settings.c

   1 /*
   2  * settings.c: read and write saved sessions. (platform-independent)
   3  */
   4
   5 #include <assert.h>
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8 #include "putty.h"
   9 #include "storage.h"
  10
  11 /*
  12  * Tables of string <-> enum value mappings
  13  */
  14 struct keyval { char *s; int v; };
  15
  16 /* The cipher order given here is the default order. */
  17 static const struct keyval ciphernames[] = {
  18     { "aes",        CIPHER_AES },
  19     { "blowfish",   CIPHER_BLOWFISH },
  20     { "3des",       CIPHER_3DES },
  21     { "WARN",       CIPHER_WARN },
  22     { "arcfour",    CIPHER_ARCFOUR },
  23     { "des",        CIPHER_DES }
  24 };
  25
  26 static const struct keyval kexnames[] = {
  27     { "dh-gex-sha1",        KEX_DHGEX },
  28     { "dh-group14-sha1",    KEX_DHGROUP14 },
  29     { "dh-group1-sha1",     KEX_DHGROUP1 },
  30     { "WARN",               KEX_WARN }
  31 };
  32
  33 /*
  34  * All the terminal modes that we know about for the "TerminalModes"
  35  * setting. (Also used by config.c for the drop-down list.)
  36  * This is currently precisely the same as the set in ssh.c, but could
  37  * in principle differ if other backends started to support tty modes
  38  * (e.g., the pty backend).
  39  */
  40 const char *const ttymodes[] = {
  41     "INTR",     "QUIT",     "ERASE",    "KILL",     "EOF",
  42     "EOL",      "EOL2",     "START",    "STOP",     "SUSP",
  43     "DSUSP",    "REPRINT",  "WERASE",   "LNEXT",    "FLUSH",
  44     "SWTCH",    "STATUS",   "DISCARD",  "IGNPAR",   "PARMRK",
  45     "INPCK",    "ISTRIP",   "INLCR",    "IGNCR",    "ICRNL",
  46     "IUCLC",    "IXON",     "IXANY",    "IXOFF",    "IMAXBEL",
  47     "ISIG",     "ICANON",   "XCASE",    "ECHO",     "ECHOE",
  48     "ECHOK",    "ECHONL",   "NOFLSH",   "TOSTOP",   "IEXTEN",
  49     "ECHOCTL",  "ECHOKE",   "PENDIN",   "OPOST",    "OLCUC",
  50     "ONLCR",    "OCRNL",    "ONOCR",    "ONLRET",   "CS7",
  51     "CS8",      "PARENB",   "PARODD",   NULL
  52 };
  53
  54 static void gpps(void *handle, const char *name, const char *def,
  55                  char *val, int len)
  56 {
  57     if (!read_setting_s(handle, name, val, len)) {
  58         char *pdef;
  59
  60         pdef = platform_default_s(name);
  61         if (pdef) {
  62             strncpy(val, pdef, len);
  63             sfree(pdef);
  64         } else {
  65             strncpy(val, def, len);
  66         }
  67
  68         val[len - 1] = '\0';
  69     }
  70 }
  71
  72 /*
  73  * gppfont and gppfile cannot have local defaults, since the very
  74  * format of a Filename or Font is platform-dependent. So the
  75  * platform-dependent functions MUST return some sort of value.
  76  */
  77 static void gppfont(void *handle, const char *name, FontSpec *result)
  78 {
  79     if (!read_setting_fontspec(handle, name, result))
  80         *result = platform_default_fontspec(name);
  81 }
  82 static void gppfile(void *handle, const char *name, Filename *result)
  83 {
  84     if (!read_setting_filename(handle, name, result))
  85         *result = platform_default_filename(name);
  86 }
  87
  88 static void gppi(void *handle, char *name, int def, int *i)
  89 {
  90     def = platform_default_i(name, def);
  91     *i = read_setting_i(handle, name, def);
  92 }
  93
  94 /*
  95  * Read a set of name-value pairs in the format we occasionally use:
  96  *   NAME\tVALUE\0NAME\tVALUE\0\0 in memory
  97  *   NAME=VALUE,NAME=VALUE, in storage
  98  * `def' is in the storage format.
  99  */
 100 static void gppmap(void *handle, char *name, char *def, char *val, int len)
 101 {
 102     char *buf = snewn(2*len, char), *p, *q;
 103     gpps(handle, name, def, buf, 2*len);
 104     p = buf;
 105     q = val;
 106     while (*p) {
 107         while (*p && *p != ',') {
 108             int c = *p++;
 109             if (c == '=')
 110                 c = '\t';
 111             if (c == '\\')
 112                 c = *p++;
 113             *q++ = c;
 114         }
 115         if (*p == ',')
 116             p++;
 117         *q++ = '\0';
 118     }
 119     *q = '\0';
 120     sfree(buf);
 121 }
 122
 123 /*
 124  * Write a set of name/value pairs in the above format.
 125  */
 126 static void wmap(void *handle, char const *key, char const *value, int len)
 127 {
 128     char *buf = snewn(2*len, char), *p;
 129     const char *q;
 130     p = buf;
 131     q = value;
 132     while (*q) {
 133         while (*q) {
 134             int c = *q++;
 135             if (c == '=' || c == ',' || c == '\\')
 136                 *p++ = '\\';
 137             if (c == '\t')
 138                 c = '=';
 139             *p++ = c;
 140         }
 141         *p++ = ',';
 142         q++;
 143     }
 144     *p = '\0';
 145     write_setting_s(handle, key, buf);
 146     sfree(buf);
 147 }
 148
 149 static int key2val(const struct keyval *mapping, int nmaps, char *key)
 150 {
 151     int i;
 152     for (i = 0; i < nmaps; i++)
 153         if (!strcmp(mapping[i].s, key)) return mapping[i].v;
 154     return -1;
 155 }
 156
 157 static const char *val2key(const struct keyval *mapping, int nmaps, int val)
 158 {
 159     int i;
 160     for (i = 0; i < nmaps; i++)
 161         if (mapping[i].v == val) return mapping[i].s;
 162     return NULL;
 163 }
 164
 165 /*
 166  * Helper function to parse a comma-separated list of strings into
 167  * a preference list array of values. Any missing values are added
 168  * to the end and duplicates are weeded.
