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     { "rsa",                KEX_RSA },
  31     { "WARN",               KEX_WARN }
  32 };
  33
  34 /*
  35  * All the terminal modes that we know about for the "TerminalModes"
  36  * setting. (Also used by config.c for the drop-down list.)
  37  * This is currently precisely the same as the set in ssh.c, but could
  38  * in principle differ if other backends started to support tty modes
  39  * (e.g., the pty backend).
  40  */
  41 const char *const ttymodes[] = {
  42     "INTR",     "QUIT",     "ERASE",    "KILL",     "EOF",
  43     "EOL",      "EOL2",     "START",    "STOP",     "SUSP",
  44     "DSUSP",    "REPRINT",  "WERASE",   "LNEXT",    "FLUSH",
  45     "SWTCH",    "STATUS",   "DISCARD",  "IGNPAR",   "PARMRK",
  46     "INPCK",    "ISTRIP",   "INLCR",    "IGNCR",    "ICRNL",
  47     "IUCLC",    "IXON",     "IXANY",    "IXOFF",    "IMAXBEL",
  48     "ISIG",     "ICANON",   "XCASE",    "ECHO",     "ECHOE",
  49     "ECHOK",    "ECHONL",   "NOFLSH",   "TOSTOP",   "IEXTEN",
  50     "ECHOCTL",  "ECHOKE",   "PENDIN",   "OPOST",    "OLCUC",
  51     "ONLCR",    "OCRNL",    "ONOCR",    "ONLRET",   "CS7",
  52     "CS8",      "PARENB",   "PARODD",   NULL
  53 };
  54
  55 static void gpps(void *handle, const char *name, const char *def,
  56                  char *val, int len)
  57 {
  58     if (!read_setting_s(handle, name, val, len)) {
  59         char *pdef;
  60
  61         pdef = platform_default_s(name);
  62         if (pdef) {
  63             strncpy(val, pdef, len);
  64             sfree(pdef);
  65         } else {
  66             strncpy(val, def, len);
  67         }
  68
  69         val[len - 1] = '\0';
  70     }
  71 }
  72
  73 /*
  74  * gppfont and gppfile cannot have local defaults, since the very
  75  * format of a Filename or Font is platform-dependent. So the
  76  * platform-dependent functions MUST return some sort of value.
  77  */
  78 static void gppfont(void *handle, const char *name, FontSpec *result)
  79 {
  80     if (!read_setting_fontspec(handle, name, result))
  81         *result = platform_default_fontspec(name);
  82 }
  83 static void gppfile(void *handle, const char *name, Filename *result)
  84 {
  85     if (!read_setting_filename(handle, name, result))
  86         *result = platform_default_filename(name);
  87 }
  88
  89 static void gppi(void *handle, char *name, int def, int *i)
  90 {
  91     def = platform_default_i(name, def);
  92     *i = read_setting_i(handle, name, def);
  93 }
  94
  95 /*
  96  * Read a set of name-value pairs in the format we occasionally use:
  97  *   NAME\tVALUE\0NAME\tVALUE\0\0 in memory
  98  *   NAME=VALUE,NAME=VALUE, in storage
  99  * `def' is in the storage format.
 100  */
 101 static void gppmap(void *handle, char *name, char *def, char *val, int len)
 102 {
 103     char *buf = snewn(2*len, char), *p, *q;
 104     gpps(handle, name, def, buf, 2*len);
 105     p = buf;
 106     q = val;
 107     while (*p) {
 108         while (*p && *p != ',') {
 109             int c = *p++;
 110             if (c == '=')
 111                 c = '\t';
 112             if (c == '\\')
 113                 c = *p++;
 114             *q++ = c;
 115         }
 116         if (*p == ',')
 117             p++;
 118         *q++ = '\0';
 119     }
 120     *q = '\0';
 121     sfree(buf);
 122 }
 123
 124 /*
 125  * Write a set of name/value pairs in the above format.
 126  */
 127 static void wmap(void *handle, char const *key, char const *value, int len)
 128 {
 129     char *buf = snewn(2*len, char), *p;
 130     const char *q;
 131     p = buf;
 132     q = value;
 133     while (*q) {
 134         while (*q) {
 135             int c = *q++;
 136             if (c == '=' || c == ',' || c == '\\')
 137                 *p++ = '\\';
 138             if (c == '\t')
 139                 c = '=';
 140             *p++ = c;
 141         }
 142         *p++ = ',';
 143         q++;
 144     }
 145     *p = '\0';
 146     write_setting_s(handle, key, buf);
 147     sfree(buf);
 148 }
 149
 150 static int key2val(const struct keyval *mapping, int nmaps, char *key)
 151 {
 152     int i;
 153     for (i = 0; i < nmaps; i++)
 154         if (!strcmp(mapping[i].s, key)) return mapping[i].v;
 155     return -1;
 156 }
 157
 158 static const char *val2key(const struct keyval *mapping, int nmaps, int val)
 159 {
 160     int i;
 161     for (i = 0; i < nmaps; i++)
 162         if (mapping[i].v == val) return mapping[i].s;
 163     return NULL;
 164 }
 165
 166 /*
 167  * Helper function to parse a comma-separated list of strings into
 168  * a preference list array of values. Any missing values are added
 169  * to the end and duplicates are weeded.
