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, 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, cfg);
 243     close_settings_w(sesskey);
 244     return NULL;
 245 }
 246
 247 void save_open_settings(void *sesskey, Config *cfg)
 248 {
 249     int i;
 250     char *p;
 251
 252     write_setting_i(sesskey, "Present", 1);
 253     write_setting_s(sesskey, "HostName", cfg->host);
 254     write_setting_filename(sesskey, "LogFileName", cfg->logfilename);
 255     write_setting_i(sesskey, "LogType", cfg->logtype);
 256     write_setting_i(sesskey, "LogFileClash", cfg->logxfovr);
 257     write_setting_i(sesskey, "LogFlush", cfg->logflush);
 258     write_setting_i(sesskey, "SSHLogOmitPasswords", cfg->logomitpass);
 259     write_setting_i(sesskey, "SSHLogOmitData", cfg->logomitdata);
 260     p = "raw";
 261     for (i = 0; backends[i].name != NULL; i++)
 262         if (backends[i].protocol == cfg->protocol) {
 263             p = backends[i].name;
 264             break;
 265         }
 266     write_setting_s(sesskey, "Protocol", p);
 267     write_setting_i(sesskey, "PortNumber", cfg->port);
 268     /* The CloseOnExit numbers are arranged in a different order from
 269      * the standard FORCE_ON / FORCE_OFF / AUTO. */
 270     write_setting_i(sesskey, "CloseOnExit", (cfg->close_on_exit+2)%3);
 271     write_setting_i(sesskey, "WarnOnClose", !!cfg->warn_on_close);
 272     write_setting_i(sesskey, "PingInterval", cfg->ping_interval / 60);  /* minutes */
 273     write_setting_i(sesskey, "PingIntervalSecs", cfg->ping_interval % 60);      /* seconds */
 274     write_setting_i(sesskey, "TCPNoDelay", cfg->tcp_nodelay);
 275     write_setting_i(sesskey, "TCPKeepalives", cfg->tcp_keepalives);
 276     write_setting_s(sesskey, "TerminalType", cfg->termtype);
 277     write_setting_s(sesskey, "TerminalSpeed", cfg->termspeed);
 278     wmap(sesskey, "TerminalModes", cfg->ttymodes, lenof(cfg->ttymodes));
 279
 280     /* Address family selection */
 281     write_setting_i(sesskey, "AddressFamily", cfg->addressfamily);
 282
 283     /* proxy settings */
 284     write_setting_s(sesskey, "ProxyExcludeList", cfg->proxy_exclude_list);
 285     write_setting_i(sesskey, "ProxyDNS", (cfg->proxy_dns+2)%3);
 286     write_setting_i(sesskey, "ProxyLocalhost", cfg->even_proxy_localhost);
 287     write_setting_i(sesskey, "ProxyMethod", cfg->proxy_type);
 288     write_setting_s(sesskey, "ProxyHost", cfg->proxy_host);
 289     write_setting_i(sesskey, "ProxyPort", cfg->proxy_port);
 290     write_setting_s(sesskey, "ProxyUsername", cfg->proxy_username);
 291     write_setting_s(sesskey, "ProxyPassword", cfg->proxy_password);
 292     write_setting_s(sesskey, "ProxyTelnetCommand", cfg->proxy_telnet_command);
 293     wmap(sesskey, "Environment", cfg->environmt, lenof(cfg->environmt));
 294     write_setting_s(sesskey, "UserName", cfg->username);
 295     write_setting_s(sesskey, "LocalUserName", cfg->localusername);
 296     write_setting_i(sesskey, "NoPTY", cfg->nopty);
 297     write_setting_i(sesskey, "Compression", cfg->compression);
 298     write_setting_i(sesskey, "TryAgent", cfg->tryagent);
 299     write_setting_i(sesskey, "AgentFwd", cfg->agentfwd);
 300     write_setting_i(sesskey, "ChangeUsername", cfg->change_username);
 301     wprefs(sesskey, "Cipher", ciphernames, CIPHER_MAX,
 302            cfg->ssh_cipherlist);
 303     wprefs(sesskey, "KEX", kexnames, KEX_MAX, cfg->ssh_kexlist);
 304     write_setting_i(sesskey, "RekeyTime", cfg->ssh_rekey_time);
 305     write_setting_s(sesskey, "RekeyBytes", cfg->ssh_rekey_data);
