mirror of
https://git.tartarus.org/simon/putty.git
synced 2025-01-25 01:02:24 +00:00
Fix line endings (svn:eol-style properties and actual CRs).
[originally from svn r6817]
This commit is contained in:
Simon Tatham
parent
34f747421d
commit
3c04bd6b42
334
sercfg.c
334
sercfg.c
@ -1,167 +1,167 @@
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/*
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* sercfg.c - the serial-port specific parts of the PuTTY
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* configuration box. Centralised as cross-platform code because
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* more than one platform will want to use it, but not part of the
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* main configuration. The expectation is that each platform's
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* local config function will call out to ser_setup_config_box() if
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* it needs to set up the standard serial stuff. (Of course, it can
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* then apply local tweaks after ser_setup_config_box() returns, if
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* it needs to.)
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*/
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#include <assert.h>
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#include <stdlib.h>
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#include "putty.h"
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#include "dialog.h"
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#include "storage.h"
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static void serial_parity_handler(union control *ctrl, void *dlg,
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void *data, int event)
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{
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static const struct {
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const char *name;
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int val;
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} parities[] = {
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{"None", SER_PAR_NONE},
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{"Odd", SER_PAR_ODD},
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{"Even", SER_PAR_EVEN},
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{"Mark", SER_PAR_MARK},
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{"Space", SER_PAR_SPACE},
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};
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int i;
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Config *cfg = (Config *)data;
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if (event == EVENT_REFRESH) {
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dlg_update_start(ctrl, dlg);
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dlg_listbox_clear(ctrl, dlg);
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for (i = 0; i < lenof(parities); i++)
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dlg_listbox_addwithid(ctrl, dlg, parities[i].name,
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parities[i].val);
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for (i = 0; i < lenof(parities); i++)
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if (cfg->serparity == parities[i].val)
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dlg_listbox_select(ctrl, dlg, i);
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dlg_update_done(ctrl, dlg);
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} else if (event == EVENT_SELCHANGE) {
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int i = dlg_listbox_index(ctrl, dlg);
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if (i < 0)
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i = SER_PAR_NONE;
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else
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i = dlg_listbox_getid(ctrl, dlg, i);
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cfg->serparity = i;
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}
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}
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static void serial_flow_handler(union control *ctrl, void *dlg,
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void *data, int event)
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{
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static const struct {
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const char *name;
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int val;
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} flows[] = {
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{"None", SER_FLOW_NONE},
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{"XON/XOFF", SER_FLOW_XONXOFF},
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{"RTS/CTS", SER_FLOW_RTSCTS},
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{"DSR/DTR", SER_FLOW_DSRDTR},
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};
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int i;
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Config *cfg = (Config *)data;
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if (event == EVENT_REFRESH) {
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dlg_update_start(ctrl, dlg);
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dlg_listbox_clear(ctrl, dlg);
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for (i = 0; i < lenof(flows); i++)
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dlg_listbox_addwithid(ctrl, dlg, flows[i].name,
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flows[i].val);
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for (i = 0; i < lenof(flows); i++)
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if (cfg->serflow == flows[i].val)
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dlg_listbox_select(ctrl, dlg, i);
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dlg_update_done(ctrl, dlg);
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} else if (event == EVENT_SELCHANGE) {
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int i = dlg_listbox_index(ctrl, dlg);
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if (i < 0)
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i = SER_PAR_NONE;
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else
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i = dlg_listbox_getid(ctrl, dlg, i);
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cfg->serflow = i;
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}
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}
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void ser_setup_config_box(struct controlbox *b, int midsession)
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{
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struct controlset *s;
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union control *c;
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/*
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* Add the serial back end to the protocols list at the top of
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* the config box.
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*/
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s = ctrl_getset(b, "Session", "hostport",
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"Specify your connection by host name or IP address");
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{
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int i;
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extern void config_protocolbuttons_handler(union control *, void *,
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void *, int);
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for (i = 0; i < s->ncontrols; i++) {
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c = s->ctrls[i];
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if (c->generic.type == CTRL_RADIO &&
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c->generic.handler == config_protocolbuttons_handler) {
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c->radio.nbuttons++;
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c->radio.ncolumns++;
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c->radio.buttons =
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sresize(c->radio.buttons, c->radio.nbuttons, char *);
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c->radio.buttons[c->radio.nbuttons-1] =
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dupstr("Serial");
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c->radio.buttondata =
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sresize(c->radio.buttondata, c->radio.nbuttons, intorptr);
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c->radio.buttondata[c->radio.nbuttons-1] = I(PROT_SERIAL);
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if (c->radio.shortcuts) {
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c->radio.shortcuts =
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sresize(c->radio.shortcuts, c->radio.nbuttons, char);
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c->radio.shortcuts[c->radio.nbuttons-1] = NO_SHORTCUT;
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}
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}
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}
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}
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/*
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* Entirely new Connection/Serial panel for serial port
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* configuration.
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*/
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ctrl_settitle(b, "Connection/Serial",
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"Options controlling local serial lines");
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if (!midsession) {
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/*
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* We don't permit switching to a different serial port in
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* midflight, although we do allow all other
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* reconfiguration.
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*/
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s = ctrl_getset(b, "Connection/Serial", "serline",
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"Select a serial line");
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ctrl_editbox(s, "Serial line to connect to", 'l', 40,
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HELPCTX(serial_line),
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dlg_stdeditbox_handler, I(offsetof(Config,serline)),
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I(sizeof(((Config *)0)->serline)));
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}
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s = ctrl_getset(b, "Connection/Serial", "sercfg", "Configure the serial line");
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ctrl_editbox(s, "Speed (baud)", 's', 40,
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HELPCTX(serial_speed),
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dlg_stdeditbox_handler, I(offsetof(Config,serspeed)), I(-1));
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ctrl_editbox(s, "Data bits", 'b', 40,
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HELPCTX(serial_databits),
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dlg_stdeditbox_handler,I(offsetof(Config,serdatabits)),I(-1));
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/*
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* Stop bits come in units of one half.
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*/
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ctrl_editbox(s, "Stop bits", 't', 40,
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HELPCTX(serial_stopbits),
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dlg_stdeditbox_handler,I(offsetof(Config,serstopbits)),I(-2));
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ctrl_droplist(s, "Parity", 'p', 40,
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HELPCTX(serial_parity),
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serial_parity_handler, I(0));
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ctrl_droplist(s, "Flow control", 'f', 40,
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HELPCTX(serial_flow),
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serial_flow_handler, I(0));
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}
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/*
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* sercfg.c - the serial-port specific parts of the PuTTY
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* configuration box. Centralised as cross-platform code because
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* more than one platform will want to use it, but not part of the
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* main configuration. The expectation is that each platform's
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* local config function will call out to ser_setup_config_box() if
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* it needs to set up the standard serial stuff. (Of course, it can
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* then apply local tweaks after ser_setup_config_box() returns, if
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* it needs to.)