 169  * XXX: assumes vals in 'mapping' are small +ve integers
 170  */
 171 static void gprefs(void *sesskey, char *name, char *def,
 172                    const struct keyval *mapping, int nvals,
 173                    int *array)
 174 {
 175     char commalist[80];
 176     char *tokarg = commalist;
 177     int n;
 178     unsigned long seen = 0;            /* bitmap for weeding dups etc */
 179     gpps(sesskey, name, def, commalist, sizeof(commalist));
 180
 181     /* Grotty parsing of commalist. */
 182     n = 0;
 183     do {
 184         int v;
 185         char *key;
 186         key = strtok(tokarg, ","); /* sorry */
 187         tokarg = NULL;
 188         if (!key) break;
 189         if (((v = key2val(mapping, nvals, key)) != -1) &&
 190             !(seen & 1<<v)) {
 191             array[n] = v;
 192             n++;
 193             seen |= 1<<v;
 194         }
 195     } while (n < nvals);
 196     /* Add any missing values (backward compatibility ect). */
 197     {
 198         int i;
 199         for (i = 0; i < nvals; i++) {
 200             assert(mapping[i].v < 32);
 201             if (!(seen & 1<<mapping[i].v)) {
 202                 array[n] = mapping[i].v;
 203                 n++;
 204             }
 205         }
 206     }
 207 }
 208
 209 /*
 210  * Write out a preference list.
 211  */
 212 static void wprefs(void *sesskey, char *name,
 213                    const struct keyval *mapping, int nvals,
 214                    int *array)
 215 {
 216     char buf[80] = "";  /* XXX assumed big enough */
 217     int l = sizeof(buf)-1, i;
 218     buf[l] = '\0';
 219     for (i = 0; l > 0 && i < nvals; i++) {
 220         const char *s = val2key(mapping, nvals, array[i]);
 221         if (s) {
 222             int sl = strlen(s);
 223             if (i > 0) {
 224                 strncat(buf, ",", l);
 225                 l--;
 226             }
 227             strncat(buf, s, l);
 228             l -= sl;
 229         }
 230     }
 231     write_setting_s(sesskey, name, buf);
 232 }
 233
 234 char *save_settings(char *section, int do_host, Config * cfg)
 235 {
 236     void *sesskey;
 237     char *errmsg;
 238
 239     sesskey = open_settings_w(section, &errmsg);
 240     if (!sesskey)
 241         return errmsg;
 242     save_open_settings(sesskey, do_host, cfg);
 243     close_settings_w(sesskey);
 244     return NULL;
 245 }
 246
 247 void save_open_settings(void *sesskey, int do_host, Config *cfg)
 248 {
 249     int i;
 250     char *p;
 251
 252     write_setting_i(sesskey, "Present", 1);
 253     if (do_host) {
 254         write_setting_s(sesskey, "HostName", cfg->host);
 255     }
 256     write_setting_filename(sesskey, "LogFileName", cfg->logfilename);
 257     write_setting_i(sesskey, "LogType", cfg->logtype);
 258     write_setting_i(sesskey, "LogFileClash", cfg->logxfovr);
 259     write_setting_i(sesskey, "LogFlush", cfg->logflush);
 260     write_setting_i(sesskey, "SSHLogOmitPasswords", cfg->logomitpass);
 261     write_setting_i(sesskey, "SSHLogOmitData", cfg->logomitdata);
 262     p = "raw";
 263     for (i = 0; backends[i].name != NULL; i++)
 264         if (backends[i].protocol == cfg->protocol) {
 265             p = backends[i].name;
 266             break;
 267         }
 268     write_setting_s(sesskey, "Protocol", p);
 269     write_setting_i(sesskey, "PortNumber", cfg->port);
 270     /* The CloseOnExit numbers are arranged in a different order from
 271      * the standard FORCE_ON / FORCE_OFF / AUTO. */
 272     write_setting_i(sesskey, "CloseOnExit", (cfg->close_on_exit+2)%3);
 273     write_setting_i(sesskey, "WarnOnClose", !!cfg->warn_on_close);
 274     write_setting_i(sesskey, "PingInterval", cfg->ping_interval / 60);  /* minutes */
 275     write_setting_i(sesskey, "PingIntervalSecs", cfg->ping_interval % 60);      /* seconds */
 276     write_setting_i(sesskey, "TCPNoDelay", cfg->tcp_nodelay);
 277     write_setting_i(sesskey, "TCPKeepalives", cfg->tcp_keepalives);
 278     write_setting_s(sesskey, "TerminalType", cfg->termtype);
 279     write_setting_s(sesskey, "TerminalSpeed", cfg->termspeed);
 280     wmap(sesskey, "TerminalModes", cfg->ttymodes, lenof(cfg->ttymodes));
 281
 282     /* Address family selection */
 283     write_setting_i(sesskey, "AddressFamily", cfg->addressfamily);
 284
 285     /* proxy settings */
 286     write_setting_s(sesskey, "ProxyExcludeList", cfg->proxy_exclude_list);
 287     write_setting_i(sesskey, "ProxyDNS", (cfg->proxy_dns+2)%3);