 170  * XXX: assumes vals in 'mapping' are small +ve integers
 171  */
 172 static void gprefs(void *sesskey, char *name, char *def,
 173                    const struct keyval *mapping, int nvals,
 174                    int *array)
 175 {
 176     char commalist[80];
 177     char *tokarg = commalist;
 178     int n;
 179     unsigned long seen = 0;            /* bitmap for weeding dups etc */
 180     gpps(sesskey, name, def, commalist, sizeof(commalist));
 181
 182     /* Grotty parsing of commalist. */
 183     n = 0;
 184     do {
 185         int v;
 186         char *key;
 187         key = strtok(tokarg, ","); /* sorry */
 188         tokarg = NULL;
 189         if (!key) break;
 190         if (((v = key2val(mapping, nvals, key)) != -1) &&
 191             !(seen & 1<<v)) {
 192             array[n] = v;
 193             n++;
 194             seen |= 1<<v;
 195         }
 196     } while (n < nvals);
 197     /* Add any missing values (backward compatibility ect). */
 198     {
 199         int i;
 200         for (i = 0; i < nvals; i++) {
 201             assert(mapping[i].v < 32);
 202             if (!(seen & 1<<mapping[i].v)) {
 203                 array[n] = mapping[i].v;
 204                 n++;
 205             }
 206         }
 207     }
 208 }
 209
 210 /*
 211  * Write out a preference list.
 212  */
 213 static void wprefs(void *sesskey, char *name,
 214                    const struct keyval *mapping, int nvals,
 215                    int *array)
 216 {
 217     char buf[80] = "";  /* XXX assumed big enough */
 218     int l = sizeof(buf)-1, i;
 219     buf[l] = '\0';
 220     for (i = 0; l > 0 && i < nvals; i++) {
 221         const char *s = val2key(mapping, nvals, array[i]);
 222         if (s) {
 223             int sl = strlen(s);
 224             if (i > 0) {
 225                 strncat(buf, ",", l);
 226                 l--;
 227             }
 228             strncat(buf, s, l);
 229             l -= sl;
 230         }
 231     }
 232     write_setting_s(sesskey, name, buf);
 233 }
 234
 235 char *save_settings(char *section, Config * cfg)
 236 {
 237     void *sesskey;
 238     char *errmsg;
 239
 240     sesskey = open_settings_w(section, &errmsg);
 241     if (!sesskey)
 242         return errmsg;
 243     save_open_settings(sesskey, cfg);
 244     close_settings_w(sesskey);
 245     return NULL;
 246 }
 247
 248 void save_open_settings(void *sesskey, Config *cfg)
 249 {
 250     int i;
 251     char *p;
 252
 253     write_setting_i(sesskey, "Present", 1);
 254     write_setting_s(sesskey, "HostName", cfg->host);
 255     write_setting_filename(sesskey, "LogFileName", cfg->logfilename);
 256     write_setting_i(sesskey, "LogType", cfg->logtype);
 257     write_setting_i(sesskey, "LogFileClash", cfg->logxfovr);
 258     write_setting_i(sesskey, "LogFlush", cfg->logflush);
 259     write_setting_i(sesskey, "SSHLogOmitPasswords", cfg->logomitpass);
 260     write_setting_i(sesskey, "SSHLogOmitData", cfg->logomitdata);
 261     p = "raw";
 262     for (i = 0; backends[i].name != NULL; i++)
 263         if (backends[i].protocol == cfg->protocol) {
 264             p = backends[i].name;
 265             break;
 266         }
 267     write_setting_s(sesskey, "Protocol", p);
 268     write_setting_i(sesskey, "PortNumber", cfg->port);
 269     /* The CloseOnExit numbers are arranged in a different order from
 270      * the standard FORCE_ON / FORCE_OFF / AUTO. */
 271     write_setting_i(sesskey, "CloseOnExit", (cfg->close_on_exit+2)%3);
 272     write_setting_i(sesskey, "WarnOnClose", !!cfg->warn_on_close);
 273     write_setting_i(sesskey, "PingInterval", cfg->ping_interval / 60);  /* minutes */
 274     write_setting_i(sesskey, "PingIntervalSecs", cfg->ping_interval % 60);      /* seconds */
 275     write_setting_i(sesskey, "TCPNoDelay", cfg->tcp_nodelay);
 276     write_setting_i(sesskey, "TCPKeepalives", cfg->tcp_keepalives);
 277     write_setting_s(sesskey, "TerminalType", cfg->termtype);
 278     write_setting_s(sesskey, "TerminalSpeed", cfg->termspeed);
 279     wmap(sesskey, "TerminalModes", cfg->ttymodes, lenof(cfg->ttymodes));
 280
 281     /* Address family selection */
 282     write_setting_i(sesskey, "AddressFamily", cfg->addressfamily);
