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 /* The cipher order given here is the default order. */
  12 static const struct keyvalwhere ciphernames[] = {
  13     { "aes",        CIPHER_AES,             -1, -1 },
  14     { "blowfish",   CIPHER_BLOWFISH,        -1, -1 },
  15     { "3des",       CIPHER_3DES,            -1, -1 },
  16     { "WARN",       CIPHER_WARN,            -1, -1 },
  17     { "arcfour",    CIPHER_ARCFOUR,         -1, -1 },
  18     { "des",        CIPHER_DES,             -1, -1 }
  19 };
  20
  21 static const struct keyvalwhere kexnames[] = {
  22     { "dh-gex-sha1",        KEX_DHGEX,      -1, -1 },
  23     { "dh-group14-sha1",    KEX_DHGROUP14,  -1, -1 },
  24     { "dh-group1-sha1",     KEX_DHGROUP1,   -1, -1 },
  25     { "rsa",                KEX_RSA,        KEX_WARN, -1 },
  26     { "WARN",               KEX_WARN,       -1, -1 }
  27 };
  28
  29 /*
  30  * All the terminal modes that we know about for the "TerminalModes"
  31  * setting. (Also used by config.c for the drop-down list.)
  32  * This is currently precisely the same as the set in ssh.c, but could
  33  * in principle differ if other backends started to support tty modes
  34  * (e.g., the pty backend).
  35  */
  36 const char *const ttymodes[] = {
  37     "INTR",     "QUIT",     "ERASE",    "KILL",     "EOF",
  38     "EOL",      "EOL2",     "START",    "STOP",     "SUSP",
  39     "DSUSP",    "REPRINT",  "WERASE",   "LNEXT",    "FLUSH",
  40     "SWTCH",    "STATUS",   "DISCARD",  "IGNPAR",   "PARMRK",
  41     "INPCK",    "ISTRIP",   "INLCR",    "IGNCR",    "ICRNL",
  42     "IUCLC",    "IXON",     "IXANY",    "IXOFF",    "IMAXBEL",
  43     "ISIG",     "ICANON",   "XCASE",    "ECHO",     "ECHOE",
  44     "ECHOK",    "ECHONL",   "NOFLSH",   "TOSTOP",   "IEXTEN",
  45     "ECHOCTL",  "ECHOKE",   "PENDIN",   "OPOST",    "OLCUC",
  46     "ONLCR",    "OCRNL",    "ONOCR",    "ONLRET",   "CS7",
  47     "CS8",      "PARENB",   "PARODD",   NULL
  48 };
  49
  50 /*
  51  * Convenience functions to access the backends[] array
  52  * (which is only present in tools that manage settings).
  53  */
  54
  55 Backend *backend_from_name(const char *name)
  56 {
  57     Backend **p;
  58     for (p = backends; *p != NULL; p++)
  59         if (!strcmp((*p)->name, name))
  60             return *p;
  61     return NULL;
  62 }
  63
  64 Backend *backend_from_proto(int proto)
  65 {
  66     Backend **p;
  67     for (p = backends; *p != NULL; p++)
  68         if ((*p)->protocol == proto)
  69             return *p;
  70     return NULL;
  71 }
  72
  73 int get_remote_username(Config *cfg, char *user, size_t len)
  74 {
  75     if (*cfg->username) {
  76         strncpy(user, cfg->username, len);
  77         user[len-1] = '\0';
  78     } else {
  79         if (cfg->username_from_env) {
  80             /* Use local username. */
  81             char *luser = get_username();
  82             if (luser) {
  83                 strncpy(user, luser, len);
  84                 user[len-1] = '\0';
  85                 sfree(luser);
  86             } else {
  87                 *user = '\0';
  88             }
  89         } else {
  90             *user = '\0';
  91         }
  92     }
  93     return (*user != '\0');
  94 }
  95
  96 static void gpps(void *handle, const char *name, const char *def,
  97                  char *val, int len)
  98 {
  99     if (!read_setting_s(handle, name, val, len)) {
 100         char *pdef;
 101
 102         pdef = platform_default_s(name);
 103         if (pdef) {
 104             strncpy(val, pdef, len);
 105             sfree(pdef);
 106         } else {
 107             strncpy(val, def, len);
 108         }
 109
 110         val[len - 1] = '\0';
 111     }
 112 }
 113
 114 /*
 115  * gppfont and gppfile cannot have local defaults, since the very
 116  * format of a Filename or Font is platform-dependent. So the
 117  * platform-dependent functions MUST return some sort of value.
 118  */
 119 static void gppfont(void *handle, const char *name, FontSpec *result)
 120 {
 121     if (!read_setting_fontspec(handle, name, result))
 122         *result = platform_default_fontspec(name);
 123 }
 124 static void gppfile(void *handle, const char *name, Filename *result)
 125 {
 126     if (!read_setting_filename(handle, name, result))
 127         *result = platform_default_filename(name);
 128 }
 129
 130 static void gppi(void *handle, char *name, int def, int *i)
 131 {
 132     def = platform_default_i(name, def);
 133     *i = read_setting_i(handle, name, def);
 134 }
 135
 136 /*
 137  * Read a set of name-value pairs in the format we occasionally use:
 138  *   NAME\tVALUE\0NAME\tVALUE\0\0 in memory
 139  *   NAME=VALUE,NAME=VALUE, in storage
 140  * `def' is in the storage format.
 141  */
 142 static void gppmap(void *handle, char *name, char *def, char *val, int len)
 143 {
 144     char *buf = snewn(2*len, char), *p, *q;
 145     gpps(handle, name, def, buf, 2*len);
 146     p = buf;
 147     q = val;
 148     while (*p) {
 149         while (*p && *p != ',') {
 150             int c = *p++;
 151             if (c == '=')
 152                 c = '\t';
 153             if (c == '\\')
 154                 c = *p++;
 155             *q++ = c;
 156         }
 157         if (*p == ',')
 158             p++;
 159         *q++ = '\0';
 160     }
 161     *q = '\0';
 162     sfree(buf);
 163 }
 164
 165 /*
 166  * Write a set of name/value pairs in the above format.