 306     write_setting_i(sesskey, "SshNoAuth", cfg->ssh_no_userauth);
 307     write_setting_i(sesskey, "AuthTIS", cfg->try_tis_auth);
 308     write_setting_i(sesskey, "AuthKI", cfg->try_ki_auth);
 309     write_setting_i(sesskey, "SshNoShell", cfg->ssh_no_shell);
 310     write_setting_i(sesskey, "SshProt", cfg->sshprot);
 311     write_setting_i(sesskey, "SSH2DES", cfg->ssh2_des_cbc);
 312     write_setting_filename(sesskey, "PublicKeyFile", cfg->keyfile);
 313     write_setting_s(sesskey, "RemoteCommand", cfg->remote_cmd);
 314     write_setting_i(sesskey, "RFCEnviron", cfg->rfc_environ);
 315     write_setting_i(sesskey, "PassiveTelnet", cfg->passive_telnet);
 316     write_setting_i(sesskey, "BackspaceIsDelete", cfg->bksp_is_delete);
 317     write_setting_i(sesskey, "RXVTHomeEnd", cfg->rxvt_homeend);
 318     write_setting_i(sesskey, "LinuxFunctionKeys", cfg->funky_type);
 319     write_setting_i(sesskey, "NoApplicationKeys", cfg->no_applic_k);
 320     write_setting_i(sesskey, "NoApplicationCursors", cfg->no_applic_c);
 321     write_setting_i(sesskey, "NoMouseReporting", cfg->no_mouse_rep);
 322     write_setting_i(sesskey, "NoRemoteResize", cfg->no_remote_resize);
 323     write_setting_i(sesskey, "NoAltScreen", cfg->no_alt_screen);
 324     write_setting_i(sesskey, "NoRemoteWinTitle", cfg->no_remote_wintitle);
 325     write_setting_i(sesskey, "RemoteQTitleAction", cfg->remote_qtitle_action);
 326     write_setting_i(sesskey, "NoDBackspace", cfg->no_dbackspace);
 327     write_setting_i(sesskey, "NoRemoteCharset", cfg->no_remote_charset);
 328     write_setting_i(sesskey, "ApplicationCursorKeys", cfg->app_cursor);
 329     write_setting_i(sesskey, "ApplicationKeypad", cfg->app_keypad);
 330     write_setting_i(sesskey, "NetHackKeypad", cfg->nethack_keypad);
 331     write_setting_i(sesskey, "AltF4", cfg->alt_f4);
 332     write_setting_i(sesskey, "AltSpace", cfg->alt_space);
 333     write_setting_i(sesskey, "AltOnly", cfg->alt_only);
 334     write_setting_i(sesskey, "ComposeKey", cfg->compose_key);
 335     write_setting_i(sesskey, "CtrlAltKeys", cfg->ctrlaltkeys);
 336     write_setting_i(sesskey, "TelnetKey", cfg->telnet_keyboard);
 337     write_setting_i(sesskey, "TelnetRet", cfg->telnet_newline);
 338     write_setting_i(sesskey, "LocalEcho", cfg->localecho);
 339     write_setting_i(sesskey, "LocalEdit", cfg->localedit);
 340     write_setting_s(sesskey, "Answerback", cfg->answerback);
 341     write_setting_i(sesskey, "AlwaysOnTop", cfg->alwaysontop);
 342     write_setting_i(sesskey, "FullScreenOnAltEnter", cfg->fullscreenonaltenter);
 343     write_setting_i(sesskey, "HideMousePtr", cfg->hide_mouseptr);
 344     write_setting_i(sesskey, "SunkenEdge", cfg->sunken_edge);
 345     write_setting_i(sesskey, "WindowBorder", cfg->window_border);
 346     write_setting_i(sesskey, "CurType", cfg->cursor_type);
 347     write_setting_i(sesskey, "BlinkCur", cfg->blink_cur);
 348     write_setting_i(sesskey, "Beep", cfg->beep);
 349     write_setting_i(sesskey, "BeepInd", cfg->beep_ind);
 350     write_setting_filename(sesskey, "BellWaveFile", cfg->bell_wavefile);
 351     write_setting_i(sesskey, "BellOverload", cfg->bellovl);
 352     write_setting_i(sesskey, "BellOverloadN", cfg->bellovl_n);
 353     write_setting_i(sesskey, "BellOverloadT", cfg->bellovl_t
 354 #ifdef PUTTY_UNIX_H
 355                     * 1000
 356 #endif
 357                     );
 358     write_setting_i(sesskey, "BellOverloadS", cfg->bellovl_s
 359 #ifdef PUTTY_UNIX_H
 360                     * 1000
 361 #endif
 362                     );
 363     write_setting_i(sesskey, "ScrollbackLines", cfg->savelines);