 283
 284     /* proxy settings */
 285     write_setting_s(sesskey, "ProxyExcludeList", cfg->proxy_exclude_list);
 286     write_setting_i(sesskey, "ProxyDNS", (cfg->proxy_dns+2)%3);
 287     write_setting_i(sesskey, "ProxyLocalhost", cfg->even_proxy_localhost);
 288     write_setting_i(sesskey, "ProxyMethod", cfg->proxy_type);
 289     write_setting_s(sesskey, "ProxyHost", cfg->proxy_host);
 290     write_setting_i(sesskey, "ProxyPort", cfg->proxy_port);
 291     write_setting_s(sesskey, "ProxyUsername", cfg->proxy_username);
 292     write_setting_s(sesskey, "ProxyPassword", cfg->proxy_password);
 293     write_setting_s(sesskey, "ProxyTelnetCommand", cfg->proxy_telnet_command);
 294     wmap(sesskey, "Environment", cfg->environmt, lenof(cfg->environmt));
 295     write_setting_s(sesskey, "UserName", cfg->username);
 296     write_setting_s(sesskey, "LocalUserName", cfg->localusername);
 297     write_setting_i(sesskey, "NoPTY", cfg->nopty);
 298     write_setting_i(sesskey, "Compression", cfg->compression);
 299     write_setting_i(sesskey, "TryAgent", cfg->tryagent);
 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, "RemoteQTitleAction", cfg->remote_qtitle_action);
 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, "FontQuality", cfg->font_quality);
 376     write_setting_i(sesskey, "FontVTMode", cfg->vtmode);
 377     write_setting_i(sesskey, "UseSystemColours", cfg->system_colour);
 378     write_setting_i(sesskey, "TryPalette", cfg->try_palette);
 379     write_setting_i(sesskey, "ANSIColour", cfg->ansi_colour);
 380     write_setting_i(sesskey, "Xterm256Colour", cfg->xterm_256_colour);
 381     write_setting_i(sesskey, "BoldAsColour", cfg->bold_colour);
 382
 383     for (i = 0; i < 22; i++) {
 384         char buf[20], buf2[30];
 385         sprintf(buf, "Colour%d", i);
 386         sprintf(buf2, "%d,%d,%d", cfg->colours[i][0],
 387                 cfg->colours[i][1], cfg->colours[i][2]);
 388         write_setting_s(sesskey, buf, buf2);
 389     }
 390     write_setting_i(sesskey, "RawCNP", cfg->rawcnp);
 391     write_setting_i(sesskey, "PasteRTF", cfg->rtf_paste);
 392     write_setting_i(sesskey, "MouseIsXterm", cfg->mouse_is_xterm);
 393     write_setting_i(sesskey, "RectSelect", cfg->rect_select);
 394     write_setting_i(sesskey, "MouseOverride", cfg->mouse_override);
 395     for (i = 0; i < 256; i += 32) {
 396         char buf[20], buf2[256];
 397         int j;
 398         sprintf(buf, "Wordness%d", i);
 399         *buf2 = '\0';
 400         for (j = i; j < i + 32; j++) {
 401             sprintf(buf2 + strlen(buf2), "%s%d",
 402                     (*buf2 ? "," : ""), cfg->wordness[j]);
 403         }
 404         write_setting_s(sesskey, buf, buf2);
 405     }
 406     write_setting_s(sesskey, "LineCodePage", cfg->line_codepage);
 407     write_setting_i(sesskey, "CJKAmbigWide", cfg->cjk_ambig_wide);
 408     write_setting_i(sesskey, "UTF8Override", cfg->utf8_override);
 409     write_setting_s(sesskey, "Printer", cfg->printer);
 410     write_setting_i(sesskey, "CapsLockCyr", cfg->xlat_capslockcyr);
 411     write_setting_i(sesskey, "ScrollBar", cfg->scrollbar);
 412     write_setting_i(sesskey, "ScrollBarFullScreen", cfg->scrollbar_in_fullscreen);
 413     write_setting_i(sesskey, "ScrollOnKey", cfg->scroll_on_key);
 414     write_setting_i(sesskey, "ScrollOnDisp", cfg->scroll_on_disp);
 415     write_setting_i(sesskey, "EraseToScrollback", cfg->erase_to_scrollback);
 416     write_setting_i(sesskey, "LockSize", cfg->resize_action);
 417     write_setting_i(sesskey, "BCE", cfg->bce);
 418     write_setting_i(sesskey, "BlinkText", cfg->blinktext);
 419     write_setting_i(sesskey, "X11Forward", cfg->x11_forward);
 420     write_setting_s(sesskey, "X11Display", cfg->x11_display);
 421     write_setting_i(sesskey, "X11AuthType", cfg->x11_auth);
 422     write_setting_i(sesskey, "LocalPortAcceptAll", cfg->lport_acceptall);
 423     write_setting_i(sesskey, "RemotePortAcceptAll", cfg->rport_acceptall);
 424     wmap(sesskey, "PortForwardings", cfg->portfwd, lenof(cfg->portfwd));
 425     write_setting_i(sesskey, "BugIgnore1", 2-cfg->sshbug_ignore1);
 426     write_setting_i(sesskey, "BugPlainPW1", 2-cfg->sshbug_plainpw1);
