settings.c

   1 /*
   2  * settings.c: read and write saved sessions.
   3  */
   4
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include "putty.h"
   8 #include "storage.h"
   9
  10 /*
  11  * Tables of string <-> enum value mappings
  12  */
  13 struct keyval { char *s; int v; };
  14
  15 static const struct keyval ciphernames[] = {
  16     { "aes",        CIPHER_AES },
  17     { "blowfish",   CIPHER_BLOWFISH },
  18     { "3des",       CIPHER_3DES },
  19     { "WARN",       CIPHER_WARN },
  20     { "des",        CIPHER_DES }
  21 };
  22
  23 static void gpps(void *handle, char *name, char *def, char *val, int len)
  24 {
  25     if (!read_setting_s(handle, name, val, len)) {
  26         char *pdef;
  27
  28         pdef = platform_default_s(name);
  29         if (pdef) {
  30             strncpy(val, pdef, len);
  31         } else {
  32             strncpy(val, def, len);
  33         }
  34
  35         val[len - 1] = '\0';
  36     }
  37 }
  38
  39 static void gppi(void *handle, char *name, int def, int *i)
  40 {
  41     def = platform_default_i(name, def);
  42     *i = read_setting_i(handle, name, def);
  43 }
  44
  45 static int key2val(const struct keyval *mapping, int nmaps, char *key)
  46 {
  47     int i;
  48     for (i = 0; i < nmaps; i++)
  49         if (!strcmp(mapping[i].s, key)) return mapping[i].v;
  50     return -1;
  51 }
  52
  53 static const char *val2key(const struct keyval *mapping, int nmaps, int val)
  54 {
  55     int i;
  56     for (i = 0; i < nmaps; i++)
  57         if (mapping[i].v == val) return mapping[i].s;
  58     return NULL;
  59 }
  60
  61 /*
  62  * Helper function to parse a comma-separated list of strings into
  63  * a preference list array of values. Any missing values are added
  64  * to the end and duplicates are weeded.
  65  * XXX: assumes vals in 'mapping' are small +ve integers
  66  */
  67 static void gprefs(void *sesskey, char *name, char *def,
  68                    const struct keyval *mapping, int nvals,
  69                    int *array)
  70 {
  71     char commalist[80];
  72     int n;
  73     unsigned long seen = 0;            /* bitmap for weeding dups etc */
  74     gpps(sesskey, name, def, commalist, sizeof(commalist));
  75
  76     /* Grotty parsing of commalist. */
  77     n = 0;
  78     do {
  79         int v;
  80         char *key;
  81         key = strtok(n==0 ? commalist : NULL, ","); /* sorry */
  82         if (!key) break;
  83         if (((v = key2val(mapping, nvals, key)) != -1) &&
  84             !(seen & 1<<v)) {
  85             array[n] = v;
  86             n++;
  87             seen |= 1<<v;
  88         }
  89     } while (n < nvals);
  90     /* Add any missing values (backward compatibility ect). */
  91     {
  92         int i;
  93         for (i = 0; i < nvals; i++) {
  94             if (!(seen & 1<<mapping[i].v)) {
  95                 array[n] = mapping[i].v;
  96                 n++;
  97             }
  98         }
  99     }
 100 }
 101
 102 /*
 103  * Write out a preference list.
 104  */
 105 static void wprefs(void *sesskey, char *name,
 106                    const struct keyval *mapping, int nvals,
 107                    int *array)
 108 {
 109     char buf[80] = "";  /* XXX assumed big enough */
 110     int l = sizeof(buf)-1, i;
 111     buf[l] = '\0';
 112     for (i = 0; l > 0 && i < nvals; i++) {
 113         const char *s = val2key(mapping, nvals, array[i]);
 114         if (s) {
 115             int sl = strlen(s);
 116             if (i > 0) {
 117                 strncat(buf, ",", l);
 118                 l--;
 119             }
 120             strncat(buf, s, l);
 121             l -= sl;
 122         }
 123     }
 124     write_setting_s(sesskey, name, buf);
 125 }
 126
 127 void save_settings(char *section, int do_host, Config * cfg)
 128 {
 129     int i;
 130     char *p;
 131     void *sesskey;
 132
 133     sesskey = open_settings_w(section);
 134     if (!sesskey)
 135         return;
 136
 137     write_setting_i(sesskey, "Present", 1);
 138     if (do_host) {
 139         write_setting_s(sesskey, "HostName", cfg->host);