 364     write_setting_i(sesskey, "DECOriginMode", cfg->dec_om);
 365     write_setting_i(sesskey, "AutoWrapMode", cfg->wrap_mode);
 366     write_setting_i(sesskey, "LFImpliesCR", cfg->lfhascr);
 367     write_setting_i(sesskey, "DisableArabicShaping", cfg->arabicshaping);
 368     write_setting_i(sesskey, "DisableBidi", cfg->bidi);
 369     write_setting_i(sesskey, "WinNameAlways", cfg->win_name_always);
 370     write_setting_s(sesskey, "WinTitle", cfg->wintitle);
 371     write_setting_i(sesskey, "TermWidth", cfg->width);
 372     write_setting_i(sesskey, "TermHeight", cfg->height);
 373     write_setting_fontspec(sesskey, "Font", cfg->font);
 374     write_setting_i(sesskey, "FontQuality", cfg->font_quality);
 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, "BugRekey2", 2-cfg->sshbug_rekey2);
 432     write_setting_i(sesskey, "StampUtmp", cfg->stamp_utmp);
 433     write_setting_i(sesskey, "LoginShell", cfg->login_shell);
 434     write_setting_i(sesskey, "ScrollbarOnLeft", cfg->scrollbar_on_left);
 435     write_setting_fontspec(sesskey, "BoldFont", cfg->boldfont);
 436     write_setting_fontspec(sesskey, "WideFont", cfg->widefont);
 437     write_setting_fontspec(sesskey, "WideBoldFont", cfg->wideboldfont);
 438     write_setting_i(sesskey, "ShadowBold", cfg->shadowbold);
 439     write_setting_i(sesskey, "ShadowBoldOffset", cfg->shadowboldoffset);
 440     write_setting_s(sesskey, "SerialLine", cfg->serline);
 441     write_setting_i(sesskey, "SerialSpeed", cfg->serspeed);
 442     write_setting_i(sesskey, "SerialDataBits", cfg->serdatabits);
 443     write_setting_i(sesskey, "SerialStopHalfbits", cfg->serstopbits);
 444     write_setting_i(sesskey, "SerialParity", cfg->serparity);
 445     write_setting_i(sesskey, "SerialFlowControl", cfg->serflow);
 446 }
 447
 448 void load_settings(char *section, Config * cfg)
 449 {
 450     void *sesskey;
 451
 452     sesskey = open_settings_r(section);
 453     load_open_settings(sesskey, cfg);
 454     close_settings_r(sesskey);
 455 }
 456
 457 void load_open_settings(void *sesskey, Config *cfg)
 458 {
 459     int i;
 460     char prot[10];
 461
 462     cfg->ssh_subsys = 0;               /* FIXME: load this properly */
 463     cfg->remote_cmd_ptr = NULL;
 464     cfg->remote_cmd_ptr2 = NULL;
 465     cfg->ssh_nc_host[0] = '\0';
 466
 467     gpps(sesskey, "HostName", "", cfg->host, sizeof(cfg->host));
 468     gppfile(sesskey, "LogFileName", &cfg->logfilename);
 469     gppi(sesskey, "LogType", 0, &cfg->logtype);
 470     gppi(sesskey, "LogFileClash", LGXF_ASK, &cfg->logxfovr);
 471     gppi(sesskey, "LogFlush", 1, &cfg->logflush);
 472     gppi(sesskey, "SSHLogOmitPasswords", 1, &cfg->logomitpass);
 473     gppi(sesskey, "SSHLogOmitData", 0, &cfg->logomitdata);
 474
 475     gpps(sesskey, "Protocol", "default", prot, 10);
 476     cfg->protocol = default_protocol;
 477     cfg->port = default_port;
 478     for (i = 0; backends[i].name != NULL; i++)
 479         if (!strcmp(prot, backends[i].name)) {
 480             cfg->protocol = backends[i].protocol;
 481             gppi(sesskey, "PortNumber", default_port, &cfg->port);
 482             break;
 483         }
 484
 485     /* Address family selection */
 486     gppi(sesskey, "AddressFamily", ADDRTYPE_UNSPEC, &cfg->addressfamily);
 487
 488     /* The CloseOnExit numbers are arranged in a different order from
 489      * the standard FORCE_ON / FORCE_OFF / AUTO. */
 490     gppi(sesskey, "CloseOnExit", 1, &i); cfg->close_on_exit = (i+1)%3;
 491     gppi(sesskey, "WarnOnClose", 1, &cfg->warn_on_close);
 492     {