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*/
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#include <assert.h>
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#include <stdlib.h>
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#include "putty.h"
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#include "dialog.h"
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#include "storage.h"
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static void serial_parity_handler(union control *ctrl, void *dlg,
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void *data, int event)
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{
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static const struct {
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const char *name;
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int val;
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} parities[] = {
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{"None", SER_PAR_NONE},
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{"Odd", SER_PAR_ODD},
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{"Even", SER_PAR_EVEN},
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{"Mark", SER_PAR_MARK},
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{"Space", SER_PAR_SPACE},
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};
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int i;
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Config *cfg = (Config *)data;
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if (event == EVENT_REFRESH) {
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dlg_update_start(ctrl, dlg);
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dlg_listbox_clear(ctrl, dlg);
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for (i = 0; i < lenof(parities); i++)
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dlg_listbox_addwithid(ctrl, dlg, parities[i].name,
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parities[i].val);
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for (i = 0; i < lenof(parities); i++)
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if (cfg->serparity == parities[i].val)
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dlg_listbox_select(ctrl, dlg, i);
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dlg_update_done(ctrl, dlg);
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} else if (event == EVENT_SELCHANGE) {
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int i = dlg_listbox_index(ctrl, dlg);
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if (i < 0)
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i = SER_PAR_NONE;
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else
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i = dlg_listbox_getid(ctrl, dlg, i);
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cfg->serparity = i;
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}
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}
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static void serial_flow_handler(union control *ctrl, void *dlg,
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void *data, int event)
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{
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static const struct {
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const char *name;
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int val;
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} flows[] = {
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{"None", SER_FLOW_NONE},
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{"XON/XOFF", SER_FLOW_XONXOFF},
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{"RTS/CTS", SER_FLOW_RTSCTS},
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{"DSR/DTR", SER_FLOW_DSRDTR},
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};
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int i;
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Config *cfg = (Config *)data;
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if (event == EVENT_REFRESH) {
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dlg_update_start(ctrl, dlg);
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dlg_listbox_clear(ctrl, dlg);
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for (i = 0; i < lenof(flows); i++)
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dlg_listbox_addwithid(ctrl, dlg, flows[i].name,
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flows[i].val);
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for (i = 0; i < lenof(flows); i++)
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if (cfg->serflow == flows[i].val)
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dlg_listbox_select(ctrl, dlg, i);
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dlg_update_done(ctrl, dlg);
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} else if (event == EVENT_SELCHANGE) {
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int i = dlg_listbox_index(ctrl, dlg);
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if (i < 0)
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i = SER_PAR_NONE;
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else
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i = dlg_listbox_getid(ctrl, dlg, i);
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cfg->serflow = i;
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}
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}
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void ser_setup_config_box(struct controlbox *b, int midsession)
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{
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struct controlset *s;
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union control *c;
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/*
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* Add the serial back end to the protocols list at the top of
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* the config box.
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*/
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s = ctrl_getset(b, "Session", "hostport",
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"Specify your connection by host name or IP address");
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{
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int i;
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extern void config_protocolbuttons_handler(union control *, void *,
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void *, int);
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for (i = 0; i < s->ncontrols; i++) {
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c = s->ctrls[i];
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if (c->generic.type == CTRL_RADIO &&
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c->generic.handler == config_protocolbuttons_handler) {
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c->radio.nbuttons++;
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c->radio.ncolumns++;
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c->radio.buttons =
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sresize(c->radio.buttons, c->radio.nbuttons, char *);
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c->radio.buttons[c->radio.nbuttons-1] =
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dupstr("Serial");
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c->radio.buttondata =
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sresize(c->radio.buttondata, c->radio.nbuttons, intorptr);
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c->radio.buttondata[c->radio.nbuttons-1] = I(PROT_SERIAL);
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if (c->radio.shortcuts) {
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c->radio.shortcuts =
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sresize(c->radio.shortcuts, c->radio.nbuttons, char);
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c->radio.shortcuts[c->radio.nbuttons-1] = NO_SHORTCUT;
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}
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}
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}
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}
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/*
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* Entirely new Connection/Serial panel for serial port
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* configuration.
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*/
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ctrl_settitle(b, "Connection/Serial",
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"Options controlling local serial lines");
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if (!midsession) {
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/*
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* We don't permit switching to a different serial port in
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* midflight, although we do allow all other
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* reconfiguration.
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*/
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s = ctrl_getset(b, "Connection/Serial", "serline",
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"Select a serial line");
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ctrl_editbox(s, "Serial line to connect to", 'l', 40,
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HELPCTX(serial_line),
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dlg_stdeditbox_handler, I(offsetof(Config,serline)),
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I(sizeof(((Config *)0)->serline)));
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}
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s = ctrl_getset(b, "Connection/Serial", "sercfg", "Configure the serial line");
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ctrl_editbox(s, "Speed (baud)", 's', 40,
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HELPCTX(serial_speed),
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dlg_stdeditbox_handler, I(offsetof(Config,serspeed)), I(-1));
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ctrl_editbox(s, "Data bits", 'b', 40,
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HELPCTX(serial_databits),
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dlg_stdeditbox_handler,I(offsetof(Config,serdatabits)),I(-1));
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/*
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* Stop bits come in units of one half.
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*/
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ctrl_editbox(s, "Stop bits", 't', 40,
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HELPCTX(serial_stopbits),
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dlg_stdeditbox_handler,I(offsetof(Config,serstopbits)),I(-2));
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ctrl_droplist(s, "Parity", 'p', 40,
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HELPCTX(serial_parity),
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serial_parity_handler, I(0));
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ctrl_droplist(s, "Flow control", 'f', 40,
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HELPCTX(serial_flow),
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serial_flow_handler, I(0));
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}
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@ -1,217 +1,217 @@
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/*
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* winproxy.c: Windows implementation of platform_new_connection(),
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* supporting an OpenSSH-like proxy command via the winhandl.c
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* mechanism.