 140         write_setting_s(sesskey, "LogFileName", cfg->logfilename);
 141         write_setting_i(sesskey, "LogType", cfg->logtype);
 142         write_setting_i(sesskey, "LogFileClash", cfg->logxfovr);
 143     }
 144     p = "raw";
 145     for (i = 0; backends[i].name != NULL; i++)
 146         if (backends[i].protocol == cfg->protocol) {
 147             p = backends[i].name;
 148             break;
 149         }
 150     write_setting_s(sesskey, "Protocol", p);
 151     write_setting_i(sesskey, "PortNumber", cfg->port);
 152     write_setting_i(sesskey, "CloseOnExit", cfg->close_on_exit);
 153     write_setting_i(sesskey, "WarnOnClose", !!cfg->warn_on_close);
 154     write_setting_i(sesskey, "PingInterval", cfg->ping_interval / 60);  /* minutes */
 155     write_setting_i(sesskey, "PingIntervalSecs", cfg->ping_interval % 60);      /* seconds */
 156     write_setting_i(sesskey, "TCPNoDelay", cfg->tcp_nodelay);
 157     write_setting_s(sesskey, "TerminalType", cfg->termtype);
 158     write_setting_s(sesskey, "TerminalSpeed", cfg->termspeed);
 159
 160     /* proxy settings */
 161     write_setting_s(sesskey, "ProxyExcludeList", cfg->proxy_exclude_list);
 162     write_setting_i(sesskey, "ProxyDNS", cfg->proxy_dns);
 163     write_setting_i(sesskey, "ProxyLocalhost", cfg->even_proxy_localhost);
 164     write_setting_i(sesskey, "ProxyType", cfg->proxy_type);
 165     write_setting_s(sesskey, "ProxyHost", cfg->proxy_host);
 166     write_setting_i(sesskey, "ProxyPort", cfg->proxy_port);
 167     write_setting_s(sesskey, "ProxyUsername", cfg->proxy_username);
 168     write_setting_s(sesskey, "ProxyPassword", cfg->proxy_password);
 169     write_setting_s(sesskey, "ProxyTelnetCommand", cfg->proxy_telnet_command);
 170     write_setting_i(sesskey, "ProxySOCKSVersion", cfg->proxy_socks_version);
 171
 172     {
 173         char buf[2 * sizeof(cfg->environmt)], *p, *q;
 174         p = buf;
 175         q = cfg->environmt;
 176         while (*q) {
 177             while (*q) {
 178                 int c = *q++;
 179                 if (c == '=' || c == ',' || c == '\\')
 180                     *p++ = '\\';
 181                 if (c == '\t')
 182                     c = '=';
 183                 *p++ = c;
 184             }
 185             *p++ = ',';
 186             q++;
 187         }
 188         *p = '\0';
 189         write_setting_s(sesskey, "Environment", buf);
 190     }
 191     write_setting_s(sesskey, "UserName", cfg->username);
 192     write_setting_s(sesskey, "LocalUserName", cfg->localusername);
 193     write_setting_i(sesskey, "NoPTY", cfg->nopty);
 194     write_setting_i(sesskey, "Compression", cfg->compression);
 195     write_setting_i(sesskey, "AgentFwd", cfg->agentfwd);
 196     write_setting_i(sesskey, "ChangeUsername", cfg->change_username);
 197     wprefs(sesskey, "Cipher", ciphernames, CIPHER_MAX,
 198            cfg->ssh_cipherlist);
 199     write_setting_i(sesskey, "AuthTIS", cfg->try_tis_auth);
 200     write_setting_i(sesskey, "AuthKI", cfg->try_ki_auth);
 201     write_setting_i(sesskey, "SshProt", cfg->sshprot);
 202     write_setting_i(sesskey, "SSH2DES", cfg->ssh2_des_cbc);
 203     write_setting_s(sesskey, "PublicKeyFile", cfg->keyfile);
 204     write_setting_s(sesskey, "RemoteCommand", cfg->remote_cmd);
 205     write_setting_i(sesskey, "RFCEnviron", cfg->rfc_environ);
 206     write_setting_i(sesskey, "PassiveTelnet", cfg->passive_telnet);
 207     write_setting_i(sesskey, "BackspaceIsDelete", cfg->bksp_is_delete);
 208     write_setting_i(sesskey, "RXVTHomeEnd", cfg->rxvt_homeend);
 209     write_setting_i(sesskey, "LinuxFunctionKeys", cfg->funky_type);
 210     write_setting_i(sesskey, "NoApplicationKeys", cfg->no_applic_k);
 211     write_setting_i(sesskey, "NoApplicationCursors", cfg->no_applic_c);
 212     write_setting_i(sesskey, "NoMouseReporting", cfg->no_mouse_rep);
 213     write_setting_i(sesskey, "NoRemoteResize", cfg->no_remote_resize);
 214     write_setting_i(sesskey, "NoAltScreen", cfg->no_alt_screen);
 215     write_setting_i(sesskey, "NoRemoteWinTitle", cfg->no_remote_wintitle);
 216     write_setting_i(sesskey, "NoDBackspace", cfg->no_dbackspace);
