Integrate unfix.org's IPv6 patches up to level 10, with rather a lot
[u/mdw/putty] / settings.c
index 2d6a1fb..4a93400 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * settings.c: read and write saved sessions.
+ * settings.c: read and write saved sessions. (platform-independent)
  */
 
 #include <stdio.h>
@@ -12,6 +12,7 @@
  */
 struct keyval { char *s; int v; };
 
+/* The cipher order given here is the default order. */
 static const struct keyval ciphernames[] = {
     { "aes",       CIPHER_AES },
     { "blowfish",   CIPHER_BLOWFISH },
@@ -20,6 +21,13 @@ static const struct keyval ciphernames[] = {
     { "des",       CIPHER_DES }
 };
 
+static const struct keyval kexnames[] = {
+    { "dh-gex-sha1",       KEX_DHGEX },
+    { "dh-group14-sha1",    KEX_DHGROUP14 },
+    { "dh-group1-sha1",            KEX_DHGROUP1 },
+    { "WARN",              KEX_WARN }
+};
+
 static void gpps(void *handle, const char *name, const char *def,
                 char *val, int len)
 {
@@ -29,6 +37,7 @@ static void gpps(void *handle, const char *name, const char *def,
        pdef = platform_default_s(name);
        if (pdef) {
            strncpy(val, pdef, len);
+           sfree(pdef);
        } else {
            strncpy(val, def, len);
        }
@@ -141,15 +150,17 @@ static void wprefs(void *sesskey, char *name,
     write_setting_s(sesskey, name, buf);
 }
 
-void save_settings(char *section, int do_host, Config * cfg)
+char *save_settings(char *section, int do_host, Config * cfg)
 {
     void *sesskey;
+    char *errmsg;
 
-    sesskey = open_settings_w(section);
+    sesskey = open_settings_w(section, &errmsg);
     if (!sesskey)
-       return;
+       return errmsg;
     save_open_settings(sesskey, do_host, cfg);
     close_settings_w(sesskey);
+    return NULL;
 }
 
 void save_open_settings(void *sesskey, int do_host, Config *cfg)
@@ -160,10 +171,13 @@ void save_open_settings(void *sesskey, int do_host, Config *cfg)
     write_setting_i(sesskey, "Present", 1);
     if (do_host) {
        write_setting_s(sesskey, "HostName", cfg->host);
-       write_setting_filename(sesskey, "LogFileName", cfg->logfilename);
-       write_setting_i(sesskey, "LogType", cfg->logtype);
-       write_setting_i(sesskey, "LogFileClash", cfg->logxfovr);
     }
+    write_setting_filename(sesskey, "LogFileName", cfg->logfilename);
+    write_setting_i(sesskey, "LogType", cfg->logtype);
+    write_setting_i(sesskey, "LogFileClash", cfg->logxfovr);
+    write_setting_i(sesskey, "LogFlush", cfg->logflush);
+    write_setting_i(sesskey, "SSHLogOmitPasswords", cfg->logomitpass);
+    write_setting_i(sesskey, "SSHLogOmitData", cfg->logomitdata);
     p = "raw";
     for (i = 0; backends[i].name != NULL; i++)
        if (backends[i].protocol == cfg->protocol) {
@@ -179,20 +193,23 @@ void save_open_settings(void *sesskey, int do_host, Config *cfg)
     write_setting_i(sesskey, "PingInterval", cfg->ping_interval / 60); /* minutes */
     write_setting_i(sesskey, "PingIntervalSecs", cfg->ping_interval % 60);     /* seconds */
     write_setting_i(sesskey, "TCPNoDelay", cfg->tcp_nodelay);
+    write_setting_i(sesskey, "TCPKeepalives", cfg->tcp_keepalives);
     write_setting_s(sesskey, "TerminalType", cfg->termtype);
     write_setting_s(sesskey, "TerminalSpeed", cfg->termspeed);
 
+    /* Address family selection */
+    write_setting_i(sesskey, "AddressFamily", cfg->addressfamily);
+
     /* proxy settings */
     write_setting_s(sesskey, "ProxyExcludeList", cfg->proxy_exclude_list);
     write_setting_i(sesskey, "ProxyDNS", (cfg->proxy_dns+2)%3);
     write_setting_i(sesskey, "ProxyLocalhost", cfg->even_proxy_localhost);
-    write_setting_i(sesskey, "ProxyType", cfg->proxy_type);
+    write_setting_i(sesskey, "ProxyMethod", cfg->proxy_type);
     write_setting_s(sesskey, "ProxyHost", cfg->proxy_host);
     write_setting_i(sesskey, "ProxyPort", cfg->proxy_port);
     write_setting_s(sesskey, "ProxyUsername", cfg->proxy_username);
     write_setting_s(sesskey, "ProxyPassword", cfg->proxy_password);
     write_setting_s(sesskey, "ProxyTelnetCommand", cfg->proxy_telnet_command);
-    write_setting_i(sesskey, "ProxySOCKSVersion", cfg->proxy_socks_version);
 