 493         /* This is two values for backward compatibility with 0.50/0.51 */
 494         int pingmin, pingsec;
 495         gppi(sesskey, "PingInterval", 0, &pingmin);
 496         gppi(sesskey, "PingIntervalSecs", 0, &pingsec);
 497         cfg->ping_interval = pingmin * 60 + pingsec;
 498     }
 499     gppi(sesskey, "TCPNoDelay", 1, &cfg->tcp_nodelay);
 500     gppi(sesskey, "TCPKeepalives", 0, &cfg->tcp_keepalives);
 501     gpps(sesskey, "TerminalType", "xterm", cfg->termtype,
 502          sizeof(cfg->termtype));
 503     gpps(sesskey, "TerminalSpeed", "38400,38400", cfg->termspeed,
 504          sizeof(cfg->termspeed));
 505     {
 506         /* This hardcodes a big set of defaults in any new saved
 507          * sessions. Let's hope we don't change our mind. */
 508         int i;
 509         char *def = dupstr("");
 510         /* Default: all set to "auto" */
 511         for (i = 0; ttymodes[i]; i++) {
 512             char *def2 = dupprintf("%s%s=A,", def, ttymodes[i]);
 513             sfree(def);
 514             def = def2;
 515         }
 516         gppmap(sesskey, "TerminalModes", def,
 517                cfg->ttymodes, lenof(cfg->ttymodes));
 518         sfree(def);
 519     }
 520
 521     /* proxy settings */
 522     gpps(sesskey, "ProxyExcludeList", "", cfg->proxy_exclude_list,
 523          sizeof(cfg->proxy_exclude_list));
 524     gppi(sesskey, "ProxyDNS", 1, &i); cfg->proxy_dns = (i+1)%3;
 525     gppi(sesskey, "ProxyLocalhost", 0, &cfg->even_proxy_localhost);
 526     gppi(sesskey, "ProxyMethod", -1, &cfg->proxy_type);
 527     if (cfg->proxy_type == -1) {
 528         int i;
 529         gppi(sesskey, "ProxyType", 0, &i);
 530         if (i == 0)
 531             cfg->proxy_type = PROXY_NONE;
 532         else if (i == 1)
 533             cfg->proxy_type = PROXY_HTTP;
 534         else if (i == 3)
 535             cfg->proxy_type = PROXY_TELNET;
 536         else if (i == 4)
 537             cfg->proxy_type = PROXY_CMD;
 538         else {
 539             gppi(sesskey, "ProxySOCKSVersion", 5, &i);
 540             if (i == 5)
 541                 cfg->proxy_type = PROXY_SOCKS5;
 542             else
 543                 cfg->proxy_type = PROXY_SOCKS4;
 544         }
 545     }
 546     gpps(sesskey, "ProxyHost", "proxy", cfg->proxy_host,
 547          sizeof(cfg->proxy_host));
 548     gppi(sesskey, "ProxyPort", 80, &cfg->proxy_port);
 549     gpps(sesskey, "ProxyUsername", "", cfg->proxy_username,
 550          sizeof(cfg->proxy_username));
 551     gpps(sesskey, "ProxyPassword", "", cfg->proxy_password,
 552          sizeof(cfg->proxy_password));
 553     gpps(sesskey, "ProxyTelnetCommand", "connect %host %port\\n",
 554          cfg->proxy_telnet_command, sizeof(cfg->proxy_telnet_command));
 555     gppmap(sesskey, "Environment", "", cfg->environmt, lenof(cfg->environmt));
 556     gpps(sesskey, "UserName", "", cfg->username, sizeof(cfg->username));
 557     gpps(sesskey, "LocalUserName", "", cfg->localusername,
 558          sizeof(cfg->localusername));
 559     gppi(sesskey, "NoPTY", 0, &cfg->nopty);
 560     gppi(sesskey, "Compression", 0, &cfg->compression);
 561     gppi(sesskey, "TryAgent", 1, &cfg->tryagent);
 562     gppi(sesskey, "AgentFwd", 0, &cfg->agentfwd);
 563     gppi(sesskey, "ChangeUsername", 0, &cfg->change_username);
 564     gprefs(sesskey, "Cipher", "\0",
 565            ciphernames, CIPHER_MAX, cfg->ssh_cipherlist);
 566     {
 567         /* Backward-compatibility: we used to have an option to
 568          * disable gex under the "bugs" panel after one report of
