, sizeof(otherbuf));
 673                 if (ret) {
 674                     int len = strlen(otherbuf) + 1;
 675                     if (bufsize < buflen + len) {
 676                         bufsize = buflen + len + 2048;
 677                         list->buffer = sresize(list->buffer, bufsize, char);
 678                     }
 679                     strcpy(list->buffer + buflen, otherbuf);
 680                     buflen += strlen(list->buffer + buflen) + 1;
 681                 }
 682             } while (ret);
 683             enum_settings_finish(handle);
 684         }
 685         list->buffer = sresize(list->buffer, buflen + 1, char);
 686         list->buffer[buflen] = '\0';
 687
 688         /*
 689          * Now set up the list of sessions. Note that "Default
 690          * Settings" must always be claimed to exist, even if it
 691          * doesn't really.
 692          */
 693
 694         p = list->buffer;
 695         list->nsessions = 1;           /* "Default Settings" counts as one */
 696         while (*p) {
 697             if (strcmp(p, "Default Settings"))
 698                 list->nsessions++;
 699             while (*p)
 700                 p++;
 701             p++;
 702         }
 703
 704         list->sessions = snewn(list->nsessions + 1, char *);
 705         list->sessions[0] = "Default Settings";
 706         p = list->buffer;
 707         i = 1;
 708         while (*p) {
 709             if (strcmp(p, "Default Settings"))
 710                 list->sessions[i++] = p;
 711             while (*p)
 712                 p++;
 713             p++;
 714         }
 715
 716         qsort(list->sessions, i, sizeof(char *), sessioncmp);
 717     } else {
 718         sfree(list->buffer);
 719         sfree(list->sessions);
 720     }
 721 }