 288     write_setting_i(sesskey, "ProxyLocalhost", cfg->even_proxy_localhost);
 289     write_setting_i(sesskey, "ProxyMethod", cfg->proxy_type);
 290     write_setting_s(sesskey, "ProxyHost", cfg->proxy_host);
 291     write_setting_i(sesskey, "ProxyPort", cfg->proxy_port);
 292     write_setting_s(sesskey, "ProxyUsername", cfg->proxy_username);
 293     write_setting_s(sesskey, "ProxyPassword", cfg->proxy_password);
 294     write_setting_s(sesskey, "ProxyTelnetCommand", cfg->proxy_telnet_command);
 295     wmap(sesskey, "Environment", cfg->environmt, lenof(cfg->environmt));
 296     write_setting_s(sesskey, "UserName", cfg->username);
 297     write_setting_s(sesskey, "LocalUserName", cfg->localusername);
 298     write_setting_i(sesskey, "NoPTY", cfg->nopty);
 299     write_setting_i(sesskey, "Compression", cfg->compression);
 300     write_setting_i(sesskey, "AgentFwd", cfg->agentfwd);
 301     write_setting_i(sesskey, "ChangeUsername", cfg->change_username);
 302     wprefs(sesskey, "Cipher", ciphernames, CIPHER_MAX,
 303            cfg->ssh_cipherlist);
 304     wprefs(sesskey, "KEX", kexnames, KEX_MAX, cfg->ssh_kexlist);
 305     write_setting_i(sesskey, "RekeyTime", cfg->ssh_rekey_time);
 306     write_setting_s(sesskey, "RekeyBytes", cfg->ssh_rekey_data);
 307     write_setting_i(sesskey, "SshNoAuth", cfg->ssh_no_userauth);
 308     write_setting_i(sesskey, "AuthTIS", cfg->try_tis_auth);
 309     write_setting_i(sesskey, "AuthKI", cfg->try_ki_auth);
 310     write_setting_i(sesskey, "SshNoShell", cfg->ssh_no_shell);
 311     write_setting_i(sesskey, "SshProt", cfg->sshprot);
 312     write_setting_i(sesskey, "SSH2DES", cfg->ssh2_des_cbc);
 313     write_setting_filename(sesskey, "PublicKeyFile", cfg->keyfile);
 314     write_setting_s(sesskey, "RemoteCommand", cfg->remote_cmd);
 315     write_setting_i(sesskey, "RFCEnviron", cfg->rfc_environ);
 316     write_setting_i(sesskey, "PassiveTelnet", cfg->passive_telnet);
 317     write_setting_i(sesskey, "BackspaceIsDelete", cfg->bksp_is_delete);
 318     write_setting_i(sesskey, "RXVTHomeEnd", cfg->rxvt_homeend);
 319     write_setting_i(sesskey, "LinuxFunctionKeys", cfg->funky_type);
 320     write_setting_i(sesskey, "NoApplicationKeys", cfg->no_applic_k);
 321     write_setting_i(sesskey, "NoApplicationCursors", cfg->no_applic_c);
 322     write_setting_i(sesskey, "NoMouseReporting", cfg->no_mouse_rep);
 323     write_setting_i(sesskey, "NoRemoteResize", cfg->no_remote_resize);
 324     write_setting_i(sesskey, "NoAltScreen", cfg->no_alt_screen);
 325     write_setting_i(sesskey, "NoRemoteWinTitle", cfg->no_remote_wintitle);
 326     write_setting_i(sesskey, "NoRemoteQTitle", cfg->no_remote_qtitle);
 327     write_setting_i(sesskey, "NoDBackspace", cfg->no_dbackspace);
 328     write_setting_i(sesskey, "NoRemoteCharset", cfg->no_remote_charset);
 329     write_setting_i(sesskey, "ApplicationCursorKeys", cfg->app_cursor);
 330     write_setting_i(sesskey, "ApplicationKeypad", cfg->app_keypad);
 331     write_setting_i(sesskey, "NetHackKeypad", cfg->nethack_keypad);
 332     write_setting_i(sesskey, "AltF4", cfg->alt_f4);
 333     write_setting_i(sesskey, "AltSpace", cfg->alt_space);
 334     write_setting_i(sesskey, "AltOnly", cfg->alt_only);
 335     write_setting_i(sesskey, "ComposeKey", cfg->compose_key);
 336     write_setting_i(sesskey, "CtrlAltKeys", cfg->ctrlaltkeys);
 337     write_setting_i(sesskey, "TelnetKey", cfg->telnet_keyboard);
 338     write_setting_i(sesskey, "TelnetRet", cfg->telnet_newline);
 339     write_setting_i(sesskey, "LocalEcho", cfg->localecho);
 340     write_setting_i(sesskey, "LocalEdit", cfg->localedit);
 341     write_setting_s(sesskey, "Answerback", cfg->answerback);
 342     write_setting_i(sesskey, "AlwaysOnTop", cfg->alwaysontop);
 343     write_setting_i(sesskey, "FullScreenOnAltEnter", cfg->fullscreenonaltenter);
 344     write_setting_i(sesskey, "HideMousePtr", cfg->hide_mouseptr);
 345     write_setting_i(sesskey, "SunkenEdge", cfg->sunken_edge);
 346     write_setting_i(sesskey, "WindowBorder", cfg->window_border);
 347     write_setting_i(sesskey, "CurType", cfg->cursor_type);
 348     write_setting_i(sesskey, "BlinkCur", cfg->blink_cur);
 349     write_setting_i(sesskey, "Beep", cfg->beep);
 350     write_setting_i(sesskey, "BeepInd", cfg->beep_ind);
 351     write_setting_filename(sesskey, "BellWaveFile", cfg->bell_wavefile);
 352     write_setting_i(sesskey, "BellOverload", cfg->bellovl);
 353     write_setting_i(sesskey, "BellOverloadN", cfg->bellovl_n);