 427     write_setting_i(sesskey, "BugRSA1", 2-cfg->sshbug_rsa1);
 428     write_setting_i(sesskey, "BugHMAC2", 2-cfg->sshbug_hmac2);
 429     write_setting_i(sesskey, "BugDeriveKey2", 2-cfg->sshbug_derivekey2);
 430     write_setting_i(sesskey, "BugRSAPad2", 2-cfg->sshbug_rsapad2);
 431     write_setting_i(sesskey, "BugPKSessID2", 2-cfg->sshbug_pksessid2);
 432     write_setting_i(sesskey, "BugRekey2", 2-cfg->sshbug_rekey2);
 433     write_setting_i(sesskey, "StampUtmp", cfg->stamp_utmp);
 434     write_setting_i(sesskey, "LoginShell", cfg->login_shell);
 435     write_setting_i(sesskey, "ScrollbarOnLeft", cfg->scrollbar_on_left);
 436     write_setting_fontspec(sesskey, "BoldFont", cfg->boldfont);
 437     write_setting_fontspec(sesskey, "WideFont", cfg->widefont);
 438     write_setting_fontspec(sesskey, "WideBoldFont", cfg->wideboldfont);
 439     write_setting_i(sesskey, "ShadowBold", cfg->shadowbold);
 440     write_setting_i(sesskey, "ShadowBoldOffset", cfg->shadowboldoffset);
 441     write_setting_s(sesskey, "SerialLine", cfg->serline);
 442     write_setting_i(sesskey, "SerialSpeed", cfg->serspeed);
 443     write_setting_i(sesskey, "SerialDataBits", cfg->serdatabits);
 444     write_setting_i(sesskey, "SerialStopHalfbits", cfg->serstopbits);
 445     write_setting_i(sesskey, "SerialParity", cfg->serparity);
 446     write_setting_i(sesskey, "SerialFlowControl", cfg->serflow);
 447 }
 448
 449 void load_settings(char *section, Config * cfg)
 450 {
 451     void *sesskey;
 452
 453     sesskey = open_settings_r(section);
 454     load_open_settings(sesskey, cfg);
 455     close_settings_r(sesskey);
 456 }
 457
 458 void load_open_settings(void *sesskey, Config *cfg)
 459 {
 460     int i;
 461     char prot[10];
 462
 463     cfg->ssh_subsys = 0;               /* FIXME: load this properly */
 464     cfg->remote_cmd_ptr = NULL;
 465     cfg->remote_cmd_ptr2 = NULL;
 466     cfg->ssh_nc_host[0] = '\0';
 467
 468     gpps(sesskey, "HostName", "", cfg->host, sizeof(cfg->host));
 469     gppfile(sesskey, "LogFileName", &cfg->logfilename);
 470     gppi(sesskey, "LogType", 0, &cfg->logtype);
 471     gppi(sesskey, "LogFileClash", LGXF_ASK, &cfg->logxfovr);
 472     gppi(sesskey, "LogFlush", 1, &cfg->logflush);
 473     gppi(sesskey, "SSHLogOmitPasswords", 1, &cfg->logomitpass);
 474     gppi(sesskey, "SSHLogOmitData", 0, &cfg->logomitdata);
 475
 476     gpps(sesskey, "Protocol", "default", prot, 10);
 477     cfg->protocol = default_protocol;
 478     cfg->port = default_port;
 479     for (i = 0; backends[i].name != NULL; i++)
 480         if (!strcmp(prot, backends[i].name)) {
 481             cfg->protocol = backends[i].protocol;
 482             gppi(sesskey, "PortNumber", default_port, &cfg->port);
 483             break;
 484         }
 485
 486     /* Address family selection */
 487     gppi(sesskey, "AddressFamily", ADDRTYPE_UNSPEC, &cfg->addressfamily);
 488
 489     /* The CloseOnExit numbers are arranged in a different order from
 490      * the standard FORCE_ON / FORCE_OFF / AUTO. */
 491     gppi(sesskey, "CloseOnExit", 1, &i); cfg->close_on_exit = (i+1)%3;
 492     gppi(sesskey, "WarnOnClose", 1, &cfg->warn_on_close);
 493     {
 494         /* This is two values for backward compatibility with 0.50/0.51 */
 495         int pingmin, pingsec;
 496         gppi(sesskey, "PingInterval", 0, &pingmin);
 497         gppi(sesskey, "PingIntervalSecs", 0, &pingsec);
 498         cfg->ping_interval = pingmin * 60 + pingsec;
 499     }
 500     gppi(sesskey, "TCPNoDelay", 1, &cfg->tcp_nodelay);
 501     gppi(sesskey, "TCPKeepalives", 0, &cfg->tcp_keepalives);
 502     gpps(sesskey, "TerminalType", "xterm", cfg->termtype,
 503          sizeof(cfg->termtype));
 504     gpps(sesskey, "TerminalSpeed", "38400,38400", cfg->termspeed,
 505          sizeof(cfg->termspeed));
 506     {
 507         /* This hardcodes a big set of defaults in any new saved
 508          * sessions. Let's hope we don't change our mind. */
 509         int i;
 510         char *def = dupstr("");
 511         /* Default: all set to "auto" */
 512         for (i = 0; ttymodes[i]; i++) {
 513             char *def2 = dupprintf("%s%s=A,", def, ttymodes[i]);
 514             sfree(def);