     {
        char buf[2 * sizeof(cfg->environmt)], *p, *q;
@@ -221,8 +238,12 @@ void save_open_settings(void *sesskey, int do_host, Config *cfg)
     write_setting_i(sesskey, "ChangeUsername", cfg->change_username);
     wprefs(sesskey, "Cipher", ciphernames, CIPHER_MAX,
           cfg->ssh_cipherlist);
+    wprefs(sesskey, "KEX", kexnames, KEX_MAX, cfg->ssh_kexlist);
+    write_setting_i(sesskey, "RekeyTime", cfg->ssh_rekey_time);
+    write_setting_s(sesskey, "RekeyBytes", cfg->ssh_rekey_data);
     write_setting_i(sesskey, "AuthTIS", cfg->try_tis_auth);
     write_setting_i(sesskey, "AuthKI", cfg->try_ki_auth);
+    write_setting_i(sesskey, "SshNoShell", cfg->ssh_no_shell);
     write_setting_i(sesskey, "SshProt", cfg->sshprot);
     write_setting_i(sesskey, "SSH2DES", cfg->ssh2_des_cbc);
     write_setting_filename(sesskey, "PublicKeyFile", cfg->keyfile);
@@ -238,6 +259,7 @@ void save_open_settings(void *sesskey, int do_host, Config *cfg)
     write_setting_i(sesskey, "NoRemoteResize", cfg->no_remote_resize);
     write_setting_i(sesskey, "NoAltScreen", cfg->no_alt_screen);
     write_setting_i(sesskey, "NoRemoteWinTitle", cfg->no_remote_wintitle);
+    write_setting_i(sesskey, "NoRemoteQTitle", cfg->no_remote_qtitle);
     write_setting_i(sesskey, "NoDBackspace", cfg->no_dbackspace);
     write_setting_i(sesskey, "NoRemoteCharset", cfg->no_remote_charset);
     write_setting_i(sesskey, "ApplicationCursorKeys", cfg->app_cursor);
@@ -271,14 +293,20 @@ void save_open_settings(void *sesskey, int do_host, Config *cfg)
     write_setting_i(sesskey, "DECOriginMode", cfg->dec_om);
     write_setting_i(sesskey, "AutoWrapMode", cfg->wrap_mode);
     write_setting_i(sesskey, "LFImpliesCR", cfg->lfhascr);
+    write_setting_i(sesskey, "DisableArabicShaping", cfg->arabicshaping);
+    write_setting_i(sesskey, "DisableBidi", cfg->bidi);
     write_setting_i(sesskey, "WinNameAlways", cfg->win_name_always);
     write_setting_s(sesskey, "WinTitle", cfg->wintitle);
     write_setting_i(sesskey, "TermWidth", cfg->width);
     write_setting_i(sesskey, "TermHeight", cfg->height);
     write_setting_fontspec(sesskey, "Font", cfg->font);
     write_setting_i(sesskey, "FontVTMode", cfg->vtmode);
+    write_setting_i(sesskey, "UseSystemColours", cfg->system_colour);
     write_setting_i(sesskey, "TryPalette", cfg->try_palette);
+    write_setting_i(sesskey, "ANSIColour", cfg->ansi_colour);
+    write_setting_i(sesskey, "Xterm256Colour", cfg->xterm_256_colour);
     write_setting_i(sesskey, "BoldAsColour", cfg->bold_colour);
+
     for (i = 0; i < 22; i++) {
        char buf[20], buf2[30];
        sprintf(buf, "Colour%d", i);
@@ -303,6 +331,7 @@ void save_open_settings(void *sesskey, int do_host, Config *cfg)
        write_setting_s(sesskey, buf, buf2);
     }
     write_setting_s(sesskey, "LineCodePage", cfg->line_codepage);
+    write_setting_i(sesskey, "UTF8Override", cfg->utf8_override);
     write_setting_s(sesskey, "Printer", cfg->printer);
     write_setting_i(sesskey, "CapsLockCyr", cfg->xlat_capslockcyr);
     write_setting_i(sesskey, "ScrollBar", cfg->scrollbar);
@@ -343,12 +372,14 @@ void save_open_settings(void *sesskey, int do_host, Config *cfg)
     write_setting_i(sesskey, "BugHMAC2", 2-cfg->sshbug_hmac2);
     write_setting_i(sesskey, "BugDeriveKey2", 2-cfg->sshbug_derivekey2);
     write_setting_i(sesskey, "BugRSAPad2", 2-cfg->sshbug_rsapad2);
-    write_setting_i(sesskey, "BugDHGEx2", 2-cfg->sshbug_dhgex2);
     write_setting_i(sesskey, "BugPKSessID2", 2-cfg->sshbug_pksessid2);
     write_setting_i(sesskey, "StampUtmp", cfg->stamp_utmp);
     write_setting_i(sesskey, "LoginShell", cfg->login_shell);
     write_setting_i(sesskey, "ScrollbarOnLeft", cfg->scrollbar_on_left);
     write_setting_fontspec(sesskey, "BoldFont", cfg->boldfont);
+    write_setting_fontspec(sesskey, "WideFont", cfg->widefont);
+    write_setting_fontspec(sesskey, "WideBoldFont", cfg->wideboldfont);
+    write_setting_i(sesskey, "ShadowBold", cfg->shadowbold);
     write_setting_i(sesskey, "ShadowBoldOffset", cfg->shadowboldoffset);
 }
 