 569          * a server which offered it then choked, but we never got
 570          * a server version string or any other reports. */
 571         char *default_kexes;
 572         gppi(sesskey, "BugDHGEx2", 0, &i); i = 2-i;
 573         if (i == FORCE_ON)
 574             default_kexes = "dh-group14-sha1,dh-group1-sha1,WARN,dh-gex-sha1";
 575         else
 576             default_kexes = "dh-gex-sha1,dh-group14-sha1,dh-group1-sha1,WARN";
 577         gprefs(sesskey, "KEX", default_kexes,
 578                kexnames, KEX_MAX, cfg->ssh_kexlist);
 579     }
 580     gppi(sesskey, "RekeyTime", 60, &cfg->ssh_rekey_time);
 581     gpps(sesskey, "RekeyBytes", "1G", cfg->ssh_rekey_data,
 582          sizeof(cfg->ssh_rekey_data));
 583     gppi(sesskey, "SshProt", 2, &cfg->sshprot);
 584     gppi(sesskey, "SSH2DES", 0, &cfg->ssh2_des_cbc);
 585     gppi(sesskey, "SshNoAuth", 0, &cfg->ssh_no_userauth);
 586     gppi(sesskey, "AuthTIS", 0, &cfg->try_tis_auth);
 587     gppi(sesskey, "AuthKI", 1, &cfg->try_ki_auth);
 588     gppi(sesskey, "SshNoShell", 0, &cfg->ssh_no_shell);
 589     gppfile(sesskey, "PublicKeyFile", &cfg->keyfile);
 590     gpps(sesskey, "RemoteCommand", "", cfg->remote_cmd,
 591          sizeof(cfg->remote_cmd));
 592     gppi(sesskey, "RFCEnviron", 0, &cfg->rfc_environ);
 593     gppi(sesskey, "PassiveTelnet", 0, &cfg->passive_telnet);
 594     gppi(sesskey, "BackspaceIsDelete", 1, &cfg->bksp_is_delete);
 595     gppi(sesskey, "RXVTHomeEnd", 0, &cfg->rxvt_homeend);
 596     gppi(sesskey, "LinuxFunctionKeys", 0, &cfg->funky_type);
 597     gppi(sesskey, "NoApplicationKeys", 0, &cfg->no_applic_k);
 598     gppi(sesskey, "NoApplicationCursors", 0, &cfg->no_applic_c);
 599     gppi(sesskey, "NoMouseReporting", 0, &cfg->no_mouse_rep);
 600     gppi(sesskey, "NoRemoteResize", 0, &cfg->no_remote_resize);
 601     gppi(sesskey, "NoAltScreen", 0, &cfg->no_alt_screen);
 602     gppi(sesskey, "NoRemoteWinTitle", 0, &cfg->no_remote_wintitle);
 603     {
 604         /* Backward compatibility */
 605         int no_remote_qtitle;
 606         gppi(sesskey, "NoRemoteQTitle", 1, &no_remote_qtitle);
 607         /* We deliberately interpret the old setting of "no response" as
 608          * "empty string". This changes the behaviour, but hopefully for
 609          * the better; the user can always recover the old behaviour. */
 610         gppi(sesskey, "RemoteQTitleAction",
 611              no_remote_qtitle ? TITLE_EMPTY : TITLE_REAL,
 612              &cfg->remote_qtitle_action);
 613     }
 614     gppi(sesskey, "NoDBackspace", 0, &cfg->no_dbackspace);
 615     gppi(sesskey, "NoRemoteCharset", 0, &cfg->no_remote_charset);
 616     gppi(sesskey, "ApplicationCursorKeys", 0, &cfg->app_cursor);
 617     gppi(sesskey, "ApplicationKeypad", 0, &cfg->app_keypad);
 618     gppi(sesskey, "NetHackKeypad", 0, &cfg->nethack_keypad);
 619     gppi(sesskey, "AltF4", 1, &cfg->alt_f4);
 620     gppi(sesskey, "AltSpace", 0, &cfg->alt_space);
 621     gppi(sesskey, "AltOnly", 0, &cfg->alt_only);
 622     gppi(sesskey, "ComposeKey", 0, &cfg->compose_key);
 623     gppi(sesskey, "CtrlAltKeys", 1, &cfg->ctrlaltkeys);
 624     gppi(sesskey, "TelnetKey", 0, &cfg->telnet_keyboard);
 625     gppi(sesskey, "TelnetRet", 1, &cfg->telnet_newline);
 626     gppi(sesskey, "LocalEcho", AUTO, &cfg->localecho);
 627     gppi(sesskey, "LocalEdit", AUTO, &cfg->localedit);
 628     gpps(sesskey, "Answerback", "PuTTY", cfg->answerback,
 629          sizeof(cfg->answerback));
 630     gppi(sesskey, "AlwaysOnTop", 0, &cfg->alwaysontop);
 631     gppi(sesskey, "FullScreenOnAltEnter", 0, &cfg->fullscreenonaltenter);