 515             def = def2;
 516         }
 517         gppmap(sesskey, "TerminalModes", def,
 518                cfg->ttymodes, lenof(cfg->ttymodes));
 519         sfree(def);
 520     }
 521
 522     /* proxy settings */
 523     gpps(sesskey, "ProxyExcludeList", "", cfg->proxy_exclude_list,
 524          sizeof(cfg->proxy_exclude_list));
 525     gppi(sesskey, "ProxyDNS", 1, &i); cfg->proxy_dns = (i+1)%3;
 526     gppi(sesskey, "ProxyLocalhost", 0, &cfg->even_proxy_localhost);
 527     gppi(sesskey, "ProxyMethod", -1, &cfg->proxy_type);
 528     if (cfg->proxy_type == -1) {
 529         int i;
 530         gppi(sesskey, "ProxyType", 0, &i);
 531         if (i == 0)
 532             cfg->proxy_type = PROXY_NONE;
 533         else if (i == 1)
 534             cfg->proxy_type = PROXY_HTTP;
 535         else if (i == 3)
 536             cfg->proxy_type = PROXY_TELNET;
 537         else if (i == 4)
 538             cfg->proxy_type = PROXY_CMD;
 539         else {
 540             gppi(sesskey, "ProxySOCKSVersion", 5, &i);
 541             if (i == 5)
 542                 cfg->proxy_type = PROXY_SOCKS5;
 543             else
 544                 cfg->proxy_type = PROXY_SOCKS4;
 545         }
 546     }
 547     gpps(sesskey, "ProxyHost", "proxy", cfg->proxy_host,
 548          sizeof(cfg->proxy_host));
 549     gppi(sesskey, "ProxyPort", 80, &cfg->proxy_port);
 550     gpps(sesskey, "ProxyUsername", "", cfg->proxy_username,
 551          sizeof(cfg->proxy_username));
 552     gpps(sesskey, "ProxyPassword", "", cfg->proxy_password,
 553          sizeof(cfg->proxy_password));
 554     gpps(sesskey, "ProxyTelnetCommand", "connect %host %port\\n",
 555          cfg->proxy_telnet_command, sizeof(cfg->proxy_telnet_command));
 556     gppmap(sesskey, "Environment", "", cfg->environmt, lenof(cfg->environmt));
 557     gpps(sesskey, "UserName", "", cfg->username, sizeof(cfg->username));
 558     gpps(sesskey, "LocalUserName", "", cfg->localusername,
 559          sizeof(cfg->localusername));
 560     gppi(sesskey, "NoPTY", 0, &cfg->nopty);
 561     gppi(sesskey, "Compression", 0, &cfg->compression);
 562     gppi(sesskey, "TryAgent", 1, &cfg->tryagent);
 563     gppi(sesskey, "AgentFwd", 0, &cfg->agentfwd);
 564     gppi(sesskey, "ChangeUsername", 0, &cfg->change_username);
 565     gprefs(sesskey, "Cipher", "\0",
 566            ciphernames, CIPHER_MAX, cfg->ssh_cipherlist);
 567     {
 568         /* Backward-compatibility: we used to have an option to
 569          * disable gex under the "bugs" panel after one report of
 570          * a server which offered it then choked, but we never got
 571          * a server version string or any other reports. */
 572         char *default_kexes;
 573         gppi(sesskey, "BugDHGEx2", 0, &i); i = 2-i;
 574         if (i == FORCE_ON)
 575             default_kexes = "dh-group14-sha1,dh-group1-sha1,rsa,WARN,dh-gex-sha1";
 576         else
 577             default_kexes = "dh-gex-sha1,dh-group14-sha1,dh-group1-sha1,rsa,WARN";
 578         gprefs(sesskey, "KEX", default_kexes,
 579                kexnames, KEX_MAX, cfg->ssh_kexlist);
 580     }
 581     gppi(sesskey, "RekeyTime", 60, &cfg->ssh_rekey_time);
 582     gpps(sesskey, "RekeyBytes", "1G", cfg->ssh_rekey_data,
 583          sizeof(cfg->ssh_rekey_data));
 584     gppi(sesskey, "SshProt", 2, &cfg->sshprot);
 585     gppi(sesskey, "SSH2DES", 0, &cfg->ssh2_des_cbc);
 586     gppi(sesskey, "SshNoAuth", 0, &cfg->ssh_no_userauth);
 587     gppi(sesskey, "AuthTIS", 0, &cfg->try_tis_auth);
 588     gppi(sesskey, "AuthKI", 1, &cfg->try_ki_auth);
 589     gppi(sesskey, "SshNoShell", 0, &cfg->ssh_no_shell);
 590     gppfile(sesskey, "PublicKeyFile", &cfg->keyfile);
 591     gpps(sesskey, "RemoteCommand", "", cfg->remote_cmd,
 592          sizeof(cfg->remote_cmd));
 593     gppi(sesskey, "RFCEnviron", 0, &cfg->rfc_environ);
 594     gppi(sesskey, "PassiveTelnet", 0, &cfg->passive_telnet);
 595     gppi(sesskey, "BackspaceIsDelete", 1, &cfg->bksp_is_delete);
 596     gppi(sesskey, "RXVTHomeEnd", 0, &cfg->rxvt_homeend);
 597     gppi(sesskey, "LinuxFunctionKeys", 0, &cfg->funky_type);
 598     gppi(sesskey, "NoApplicationKeys", 0, &cfg->no_applic_k);
 599     gppi(sesskey, "NoApplicationCursors", 0, &cfg->no_applic_c);
