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config.c
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config.c
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/*
* config.c - the platform-independent parts of the PuTTY
* configuration box.
*/
#include <assert.h>
#include <stdlib.h>
#include "putty.h"
#include "dialog.h"
#include "storage.h"
#include "tree234.h"
#define PRINTER_DISABLED_STRING "None (printing disabled)"
#define HOST_BOX_TITLE "Host Name (or IP address)"
#define PORT_BOX_TITLE "Port"
void conf_radiobutton_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
int button;
Conf *conf = (Conf *)data;
/*
* For a standard radio button set, the context parameter gives
* the primary key (CONF_foo), and the extra data per button
* gives the value the target field should take if that button
* is the one selected.
*/
if (event == EVENT_REFRESH) {
int val = conf_get_int(conf, ctrl->context.i);
for (button = 0; button < ctrl->radio.nbuttons; button++)
if (val == ctrl->radio.buttondata[button].i)
break;
/* We expected that `break' to happen, in all circumstances. */
assert(button < ctrl->radio.nbuttons);
dlg_radiobutton_set(ctrl, dlg, button);
} else if (event == EVENT_VALCHANGE) {
button = dlg_radiobutton_get(ctrl, dlg);
assert(button >= 0 && button < ctrl->radio.nbuttons);
conf_set_int(conf, ctrl->context.i,
ctrl->radio.buttondata[button].i);
}
}
void conf_radiobutton_bool_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
int button;
Conf *conf = (Conf *)data;
/*
* Same as conf_radiobutton_handler, but using conf_set_bool in
* place of conf_set_int, because it's dealing with a bool-typed
* config option.
*/
if (event == EVENT_REFRESH) {
int val = conf_get_bool(conf, ctrl->context.i);
for (button = 0; button < ctrl->radio.nbuttons; button++)
if (val == ctrl->radio.buttondata[button].i)
break;
/* We expected that `break' to happen, in all circumstances. */
assert(button < ctrl->radio.nbuttons);
dlg_radiobutton_set(ctrl, dlg, button);
} else if (event == EVENT_VALCHANGE) {
button = dlg_radiobutton_get(ctrl, dlg);
assert(button >= 0 && button < ctrl->radio.nbuttons);
conf_set_bool(conf, ctrl->context.i,
ctrl->radio.buttondata[button].i);
}
}
#define CHECKBOX_INVERT (1<<30)
void conf_checkbox_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
int key;
bool invert;
Conf *conf = (Conf *)data;
/*
* For a standard checkbox, the context parameter gives the
* primary key (CONF_foo), optionally ORed with CHECKBOX_INVERT.
*/
key = ctrl->context.i;
if (key & CHECKBOX_INVERT) {
key &= ~CHECKBOX_INVERT;
invert = true;
} else
invert = false;
/*
* C lacks a logical XOR, so the following code uses the idiom
* (!a ^ !b) to obtain the logical XOR of a and b. (That is, 1
* iff exactly one of a and b is nonzero, otherwise 0.)
*/
if (event == EVENT_REFRESH) {
bool val = conf_get_bool(conf, key);
dlg_checkbox_set(ctrl, dlg, (!val ^ !invert));
} else if (event == EVENT_VALCHANGE) {
conf_set_bool(conf, key, !dlg_checkbox_get(ctrl,dlg) ^ !invert);
}
}
const struct conf_editbox_handler_type conf_editbox_str = {.type = EDIT_STR};
const struct conf_editbox_handler_type conf_editbox_int = {.type = EDIT_INT};
void conf_editbox_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
/*
* The standard edit-box handler expects the main `context' field
* to contain the primary key. The secondary `context2' field is a
* pointer to the struct conf_editbox_handler_type defined in
* putty.h.