 217     write_setting_i(sesskey, "NoRemoteCharset", cfg->no_remote_charset);
 218     write_setting_i(sesskey, "ApplicationCursorKeys", cfg->app_cursor);
 219     write_setting_i(sesskey, "ApplicationKeypad", cfg->app_keypad);
 220     write_setting_i(sesskey, "NetHackKeypad", cfg->nethack_keypad);
 221     write_setting_i(sesskey, "AltF4", cfg->alt_f4);
 222     write_setting_i(sesskey, "AltSpace", cfg->alt_space);
 223     write_setting_i(sesskey, "AltOnly", cfg->alt_only);
 224     write_setting_i(sesskey, "ComposeKey", cfg->compose_key);
 225     write_setting_i(sesskey, "CtrlAltKeys", cfg->ctrlaltkeys);
 226     write_setting_i(sesskey, "TelnetKey", cfg->telnet_keyboard);
 227     write_setting_i(sesskey, "TelnetRet", cfg->telnet_newline);
 228     write_setting_i(sesskey, "LocalEcho", cfg->localecho);
 229     write_setting_i(sesskey, "LocalEdit", cfg->localedit);
 230     write_setting_s(sesskey, "Answerback", cfg->answerback);
 231     write_setting_i(sesskey, "AlwaysOnTop", cfg->alwaysontop);
 232     write_setting_i(sesskey, "FullScreenOnAltEnter", cfg->fullscreenonaltenter);
 233     write_setting_i(sesskey, "HideMousePtr", cfg->hide_mouseptr);
 234     write_setting_i(sesskey, "SunkenEdge", cfg->sunken_edge);
 235     write_setting_i(sesskey, "WindowBorder", cfg->window_border);
 236     write_setting_i(sesskey, "CurType", cfg->cursor_type);
 237     write_setting_i(sesskey, "BlinkCur", cfg->blink_cur);
 238     write_setting_i(sesskey, "Beep", cfg->beep);
 239     write_setting_i(sesskey, "BeepInd", cfg->beep_ind);
 240     write_setting_s(sesskey, "BellWaveFile", cfg->bell_wavefile);
 241     write_setting_i(sesskey, "BellOverload", cfg->bellovl);
 242     write_setting_i(sesskey, "BellOverloadN", cfg->bellovl_n);
 243     write_setting_i(sesskey, "BellOverloadT", cfg->bellovl_t);
 244     write_setting_i(sesskey, "BellOverloadS", cfg->bellovl_s);
 245     write_setting_i(sesskey, "ScrollbackLines", cfg->savelines);
 246     write_setting_i(sesskey, "DECOriginMode", cfg->dec_om);
 247     write_setting_i(sesskey, "AutoWrapMode", cfg->wrap_mode);
 248     write_setting_i(sesskey, "LFImpliesCR", cfg->lfhascr);
 249     write_setting_i(sesskey, "WinNameAlways", cfg->win_name_always);
 250     write_setting_s(sesskey, "WinTitle", cfg->wintitle);
 251     write_setting_i(sesskey, "TermWidth", cfg->width);
 252     write_setting_i(sesskey, "TermHeight", cfg->height);
 253     write_setting_s(sesskey, "Font", cfg->font);
 254     write_setting_i(sesskey, "FontIsBold", cfg->fontisbold);
 255     write_setting_i(sesskey, "FontCharSet", cfg->fontcharset);
 256     write_setting_i(sesskey, "FontHeight", cfg->fontheight);
 257     write_setting_i(sesskey, "FontVTMode", cfg->vtmode);
 258     write_setting_i(sesskey, "TryPalette", cfg->try_palette);
 259     write_setting_i(sesskey, "BoldAsColour", cfg->bold_colour);
 260     for (i = 0; i < 22; i++) {
 261         char buf[20], buf2[30];
 262         sprintf(buf, "Colour%d", i);
 263         sprintf(buf2, "%d,%d,%d", cfg->colours[i][0],
 264                 cfg->colours[i][1], cfg->colours[i][2]);
 265         write_setting_s(sesskey, buf, buf2);
 266     }
 267     write_setting_i(sesskey, "RawCNP", cfg->rawcnp);
 268     write_setting_i(sesskey, "PasteRTF", cfg->rtf_paste);
 269     write_setting_i(sesskey, "MouseIsXterm", cfg->mouse_is_xterm);
 270     write_setting_i(sesskey, "RectSelect", cfg->rect_select);
 271     write_setting_i(sesskey, "MouseOverride", cfg->mouse_override);
 272     for (i = 0; i < 256; i += 32) {
 273         char buf[20], buf2[256];
 274         int j;
 275         sprintf(buf, "Wordness%d", i);
 276         *buf2 = '\0';
 277         for (j = i; j < i + 32; j++) {
 278             sprintf(buf2 + strlen(buf2), "%s%d",
 279                     (*buf2 ? "," : ""), cfg->wordness[j]);
 280         }
 281         write_setting_s(sesskey, buf, buf2);
 282     }
 283     write_setting_s(sesskey, "LineCodePage", cfg->line_codepage);
 284     write_setting_s(sesskey, "Printer", cfg->printer);
 285     write_setting_i(sesskey, "CapsLockCyr", cfg->xlat_capslockcyr);
 286     write_setting_i(sesskey, "ScrollBar", cfg->scrollbar);