@@ -378,6 +409,9 @@ void load_open_settings(void *sesskey, int do_host, Config *cfg)
     gppfile(sesskey, "LogFileName", &cfg->logfilename);
     gppi(sesskey, "LogType", 0, &cfg->logtype);
     gppi(sesskey, "LogFileClash", LGXF_ASK, &cfg->logxfovr);
+    gppi(sesskey, "LogFlush", 1, &cfg->logflush);
+    gppi(sesskey, "SSHLogOmitPasswords", 1, &cfg->logomitpass);
+    gppi(sesskey, "SSHLogOmitData", 0, &cfg->logomitdata);
 
     gpps(sesskey, "Protocol", "default", prot, 10);
     cfg->protocol = default_protocol;
@@ -389,6 +423,9 @@ void load_open_settings(void *sesskey, int do_host, Config *cfg)
            break;
        }
 
+    /* Address family selection */
+    gppi(sesskey, "AddressFamily", ADDRTYPE_UNSPEC, &cfg->addressfamily);
+
     /* The CloseOnExit numbers are arranged in a different order from
      * the standard FORCE_ON / FORCE_OFF / AUTO. */
     gppi(sesskey, "CloseOnExit", 1, &i); cfg->close_on_exit = (i+1)%3;
@@ -401,6 +438,7 @@ void load_open_settings(void *sesskey, int do_host, Config *cfg)
        cfg->ping_interval = pingmin * 60 + pingsec;
     }
     gppi(sesskey, "TCPNoDelay", 1, &cfg->tcp_nodelay);
+    gppi(sesskey, "TCPKeepalives", 0, &cfg->tcp_keepalives);
     gpps(sesskey, "TerminalType", "xterm", cfg->termtype,
         sizeof(cfg->termtype));
     gpps(sesskey, "TerminalSpeed", "38400,38400", cfg->termspeed,
@@ -411,7 +449,26 @@ void load_open_settings(void *sesskey, int do_host, Config *cfg)
         sizeof(cfg->proxy_exclude_list));
     gppi(sesskey, "ProxyDNS", 1, &i); cfg->proxy_dns = (i+1)%3;
     gppi(sesskey, "ProxyLocalhost", 0, &cfg->even_proxy_localhost);
-    gppi(sesskey, "ProxyType", PROXY_NONE, &cfg->proxy_type);
+    gppi(sesskey, "ProxyMethod", -1, &cfg->proxy_type);
+    if (cfg->proxy_type == -1) {
+        int i;
+        gppi(sesskey, "ProxyType", 0, &i);
+        if (i == 0)
+            cfg->proxy_type = PROXY_NONE;
+        else if (i == 1)
+            cfg->proxy_type = PROXY_HTTP;
+        else if (i == 3)
+            cfg->proxy_type = PROXY_TELNET;
+        else if (i == 4)
+            cfg->proxy_type = PROXY_CMD;
+        else {
+            gppi(sesskey, "ProxySOCKSVersion", 5, &i);
+            if (i == 5)
+                cfg->proxy_type = PROXY_SOCKS5;
+            else
+                cfg->proxy_type = PROXY_SOCKS4;
+        }
+    }
     gpps(sesskey, "ProxyHost", "proxy", cfg->proxy_host,
         sizeof(cfg->proxy_host));
     gppi(sesskey, "ProxyPort", 80, &cfg->proxy_port);
@@ -421,7 +478,6 @@ void load_open_settings(void *sesskey, int do_host, Config *cfg)
         sizeof(cfg->proxy_password));
     gpps(sesskey, "ProxyTelnetCommand", "connect %host %port\\n",
         cfg->proxy_telnet_command, sizeof(cfg->proxy_telnet_command));
-    gppi(sesskey, "ProxySOCKSVersion", 5, &cfg->proxy_socks_version);
 