*/
int key = ctrl->context.i;
const struct conf_editbox_handler_type *type = ctrl->context2.cp;
Conf *conf = (Conf *)data;
if (type->type == EDIT_STR) {
if (event == EVENT_REFRESH) {
char *field = conf_get_str(conf, key);
dlg_editbox_set(ctrl, dlg, field);
} else if (event == EVENT_VALCHANGE) {
char *field = dlg_editbox_get(ctrl, dlg);
conf_set_str(conf, key, field);
sfree(field);
}
} else {
if (event == EVENT_REFRESH) {
char str[80];
int value = conf_get_int(conf, key);
if (type->type == EDIT_INT)
sprintf(str, "%d", value);
else
sprintf(str, "%g", (double)value / type->denominator);
dlg_editbox_set(ctrl, dlg, str);
} else if (event == EVENT_VALCHANGE) {
char *str = dlg_editbox_get(ctrl, dlg);
if (type->type == EDIT_INT)
conf_set_int(conf, key, atoi(str));
else
conf_set_int(conf, key, (int)(type->denominator * atof(str)));
sfree(str);
}
}
}
void conf_filesel_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
int key = ctrl->context.i;
Conf *conf = (Conf *)data;
if (event == EVENT_REFRESH) {
dlg_filesel_set(
ctrl, dlg, conf_get_filename(conf, key));
} else if (event == EVENT_VALCHANGE) {
Filename *filename = dlg_filesel_get(ctrl, dlg);
conf_set_filename(conf, key, filename);
filename_free(filename);
}
}
void conf_fontsel_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
int key = ctrl->context.i;
Conf *conf = (Conf *)data;
if (event == EVENT_REFRESH) {
dlg_fontsel_set(
ctrl, dlg, conf_get_fontspec(conf, key));
} else if (event == EVENT_VALCHANGE) {
FontSpec *fontspec = dlg_fontsel_get(ctrl, dlg);
conf_set_fontspec(conf, key, fontspec);
fontspec_free(fontspec);
}
}
static void config_host_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
Conf *conf = (Conf *)data;
/*
* This function works just like the standard edit box handler,
* only it has to choose the control's label and text from two
* different places depending on the protocol.
*/
if (event == EVENT_REFRESH) {
if (conf_get_int(conf, CONF_protocol) == PROT_SERIAL) {
/*
* This label text is carefully chosen to contain an n,
* since that's the shortcut for the host name control.
*/
dlg_label_change(ctrl, dlg, "Serial line");
dlg_editbox_set(ctrl, dlg, conf_get_str(conf, CONF_serline));
} else {
dlg_label_change(ctrl, dlg, HOST_BOX_TITLE);
dlg_editbox_set(ctrl, dlg, conf_get_str(conf, CONF_host));
}
} else if (event == EVENT_VALCHANGE) {
char *s = dlg_editbox_get(ctrl, dlg);
if (conf_get_int(conf, CONF_protocol) == PROT_SERIAL)
conf_set_str(conf, CONF_serline, s);
else
conf_set_str(conf, CONF_host, s);
sfree(s);
}
}
static void config_port_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
Conf *conf = (Conf *)data;
char buf[80];
/*
* This function works similarly to the standard edit box handler,
* only it has to choose the control's label and text from two
* different places depending on the protocol.
*/
if (event == EVENT_REFRESH) {
if (conf_get_int(conf, CONF_protocol) == PROT_SERIAL) {
/*
* This label text is carefully chosen to contain a p,
* since that's the shortcut for the port control.
*/
dlg_label_change(ctrl, dlg, "Speed");
sprintf(buf, "%d", conf_get_int(conf, CONF_serspeed));
} else {
dlg_label_change(ctrl, dlg, PORT_BOX_TITLE);
if (conf_get_int(conf, CONF_port) != 0)
sprintf(buf, "%d", conf_get_int(conf, CONF_port));
else
/* Display an (invalid) port of 0 as blank */
buf[0] = '\0';
}
dlg_editbox_set(ctrl, dlg, buf);
} else if (event == EVENT_VALCHANGE) {
char *s = dlg_editbox_get(ctrl, dlg);
int i = atoi(s);
sfree(s);
if (conf_get_int(conf, CONF_protocol) == PROT_SERIAL)
conf_set_int(conf, CONF_serspeed, i);
else
conf_set_int(conf, CONF_port, i);
}
}
struct hostport {
dlgcontrol *host, *port, *protradio, *protlist;
bool mid_refresh;
};
/*
* Shared handler for protocol radio-button and drop-list controls.
* Handles the interaction of those two controls, and also changes
* the setting of the port box to match the protocol if necessary,
* and refreshes both host and port boxes when switching to/from the
* serial backend.