 600     gppi(sesskey, "NoMouseReporting", 0, &cfg->no_mouse_rep);
 601     gppi(sesskey, "NoRemoteResize", 0, &cfg->no_remote_resize);
 602     gppi(sesskey, "NoAltScreen", 0, &cfg->no_alt_screen);
 603     gppi(sesskey, "NoRemoteWinTitle", 0, &cfg->no_remote_wintitle);
 604     {
 605         /* Backward compatibility */
 606         int no_remote_qtitle;
 607         gppi(sesskey, "NoRemoteQTitle", 1, &no_remote_qtitle);
 608         /* We deliberately interpret the old setting of "no response" as
 609          * "empty string". This changes the behaviour, but hopefully for
 610          * the better; the user can always recover the old behaviour. */
 611         gppi(sesskey, "RemoteQTitleAction",
 612              no_remote_qtitle ? TITLE_EMPTY : TITLE_REAL,
 613              &cfg->remote_qtitle_action);
 614     }
 615     gppi(sesskey, "NoDBackspace", 0, &cfg->no_dbackspace);
 616     gppi(sesskey, "NoRemoteCharset", 0, &cfg->no_remote_charset);
 617     gppi(sesskey, "ApplicationCursorKeys", 0, &cfg->app_cursor);
 618     gppi(sesskey, "ApplicationKeypad", 0, &cfg->app_keypad);
 619     gppi(sesskey, "NetHackKeypad", 0, &cfg->nethack_keypad);
 620     gppi(sesskey, "AltF4", 1, &cfg->alt_f4);
 621     gppi(sesskey, "AltSpace", 0, &cfg->alt_space);
 622     gppi(sesskey, "AltOnly", 0, &cfg->alt_only);
 623     gppi(sesskey, "ComposeKey", 0, &cfg->compose_key);
 624     gppi(sesskey, "CtrlAltKeys", 1, &cfg->ctrlaltkeys);
 625     gppi(sesskey, "TelnetKey", 0, &cfg->telnet_keyboard);
 626     gppi(sesskey, "TelnetRet", 1, &cfg->telnet_newline);
 627     gppi(sesskey, "LocalEcho", AUTO, &cfg->localecho);
 628     gppi(sesskey, "LocalEdit", AUTO, &cfg->localedit);
 629     gpps(sesskey, "Answerback", "PuTTY", cfg->answerback,
 630          sizeof(cfg->answerback));
 631     gppi(sesskey, "AlwaysOnTop", 0, &cfg->alwaysontop);
 632     gppi(sesskey, "FullScreenOnAltEnter", 0, &cfg->fullscreenonaltenter);
 633     gppi(sesskey, "HideMousePtr", 0, &cfg->hide_mouseptr);
 634     gppi(sesskey, "SunkenEdge", 0, &cfg->sunken_edge);
 635     gppi(sesskey, "WindowBorder", 1, &cfg->window_border);
 636     gppi(sesskey, "CurType", 0, &cfg->cursor_type);
 637     gppi(sesskey, "BlinkCur", 0, &cfg->blink_cur);
 638     /* pedantic compiler tells me I can't use &cfg->beep as an int * :-) */
 639     gppi(sesskey, "Beep", 1, &cfg->beep);
 640     gppi(sesskey, "BeepInd", 0, &cfg->beep_ind);
 641     gppfile(sesskey, "BellWaveFile", &cfg->bell_wavefile);
 642     gppi(sesskey, "BellOverload", 1, &cfg->bellovl);
 643     gppi(sesskey, "BellOverloadN", 5, &cfg->bellovl_n);
 644     gppi(sesskey, "BellOverloadT", 2*TICKSPERSEC, &i);
 645     cfg->bellovl_t = i
 646 #ifdef PUTTY_UNIX_H
 647                     / 1000
 648 #endif
 649         ;
 650     gppi(sesskey, "BellOverloadS", 5*TICKSPERSEC, &i);
 651     cfg->bellovl_s = i
 652 #ifdef PUTTY_UNIX_H
 653                     / 1000
 654 #endif
 655         ;
 656     gppi(sesskey, "ScrollbackLines", 200, &cfg->savelines);
 657     gppi(sesskey, "DECOriginMode", 0, &cfg->dec_om);
 658     gppi(sesskey, "AutoWrapMode", 1, &cfg->wrap_mode);
 659     gppi(sesskey, "LFImpliesCR", 0, &cfg->lfhascr);
 660     gppi(sesskey, "DisableArabicShaping", 0, &cfg->arabicshaping);
 661     gppi(sesskey, "DisableBidi", 0, &cfg->bidi);
 662     gppi(sesskey, "WinNameAlways", 1, &cfg->win_name_always);
 663     gpps(sesskey, "WinTitle", "", cfg->wintitle, sizeof(cfg->wintitle));
 664     gppi(sesskey, "TermWidth", 80, &cfg->width);
 665     gppi(sesskey, "TermHeight", 24, &cfg->height);
 666     gppfont(sesskey, "Font", &cfg->font);
 667     gppi(sesskey, "FontQuality", FQ_DEFAULT, &cfg->font_quality);
 668     gppi(sesskey, "FontVTMode", VT_UNICODE, (int *) &cfg->vtmode);
 669     gppi(sesskey, "UseSystemColours", 0, &cfg->system_colour);
 670     gppi(sesskey, "TryPalette", 0, &cfg->try_palette);
 671     gppi(sesskey, "ANSIColour", 1, &cfg->ansi_colour);
 672     gppi(sesskey, "Xterm256Colour", 1, &cfg->xterm_256_colour);
 673     gppi(sesskey, "BoldAsColour", 1, &cfg->bold_colour);
 674
 675     for (i = 0; i < 22; i++) {
 676         static const char *const defaults[] = {
 677             "187,187,187", "255,255,255", "0,0,0", "85,85,85", "0,0,0",