 167  */
 168 static void wmap(void *handle, char const *key, char const *value, int len)
 169 {
 170     char *buf = snewn(2*len, char), *p;
 171     const char *q;
 172     p = buf;
 173     q = value;
 174     while (*q) {
 175         while (*q) {
 176             int c = *q++;
 177             if (c == '=' || c == ',' || c == '\\')
 178                 *p++ = '\\';
 179             if (c == '\t')
 180                 c = '=';
 181             *p++ = c;
 182         }
 183         *p++ = ',';
 184         q++;
 185     }
 186     *p = '\0';
 187     write_setting_s(handle, key, buf);
 188     sfree(buf);
 189 }
 190
 191 static int key2val(const struct keyvalwhere *mapping,
 192                    int nmaps, char *key)
 193 {
 194     int i;
 195     for (i = 0; i < nmaps; i++)
 196         if (!strcmp(mapping[i].s, key)) return mapping[i].v;
 197     return -1;
 198 }
 199
 200 static const char *val2key(const struct keyvalwhere *mapping,
 201                            int nmaps, int val)
 202 {
 203     int i;
 204     for (i = 0; i < nmaps; i++)
 205         if (mapping[i].v == val) return mapping[i].s;
 206     return NULL;
 207 }
 208
 209 /*
 210  * Helper function to parse a comma-separated list of strings into
 211  * a preference list array of values. Any missing values are added
 212  * to the end and duplicates are weeded.
 213  * XXX: assumes vals in 'mapping' are small +ve integers
 214  */
 215 static void gprefs(void *sesskey, char *name, char *def,
 216                    const struct keyvalwhere *mapping, int nvals,
 217                    int *array)
 218 {
 219     char commalist[256];
 220     char *p, *q;
 221     int i, j, n, v, pos;
 222     unsigned long seen = 0;            /* bitmap for weeding dups etc */
 223
 224     /*
 225      * Fetch the string which we'll parse as a comma-separated list.
 226      */
 227     gpps(sesskey, name, def, commalist, sizeof(commalist));
 228
 229     /*
 230      * Go through that list and convert it into values.
 231      */
 232     n = 0;
 233     p = commalist;
 234     while (1) {
 235         while (*p && *p == ',') p++;
 236         if (!*p)
 237             break;                     /* no more words */
 238
 239         q = p;
 240         while (*p && *p != ',') p++;
 241         if (*p) *p++ = '\0';
 242
 243         v = key2val(mapping, nvals, q);
 244         if (v != -1 && !(seen & (1 << v))) {
 245             seen |= (1 << v);
 246             array[n++] = v;
 247         }
 248     }
 249
 250     /*
 251      * Now go through 'mapping' and add values that weren't mentioned
 252      * in the list we fetched. We may have to loop over it multiple
 253      * times so that we add values before other values whose default
 254      * positions depend on them.
 255      */
 256     while (n < nvals) {
 257         for (i = 0; i < nvals; i++) {
 258             assert(mapping[i].v < 32);
 259
 260             if (!(seen & (1 << mapping[i].v))) {
 261                 /*
 262                  * This element needs adding. But can we add it yet?
 263                  */
 264                 if (mapping[i].vrel != -1 && !(seen & (1 << mapping[i].vrel)))
 265                     continue;          /* nope */
 266
 267                 /*
 268                  * OK, we can work out where to add this element, so
 269                  * do so.
 270                  */
 271                 if (mapping[i].vrel == -1) {
 272                     pos = (mapping[i].where < 0 ? n : 0);
 273                 } else {
 274                     for (j = 0; j < n; j++)
 275                         if (array[j] == mapping[i].vrel)
 276                             break;
 277                     assert(j < n);     /* implied by (seen & (1<<vrel)) */
 278                     pos = (mapping[i].where < 0 ? j : j+1);
 279                 }
 280
 281                 /*
 282                  * And add it.
 283                  */
 284                 for (j = n-1; j >= pos; j--)
 285                     array[j+1] = array[j];
 286                 array[pos] = mapping[i].v;
 287                 n++;
 288             }
 289         }
 290     }
 291 }
 292
 293 /*
 294  * Write out a preference list.
 295  */
 296 static void wprefs(void *sesskey, char *name,
 297                    const struct keyvalwhere *mapping, int nvals,
 298                    int *array)
 299 {
 300     char *buf, *p;
 301     int i, maxlen;
 302
 303     for (maxlen = i = 0; i < nvals; i++) {
 304         const char *s = val2key(mapping, nvals, array[i]);
 305         if (s) {
 306             maxlen += (maxlen > 0 ? 1 : 0) + strlen(s);
 307         }
 308     }
 309
 310     buf = snewn(maxlen + 1, char);
 311     p = buf;
 312
 313     for (i = 0; i < nvals; i++) {
 314         const char *s = val2key(mapping, nvals, array[i]);
 315         if (s) {
 316             p += sprintf(p, "%s%s", (p > buf ? "," : ""), s);
 317         }
 318     }
 319
 320     assert(p - buf == maxlen);
 321     *p = '\0';
 322
 323     write_setting_s(sesskey, name, buf);
 324
 325     sfree(buf);
 326 }
 327
 328 char *save_settings(char *section, Config * cfg)
 329 {
 330     void *sesskey;
 331     char *errmsg;
 332
 333     sesskey = open_settings_w(section, &errmsg);
 334     if (!sesskey)
 335         return errmsg;
 336     save_open_settings(sesskey, cfg);
 337     close_settings_w(sesskey);
 338     return NULL;
 339 }
 340
 341 void save_open_settings(void *sesskey, Config *cfg)
 342 {
