Actually adding the implementation of do_defaults for eef27ac3

Source commit: 0b16e1e0dd34d6fcb273919d78b8f62bd596f873

source/Putty.cbproj

@@ -100,6 +100,9 @@
 		<CppCompile Include="putty\be_misc.c">
 			<BuildOrder>47</BuildOrder>
 		</CppCompile>
+		<CppCompile Include="putty\be_ssh.c">
+			<BuildOrder>84</BuildOrder>
+		</CppCompile>
 		<CppCompile Include="putty\callback.c">
 			<BuildOrder>5</BuildOrder>
 			<BuildOrder>25</BuildOrder>
@@ -160,6 +163,9 @@
 		<CppCompile Include="putty\proxy.c">
 			<BuildOrder>20</BuildOrder>
 		</CppCompile>
+		<CppCompile Include="putty\settings.c">
+			<BuildOrder>82</BuildOrder>
+		</CppCompile>
 		<CppCompile Include="putty\ssh.c">
 			<BuildOrder>23</BuildOrder>
 			<BuildOrder>19</BuildOrder>
@@ -320,6 +326,9 @@
 			<BuildOrder>83</BuildOrder>
 			<BuildOrder>3</BuildOrder>
 		</CppCompile>
+		<CppCompile Include="putty\WINDOWS\windefs.c">
+			<BuildOrder>83</BuildOrder>
+		</CppCompile>
 		<CppCompile Include="putty\windows\wingss.c">
 			<BuildOrder>86</BuildOrder>
 			<BuildOrder>2</BuildOrder>

source/putty/be_ssh.c

@@ -0,0 +1,16 @@
+/*
+ * Linking module for programs that are restricted to only using SSH
+ * (pscp and psftp). These do not support selection of backend, but
+ * must still have a backends[] array mentioning SSH because
+ * settings.c will want to consult it during session load.
+ */
+
+#include <stdio.h>
+#include "putty.h"
+
+const int be_default_protocol = PROT_SSH;
+
+const struct BackendVtable *const backends[] = {
+    &ssh_backend,
+    NULL
+};

source/putty/settings.c

@@ -0,0 +1,1336 @@
+/*
+ * settings.c: read and write saved sessions. (platform-independent)
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "putty.h"
+#include "storage.h"
+#ifndef NO_GSSAPI
+#include "sshgssc.h"
+#include "sshgss.h"
+#endif
+
+
+/* The cipher order given here is the default order. */
+static const struct keyvalwhere ciphernames[] = {
+    { "aes",        CIPHER_AES,             -1, -1 },
+    { "chacha20",   CIPHER_CHACHA20,        CIPHER_AES, +1 },
+    { "3des",       CIPHER_3DES,            -1, -1 },
+    { "WARN",       CIPHER_WARN,            -1, -1 },
+    { "des",        CIPHER_DES,             -1, -1 },
+    { "blowfish",   CIPHER_BLOWFISH,        -1, -1 },
+    { "arcfour",    CIPHER_ARCFOUR,         -1, -1 },
+};
+
+/* The default order here is sometimes overridden by the backward-
+ * compatibility warts in load_open_settings(), and should be kept
+ * in sync with those. */
+static const struct keyvalwhere kexnames[] = {
+    { "ecdh",               KEX_ECDH,       -1, +1 },
+    /* This name is misleading: it covers both SHA-256 and SHA-1 variants */
+    { "dh-gex-sha1",        KEX_DHGEX,      -1, -1 },
+    { "dh-group14-sha1",    KEX_DHGROUP14,  -1, -1 },
+    { "dh-group1-sha1",     KEX_DHGROUP1,   KEX_WARN, +1 },
+    { "rsa",                KEX_RSA,        KEX_WARN, -1 },
+    { "WARN",               KEX_WARN,       -1, -1 }
+};
+
+static const struct keyvalwhere hknames[] = {
+    { "ed25519",    HK_ED25519,             -1, +1 },
+    { "ecdsa",      HK_ECDSA,               -1, -1 },
+    { "dsa",        HK_DSA,                 -1, -1 },
+    { "rsa",        HK_RSA,                 -1, -1 },
+    { "WARN",       HK_WARN,                -1, -1 },
+};
+
+/*
+ * All the terminal modes that we know about for the "TerminalModes"
+ * setting. (Also used by config.c for the drop-down list.)
+ * This is currently precisely the same as the set in ssh.c, but could
+ * in principle differ if other backends started to support tty modes
+ * (e.g., the pty backend).
+ * The set of modes in in this array is currently significant for
+ * settings migration from old versions; if they change, review the
+ * gppmap() invocation for "TerminalModes".
+ */
+const char *const ttymodes[] = {
+    "INTR",	"QUIT",     "ERASE",	"KILL",     "EOF",
+    "EOL",	"EOL2",     "START",	"STOP",     "SUSP",
+    "DSUSP",	"REPRINT",  "WERASE",	"LNEXT",    "FLUSH",
+    "SWTCH",	"STATUS",   "DISCARD",	"IGNPAR",   "PARMRK",
+    "INPCK",	"ISTRIP",   "INLCR",	"IGNCR",    "ICRNL",
+    "IUCLC",	"IXON",     "IXANY",	"IXOFF",    "IMAXBEL",
+    "IUTF8",    "ISIG",     "ICANON",   "XCASE",    "ECHO",
+    "ECHOE",    "ECHOK",    "ECHONL",   "NOFLSH",   "TOSTOP",
+    "IEXTEN",   "ECHOCTL",  "ECHOKE",   "PENDIN",   "OPOST",
+    "OLCUC",    "ONLCR",    "OCRNL",    "ONOCR",    "ONLRET",
+    "CS7",      "CS8",      "PARENB",   "PARODD",   NULL
+};
+
+/*
+ * Convenience functions to access the backends[] array
+ * (which is only present in tools that manage settings).
+ */
+
+const struct BackendVtable *backend_vt_from_name(const char *name)
+{
+    const struct BackendVtable *const *p;
+    for (p = backends; *p != NULL; p++)
+	if (!strcmp((*p)->name, name))
+	    return *p;
+    return NULL;
+}
+
+const struct BackendVtable *backend_vt_from_proto(int proto)
+{
+    const struct BackendVtable *const *p;
+    for (p = backends; *p != NULL; p++)
+	if ((*p)->protocol == proto)
+	    return *p;
+    return NULL;
+}
+
+char *get_remote_username(Conf *conf)
+{
+    char *username = conf_get_str(conf, CONF_username);
+    if (*username) {
+	return dupstr(username);
+    } else if (conf_get_bool(conf, CONF_username_from_env)) {
+	/* Use local username. */
+	return get_username();     /* might still be NULL */
+    } else {
+	return NULL;
+    }
+}
+
+static char *gpps_raw(settings_r *sesskey, const char *name, const char *def)
+{
+    char *ret = read_setting_s(sesskey, name);
+    if (!ret)
+	ret = platform_default_s(name);
+    if (!ret)
+	ret = def ? dupstr(def) : NULL;   /* permit NULL as final fallback */
+    return ret;
+}
+
+static void gpps(settings_r *sesskey, const char *name, const char *def,
+		 Conf *conf, int primary)
+{
+    char *val = gpps_raw(sesskey, name, def);
+    conf_set_str(conf, primary, val);
+    sfree(val);
+}
+
+/*
+ * gppfont and gppfile cannot have local defaults, since the very
+ * format of a Filename or FontSpec is platform-dependent. So the
+ * platform-dependent functions MUST return some sort of value.
+ */
+static void gppfont(settings_r *sesskey, char *name,
+                    Conf *conf, int primary)
+{
+    FontSpec *result = read_setting_fontspec(sesskey, name);
+    if (!result)
+        result = platform_default_fontspec(name);
+    conf_set_fontspec(conf, primary, result);
+    fontspec_free(result);
+}
+static void gppfile(settings_r *sesskey, const char *name,
+                    Conf *conf, int primary)
+{
+    Filename *result = read_setting_filename(sesskey, name);
+    if (!result)
+	result = platform_default_filename(name);
+    conf_set_filename(conf, primary, result);
+    filename_free(result);
+}
+
+static bool gppb_raw(settings_r *sesskey, const char *name, bool def)
+{
+    def = platform_default_b(name, def);
+    return sesskey ? read_setting_i(sesskey, name, def) != 0 : def;
+}
+
+static void gppb(settings_r *sesskey, const char *name, bool def,
+                 Conf *conf, int primary)
+{
+    conf_set_bool(conf, primary, gppb_raw(sesskey, name, def));
+}
+
+static int gppi_raw(settings_r *sesskey, const char *name, int def)
+{
+    def = platform_default_i(name, def);
+    return read_setting_i(sesskey, name, def);
+}
+
+static void gppi(settings_r *sesskey, const char *name, int def,
+                 Conf *conf, int primary)
+{
+    conf_set_int(conf, primary, gppi_raw(sesskey, name, def));
+}
+
+/*
+ * Read a set of name-value pairs in the format we occasionally use:
+ *   NAME\tVALUE\0NAME\tVALUE\0\0 in memory
+ *   NAME=VALUE,NAME=VALUE, in storage
+ * If there's no "=VALUE" (e.g. just NAME,NAME,NAME) then those keys
+ * are mapped to the empty string.
+ */
+static bool gppmap(settings_r *sesskey, const char *name,
+                   Conf *conf, int primary)
+{
+    char *buf, *p, *q, *key, *val;
+
+    /*
+     * Start by clearing any existing subkeys of this key from conf.