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*/
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#include <stdio.h>
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#include <assert.h>
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#define DEFINE_PLUG_METHOD_MACROS
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#include "tree234.h"
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#include "putty.h"
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#include "network.h"
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#include "proxy.h"
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typedef struct Socket_localproxy_tag *Local_Proxy_Socket;
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struct Socket_localproxy_tag {
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const struct socket_function_table *fn;
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/* the above variable absolutely *must* be the first in this structure */
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HANDLE to_cmd_H, from_cmd_H;
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struct handle *to_cmd_h, *from_cmd_h;
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char *error;
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Plug plug;
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void *privptr;
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};
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int localproxy_gotdata(struct handle *h, void *data, int len)
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{
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Local_Proxy_Socket ps = (Local_Proxy_Socket) handle_get_privdata(h);
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if (len < 0) {
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return plug_closing(ps->plug, "Read error from local proxy command",
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0, 0);
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} else if (len == 0) {
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return plug_closing(ps->plug, NULL, 0, 0);
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} else {
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return plug_receive(ps->plug, 1, data, len);
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}
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}
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void localproxy_sentdata(struct handle *h, int new_backlog)
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{
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Local_Proxy_Socket ps = (Local_Proxy_Socket) handle_get_privdata(h);
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plug_sent(ps->plug, new_backlog);
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}
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static Plug sk_localproxy_plug (Socket s, Plug p)
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{
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Local_Proxy_Socket ps = (Local_Proxy_Socket) s;
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Plug ret = ps->plug;
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if (p)
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ps->plug = p;
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return ret;
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}
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static void sk_localproxy_close (Socket s)
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{
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Local_Proxy_Socket ps = (Local_Proxy_Socket) s;
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handle_free(ps->to_cmd_h);
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handle_free(ps->from_cmd_h);
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CloseHandle(ps->to_cmd_H);
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CloseHandle(ps->from_cmd_H);
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sfree(ps);
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}
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static int sk_localproxy_write (Socket s, const char *data, int len)
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{
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Local_Proxy_Socket ps = (Local_Proxy_Socket) s;
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return handle_write(ps->to_cmd_h, data, len);
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}
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|
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static int sk_localproxy_write_oob(Socket s, const char *data, int len)
|
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{
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/*
|
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* oob data is treated as inband; nasty, but nothing really
|
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* better we can do
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*/
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return sk_localproxy_write(s, data, len);
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}
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static void sk_localproxy_flush(Socket s)
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{
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/* Local_Proxy_Socket ps = (Local_Proxy_Socket) s; */
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/* do nothing */
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}
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static void sk_localproxy_set_private_ptr(Socket s, void *ptr)
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{
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Local_Proxy_Socket ps = (Local_Proxy_Socket) s;
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ps->privptr = ptr;
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}
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static void *sk_localproxy_get_private_ptr(Socket s)
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{
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Local_Proxy_Socket ps = (Local_Proxy_Socket) s;
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return ps->privptr;
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}
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static void sk_localproxy_set_frozen(Socket s, int is_frozen)
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{
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Local_Proxy_Socket ps = (Local_Proxy_Socket) s;
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|
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/*
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* FIXME
|
||||
*/
|
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}
|
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static const char *sk_localproxy_socket_error(Socket s)
|
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{
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Local_Proxy_Socket ps = (Local_Proxy_Socket) s;
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return ps->error;
|
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}
|
||||
|
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Socket platform_new_connection(SockAddr addr, char *hostname,
|
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int port, int privport,
|
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int oobinline, int nodelay, int keepalive,
|
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Plug plug, const Config *cfg)
|
||||
{
|
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char *cmd;
|
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|
||||
static const struct socket_function_table socket_fn_table = {
|
||||
sk_localproxy_plug,
|
||||
sk_localproxy_close,
|
||||
sk_localproxy_write,
|
||||
sk_localproxy_write_oob,
|
||||
sk_localproxy_flush,
|
||||
sk_localproxy_set_private_ptr,
|
||||
sk_localproxy_get_private_ptr,
|
||||
sk_localproxy_set_frozen,
|
||||
sk_localproxy_socket_error
|
||||
};
|
||||
|
||||
Local_Proxy_Socket ret;
|
||||
HANDLE us_to_cmd, us_from_cmd, cmd_to_us, cmd_from_us;
|
||||
SECURITY_ATTRIBUTES sa;
|
||||
STARTUPINFO si;
|
||||
PROCESS_INFORMATION pi;
|
||||
|
||||
if (cfg->proxy_type != PROXY_CMD)
|
||||
return NULL;
|
||||
|
||||
cmd = format_telnet_command(addr, port, cfg);
|
||||
|
||||
{
|
||||
char *msg = dupprintf("Starting local proxy command: %s", cmd);
|
||||
/* We're allowed to pass NULL here, because we're part of the Windows
|
||||
* front end so we know logevent doesn't expect any data. */
|
||||
logevent(NULL, msg);
|
||||
sfree(msg);
|
||||
}
|
||||
|
||||
ret = snew(struct Socket_localproxy_tag);
|
||||
ret->fn = &socket_fn_table;
|
||||
ret->plug = plug;
|
||||
ret->error = NULL;
|
||||
|
||||
/*
|
||||
* Create the pipes to the proxy command, and spawn the proxy
|
||||
* command process.
|
||||
*/
|
||||
sa.nLength = sizeof(sa);
|
||||
sa.lpSecurityDescriptor = NULL; /* default */
|
||||
sa.bInheritHandle = TRUE;
|
||||
if (!CreatePipe(&us_from_cmd, &cmd_to_us, &sa, 0)) {
|
||||
ret->error = dupprintf("Unable to create pipes for proxy command");
|
||||
return (Socket)ret;
|
||||
}
|
||||
|
||||
if (!CreatePipe(&cmd_from_us, &us_to_cmd, &sa, 0)) {
|
||||
CloseHandle(us_from_cmd);
|
||||
CloseHandle(cmd_to_us);
|
||||
ret->error = dupprintf("Unable to create pipes for proxy command");
|
||||
return (Socket)ret;
|
||||
}
|
||||
|
||||
SetHandleInformation(us_to_cmd, HANDLE_FLAG_INHERIT, 0);
|
||||
SetHandleInformation(us_from_cmd, HANDLE_FLAG_INHERIT, 0);
|
||||
|
||||
si.cb = sizeof(si);
|
||||
si.lpReserved = NULL;
|
||||
si.lpDesktop = NULL;
|
||||
si.lpTitle = NULL;
|
||||
si.dwFlags = STARTF_USESTDHANDLES;
|
||||
si.cbReserved2 = 0;
|
||||
si.lpReserved2 = NULL;
|
||||
si.hStdInput = cmd_from_us;
|
||||
si.hStdOutput = cmd_to_us;
|
||||
si.hStdError = NULL;
|
||||
CreateProcess(NULL, cmd, NULL, NULL, TRUE,
|
||||
CREATE_NO_WINDOW | NORMAL_PRIORITY_CLASS,
|
||||
NULL, NULL, &si, &pi);
|
||||
|
||||
CloseHandle(cmd_from_us);
|
||||
CloseHandle(cmd_to_us);
|
||||
|
||||
ret->to_cmd_H = us_to_cmd;
|
||||
ret->from_cmd_H = us_from_cmd;
|
||||
|
||||
ret->from_cmd_h = handle_input_new(ret->from_cmd_H, localproxy_gotdata,
|
||||
ret, 0);
|
||||
ret->to_cmd_h = handle_output_new(ret->to_cmd_H, localproxy_sentdata,
|
||||
ret, 0);
|
||||
|
||||
/* We are responsible for this and don't need it any more */
|
||||
sk_addr_free(addr);
|
||||
|
||||
return (Socket) ret;
|
||||
}
|
||||
/*
|
||||
* winproxy.c: Windows implementation of platform_new_connection(),
|
||||
* supporting an OpenSSH-like proxy command via the winhandl.c
|
||||
* mechanism.