 632     gppi(sesskey, "HideMousePtr", 0, &cfg->hide_mouseptr);
 633     gppi(sesskey, "SunkenEdge", 0, &cfg->sunken_edge);
 634     gppi(sesskey, "WindowBorder", 1, &cfg->window_border);
 635     gppi(sesskey, "CurType", 0, &cfg->cursor_type);
 636     gppi(sesskey, "BlinkCur", 0, &cfg->blink_cur);
 637     /* pedantic compiler tells me I can't use &cfg->beep as an int * :-) */
 638     gppi(sesskey, "Beep", 1, &cfg->beep);
 639     gppi(sesskey, "BeepInd", 0, &cfg->beep_ind);
 640     gppfile(sesskey, "BellWaveFile", &cfg->bell_wavefile);
 641     gppi(sesskey, "BellOverload", 1, &cfg->bellovl);
 642     gppi(sesskey, "BellOverloadN", 5, &cfg->bellovl_n);
 643     gppi(sesskey, "BellOverloadT", 2*TICKSPERSEC, &i);
 644     cfg->bellovl_t = i
 645 #ifdef PUTTY_UNIX_H
 646                     / 1000
 647 #endif
 648         ;
 649     gppi(sesskey, "BellOverloadS", 5*TICKSPERSEC, &i);
 650     cfg->bellovl_s = i
 651 #ifdef PUTTY_UNIX_H
 652                     / 1000
 653 #endif
 654         ;
 655     gppi(sesskey, "ScrollbackLines", 200, &cfg->savelines);
 656     gppi(sesskey, "DECOriginMode", 0, &cfg->dec_om);
 657     gppi(sesskey, "AutoWrapMode", 1, &cfg->wrap_mode);
 658     gppi(sesskey, "LFImpliesCR", 0, &cfg->lfhascr);
 659     gppi(sesskey, "DisableArabicShaping", 0, &cfg->arabicshaping);
 660     gppi(sesskey, "DisableBidi", 0, &cfg->bidi);
 661     gppi(sesskey, "WinNameAlways", 1, &cfg->win_name_always);
 662     gpps(sesskey, "WinTitle", "", cfg->wintitle, sizeof(cfg->wintitle));
 663     gppi(sesskey, "TermWidth", 80, &cfg->width);
 664     gppi(sesskey, "TermHeight", 24, &cfg->height);
 665     gppfont(sesskey, "Font", &cfg->font);
 666     gppi(sesskey, "FontQuality", FQ_DEFAULT, &cfg->font_quality);
 667     gppi(sesskey, "FontVTMode", VT_UNICODE, (int *) &cfg->vtmode);
 668     gppi(sesskey, "UseSystemColours", 0, &cfg->system_colour);
 669     gppi(sesskey, "TryPalette", 0, &cfg->try_palette);
 670     gppi(sesskey, "ANSIColour", 1, &cfg->ansi_colour);
 671     gppi(sesskey, "Xterm256Colour", 1, &cfg->xterm_256_colour);
 672     gppi(sesskey, "BoldAsColour", 1, &cfg->bold_colour);
 673
 674     for (i = 0; i < 22; i++) {
 675         static const char *const defaults[] = {
 676             "187,187,187", "255,255,255", "0,0,0", "85,85,85", "0,0,0",
 677             "0,255,0", "0,0,0", "85,85,85", "187,0,0", "255,85,85",
 678             "0,187,0", "85,255,85", "187,187,0", "255,255,85", "0,0,187",
 679             "85,85,255", "187,0,187", "255,85,255", "0,187,187",
 680             "85,255,255", "187,187,187", "255,255,255"
 681         };
 682         char buf[20], buf2[30];
 683         int c0, c1, c2;
 684         sprintf(buf, "Colour%d", i);
 685         gpps(sesskey, buf, defaults[i], buf2, sizeof(buf2));
 686         if (sscanf(buf2, "%d,%d,%d", &c0, &c1, &c2) == 3) {
 687             cfg->colours[i][0] = c0;
 688             cfg->colours[i][1] = c1;
 689             cfg->colours[i][2] = c2;
 690         }
 691     }
 692     gppi(sesskey, "RawCNP", 0, &cfg->rawcnp);
 693     gppi(sesskey, "PasteRTF", 0, &cfg->rtf_paste);
 694     gppi(sesskey, "MouseIsXterm", 0, &cfg->mouse_is_xterm);
 695     gppi(sesskey, "RectSelect", 0, &cfg->rect_select);
 696     gppi(sesskey, "MouseOverride", 1, &cfg->mouse_override);
 697     for (i = 0; i < 256; i += 32) {
 698         static const char *const defaults[] = {
 699             "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",
 700             "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",
 701             "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",