*/
static void config_protocols_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
Conf *conf = (Conf *)data;
int curproto = conf_get_int(conf, CONF_protocol);
struct hostport *hp = (struct hostport *)ctrl->context.p;
if (event == EVENT_REFRESH) {
/*
* Refresh the states of the controls from Conf.
*
* When refreshing these controls, we have to watch out for
* re-entrancy: because there are two controls involved, the
* refresh is not atomic, so the VALCHANGE and/or SELCHANGE
* callbacks resulting from our updates here might cause other
* settings here to change unwantedly. (E.g. setting the list
* selection shouldn't trigger the SELCHANGE side effect of
* selecting the Other radio button; setting the radio button
* to Other here shouldn't have the side effect of selecting
* whatever protocol is _currently_ selected in the list box,
* if we haven't selected the right one yet.)
*/
hp->mid_refresh = true;
if (ctrl == hp->protradio) {
/* Available buttons were set up when control was created.
* Just select one of them, possibly. */
for (int button = 0; button < ctrl->radio.nbuttons; button++)
/* The final button is "Other:". If we reach that one, the
* current protocol must be in the drop list, so we should
* select the "Other:" button. */
if (curproto == ctrl->radio.buttondata[button].i ||
button == ctrl->radio.nbuttons-1) {
dlg_radiobutton_set(ctrl, dlg, button);
break;
}
} else if (ctrl == hp->protlist) {
int curentry = -1;
dlg_update_start(ctrl, dlg);
dlg_listbox_clear(ctrl, dlg);
assert(n_ui_backends > 0 && n_ui_backends < PROTOCOL_LIMIT);
for (size_t i = n_ui_backends;
i < PROTOCOL_LIMIT && backends[i]; i++) {
dlg_listbox_addwithid(ctrl, dlg,
backends[i]->displayname_tc,
backends[i]->protocol);
if (backends[i]->protocol == curproto)
curentry = i - n_ui_backends;
}
if (curentry > 0) {
/*
* The currently configured protocol is one of the
* list-box ones, so select it in protlist.
*
* (The corresponding refresh event for protradio
* should have selected the "Other:" radio button, to
* keep things consistent.)
*/
dlg_listbox_select(ctrl, dlg, curentry);
} else {
/*
* If the currently configured protocol is one of the
* radio buttons, we must still ensure *something* is
* selected in the list box. The sensible default is
* the first list element, which be_*.c ought to have
* arranged to be the 'runner-up' in protocol
* popularity out of the ones relegated to the list
* box.
*
* We don't make much effort to retain the state of
* the list box when it doesn't correspond to an
* actual protocol. So it's easy for this case to be
* reached as a side effect of other actions, e.g.
* loading a saved session that has a radio-button
* protocol configured.
*/
dlg_listbox_select(ctrl, dlg, 0);
}
dlg_update_done(ctrl, dlg);
}
hp->mid_refresh = false;
} else if (!hp->mid_refresh) {
/*
* Potentially update Conf from the states of the controls.
*/
int newproto = curproto;
if (event == EVENT_VALCHANGE && ctrl == hp->protradio) {
int button = dlg_radiobutton_get(ctrl, dlg);
assert(button >= 0 && button < ctrl->radio.nbuttons);
if (ctrl->radio.buttondata[button].i == -1) {
/*
* The 'Other' radio button was selected, which means we
* have to set CONF_protocol based on the currently
* selected list box entry.
*
* (We conditionalise this on there _being_ a selected
* list box entry. I hope the case where nothing is
* selected can't actually come up except during
* initialisation, and I also hope that hp->mid_session
* will prevent that case from getting here. But as a
* last-ditch fallback, this if statement should at least
* guarantee that we don't pass a nonsense value to
* dlg_listbox_getid.)
*/
int i = dlg_listbox_index(hp->protlist, dlg);
if (i >= 0)
newproto = dlg_listbox_getid(hp->protlist, dlg, i);
} else {
newproto = ctrl->radio.buttondata[button].i;
}
} else if (event == EVENT_SELCHANGE && ctrl == hp->protlist) {
int i = dlg_listbox_index(ctrl, dlg);
if (i >= 0) {
newproto = dlg_listbox_getid(ctrl, dlg, i);
/* Select the "Other" radio button, too */
dlg_radiobutton_set(hp->protradio, dlg,
hp->protradio->radio.nbuttons-1);
}
}
if (newproto != curproto) {
conf_set_int(conf, CONF_protocol, newproto);
const struct BackendVtable *cvt = backend_vt_from_proto(curproto);
const struct BackendVtable *nvt = backend_vt_from_proto(newproto);
assert(cvt);
assert(nvt);
/*
* Iff the user hasn't changed the port from the old
* protocol's default, update it with the new protocol's
* default.