+     */
+    while ((key = conf_get_str_nthstrkey(conf, primary, 0)) != NULL)
+        conf_del_str_str(conf, primary, key);
+
+    /*
+     * Now read a serialised list from the settings and unmarshal it
+     * into its components.
+     */
+    buf = gpps_raw(sesskey, name, NULL);
+    if (!buf)
+	return false;
+
+    p = buf;
+    while (*p) {
+	q = buf;
+	val = NULL;
+	while (*p && *p != ',') {
+	    int c = *p++;
+	    if (c == '=')
+		c = '\0';
+	    if (c == '\\')
+		c = *p++;
+	    *q++ = c;
+	    if (!c)
+		val = q;
+	}
+	if (*p == ',')
+	    p++;
+	if (!val)
+	    val = q;
+	*q = '\0';
+
+        if (primary == CONF_portfwd && strchr(buf, 'D') != NULL) {
+            /*
+             * Backwards-compatibility hack: dynamic forwardings are
+             * indexed in the data store as a third type letter in the
+             * key, 'D' alongside 'L' and 'R' - but really, they
+             * should be filed under 'L' with a special _value_,
+             * because local and dynamic forwardings both involve
+             * _listening_ on a local port, and are hence mutually
+             * exclusive on the same port number. So here we translate
+             * the legacy storage format into the sensible internal
+             * form, by finding the D and turning it into a L.
+             */
+            char *newkey = dupstr(buf);
+            *strchr(newkey, 'D') = 'L';
+            conf_set_str_str(conf, primary, newkey, "D");
+            sfree(newkey);
+        } else {
+            conf_set_str_str(conf, primary, buf, val);
+        }
+    }
+    sfree(buf);
+
+    return true;
+}
+
+/*
+ * Write a set of name/value pairs in the above format, or just the
+ * names if include_values is false.
+ */
+static void wmap(settings_w *sesskey, char const *outkey, Conf *conf,
+                 int primary, bool include_values)
+{
+    char *buf, *p, *key, *realkey;
+    const char *val, *q;
+    int len;
+
+    len = 1;			       /* allow for NUL */
+
+    for (val = conf_get_str_strs(conf, primary, NULL, &key);
+	 val != NULL;
+	 val = conf_get_str_strs(conf, primary, key, &key))
+	len += 2 + 2 * (strlen(key) + strlen(val));   /* allow for escaping */
+
+    buf = snewn(len, char);
+    p = buf;
+
+    for (val = conf_get_str_strs(conf, primary, NULL, &key);
+	 val != NULL;
+	 val = conf_get_str_strs(conf, primary, key, &key)) {
+
+        if (primary == CONF_portfwd && !strcmp(val, "D")) {
+            /*
+             * Backwards-compatibility hack, as above: translate from
+             * the sensible internal representation of dynamic
+             * forwardings (key "L<port>", value "D") to the
+             * conceptually incoherent legacy storage format (key
+             * "D<port>", value empty).
+             */
+            char *L;
+
+            realkey = key;             /* restore it at end of loop */
+            val = "";
+            key = dupstr(key);
+            L = strchr(key, 'L');
+            if (L) *L = 'D';
+        } else {
+            realkey = NULL;
+        }
+
+	if (p != buf)
+	    *p++ = ',';
+	for (q = key; *q; q++) {
+	    if (*q == '=' || *q == ',' || *q == '\\')
+		*p++ = '\\';
+	    *p++ = *q;
+	}
+        if (include_values) {
+            *p++ = '=';
+            for (q = val; *q; q++) {
+                if (*q == '=' || *q == ',' || *q == '\\')
+                    *p++ = '\\';
+                *p++ = *q;
+            }
+        }
+
+        if (realkey) {
+            free(key);
+            key = realkey;
+        }
+    }
+    *p = '\0';
+    write_setting_s(sesskey, outkey, buf);
+    sfree(buf);
+}
+
+static int key2val(const struct keyvalwhere *mapping,
+                   int nmaps, char *key)
+{
+    int i;
+    for (i = 0; i < nmaps; i++)
+	if (!strcmp(mapping[i].s, key)) return mapping[i].v;
+    return -1;
+}
+
+static const char *val2key(const struct keyvalwhere *mapping,
+                           int nmaps, int val)
+{
+    int i;
+    for (i = 0; i < nmaps; i++)
+	if (mapping[i].v == val) return mapping[i].s;
+    return NULL;
+}
+
+/*
+ * Helper function to parse a comma-separated list of strings into
+ * a preference list array of values. Any missing values are added
+ * to the end and duplicates are weeded.
+ * XXX: assumes vals in 'mapping' are small +ve integers
+ */
+static void gprefs_from_str(const char *str,
+			    const struct keyvalwhere *mapping, int nvals,
+			    Conf *conf, int primary)
+{
+    char *commalist = dupstr(str);
+    char *p, *q;
+    int i, j, n, v, pos;
+    unsigned long seen = 0;	       /* bitmap for weeding dups etc */
+
+    /*
+     * Go through that list and convert it into values.
+     */
+    n = 0;
+    p = commalist;
+    while (1) {
+        while (*p && *p == ',') p++;
+        if (!*p)
+            break;                     /* no more words */
+
+        q = p;
+        while (*p && *p != ',') p++;
+        if (*p) *p++ = '\0';
+
+        v = key2val(mapping, nvals, q);
+        if (v != -1 && !(seen & (1 << v))) {
+	    seen |= (1 << v);
+            conf_set_int_int(conf, primary, n, v);
+            n++;
+	}
+    }
+
+    sfree(commalist);
+
+    /*
+     * Now go through 'mapping' and add values that weren't mentioned
+     * in the list we fetched. We may have to loop over it multiple
+     * times so that we add values before other values whose default
+     * positions depend on them.
+     */
+    while (n < nvals) {
+        for (i = 0; i < nvals; i++) {
+	    assert(mapping[i].v >= 0);
+	    assert(mapping[i].v < 32);
+
+	    if (!(seen & (1 << mapping[i].v))) {
+                /*
+                 * This element needs adding. But can we add it yet?
+                 */
+                if (mapping[i].vrel != -1 && !(seen & (1 << mapping[i].vrel)))
+                    continue;          /* nope */
+
+                /*
+                 * OK, we can work out where to add this element, so
+                 * do so.
+                 */
+                if (mapping[i].vrel == -1) {
+                    pos = (mapping[i].where < 0 ? n : 0);
+                } else {
+                    for (j = 0; j < n; j++)
+                        if (conf_get_int_int(conf, primary, j) ==
+                            mapping[i].vrel)
+                            break;
+                    assert(j < n);     /* implied by (seen & (1<<vrel)) */
+                    pos = (mapping[i].where < 0 ? j : j+1);
+                }
+
+                /*
+                 * And add it.
+                 */
+                for (j = n-1; j >= pos; j--)
+                    conf_set_int_int(conf, primary, j+1,
+                                     conf_get_int_int(conf, primary, j));
+                conf_set_int_int(conf, primary, pos, mapping[i].v);
+                seen |= (1 << mapping[i].v);
+                n++;
+            }
+        }
+    }
+}
+
+/*
+ * Read a preference list.
+ */
+static void gprefs(settings_r *sesskey, const char *name, const char *def,
+		   const struct keyvalwhere *mapping, int nvals,
+		   Conf *conf, int primary)
+{
+    /*
+     * Fetch the string which we'll parse as a comma-separated list.
+     */
+    char *value = gpps_raw(sesskey, name, def);
+    gprefs_from_str(value, mapping, nvals, conf, primary);
+    sfree(value);
+}
+
+/* 
+ * Write out a preference list.