     {
        char buf[2 * sizeof(cfg->environmt)], *p, *q;
@@ -452,10 +508,28 @@ void load_open_settings(void *sesskey, int do_host, Config *cfg)
     gppi(sesskey, "ChangeUsername", 0, &cfg->change_username);
     gprefs(sesskey, "Cipher", "\0",
           ciphernames, CIPHER_MAX, cfg->ssh_cipherlist);
+    {
+       /* Backward-compatibility: we used to have an option to
+        * disable gex under the "bugs" panel after one report of
+        * a server which offered it then choked, but we never got
+        * a server version string or any other reports. */
+       char *default_kexes;
+       gppi(sesskey, "BugDHGEx2", 0, &i); i = 2-i;
+       if (i == FORCE_ON)
+           default_kexes = "dh-group14-sha1,dh-group1-sha1,WARN,dh-gex-sha1";
+       else
+           default_kexes = "dh-gex-sha1,dh-group14-sha1,dh-group1-sha1,WARN";
+       gprefs(sesskey, "KEX", default_kexes,
+              kexnames, KEX_MAX, cfg->ssh_kexlist);
+    }
+    gppi(sesskey, "RekeyTime", 60, &cfg->ssh_rekey_time);
+    gpps(sesskey, "RekeyBytes", "1G", cfg->ssh_rekey_data,
+        sizeof(cfg->ssh_rekey_data));
     gppi(sesskey, "SshProt", 2, &cfg->sshprot);
     gppi(sesskey, "SSH2DES", 0, &cfg->ssh2_des_cbc);
     gppi(sesskey, "AuthTIS", 0, &cfg->try_tis_auth);
     gppi(sesskey, "AuthKI", 1, &cfg->try_ki_auth);
+    gppi(sesskey, "SshNoShell", 0, &cfg->ssh_no_shell);
     gppfile(sesskey, "PublicKeyFile", &cfg->keyfile);
     gpps(sesskey, "RemoteCommand", "", cfg->remote_cmd,
         sizeof(cfg->remote_cmd));
@@ -470,6 +544,7 @@ void load_open_settings(void *sesskey, int do_host, Config *cfg)
     gppi(sesskey, "NoRemoteResize", 0, &cfg->no_remote_resize);
     gppi(sesskey, "NoAltScreen", 0, &cfg->no_alt_screen);
     gppi(sesskey, "NoRemoteWinTitle", 0, &cfg->no_remote_wintitle);
+    gppi(sesskey, "NoRemoteQTitle", 1, &cfg->no_remote_qtitle);
     gppi(sesskey, "NoDBackspace", 0, &cfg->no_dbackspace);
     gppi(sesskey, "NoRemoteCharset", 0, &cfg->no_remote_charset);
     gppi(sesskey, "ApplicationCursorKeys", 0, &cfg->app_cursor);
@@ -505,14 +580,20 @@ void load_open_settings(void *sesskey, int do_host, Config *cfg)
     gppi(sesskey, "DECOriginMode", 0, &cfg->dec_om);
     gppi(sesskey, "AutoWrapMode", 1, &cfg->wrap_mode);
     gppi(sesskey, "LFImpliesCR", 0, &cfg->lfhascr);
+    gppi(sesskey, "DisableArabicShaping", 0, &cfg->arabicshaping);
+    gppi(sesskey, "DisableBidi", 0, &cfg->bidi);
     gppi(sesskey, "WinNameAlways", 1, &cfg->win_name_always);
     gpps(sesskey, "WinTitle", "", cfg->wintitle, sizeof(cfg->wintitle));
     gppi(sesskey, "TermWidth", 80, &cfg->width);
     gppi(sesskey, "TermHeight", 24, &cfg->height);
     gppfont(sesskey, "Font", &cfg->font);
     gppi(sesskey, "FontVTMode", VT_UNICODE, (int *) &cfg->vtmode);
+    gppi(sesskey, "UseSystemColours", 0, &cfg->system_colour);
     gppi(sesskey, "TryPalette", 0, &cfg->try_palette);
+    gppi(sesskey, "ANSIColour", 1, &cfg->ansi_colour);
+    gppi(sesskey, "Xterm256Colour", 1, &cfg->xterm_256_colour);
     gppi(sesskey, "BoldAsColour", 1, &cfg->bold_colour);
+
     for (i = 0; i < 22; i++) {
        static const char *const defaults[] = {
            "187,187,187", "255,255,255", "0,0,0", "85,85,85", "0,0,0",
@@ -567,6 +648,7 @@ void load_open_settings(void *sesskey, int do_host, Config *cfg)
      */
     gpps(sesskey, "LineCodePage", "", cfg->line_codepage,
         sizeof(cfg->line_codepage));
+    gppi(sesskey, "UTF8Override", 1, &cfg->utf8_override);
     gpps(sesskey, "Printer", "", cfg->printer, sizeof(cfg->printer));
     gppi (sesskey, "CapsLockCyr", 0, &cfg->xlat_capslockcyr);
     gppi(sesskey, "ScrollBar", 1, &cfg->scrollbar);
@@ -578,7 +660,7 @@ void load_open_settings(void *sesskey, int do_host, Config *cfg)
     gppi(sesskey, "BCE", 1, &cfg->bce);
     gppi(sesskey, "BlinkText", 0, &cfg->blinktext);
     gppi(sesskey, "X11Forward", 0, &cfg->x11_forward);
-    gpps(sesskey, "X11Display", "localhost:0", cfg->x11_display,
+    gpps(sesskey, "X11Display", "", cfg->x11_display,
         sizeof(cfg->x11_display));
     gppi(sesskey, "X11AuthType", X11_MIT, &cfg->x11_auth);
 