*
* (This includes a "default" of 0, implying that there is
* no sensible default for that protocol; in this case
* it's displayed as a blank.)
*
* This helps with the common case of tabbing through the
* controls in order and setting a non-default port before
* getting to the protocol; we want that non-default port
* to be preserved.
*/
int port = conf_get_int(conf, CONF_port);
if (port == cvt->default_port)
conf_set_int(conf, CONF_port, nvt->default_port);
dlg_refresh(hp->host, dlg);
dlg_refresh(hp->port, dlg);
}
}
}
static void loggingbuttons_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
int button;
Conf *conf = (Conf *)data;
/* This function works just like the standard radio-button handler,
* but it has to fall back to "no logging" in situations where the
* configured logging type isn't applicable.
*/
if (event == EVENT_REFRESH) {
int logtype = conf_get_int(conf, CONF_logtype);
for (button = 0; button < ctrl->radio.nbuttons; button++)
if (logtype == ctrl->radio.buttondata[button].i)
break;
/* We fell off the end, so we lack the configured logging type */
if (button == ctrl->radio.nbuttons) {
button = 0;
conf_set_int(conf, CONF_logtype, LGTYP_NONE);
}
dlg_radiobutton_set(ctrl, dlg, button);
} else if (event == EVENT_VALCHANGE) {
button = dlg_radiobutton_get(ctrl, dlg);
assert(button >= 0 && button < ctrl->radio.nbuttons);
conf_set_int(conf, CONF_logtype, ctrl->radio.buttondata[button].i);
}
}
static void numeric_keypad_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
int button;
Conf *conf = (Conf *)data;
/*
* This function works much like the standard radio button
* handler, but it has to handle two fields in Conf.
*/
if (event == EVENT_REFRESH) {
if (conf_get_bool(conf, CONF_nethack_keypad))
button = 2;
else if (conf_get_bool(conf, CONF_app_keypad))
button = 1;
else
button = 0;
assert(button < ctrl->radio.nbuttons);
dlg_radiobutton_set(ctrl, dlg, button);
} else if (event == EVENT_VALCHANGE) {
button = dlg_radiobutton_get(ctrl, dlg);
assert(button >= 0 && button < ctrl->radio.nbuttons);
if (button == 2) {
conf_set_bool(conf, CONF_app_keypad, false);
conf_set_bool(conf, CONF_nethack_keypad, true);
} else {
conf_set_bool(conf, CONF_app_keypad, (button != 0));
conf_set_bool(conf, CONF_nethack_keypad, false);
}
}
}
static void cipherlist_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
Conf *conf = (Conf *)data;
if (event == EVENT_REFRESH) {
int i;
static const struct { const char *s; int c; } ciphers[] = {
{ "ChaCha20 (SSH-2 only)", CIPHER_CHACHA20 },
{ "AES-GCM (SSH-2 only)", CIPHER_AESGCM },
{ "3DES", CIPHER_3DES },
{ "Blowfish", CIPHER_BLOWFISH },
{ "DES", CIPHER_DES },
{ "AES (SSH-2 only)", CIPHER_AES },
{ "Arcfour (SSH-2 only)", CIPHER_ARCFOUR },
{ "-- warn below here --", CIPHER_WARN }
};
/* Set up the "selected ciphers" box. */
/* (cipherlist assumed to contain all ciphers) */
dlg_update_start(ctrl, dlg);
dlg_listbox_clear(ctrl, dlg);
for (i = 0; i < CIPHER_MAX; i++) {
int c = conf_get_int_int(conf, CONF_ssh_cipherlist, i);
int j;
const char *cstr = NULL;
for (j = 0; j < (sizeof ciphers) / (sizeof ciphers[0]); j++) {
if (ciphers[j].c == c) {
cstr = ciphers[j].s;
break;
}
}
dlg_listbox_addwithid(ctrl, dlg, cstr, c);
}
dlg_update_done(ctrl, dlg);
} else if (event == EVENT_VALCHANGE) {
int i;
/* Update array to match the list box. */
for (i=0; i < CIPHER_MAX; i++)
conf_set_int_int(conf, CONF_ssh_cipherlist, i,