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <assert.h>
|
||||
|
||||
#define DEFINE_PLUG_METHOD_MACROS
|
||||
#include "tree234.h"
|
||||
#include "putty.h"
|
||||
#include "network.h"
|
||||
#include "proxy.h"
|
||||
|
||||
typedef struct Socket_localproxy_tag *Local_Proxy_Socket;
|
||||
|
||||
struct Socket_localproxy_tag {
|
||||
const struct socket_function_table *fn;
|
||||
/* the above variable absolutely *must* be the first in this structure */
|
||||
|
||||
HANDLE to_cmd_H, from_cmd_H;
|
||||
struct handle *to_cmd_h, *from_cmd_h;
|
||||
|
||||
char *error;
|
||||
|
||||
Plug plug;
|
||||
|
||||
void *privptr;
|
||||
};
|
||||
|
||||
int localproxy_gotdata(struct handle *h, void *data, int len)
|
||||
{
|
||||
Local_Proxy_Socket ps = (Local_Proxy_Socket) handle_get_privdata(h);
|
||||
|
||||
if (len < 0) {
|
||||
return plug_closing(ps->plug, "Read error from local proxy command",
|
||||
0, 0);
|
||||
} else if (len == 0) {
|
||||
return plug_closing(ps->plug, NULL, 0, 0);
|
||||
} else {
|
||||
return plug_receive(ps->plug, 1, data, len);
|
||||
}
|
||||
}
|
||||
|
||||
void localproxy_sentdata(struct handle *h, int new_backlog)
|
||||
{
|
||||
Local_Proxy_Socket ps = (Local_Proxy_Socket) handle_get_privdata(h);
|
||||
|
||||
plug_sent(ps->plug, new_backlog);
|
||||
}
|
||||
|
||||
static Plug sk_localproxy_plug (Socket s, Plug p)
|
||||
{
|
||||
Local_Proxy_Socket ps = (Local_Proxy_Socket) s;
|
||||
Plug ret = ps->plug;
|
||||
if (p)
|
||||
ps->plug = p;
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void sk_localproxy_close (Socket s)
|
||||
{
|
||||
Local_Proxy_Socket ps = (Local_Proxy_Socket) s;
|
||||
|
||||
handle_free(ps->to_cmd_h);
|
||||
handle_free(ps->from_cmd_h);
|
||||
CloseHandle(ps->to_cmd_H);
|
||||
CloseHandle(ps->from_cmd_H);
|
||||
|
||||
sfree(ps);
|
||||
}
|
||||
|
||||
static int sk_localproxy_write (Socket s, const char *data, int len)
|
||||
{
|
||||
Local_Proxy_Socket ps = (Local_Proxy_Socket) s;
|
||||
|
||||
return handle_write(ps->to_cmd_h, data, len);
|
||||
}
|
||||
|
||||
static int sk_localproxy_write_oob(Socket s, const char *data, int len)
|
||||
{
|
||||
/*
|
||||
* oob data is treated as inband; nasty, but nothing really
|
||||
* better we can do
|
||||
*/
|
||||
return sk_localproxy_write(s, data, len);
|
||||
}
|
||||
|
||||
static void sk_localproxy_flush(Socket s)
|
||||
{
|
||||
/* Local_Proxy_Socket ps = (Local_Proxy_Socket) s; */
|
||||
/* do nothing */
|
||||
}
|
||||
|
||||
static void sk_localproxy_set_private_ptr(Socket s, void *ptr)
|
||||
{
|
||||
Local_Proxy_Socket ps = (Local_Proxy_Socket) s;
|
||||
ps->privptr = ptr;
|
||||
}
|
||||
|
||||
static void *sk_localproxy_get_private_ptr(Socket s)
|
||||
{
|
||||
Local_Proxy_Socket ps = (Local_Proxy_Socket) s;
|
||||
return ps->privptr;
|
||||
}
|
||||
|
||||
static void sk_localproxy_set_frozen(Socket s, int is_frozen)
|
||||
{
|
||||
Local_Proxy_Socket ps = (Local_Proxy_Socket) s;
|
||||
|
||||
/*
|
||||
* FIXME
|
||||
*/
|
||||
}
|
||||
|
||||
static const char *sk_localproxy_socket_error(Socket s)
|
||||
{
|
||||
Local_Proxy_Socket ps = (Local_Proxy_Socket) s;
|
||||
return ps->error;
|
||||
}
|
||||
|
||||
Socket platform_new_connection(SockAddr addr, char *hostname,
|
||||
int port, int privport,
|
||||
int oobinline, int nodelay, int keepalive,
|
||||
Plug plug, const Config *cfg)
|
||||
{
|
||||
char *cmd;
|
||||
|
||||
static const struct socket_function_table socket_fn_table = {
|
||||
sk_localproxy_plug,
|
||||
sk_localproxy_close,
|
||||
sk_localproxy_write,
|
||||
sk_localproxy_write_oob,
|
||||
sk_localproxy_flush,
|
||||
sk_localproxy_set_private_ptr,
|
||||
sk_localproxy_get_private_ptr,
|
||||
sk_localproxy_set_frozen,
|
||||
sk_localproxy_socket_error
|
||||
};
|
||||
|
||||
Local_Proxy_Socket ret;
|
||||
HANDLE us_to_cmd, us_from_cmd, cmd_to_us, cmd_from_us;
|
||||
SECURITY_ATTRIBUTES sa;
|
||||
STARTUPINFO si;
|
||||
PROCESS_INFORMATION pi;
|
||||
|
||||
if (cfg->proxy_type != PROXY_CMD)
|
||||
return NULL;
|
||||
|
||||
cmd = format_telnet_command(addr, port, cfg);
|
||||
|
||||
{
|
||||
char *msg = dupprintf("Starting local proxy command: %s", cmd);
|
||||
/* We're allowed to pass NULL here, because we're part of the Windows
|
||||
* front end so we know logevent doesn't expect any data. */
|
||||
logevent(NULL, msg);
|
||||
sfree(msg);
|
||||
}
|
||||
|
||||
ret = snew(struct Socket_localproxy_tag);
|
||||
ret->fn = &socket_fn_table;
|
||||
ret->plug = plug;
|
||||
ret->error = NULL;
|
||||
|
||||
/*
|
||||
* Create the pipes to the proxy command, and spawn the proxy
|
||||
* command process.
|
||||
*/
|
||||
sa.nLength = sizeof(sa);
|
||||
sa.lpSecurityDescriptor = NULL; /* default */
|
||||
sa.bInheritHandle = TRUE;
|
||||
if (!CreatePipe(&us_from_cmd, &cmd_to_us, &sa, 0)) {
|
||||
ret->error = dupprintf("Unable to create pipes for proxy command");
|
||||
return (Socket)ret;
|
||||
}
|
||||
|
||||
if (!CreatePipe(&cmd_from_us, &us_to_cmd, &sa, 0)) {
|
||||
CloseHandle(us_from_cmd);
|
||||
CloseHandle(cmd_to_us);
|
||||
ret->error = dupprintf("Unable to create pipes for proxy command");
|
||||
return (Socket)ret;
|
||||
}
|
||||
|
||||
SetHandleInformation(us_to_cmd, HANDLE_FLAG_INHERIT, 0);
|
||||
SetHandleInformation(us_from_cmd, HANDLE_FLAG_INHERIT, 0);
|
||||
|
||||
si.cb = sizeof(si);
|
||||
si.lpReserved = NULL;
|
||||
si.lpDesktop = NULL;
|
||||
si.lpTitle = NULL;
|
||||
si.dwFlags = STARTF_USESTDHANDLES;
|
||||
si.cbReserved2 = 0;
|
||||
si.lpReserved2 = NULL;
|
||||
si.hStdInput = cmd_from_us;
|
||||
si.hStdOutput = cmd_to_us;
|
||||
si.hStdError = NULL;
|
||||
CreateProcess(NULL, cmd, NULL, NULL, TRUE,
|
||||
CREATE_NO_WINDOW | NORMAL_PRIORITY_CLASS,
|
||||
NULL, NULL, &si, &pi);
|
||||
|
||||
CloseHandle(cmd_from_us);
|
||||
CloseHandle(cmd_to_us);
|
||||
|
||||
ret->to_cmd_H = us_to_cmd;
|
||||
ret->from_cmd_H = us_from_cmd;
|
||||
|
||||
ret->from_cmd_h = handle_input_new(ret->from_cmd_H, localproxy_gotdata,
|
||||
ret, 0);
|
||||
ret->to_cmd_h = handle_output_new(ret->to_cmd_H, localproxy_sentdata,
|
||||
ret, 0);
|
||||
|
||||
/* We are responsible for this and don't need it any more */
|
||||
sk_addr_free(addr);
|
||||
|
||||
return (Socket) ret;
|
||||
}
|
||||
|
||||
792
windows/winser.c
792
windows/winser.c
@ -1,396 +1,396 @@
|
||||
/*
|
||||
* Serial back end (Windows-specific).