 702             "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",
 703             "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",
 704             "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",
 705             "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",
 706             "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"
 707         };
 708         char buf[20], buf2[256], *p;
 709         int j;
 710         sprintf(buf, "Wordness%d", i);
 711         gpps(sesskey, buf, defaults[i / 32], buf2, sizeof(buf2));
 712         p = buf2;
 713         for (j = i; j < i + 32; j++) {
 714             char *q = p;
 715             while (*p && *p != ',')
 716                 p++;
 717             if (*p == ',')
 718                 *p++ = '\0';
 719             cfg->wordness[j] = atoi(q);
 720         }
 721     }
 722     /*
 723      * The empty default for LineCodePage will be converted later
 724      * into a plausible default for the locale.
 725      */
 726     gpps(sesskey, "LineCodePage", "", cfg->line_codepage,
 727          sizeof(cfg->line_codepage));
 728     gppi(sesskey, "CJKAmbigWide", 0, &cfg->cjk_ambig_wide);
 729     gppi(sesskey, "UTF8Override", 1, &cfg->utf8_override);
 730     gpps(sesskey, "Printer", "", cfg->printer, sizeof(cfg->printer));
 731     gppi (sesskey, "CapsLockCyr", 0, &cfg->xlat_capslockcyr);
 732     gppi(sesskey, "ScrollBar", 1, &cfg->scrollbar);
 733     gppi(sesskey, "ScrollBarFullScreen", 0, &cfg->scrollbar_in_fullscreen);
 734     gppi(sesskey, "ScrollOnKey", 0, &cfg->scroll_on_key);
 735     gppi(sesskey, "ScrollOnDisp", 1, &cfg->scroll_on_disp);
 736     gppi(sesskey, "EraseToScrollback", 1, &cfg->erase_to_scrollback);
 737     gppi(sesskey, "LockSize", 0, &cfg->resize_action);
 738     gppi(sesskey, "BCE", 1, &cfg->bce);
 739     gppi(sesskey, "BlinkText", 0, &cfg->blinktext);
 740     gppi(sesskey, "X11Forward", 0, &cfg->x11_forward);
 741     gpps(sesskey, "X11Display", "", cfg->x11_display,
 742          sizeof(cfg->x11_display));
 743     gppi(sesskey, "X11AuthType", X11_MIT, &cfg->x11_auth);
 744
 745     gppi(sesskey, "LocalPortAcceptAll", 0, &cfg->lport_acceptall);
 746     gppi(sesskey, "RemotePortAcceptAll", 0, &cfg->rport_acceptall);
 747     gppmap(sesskey, "PortForwardings", "", cfg->portfwd, lenof(cfg->portfwd));
 748     gppi(sesskey, "BugIgnore1", 0, &i); cfg->sshbug_ignore1 = 2-i;
 749     gppi(sesskey, "BugPlainPW1", 0, &i); cfg->sshbug_plainpw1 = 2-i;
 750     gppi(sesskey, "BugRSA1", 0, &i); cfg->sshbug_rsa1 = 2-i;
 751     {
 752         int i;
 753         gppi(sesskey, "BugHMAC2", 0, &i); cfg->sshbug_hmac2 = 2-i;
 754         if (cfg->sshbug_hmac2 == AUTO) {
 755             gppi(sesskey, "BuggyMAC", 0, &i);
 756             if (i == 1)
 757                 cfg->sshbug_hmac2 = FORCE_ON;
 758         }
 759     }
 760     gppi(sesskey, "BugDeriveKey2", 0, &i); cfg->sshbug_derivekey2 = 2-i;
 761     gppi(sesskey, "BugRSAPad2", 0, &i); cfg->sshbug_rsapad2 = 2-i;
 762     gppi(sesskey, "BugPKSessID2", 0, &i); cfg->sshbug_pksessid2 = 2-i;
 763     gppi(sesskey, "BugRekey2", 0, &i); cfg->sshbug_rekey2 = 2-i;
 764     gppi(sesskey, "StampUtmp", 1, &cfg->stamp_utmp);
 765     gppi(sesskey, "LoginShell", 1, &cfg->login_shell);
 766     gppi(sesskey, "ScrollbarOnLeft", 0, &cfg->scrollbar_on_left);
 767     gppi(sesskey, "ShadowBold", 0, &cfg->shadowbold);
 768     gppfont(sesskey, "BoldFont", &cfg->boldfont);
 769     gppfont(sesskey, "WideFont", &cfg->widefont);
 770     gppfont(sesskey, "WideBoldFont", &cfg->wideboldfont);