dlg_listbox_getid(ctrl, dlg, i));
}
}
#ifndef NO_GSSAPI
static void gsslist_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
Conf *conf = (Conf *)data;
if (event == EVENT_REFRESH) {
int i;
dlg_update_start(ctrl, dlg);
dlg_listbox_clear(ctrl, dlg);
for (i = 0; i < ngsslibs; i++) {
int id = conf_get_int_int(conf, CONF_ssh_gsslist, i);
assert(id >= 0 && id < ngsslibs);
dlg_listbox_addwithid(ctrl, dlg, gsslibnames[id], id);
}
dlg_update_done(ctrl, dlg);
} else if (event == EVENT_VALCHANGE) {
int i;
/* Update array to match the list box. */
for (i=0; i < ngsslibs; i++)
conf_set_int_int(conf, CONF_ssh_gsslist, i,
dlg_listbox_getid(ctrl, dlg, i));
}
}
#endif
static void kexlist_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
Conf *conf = (Conf *)data;
if (event == EVENT_REFRESH) {
int i;
static const struct { const char *s; int k; } kexes[] = {
{ "Diffie-Hellman group 1 (1024-bit)", KEX_DHGROUP1 },
{ "Diffie-Hellman group 14 (2048-bit)", KEX_DHGROUP14 },
{ "Diffie-Hellman group 15 (3072-bit)", KEX_DHGROUP15 },
{ "Diffie-Hellman group 16 (4096-bit)", KEX_DHGROUP16 },
{ "Diffie-Hellman group 17 (6144-bit)", KEX_DHGROUP17 },
{ "Diffie-Hellman group 18 (8192-bit)", KEX_DHGROUP18 },
{ "Diffie-Hellman group exchange", KEX_DHGEX },
{ "RSA-based key exchange", KEX_RSA },
{ "ECDH key exchange", KEX_ECDH },
{ "NTRU Prime / Curve25519 hybrid kex", KEX_NTRU_HYBRID },
{ "-- warn below here --", KEX_WARN }
};
/* Set up the "kex preference" box. */
/* (kexlist assumed to contain all algorithms) */
dlg_update_start(ctrl, dlg);
dlg_listbox_clear(ctrl, dlg);
for (i = 0; i < KEX_MAX; i++) {
int k = conf_get_int_int(conf, CONF_ssh_kexlist, i);
int j;
const char *kstr = NULL;
for (j = 0; j < (sizeof kexes) / (sizeof kexes[0]); j++) {
if (kexes[j].k == k) {
kstr = kexes[j].s;
break;
}
}
dlg_listbox_addwithid(ctrl, dlg, kstr, k);
}
dlg_update_done(ctrl, dlg);
} else if (event == EVENT_VALCHANGE) {
int i;
/* Update array to match the list box. */
for (i=0; i < KEX_MAX; i++)
conf_set_int_int(conf, CONF_ssh_kexlist, i,
dlg_listbox_getid(ctrl, dlg, i));
}
}
static void hklist_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
Conf *conf = (Conf *)data;
if (event == EVENT_REFRESH) {
int i;
static const struct { const char *s; int k; } hks[] = {
{ "Ed25519", HK_ED25519 },
{ "Ed448", HK_ED448 },
{ "ECDSA", HK_ECDSA },
{ "DSA", HK_DSA },
{ "RSA", HK_RSA },
{ "-- warn below here --", HK_WARN }
};
/* Set up the "host key preference" box. */
/* (hklist assumed to contain all algorithms) */
dlg_update_start(ctrl, dlg);
dlg_listbox_clear(ctrl, dlg);
for (i = 0; i < HK_MAX; i++) {
int k = conf_get_int_int(conf, CONF_ssh_hklist, i);
int j;
const char *kstr = NULL;
for (j = 0; j < lenof(hks); j++) {
if (hks[j].k == k) {
kstr = hks[j].s;
break;
}
}
dlg_listbox_addwithid(ctrl, dlg, kstr, k);
}
dlg_update_done(ctrl, dlg);
} else if (event == EVENT_VALCHANGE) {
int i;
/* Update array to match the list box. */
for (i=0; i < HK_MAX; i++)
conf_set_int_int(conf, CONF_ssh_hklist, i,
dlg_listbox_getid(ctrl, dlg, i));
}
}
static void printerbox_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
Conf *conf = (Conf *)data;
if (event == EVENT_REFRESH) {
int nprinters, i;
printer_enum *pe;
const char *printer;
dlg_update_start(ctrl, dlg);
/*
* Some backends may wish to disable the drop-down list on
* this edit box. Be prepared for this.