|
||||
*/
|
||||
|
||||
/*
|
||||
* TODO:
|
||||
*
|
||||
* - sending breaks?
|
||||
* + looks as if you do this by calling SetCommBreak(handle),
|
||||
* then waiting a bit, then doing ClearCommBreak(handle). A
|
||||
* small job for timing.c, methinks.
|
||||
*
|
||||
* - why are we dropping data when talking to judicator?
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <limits.h>
|
||||
|
||||
#include "putty.h"
|
||||
|
||||
#define SERIAL_MAX_BACKLOG 4096
|
||||
|
||||
typedef struct serial_backend_data {
|
||||
HANDLE port;
|
||||
struct handle *out, *in;
|
||||
void *frontend;
|
||||
int bufsize;
|
||||
} *Serial;
|
||||
|
||||
static void serial_terminate(Serial serial)
|
||||
{
|
||||
if (serial->out) {
|
||||
handle_free(serial->out);
|
||||
serial->out = NULL;
|
||||
}
|
||||
if (serial->in) {
|
||||
handle_free(serial->in);
|
||||
serial->in = NULL;
|
||||
}
|
||||
if (serial->port) {
|
||||
CloseHandle(serial->port);
|
||||
serial->port = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static int serial_gotdata(struct handle *h, void *data, int len)
|
||||
{
|
||||
Serial serial = (Serial)handle_get_privdata(h);
|
||||
if (len <= 0) {
|
||||
const char *error_msg;
|
||||
|
||||
/*
|
||||
* Currently, len==0 should never happen because we're
|
||||
* ignoring EOFs. However, it seems not totally impossible
|
||||
* that this same back end might be usable to talk to named
|
||||
* pipes or some other non-serial device, in which case EOF
|
||||
* may become meaningful here.
|
||||
*/
|
||||
if (len == 0)
|
||||
error_msg = "End of file reading from serial device";
|
||||
else
|
||||
error_msg = "Error reading from serial device";
|
||||
|
||||
serial_terminate(serial);
|
||||
|
||||
notify_remote_exit(serial->frontend);
|
||||
|
||||
logevent(serial->frontend, error_msg);
|
||||
|
||||
connection_fatal(serial->frontend, "%s", error_msg);
|
||||
|
||||
return 0; /* placate optimiser */
|
||||
} else {
|
||||
return from_backend(serial->frontend, 0, data, len);
|
||||
}
|
||||
}
|
||||
|
||||
static void serial_sentdata(struct handle *h, int new_backlog)
|
||||
{
|
||||
Serial serial = (Serial)handle_get_privdata(h);
|
||||
if (new_backlog < 0) {
|
||||
const char *error_msg = "Error writing to serial device";
|
||||
|
||||
serial_terminate(serial);
|
||||
|
||||
notify_remote_exit(serial->frontend);
|
||||
|
||||
logevent(serial->frontend, error_msg);
|
||||
|
||||
connection_fatal(serial->frontend, "%s", error_msg);
|
||||
} else {
|
||||
serial->bufsize = new_backlog;
|
||||
}
|
||||
}
|
||||
|
||||
static const char *serial_configure(Serial serial, HANDLE serport, Config *cfg)
|
||||
{
|
||||
DCB dcb;
|
||||
COMMTIMEOUTS timeouts;
|
||||
|
||||
/*
|
||||
* Set up the serial port parameters. If we can't even
|
||||
* GetCommState, we ignore the problem on the grounds that the
|
||||
* user might have pointed us at some other type of two-way
|
||||
* device instead of a serial port.
|
||||
*/
|
||||
if (GetCommState(serport, &dcb)) {
|
||||
char *msg;
|
||||
const char *str;
|
||||
|
||||
/*
|
||||
* Boilerplate.
|
||||
*/
|
||||
dcb.fBinary = TRUE;
|
||||
dcb.fDtrControl = DTR_CONTROL_ENABLE;
|
||||
dcb.fDsrSensitivity = FALSE;
|
||||
dcb.fTXContinueOnXoff = FALSE;
|
||||
dcb.fOutX = FALSE;
|
||||
dcb.fInX = FALSE;
|
||||
dcb.fErrorChar = FALSE;
|
||||
dcb.fNull = FALSE;
|
||||
dcb.fRtsControl = RTS_CONTROL_ENABLE;
|
||||
dcb.fAbortOnError = FALSE;
|
||||
dcb.fOutxCtsFlow = FALSE;
|
||||
dcb.fOutxDsrFlow = FALSE;
|
||||
|
||||
/*
|
||||
* Configurable parameters.