+ */
+static void wprefs(settings_w *sesskey, const char *name,
+		   const struct keyvalwhere *mapping, int nvals,
+		   Conf *conf, int primary)
+{
+    char *buf, *p;
+    int i, maxlen;
+
+    for (maxlen = i = 0; i < nvals; i++) {
+	const char *s = val2key(mapping, nvals,
+                                conf_get_int_int(conf, primary, i));
+	if (s) {
+            maxlen += (maxlen > 0 ? 1 : 0) + strlen(s);
+        }
+    }
+
+    buf = snewn(maxlen + 1, char);
+    p = buf;
+
+    for (i = 0; i < nvals; i++) {
+	const char *s = val2key(mapping, nvals,
+                                conf_get_int_int(conf, primary, i));
+	if (s) {
+            p += sprintf(p, "%s%s", (p > buf ? "," : ""), s);
+	}
+    }
+
+    assert(p - buf == maxlen);
+    *p = '\0';
+
+    write_setting_s(sesskey, name, buf);
+
+    sfree(buf);
+}
+
+static void write_setting_b(settings_w *handle, const char *key, bool value)
+{
+    write_setting_i(handle, key, value ? 1 : 0);
+}
+
+static void write_clip_setting(settings_w *sesskey, const char *savekey,
+                               Conf *conf, int confkey, int strconfkey)
+{
+    int val = conf_get_int(conf, confkey);
+    switch (val) {
+      case CLIPUI_NONE:
+      default:
+        write_setting_s(sesskey, savekey, "none");
+        break;
+      case CLIPUI_IMPLICIT:
+        write_setting_s(sesskey, savekey, "implicit");
+        break;
+      case CLIPUI_EXPLICIT:
+        write_setting_s(sesskey, savekey, "explicit");
+        break;
+      case CLIPUI_CUSTOM:
+        {
+            char *sval = dupcat("custom:", conf_get_str(conf, strconfkey),
+                                (const char *)NULL);
+            write_setting_s(sesskey, savekey, sval);
+            sfree(sval);
+        }
+        break;
+    }
+}
+
+static void read_clip_setting(settings_r *sesskey, char *savekey,
+                              int def, Conf *conf, int confkey, int strconfkey)
+{
+    char *setting = read_setting_s(sesskey, savekey);
+    int val;
+
+    conf_set_str(conf, strconfkey, "");
+    if (!setting) {
+        val = def;
+    } else if (!strcmp(setting, "implicit")) {
+        val = CLIPUI_IMPLICIT;
+    } else if (!strcmp(setting, "explicit")) {
+        val = CLIPUI_EXPLICIT;
+    } else if (!strncmp(setting, "custom:", 7)) {
+        val = CLIPUI_CUSTOM;
+        conf_set_str(conf, strconfkey, setting + 7);
+    } else {
+        val = CLIPUI_NONE;
+    }
+    conf_set_int(conf, confkey, val);
+    sfree(setting);
+}
+
+char *save_settings(const char *section, Conf *conf)
+{
+    struct settings_w *sesskey;
+    char *errmsg;
+
+    sesskey = open_settings_w(section, &errmsg);
+    if (!sesskey)
+	return errmsg;
+    save_open_settings(sesskey, conf);
+    close_settings_w(sesskey);
+    return NULL;
+}
+
+void save_open_settings(settings_w *sesskey, Conf *conf)
+{
+    int i;
+    const char *p;
+
+    write_setting_i(sesskey, "Present", 1);
+    write_setting_s(sesskey, "HostName", conf_get_str(conf, CONF_host));
+    write_setting_filename(sesskey, "LogFileName", conf_get_filename(conf, CONF_logfilename));
+    write_setting_i(sesskey, "LogType", conf_get_int(conf, CONF_logtype));
+    write_setting_i(sesskey, "LogFileClash", conf_get_int(conf, CONF_logxfovr));
+    write_setting_b(sesskey, "LogFlush", conf_get_bool(conf, CONF_logflush));
+    write_setting_b(sesskey, "LogHeader", conf_get_bool(conf, CONF_logheader));
+    write_setting_b(sesskey, "SSHLogOmitPasswords", conf_get_bool(conf, CONF_logomitpass));
+    write_setting_b(sesskey, "SSHLogOmitData", conf_get_bool(conf, CONF_logomitdata));
+    p = "raw";
+    {
+        const struct BackendVtable *vt =
+            backend_vt_from_proto(conf_get_int(conf, CONF_protocol));
+        if (vt)
+            p = vt->name;
+    }
+    write_setting_s(sesskey, "Protocol", p);
+    write_setting_i(sesskey, "PortNumber", conf_get_int(conf, CONF_port));
+    /* The CloseOnExit numbers are arranged in a different order from
+     * the standard FORCE_ON / FORCE_OFF / AUTO. */
+    write_setting_i(sesskey, "CloseOnExit", (conf_get_int(conf, CONF_close_on_exit)+2)%3);
+    write_setting_b(sesskey, "WarnOnClose", !!conf_get_bool(conf, CONF_warn_on_close));
+    write_setting_i(sesskey, "PingInterval", conf_get_int(conf, CONF_ping_interval) / 60);	/* minutes */
+    write_setting_i(sesskey, "PingIntervalSecs", conf_get_int(conf, CONF_ping_interval) % 60);	/* seconds */
+    write_setting_b(sesskey, "TCPNoDelay", conf_get_bool(conf, CONF_tcp_nodelay));
+    write_setting_b(sesskey, "TCPKeepalives", conf_get_bool(conf, CONF_tcp_keepalives));
+    write_setting_s(sesskey, "TerminalType", conf_get_str(conf, CONF_termtype));
+    write_setting_s(sesskey, "TerminalSpeed", conf_get_str(conf, CONF_termspeed));
+    wmap(sesskey, "TerminalModes", conf, CONF_ttymodes, true);
+
+    /* Address family selection */
+    write_setting_i(sesskey, "AddressFamily", conf_get_int(conf, CONF_addressfamily));
+
+    /* proxy settings */
+    write_setting_s(sesskey, "ProxyExcludeList", conf_get_str(conf, CONF_proxy_exclude_list));
+    write_setting_i(sesskey, "ProxyDNS", (conf_get_int(conf, CONF_proxy_dns)+2)%3);
+    write_setting_b(sesskey, "ProxyLocalhost", conf_get_bool(conf, CONF_even_proxy_localhost));
+    write_setting_i(sesskey, "ProxyMethod", conf_get_int(conf, CONF_proxy_type));
+    write_setting_s(sesskey, "ProxyHost", conf_get_str(conf, CONF_proxy_host));
+    write_setting_i(sesskey, "ProxyPort", conf_get_int(conf, CONF_proxy_port));
+    write_setting_s(sesskey, "ProxyUsername", conf_get_str(conf, CONF_proxy_username));
+    write_setting_s(sesskey, "ProxyPassword", conf_get_str(conf, CONF_proxy_password));
+    write_setting_s(sesskey, "ProxyTelnetCommand", conf_get_str(conf, CONF_proxy_telnet_command));
+    write_setting_i(sesskey, "ProxyLogToTerm", conf_get_int(conf, CONF_proxy_log_to_term));
+    wmap(sesskey, "Environment", conf, CONF_environmt, true);
+    write_setting_s(sesskey, "UserName", conf_get_str(conf, CONF_username));
+    write_setting_b(sesskey, "UserNameFromEnvironment", conf_get_bool(conf, CONF_username_from_env));
+    write_setting_s(sesskey, "LocalUserName", conf_get_str(conf, CONF_localusername));
+    write_setting_b(sesskey, "NoPTY", conf_get_bool(conf, CONF_nopty));
+    write_setting_b(sesskey, "Compression", conf_get_bool(conf, CONF_compression));
+    write_setting_b(sesskey, "TryAgent", conf_get_bool(conf, CONF_tryagent));
+    write_setting_b(sesskey, "AgentFwd", conf_get_bool(conf, CONF_agentfwd));
+#ifndef NO_GSSAPI
+    write_setting_b(sesskey, "GssapiFwd", conf_get_bool(conf, CONF_gssapifwd));
+#endif
+    write_setting_b(sesskey, "ChangeUsername", conf_get_bool(conf, CONF_change_username));
+    wprefs(sesskey, "Cipher", ciphernames, CIPHER_MAX, conf, CONF_ssh_cipherlist);
+    wprefs(sesskey, "KEX", kexnames, KEX_MAX, conf, CONF_ssh_kexlist);
+    wprefs(sesskey, "HostKey", hknames, HK_MAX, conf, CONF_ssh_hklist);
+    write_setting_i(sesskey, "RekeyTime", conf_get_int(conf, CONF_ssh_rekey_time));
+#ifndef NO_GSSAPI
+    write_setting_i(sesskey, "GssapiRekey", conf_get_int(conf, CONF_gssapirekey));
+#endif
+    write_setting_s(sesskey, "RekeyBytes", conf_get_str(conf, CONF_ssh_rekey_data));
+    write_setting_b(sesskey, "SshNoAuth", conf_get_bool(conf, CONF_ssh_no_userauth));
+    write_setting_b(sesskey, "SshBanner", conf_get_bool(conf, CONF_ssh_show_banner));
+    write_setting_b(sesskey, "AuthTIS", conf_get_bool(conf, CONF_try_tis_auth));
+    write_setting_b(sesskey, "AuthKI", conf_get_bool(conf, CONF_try_ki_auth));
+#ifndef NO_GSSAPI
+    write_setting_b(sesskey, "AuthGSSAPI", conf_get_bool(conf, CONF_try_gssapi_auth));
+    write_setting_b(sesskey, "AuthGSSAPIKEX", conf_get_bool(conf, CONF_try_gssapi_kex));
+    wprefs(sesskey, "GSSLibs", gsslibkeywords, ngsslibs, conf, CONF_ssh_gsslist);