 354     write_setting_i(sesskey, "BellOverloadT", cfg->bellovl_t
 355 #ifdef PUTTY_UNIX_H
 356                     * 1000
 357 #endif
 358                     );
 359     write_setting_i(sesskey, "BellOverloadS", cfg->bellovl_s
 360 #ifdef PUTTY_UNIX_H
 361                     * 1000
 362 #endif
 363                     );
 364     write_setting_i(sesskey, "ScrollbackLines", cfg->savelines);
 365     write_setting_i(sesskey, "DECOriginMode", cfg->dec_om);
 366     write_setting_i(sesskey, "AutoWrapMode", cfg->wrap_mode);
 367     write_setting_i(sesskey, "LFImpliesCR", cfg->lfhascr);
 368     write_setting_i(sesskey, "DisableArabicShaping", cfg->arabicshaping);
 369     write_setting_i(sesskey, "DisableBidi", cfg->bidi);
 370     write_setting_i(sesskey, "WinNameAlways", cfg->win_name_always);
 371     write_setting_s(sesskey, "WinTitle", cfg->wintitle);
 372     write_setting_i(sesskey, "TermWidth", cfg->width);
 373     write_setting_i(sesskey, "TermHeight", cfg->height);
 374     write_setting_fontspec(sesskey, "Font", cfg->font);
 375     write_setting_i(sesskey, "FontVTMode", cfg->vtmode);
 376     write_setting_i(sesskey, "UseSystemColours", cfg->system_colour);
 377     write_setting_i(sesskey, "TryPalette", cfg->try_palette);
 378     write_setting_i(sesskey, "ANSIColour", cfg->ansi_colour);
 379     write_setting_i(sesskey, "Xterm256Colour", cfg->xterm_256_colour);
 380     write_setting_i(sesskey, "BoldAsColour", cfg->bold_colour);
 381
 382     for (i = 0; i < 22; i++) {
 383         char buf[20], buf2[30];
 384         sprintf(buf, "Colour%d", i);
 385         sprintf(buf2, "%d,%d,%d", cfg->colours[i][0],
 386                 cfg->colours[i][1], cfg->colours[i][2]);
 387         write_setting_s(sesskey, buf, buf2);
 388     }
 389     write_setting_i(sesskey, "RawCNP", cfg->rawcnp);
 390     write_setting_i(sesskey, "PasteRTF", cfg->rtf_paste);
 391     write_setting_i(sesskey, "MouseIsXterm", cfg->mouse_is_xterm);
 392     write_setting_i(sesskey, "RectSelect", cfg->rect_select);
 393     write_setting_i(sesskey, "MouseOverride", cfg->mouse_override);
 394     for (i = 0; i < 256; i += 32) {
 395         char buf[20], buf2[256];
 396         int j;
 397         sprintf(buf, "Wordness%d", i);
 398         *buf2 = '\0';
 399         for (j = i; j < i + 32; j++) {
 400             sprintf(buf2 + strlen(buf2), "%s%d",
 401                     (*buf2 ? "," : ""), cfg->wordness[j]);
 402         }
 403         write_setting_s(sesskey, buf, buf2);
 404     }
 405     write_setting_s(sesskey, "LineCodePage", cfg->line_codepage);
 406     write_setting_i(sesskey, "CJKAmbigWide", cfg->cjk_ambig_wide);
 407     write_setting_i(sesskey, "UTF8Override", cfg->utf8_override);
 408     write_setting_s(sesskey, "Printer", cfg->printer);
 409     write_setting_i(sesskey, "CapsLockCyr", cfg->xlat_capslockcyr);
 410     write_setting_i(sesskey, "ScrollBar", cfg->scrollbar);
 411     write_setting_i(sesskey, "ScrollBarFullScreen", cfg->scrollbar_in_fullscreen);
 412     write_setting_i(sesskey, "ScrollOnKey", cfg->scroll_on_key);
 413     write_setting_i(sesskey, "ScrollOnDisp", cfg->scroll_on_disp);
 414     write_setting_i(sesskey, "EraseToScrollback", cfg->erase_to_scrollback);
 415     write_setting_i(sesskey, "LockSize", cfg->resize_action);
 416     write_setting_i(sesskey, "BCE", cfg->bce);
 417     write_setting_i(sesskey, "BlinkText", cfg->blinktext);
 418     write_setting_i(sesskey, "X11Forward", cfg->x11_forward);
 419     write_setting_s(sesskey, "X11Display", cfg->x11_display);
 420     write_setting_i(sesskey, "X11AuthType", cfg->x11_auth);
 421     write_setting_i(sesskey, "LocalPortAcceptAll", cfg->lport_acceptall);
 422     write_setting_i(sesskey, "RemotePortAcceptAll", cfg->rport_acceptall);
 423     wmap(sesskey, "PortForwardings", cfg->portfwd, lenof(cfg->portfwd));
 424     write_setting_i(sesskey, "BugIgnore1", 2-cfg->sshbug_ignore1);
 425     write_setting_i(sesskey, "BugPlainPW1", 2-cfg->sshbug_plainpw1);
 426     write_setting_i(sesskey, "BugRSA1", 2-cfg->sshbug_rsa1);
 427     write_setting_i(sesskey, "BugHMAC2", 2-cfg->sshbug_hmac2);
 428     write_setting_i(sesskey, "BugDeriveKey2", 2-cfg->sshbug_derivekey2);
 429     write_setting_i(sesskey, "BugRSAPad2", 2-cfg->sshbug_rsapad2);
 430     write_setting_i(sesskey, "BugPKSessID2", 2-cfg->sshbug_pksessid2);
 431     write_setting_i(sesskey, "StampUtmp", cfg->stamp_utmp);
 432     write_setting_i(sesskey, "LoginShell", cfg->login_shell);