|
||||
*/
|
||||
dcb.BaudRate = cfg->serspeed;
|
||||
msg = dupprintf("Configuring baud rate %d", cfg->serspeed);
|
||||
logevent(serial->frontend, msg);
|
||||
sfree(msg);
|
||||
|
||||
dcb.ByteSize = cfg->serdatabits;
|
||||
msg = dupprintf("Configuring %d data bits", cfg->serdatabits);
|
||||
logevent(serial->frontend, msg);
|
||||
sfree(msg);
|
||||
|
||||
switch (cfg->serstopbits) {
|
||||
case 2: dcb.StopBits = ONESTOPBIT; str = "1"; break;
|
||||
case 3: dcb.StopBits = ONE5STOPBITS; str = "1.5"; break;
|
||||
case 4: dcb.StopBits = TWOSTOPBITS; str = "2"; break;
|
||||
default: return "Invalid number of stop bits (need 1, 1.5 or 2)";
|
||||
}
|
||||
msg = dupprintf("Configuring %s data bits", str);
|
||||
logevent(serial->frontend, msg);
|
||||
sfree(msg);
|
||||
|
||||
switch (cfg->serparity) {
|
||||
case SER_PAR_NONE: dcb.Parity = NOPARITY; str = "no"; break;
|
||||
case SER_PAR_ODD: dcb.Parity = ODDPARITY; str = "odd"; break;
|
||||
case SER_PAR_EVEN: dcb.Parity = EVENPARITY; str = "even"; break;
|
||||
case SER_PAR_MARK: dcb.Parity = MARKPARITY; str = "mark"; break;
|
||||
case SER_PAR_SPACE: dcb.Parity = SPACEPARITY; str = "space"; break;
|
||||
}
|
||||
msg = dupprintf("Configuring %s parity", str);
|
||||
logevent(serial->frontend, msg);
|
||||
sfree(msg);
|
||||
|
||||
switch (cfg->serflow) {
|
||||
case SER_FLOW_NONE:
|
||||
str = "no";
|
||||
break;
|
||||
case SER_FLOW_XONXOFF:
|
||||
dcb.fOutX = dcb.fInX = TRUE;
|
||||
str = "XON/XOFF";
|
||||
break;
|
||||
case SER_FLOW_RTSCTS:
|
||||
dcb.fRtsControl = RTS_CONTROL_HANDSHAKE;
|
||||
dcb.fOutxCtsFlow = TRUE;
|
||||
str = "RTS/CTS";
|
||||
break;
|
||||
case SER_FLOW_DSRDTR:
|
||||
dcb.fDtrControl = DTR_CONTROL_HANDSHAKE;
|
||||
dcb.fOutxDsrFlow = TRUE;
|
||||
str = "DSR/DTR";
|
||||
break;
|
||||
}
|
||||
msg = dupprintf("Configuring %s flow control", str);
|
||||
logevent(serial->frontend, msg);
|
||||
sfree(msg);
|
||||
|
||||
if (!SetCommState(serport, &dcb))
|
||||
return "Unable to configure serial port";
|
||||
|
||||
timeouts.ReadIntervalTimeout = 1;
|
||||
timeouts.ReadTotalTimeoutMultiplier = 0;
|
||||
timeouts.ReadTotalTimeoutConstant = 0;
|
||||
timeouts.WriteTotalTimeoutMultiplier = 0;
|
||||
timeouts.WriteTotalTimeoutConstant = 0;
|
||||
if (!SetCommTimeouts(serport, &timeouts))
|
||||
return "Unable to configure serial timeouts";
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
* Called to set up the serial connection.
|
||||
*
|
||||
* Returns an error message, or NULL on success.
|
||||
*
|
||||
* Also places the canonical host name into `realhost'. It must be
|
||||
* freed by the caller.
|
||||
*/
|
||||
static const char *serial_init(void *frontend_handle, void **backend_handle,
|
||||
Config *cfg,
|
||||
char *host, int port, char **realhost, int nodelay,
|
||||
int keepalive)
|
||||
{
|
||||
Serial serial;
|
||||
HANDLE serport;
|
||||
const char *err;
|
||||
|
||||
serial = snew(struct serial_backend_data);
|
||||
serial->port = NULL;
|
||||
serial->out = serial->in = NULL;
|
||||
*backend_handle = serial;
|
||||
|
||||
serial->frontend = frontend_handle;
|
||||
|
||||
{
|
||||
char *msg = dupprintf("Opening serial device %s", host);
|
||||
logevent(serial->frontend, msg);
|
||||
}
|
||||
|
||||
serport = CreateFile(cfg->serline, GENERIC_READ | GENERIC_WRITE, 0, NULL,
|
||||
OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL);
|
||||
if (serport == INVALID_HANDLE_VALUE)
|
||||
return "Unable to open serial port";
|
||||
|
||||
err = serial_configure(serial, serport, cfg);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
serial->port = serport;
|
||||
serial->out = handle_output_new(serport, serial_sentdata, serial,
|
||||
HANDLE_FLAG_OVERLAPPED);
|
||||
serial->in = handle_input_new(serport, serial_gotdata, serial,
|
||||
HANDLE_FLAG_OVERLAPPED |
|
||||
HANDLE_FLAG_IGNOREEOF);
|
||||
|
||||
*realhost = dupstr(cfg->serline);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void serial_free(void *handle)
|
||||
{
|
||||
Serial serial = (Serial) handle;
|
||||
|
||||
serial_terminate(serial);
|
||||
sfree(serial);
|
||||
}
|
||||
|
||||
static void serial_reconfig(void *handle, Config *cfg)
|
||||
{
|
||||
Serial serial = (Serial) handle;
|
||||
const char *err;
|
||||
|
||||
err = serial_configure(serial, serial->port, cfg);
|
||||
|
||||
/*
|
||||
* FIXME: what should we do if err returns something?
|
||||
*/
|
||||
}
|
||||
|
||||
/*
|
||||
* Called to send data down the serial connection.
|
||||
*/
|
||||
static int serial_send(void *handle, char *buf, int len)
|
||||
{
|
||||
Serial serial = (Serial) handle;
|
||||
|
||||
if (serial->out == NULL)
|
||||
return 0;
|
||||
|
||||
serial->bufsize = handle_write(serial->out, buf, len);
|
||||
return serial->bufsize;
|
||||
}
|
||||
|
||||
/*
|
||||
* Called to query the current sendability status.
|
||||
*/
|
||||
static int serial_sendbuffer(void *handle)
|
||||
{
|
||||
Serial serial = (Serial) handle;
|
||||
return serial->bufsize;
|
||||
}
|
||||
|
||||
/*
|
||||
* Called to set the size of the window
|
||||
*/
|
||||
static void serial_size(void *handle, int width, int height)
|
||||
{
|
||||
/* Do nothing! */
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* Send serial special codes.
|
||||
*/
|
||||
static void serial_special(void *handle, Telnet_Special code)
|
||||
{
|
||||
/*
|
||||
* FIXME: serial break? XON? XOFF?
|
||||
*/
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* Return a list of the special codes that make sense in this
|
||||
* protocol.
|
||||
*/
|
||||
static const struct telnet_special *serial_get_specials(void *handle)
|
||||
{
|
||||
/*
|
||||
* FIXME: serial break? XON? XOFF?
|
||||
*/
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static int serial_connected(void *handle)
|
||||
{
|
||||
return 1; /* always connected */
|
||||
}
|
||||
|
||||
static int serial_sendok(void *handle)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
static void serial_unthrottle(void *handle, int backlog)
|
||||
{
|
||||
Serial serial = (Serial) handle;
|
||||
if (serial->in)
|
||||
handle_unthrottle(serial->in, backlog);
|
||||
}
|
||||
|
||||
static int serial_ldisc(void *handle, int option)
|
||||
{
|
||||
/*
|
||||
* Local editing and local echo are off by default.
|
||||
*/
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void serial_provide_ldisc(void *handle, void *ldisc)
|
||||
{
|
||||
/* This is a stub. */
|
||||
}
|
||||
|
||||
static void serial_provide_logctx(void *handle, void *logctx)
|
||||
{
|
||||
/* This is a stub. */
|
||||
}
|
||||
|
||||
static int serial_exitcode(void *handle)
|
||||
{
|
||||
Serial serial = (Serial) handle;
|
||||
if (serial->port != NULL)
|
||||
return -1; /* still connected */
|
||||
else
|
||||
/* Exit codes are a meaningless concept with serial ports */
|
||||
return INT_MAX;
|
||||
}
|
||||
|
||||
/*
|
||||
* cfg_info for Serial does nothing at all.
|
||||
*/
|
||||
static int serial_cfg_info(void *handle)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
Backend serial_backend = {
|
||||
serial_init,
|
||||
serial_free,
|
||||
serial_reconfig,
|
||||
serial_send,
|
||||
serial_sendbuffer,
|
||||
serial_size,
|
||||
serial_special,
|
||||
serial_get_specials,
|
||||
serial_connected,
|
||||
serial_exitcode,
|
||||
serial_sendok,
|
||||
serial_ldisc,
|
||||
serial_provide_ldisc,
|
||||
serial_provide_logctx,
|
||||
serial_unthrottle,
|
||||
serial_cfg_info,
|
||||
1
|
||||
};
|
||||
/*
|
||||
* Serial back end (Windows-specific).
|
||||
*/
|
||||
|
||||
/*
|
||||
* TODO:
|
||||
*
|
||||
* - sending breaks?
|
||||
* + looks as if you do this by calling SetCommBreak(handle),
|
||||
* then waiting a bit, then doing ClearCommBreak(handle). A
|
||||
* small job for timing.c, methinks.
|
||||
*
|
||||
* - why are we dropping data when talking to judicator?