 343     int i;
 344     char *p;
 345
 346     write_setting_i(sesskey, "Present", 1);
 347     write_setting_s(sesskey, "HostName", cfg->host);
 348     write_setting_filename(sesskey, "LogFileName", cfg->logfilename);
 349     write_setting_i(sesskey, "LogType", cfg->logtype);
 350     write_setting_i(sesskey, "LogFileClash", cfg->logxfovr);
 351     write_setting_i(sesskey, "LogFlush", cfg->logflush);
 352     write_setting_i(sesskey, "SSHLogOmitPasswords", cfg->logomitpass);
 353     write_setting_i(sesskey, "SSHLogOmitData", cfg->logomitdata);
 354     p = "raw";
 355     {
 356         const Backend *b = backend_from_proto(cfg->protocol);
 357         if (b)
 358             p = b->name;
 359     }
 360     write_setting_s(sesskey, "Protocol", p);
 361     write_setting_i(sesskey, "PortNumber", cfg->port);
 362     /* The CloseOnExit numbers are arranged in a different order from
 363      * the standard FORCE_ON / FORCE_OFF / AUTO. */
 364     write_setting_i(sesskey, "CloseOnExit", (cfg->close_on_exit+2)%3);
 365     write_setting_i(sesskey, "WarnOnClose", !!cfg->warn_on_close);
 366     write_setting_i(sesskey, "PingInterval", cfg->ping_interval / 60);  /* minutes */
 367     write_setting_i(sesskey, "PingIntervalSecs", cfg->ping_interval % 60);      /* seconds */
 368     write_setting_i(sesskey, "TCPNoDelay", cfg->tcp_nodelay);
 369     write_setting_i(sesskey, "TCPKeepalives", cfg->tcp_keepalives);
 370     write_setting_s(sesskey, "TerminalType", cfg->termtype);
 371     write_setting_s(sesskey, "TerminalSpeed", cfg->termspeed);
 372     wmap(sesskey, "TerminalModes", cfg->ttymodes, lenof(cfg->ttymodes));
 373
 374     /* Address family selection */
 375     write_setting_i(sesskey, "AddressFamily", cfg->addressfamily);
 376
 377     /* proxy settings */
 378     write_setting_s(sesskey, "ProxyExcludeList", cfg->proxy_exclude_list);
 379     write_setting_i(sesskey, "ProxyDNS", (cfg->proxy_dns+2)%3);
 380     write_setting_i(sesskey, "ProxyLocalhost", cfg->even_proxy_localhost);
 381     write_setting_i(sesskey, "ProxyMethod", cfg->proxy_type);
 382     write_setting_s(sesskey, "ProxyHost", cfg->proxy_host);
 383     write_setting_i(sesskey, "ProxyPort", cfg->proxy_port);
 384     write_setting_s(sesskey, "ProxyUsername", cfg->proxy_username);
 385     write_setting_s(sesskey, "ProxyPassword", cfg->proxy_password);
 386     write_setting_s(sesskey, "ProxyTelnetCommand", cfg->proxy_telnet_command);
 387     wmap(sesskey, "Environment", cfg->environmt, lenof(cfg->environmt));
 388     write_setting_s(sesskey, "UserName", cfg->username);
 389     write_setting_i(sesskey, "UserNameFromEnvironment", cfg->username_from_env);
 390     write_setting_s(sesskey, "LocalUserName", cfg->localusername);
 391     write_setting_i(sesskey, "NoPTY", cfg->nopty);
 392     write_setting_i(sesskey, "Compression", cfg->compression);
 393     write_setting_i(sesskey, "TryAgent", cfg->tryagent);
 394     write_setting_i(sesskey, "AgentFwd", cfg->agentfwd);
 395     write_setting_i(sesskey, "GssapiFwd", cfg->gssapifwd);
 396     write_setting_i(sesskey, "ChangeUsername", cfg->change_username);
 397     wprefs(sesskey, "Cipher", ciphernames, CIPHER_MAX,
 398            cfg->ssh_cipherlist);
 399     wprefs(sesskey, "KEX", kexnames, KEX_MAX, cfg->ssh_kexlist);
 400     write_setting_i(sesskey, "RekeyTime", cfg->ssh_rekey_time);
 401     write_setting_s(sesskey, "RekeyBytes", cfg->ssh_rekey_data);
 402     write_setting_i(sesskey, "SshNoAuth", cfg->ssh_no_userauth);
 403     write_setting_i(sesskey, "SshBanner", cfg->ssh_show_banner);
 404     write_setting_i(sesskey, "AuthTIS", cfg->try_tis_auth);
 405     write_setting_i(sesskey, "AuthKI", cfg->try_ki_auth);
 406     write_setting_i(sesskey, "AuthGSSAPI", cfg->try_gssapi_auth);
 407 #ifndef NO_GSSAPI
 408     wprefs(sesskey, "GSSLibs", gsslibkeywords, ngsslibs,
 409            cfg->ssh_gsslist);
 410     write_setting_filename(sesskey, "GSSCustom", cfg->ssh_gss_custom);
 411 #endif
 412     write_setting_i(sesskey, "SshNoShell", cfg->ssh_no_shell);
 413     write_setting_i(sesskey, "SshProt", cfg->sshprot);
 414     write_setting_s(sesskey, "LogHost", cfg->loghost);
 415     write_setting_i(sesskey, "SSH2DES", cfg->ssh2_des_cbc);
 416     write_setting_filename(sesskey, "PublicKeyFile", cfg->keyfile);
 417     write_setting_s(sesskey, "RemoteCommand", cfg->remote_cmd);
 418     write_setting_i(sesskey, "RFCEnviron", cfg->rfc_environ);
 419     write_setting_i(sesskey, "PassiveTelnet", cfg->passive_telnet);
 420     write_setting_i(sesskey, "BackspaceIsDelete", cfg->bksp_is_delete);
 421     write_setting_i(sesskey, "RXVTHomeEnd", cfg->rxvt_homeend);
 422     write_setting_i(sesskey, "LinuxFunctionKeys", cfg->funky_type);
 423     write_setting_i(sesskey, "NoApplicationKeys", cfg->no_applic_k);
 424     write_setting_i(sesskey, "NoApplicationCursors", cfg->no_applic_c);
 425     write_setting_i(sesskey, "NoMouseReporting", cfg->no_mouse_rep);
 426     write_setting_i(sesskey, "NoRemoteResize", cfg->no_remote_resize);
 427     write_setting_i(sesskey, "NoAltScreen", cfg->no_alt_screen);
 428     write_setting_i(sesskey, "NoRemoteWinTitle", cfg->no_remote_wintitle);
 429     write_setting_i(sesskey, "RemoteQTitleAction", cfg->remote_qtitle_action);
 430     write_setting_i(sesskey, "NoDBackspace", cfg->no_dbackspace);
 431     write_setting_i(sesskey, "NoRemoteCharset", cfg->no_remote_charset);
 432     write_setting_i(sesskey, "ApplicationCursorKeys", cfg->app_cursor);
