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settings.c
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settings.c
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/*
* 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 "ssh/gssc.h"
#include "ssh/gss.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 },
{ "aesgcm", CIPHER_AESGCM, CIPHER_CHACHA20, +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[] = {
{ "ntru-curve25519", KEX_NTRU_HYBRID, -1, +1 },
{ "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 },
/* Again, this covers both SHA-256 and SHA-1, despite the name: */
{ "dh-group14-sha1", KEX_DHGROUP14, -1, -1 },
/* This one really is only SHA-1, though: */
{ "dh-group1-sha1", KEX_DHGROUP1, KEX_WARN, +1 },
{ "rsa", KEX_RSA, KEX_WARN, -1 },
/* Larger fixed DH groups: prefer the larger 15 and 16 over 14,
* but by default the even larger 17 and 18 go below 16.
* Rationale: diminishing returns of improving the DH strength are
* outweighed by increased CPU cost. Group 18 is painful on a slow
* machine. Users can override if they need to. */
{ "dh-group15-sha512", KEX_DHGROUP15, KEX_DHGROUP14, -1 },
{ "dh-group16-sha512", KEX_DHGROUP16, KEX_DHGROUP15, -1 },
{ "dh-group17-sha512", KEX_DHGROUP17, KEX_DHGROUP16, +1 },
{ "dh-group18-sha512", KEX_DHGROUP18, KEX_DHGROUP17, +1 },
{ "WARN", KEX_WARN, -1, -1 }
};
static const struct keyvalwhere hknames[] = {
{ "ed25519", HK_ED25519, -1, +1 },
{ "ed448", HK_ED448, -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/ttymode-list.h, 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
};
static int default_protocol, default_port;
void settings_set_default_protocol(int newval) { default_protocol = newval; }
void settings_set_default_port(int newval) { default_port = newval; }
/*
* 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)->id, 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 *key, *realkey;
const char *val, *q;
strbuf *sb = strbuf_new();
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 (sb->len)
put_byte(sb, ',');
for (q = key; *q; q++) {
if (*q == '=' || *q == ',' || *q == '\\')
put_byte(sb, '\\');
put_byte(sb, *q);
}
if (include_values) {
put_byte(sb, '=');
for (q = val; *q; q++) {
if (*q == '=' || *q == ',' || *q == '\\')
put_byte(sb, '\\');
put_byte(sb, *q);
}
}
if (realkey) {
free(key);
key = realkey;
}
}
write_setting_s(sesskey, outkey, sb->s);
strbuf_free(sb);
}
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)
{
strbuf *sb = strbuf_new();
for (int i = 0; i < nvals; i++) {
const char *s = val2key(mapping, nvals,
conf_get_int_int(conf, primary, i));
if (s)
put_fmt(sb, "%s%s", (sb->len ? "," : ""), s);
}
write_setting_s(sesskey, name, sb->s);
strbuf_free(sb);
}
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));
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->id;
}
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_b(sesskey, "PreferKnownHostKeys", conf_get_bool(conf, CONF_ssh_prefer_known_hostkeys));
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, "SshNoTrivialAuth", conf_get_bool(conf, CONF_ssh_no_trivial_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_filename(sesskey, "DetachedCertificate", conf_get_filename(conf, CONF_detached_cert));
write_setting_s(sesskey, "AuthPlugin", conf_get_str(conf, CONF_auth_plugin));
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_i(sesskey, "ShiftedArrowKeys", conf_get_int(conf, CONF_sharrow_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_PLATFORM_H
* 1000
#endif
);
write_setting_i(sesskey, "BellOverloadS", conf_get_int(conf, CONF_bellovl_s)
#ifdef PUTTY_UNIX_PLATFORM_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_i(sesskey, "BugRSASHA2CertUserauth", 2-conf_get_int(conf, CONF_sshbug_rsa_sha2_cert_userauth));
write_setting_i(sesskey, "BugDropStart", 2-conf_get_int(conf, CONF_sshbug_dropstart));
write_setting_i(sesskey, "BugFilterKexinit", 2-conf_get_int(conf, CONF_sshbug_filter_kexinit));
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);
/*
* SUPDUP settings
*/
write_setting_s(sesskey, "SUPDUPLocation", conf_get_str(conf, CONF_supdup_location));
write_setting_i(sesskey, "SUPDUPCharset", conf_get_int(conf, CONF_supdup_ascii_set));
write_setting_b(sesskey, "SUPDUPMoreProcessing", conf_get_bool(conf, CONF_supdup_more));
write_setting_b(sesskey, "SUPDUPScrolling", conf_get_bool(conf, CONF_supdup_scroll));
}
bool load_settings(const char *section, Conf *conf)
{
settings_r *sesskey;
sesskey = open_settings_r(section);
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;
}
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-group18-sha512,dh-group17-sha512,dh-group16-sha512,dh-group15-sha512,dh-group14-sha1,rsa,"
"WARN,dh-group1-sha1",
*bugdhgex2_default = "ecdh,dh-group18-sha512,dh-group17-sha512,dh-group16-sha512,dh-group15-sha512,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);