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <limits.h>
|
||||
|
||||
#include "putty.h"
|
||||
|
||||
#define SERIAL_MAX_BACKLOG 4096
|
||||
|
||||
typedef struct serial_backend_data {
|
||||
HANDLE port;
|
||||
struct handle *out, *in;
|
||||
void *frontend;
|
||||
int bufsize;
|
||||
} *Serial;
|
||||
|
||||
static void serial_terminate(Serial serial)
|
||||
{
|
||||
if (serial->out) {
|
||||
handle_free(serial->out);
|
||||
serial->out = NULL;
|
||||
}
|
||||
if (serial->in) {
|
||||
handle_free(serial->in);
|
||||
serial->in = NULL;
|
||||
}
|
||||
if (serial->port) {
|
||||
CloseHandle(serial->port);
|
||||
serial->port = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static int serial_gotdata(struct handle *h, void *data, int len)
|
||||
{
|
||||
Serial serial = (Serial)handle_get_privdata(h);
|
||||
if (len <= 0) {
|
||||
const char *error_msg;
|
||||
|
||||
/*
|
||||
* Currently, len==0 should never happen because we're
|
||||
* ignoring EOFs. However, it seems not totally impossible
|
||||
* that this same back end might be usable to talk to named
|
||||
* pipes or some other non-serial device, in which case EOF
|
||||
* may become meaningful here.
|
||||
*/
|
||||
if (len == 0)
|
||||
error_msg = "End of file reading from serial device";
|
||||
else
|
||||
error_msg = "Error reading from serial device";
|
||||
|
||||
serial_terminate(serial);
|
||||
|
||||
notify_remote_exit(serial->frontend);
|
||||
|
||||
logevent(serial->frontend, error_msg);
|
||||
|
||||
connection_fatal(serial->frontend, "%s", error_msg);
|
||||
|
||||
return 0; /* placate optimiser */
|
||||
} else {
|
||||
return from_backend(serial->frontend, 0, data, len);
|
||||
}
|
||||
}
|
||||
|
||||
static void serial_sentdata(struct handle *h, int new_backlog)
|
||||
{
|
||||
Serial serial = (Serial)handle_get_privdata(h);
|
||||
if (new_backlog < 0) {
|
||||
const char *error_msg = "Error writing to serial device";
|
||||
|
||||
serial_terminate(serial);
|
||||
|
||||
notify_remote_exit(serial->frontend);
|
||||
|
||||
logevent(serial->frontend, error_msg);
|
||||
|
||||
connection_fatal(serial->frontend, "%s", error_msg);
|
||||
} else {
|
||||
serial->bufsize = new_backlog;
|
||||
}
|
||||
}
|
||||
|
||||
static const char *serial_configure(Serial serial, HANDLE serport, Config *cfg)
|
||||
{
|
||||
DCB dcb;
|
||||
COMMTIMEOUTS timeouts;
|
||||
|
||||
/*
|
||||
* Set up the serial port parameters. If we can't even
|
||||
* GetCommState, we ignore the problem on the grounds that the
|
||||
* user might have pointed us at some other type of two-way
|
||||
* device instead of a serial port.
|
||||
*/
|
||||
if (GetCommState(serport, &dcb)) {
|
||||
char *msg;
|
||||
const char *str;
|
||||
|
||||
/*
|
||||
* Boilerplate.
|
||||
*/
|
||||
dcb.fBinary = TRUE;
|
||||
dcb.fDtrControl = DTR_CONTROL_ENABLE;
|
||||
dcb.fDsrSensitivity = FALSE;
|
||||
dcb.fTXContinueOnXoff = FALSE;
|
||||
dcb.fOutX = FALSE;
|
||||
dcb.fInX = FALSE;
|
||||
dcb.fErrorChar = FALSE;
|
||||
dcb.fNull = FALSE;
|
||||
dcb.fRtsControl = RTS_CONTROL_ENABLE;
|
||||
dcb.fAbortOnError = FALSE;
|
||||
dcb.fOutxCtsFlow = FALSE;
|
||||
dcb.fOutxDsrFlow = FALSE;
|
||||
|
||||
/*
|
||||
* Configurable parameters.
|
||||
*/
|
||||
dcb.BaudRate = cfg->serspeed;
|
||||
msg = dupprintf("Configuring baud rate %d", cfg->serspeed);
|
||||
logevent(serial->frontend, msg);
|
||||
sfree(msg);
|
||||
|
||||
dcb.ByteSize = cfg->serdatabits;
|
||||
msg = dupprintf("Configuring %d data bits", cfg->serdatabits);
|
||||
logevent(serial->frontend, msg);
|
||||
sfree(msg);
|
||||
|
||||
switch (cfg->serstopbits) {
|
||||
case 2: dcb.StopBits = ONESTOPBIT; str = "1"; break;
|
||||
case 3: dcb.StopBits = ONE5STOPBITS; str = "1.5"; break;
|
||||
case 4: dcb.StopBits = TWOSTOPBITS; str = "2"; break;
|
||||
default: return "Invalid number of stop bits (need 1, 1.5 or 2)";
|
||||
}
|
||||
msg = dupprintf("Configuring %s data bits", str);
|
||||
logevent(serial->frontend, msg);
|
||||
sfree(msg);
|
||||
|
||||
switch (cfg->serparity) {
|
||||
case SER_PAR_NONE: dcb.Parity = NOPARITY; str = "no"; break;
|
||||
case SER_PAR_ODD: dcb.Parity = ODDPARITY; str = "odd"; break;
|
||||
case SER_PAR_EVEN: dcb.Parity = EVENPARITY; str = "even"; break;
|
||||
case SER_PAR_MARK: dcb.Parity = MARKPARITY; str = "mark"; break;
|
||||
case SER_PAR_SPACE: dcb.Parity = SPACEPARITY; str = "space"; break;
|
||||
}
|
||||
msg = dupprintf("Configuring %s parity", str);
|
||||
logevent(serial->frontend, msg);
|
||||
sfree(msg);
|
||||
|
||||
switch (cfg->serflow) {
|
||||
case SER_FLOW_NONE:
|
||||
str = "no";
|
||||
break;
|
||||
case SER_FLOW_XONXOFF:
|
||||
dcb.fOutX = dcb.fInX = TRUE;
|
||||
str = "XON/XOFF";
|
||||
break;
|
||||
case SER_FLOW_RTSCTS:
|
||||
dcb.fRtsControl = RTS_CONTROL_HANDSHAKE;
|
||||
dcb.fOutxCtsFlow = TRUE;
|
||||
str = "RTS/CTS";
|
||||
break;
|
||||
case SER_FLOW_DSRDTR:
|
||||
dcb.fDtrControl = DTR_CONTROL_HANDSHAKE;
|
||||
dcb.fOutxDsrFlow = TRUE;
|
||||
str = "DSR/DTR";
|
||||
break;
|
||||
}
|
||||
msg = dupprintf("Configuring %s flow control", str);
|
||||
logevent(serial->frontend, msg);
|
||||
sfree(msg);
|
||||
|
||||
if (!SetCommState(serport, &dcb))
|
||||
return "Unable to configure serial port";
|
||||
|
||||
timeouts.ReadIntervalTimeout = 1;
|
||||
timeouts.ReadTotalTimeoutMultiplier = 0;
|
||||
timeouts.ReadTotalTimeoutConstant = 0;
|
||||
timeouts.WriteTotalTimeoutMultiplier = 0;
|
||||
timeouts.WriteTotalTimeoutConstant = 0;
|
||||
if (!SetCommTimeouts(serport, &timeouts))
|
||||
return "Unable to configure serial timeouts";
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
* Called to set up the serial connection.