 433     write_setting_i(sesskey, "ApplicationKeypad", cfg->app_keypad);
 434     write_setting_i(sesskey, "NetHackKeypad", cfg->nethack_keypad);
 435     write_setting_i(sesskey, "AltF4", cfg->alt_f4);
 436     write_setting_i(sesskey, "AltSpace", cfg->alt_space);
 437     write_setting_i(sesskey, "AltOnly", cfg->alt_only);
 438     write_setting_i(sesskey, "ComposeKey", cfg->compose_key);
 439     write_setting_i(sesskey, "CtrlAltKeys", cfg->ctrlaltkeys);
 440     write_setting_i(sesskey, "TelnetKey", cfg->telnet_keyboard);
 441     write_setting_i(sesskey, "TelnetRet", cfg->telnet_newline);
 442     write_setting_i(sesskey, "LocalEcho", cfg->localecho);
 443     write_setting_i(sesskey, "LocalEdit", cfg->localedit);
 444     write_setting_s(sesskey, "Answerback", cfg->answerback);
 445     write_setting_i(sesskey, "AlwaysOnTop", cfg->alwaysontop);
 446     write_setting_i(sesskey, "FullScreenOnAltEnter", cfg->fullscreenonaltenter);
 447     write_setting_i(sesskey, "HideMousePtr", cfg->hide_mouseptr);
 448     write_setting_i(sesskey, "SunkenEdge", cfg->sunken_edge);
 449     write_setting_i(sesskey, "WindowBorder", cfg->window_border);
 450     write_setting_i(sesskey, "CurType", cfg->cursor_type);
 451     write_setting_i(sesskey, "BlinkCur", cfg->blink_cur);
 452     write_setting_i(sesskey, "Beep", cfg->beep);
 453     write_setting_i(sesskey, "BeepInd", cfg->beep_ind);
 454     write_setting_filename(sesskey, "BellWaveFile", cfg->bell_wavefile);
 455     write_setting_i(sesskey, "BellOverload", cfg->bellovl);
 456     write_setting_i(sesskey, "BellOverloadN", cfg->bellovl_n);
 457     write_setting_i(sesskey, "BellOverloadT", cfg->bellovl_t
 458 #ifdef PUTTY_UNIX_H
 459                     * 1000
 460 #endif
 461                     );
 462     write_setting_i(sesskey, "BellOverloadS", cfg->bellovl_s
 463 #ifdef PUTTY_UNIX_H
 464                     * 1000
 465 #endif
 466                     );
 467     write_setting_i(sesskey, "ScrollbackLines", cfg->savelines);
 468     write_setting_i(sesskey, "DECOriginMode", cfg->dec_om);
 469     write_setting_i(sesskey, "AutoWrapMode", cfg->wrap_mode);
 470     write_setting_i(sesskey, "LFImpliesCR", cfg->lfhascr);
 471     write_setting_i(sesskey, "CRImpliesLF", cfg->crhaslf);
 472     write_setting_i(sesskey, "DisableArabicShaping", cfg->arabicshaping);
 473     write_setting_i(sesskey, "DisableBidi", cfg->bidi);
 474     write_setting_i(sesskey, "WinNameAlways", cfg->win_name_always);
 475     write_setting_s(sesskey, "WinTitle", cfg->wintitle);
 476     write_setting_i(sesskey, "TermWidth", cfg->width);
 477     write_setting_i(sesskey, "TermHeight", cfg->height);
 478     write_setting_fontspec(sesskey, "Font", cfg->font);
 479     write_setting_i(sesskey, "FontQuality", cfg->font_quality);
 480     write_setting_i(sesskey, "FontVTMode", cfg->vtmode);
 481     write_setting_i(sesskey, "UseSystemColours", cfg->system_colour);
 482     write_setting_i(sesskey, "TryPalette", cfg->try_palette);
 483     write_setting_i(sesskey, "ANSIColour", cfg->ansi_colour);
 484     write_setting_i(sesskey, "Xterm256Colour", cfg->xterm_256_colour);
 485     write_setting_i(sesskey, "BoldAsColour", cfg->bold_colour);
 486
 487     for (i = 0; i < 22; i++) {
 488         char buf[20], buf2[30];
 489         sprintf(buf, "Colour%d", i);
 490         sprintf(buf2, "%d,%d,%d", cfg->colours[i][0],
 491                 cfg->colours[i][1], cfg->colours[i][2]);
 492         write_setting_s(sesskey, buf, buf2);
 493     }
 494     write_setting_i(sesskey, "RawCNP", cfg->rawcnp);
 495     write_setting_i(sesskey, "PasteRTF", cfg->rtf_paste);
 496     write_setting_i(sesskey, "MouseIsXterm", cfg->mouse_is_xterm);
 497     write_setting_i(sesskey, "RectSelect", cfg->rect_select);
 498     write_setting_i(sesskey, "MouseOverride", cfg->mouse_override);
 499     for (i = 0; i < 256; i += 32) {
 500         char buf[20], buf2[256];
 501         int j;
 502         sprintf(buf, "Wordness%d", i);
 503         *buf2 = '\0';
 504         for (j = i; j < i + 32; j++) {
 505             sprintf(buf2 + strlen(buf2), "%s%d",
 506                     (*buf2 ? "," : ""), cfg->wordness[j]);
 507         }
 508         write_setting_s(sesskey, buf, buf2);
 509     }
 510     write_setting_s(sesskey, "LineCodePage", cfg->line_codepage);
 511     write_setting_i(sesskey, "CJKAmbigWide", cfg->cjk_ambig_wide);
 512     write_setting_i(sesskey, "UTF8Override", cfg->utf8_override);
 513     write_setting_s(sesskey, "Printer", cfg->printer);
 514     write_setting_i(sesskey, "CapsLockCyr", cfg->xlat_capslockcyr);
 515     write_setting_i(sesskey, "ScrollBar", cfg->scrollbar);
 516     write_setting_i(sesskey, "ScrollBarFullScreen", cfg->scrollbar_in_fullscreen);
 517     write_setting_i(sesskey, "ScrollOnKey", cfg->scroll_on_key);
 518     write_setting_i(sesskey, "ScrollOnDisp", cfg->scroll_on_disp);
 519     write_setting_i(sesskey, "EraseToScrollback", cfg->erase_to_scrollback);
 520     write_setting_i(sesskey, "LockSize", cfg->resize_action);
 521     write_setting_i(sesskey, "BCE", cfg->bce);
 522     write_setting_i(sesskey, "BlinkText", cfg->blinktext);
 523     write_setting_i(sesskey, "X11Forward", cfg->x11_forward);
 524     write_setting_s(sesskey, "X11Display", cfg->x11_display);
 525     write_setting_i(sesskey, "X11AuthType", cfg->x11_auth);
 526     write_setting_filename(sesskey, "X11AuthFile", cfg->xauthfile);
 527     write_setting_i(sesskey, "LocalPortAcceptAll", cfg->lport_acceptall);