+    write_setting_filename(sesskey, "GSSCustom", conf_get_filename(conf, CONF_ssh_gss_custom));
+#endif
+    write_setting_b(sesskey, "SshNoShell", conf_get_bool(conf, CONF_ssh_no_shell));
+    write_setting_i(sesskey, "SshProt", conf_get_int(conf, CONF_sshprot));
+    write_setting_s(sesskey, "LogHost", conf_get_str(conf, CONF_loghost));
+    write_setting_b(sesskey, "SSH2DES", conf_get_bool(conf, CONF_ssh2_des_cbc));
+    write_setting_filename(sesskey, "PublicKeyFile", conf_get_filename(conf, CONF_keyfile));
+    write_setting_s(sesskey, "RemoteCommand", conf_get_str(conf, CONF_remote_cmd));
+    write_setting_b(sesskey, "RFCEnviron", conf_get_bool(conf, CONF_rfc_environ));
+    write_setting_b(sesskey, "PassiveTelnet", conf_get_bool(conf, CONF_passive_telnet));
+    write_setting_b(sesskey, "BackspaceIsDelete", conf_get_bool(conf, CONF_bksp_is_delete));
+    write_setting_b(sesskey, "RXVTHomeEnd", conf_get_bool(conf, CONF_rxvt_homeend));
+    write_setting_i(sesskey, "LinuxFunctionKeys", conf_get_int(conf, CONF_funky_type));
+    write_setting_b(sesskey, "NoApplicationKeys", conf_get_bool(conf, CONF_no_applic_k));
+    write_setting_b(sesskey, "NoApplicationCursors", conf_get_bool(conf, CONF_no_applic_c));
+    write_setting_b(sesskey, "NoMouseReporting", conf_get_bool(conf, CONF_no_mouse_rep));
+    write_setting_b(sesskey, "NoRemoteResize", conf_get_bool(conf, CONF_no_remote_resize));
+    write_setting_b(sesskey, "NoAltScreen", conf_get_bool(conf, CONF_no_alt_screen));
+    write_setting_b(sesskey, "NoRemoteWinTitle", conf_get_bool(conf, CONF_no_remote_wintitle));
+    write_setting_b(sesskey, "NoRemoteClearScroll", conf_get_bool(conf, CONF_no_remote_clearscroll));
+    write_setting_i(sesskey, "RemoteQTitleAction", conf_get_int(conf, CONF_remote_qtitle_action));
+    write_setting_b(sesskey, "NoDBackspace", conf_get_bool(conf, CONF_no_dbackspace));
+    write_setting_b(sesskey, "NoRemoteCharset", conf_get_bool(conf, CONF_no_remote_charset));
+    write_setting_b(sesskey, "ApplicationCursorKeys", conf_get_bool(conf, CONF_app_cursor));
+    write_setting_b(sesskey, "ApplicationKeypad", conf_get_bool(conf, CONF_app_keypad));
+    write_setting_b(sesskey, "NetHackKeypad", conf_get_bool(conf, CONF_nethack_keypad));
+    write_setting_b(sesskey, "AltF4", conf_get_bool(conf, CONF_alt_f4));
+    write_setting_b(sesskey, "AltSpace", conf_get_bool(conf, CONF_alt_space));
+    write_setting_b(sesskey, "AltOnly", conf_get_bool(conf, CONF_alt_only));
+    write_setting_b(sesskey, "ComposeKey", conf_get_bool(conf, CONF_compose_key));
+    write_setting_b(sesskey, "CtrlAltKeys", conf_get_bool(conf, CONF_ctrlaltkeys));
+#ifdef OSX_META_KEY_CONFIG
+    write_setting_b(sesskey, "OSXOptionMeta", conf_get_bool(conf, CONF_osx_option_meta));
+    write_setting_b(sesskey, "OSXCommandMeta", conf_get_bool(conf, CONF_osx_command_meta));
+#endif
+    write_setting_b(sesskey, "TelnetKey", conf_get_bool(conf, CONF_telnet_keyboard));
+    write_setting_b(sesskey, "TelnetRet", conf_get_bool(conf, CONF_telnet_newline));
+    write_setting_i(sesskey, "LocalEcho", conf_get_int(conf, CONF_localecho));
+    write_setting_i(sesskey, "LocalEdit", conf_get_int(conf, CONF_localedit));
+    write_setting_s(sesskey, "Answerback", conf_get_str(conf, CONF_answerback));
+    write_setting_b(sesskey, "AlwaysOnTop", conf_get_bool(conf, CONF_alwaysontop));
+    write_setting_b(sesskey, "FullScreenOnAltEnter", conf_get_bool(conf, CONF_fullscreenonaltenter));
+    write_setting_b(sesskey, "HideMousePtr", conf_get_bool(conf, CONF_hide_mouseptr));
+    write_setting_b(sesskey, "SunkenEdge", conf_get_bool(conf, CONF_sunken_edge));
+    write_setting_i(sesskey, "WindowBorder", conf_get_int(conf, CONF_window_border));
+    write_setting_i(sesskey, "CurType", conf_get_int(conf, CONF_cursor_type));
+    write_setting_b(sesskey, "BlinkCur", conf_get_bool(conf, CONF_blink_cur));
+    write_setting_i(sesskey, "Beep", conf_get_int(conf, CONF_beep));
+    write_setting_i(sesskey, "BeepInd", conf_get_int(conf, CONF_beep_ind));
+    write_setting_filename(sesskey, "BellWaveFile", conf_get_filename(conf, CONF_bell_wavefile));
+    write_setting_b(sesskey, "BellOverload", conf_get_bool(conf, CONF_bellovl));
+    write_setting_i(sesskey, "BellOverloadN", conf_get_int(conf, CONF_bellovl_n));
+    write_setting_i(sesskey, "BellOverloadT", conf_get_int(conf, CONF_bellovl_t)
+#ifdef PUTTY_UNIX_H
+		    * 1000
+#endif
+		    );
+    write_setting_i(sesskey, "BellOverloadS", conf_get_int(conf, CONF_bellovl_s)
+#ifdef PUTTY_UNIX_H
+		    * 1000
+#endif
+		    );
+    write_setting_i(sesskey, "ScrollbackLines", conf_get_int(conf, CONF_savelines));
+    write_setting_b(sesskey, "DECOriginMode", conf_get_bool(conf, CONF_dec_om));
+    write_setting_b(sesskey, "AutoWrapMode", conf_get_bool(conf, CONF_wrap_mode));
+    write_setting_b(sesskey, "LFImpliesCR", conf_get_bool(conf, CONF_lfhascr));
+    write_setting_b(sesskey, "CRImpliesLF", conf_get_bool(conf, CONF_crhaslf));
+    write_setting_b(sesskey, "DisableArabicShaping", conf_get_bool(conf, CONF_no_arabicshaping));
+    write_setting_b(sesskey, "DisableBidi", conf_get_bool(conf, CONF_no_bidi));
+    write_setting_b(sesskey, "WinNameAlways", conf_get_bool(conf, CONF_win_name_always));
+    write_setting_s(sesskey, "WinTitle", conf_get_str(conf, CONF_wintitle));
+    write_setting_i(sesskey, "TermWidth", conf_get_int(conf, CONF_width));
+    write_setting_i(sesskey, "TermHeight", conf_get_int(conf, CONF_height));
+    write_setting_fontspec(sesskey, "Font", conf_get_fontspec(conf, CONF_font));
+    write_setting_i(sesskey, "FontQuality", conf_get_int(conf, CONF_font_quality));
+    write_setting_i(sesskey, "FontVTMode", conf_get_int(conf, CONF_vtmode));
+    write_setting_b(sesskey, "UseSystemColours", conf_get_bool(conf, CONF_system_colour));
+    write_setting_b(sesskey, "TryPalette", conf_get_bool(conf, CONF_try_palette));
+    write_setting_b(sesskey, "ANSIColour", conf_get_bool(conf, CONF_ansi_colour));
+    write_setting_b(sesskey, "Xterm256Colour", conf_get_bool(conf, CONF_xterm_256_colour));
+    write_setting_b(sesskey, "TrueColour", conf_get_bool(conf, CONF_true_colour));
+    write_setting_i(sesskey, "BoldAsColour", conf_get_int(conf, CONF_bold_style)-1);
+
+    for (i = 0; i < 22; i++) {
+	char buf[20], buf2[30];
+	sprintf(buf, "Colour%d", i);
+	sprintf(buf2, "%d,%d,%d",
+		conf_get_int_int(conf, CONF_colours, i*3+0),
+		conf_get_int_int(conf, CONF_colours, i*3+1),
+		conf_get_int_int(conf, CONF_colours, i*3+2));
+	write_setting_s(sesskey, buf, buf2);
+    }
+    write_setting_b(sesskey, "RawCNP", conf_get_bool(conf, CONF_rawcnp));
+    write_setting_b(sesskey, "UTF8linedraw", conf_get_bool(conf, CONF_utf8linedraw));
+    write_setting_b(sesskey, "PasteRTF", conf_get_bool(conf, CONF_rtf_paste));
+    write_setting_i(sesskey, "MouseIsXterm", conf_get_int(conf, CONF_mouse_is_xterm));
+    write_setting_b(sesskey, "RectSelect", conf_get_bool(conf, CONF_rect_select));
+    write_setting_b(sesskey, "PasteControls", conf_get_bool(conf, CONF_paste_controls));
+    write_setting_b(sesskey, "MouseOverride", conf_get_bool(conf, CONF_mouse_override));
+    for (i = 0; i < 256; i += 32) {
+	char buf[20], buf2[256];
+	int j;
+	sprintf(buf, "Wordness%d", i);
+	*buf2 = '\0';
+	for (j = i; j < i + 32; j++) {
+	    sprintf(buf2 + strlen(buf2), "%s%d",
+		    (*buf2 ? "," : ""),
+		    conf_get_int_int(conf, CONF_wordness, j));
+	}
+	write_setting_s(sesskey, buf, buf2);
+    }
+    write_setting_b(sesskey, "MouseAutocopy",
+                    conf_get_bool(conf, CONF_mouseautocopy));
+    write_clip_setting(sesskey, "MousePaste", conf,
+                       CONF_mousepaste, CONF_mousepaste_custom);
+    write_clip_setting(sesskey, "CtrlShiftIns", conf,
+                       CONF_ctrlshiftins, CONF_ctrlshiftins_custom);
+    write_clip_setting(sesskey, "CtrlShiftCV", conf,
+                       CONF_ctrlshiftcv, CONF_ctrlshiftcv_custom);