 287     write_setting_i(sesskey, "ScrollBarFullScreen", cfg->scrollbar_in_fullscreen);
 288     write_setting_i(sesskey, "ScrollOnKey", cfg->scroll_on_key);
 289     write_setting_i(sesskey, "ScrollOnDisp", cfg->scroll_on_disp);
 290     write_setting_i(sesskey, "LockSize", cfg->resize_action);
 291     write_setting_i(sesskey, "BCE", cfg->bce);
 292     write_setting_i(sesskey, "BlinkText", cfg->blinktext);
 293     write_setting_i(sesskey, "X11Forward", cfg->x11_forward);
 294     write_setting_s(sesskey, "X11Display", cfg->x11_display);
 295     write_setting_i(sesskey, "X11AuthType", cfg->x11_auth);
 296     write_setting_i(sesskey, "LocalPortAcceptAll", cfg->lport_acceptall);
 297     write_setting_i(sesskey, "RemotePortAcceptAll", cfg->rport_acceptall);
 298     {
 299         char buf[2 * sizeof(cfg->portfwd)], *p, *q;
 300         p = buf;
 301         q = cfg->portfwd;
 302         while (*q) {
 303             while (*q) {
 304                 int c = *q++;
 305                 if (c == '=' || c == ',' || c == '\\')
 306                     *p++ = '\\';
 307                 if (c == '\t')
 308                     c = '=';
 309                 *p++ = c;
 310             }
 311             *p++ = ',';
 312             q++;
 313         }
 314         *p = '\0';
 315         write_setting_s(sesskey, "PortForwardings", buf);
 316     }
 317     write_setting_i(sesskey, "BugIgnore1", cfg->sshbug_ignore1);
 318     write_setting_i(sesskey, "BugPlainPW1", cfg->sshbug_plainpw1);
 319     write_setting_i(sesskey, "BugRSA1", cfg->sshbug_rsa1);
 320     write_setting_i(sesskey, "BugHMAC2", cfg->sshbug_hmac2);
 321     write_setting_i(sesskey, "BugDeriveKey2", cfg->sshbug_derivekey2);
 322     write_setting_i(sesskey, "BugRSAPad2", cfg->sshbug_rsapad2);
 323     write_setting_i(sesskey, "BugDHGEx2", cfg->sshbug_dhgex2);
 324     write_setting_i(sesskey, "StampUtmp", cfg->stamp_utmp);
 325     write_setting_i(sesskey, "LoginShell", cfg->login_shell);
 326     write_setting_i(sesskey, "ScrollbarOnLeft", cfg->scrollbar_on_left);
 327     write_setting_s(sesskey, "BoldFont", cfg->boldfont);
 328     write_setting_i(sesskey, "ShadowBoldOffset", cfg->shadowboldoffset);
 329     close_settings_w(sesskey);
 330 }
 331
 332 void load_settings(char *section, int do_host, Config * cfg)
 333 {
 334     void *sesskey;
 335
 336     sesskey = open_settings_r(section);
 337     load_open_settings(sesskey, do_host, cfg);
 338     close_settings_r(sesskey);
 339 }
 340
 341 void load_open_settings(void *sesskey, int do_host, Config *cfg)
 342 {
 343     int i;
 344     char prot[10];
 345
 346     cfg->ssh_subsys = 0;               /* FIXME: load this properly */
 347     cfg->remote_cmd_ptr = cfg->remote_cmd;
 348     cfg->remote_cmd_ptr2 = NULL;
 349
 350     if (do_host) {
 351         gpps(sesskey, "HostName", "", cfg->host, sizeof(cfg->host));
 352     } else {
 353         cfg->host[0] = '\0';           /* blank hostname */
 354     }
 355     gpps(sesskey, "LogFileName", "putty.log",
 356          cfg->logfilename, sizeof(cfg->logfilename));
 357     gppi(sesskey, "LogType", 0, &cfg->logtype);
 358     gppi(sesskey, "LogFileClash", LGXF_ASK, &cfg->logxfovr);
 359
 360     gpps(sesskey, "Protocol", "default", prot, 10);
 361     cfg->protocol = default_protocol;
 362     cfg->port = default_port;
 363     for (i = 0; backends[i].name != NULL; i++)
 364         if (!strcmp(prot, backends[i].name)) {
 365             cfg->protocol = backends[i].protocol;
 366             gppi(sesskey, "PortNumber", default_port, &cfg->port);
 367             break;
 368         }
 369
 370     /*
 371      * CloseOnExit defaults to closing only on a clean exit - but
 372      * unfortunately not on Unix (pterm). On Unix, the exit code of
 373      * a shell is the last exit code of one of its child processes,
 374      * even if it's an interactive shell - so some pterms will
 375      * close and some will not for no particularly good reason. The
 376      * mode is still useful for specialist purposes (running a
 377      * single command in its own pterm), but I don't think it's a
 378      * sane default, unfortunately.