 528     write_setting_i(sesskey, "RemotePortAcceptAll", cfg->rport_acceptall);
 529     wmap(sesskey, "PortForwardings", cfg->portfwd, lenof(cfg->portfwd));
 530     write_setting_i(sesskey, "BugIgnore1", 2-cfg->sshbug_ignore1);
 531     write_setting_i(sesskey, "BugPlainPW1", 2-cfg->sshbug_plainpw1);
 532     write_setting_i(sesskey, "BugRSA1", 2-cfg->sshbug_rsa1);
 533     write_setting_i(sesskey, "BugIgnore2", 2-cfg->sshbug_ignore2);
 534     write_setting_i(sesskey, "BugHMAC2", 2-cfg->sshbug_hmac2);
 535     write_setting_i(sesskey, "BugDeriveKey2", 2-cfg->sshbug_derivekey2);
 536     write_setting_i(sesskey, "BugRSAPad2", 2-cfg->sshbug_rsapad2);
 537     write_setting_i(sesskey, "BugPKSessID2", 2-cfg->sshbug_pksessid2);
 538     write_setting_i(sesskey, "BugRekey2", 2-cfg->sshbug_rekey2);
 539     write_setting_i(sesskey, "BugMaxPkt2", 2-cfg->sshbug_maxpkt2);
 540     write_setting_i(sesskey, "StampUtmp", cfg->stamp_utmp);
 541     write_setting_i(sesskey, "LoginShell", cfg->login_shell);
 542     write_setting_i(sesskey, "ScrollbarOnLeft", cfg->scrollbar_on_left);
 543     write_setting_fontspec(sesskey, "BoldFont", cfg->boldfont);
 544     write_setting_fontspec(sesskey, "WideFont", cfg->widefont);
 545     write_setting_fontspec(sesskey, "WideBoldFont", cfg->wideboldfont);
 546     write_setting_i(sesskey, "ShadowBold", cfg->shadowbold);
 547     write_setting_i(sesskey, "ShadowBoldOffset", cfg->shadowboldoffset);
 548     write_setting_s(sesskey, "SerialLine", cfg->serline);
 549     write_setting_i(sesskey, "SerialSpeed", cfg->serspeed);
 550     write_setting_i(sesskey, "SerialDataBits", cfg->serdatabits);
 551     write_setting_i(sesskey, "SerialStopHalfbits", cfg->serstopbits);
 552     write_setting_i(sesskey, "SerialParity", cfg->serparity);
 553     write_setting_i(sesskey, "SerialFlowControl", cfg->serflow);
 554     write_setting_s(sesskey, "WindowClass", cfg->winclass);
 555 }
 556
 557 void load_settings(char *section, Config * cfg)
 558 {
 559     void *sesskey;
 560
 561     sesskey = open_settings_r(section);
 562     load_open_settings(sesskey, cfg);
 563     close_settings_r(sesskey);
 564
 565     if (cfg_launchable(cfg))
 566         add_session_to_jumplist(section);
 567 }
 568
 569 void load_open_settings(void *sesskey, Config *cfg)
 570 {
 571     int i;
 572     char prot[10];
 573
 574     cfg->ssh_subsys = 0;               /* FIXME: load this properly */
 575     cfg->remote_cmd_ptr = NULL;
 576     cfg->remote_cmd_ptr2 = NULL;
 577     cfg->ssh_nc_host[0] = '\0';
 578
 579     gpps(sesskey, "HostName", "", cfg->host, sizeof(cfg->host));
 580     gppfile(sesskey, "LogFileName", &cfg->logfilename);
 581     gppi(sesskey, "LogType", 0, &cfg->logtype);
 582     gppi(sesskey, "LogFileClash", LGXF_ASK, &cfg->logxfovr);
 583     gppi(sesskey, "LogFlush", 1, &cfg->logflush);
 584     gppi(sesskey, "SSHLogOmitPasswords", 1, &cfg->logomitpass);
 585     gppi(sesskey, "SSHLogOmitData", 0, &cfg->logomitdata);
 586
 587     gpps(sesskey, "Protocol", "default", prot, 10);
 588     cfg->protocol = default_protocol;
 589     cfg->port = default_port;
 590     {
 591         const Backend *b = backend_from_name(prot);
 592         if (b) {
 593             cfg->protocol = b->protocol;
 594             gppi(sesskey, "PortNumber", default_port, &cfg->port);
 595         }
 596     }
 597
 598     /* Address family selection */
 599     gppi(sesskey, "AddressFamily", ADDRTYPE_UNSPEC, &cfg->addressfamily);
 600
 601     /* The CloseOnExit numbers are arranged in a different order from
 602      * the standard FORCE_ON / FORCE_OFF / AUTO. */
 603     gppi(sesskey, "CloseOnExit", 1, &i); cfg->close_on_exit = (i+1)%3;
 604     gppi(sesskey, "WarnOnClose", 1, &cfg->warn_on_close);
 605     {
 606         /* This is two values for backward compatibility with 0.50/0.51 */
 607         int pingmin, pingsec;
 608         gppi(sesskey, "PingInterval", 0, &pingmin);
 609         gppi(sesskey, "PingIntervalSecs", 0, &pingsec);
 610         cfg->ping_interval = pingmin * 60 + pingsec;
 611     }
 612     gppi(sesskey, "TCPNoDelay", 1, &cfg->tcp_nodelay);
 613     gppi(sesskey, "TCPKeepalives", 0, &cfg->tcp_keepalives);
 614     gpps(sesskey, "TerminalType", "xterm", cfg->termtype,
 615          sizeof(cfg->termtype));
 616     gpps(sesskey, "TerminalSpeed", "38400,38400", cfg->termspeed,
 617          sizeof(cfg->termspeed));
 618     {
 619         /* This hardcodes a big set of defaults in any new saved
 620          * sessions. Let's hope we don't change our mind. */
 621         int i;
 622         char *def = dupstr("");
 623         /* Default: all set to "auto" */
 624         for (i = 0; ttymodes[i]; i++) {
 625             char *def2 = dupprintf("%s%s=A,", def, ttymodes[i]);
 626             sfree(def);
 627             def = def2;
 628         }
 629         gppmap(sesskey, "TerminalModes", def,
 630                cfg->ttymodes, lenof(cfg->ttymodes));
 631         sfree(def);
 632     }
 633
 634     /* proxy settings */
 635     gpps(sesskey, "ProxyExcludeList", "", cfg->proxy_exclude_list,
 636          sizeof(cfg->proxy_exclude_list));
 637     gppi(sesskey, "ProxyDNS", 1, &i); cfg->proxy_dns = (i+1)%3;
 638     gppi(sesskey, "ProxyLocalhost", 0, &cfg->even_proxy_localhost);
 639     gppi(sesskey, "ProxyMethod", -1, &cfg->proxy_type);
 640     if (cfg->proxy_type == -1) {
 641         int i;
 642         gppi(sesskey, "ProxyType", 0, &i);
 643         if (i == 0)