+    write_setting_s(sesskey, "LineCodePage", conf_get_str(conf, CONF_line_codepage));
+    write_setting_b(sesskey, "CJKAmbigWide", conf_get_bool(conf, CONF_cjk_ambig_wide));
+    write_setting_b(sesskey, "UTF8Override", conf_get_bool(conf, CONF_utf8_override));
+    write_setting_s(sesskey, "Printer", conf_get_str(conf, CONF_printer));
+    write_setting_b(sesskey, "CapsLockCyr", conf_get_bool(conf, CONF_xlat_capslockcyr));
+    write_setting_b(sesskey, "ScrollBar", conf_get_bool(conf, CONF_scrollbar));
+    write_setting_b(sesskey, "ScrollBarFullScreen", conf_get_bool(conf, CONF_scrollbar_in_fullscreen));
+    write_setting_b(sesskey, "ScrollOnKey", conf_get_bool(conf, CONF_scroll_on_key));
+    write_setting_b(sesskey, "ScrollOnDisp", conf_get_bool(conf, CONF_scroll_on_disp));
+    write_setting_b(sesskey, "EraseToScrollback", conf_get_bool(conf, CONF_erase_to_scrollback));
+    write_setting_i(sesskey, "LockSize", conf_get_int(conf, CONF_resize_action));
+    write_setting_b(sesskey, "BCE", conf_get_bool(conf, CONF_bce));
+    write_setting_b(sesskey, "BlinkText", conf_get_bool(conf, CONF_blinktext));
+    write_setting_b(sesskey, "X11Forward", conf_get_bool(conf, CONF_x11_forward));
+    write_setting_s(sesskey, "X11Display", conf_get_str(conf, CONF_x11_display));
+    write_setting_i(sesskey, "X11AuthType", conf_get_int(conf, CONF_x11_auth));
+    write_setting_filename(sesskey, "X11AuthFile", conf_get_filename(conf, CONF_xauthfile));
+    write_setting_b(sesskey, "LocalPortAcceptAll", conf_get_bool(conf, CONF_lport_acceptall));
+    write_setting_b(sesskey, "RemotePortAcceptAll", conf_get_bool(conf, CONF_rport_acceptall));
+    wmap(sesskey, "PortForwardings", conf, CONF_portfwd, true);
+    write_setting_i(sesskey, "BugIgnore1", 2-conf_get_int(conf, CONF_sshbug_ignore1));
+    write_setting_i(sesskey, "BugPlainPW1", 2-conf_get_int(conf, CONF_sshbug_plainpw1));
+    write_setting_i(sesskey, "BugRSA1", 2-conf_get_int(conf, CONF_sshbug_rsa1));
+    write_setting_i(sesskey, "BugIgnore2", 2-conf_get_int(conf, CONF_sshbug_ignore2));
+    write_setting_i(sesskey, "BugHMAC2", 2-conf_get_int(conf, CONF_sshbug_hmac2));
+    write_setting_i(sesskey, "BugDeriveKey2", 2-conf_get_int(conf, CONF_sshbug_derivekey2));
+    write_setting_i(sesskey, "BugRSAPad2", 2-conf_get_int(conf, CONF_sshbug_rsapad2));
+    write_setting_i(sesskey, "BugPKSessID2", 2-conf_get_int(conf, CONF_sshbug_pksessid2));
+    write_setting_i(sesskey, "BugRekey2", 2-conf_get_int(conf, CONF_sshbug_rekey2));
+    write_setting_i(sesskey, "BugMaxPkt2", 2-conf_get_int(conf, CONF_sshbug_maxpkt2));
+    write_setting_i(sesskey, "BugOldGex2", 2-conf_get_int(conf, CONF_sshbug_oldgex2));
+    write_setting_i(sesskey, "BugWinadj", 2-conf_get_int(conf, CONF_sshbug_winadj));
+    write_setting_i(sesskey, "BugChanReq", 2-conf_get_int(conf, CONF_sshbug_chanreq));
+    write_setting_b(sesskey, "StampUtmp", conf_get_bool(conf, CONF_stamp_utmp));
+    write_setting_b(sesskey, "LoginShell", conf_get_bool(conf, CONF_login_shell));
+    write_setting_b(sesskey, "ScrollbarOnLeft", conf_get_bool(conf, CONF_scrollbar_on_left));
+    write_setting_fontspec(sesskey, "BoldFont", conf_get_fontspec(conf, CONF_boldfont));
+    write_setting_fontspec(sesskey, "WideFont", conf_get_fontspec(conf, CONF_widefont));
+    write_setting_fontspec(sesskey, "WideBoldFont", conf_get_fontspec(conf, CONF_wideboldfont));
+    write_setting_b(sesskey, "ShadowBold", conf_get_bool(conf, CONF_shadowbold));
+    write_setting_i(sesskey, "ShadowBoldOffset", conf_get_int(conf, CONF_shadowboldoffset));
+    write_setting_s(sesskey, "SerialLine", conf_get_str(conf, CONF_serline));
+    write_setting_i(sesskey, "SerialSpeed", conf_get_int(conf, CONF_serspeed));
+    write_setting_i(sesskey, "SerialDataBits", conf_get_int(conf, CONF_serdatabits));
+    write_setting_i(sesskey, "SerialStopHalfbits", conf_get_int(conf, CONF_serstopbits));
+    write_setting_i(sesskey, "SerialParity", conf_get_int(conf, CONF_serparity));
+    write_setting_i(sesskey, "SerialFlowControl", conf_get_int(conf, CONF_serflow));
+    write_setting_s(sesskey, "WindowClass", conf_get_str(conf, CONF_winclass));
+    write_setting_b(sesskey, "ConnectionSharing", conf_get_bool(conf, CONF_ssh_connection_sharing));
+    write_setting_b(sesskey, "ConnectionSharingUpstream", conf_get_bool(conf, CONF_ssh_connection_sharing_upstream));
+    write_setting_b(sesskey, "ConnectionSharingDownstream", conf_get_bool(conf, CONF_ssh_connection_sharing_downstream));
+    wmap(sesskey, "SSHManualHostKeys", conf, CONF_ssh_manual_hostkeys, false);
+}
+
+bool load_settings(const char *section, Conf *conf)
+{
+    settings_r *sesskey;
+
+    sesskey = open_settings_r(section);
+    { // WINSCP
+    bool exists = (sesskey != NULL);
+    load_open_settings(sesskey, conf);
+    close_settings_r(sesskey);
+
+    if (exists && conf_launchable(conf))
+        add_session_to_jumplist(section);
+
+    return exists;
+    } // WINSCP
+}
+
+void load_open_settings(settings_r *sesskey, Conf *conf)
+{
+    int i;
+    char *prot;
+
+    conf_set_bool(conf, CONF_ssh_subsys, false); /* FIXME: load this properly */
+    conf_set_str(conf, CONF_remote_cmd, "");
+    conf_set_str(conf, CONF_remote_cmd2, "");
+    conf_set_str(conf, CONF_ssh_nc_host, "");
+
+    gpps(sesskey, "HostName", "", conf, CONF_host);
+    gppfile(sesskey, "LogFileName", conf, CONF_logfilename);
+    gppi(sesskey, "LogType", 0, conf, CONF_logtype);
+    gppi(sesskey, "LogFileClash", LGXF_ASK, conf, CONF_logxfovr);
+    gppb(sesskey, "LogFlush", true, conf, CONF_logflush);
+    gppb(sesskey, "LogHeader", true, conf, CONF_logheader);
+    gppb(sesskey, "SSHLogOmitPasswords", true, conf, CONF_logomitpass);
+    gppb(sesskey, "SSHLogOmitData", false, conf, CONF_logomitdata);
+
+    prot = gpps_raw(sesskey, "Protocol", "default");
+    conf_set_int(conf, CONF_protocol, default_protocol);
+    conf_set_int(conf, CONF_port, default_port);
+    {
+        const struct BackendVtable *vt = backend_vt_from_name(prot);
+        if (vt) {
+            conf_set_int(conf, CONF_protocol, vt->protocol);
+	    gppi(sesskey, "PortNumber", default_port, conf, CONF_port);
+	}
+    }
+    sfree(prot);
+
+    /* Address family selection */
+    gppi(sesskey, "AddressFamily", ADDRTYPE_UNSPEC, conf, CONF_addressfamily);
+
+    /* The CloseOnExit numbers are arranged in a different order from
+     * the standard FORCE_ON / FORCE_OFF / AUTO. */
+    i = gppi_raw(sesskey, "CloseOnExit", 1); conf_set_int(conf, CONF_close_on_exit, (i+1)%3);
+    gppb(sesskey, "WarnOnClose", true, conf, CONF_warn_on_close);
+    {
+	/* This is two values for backward compatibility with 0.50/0.51 */
+	int pingmin, pingsec;
+	pingmin = gppi_raw(sesskey, "PingInterval", 0);
+	pingsec = gppi_raw(sesskey, "PingIntervalSecs", 0);
+	conf_set_int(conf, CONF_ping_interval, pingmin * 60 + pingsec);
+    }
+    gppb(sesskey, "TCPNoDelay", true, conf, CONF_tcp_nodelay);
+    gppb(sesskey, "TCPKeepalives", false, conf, CONF_tcp_keepalives);
+    gpps(sesskey, "TerminalType", "xterm", conf, CONF_termtype);
+    gpps(sesskey, "TerminalSpeed", "38400,38400", conf, CONF_termspeed);
+    if (gppmap(sesskey, "TerminalModes", conf, CONF_ttymodes)) {
+	/*
+	 * Backwards compatibility with old saved settings.
+	 *
+	 * From the invention of this setting through 0.67, the set of
+	 * terminal modes was fixed, and absence of a mode from this
+	 * setting meant the user had explicitly removed it from the
+	 * UI and we shouldn't send it.
+	 *
+	 * In 0.68, the IUTF8 mode was added, and in handling old
+	 * settings we inadvertently removed the ability to not send
+	 * a mode. Any mode not mentioned was treated as if it was
+	 * set to 'auto' (A).
+	 *
+	 * After 0.68, we added explicit notation to the setting format
+	 * when the user removes a known terminal mode from the list.