 678             "0,255,0", "0,0,0", "85,85,85", "187,0,0", "255,85,85",
 679             "0,187,0", "85,255,85", "187,187,0", "255,255,85", "0,0,187",
 680             "85,85,255", "187,0,187", "255,85,255", "0,187,187",
 681             "85,255,255", "187,187,187", "255,255,255"
 682         };
 683         char buf[20], buf2[30];
 684         int c0, c1, c2;
 685         sprintf(buf, "Colour%d", i);
 686         gpps(sesskey, buf, defaults[i], buf2, sizeof(buf2));
 687         if (sscanf(buf2, "%d,%d,%d", &c0, &c1, &c2) == 3) {
 688             cfg->colours[i][0] = c0;
 689             cfg->colours[i][1] = c1;
 690             cfg->colours[i][2] = c2;
 691         }
 692     }
 693     gppi(sesskey, "RawCNP", 0, &cfg->rawcnp);
 694     gppi(sesskey, "PasteRTF", 0, &cfg->rtf_paste);
 695     gppi(sesskey, "MouseIsXterm", 0, &cfg->mouse_is_xterm);
 696     gppi(sesskey, "RectSelect", 0, &cfg->rect_select);
 697     gppi(sesskey, "MouseOverride", 1, &cfg->mouse_override);
 698     for (i = 0; i < 256; i += 32) {
 699         static const char *const defaults[] = {
 700             "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",
 701             "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",
 702             "1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,2",
 703             "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",
 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             "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",
 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             "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"
 708         };
 709         char buf[20], buf2[256], *p;
 710         int j;
 711         sprintf(buf, "Wordness%d", i);
 712         gpps(sesskey, buf, defaults[i / 32], buf2, sizeof(buf2));
 713         p = buf2;
 714         for (j = i; j < i + 32; j++) {
 715             char *q = p;
 716             while (*p && *p != ',')
 717                 p++;
 718             if (*p == ',')
 719                 *p++ = '\0';
 720             cfg->wordness[j] = atoi(q);
 721         }
 722     }
 723     /*
 724      * The empty default for LineCodePage will be converted later
 725      * into a plausible default for the locale.
 726      */
 727     gpps(sesskey, "LineCodePage", "", cfg->line_codepage,
 728          sizeof(cfg->line_codepage));
 729     gppi(sesskey, "CJKAmbigWide", 0, &cfg->cjk_ambig_wide);
 730     gppi(sesskey, "UTF8Override", 1, &cfg->utf8_override);
 731     gpps(sesskey, "Printer", "", cfg->printer, sizeof(cfg->printer));
 732     gppi (sesskey, "CapsLockCyr", 0, &cfg->xlat_capslockcyr);
 733     gppi(sesskey, "ScrollBar", 1, &cfg->scrollbar);
 734     gppi(sesskey, "ScrollBarFullScreen", 0, &cfg->scrollbar_in_fullscreen);
 735     gppi(sesskey, "ScrollOnKey", 0, &cfg->scroll_on_key);
 736     gppi(sesskey, "ScrollOnDisp", 1, &cfg->scroll_on_disp);
 737     gppi(sesskey, "EraseToScrollback", 1, &cfg->erase_to_scrollback);
 738     gppi(sesskey, "LockSize", 0, &cfg->resize_action);
 739     gppi(sesskey, "BCE", 1, &cfg->bce);
 740     gppi(sesskey, "BlinkText", 0, &cfg->blinktext);
 741     gppi(sesskey, "X11Forward", 0, &cfg->x11_forward);
 742     gpps(sesskey, "X11Display", "", cfg->x11_display,
 743          sizeof(cfg->x11_display));
 744     gppi(sesskey, "X11AuthType", X11_MIT, &cfg->x11_auth);
 745
 746     gppi(sesskey, "LocalPortAcceptAll", 0, &cfg->lport_acceptall);
 747     gppi(sesskey, "RemotePortAcceptAll", 0, &cfg->rport_acceptall);
 748     gppmap(sesskey, "PortForwardings", "", cfg->portfwd, lenof(cfg->portfwd));
 749     gppi(sesskey, "BugIgnore1", 0, &i); cfg->sshbug_ignore1 = 2-i;
 750     gppi(sesskey, "BugPlainPW1", 0, &i); cfg->sshbug_plainpw1 = 2-i;
 751     gppi(sesskey, "BugRSA1", 0, &i); cfg->sshbug_rsa1 = 2-i;
 752     {
 753         int i;
 754         gppi(sesskey, "BugHMAC2", 0, &i); cfg->sshbug_hmac2 = 2-i;
 755         if (cfg->sshbug_hmac2 == AUTO) {
 756             gppi(sesskey, "BuggyMAC", 0, &i);
 757             if (i == 1)
 758                 cfg->sshbug_hmac2 = FORCE_ON;
 759         }
 760     }
 761     gppi(sesskey, "BugDeriveKey2", 0, &i); cfg->sshbug_derivekey2 = 2-i;