 644             cfg->proxy_type = PROXY_NONE;
 645         else if (i == 1)
 646             cfg->proxy_type = PROXY_HTTP;
 647         else if (i == 3)
 648             cfg->proxy_type = PROXY_TELNET;
 649         else if (i == 4)
 650             cfg->proxy_type = PROXY_CMD;
 651         else {
 652             gppi(sesskey, "ProxySOCKSVersion", 5, &i);
 653             if (i == 5)
 654                 cfg->proxy_type = PROXY_SOCKS5;
 655             else
 656                 cfg->proxy_type = PROXY_SOCKS4;
 657         }
 658     }
 659     gpps(sesskey, "ProxyHost", "proxy", cfg->proxy_host,
 660          sizeof(cfg->proxy_host));
 661     gppi(sesskey, "ProxyPort", 80, &cfg->proxy_port);
 662     gpps(sesskey, "ProxyUsername", "", cfg->proxy_username,
 663          sizeof(cfg->proxy_username));
 664     gpps(sesskey, "ProxyPassword", "", cfg->proxy_password,
 665          sizeof(cfg->proxy_password));
 666     gpps(sesskey, "ProxyTelnetCommand", "connect %host %port\\n",
 667          cfg->proxy_telnet_command, sizeof(cfg->proxy_telnet_command));
 668     gppmap(sesskey, "Environment", "", cfg->environmt, lenof(cfg->environmt));
 669     gpps(sesskey, "UserName", "", cfg->username, sizeof(cfg->username));
 670     gppi(sesskey, "UserNameFromEnvironment", 0, &cfg->username_from_env);
 671     gpps(sesskey, "LocalUserName", "", cfg->localusername,
 672          sizeof(cfg->localusername));
 673     gppi(sesskey, "NoPTY", 0, &cfg->nopty);
 674     gppi(sesskey, "Compression", 0, &cfg->compression);
 675     gppi(sesskey, "TryAgent", 1, &cfg->tryagent);
 676     gppi(sesskey, "AgentFwd", 0, &cfg->agentfwd);
 677     gppi(sesskey, "ChangeUsername", 0, &cfg->change_username);
 678     gppi(sesskey, "GssapiFwd", 0, &cfg->gssapifwd);
 679     gprefs(sesskey, "Cipher", "\0",
 680            ciphernames, CIPHER_MAX, cfg->ssh_cipherlist);
 681     {
 682         /* Backward-compatibility: we used to have an option to
 683          * disable gex under the "bugs" panel after one report of
 684          * a server which offered it then choked, but we never got
 685          * a server version string or any other reports. */
 686         char *default_kexes;
 687         gppi(sesskey, "BugDHGEx2", 0, &i); i = 2-i;
 688         if (i == FORCE_ON)
 689             default_kexes = "dh-group14-sha1,dh-group1-sha1,rsa,WARN,dh-gex-sha1";
 690         else
 691             default_kexes = "dh-gex-sha1,dh-group14-sha1,dh-group1-sha1,rsa,WARN";
 692         gprefs(sesskey, "KEX", default_kexes,
 693                kexnames, KEX_MAX, cfg->ssh_kexlist);
 694     }
 695     gppi(sesskey, "RekeyTime", 60, &cfg->ssh_rekey_time);
 696     gpps(sesskey, "RekeyBytes", "1G", cfg->ssh_rekey_data,
 697          sizeof(cfg->ssh_rekey_data));
 698     gppi(sesskey, "SshProt", 2, &cfg->sshprot);
 699     gpps(sesskey, "LogHost", "", cfg->loghost, sizeof(cfg->loghost));
 700     gppi(sesskey, "SSH2DES", 0, &cfg->ssh2_des_cbc);
 701     gppi(sesskey, "SshNoAuth", 0, &cfg->ssh_no_userauth);
 702     gppi(sesskey, "SshBanner", 1, &cfg->ssh_show_banner);
 703     gppi(sesskey, "AuthTIS", 0, &cfg->try_tis_auth);
 704     gppi(sesskey, "AuthKI", 1, &cfg->try_ki_auth);
 705     gppi(sesskey, "AuthGSSAPI", 1, &cfg->try_gssapi_auth);
 706 #ifndef NO_GSSAPI
 707     gprefs(sesskey, "GSSLibs", "\0",
 708            gsslibkeywords, ngsslibs, cfg->ssh_gsslist);
 709     gppfile(sesskey, "GSSCustom", &cfg->ssh_gss_custom);
 710 #endif
 711     gppi(sesskey, "SshNoShell", 0, &cfg->ssh_no_shell);
 712     gppfile(sesskey, "PublicKeyFile", &cfg->keyfile);
 713     gpps(sesskey, "RemoteCommand", "", cfg->remote_cmd,
 714          sizeof(cfg->remote_cmd));
 715     gppi(sesskey, "RFCEnviron", 0, &cfg->rfc_environ);
 716     gppi(sesskey, "PassiveTelnet", 0, &cfg->passive_telnet);
 717     gppi(sesskey, "BackspaceIsDelete", 1, &cfg->bksp_is_delete);
 718     gppi(sesskey, "RXVTHomeEnd", 0, &cfg->rxvt_homeend);
 719     gppi(sesskey, "LinuxFunctionKeys", 0, &cfg->funky_type);
 720     gppi(sesskey, "NoApplicationKeys", 0, &cfg->no_applic_k);
 721     gppi(sesskey, "NoApplicationCursors", 0, &cfg->no_applic_c);
 722     gppi(sesskey, "NoMouseReporting", 0, &cfg->no_mouse_rep);
 723     gppi(sesskey, "NoRemoteResize", 0, &cfg->no_remote_resize);
 724     gppi(sesskey, "NoAltScreen", 0, &cfg->no_alt_screen);
 725     gppi(sesskey, "NoRemoteWinTitle", 0, &cfg->no_remote_wintitle);
 726     {
 727         /* Backward compatibility */
 728         int no_remote_qtitle;
 729         gppi(sesskey, "NoRemoteQTitle", 1, &no_remote_qtitle);
 730         /* We deliberately interpret the old setting of "no response" as
 731          * "empty string". This changes the behaviour, but hopefully for
 732          * the better; the user can always recover the old behaviour. */
 733         gppi(sesskey, "RemoteQTitleAction",
 734              no_remote_qtitle ? TITLE_EMPTY : TITLE_REAL,
 735              &cfg->remote_qtitle_action);
 736     }
 737     gppi(sesskey, "NoDBackspace", 0, &cfg->no_dbackspace);
 738     gppi(sesskey, "NoRemoteCharset", 0, &cfg->no_remote_charset);
 739     gppi(sesskey, "ApplicationCursorKeys", 0, &cfg->app_cursor);
 740     gppi(sesskey, "ApplicationKeypad", 0, &cfg->app_keypad);
 741     gppi(sesskey, "NetHackKeypad", 0, &cfg->nethack_keypad);
 742     gppi(sesskey, "AltF4", 1, &cfg->alt_f4);
 743     gppi(sesskey, "AltSpace", 0, &cfg->alt_space);
 744     gppi(sesskey, "AltOnly", 0, &cfg->alt_only);