+	 *
+	 * So: if any of the modes from the original set is missing, we
+	 * assume this was an intentional removal by the user and add
+	 * an explicit removal ('N'); but if IUTF8 (or any other mode
+	 * added after 0.67) is missing, we assume that its absence is
+	 * due to the setting being old rather than intentional, and
+	 * add it with its default setting.
+	 *
+	 * (This does mean that if a 0.68 user explicitly removed IUTF8,
+	 * we add it back; but removing IUTF8 had no effect in 0.68, so
+	 * we're preserving behaviour, which is the best we can do.)
+	 */
+	for (i = 0; ttymodes[i]; i++) {
+	    if (!conf_get_str_str_opt(conf, CONF_ttymodes, ttymodes[i])) {
+		/* Mode not mentioned in setting. */
+		const char *def;
+		if (!strcmp(ttymodes[i], "IUTF8")) {
+		    /* Any new modes we add in future should be treated
+		     * this way too. */
+		    def = "A";  /* same as new-setting default below */
+		} else {
+		    /* One of the original modes. Absence is probably
+		     * deliberate. */
+		    def = "N";  /* don't send */
+		}
+		conf_set_str_str(conf, CONF_ttymodes, ttymodes[i], def);
+	    }
+	}
+    } else {
+	/* This hardcodes a big set of defaults in any new saved
+	 * sessions. Let's hope we don't change our mind. */
+	for (i = 0; ttymodes[i]; i++)
+	    conf_set_str_str(conf, CONF_ttymodes, ttymodes[i], "A");
+    }
+
+    /* proxy settings */
+    gpps(sesskey, "ProxyExcludeList", "", conf, CONF_proxy_exclude_list);
+    i = gppi_raw(sesskey, "ProxyDNS", 1); conf_set_int(conf, CONF_proxy_dns, (i+1)%3);
+    gppb(sesskey, "ProxyLocalhost", false, conf, CONF_even_proxy_localhost);
+    gppi(sesskey, "ProxyMethod", -1, conf, CONF_proxy_type);
+    if (conf_get_int(conf, CONF_proxy_type) == -1) {
+        int i;
+        i = gppi_raw(sesskey, "ProxyType", 0);
+        if (i == 0)
+            conf_set_int(conf, CONF_proxy_type, PROXY_NONE);
+        else if (i == 1)
+            conf_set_int(conf, CONF_proxy_type, PROXY_HTTP);
+        else if (i == 3)
+            conf_set_int(conf, CONF_proxy_type, PROXY_TELNET);
+        else if (i == 4)
+            conf_set_int(conf, CONF_proxy_type, PROXY_CMD);
+        else {
+            i = gppi_raw(sesskey, "ProxySOCKSVersion", 5);
+            if (i == 5)
+                conf_set_int(conf, CONF_proxy_type, PROXY_SOCKS5);
+            else
+                conf_set_int(conf, CONF_proxy_type, PROXY_SOCKS4);
+        }
+    }
+    gpps(sesskey, "ProxyHost", "proxy", conf, CONF_proxy_host);
+    gppi(sesskey, "ProxyPort", 80, conf, CONF_proxy_port);
+    gpps(sesskey, "ProxyUsername", "", conf, CONF_proxy_username);
+    gpps(sesskey, "ProxyPassword", "", conf, CONF_proxy_password);
+    gpps(sesskey, "ProxyTelnetCommand", "connect %host %port\\n",
+	 conf, CONF_proxy_telnet_command);
+    gppi(sesskey, "ProxyLogToTerm", FORCE_OFF, conf, CONF_proxy_log_to_term);
+    gppmap(sesskey, "Environment", conf, CONF_environmt);
+    gpps(sesskey, "UserName", "", conf, CONF_username);
+    gppb(sesskey, "UserNameFromEnvironment", false,
+         conf, CONF_username_from_env);
+    gpps(sesskey, "LocalUserName", "", conf, CONF_localusername);
+    gppb(sesskey, "NoPTY", false, conf, CONF_nopty);
+    gppb(sesskey, "Compression", false, conf, CONF_compression);
+    gppb(sesskey, "TryAgent", true, conf, CONF_tryagent);
+    gppb(sesskey, "AgentFwd", false, conf, CONF_agentfwd);
+    gppb(sesskey, "ChangeUsername", false, conf, CONF_change_username);
+#ifndef NO_GSSAPI
+    gppb(sesskey, "GssapiFwd", false, conf, CONF_gssapifwd);
+#endif
+    gprefs(sesskey, "Cipher", "\0",
+	   ciphernames, CIPHER_MAX, conf, CONF_ssh_cipherlist);
+    {
+	/* Backward-compatibility: before 0.58 (when the "KEX"
+	 * preference was first added), we had 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. */
+	const char *default_kexes,
+		   *normal_default = "ecdh,dh-gex-sha1,dh-group14-sha1,rsa,"
+		       "WARN,dh-group1-sha1",
+		   *bugdhgex2_default = "ecdh,dh-group14-sha1,rsa,"
+		       "WARN,dh-group1-sha1,dh-gex-sha1";
+	char *raw;
+	i = 2 - gppi_raw(sesskey, "BugDHGEx2", 0);
+	if (i == FORCE_ON)
+            default_kexes = bugdhgex2_default;
+	else
+            default_kexes = normal_default;
+	/* Migration: after 0.67 we decided we didn't like
+	 * dh-group1-sha1. If it looks like the user never changed
+	 * the defaults, quietly upgrade their settings to demote it.
+	 * (If they did, they're on their own.) */
+	raw = gpps_raw(sesskey, "KEX", default_kexes);
+	assert(raw != NULL);
+	/* Lack of 'ecdh' tells us this was saved by 0.58-0.67
+	 * inclusive. If it was saved by a later version, we need
+	 * to leave it alone. */
+	if (strcmp(raw, "dh-group14-sha1,dh-group1-sha1,rsa,"
+		   "WARN,dh-gex-sha1") == 0) {
+	    /* Previously migrated from BugDHGEx2. */
+	    sfree(raw);
+	    raw = dupstr(bugdhgex2_default);
+	} else if (strcmp(raw, "dh-gex-sha1,dh-group14-sha1,"
+			  "dh-group1-sha1,rsa,WARN") == 0) {
+	    /* Untouched old default setting. */
+	    sfree(raw);
+	    raw = dupstr(normal_default);
+	}
+	/* (For the record: after 0.70, the default algorithm list
+	 * very briefly contained the string 'gss-sha1-krb5'; this was
+	 * never used in any committed version of code, but was left
+	 * over from a pre-commit version of GSS key exchange.
+	 * Mentioned here as it is remotely possible that it will turn
+	 * up in someone's saved settings in future.) */
+
+        gprefs_from_str(raw, kexnames, KEX_MAX, conf, CONF_ssh_kexlist);
+	sfree(raw);
+    }
+    gprefs(sesskey, "HostKey", "ed25519,ecdsa,rsa,dsa,WARN",
+           hknames, HK_MAX, conf, CONF_ssh_hklist);
+    gppi(sesskey, "RekeyTime", 60, conf, CONF_ssh_rekey_time);
+#ifndef NO_GSSAPI
+    gppi(sesskey, "GssapiRekey", GSS_DEF_REKEY_MINS, conf, CONF_gssapirekey);
+#endif
+    gpps(sesskey, "RekeyBytes", "1G", conf, CONF_ssh_rekey_data);
+    {
+	/* SSH-2 only by default */
+	int sshprot = gppi_raw(sesskey, "SshProt", 3);
+	/* Old sessions may contain the values corresponding to the fallbacks
+	 * we used to allow; migrate them */
+	if (sshprot == 1)      sshprot = 0; /* => "SSH-1 only" */
+	else if (sshprot == 2) sshprot = 3; /* => "SSH-2 only" */
+	conf_set_int(conf, CONF_sshprot, sshprot);
+    }
+    gpps(sesskey, "LogHost", "", conf, CONF_loghost);
+    gppb(sesskey, "SSH2DES", false, conf, CONF_ssh2_des_cbc);
+    gppb(sesskey, "SshNoAuth", false, conf, CONF_ssh_no_userauth);
+    gppb(sesskey, "SshBanner", true, conf, CONF_ssh_show_banner);
+    gppb(sesskey, "AuthTIS", false, conf, CONF_try_tis_auth);
+    gppb(sesskey, "AuthKI", true, conf, CONF_try_ki_auth);
+#ifndef NO_GSSAPI
+    gppb(sesskey, "AuthGSSAPI", true, conf, CONF_try_gssapi_auth);
+    gppb(sesskey, "AuthGSSAPIKEX", true, conf, CONF_try_gssapi_kex);
+    gprefs(sesskey, "GSSLibs", "\0",
+	   gsslibkeywords, ngsslibs, conf, CONF_ssh_gsslist);
+    gppfile(sesskey, "GSSCustom", conf, CONF_ssh_gss_custom);
+#endif
+    gppb(sesskey, "SshNoShell", false, conf, CONF_ssh_no_shell);
+    gppfile(sesskey, "PublicKeyFile", conf, CONF_keyfile);
+    gpps(sesskey, "RemoteCommand", "", conf, CONF_remote_cmd);
+    gppb(sesskey, "RFCEnviron", false, conf, CONF_rfc_environ);
+    gppb(sesskey, "PassiveTelnet", false, conf, CONF_passive_telnet);
+    gppb(sesskey, "BackspaceIsDelete", true, conf, CONF_bksp_is_delete);
+    gppb(sesskey, "RXVTHomeEnd", false, conf, CONF_rxvt_homeend);
+    gppi(sesskey, "LinuxFunctionKeys", 0, conf, CONF_funky_type);
