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