 745     gppi(sesskey, "ComposeKey", 0, &cfg->compose_key);
 746     gppi(sesskey, "CtrlAltKeys", 1, &cfg->ctrlaltkeys);
 747     gppi(sesskey, "TelnetKey", 0, &cfg->telnet_keyboard);
 748     gppi(sesskey, "TelnetRet", 1, &cfg->telnet_newline);
 749     gppi(sesskey, "LocalEcho", AUTO, &cfg->localecho);
 750     gppi(sesskey, "LocalEdit", AUTO, &cfg->localedit);
 751     gpps(sesskey, "Answerback", "PuTTY", cfg->answerback,
 752          sizeof(cfg->answerback));
 753     gppi(sesskey, "AlwaysOnTop", 0, &cfg->alwaysontop);
 754     gppi(sesskey, "FullScreenOnAltEnter", 0, &cfg->fullscreenonaltenter);
 755     gppi(sesskey, "HideMousePtr", 0, &cfg->hide_mouseptr);
 756     gppi(sesskey, "SunkenEdge", 0, &cfg->sunken_edge);
 757     gppi(sesskey, "WindowBorder", 1, &cfg->window_border);
 758     gppi(sesskey, "CurType", 0, &cfg->cursor_type);
 759     gppi(sesskey, "BlinkCur", 0, &cfg->blink_cur);
 760     /* pedantic compiler tells me I can't use &cfg->beep as an int * :-) */
 761     gppi(sesskey, "Beep", 1, &cfg->beep);
 762     gppi(sesskey, "BeepInd", 0, &cfg->beep_ind);
 763     gppfile(sesskey, "BellWaveFile", &cfg->bell_wavefile);
 764     gppi(sesskey, "BellOverload", 1, &cfg->bellovl);
 765     gppi(sesskey, "BellOverloadN", 5, &cfg->bellovl_n);
 766     gppi(sesskey, "BellOverloadT", 2*TICKSPERSEC
 767 #ifdef PUTTY_UNIX_H
 768                                    *1000
 769 #endif
 770                                    , &i);
 771     cfg->bellovl_t = i
 772 #ifdef PUTTY_UNIX_H
 773                     / 1000
 774 #endif
 775         ;
 776     gppi(sesskey, "BellOverloadS", 5*TICKSPERSEC
 777 #ifdef PUTTY_UNIX_H
 778                                    *1000
 779 #endif
 780                                    , &i);
 781     cfg->bellovl_s = i
 782 #ifdef PUTTY_UNIX_H
 783                     / 1000
 784 #endif
 785         ;
 786     gppi(sesskey, "ScrollbackLines", 200, &cfg->savelines);
 787     gppi(sesskey, "DECOriginMode", 0, &cfg->dec_om);
 788     gppi(sesskey, "AutoWrapMode", 1, &cfg->wrap_mode);
 789     gppi(sesskey, "LFImpliesCR", 0, &cfg->lfhascr);
 790     gppi(sesskey, "CRImpliesLF", 0, &cfg->crhaslf);
 791     gppi(sesskey, "DisableArabicShaping", 0, &cfg->arabicshaping);
 792     gppi(sesskey, "DisableBidi", 0, &cfg->bidi);
 793     gppi(sesskey, "WinNameAlways", 1, &cfg->win_name_always);
 794     gpps(sesskey, "WinTitle", "", cfg->wintitle, sizeof(cfg->wintitle));
 795     gppi(sesskey, "TermWidth", 80, &cfg->width);
 796     gppi(sesskey, "TermHeight", 24, &cfg->height);
 797     gppfont(sesskey, "Font", &cfg->font);
 798     gppi(sesskey, "FontQuality", FQ_DEFAULT, &cfg->font_quality);
 799     gppi(sesskey, "FontVTMode", VT_UNICODE, (int *) &cfg->vtmode);
 800     gppi(sesskey, "UseSystemColours", 0, &cfg->system_colour);
 801     gppi(sesskey, "TryPalette", 0, &cfg->try_palette);
 802     gppi(sesskey, "ANSIColour", 1, &cfg->ansi_colour);
 803     gppi(sesskey, "Xterm256Colour", 1, &cfg->xterm_256_colour);
 804     gppi(sesskey, "BoldAsColour", 1, &cfg->bold_colour);
 805
 806     for (i = 0; i < 22; i++) {
 807         static const char *const defaults[] = {
 808             "187,187,187", "255,255,255", "0,0,0", "85,85,85", "0,0,0",
 809             "0,255,0", "0,0,0", "85,85,85", "187,0,0", "255,85,85",
 810             "0,187,0", "85,255,85", "187,187,0", "255,255,85", "0,0,187",
 811             "85,85,255", "187,0,187", "255,85,255", "0,187,187",
 812             "85,255,255", "187,187,187", "255,255,255"
 813         };
 814         char buf[20], buf2[30];
 815         int c0, c1, c2;
 816         sprintf(buf, "Colour%d", i);
 817         gpps(sesskey, buf, defaults[i], buf2, sizeof(buf2));
 818         if (sscanf(buf2, "%d,%d,%d", &c0, &c1, &c2) == 3) {
 819             cfg->colours[i][0] = c0;
 820             cfg->colours[i][1] = c1;
 821             cfg->colours[i][2] = c2;
 822         }
 823     }
 824     gppi(sesskey, "RawCNP", 0, &cfg->rawcnp);
 825     gppi(sesskey, "PasteRTF", 0, &cfg->rtf_paste);
 826     gppi(sesskey, "MouseIsXterm", 0, &cfg->mouse_is_xterm);
 827     gppi(sesskey, "RectSelect", 0, &cfg->rect_select);
 828     gppi(sesskey, "MouseOverride", 1, &cfg->mouse_override);
 829     for (i = 0; i < 256; i += 32) {
 830         static const char *const defaults[] = {
 831             "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",
 832             "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",
 833             "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",
 834             "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",
 835             "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",
 836             "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",
 837             "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",
 838             "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"
 839         };
 840         char buf[20], buf2[256], *p;
 841         int j;
 842         sprintf(buf, "Wordness%d", i);
 843         gpps(sesskey, buf, defaults[i / 32], buf2, sizeof(buf2));
 844         p = buf2;
 845         for (j = i; j < i + 32; j++) {
 846             char *q = p;
 847             while (*p && *p != ',')
 848                 p++;
 849             if (*p == ',')
 850                 *p++ = '\0';
 851             cfg->wordness[j] = atoi(q);
 852         }
 853     }
 854     /*
 855      * The empty default for LineCodePage will be converted later
 856      * into a plausible default for the locale.