 433     write_setting_i(sesskey, "ScrollbarOnLeft", cfg->scrollbar_on_left);
 434     write_setting_fontspec(sesskey, "BoldFont", cfg->boldfont);
 435     write_setting_fontspec(sesskey, "WideFont", cfg->widefont);
 436     write_setting_fontspec(sesskey, "WideBoldFont", cfg->wideboldfont);
 437     write_setting_i(sesskey, "ShadowBold", cfg->shadowbold);
 438     write_setting_i(sesskey, "ShadowBoldOffset", cfg->shadowboldoffset);
 439 }
 440
 441 void load_settings(char *section, int do_host, Config * cfg)
 442 {
 443     void *sesskey;
 444
 445     sesskey = open_settings_r(section);
 446     load_open_settings(sesskey, do_host, cfg);
 447     close_settings_r(sesskey);
 448 }
 449
 450 void load_open_settings(void *sesskey, int do_host, Config *cfg)
 451 {
 452     int i;
 453     char prot[10];
 454
 455     cfg->ssh_subsys = 0;               /* FIXME: load this properly */
 456     cfg->remote_cmd_ptr = NULL;
 457     cfg->remote_cmd_ptr2 = NULL;
 458
 459     if (do_host) {
 460         gpps(sesskey, "HostName", "", cfg->host, sizeof(cfg->host));
 461     } else {
 462         cfg->host[0] = '\0';           /* blank hostname */
 463     }
 464     gppfile(sesskey, "LogFileName", &cfg->logfilename);
 465     gppi(sesskey, "LogType", 0, &cfg->logtype);
 466     gppi(sesskey, "LogFileClash", LGXF_ASK, &cfg->logxfovr);
 467     gppi(sesskey, "LogFlush", 1, &cfg->logflush);
 468     gppi(sesskey, "SSHLogOmitPasswords", 1, &cfg->logomitpass);
 469     gppi(sesskey, "SSHLogOmitData", 0, &cfg->logomitdata);
 470
 471     gpps(sesskey, "Protocol", "default", prot, 10);
 472     cfg->protocol = default_protocol;
 473     cfg->port = default_port;
 474     for (i = 0; backends[i].name != NULL; i++)
 475         if (!strcmp(prot, backends[i].name)) {
 476             cfg->protocol = backends[i].protocol;
 477             gppi(sesskey, "PortNumber", default_port, &cfg->port);
 478             break;
 479         }
 480
 481     /* Address family selection */
 482     gppi(sesskey, "AddressFamily", ADDRTYPE_UNSPEC, &cfg->addressfamily);
 483
 484     /* The CloseOnExit numbers are arranged in a different order from
 485      * the standard FORCE_ON / FORCE_OFF / AUTO. */
 486     gppi(sesskey, "CloseOnExit", 1, &i); cfg->close_on_exit = (i+1)%3;
 487     gppi(sesskey, "WarnOnClose", 1, &cfg->warn_on_close);
 488     {
 489         /* This is two values for backward compatibility with 0.50/0.51 */
 490         int pingmin, pingsec;
 491         gppi(sesskey, "PingInterval", 0, &pingmin);
 492         gppi(sesskey, "PingIntervalSecs", 0, &pingsec);
 493         cfg->ping_interval = pingmin * 60 + pingsec;
 494     }
 495     gppi(sesskey, "TCPNoDelay", 1, &cfg->tcp_nodelay);
 496     gppi(sesskey, "TCPKeepalives", 0, &cfg->tcp_keepalives);
 497     gpps(sesskey, "TerminalType", "xterm", cfg->termtype,
 498          sizeof(cfg->termtype));
 499     gpps(sesskey, "TerminalSpeed", "38400,38400", cfg->termspeed,
 500          sizeof(cfg->termspeed));
 501     {
 502         /* This hardcodes a big set of defaults in any new saved
 503          * sessions. Let's hope we don't change our mind. */
 504         int i;
 505         char *def = dupstr("");
 506         /* Default: all set to "auto" */
 507         for (i = 0; ttymodes[i]; i++) {
 508             char *def2 = dupprintf("%s%s=A,", def, ttymodes[i]);
 509             sfree(def);
 510             def = def2;
 511         }
 512         gppmap(sesskey, "TerminalModes", def,
 513                cfg->ttymodes, lenof(cfg->ttymodes));
 514         sfree(def);
 515     }
 516
 517     /* proxy settings */
 518     gpps(sesskey, "ProxyExcludeList", "", cfg->proxy_exclude_list,
 519          sizeof(cfg->proxy_exclude_list));
 520     gppi(sesskey, "ProxyDNS", 1, &i); cfg->proxy_dns = (i+1)%3;
 521     gppi(sesskey, "ProxyLocalhost", 0, &cfg->even_proxy_localhost);
 522     gppi(sesskey, "ProxyMethod", -1, &cfg->proxy_type);
 523     if (cfg->proxy_type == -1) {
 524         int i;
 525         gppi(sesskey, "ProxyType", 0, &i);
 526         if (i == 0)
 527             cfg->proxy_type = PROXY_NONE;
 528         else if (i == 1)
 529             cfg->proxy_type = PROXY_HTTP;
 530         else if (i == 3)
 531             cfg->proxy_type = PROXY_TELNET;
 532         else if (i == 4)
 533             cfg->proxy_type = PROXY_CMD;
 534         else {
 535             gppi(sesskey, "ProxySOCKSVersion", 5, &i);
 536             if (i == 5)
 537                 cfg->proxy_type = PROXY_SOCKS5;
 538             else