 379      */
 380     gppi(sesskey, "CloseOnExit", COE_NORMAL, &cfg->close_on_exit);
 381     gppi(sesskey, "WarnOnClose", 1, &cfg->warn_on_close);
 382     {
 383         /* This is two values for backward compatibility with 0.50/0.51 */
 384         int pingmin, pingsec;
 385         gppi(sesskey, "PingInterval", 0, &pingmin);
 386         gppi(sesskey, "PingIntervalSecs", 0, &pingsec);
 387         cfg->ping_interval = pingmin * 60 + pingsec;
 388     }
 389     gppi(sesskey, "TCPNoDelay", 1, &cfg->tcp_nodelay);
 390     gpps(sesskey, "TerminalType", "xterm", cfg->termtype,
 391          sizeof(cfg->termtype));
 392     gpps(sesskey, "TerminalSpeed", "38400,38400", cfg->termspeed,
 393          sizeof(cfg->termspeed));
 394
 395     /* proxy settings */
 396     gpps(sesskey, "ProxyExcludeList", "", cfg->proxy_exclude_list,
 397          sizeof(cfg->proxy_exclude_list));
 398     gppi(sesskey, "ProxyDNS", PROXYDNS_AUTO, &i); cfg->proxy_dns = i;
 399     gppi(sesskey, "ProxyLocalhost", 0, &cfg->even_proxy_localhost);
 400     gppi(sesskey, "ProxyType", PROXY_NONE, &i); cfg->proxy_type = i;
 401     gpps(sesskey, "ProxyHost", "proxy", cfg->proxy_host,
 402          sizeof(cfg->proxy_host));
 403     gppi(sesskey, "ProxyPort", 80, &cfg->proxy_port);
 404     gpps(sesskey, "ProxyUsername", "", cfg->proxy_username,
 405          sizeof(cfg->proxy_username));
 406     gpps(sesskey, "ProxyPassword", "", cfg->proxy_password,
 407          sizeof(cfg->proxy_password));
 408     gpps(sesskey, "ProxyTelnetCommand", "connect %host %port\\n",
 409          cfg->proxy_telnet_command, sizeof(cfg->proxy_telnet_command));
 410     gppi(sesskey, "ProxySOCKSVersion", 5, &cfg->proxy_socks_version);
 411
 412     {
 413         char buf[2 * sizeof(cfg->environmt)], *p, *q;
 414         gpps(sesskey, "Environment", "", buf, sizeof(buf));
 415         p = buf;
 416         q = cfg->environmt;
 417         while (*p) {
 418             while (*p && *p != ',') {
 419                 int c = *p++;
 420                 if (c == '=')
 421                     c = '\t';
 422                 if (c == '\\')
 423                     c = *p++;
 424                 *q++ = c;
 425             }
 426             if (*p == ',')
 427                 p++;
 428             *q++ = '\0';
 429         }
 430         *q = '\0';
 431     }
 432     gpps(sesskey, "UserName", "", cfg->username, sizeof(cfg->username));
 433     gpps(sesskey, "LocalUserName", "", cfg->localusername,
 434          sizeof(cfg->localusername));
 435     gppi(sesskey, "NoPTY", 0, &cfg->nopty);
 436     gppi(sesskey, "Compression", 0, &cfg->compression);
 437     gppi(sesskey, "AgentFwd", 0, &cfg->agentfwd);
 438     gppi(sesskey, "ChangeUsername", 0, &cfg->change_username);
 439     gprefs(sesskey, "Cipher", "\0",
 440            ciphernames, CIPHER_MAX, cfg->ssh_cipherlist);
 441     gppi(sesskey, "SshProt", 2, &cfg->sshprot);
 442     gppi(sesskey, "SSH2DES", 0, &cfg->ssh2_des_cbc);
 443     gppi(sesskey, "AuthTIS", 0, &cfg->try_tis_auth);
 444     gppi(sesskey, "AuthKI", 1, &cfg->try_ki_auth);
 445     gpps(sesskey, "PublicKeyFile", "", cfg->keyfile, sizeof(cfg->keyfile));
 446     gpps(sesskey, "RemoteCommand", "", cfg->remote_cmd,
 447          sizeof(cfg->remote_cmd));
 448     gppi(sesskey, "RFCEnviron", 0, &cfg->rfc_environ);
 449     gppi(sesskey, "PassiveTelnet", 0, &cfg->passive_telnet);
 450     gppi(sesskey, "BackspaceIsDelete", 1, &cfg->bksp_is_delete);
 451     gppi(sesskey, "RXVTHomeEnd", 0, &cfg->rxvt_homeend);
 452     gppi(sesskey, "LinuxFunctionKeys", 0, &cfg->funky_type);
 453     gppi(sesskey, "NoApplicationKeys", 0, &cfg->no_applic_k);
 454     gppi(sesskey, "NoApplicationCursors", 0, &cfg->no_applic_c);
 455     gppi(sesskey, "NoMouseReporting", 0, &cfg->no_mouse_rep);
 456     gppi(sesskey, "NoRemoteResize", 0, &cfg->no_remote_resize);
 457     gppi(sesskey, "NoAltScreen", 0, &cfg->no_alt_screen);