@@ -618,11 +700,11 @@ void load_open_settings(void *sesskey, int do_host, Config *cfg)
     }
     gppi(sesskey, "BugDeriveKey2", 0, &i); cfg->sshbug_derivekey2 = 2-i;
     gppi(sesskey, "BugRSAPad2", 0, &i); cfg->sshbug_rsapad2 = 2-i;
-    gppi(sesskey, "BugDHGEx2", 0, &i); cfg->sshbug_dhgex2 = 2-i;
     gppi(sesskey, "BugPKSessID2", 0, &i); cfg->sshbug_pksessid2 = 2-i;
     gppi(sesskey, "StampUtmp", 1, &cfg->stamp_utmp);
     gppi(sesskey, "LoginShell", 1, &cfg->login_shell);
     gppi(sesskey, "ScrollbarOnLeft", 0, &cfg->scrollbar_on_left);
+    gppi(sesskey, "ShadowBold", 0, &cfg->shadowbold);
     gppfont(sesskey, "BoldFont", &cfg->boldfont);
     gppfont(sesskey, "WideFont", &cfg->widefont);
     gppfont(sesskey, "WideBoldFont", &cfg->wideboldfont);
@@ -672,7 +754,7 @@ void get_sesslist(struct sesslist *list, int allocate)
                    int len = strlen(otherbuf) + 1;
                    if (bufsize < buflen + len) {
                        bufsize = buflen + len + 2048;
-                       list->buffer = srealloc(list->buffer, bufsize);
+                       list->buffer = sresize(list->buffer, bufsize, char);
                    }
                    strcpy(list->buffer + buflen, otherbuf);
                    buflen += strlen(list->buffer + buflen) + 1;
@@ -680,7 +762,7 @@ void get_sesslist(struct sesslist *list, int allocate)
            } while (ret);
            enum_settings_finish(handle);
        }
-       list->buffer = srealloc(list->buffer, buflen + 1);
+       list->buffer = sresize(list->buffer, buflen + 1, char);
        list->buffer[buflen] = '\0';
 
        /*
@@ -699,7 +781,7 @@ void get_sesslist(struct sesslist *list, int allocate)
            p++;
        }
 
-       list->sessions = smalloc((list->nsessions + 1) * sizeof(char *));
+       list->sessions = snewn(list->nsessions + 1, char *);
        list->sessions[0] = "Default Settings";
        p = list->buffer;
        i = 1;