 539                 cfg->proxy_type = PROXY_SOCKS4;
 540         }
 541     }
 542     gpps(sesskey, "ProxyHost", "proxy", cfg->proxy_host,
 543          sizeof(cfg->proxy_host));
 544     gppi(sesskey, "ProxyPort", 80, &cfg->proxy_port);
 545     gpps(sesskey, "ProxyUsername", "", cfg->proxy_username,
 546          sizeof(cfg->proxy_username));
 547     gpps(sesskey, "ProxyPassword", "", cfg->proxy_password,
 548          sizeof(cfg->proxy_password));
 549     gpps(sesskey, "ProxyTelnetCommand", "connect %host %port\\n",
 550          cfg->proxy_telnet_command, sizeof(cfg->proxy_telnet_command));
 551     gppmap(sesskey, "Environment", "", cfg->environmt, lenof(cfg->environmt));
 552     gpps(sesskey, "UserName", "", cfg->username, sizeof(cfg->username));
 553     gpps(sesskey, "LocalUserName", "", cfg->localusername,
 554          sizeof(cfg->localusername));
 555     gppi(sesskey, "NoPTY", 0, &cfg->nopty);
 556     gppi(sesskey, "Compression", 0, &cfg->compression);
 557     gppi(sesskey, "AgentFwd", 0, &cfg->agentfwd);
 558     gppi(sesskey, "ChangeUsername", 0, &cfg->change_username);
 559     gprefs(sesskey, "Cipher", "\0",
 560            ciphernames, CIPHER_MAX, cfg->ssh_cipherlist);
 561     {
 562         /* Backward-compatibility: we used to have an option to
 563          * disable gex under the "bugs" panel after one report of
 564          * a server which offered it then choked, but we never got
 565          * a server version string or any other reports. */
 566         char *default_kexes;
 567         gppi(sesskey, "BugDHGEx2", 0, &i); i = 2-i;
 568         if (i == FORCE_ON)
 569             default_kexes = "dh-group14-sha1,dh-group1-sha1,WARN,dh-gex-sha1";
 570         else
 571             default_kexes = "dh-gex-sha1,dh-group14-sha1,dh-group1-sha1,WARN";
 572         gprefs(sesskey, "KEX", default_kexes,
 573                kexnames, KEX_MAX, cfg->ssh_kexlist);
 574     }
 575     gppi(sesskey, "RekeyTime", 60, &cfg->ssh_rekey_time);
 576     gpps(sesskey, "RekeyBytes", "1G", cfg->ssh_rekey_data,
 577          sizeof(cfg->ssh_rekey_data));
 578     gppi(sesskey, "SshProt", 2, &cfg->sshprot);
 579     gppi(sesskey, "SSH2DES", 0, &cfg->ssh2_des_cbc);
 580     gppi(sesskey, "SshNoAuth", 0, &cfg->ssh_no_userauth);
 581     gppi(sesskey, "AuthTIS", 0, &cfg->try_tis_auth);
 582     gppi(sesskey, "AuthKI", 1, &cfg->try_ki_auth);
 583     gppi(sesskey, "SshNoShell", 0, &cfg->ssh_no_shell);
 584     gppfile(sesskey, "PublicKeyFile", &cfg->keyfile);
 585     gpps(sesskey, "RemoteCommand", "", cfg->remote_cmd,
 586          sizeof(cfg->remote_cmd));
 587     gppi(sesskey, "RFCEnviron", 0, &cfg->rfc_environ);
 588     gppi(sesskey, "PassiveTelnet", 0, &cfg->passive_telnet);
 589     gppi(sesskey, "BackspaceIsDelete", 1, &cfg->bksp_is_delete);
 590     gppi(sesskey, "RXVTHomeEnd", 0, &cfg->rxvt_homeend);
 591     gppi(sesskey, "LinuxFunctionKeys", 0, &cfg->funky_type);
 592     gppi(sesskey, "NoApplicationKeys", 0, &cfg->no_applic_k);
 593     gppi(sesskey, "NoApplicationCursors", 0, &cfg->no_applic_c);
 594     gppi(sesskey, "NoMouseReporting", 0, &cfg->no_mouse_rep);
 595     gppi(sesskey, "NoRemoteResize", 0, &cfg->no_remote_resize);
 596     gppi(sesskey, "NoAltScreen", 0, &cfg->no_alt_screen);
 597     gppi(sesskey, "NoRemoteWinTitle", 0, &cfg->no_remote_wintitle);
 598     gppi(sesskey, "NoRemoteQTitle", 1, &cfg->no_remote_qtitle);
 599     gppi(sesskey, "NoDBackspace", 0, &cfg->no_dbackspace);
 600     gppi(sesskey, "NoRemoteCharset", 0, &cfg->no_remote_charset);
 601     gppi(sesskey, "ApplicationCursorKeys", 0, &cfg->app_cursor);
 602     gppi(sesskey, "ApplicationKeypad", 0, &cfg->app_keypad);
 603     gppi(sesskey, "NetHackKeypad", 0, &cfg->nethack_keypad);
 604     gppi(sesskey, "AltF4", 1, &cfg->alt_f4);
 605     gppi(sesskey, "AltSpace", 0, &cfg->alt_space);
 606     gppi(sesskey, "AltOnly", 0, &cfg->alt_only);
 607     gppi(sesskey, "ComposeKey", 0, &cfg->compose_key);
 608     gppi(sesskey, "CtrlAltKeys", 1, &cfg->ctrlaltkeys);
 609     gppi(sesskey, "TelnetKey", 0, &cfg->telnet_keyboard);
 610     gppi(sesskey, "TelnetRet", 1, &cfg->telnet_newline);
 611     gppi(sesskey, "LocalEcho", AUTO, &cfg->localecho);
 612     gppi(sesskey, "LocalEdit", AUTO, &cfg->localedit);
 613     gpps(sesskey, "Answerback", "PuTTY", cfg->answerback,
 614          sizeof(cfg->answerback));
 615     gppi(sesskey, "AlwaysOnTop", 0, &cfg->alwaysontop);
 616     gppi(sesskey, "FullScreenOnAltEnter", 0, &cfg->fullscreenonaltenter);