 857      */
 858     gpps(sesskey, "LineCodePage", "", cfg->line_codepage,
 859          sizeof(cfg->line_codepage));
 860     gppi(sesskey, "CJKAmbigWide", 0, &cfg->cjk_ambig_wide);
 861     gppi(sesskey, "UTF8Override", 1, &cfg->utf8_override);
 862     gpps(sesskey, "Printer", "", cfg->printer, sizeof(cfg->printer));
 863     gppi (sesskey, "CapsLockCyr", 0, &cfg->xlat_capslockcyr);
 864     gppi(sesskey, "ScrollBar", 1, &cfg->scrollbar);
 865     gppi(sesskey, "ScrollBarFullScreen", 0, &cfg->scrollbar_in_fullscreen);
 866     gppi(sesskey, "ScrollOnKey", 0, &cfg->scroll_on_key);
 867     gppi(sesskey, "ScrollOnDisp", 1, &cfg->scroll_on_disp);
 868     gppi(sesskey, "EraseToScrollback", 1, &cfg->erase_to_scrollback);
 869     gppi(sesskey, "LockSize", 0, &cfg->resize_action);
 870     gppi(sesskey, "BCE", 1, &cfg->bce);
 871     gppi(sesskey, "BlinkText", 0, &cfg->blinktext);
 872     gppi(sesskey, "X11Forward", 0, &cfg->x11_forward);
 873     gpps(sesskey, "X11Display", "", cfg->x11_display,
 874          sizeof(cfg->x11_display));
 875     gppi(sesskey, "X11AuthType", X11_MIT, &cfg->x11_auth);
 876     gppfile(sesskey, "X11AuthFile", &cfg->xauthfile);
 877
 878     gppi(sesskey, "LocalPortAcceptAll", 0, &cfg->lport_acceptall);
 879     gppi(sesskey, "RemotePortAcceptAll", 0, &cfg->rport_acceptall);
 880     gppmap(sesskey, "PortForwardings", "", cfg->portfwd, lenof(cfg->portfwd));
 881     gppi(sesskey, "BugIgnore1", 0, &i); cfg->sshbug_ignore1 = 2-i;
 882     gppi(sesskey, "BugPlainPW1", 0, &i); cfg->sshbug_plainpw1 = 2-i;
 883     gppi(sesskey, "BugRSA1", 0, &i); cfg->sshbug_rsa1 = 2-i;
 884     gppi(sesskey, "BugIgnore2", 0, &i); cfg->sshbug_ignore2 = 2-i;
 885     {
 886         int i;
 887         gppi(sesskey, "BugHMAC2", 0, &i); cfg->sshbug_hmac2 = 2-i;
 888         if (cfg->sshbug_hmac2 == AUTO) {
 889             gppi(sesskey, "BuggyMAC", 0, &i);
 890             if (i == 1)
 891                 cfg->sshbug_hmac2 = FORCE_ON;
 892         }
 893     }
 894     gppi(sesskey, "BugDeriveKey2", 0, &i); cfg->sshbug_derivekey2 = 2-i;
 895     gppi(sesskey, "BugRSAPad2", 0, &i); cfg->sshbug_rsapad2 = 2-i;
 896     gppi(sesskey, "BugPKSessID2", 0, &i); cfg->sshbug_pksessid2 = 2-i;
 897     gppi(sesskey, "BugRekey2", 0, &i); cfg->sshbug_rekey2 = 2-i;
 898     gppi(sesskey, "BugMaxPkt2", 0, &i); cfg->sshbug_maxpkt2 = 2-i;
 899     cfg->ssh_simple = FALSE;
 900     gppi(sesskey, "StampUtmp", 1, &cfg->stamp_utmp);
 901     gppi(sesskey, "LoginShell", 1, &cfg->login_shell);
 902     gppi(sesskey, "ScrollbarOnLeft", 0, &cfg->scrollbar_on_left);
 903     gppi(sesskey, "ShadowBold", 0, &cfg->shadowbold);
 904     gppfont(sesskey, "BoldFont", &cfg->boldfont);
 905     gppfont(sesskey, "WideFont", &cfg->widefont);
 906     gppfont(sesskey, "WideBoldFont", &cfg->wideboldfont);
 907     gppi(sesskey, "ShadowBoldOffset", 1, &cfg->shadowboldoffset);
 908     gpps(sesskey, "SerialLine", "", cfg->serline, sizeof(cfg->serline));
 909     gppi(sesskey, "SerialSpeed", 9600, &cfg->serspeed);
 910     gppi(sesskey, "SerialDataBits", 8, &cfg->serdatabits);
 911     gppi(sesskey, "SerialStopHalfbits", 2, &cfg->serstopbits);
 912     gppi(sesskey, "SerialParity", SER_PAR_NONE, &cfg->serparity);
 913     gppi(sesskey, "SerialFlowControl", SER_FLOW_XONXOFF, &cfg->serflow);
 914     gpps(sesskey, "WindowClass", "", cfg->winclass, sizeof(cfg->winclass));
 915 }
 916
 917 void do_defaults(char *session, Config * cfg)
 918 {
 919     load_settings(session, cfg);
 920 }
 921
 922 static int sessioncmp(const void *av, const void *bv)
 923 {
 924     const char *a = *(const char *const *) av;
 925     const char *b = *(const char *const *) bv;
 926
 927     /*
 928      * Alphabetical order, except that "Default Settings" is a
 929      * special case and comes first.
 930      */
 931     if (!strcmp(a, "Default Settings"))
 932         return -1;                     /* a comes first */
 933     if (!strcmp(b, "Default Settings"))
 934         return +1;                     /* b comes first */
 935     /*
 936      * FIXME: perhaps we should ignore the first & in determining
 937      * sort order.
 938      */
 939     return strcmp(a, b);               /* otherwise, compare normally */
 940 }
 941
 942 void get_sesslist(struct sesslist *list, int allocate)
 943 {
 944     char otherbuf[2048];
 945     int buflen, bufsize, i;
 946     char *p, *ret;
 947     void *handle;
 948
 949     if (allocate) {
 950
 951         buflen = bufsize = 0;
 952         list->buffer = NULL;
 953         if ((handle = enum_settings_start()) != NULL) {
 954             do {
 955                 ret = enum_settings_next(handle, otherbuf, sizeof(otherbuf));
 956                 if (ret) {
 957                     int len = strlen(otherbuf) + 1;
 958                     if (bufsize < buflen + len) {
 959                         bufsize = buflen + len + 2048;
 960                         list->buffer = sresize(list->buffer, bufsize, char);
 961                     }
 962                     strcpy(list->buffer + buflen, otherbuf);
 963                     buflen += strlen(list->buffer + buflen) + 1;
 964                 }
 965             } while (ret);
 966             enum_settings_finish(handle);
 967         }
 968         list->buffer = sresize(list->buffer, buflen + 1, char);
 969         list->buffer[buflen] = '\0';
 970
 971         /*
 972          * Now set up the list of sessions. Note that "Default
 973          * Settings" must always be claimed to exist, even if it
 974          * doesn't really.
 975          */
 976
 977         p = list->buffer;
 978         list->nsessions = 1;           /* "Default Settings" counts as one */
 979         while (*p) {
 980             if (strcmp(p, "Default Settings"))
 981                 list->nsessions++;
 982             while (*p)
 983                 p++;
 984             p++;
 985         }
 986
 987         list->sessions = snewn(list->nsessions + 1, char *);
 988         list->sessions[0] = "Default Settings";
 989         p = list->buffer;
 990         i = 1;
 991         while (*p) {
 992             if (strcmp(p, "Default Settings"))
 993                 list->sessions[i++] = p;
 994             while (*p)
 995                 p++;
 996             p++;
 997         }
 998
 999         qsort(list->sessions, i, sizeof(char *), sessioncmp);
1000     } else {
1001         sfree(list->buffer);
1002         sfree(list->sessions);
1003         list->buffer = NULL;
1004         list->sessions = NULL;
1005     }
1006 }