+    gppb(sesskey, "NoApplicationKeys", false, conf, CONF_no_applic_k);
+    gppb(sesskey, "NoApplicationCursors", false, conf, CONF_no_applic_c);
+    gppb(sesskey, "NoMouseReporting", false, conf, CONF_no_mouse_rep);
+    gppb(sesskey, "NoRemoteResize", false, conf, CONF_no_remote_resize);
+    gppb(sesskey, "NoAltScreen", false, conf, CONF_no_alt_screen);
+    gppb(sesskey, "NoRemoteWinTitle", false, conf, CONF_no_remote_wintitle);
+    gppb(sesskey, "NoRemoteClearScroll", false,
+         conf, CONF_no_remote_clearscroll);
+    {
+	/* Backward compatibility */
+	int no_remote_qtitle = gppi_raw(sesskey, "NoRemoteQTitle", 1);
+	/* We deliberately interpret the old setting of "no response" as
+	 * "empty string". This changes the behaviour, but hopefully for
+	 * the better; the user can always recover the old behaviour. */
+	gppi(sesskey, "RemoteQTitleAction",
+	     no_remote_qtitle ? TITLE_EMPTY : TITLE_REAL,
+	     conf, CONF_remote_qtitle_action);
+    }
+    gppb(sesskey, "NoDBackspace", false, conf, CONF_no_dbackspace);
+    gppb(sesskey, "NoRemoteCharset", false, conf, CONF_no_remote_charset);
+    gppb(sesskey, "ApplicationCursorKeys", false, conf, CONF_app_cursor);
+    gppb(sesskey, "ApplicationKeypad", false, conf, CONF_app_keypad);
+    gppb(sesskey, "NetHackKeypad", false, conf, CONF_nethack_keypad);
+    gppb(sesskey, "AltF4", true, conf, CONF_alt_f4);
+    gppb(sesskey, "AltSpace", false, conf, CONF_alt_space);
+    gppb(sesskey, "AltOnly", false, conf, CONF_alt_only);
+    gppb(sesskey, "ComposeKey", false, conf, CONF_compose_key);
+    gppb(sesskey, "CtrlAltKeys", true, conf, CONF_ctrlaltkeys);
+#ifdef OSX_META_KEY_CONFIG
+    gppb(sesskey, "OSXOptionMeta", true, conf, CONF_osx_option_meta);
+    gppb(sesskey, "OSXCommandMeta", false, conf, CONF_osx_command_meta);
+#endif
+    gppb(sesskey, "TelnetKey", false, conf, CONF_telnet_keyboard);
+    gppb(sesskey, "TelnetRet", true, conf, CONF_telnet_newline);
+    gppi(sesskey, "LocalEcho", AUTO, conf, CONF_localecho);
+    gppi(sesskey, "LocalEdit", AUTO, conf, CONF_localedit);
+    gpps(sesskey, "Answerback", "PuTTY", conf, CONF_answerback);
+    gppb(sesskey, "AlwaysOnTop", false, conf, CONF_alwaysontop);
+    gppb(sesskey, "FullScreenOnAltEnter", false,
+         conf, CONF_fullscreenonaltenter);
+    gppb(sesskey, "HideMousePtr", false, conf, CONF_hide_mouseptr);
+    gppb(sesskey, "SunkenEdge", false, conf, CONF_sunken_edge);
+    gppi(sesskey, "WindowBorder", 1, conf, CONF_window_border);
+    gppi(sesskey, "CurType", 0, conf, CONF_cursor_type);
+    gppb(sesskey, "BlinkCur", false, conf, CONF_blink_cur);
+    /* pedantic compiler tells me I can't use conf, CONF_beep as an int * :-) */
+    gppi(sesskey, "Beep", 1, conf, CONF_beep);
+    gppi(sesskey, "BeepInd", 0, conf, CONF_beep_ind);
+    gppfile(sesskey, "BellWaveFile", conf, CONF_bell_wavefile);
+    gppb(sesskey, "BellOverload", true, conf, CONF_bellovl);
+    gppi(sesskey, "BellOverloadN", 5, conf, CONF_bellovl_n);
+    i = gppi_raw(sesskey, "BellOverloadT", 2*TICKSPERSEC
+#ifdef PUTTY_UNIX_H
+				   *1000
+#endif
+				   );
+    conf_set_int(conf, CONF_bellovl_t, i
+#ifdef PUTTY_UNIX_H
+		 / 1000
+#endif
+		 );
+    i = gppi_raw(sesskey, "BellOverloadS", 5*TICKSPERSEC
+#ifdef PUTTY_UNIX_H
+				   *1000
+#endif
+				   );
+    conf_set_int(conf, CONF_bellovl_s, i
+#ifdef PUTTY_UNIX_H
+		 / 1000
+#endif
+		 );
+    gppi(sesskey, "ScrollbackLines", 2000, conf, CONF_savelines);
+    gppb(sesskey, "DECOriginMode", false, conf, CONF_dec_om);
+    gppb(sesskey, "AutoWrapMode", true, conf, CONF_wrap_mode);
+    gppb(sesskey, "LFImpliesCR", false, conf, CONF_lfhascr);
+    gppb(sesskey, "CRImpliesLF", false, conf, CONF_crhaslf);
+    gppb(sesskey, "DisableArabicShaping", false, conf, CONF_no_arabicshaping);
+    gppb(sesskey, "DisableBidi", false, conf, CONF_no_bidi);
+    gppb(sesskey, "WinNameAlways", true, conf, CONF_win_name_always);
+    gpps(sesskey, "WinTitle", "", conf, CONF_wintitle);
+    gppi(sesskey, "TermWidth", 80, conf, CONF_width);
+    gppi(sesskey, "TermHeight", 24, conf, CONF_height);
+    gppfont(sesskey, "Font", conf, CONF_font);
+    gppi(sesskey, "FontQuality", FQ_DEFAULT, conf, CONF_font_quality);
+    gppi(sesskey, "FontVTMode", VT_UNICODE, conf, CONF_vtmode);
+    gppb(sesskey, "UseSystemColours", false, conf, CONF_system_colour);
+    gppb(sesskey, "TryPalette", false, conf, CONF_try_palette);
+    gppb(sesskey, "ANSIColour", true, conf, CONF_ansi_colour);
+    gppb(sesskey, "Xterm256Colour", true, conf, CONF_xterm_256_colour);
+    gppb(sesskey, "TrueColour", true, conf, CONF_true_colour);
+    i = gppi_raw(sesskey, "BoldAsColour", 1); conf_set_int(conf, CONF_bold_style, i+1);
+
+    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",
+	    "0,255,0", "0,0,0", "85,85,85", "187,0,0", "255,85,85",
+	    "0,187,0", "85,255,85", "187,187,0", "255,255,85", "0,0,187",
+	    "85,85,255", "187,0,187", "255,85,255", "0,187,187",
+	    "85,255,255", "187,187,187", "255,255,255"
+	};
+	char buf[20], *buf2;
+	int c0, c1, c2;
+	sprintf(buf, "Colour%d", i);
+	buf2 = gpps_raw(sesskey, buf, defaults[i]);
+	if (sscanf(buf2, "%d,%d,%d", &c0, &c1, &c2) == 3) {
+	    conf_set_int_int(conf, CONF_colours, i*3+0, c0);
+	    conf_set_int_int(conf, CONF_colours, i*3+1, c1);
+	    conf_set_int_int(conf, CONF_colours, i*3+2, c2);
+	}
+	sfree(buf2);
+    }
+    gppb(sesskey, "RawCNP", false, conf, CONF_rawcnp);
+    gppb(sesskey, "UTF8linedraw", false, conf, CONF_utf8linedraw);
+    gppb(sesskey, "PasteRTF", false, conf, CONF_rtf_paste);
+    gppi(sesskey, "MouseIsXterm", 0, conf, CONF_mouse_is_xterm);
+    gppb(sesskey, "RectSelect", false, conf, CONF_rect_select);
+    gppb(sesskey, "PasteControls", false, conf, CONF_paste_controls);
+    gppb(sesskey, "MouseOverride", true, conf, CONF_mouse_override);
+    for (i = 0; i < 256; i += 32) {
+	static const char *const defaults[] = {
+	    "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",
+	    "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",
+	    "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",
+	    "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",
+	    "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",
+	    "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",
+	    "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",
+	    "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"
+	};
+	char buf[20], *buf2, *p;
+	int j;
+	sprintf(buf, "Wordness%d", i);
+	buf2 = gpps_raw(sesskey, buf, defaults[i / 32]);
+	p = buf2;
+	for (j = i; j < i + 32; j++) {
+	    char *q = p;
+	    while (*p && *p != ',')
+		p++;
+	    if (*p == ',')
+		*p++ = '\0';
+	    conf_set_int_int(conf, CONF_wordness, j, atoi(q));
+	}
+	sfree(buf2);
+    }
+    gppb(sesskey, "MouseAutocopy", CLIPUI_DEFAULT_AUTOCOPY,
+         conf, CONF_mouseautocopy);
+    read_clip_setting(sesskey, "MousePaste", CLIPUI_DEFAULT_MOUSE,
+                      conf, CONF_mousepaste, CONF_mousepaste_custom);
+    read_clip_setting(sesskey, "CtrlShiftIns", CLIPUI_DEFAULT_INS,
+                      conf, CONF_ctrlshiftins, CONF_ctrlshiftins_custom);
+    read_clip_setting(sesskey, "CtrlShiftCV", CLIPUI_NONE,
+                      conf, CONF_ctrlshiftcv, CONF_ctrlshiftcv_custom);
+    /*
+     * The empty default for LineCodePage will be converted later
+     * into a plausible default for the locale.