 617     gppi(sesskey, "HideMousePtr", 0, &cfg->hide_mouseptr);
 618     gppi(sesskey, "SunkenEdge", 0, &cfg->sunken_edge);
 619     gppi(sesskey, "WindowBorder", 1, &cfg->window_border);
 620     gppi(sesskey, "CurType", 0, &cfg->cursor_type);
 621     gppi(sesskey, "BlinkCur", 0, &cfg->blink_cur);
 622     /* pedantic compiler tells me I can't use &cfg->beep as an int * :-) */
 623     gppi(sesskey, "Beep", 1, &cfg->beep);
 624     gppi(sesskey, "BeepInd", 0, &cfg->beep_ind);
 625     gppfile(sesskey, "BellWaveFile", &cfg->bell_wavefile);
 626     gppi(sesskey, "BellOverload", 1, &cfg->bellovl);
 627     gppi(sesskey, "BellOverloadN", 5, &cfg->bellovl_n);
 628     gppi(sesskey, "BellOverloadT", 2*TICKSPERSEC, &i);
 629     cfg->bellovl_t = i
 630 #ifdef PUTTY_UNIX_H
 631                     / 1000
 632 #endif
 633         ;
 634     gppi(sesskey, "BellOverloadS", 5*TICKSPERSEC, &i);
 635     cfg->bellovl_s = i
 636 #ifdef PUTTY_UNIX_H
 637                     / 1000
 638 #endif
 639         ;
 640     gppi(sesskey, "ScrollbackLines", 200, &cfg->savelines);
 641     gppi(sesskey, "DECOriginMode", 0, &cfg->dec_om);
 642     gppi(sesskey, "AutoWrapMode", 1, &cfg->wrap_mode);
 643     gppi(sesskey, "LFImpliesCR", 0, &cfg->lfhascr);
 644     gppi(sesskey, "DisableArabicShaping", 0, &cfg->arabicshaping);
 645     gppi(sesskey, "DisableBidi", 0, &cfg->bidi);
 646     gppi(sesskey, "WinNameAlways", 1, &cfg->win_name_always);
 647     gpps(sesskey, "WinTitle", "", cfg->wintitle, sizeof(cfg->wintitle));
 648     gppi(sesskey, "TermWidth", 80, &cfg->width);
 649     gppi(sesskey, "TermHeight", 24, &cfg->height);
 650     gppfont(sesskey, "Font", &cfg->font);
 651     gppi(sesskey, "FontVTMode", VT_UNICODE, (int *) &cfg->vtmode);
 652     gppi(sesskey, "UseSystemColours", 0, &cfg->system_colour);
 653     gppi(sesskey, "TryPalette", 0, &cfg->try_palette);
 654     gppi(sesskey, "ANSIColour", 1, &cfg->ansi_colour);
 655     gppi(sesskey, "Xterm256Colour", 1, &cfg->xterm_256_colour);
 656     gppi(sesskey, "BoldAsColour", 1, &cfg->bold_colour);
 657
 658     for (i = 0; i < 22; i++) {
 659         static const char *const defaults[] = {
 660             "187,187,187", "255,255,255", "0,0,0", "85,85,85", "0,0,0",
 661             "0,255,0", "0,0,0", "85,85,85", "187,0,0", "255,85,85",
 662             "0,187,0", "85,255,85", "187,187,0", "255,255,85", "0,0,187",
 663             "85,85,255", "187,0,187", "255,85,255", "0,187,187",
 664             "85,255,255", "187,187,187", "255,255,255"
 665         };
 666         char buf[20], buf2[30];
 667         int c0, c1, c2;
 668         sprintf(buf, "Colour%d", i);
 669         gpps(sesskey, buf, defaults[i], buf2, sizeof(buf2));
 670         if (sscanf(buf2, "%d,%d,%d", &c0, &c1, &c2) == 3) {
 671             cfg->colours[i][0] = c0;
 672             cfg->colours[i][1] = c1;
 673             cfg->colours[i][2] = c2;
 674         }
 675     }
 676     gppi(sesskey, "RawCNP", 0, &cfg->rawcnp);
 677     gppi(sesskey, "PasteRTF", 0, &cfg->rtf_paste);
 678     gppi(sesskey, "MouseIsXterm", 0, &cfg->mouse_is_xterm);
 679     gppi(sesskey, "RectSelect", 0, &cfg->rect_select);
 680     gppi(sesskey, "MouseOverride", 1, &cfg->mouse_override);
 681     for (i = 0; i < 256; i += 32) {
 682         static const char *const defaults[] = {
 683             "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",
 684             "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",
 685             "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",
 686             "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",
 687             "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",
 688             "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",
 689             "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",
 690             "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"
 691         };
 692         char buf[20], buf2[256], *p;
 693         int j;
 694         sprintf(buf, "Wordness%d", i);
 695         gpps(sesskey, buf, defaults[i / 32], buf2, sizeof(buf2));
 696         p = buf2;
 697         for (j = i; j < i + 32; j++) {
 698             char *q = p;
 699             while (*p && *p != ',')
 700                 p++;
 701             if (*p == ',')
 702                 *p++ = '\0';
 703             cfg->wordness[j] = atoi(q);
 704         }
 705     }
 706     /*
 707      * The empty default for LineCodePage will be converted later
 708      * into a plausible default for the locale.