 458     gppi(sesskey, "NoRemoteWinTitle", 0, &cfg->no_remote_wintitle);
 459     gppi(sesskey, "NoDBackspace", 0, &cfg->no_dbackspace);
 460     gppi(sesskey, "NoRemoteCharset", 0, &cfg->no_remote_charset);
 461     gppi(sesskey, "ApplicationCursorKeys", 0, &cfg->app_cursor);
 462     gppi(sesskey, "ApplicationKeypad", 0, &cfg->app_keypad);
 463     gppi(sesskey, "NetHackKeypad", 0, &cfg->nethack_keypad);
 464     gppi(sesskey, "AltF4", 1, &cfg->alt_f4);
 465     gppi(sesskey, "AltSpace", 0, &cfg->alt_space);
 466     gppi(sesskey, "AltOnly", 0, &cfg->alt_only);
 467     gppi(sesskey, "ComposeKey", 0, &cfg->compose_key);
 468     gppi(sesskey, "CtrlAltKeys", 1, &cfg->ctrlaltkeys);
 469     gppi(sesskey, "TelnetKey", 0, &cfg->telnet_keyboard);
 470     gppi(sesskey, "TelnetRet", 1, &cfg->telnet_newline);
 471     gppi(sesskey, "LocalEcho", LD_BACKEND, &cfg->localecho);
 472     gppi(sesskey, "LocalEdit", LD_BACKEND, &cfg->localedit);
 473     gpps(sesskey, "Answerback", "PuTTY", cfg->answerback,
 474          sizeof(cfg->answerback));
 475     gppi(sesskey, "AlwaysOnTop", 0, &cfg->alwaysontop);
 476     gppi(sesskey, "FullScreenOnAltEnter", 0, &cfg->fullscreenonaltenter);
 477     gppi(sesskey, "HideMousePtr", 0, &cfg->hide_mouseptr);
 478     gppi(sesskey, "SunkenEdge", 0, &cfg->sunken_edge);
 479     gppi(sesskey, "WindowBorder", 1, &cfg->window_border);
 480     gppi(sesskey, "CurType", 0, &cfg->cursor_type);
 481     gppi(sesskey, "BlinkCur", 0, &cfg->blink_cur);
 482     /* pedantic compiler tells me I can't use &cfg->beep as an int * :-) */
 483     gppi(sesskey, "Beep", 1, &i); cfg->beep = i;
 484     gppi(sesskey, "BeepInd", 0, &i); cfg->beep_ind = i;
 485     gpps(sesskey, "BellWaveFile", "", cfg->bell_wavefile,
 486          sizeof(cfg->bell_wavefile));
 487     gppi(sesskey, "BellOverload", 1, &cfg->bellovl);
 488     gppi(sesskey, "BellOverloadN", 5, &cfg->bellovl_n);
 489     gppi(sesskey, "BellOverloadT", 2*TICKSPERSEC, &cfg->bellovl_t);
 490     gppi(sesskey, "BellOverloadS", 5*TICKSPERSEC, &cfg->bellovl_s);
 491     gppi(sesskey, "ScrollbackLines", 200, &cfg->savelines);
 492     gppi(sesskey, "DECOriginMode", 0, &cfg->dec_om);
 493     gppi(sesskey, "AutoWrapMode", 1, &cfg->wrap_mode);
 494     gppi(sesskey, "LFImpliesCR", 0, &cfg->lfhascr);
 495     gppi(sesskey, "WinNameAlways", 0, &cfg->win_name_always);
 496     gpps(sesskey, "WinTitle", "", cfg->wintitle, sizeof(cfg->wintitle));
 497     gppi(sesskey, "TermWidth", 80, &cfg->width);
 498     gppi(sesskey, "TermHeight", 24, &cfg->height);
 499     gpps(sesskey, "Font", "XXX", cfg->font, sizeof(cfg->font));
 500     gppi(sesskey, "FontIsBold", 0, &cfg->fontisbold);
 501     gppi(sesskey, "FontCharSet", 0, &cfg->fontcharset);
 502     gppi(sesskey, "FontHeight", 10, &cfg->fontheight);
 503 #ifdef _WINDOWS
 504     if (cfg->fontheight < 0) {
 505         int oldh, newh;
 506         HDC hdc = GetDC(NULL);
 507         int logpix = GetDeviceCaps(hdc, LOGPIXELSY);
 508         ReleaseDC(NULL, hdc);
 509
 510         oldh = -cfg->fontheight;
 511         newh = MulDiv(oldh, 72, logpix) + 1;
 512         if (MulDiv(newh, logpix, 72) > oldh)
 513             newh--;
 514         cfg->fontheight = newh;
 515     }
 516 #endif
 517     gppi(sesskey, "FontVTMode", VT_UNICODE, (int *) &cfg->vtmode);
 518     gppi(sesskey, "TryPalette", 0, &cfg->try_palette);
 519     gppi(sesskey, "BoldAsColour", 1, &cfg->bold_colour);
 520     for (i = 0; i < 22; i++) {
 521         static char *defaults[] = {
 522             "187,187,187", "255,255,255", "0,0,0", "85,85,85", "0,0,0",
 523             "0,255,0", "0,0,0", "85,85,85", "187,0,0", "255,85,85",
 524             "0,187,0", "85,255,85", "187,187,0", "255,255,85", "0,0,187",
 525             "85,85,255", "187,0,187", "255,85,255", "0,187,187",
 526             "85,255,255", "187,187,187", "255,255,255"
 527         };
 528         char buf[20], buf2[30];
 529         int c0, c1, c2;
 530         sprintf(buf, "Colour%d", i);