|
||||
*
|
||||
* Returns an error message, or NULL on success.
|
||||
*
|
||||
* Also places the canonical host name into `realhost'. It must be
|
||||
* freed by the caller.
|
||||
*/
|
||||
static const char *serial_init(void *frontend_handle, void **backend_handle,
|
||||
Config *cfg,
|
||||
char *host, int port, char **realhost, int nodelay,
|
||||
int keepalive)
|
||||
{
|
||||
Serial serial;
|
||||
HANDLE serport;
|
||||
const char *err;
|
||||
|
||||
serial = snew(struct serial_backend_data);
|
||||
serial->port = NULL;
|
||||
serial->out = serial->in = NULL;
|
||||
*backend_handle = serial;
|
||||
|
||||
serial->frontend = frontend_handle;
|
||||
|
||||
{
|
||||
char *msg = dupprintf("Opening serial device %s", host);
|
||||
logevent(serial->frontend, msg);
|
||||
}
|
||||
|
||||
serport = CreateFile(cfg->serline, GENERIC_READ | GENERIC_WRITE, 0, NULL,
|
||||
OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL);
|
||||
if (serport == INVALID_HANDLE_VALUE)
|
||||
return "Unable to open serial port";
|
||||
|
||||
err = serial_configure(serial, serport, cfg);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
serial->port = serport;
|
||||
serial->out = handle_output_new(serport, serial_sentdata, serial,
|
||||
HANDLE_FLAG_OVERLAPPED);
|
||||
serial->in = handle_input_new(serport, serial_gotdata, serial,
|
||||
HANDLE_FLAG_OVERLAPPED |
|
||||
HANDLE_FLAG_IGNOREEOF);
|
||||
|
||||
*realhost = dupstr(cfg->serline);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void serial_free(void *handle)
|
||||
{
|
||||
Serial serial = (Serial) handle;
|
||||
|
||||
serial_terminate(serial);
|
||||
sfree(serial);
|
||||
}
|
||||
|
||||
static void serial_reconfig(void *handle, Config *cfg)
|
||||
{
|
||||
Serial serial = (Serial) handle;
|
||||
const char *err;
|
||||
|
||||
err = serial_configure(serial, serial->port, cfg);
|
||||
|
||||
/*
|
||||
* FIXME: what should we do if err returns something?
|
||||
*/
|
||||
}
|
||||
|
||||
/*
|
||||
* Called to send data down the serial connection.
|
||||
*/
|
||||
static int serial_send(void *handle, char *buf, int len)
|
||||
{
|
||||
Serial serial = (Serial) handle;
|
||||
|
||||
if (serial->out == NULL)
|
||||
return 0;
|
||||
|
||||
serial->bufsize = handle_write(serial->out, buf, len);
|
||||
return serial->bufsize;
|
||||
}
|
||||
|
||||
/*
|
||||
* Called to query the current sendability status.
|
||||
*/
|
||||
static int serial_sendbuffer(void *handle)
|
||||
{
|
||||
Serial serial = (Serial) handle;
|
||||
return serial->bufsize;
|
||||
}
|
||||
|
||||
/*
|
||||
* Called to set the size of the window
|
||||
*/
|
||||
static void serial_size(void *handle, int width, int height)
|
||||
{
|
||||
/* Do nothing! */
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* Send serial special codes.
|
||||
*/
|
||||
static void serial_special(void *handle, Telnet_Special code)
|
||||
{
|
||||
/*
|
||||
* FIXME: serial break? XON? XOFF?
|
||||
*/
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* Return a list of the special codes that make sense in this
|
||||
* protocol.
|
||||
*/
|
||||
static const struct telnet_special *serial_get_specials(void *handle)
|
||||
{
|
||||
/*
|
||||
* FIXME: serial break? XON? XOFF?
|
||||
*/
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static int serial_connected(void *handle)
|
||||
{
|
||||
return 1; /* always connected */
|
||||
}
|
||||
|
||||
static int serial_sendok(void *handle)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
static void serial_unthrottle(void *handle, int backlog)
|
||||
{
|
||||
Serial serial = (Serial) handle;
|
||||
if (serial->in)
|
||||
handle_unthrottle(serial->in, backlog);
|
||||
}
|
||||
|
||||
static int serial_ldisc(void *handle, int option)
|
||||
{
|
||||
/*
|
||||
* Local editing and local echo are off by default.
|
||||
*/
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void serial_provide_ldisc(void *handle, void *ldisc)
|
||||
{
|
||||
/* This is a stub. */
|
||||
}
|
||||
|
||||
static void serial_provide_logctx(void *handle, void *logctx)
|
||||
{
|
||||
/* This is a stub. */
|
||||
}
|
||||
|
||||
static int serial_exitcode(void *handle)
|
||||
{
|
||||
Serial serial = (Serial) handle;
|
||||
if (serial->port != NULL)
|
||||
return -1; /* still connected */
|
||||
else
|
||||
/* Exit codes are a meaningless concept with serial ports */
|
||||
return INT_MAX;
|
||||
}
|
||||
|
||||
/*
|
||||
* cfg_info for Serial does nothing at all.
|
||||
*/
|
||||
static int serial_cfg_info(void *handle)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
Backend serial_backend = {
|
||||
serial_init,
|
||||
serial_free,
|
||||
serial_reconfig,
|
||||
serial_send,
|
||||
serial_sendbuffer,
|
||||
serial_size,
|
||||
serial_special,
|
||||
serial_get_specials,
|
||||
serial_connected,
|
||||
serial_exitcode,
|
||||
serial_sendok,
|
||||
serial_ldisc,
|
||||
serial_provide_ldisc,
|
||||
serial_provide_logctx,
|
||||
serial_unthrottle,
|
||||
serial_cfg_info,
|
||||
1
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user