+     */
+    gpps(sesskey, "LineCodePage", "", conf, CONF_line_codepage);
+    gppb(sesskey, "CJKAmbigWide", false, conf, CONF_cjk_ambig_wide);
+    gppb(sesskey, "UTF8Override", true, conf, CONF_utf8_override);
+    gpps(sesskey, "Printer", "", conf, CONF_printer);
+    gppb(sesskey, "CapsLockCyr", false, conf, CONF_xlat_capslockcyr);
+    gppb(sesskey, "ScrollBar", true, conf, CONF_scrollbar);
+    gppb(sesskey, "ScrollBarFullScreen", false,
+         conf, CONF_scrollbar_in_fullscreen);
+    gppb(sesskey, "ScrollOnKey", false, conf, CONF_scroll_on_key);
+    gppb(sesskey, "ScrollOnDisp", true, conf, CONF_scroll_on_disp);
+    gppb(sesskey, "EraseToScrollback", true, conf, CONF_erase_to_scrollback);
+    gppi(sesskey, "LockSize", 0, conf, CONF_resize_action);
+    gppb(sesskey, "BCE", true, conf, CONF_bce);
+    gppb(sesskey, "BlinkText", false, conf, CONF_blinktext);
+    gppb(sesskey, "X11Forward", false, conf, CONF_x11_forward);
+    gpps(sesskey, "X11Display", "", conf, CONF_x11_display);
+    gppi(sesskey, "X11AuthType", X11_MIT, conf, CONF_x11_auth);
+    gppfile(sesskey, "X11AuthFile", conf, CONF_xauthfile);
+
+    gppb(sesskey, "LocalPortAcceptAll", false, conf, CONF_lport_acceptall);
+    gppb(sesskey, "RemotePortAcceptAll", false, conf, CONF_rport_acceptall);
+    gppmap(sesskey, "PortForwardings", conf, CONF_portfwd);
+    i = gppi_raw(sesskey, "BugIgnore1", 0); conf_set_int(conf, CONF_sshbug_ignore1, 2-i);
+    i = gppi_raw(sesskey, "BugPlainPW1", 0); conf_set_int(conf, CONF_sshbug_plainpw1, 2-i);
+    i = gppi_raw(sesskey, "BugRSA1", 0); conf_set_int(conf, CONF_sshbug_rsa1, 2-i);
+    i = gppi_raw(sesskey, "BugIgnore2", 0); conf_set_int(conf, CONF_sshbug_ignore2, 2-i);
+    {
+	int i;
+	i = gppi_raw(sesskey, "BugHMAC2", 0); conf_set_int(conf, CONF_sshbug_hmac2, 2-i);
+	if (2-i == AUTO) {
+	    i = gppi_raw(sesskey, "BuggyMAC", 0);
+	    if (i == 1)
+		conf_set_int(conf, CONF_sshbug_hmac2, FORCE_ON);
+	}
+    }
+    i = gppi_raw(sesskey, "BugDeriveKey2", 0); conf_set_int(conf, CONF_sshbug_derivekey2, 2-i);
+    i = gppi_raw(sesskey, "BugRSAPad2", 0); conf_set_int(conf, CONF_sshbug_rsapad2, 2-i);
+    i = gppi_raw(sesskey, "BugPKSessID2", 0); conf_set_int(conf, CONF_sshbug_pksessid2, 2-i);
+    i = gppi_raw(sesskey, "BugRekey2", 0); conf_set_int(conf, CONF_sshbug_rekey2, 2-i);
+    i = gppi_raw(sesskey, "BugMaxPkt2", 0); conf_set_int(conf, CONF_sshbug_maxpkt2, 2-i);
+    i = gppi_raw(sesskey, "BugOldGex2", 0); conf_set_int(conf, CONF_sshbug_oldgex2, 2-i);
+    i = gppi_raw(sesskey, "BugWinadj", 0); conf_set_int(conf, CONF_sshbug_winadj, 2-i);
+    i = gppi_raw(sesskey, "BugChanReq", 0); conf_set_int(conf, CONF_sshbug_chanreq, 2-i);
+    conf_set_bool(conf, CONF_ssh_simple, false);
+    gppb(sesskey, "StampUtmp", true, conf, CONF_stamp_utmp);
+    gppb(sesskey, "LoginShell", true, conf, CONF_login_shell);
+    gppb(sesskey, "ScrollbarOnLeft", false, conf, CONF_scrollbar_on_left);
+    gppb(sesskey, "ShadowBold", false, conf, CONF_shadowbold);
+    gppfont(sesskey, "BoldFont", conf, CONF_boldfont);
+    gppfont(sesskey, "WideFont", conf, CONF_widefont);
+    gppfont(sesskey, "WideBoldFont", conf, CONF_wideboldfont);
+    gppi(sesskey, "ShadowBoldOffset", 1, conf, CONF_shadowboldoffset);
+    gpps(sesskey, "SerialLine", "", conf, CONF_serline);
+    gppi(sesskey, "SerialSpeed", 9600, conf, CONF_serspeed);
+    gppi(sesskey, "SerialDataBits", 8, conf, CONF_serdatabits);
+    gppi(sesskey, "SerialStopHalfbits", 2, conf, CONF_serstopbits);
+    gppi(sesskey, "SerialParity", SER_PAR_NONE, conf, CONF_serparity);
+    gppi(sesskey, "SerialFlowControl", SER_FLOW_XONXOFF, conf, CONF_serflow);
+    gpps(sesskey, "WindowClass", "", conf, CONF_winclass);
+    gppb(sesskey, "ConnectionSharing", false,
+         conf, CONF_ssh_connection_sharing);
+    gppb(sesskey, "ConnectionSharingUpstream", true,
+         conf, CONF_ssh_connection_sharing_upstream);
+    gppb(sesskey, "ConnectionSharingDownstream", true,
+         conf, CONF_ssh_connection_sharing_downstream);
+    gppmap(sesskey, "SSHManualHostKeys", conf, CONF_ssh_manual_hostkeys);
+}
+
+bool do_defaults(const char *session, Conf *conf)
+{
+    return load_settings(session, conf);
+}
+
+static int sessioncmp(const void *av, const void *bv)
+{
+    const char *a = *(const char *const *) av;
+    const char *b = *(const char *const *) bv;
+
+    /*
+     * Alphabetical order, except that "Default Settings" is a
+     * special case and comes first.
+     */
+    if (!strcmp(a, "Default Settings"))
+	return -1;		       /* a comes first */
+    if (!strcmp(b, "Default Settings"))
+	return +1;		       /* b comes first */
+    /*
+     * FIXME: perhaps we should ignore the first & in determining
+     * sort order.
+     */
+    return strcmp(a, b);	       /* otherwise, compare normally */
+}
+
+void get_sesslist(struct sesslist *list, bool allocate)
+{
+    int i;
+    char *p;
+    settings_e *handle;
+
+    if (allocate) {
+        strbuf *sb = strbuf_new();
+
+	if ((handle = enum_settings_start()) != NULL) {
+            while (enum_settings_next(handle, sb))
+                put_byte(sb, '\0');
+	    enum_settings_finish(handle);
+	}
+        put_byte(sb, '\0');
+	list->buffer = strbuf_to_str(sb);
+
+	/*
+	 * Now set up the list of sessions. Note that "Default
+	 * Settings" must always be claimed to exist, even if it
+	 * doesn't really.
+	 */
+
+	p = list->buffer;
+	list->nsessions = 1;	       /* "Default Settings" counts as one */
+	while (*p) {
+	    if (strcmp(p, "Default Settings"))
+		list->nsessions++;
+	    while (*p)
+		p++;
+	    p++;
+	}
+
+	list->sessions = snewn(list->nsessions + 1, const char *);
+	list->sessions[0] = "Default Settings";
+	p = list->buffer;
+	i = 1;
+	while (*p) {
+	    if (strcmp(p, "Default Settings"))
+		list->sessions[i++] = p;
+	    while (*p)
+		p++;
+	    p++;
+	}
+
+	qsort(list->sessions, i, sizeof(const char *), sessioncmp);
+    } else {
+	sfree(list->buffer);
+	sfree(list->sessions);
+	list->buffer = NULL;
+	list->sessions = NULL;
+    }
+}

source/putty/windows/windefs.c

@@ -0,0 +1,40 @@
+/*
+ * windefs.c: default settings that are specific to Windows.
+ */
+
+#include "putty.h"
+
+#include <commctrl.h>
+
+FontSpec *platform_default_fontspec(const char *name)
+{
+    if (!strcmp(name, "Font"))
+        return fontspec_new("Courier New", false, 10, ANSI_CHARSET);
+    else
+        return fontspec_new("", false, 0, 0);
+}
+
+Filename *platform_default_filename(const char *name)
+{
+    if (!strcmp(name, "LogFileName"))
+	return filename_from_str("putty.log");
+    else
+	return filename_from_str("");
+}
+
+char *platform_default_s(const char *name)
+{
+    if (!strcmp(name, "SerialLine"))
+	return dupstr("COM1");
+    return NULL;
+}
+
+bool platform_default_b(const char *name, bool def)
+{
+    return def;
+}
+
+int platform_default_i(const char *name, int def)
+{
+    return def;
+}