*/
if (ctrl->editbox.has_list) {
dlg_listbox_clear(ctrl, dlg);
dlg_listbox_add(ctrl, dlg, PRINTER_DISABLED_STRING);
pe = printer_start_enum(&nprinters);
for (i = 0; i < nprinters; i++)
dlg_listbox_add(ctrl, dlg, printer_get_name(pe, i));
printer_finish_enum(pe);
}
printer = conf_get_str(conf, CONF_printer);
if (!printer)
printer = PRINTER_DISABLED_STRING;
dlg_editbox_set(ctrl, dlg, printer);
dlg_update_done(ctrl, dlg);
} else if (event == EVENT_VALCHANGE) {
char *printer = dlg_editbox_get(ctrl, dlg);
if (!strcmp(printer, PRINTER_DISABLED_STRING))
printer[0] = '\0';
conf_set_str(conf, CONF_printer, printer);
sfree(printer);
}
}
static void codepage_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
Conf *conf = (Conf *)data;
if (event == EVENT_REFRESH) {
int i;
const char *cp, *thiscp;
dlg_update_start(ctrl, dlg);
thiscp = cp_name(decode_codepage(conf_get_str(conf,
CONF_line_codepage)));
dlg_listbox_clear(ctrl, dlg);
for (i = 0; (cp = cp_enumerate(i)) != NULL; i++)
dlg_listbox_add(ctrl, dlg, cp);
dlg_editbox_set(ctrl, dlg, thiscp);
conf_set_str(conf, CONF_line_codepage, thiscp);
dlg_update_done(ctrl, dlg);
} else if (event == EVENT_VALCHANGE) {
char *codepage = dlg_editbox_get(ctrl, dlg);
conf_set_str(conf, CONF_line_codepage,
cp_name(decode_codepage(codepage)));
sfree(codepage);
}
}
static void sshbug_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
Conf *conf = (Conf *)data;
if (event == EVENT_REFRESH) {
/*
* We must fetch the previously configured value from the Conf
* before we start modifying the drop-down list, otherwise the
* spurious SELCHANGE we trigger in the process will overwrite
* the value we wanted to keep.
*/
int oldconf = conf_get_int(conf, ctrl->context.i);
dlg_update_start(ctrl, dlg);
dlg_listbox_clear(ctrl, dlg);
dlg_listbox_addwithid(ctrl, dlg, "Auto", AUTO);
dlg_listbox_addwithid(ctrl, dlg, "Off", FORCE_OFF);
dlg_listbox_addwithid(ctrl, dlg, "On", FORCE_ON);
switch (oldconf) {
case AUTO: dlg_listbox_select(ctrl, dlg, 0); break;
case FORCE_OFF: dlg_listbox_select(ctrl, dlg, 1); break;
case FORCE_ON: dlg_listbox_select(ctrl, dlg, 2); break;
}
dlg_update_done(ctrl, dlg);
} else if (event == EVENT_SELCHANGE) {
int i = dlg_listbox_index(ctrl, dlg);
if (i < 0)
i = AUTO;
else
i = dlg_listbox_getid(ctrl, dlg, i);
conf_set_int(conf, ctrl->context.i, i);
}
}
static void sshbug_handler_manual_only(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
/*
* This is just like sshbug_handler, except that there's no 'Auto'
* option. Used for bug workaround flags that can't be
* autodetected, and have to be manually enabled if they're to be
* used at all.