 709      */
 710     gpps(sesskey, "LineCodePage", "", cfg->line_codepage,
 711          sizeof(cfg->line_codepage));
 712     gppi(sesskey, "CJKAmbigWide", 0, &cfg->cjk_ambig_wide);
 713     gppi(sesskey, "UTF8Override", 1, &cfg->utf8_override);
 714     gpps(sesskey, "Printer", "", cfg->printer, sizeof(cfg->printer));
 715     gppi (sesskey, "CapsLockCyr", 0, &cfg->xlat_capslockcyr);
 716     gppi(sesskey, "ScrollBar", 1, &cfg->scrollbar);
 717     gppi(sesskey, "ScrollBarFullScreen", 0, &cfg->scrollbar_in_fullscreen);
 718     gppi(sesskey, "ScrollOnKey", 0, &cfg->scroll_on_key);
 719     gppi(sesskey, "ScrollOnDisp", 1, &cfg->scroll_on_disp);
 720     gppi(sesskey, "EraseToScrollback", 1, &cfg->erase_to_scrollback);
 721     gppi(sesskey, "LockSize", 0, &cfg->resize_action);
 722     gppi(sesskey, "BCE", 1, &cfg->bce);
 723     gppi(sesskey, "BlinkText", 0, &cfg->blinktext);
 724     gppi(sesskey, "X11Forward", 0, &cfg->x11_forward);
 725     gpps(sesskey, "X11Display", "", cfg->x11_display,
 726          sizeof(cfg->x11_display));
 727     gppi(sesskey, "X11AuthType", X11_MIT, &cfg->x11_auth);
 728
 729     gppi(sesskey, "LocalPortAcceptAll", 0, &cfg->lport_acceptall);
 730     gppi(sesskey, "RemotePortAcceptAll", 0, &cfg->rport_acceptall);
 731     gppmap(sesskey, "PortForwardings", "", cfg->portfwd, lenof(cfg->portfwd));
 732     gppi(sesskey, "BugIgnore1", 0, &i); cfg->sshbug_ignore1 = 2-i;
 733     gppi(sesskey, "BugPlainPW1", 0, &i); cfg->sshbug_plainpw1 = 2-i;
 734     gppi(sesskey, "BugRSA1", 0, &i); cfg->sshbug_rsa1 = 2-i;
 735     {
 736         int i;
 737         gppi(sesskey, "BugHMAC2", 0, &i); cfg->sshbug_hmac2 = 2-i;
 738         if (cfg->sshbug_hmac2 == AUTO) {
 739             gppi(sesskey, "BuggyMAC", 0, &i);
 740             if (i == 1)
 741                 cfg->sshbug_hmac2 = FORCE_ON;
 742         }
 743     }
 744     gppi(sesskey, "BugDeriveKey2", 0, &i); cfg->sshbug_derivekey2 = 2-i;
 745     gppi(sesskey, "BugRSAPad2", 0, &i); cfg->sshbug_rsapad2 = 2-i;
 746     gppi(sesskey, "BugPKSessID2", 0, &i); cfg->sshbug_pksessid2 = 2-i;
 747     gppi(sesskey, "BugRekey2", 0, &i); cfg->sshbug_rekey2 = 2-i;
 748     gppi(sesskey, "StampUtmp", 1, &cfg->stamp_utmp);
 749     gppi(sesskey, "LoginShell", 1, &cfg->login_shell);
 750     gppi(sesskey, "ScrollbarOnLeft", 0, &cfg->scrollbar_on_left);
 751     gppi(sesskey, "ShadowBold", 0, &cfg->shadowbold);
 752     gppfont(sesskey, "BoldFont", &cfg->boldfont);
 753     gppfont(sesskey, "WideFont", &cfg->widefont);
 754     gppfont(sesskey, "WideBoldFont", &cfg->wideboldfont);
 755     gppi(sesskey, "ShadowBoldOffset", 1, &cfg->shadowboldoffset);
 756 }
 757
 758 void do_defaults(char *session, Config * cfg)
 759 {
 760     load_settings(session, (session != NULL && *session), cfg);
 761 }
 762
 763 static int sessioncmp(const void *av, const void *bv)
 764 {
 765     const char *a = *(const char *const *) av;
 766     const char *b = *(const char *const *) bv;
 767
 768     /*
 769      * Alphabetical order, except that "Default Settings" is a
 770      * special case and comes first.
 771      */
 772     if (!strcmp(a, "Default Settings"))
 773         return -1;                     /* a comes first */
 774     if (!strcmp(b, "Default Settings"))
 775         return +1;                     /* b comes first */
 776     /*
 777      * FIXME: perhaps we should ignore the first & in determining
 778      * sort order.
 779      */
 780     return strcmp(a, b);               /* otherwise, compare normally */
 781 }
 782
 783 void get_sesslist(struct sesslist *list, int allocate)
 784 {
 785     char otherbuf[2048];
 786     int buflen, bufsize, i;
 787     char *p, *ret;
 788     void *handle;
 789
 790     if (allocate) {
 791
 792         buflen = bufsize = 0;
 793         list->buffer = NULL;
 794         if ((handle = enum_settings_start()) != NULL) {
 795             do {
 796                 ret = enum_settings_next(handle, otherbuf, sizeof(otherbuf));
 797                 if (ret) {
 798                     int len = strlen(otherbuf) + 1;
 799                     if (bufsize < buflen + len) {
 800                         bufsize = buflen + len + 2048;
 801                         list->buffer = sresize(list->buffer, bufsize, char);
 802                     }
 803                     strcpy(list->buffer + buflen, otherbuf);
 804                     buflen += strlen(list->buffer + buflen) + 1;
 805                 }
 806             } while (ret);
 807             enum_settings_finish(handle);
 808         }
 809         list->buffer = sresize(list->buffer, buflen + 1, char);
 810         list->buffer[buflen] = '\0';
 811
 812         /*
 813          * Now set up the list of sessions. Note that "Default
 814          * Settings" must always be claimed to exist, even if it
 815          * doesn't really.
 816          */
 817
 818         p = list->buffer;
 819         list->nsessions = 1;           /* "Default Settings" counts as one */
 820         while (*p) {
 821             if (strcmp(p, "Default Settings"))
 822                 list->nsessions++;
 823             while (*p)
 824                 p++;
 825             p++;
 826         }
 827
 828         list->sessions = snewn(list->nsessions + 1, char *);
 829         list->sessions[0] = "Default Settings";
 830         p = list->buffer;
 831         i = 1;
 832         while (*p) {
 833             if (strcmp(p, "Default Settings"))
 834                 list->sessions[i++] = p;
 835             while (*p)
 836                 p++;
 837             p++;
 838         }
 839
 840         qsort(list->sessions, i, sizeof(char *), sessioncmp);
 841     } else {
 842         sfree(list->buffer);
 843         sfree(list->sessions);
 844         list->buffer = NULL;
 845         list->sessions = NULL;
 846     }
 847 }