settings.c

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