*/
Conf *conf = (Conf *)data;
if (event == EVENT_REFRESH) {
int oldconf = conf_get_int(conf, ctrl->context.i);
dlg_update_start(ctrl, dlg);
dlg_listbox_clear(ctrl, dlg);
dlg_listbox_addwithid(ctrl, dlg, "Off", FORCE_OFF);
dlg_listbox_addwithid(ctrl, dlg, "On", FORCE_ON);
switch (oldconf) {
case FORCE_OFF: dlg_listbox_select(ctrl, dlg, 0); break;
case FORCE_ON: dlg_listbox_select(ctrl, dlg, 1); break;
}
dlg_update_done(ctrl, dlg);
} else if (event == EVENT_SELCHANGE) {
int i = dlg_listbox_index(ctrl, dlg);
if (i < 0)
i = FORCE_OFF;
else
i = dlg_listbox_getid(ctrl, dlg, i);
conf_set_int(conf, ctrl->context.i, i);
}
}
struct sessionsaver_data {
dlgcontrol *editbox, *listbox, *loadbutton, *savebutton, *delbutton;
dlgcontrol *okbutton, *cancelbutton;
struct sesslist sesslist;
bool midsession;
char *savedsession; /* the current contents of ssd->editbox */
};
static void sessionsaver_data_free(void *ssdv)
{
struct sessionsaver_data *ssd = (struct sessionsaver_data *)ssdv;
get_sesslist(&ssd->sesslist, false);
sfree(ssd->savedsession);
sfree(ssd);
}
/*
* Helper function to load the session selected in the list box, if
* any, as this is done in more than one place below. Returns 0 for
* failure.
*/
static bool load_selected_session(
struct sessionsaver_data *ssd,
dlgparam *dlg, Conf *conf, bool *maybe_launch)
{
int i = dlg_listbox_index(ssd->listbox, dlg);
bool isdef;
if (i < 0) {
dlg_beep(dlg);
return false;
}
isdef = !strcmp(ssd->sesslist.sessions[i], "Default Settings");
load_settings(ssd->sesslist.sessions[i], conf);
sfree(ssd->savedsession);
ssd->savedsession = dupstr(isdef ? "" : ssd->sesslist.sessions[i]);
if (maybe_launch)
*maybe_launch = !isdef;
dlg_refresh(NULL, dlg);
/* Restore the selection, which might have been clobbered by
* changing the value of the edit box. */
dlg_listbox_select(ssd->listbox, dlg, i);
return true;
}
static void sessionsaver_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
Conf *conf = (Conf *)data;
struct sessionsaver_data *ssd =
(struct sessionsaver_data *)ctrl->context.p;
if (event == EVENT_REFRESH) {
if (ctrl == ssd->editbox) {
dlg_editbox_set(ctrl, dlg, ssd->savedsession);
} else if (ctrl == ssd->listbox) {
int i;
dlg_update_start(ctrl, dlg);
dlg_listbox_clear(ctrl, dlg);
for (i = 0; i < ssd->sesslist.nsessions; i++)
dlg_listbox_add(ctrl, dlg, ssd->sesslist.sessions[i]);
dlg_update_done(ctrl, dlg);
}
} else if (event == EVENT_VALCHANGE) {
int top, bottom, halfway, i;
if (ctrl == ssd->editbox) {
sfree(ssd->savedsession);
ssd->savedsession = dlg_editbox_get(ctrl, dlg);
top = ssd->sesslist.nsessions;
bottom = -1;
while (top-bottom > 1) {
halfway = (top+bottom)/2;
i = strcmp(ssd->savedsession, ssd->sesslist.sessions[halfway]);
if (i <= 0 ) {
top = halfway;
} else {
bottom = halfway;
}
}
if (top == ssd->sesslist.nsessions) {
top -= 1;
}
dlg_listbox_select(ssd->listbox, dlg, top);
}
} else if (event == EVENT_ACTION) {
bool mbl = false;
if (!ssd->midsession &&
(ctrl == ssd->listbox ||
(ssd->loadbutton && ctrl == ssd->loadbutton))) {
/*
* The user has double-clicked a session, or hit Load.
* We must load the selected session, and then
* terminate the configuration dialog _if_ there was a
* double-click on the list box _and_ that session
* contains a hostname.