 771     gppi(sesskey, "ShadowBoldOffset", 1, &cfg->shadowboldoffset);
 772     gpps(sesskey, "SerialLine", "", cfg->serline, sizeof(cfg->serline));
 773     gppi(sesskey, "SerialSpeed", 9600, &cfg->serspeed);
 774     gppi(sesskey, "SerialDataBits", 8, &cfg->serdatabits);
 775     gppi(sesskey, "SerialStopHalfbits", 2, &cfg->serstopbits);
 776     gppi(sesskey, "SerialParity", SER_PAR_NONE, &cfg->serparity);
 777     gppi(sesskey, "SerialFlowControl", SER_FLOW_XONXOFF, &cfg->serflow);
 778 }
 779
 780 void do_defaults(char *session, Config * cfg)
 781 {
 782     load_settings(session, cfg);
 783 }
 784
 785 static int sessioncmp(const void *av, const void *bv)
 786 {
 787     const char *a = *(const char *const *) av;
 788     const char *b = *(const char *const *) bv;
 789
 790     /*
 791      * Alphabetical order, except that "Default Settings" is a
 792      * special case and comes first.
 793      */
 794     if (!strcmp(a, "Default Settings"))
 795         return -1;                     /* a comes first */
 796     if (!strcmp(b, "Default Settings"))
 797         return +1;                     /* b comes first */
 798     /*
 799      * FIXME: perhaps we should ignore the first & in determining
 800      * sort order.
 801      */
 802     return strcmp(a, b);               /* otherwise, compare normally */
 803 }
 804
 805 void get_sesslist(struct sesslist *list, int allocate)
 806 {
 807     char otherbuf[2048];
 808     int buflen, bufsize, i;
 809     char *p, *ret;
 810     void *handle;
 811
 812     if (allocate) {
 813
 814         buflen = bufsize = 0;
 815         list->buffer = NULL;
 816         if ((handle = enum_settings_start()) != NULL) {
 817             do {
 818                 ret = enum_settings_next(handle, otherbuf, sizeof(otherbuf));
 819                 if (ret) {
 820                     int len = strlen(otherbuf) + 1;
 821                     if (bufsize < buflen + len) {
 822                         bufsize = buflen + len + 2048;
 823                         list->buffer = sresize(list->buffer, bufsize, char);
 824                     }
 825                     strcpy(list->buffer + buflen, otherbuf);
 826                     buflen += strlen(list->buffer + buflen) + 1;
 827                 }
 828             } while (ret);
 829             enum_settings_finish(handle);
 830         }
 831         list->buffer = sresize(list->buffer, buflen + 1, char);
 832         list->buffer[buflen] = '\0';
 833
 834         /*
 835          * Now set up the list of sessions. Note that "Default
 836          * Settings" must always be claimed to exist, even if it
 837          * doesn't really.
 838          */
 839
 840         p = list->buffer;
 841         list->nsessions = 1;           /* "Default Settings" counts as one */
 842         while (*p) {
 843             if (strcmp(p, "Default Settings"))
 844                 list->nsessions++;
 845             while (*p)
 846                 p++;
 847             p++;
 848         }
 849
 850         list->sessions = snewn(list->nsessions + 1, char *);
 851         list->sessions[0] = "Default Settings";
 852         p = list->buffer;
 853         i = 1;
 854         while (*p) {
 855             if (strcmp(p, "Default Settings"))
 856                 list->sessions[i++] = p;
 857             while (*p)
 858                 p++;
 859             p++;
 860         }
 861
 862         qsort(list->sessions, i, sizeof(char *), sessioncmp);
 863     } else {
 864         sfree(list->buffer);
 865         sfree(list->sessions);
 866         list->buffer = NULL;
 867         list->sessions = NULL;
 868     }
 869 }