 531         gpps(sesskey, buf, defaults[i], buf2, sizeof(buf2));
 532         if (sscanf(buf2, "%d,%d,%d", &c0, &c1, &c2) == 3) {
 533             cfg->colours[i][0] = c0;
 534             cfg->colours[i][1] = c1;
 535             cfg->colours[i][2] = c2;
 536         }
 537     }
 538     gppi(sesskey, "RawCNP", 0, &cfg->rawcnp);
 539     gppi(sesskey, "PasteRTF", 0, &cfg->rtf_paste);
 540     gppi(sesskey, "MouseIsXterm", 0, &cfg->mouse_is_xterm);
 541     gppi(sesskey, "RectSelect", 0, &cfg->rect_select);
 542     gppi(sesskey, "MouseOverride", 1, &cfg->mouse_override);
 543     for (i = 0; i < 256; i += 32) {
 544         static char *defaults[] = {
 545             "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",
 546             "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",
 547             "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",
 548             "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",
 549             "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",
 550             "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",
 551             "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",
 552             "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"
 553         };
 554         char buf[20], buf2[256], *p;
 555         int j;
 556         sprintf(buf, "Wordness%d", i);
 557         gpps(sesskey, buf, defaults[i / 32], buf2, sizeof(buf2));
 558         p = buf2;
 559         for (j = i; j < i + 32; j++) {
 560             char *q = p;
 561             while (*p && *p != ',')
 562                 p++;
 563             if (*p == ',')
 564                 *p++ = '\0';
 565             cfg->wordness[j] = atoi(q);
 566         }
 567     }
 568     /*
 569      * The empty default for LineCodePage will be converted later
 570      * into a plausible default for the locale.
 571      */
 572     gpps(sesskey, "LineCodePage", "", cfg->line_codepage,
 573          sizeof(cfg->line_codepage));
 574     gpps(sesskey, "Printer", "", cfg->printer, sizeof(cfg->printer));
 575     gppi (sesskey, "CapsLockCyr", 0, &cfg->xlat_capslockcyr);
 576     gppi(sesskey, "ScrollBar", 1, &cfg->scrollbar);
 577     gppi(sesskey, "ScrollBarFullScreen", 0, &cfg->scrollbar_in_fullscreen);
 578     gppi(sesskey, "ScrollOnKey", 0, &cfg->scroll_on_key);
 579     gppi(sesskey, "ScrollOnDisp", 1, &cfg->scroll_on_disp);
 580     gppi(sesskey, "LockSize", 0, &i); cfg->resize_action = i;
 581     gppi(sesskey, "BCE", 1, &cfg->bce);
 582     gppi(sesskey, "BlinkText", 0, &cfg->blinktext);
 583     gppi(sesskey, "X11Forward", 0, &cfg->x11_forward);
 584     gpps(sesskey, "X11Display", "localhost:0", cfg->x11_display,
 585          sizeof(cfg->x11_display));
 586     gppi(sesskey, "X11AuthType", X11_MIT, &cfg->x11_auth);
 587
 588     gppi(sesskey, "LocalPortAcceptAll", 0, &cfg->lport_acceptall);
 589     gppi(sesskey, "RemotePortAcceptAll", 0, &cfg->rport_acceptall);
 590     {
 591         char buf[2 * sizeof(cfg->portfwd)], *p, *q;
 592         gpps(sesskey, "PortForwardings", "", buf, sizeof(buf));
 593         p = buf;
 594         q = cfg->portfwd;
 595         while (*p) {
 596             while (*p && *p != ',') {
 597                 int c = *p++;
 598                 if (c == '=')
 599                     c = '\t';
 600                 if (c == '\\')
 601                     c = *p++;
 602                 *q++ = c;
 603             }
 604             if (*p == ',')
 605                 p++;
 606             *q++ = '\0';
 607         }
 608         *q = '\0';
 609     }
 610     gppi(sesskey, "BugIgnore1", BUG_AUTO, &i); cfg->sshbug_ignore1 = i;
 611     gppi(sesskey, "BugPlainPW1", BUG_AUTO, &i); cfg->sshbug_plainpw1 = i;
 612     gppi(sesskey, "BugRSA1", BUG_AUTO, &i); cfg->sshbug_rsa1 = i;
 613     {
 614         int i;
 615         gppi(sesskey, "BugHMAC2", BUG_AUTO, &i); cfg->sshbug_hmac2 = i;