*/
if (load_selected_session(ssd, dlg, conf, &mbl) &&
(mbl && ctrl == ssd->listbox && conf_launchable(conf))) {
dlg_end(dlg, 1); /* it's all over, and succeeded */
}
} else if (ctrl == ssd->savebutton) {
bool isdef = !strcmp(ssd->savedsession, "Default Settings");
if (!ssd->savedsession[0]) {
int i = dlg_listbox_index(ssd->listbox, dlg);
if (i < 0) {
dlg_beep(dlg);
return;
}
isdef = !strcmp(ssd->sesslist.sessions[i], "Default Settings");
sfree(ssd->savedsession);
ssd->savedsession = dupstr(isdef ? "" :
ssd->sesslist.sessions[i]);
}
{
char *errmsg = save_settings(ssd->savedsession, conf);
if (errmsg) {
dlg_error_msg(dlg, errmsg);
sfree(errmsg);
}
}
get_sesslist(&ssd->sesslist, false);
get_sesslist(&ssd->sesslist, true);
dlg_refresh(ssd->editbox, dlg);
dlg_refresh(ssd->listbox, dlg);
} else if (!ssd->midsession &&
ssd->delbutton && ctrl == ssd->delbutton) {
int i = dlg_listbox_index(ssd->listbox, dlg);
if (i <= 0) {
dlg_beep(dlg);
} else {
del_settings(ssd->sesslist.sessions[i]);
get_sesslist(&ssd->sesslist, false);
get_sesslist(&ssd->sesslist, true);
dlg_refresh(ssd->listbox, dlg);
}
} else if (ctrl == ssd->okbutton) {
if (ssd->midsession) {
/* In a mid-session Change Settings, Apply is always OK. */
dlg_end(dlg, 1);
return;
}
/*
* Annoying special case. If the `Open' button is
* pressed while no host name is currently set, _and_
* the session list previously had the focus, _and_
* there was a session selected in that which had a
* valid host name in it, then load it and go.
*/
if (dlg_last_focused(ctrl, dlg) == ssd->listbox &&
!conf_launchable(conf) && dlg_is_visible(ssd->listbox, dlg)) {
Conf *conf2 = conf_new();
bool mbl = false;
if (!load_selected_session(ssd, dlg, conf2, &mbl)) {
dlg_beep(dlg);
conf_free(conf2);
return;
}
/* If at this point we have a valid session, go! */
if (mbl && conf_launchable(conf2)) {
conf_copy_into(conf, conf2);
dlg_end(dlg, 1);
} else
dlg_beep(dlg);
conf_free(conf2);
return;
}
/*
* Otherwise, do the normal thing: if we have a valid
* session, get going.
*/
if (conf_launchable(conf)) {
dlg_end(dlg, 1);
} else
dlg_beep(dlg);
} else if (ctrl == ssd->cancelbutton) {
dlg_end(dlg, 0);
}
}
}
struct charclass_data {
dlgcontrol *listbox, *editbox, *button;
};
static void charclass_handler(dlgcontrol *ctrl, dlgparam *dlg,
void *data, int event)
{
Conf *conf = (Conf *)data;
struct charclass_data *ccd =
(struct charclass_data *)ctrl->context.p;
if (event == EVENT_REFRESH) {
if (ctrl == ccd->listbox) {
int i;
dlg_update_start(ctrl, dlg);
dlg_listbox_clear(ctrl, dlg);
for (i = 0; i < 128; i++) {
char str[100];
sprintf(str, "%d\t(0x%02X)\t%c\t%d", i, i,
(i >= 0x21 && i != 0x7F) ? i : ' ',
conf_get_int_int(conf, CONF_wordness, i));
dlg_listbox_add(ctrl, dlg, str);
}
dlg_update_done(ctrl, dlg);
}
} else if (event == EVENT_ACTION) {
if (ctrl == ccd->button) {
char *str;
int i, n;
str = dlg_editbox_get(ccd->editbox, dlg);
n = atoi(str);
sfree(str);
for (i = 0; i < 128; i++) {
if (dlg_listbox_issel(ccd->listbox, dlg, i))
conf_set_int_int(conf, CONF_wordness, i, n);
}
dlg_refresh(ccd->listbox, dlg);
}
}
}
struct colour_data {
dlgcontrol *listbox, *redit, *gedit, *bedit, *button;
};
/* Array of the user-visible colour names defined in the list macro in
* putty.h */
static const char *const colours[] = {