 762     gppi(sesskey, "BugRSAPad2", 0, &i); cfg->sshbug_rsapad2 = 2-i;
 763     gppi(sesskey, "BugPKSessID2", 0, &i); cfg->sshbug_pksessid2 = 2-i;
 764     gppi(sesskey, "BugRekey2", 0, &i); cfg->sshbug_rekey2 = 2-i;
 765     gppi(sesskey, "StampUtmp", 1, &cfg->stamp_utmp);
 766     gppi(sesskey, "LoginShell", 1, &cfg->login_shell);
 767     gppi(sesskey, "ScrollbarOnLeft", 0, &cfg->scrollbar_on_left);
 768     gppi(sesskey, "ShadowBold", 0, &cfg->shadowbold);
 769     gppfont(sesskey, "BoldFont", &cfg->boldfont);
 770     gppfont(sesskey, "WideFont", &cfg->widefont);
 771     gppfont(sesskey, "WideBoldFont", &cfg->wideboldfont);
 772     gppi(sesskey, "ShadowBoldOffset", 1, &cfg->shadowboldoffset);
 773     gpps(sesskey, "SerialLine", "", cfg->serline, sizeof(cfg->serline));
 774     gppi(sesskey, "SerialSpeed", 9600, &cfg->serspeed);
 775     gppi(sesskey, "SerialDataBits", 8, &cfg->serdatabits);
 776     gppi(sesskey, "SerialStopHalfbits", 2, &cfg->serstopbits);
 777     gppi(sesskey, "SerialParity", SER_PAR_NONE, &cfg->serparity);
 778     gppi(sesskey, "SerialFlowControl", SER_FLOW_XONXOFF, &cfg->serflow);
 779 }
 780
 781 void do_defaults(char *session, Config * cfg)
 782 {
 783     load_settings(session, cfg);
 784 }
 785
 786 static int sessioncmp(const void *av, const void *bv)
 787 {
 788     const char *a = *(const char *const *) av;
 789     const char *b = *(const char *const *) bv;
 790
 791     /*
 792      * Alphabetical order, except that "Default Settings" is a
 793      * special case and comes first.
 794      */
 795     if (!strcmp(a, "Default Settings"))
 796         return -1;                     /* a comes first */
 797     if (!strcmp(b, "Default Settings"))
 798         return +1;                     /* b comes first */
 799     /*
 800      * FIXME: perhaps we should ignore the first & in determining
 801      * sort order.
 802      */
 803     return strcmp(a, b);               /* otherwise, compare normally */
 804 }
 805
 806 void get_sesslist(struct sesslist *list, int allocate)
 807 {
 808     char otherbuf[2048];
 809     int buflen, bufsize, i;
 810     char *p, *ret;
 811     void *handle;
 812
 813     if (allocate) {
 814
 815         buflen = bufsize = 0;
 816         list->buffer = NULL;
 817         if ((handle = enum_settings_start()) != NULL) {
 818             do {
 819                 ret = enum_settings_next(handle, otherbuf, sizeof(otherbuf));
 820                 if (ret) {
 821                     int len = strlen(otherbuf) + 1;
 822                     if (bufsize < buflen + len) {
 823                         bufsize = buflen + len + 2048;
 824                         list->buffer = sresize(list->buffer, bufsize, char);
 825                     }
 826                     strcpy(list->buffer + buflen, otherbuf);
 827                     buflen += strlen(list->buffer + buflen) + 1;
 828                 }
 829             } while (ret);
 830             enum_settings_finish(handle);
 831         }
 832         list->buffer = sresize(list->buffer, buflen + 1, char);
 833         list->buffer[buflen] = '\0';
 834
 835         /*
 836          * Now set up the list of sessions. Note that "Default
 837          * Settings" must always be claimed to exist, even if it
 838          * doesn't really.
 839          */
 840
 841         p = list->buffer;
 842         list->nsessions = 1;           /* "Default Settings" counts as one */
 843         while (*p) {
 844             if (strcmp(p, "Default Settings"))
 845                 list->nsessions++;
 846             while (*p)
 847                 p++;
 848             p++;
 849         }
 850
 851         list->sessions = snewn(list->nsessions + 1, char *);
 852         list->sessions[0] = "Default Settings";
 853         p = list->buffer;
 854         i = 1;
 855         while (*p) {
 856             if (strcmp(p, "Default Settings"))
 857                 list->sessions[i++] = p;
 858             while (*p)
 859                 p++;
 860             p++;
 861         }
 862
 863         qsort(list->sessions, i, sizeof(char *), sessioncmp);
 864     } else {
 865         sfree(list->buffer);
 866         sfree(list->sessions);
 867         list->buffer = NULL;
 868         list->sessions = NULL;
 869     }
 870 }