 616         if (cfg->sshbug_hmac2 == BUG_AUTO) {
 617             gppi(sesskey, "BuggyMAC", 0, &i);
 618             if (i == 1)
 619                 cfg->sshbug_hmac2 = BUG_ON;
 620         }
 621     }
 622     gppi(sesskey, "BugDeriveKey2", BUG_AUTO, &i); cfg->sshbug_derivekey2 = i;
 623     gppi(sesskey, "BugRSAPad2", BUG_AUTO, &i); cfg->sshbug_rsapad2 = i;
 624     gppi(sesskey, "BugDHGEx2", BUG_AUTO, &i); cfg->sshbug_dhgex2 = i;
 625     gppi(sesskey, "StampUtmp", 1, &cfg->stamp_utmp);
 626     gppi(sesskey, "LoginShell", 1, &cfg->login_shell);
 627     gppi(sesskey, "ScrollbarOnLeft", 0, &cfg->scrollbar_on_left);
 628     gpps(sesskey, "BoldFont", "", cfg->boldfont, sizeof(cfg->boldfont));
 629     gppi(sesskey, "ShadowBoldOffset", 1, &cfg->shadowboldoffset);
 630 }
 631
 632 void do_defaults(char *session, Config * cfg)
 633 {
 634     if (session)
 635         load_settings(session, TRUE, cfg);
 636     else
 637         load_settings("Default Settings", FALSE, cfg);
 638 }
 639
 640 static int sessioncmp(const void *av, const void *bv)
 641 {
 642     const char *a = *(const char *const *) av;
 643     const char *b = *(const char *const *) bv;
 644
 645     /*
 646      * Alphabetical order, except that "Default Settings" is a
 647      * special case and comes first.
 648      */
 649     if (!strcmp(a, "Default Settings"))
 650         return -1;                     /* a comes first */
 651     if (!strcmp(b, "Default Settings"))
 652         return +1;                     /* b comes first */
 653     /*
 654      * FIXME: perhaps we should ignore the first & in determining
 655      * sort order.
 656      */
 657     return strcmp(a, b);               /* otherwise, compare normally */
 658 }
 659
 660 void get_sesslist(struct sesslist *list, int allocate)
 661 {
 662     char otherbuf[2048];
 663     int buflen, bufsize, i;
 664     char *p, *ret;
 665     void *handle;
 666
 667     if (allocate) {
 668
 669         buflen = bufsize = 0;
 670         list->buffer = NULL;
 671         if ((handle = enum_settings_start()) != NULL) {
 672             do {
 673                 ret = enum_settings_next(handle, otherbuf, sizeof(otherbuf));
 674                 if (ret) {
 675                     int len = strlen(otherbuf) + 1;
 676                     if (bufsize < buflen + len) {
 677                         bufsize = buflen + len + 2048;
 678                         list->buffer = srealloc(list->buffer, bufsize);
 679                     }
 680                     strcpy(list->buffer + buflen, otherbuf);
 681                     buflen += strlen(list->buffer + buflen) + 1;
 682                 }
 683             } while (ret);
 684             enum_settings_finish(handle);
 685         }
 686         list->buffer = srealloc(list->buffer, buflen + 1);
 687         list->buffer[buflen] = '\0';
 688
 689         /*
 690          * Now set up the list of sessions. Note that "Default
 691          * Settings" must always be claimed to exist, even if it
 692          * doesn't really.
 693          */
 694
 695         p = list->buffer;
 696         list->nsessions = 1;           /* "Default Settings" counts as one */
 697         while (*p) {
 698             if (strcmp(p, "Default Settings"))
 699                 list->nsessions++;
 700             while (*p)
 701                 p++;
 702             p++;
 703         }
 704
 705         list->sessions = smalloc((list->nsessions + 1) * sizeof(char *));
 706         list->sessions[0] = "Default Settings";
 707         p = list->buffer;
 708         i = 1;
 709         while (*p) {
 710             if (strcmp(p, "Default Settings"))
 711                 list->sessions[i++] = p;
 712             while (*p)
 713                 p++;
 714             p++;
 715         }
 716
 717         qsort(list->sessions, i, sizeof(char *), sessioncmp);
 718     } else {
 719         sfree(list->buffer);
 720         sfree(list->sessions);
 721     }
 722 }