diff options
Diffstat (limited to 'tools/plink/raw.c')
| -rw-r--r-- | tools/plink/raw.c | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/tools/plink/raw.c b/tools/plink/raw.c deleted file mode 100644 index ea51d74a7..000000000 --- a/tools/plink/raw.c +++ /dev/null @@ -1,300 +0,0 @@ -/*
- * "Raw" backend.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "putty.h"
-
-#ifndef FALSE
-#define FALSE 0
-#endif
-#ifndef TRUE
-#define TRUE 1
-#endif
-
-#define RAW_MAX_BACKLOG 4096
-
-typedef struct raw_backend_data {
- const struct plug_function_table *fn;
- /* the above field _must_ be first in the structure */
-
- Socket s;
- int bufsize;
- void *frontend;
-} *Raw;
-
-static void raw_size(void *handle, int width, int height);
-
-static void c_write(Raw raw, char *buf, int len)
-{
- int backlog = from_backend(raw->frontend, 0, buf, len);
- sk_set_frozen(raw->s, backlog > RAW_MAX_BACKLOG);
-}
-
-static void raw_log(Plug plug, int type, SockAddr addr, int port,
- const char *error_msg, int error_code)
-{
- Raw raw = (Raw) plug;
- char addrbuf[256], *msg;
-
- sk_getaddr(addr, addrbuf, lenof(addrbuf));
-
- if (type == 0)
- msg = dupprintf("Connecting to %s port %d", addrbuf, port);
- else
- msg = dupprintf("Failed to connect to %s: %s", addrbuf, error_msg);
-
- logevent(raw->frontend, msg);
-}
-
-static int raw_closing(Plug plug, const char *error_msg, int error_code,
- int calling_back)
-{
- Raw raw = (Raw) plug;
-
- if (raw->s) {
- sk_close(raw->s);
- raw->s = NULL;
- notify_remote_exit(raw->frontend);
- }
- if (error_msg) {
- /* A socket error has occurred. */
- logevent(raw->frontend, error_msg);
- connection_fatal(raw->frontend, "%s", error_msg);
- } /* Otherwise, the remote side closed the connection normally. */
- return 0;
-}
-
-static int raw_receive(Plug plug, int urgent, char *data, int len)
-{
- Raw raw = (Raw) plug;
- c_write(raw, data, len);
- return 1;
-}
-
-static void raw_sent(Plug plug, int bufsize)
-{
- Raw raw = (Raw) plug;
- raw->bufsize = bufsize;
-}
-
-/*
- * Called to set up the raw 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 *raw_init(void *frontend_handle, void **backend_handle,
- Config *cfg,
- char *host, int port, char **realhost, int nodelay,
- int keepalive)
-{
- static const struct plug_function_table fn_table = {
- raw_log,
- raw_closing,
- raw_receive,
- raw_sent
- };
- SockAddr addr;
- const char *err;
- Raw raw;
-
- raw = snew(struct raw_backend_data);
- raw->fn = &fn_table;
- raw->s = NULL;
- *backend_handle = raw;
-
- raw->frontend = frontend_handle;
-
- /*
- * Try to find host.
- */
- {
- char *buf;
- buf = dupprintf("Looking up host \"%s\"%s", host,
- (cfg->addressfamily == ADDRTYPE_IPV4 ? " (IPv4)" :
- (cfg->addressfamily == ADDRTYPE_IPV6 ? " (IPv6)" :
- "")));
- logevent(raw->frontend, buf);
- sfree(buf);
- }
- addr = name_lookup(host, port, realhost, cfg, cfg->addressfamily);
- if ((err = sk_addr_error(addr)) != NULL) {
- sk_addr_free(addr);
- return err;
- }
-
- if (port < 0)
- port = 23; /* default telnet port */
-
- /*
- * Open socket.
- */
- raw->s = new_connection(addr, *realhost, port, 0, 1, nodelay, keepalive,
- (Plug) raw, cfg);
- if ((err = sk_socket_error(raw->s)) != NULL)
- return err;
-
- if (*cfg->loghost) {
- char *colon;
-
- sfree(*realhost);
- *realhost = dupstr(cfg->loghost);
- colon = strrchr(*realhost, ':');
- if (colon) {
- /*
- * FIXME: if we ever update this aspect of ssh.c for
- * IPv6 literal management, this should change in line
- * with it.
- */
- *colon++ = '\0';
- }
- }
-
- return NULL;
-}
-
-static void raw_free(void *handle)
-{
- Raw raw = (Raw) handle;
-
- if (raw->s)
- sk_close(raw->s);
- sfree(raw);
-}
-
-/*
- * Stub routine (we don't have any need to reconfigure this backend).
- */
-static void raw_reconfig(void *handle, Config *cfg)
-{
-}
-
-/*
- * Called to send data down the raw connection.
- */
-static int raw_send(void *handle, char *buf, int len)
-{
- Raw raw = (Raw) handle;
-
- if (raw->s == NULL)
- return 0;
-
- raw->bufsize = sk_write(raw->s, buf, len);
-
- return raw->bufsize;
-}
-
-/*
- * Called to query the current socket sendability status.
- */
-static int raw_sendbuffer(void *handle)
-{
- Raw raw = (Raw) handle;
- return raw->bufsize;
-}
-
-/*
- * Called to set the size of the window
- */
-static void raw_size(void *handle, int width, int height)
-{
- /* Do nothing! */
- return;
-}
-
-/*
- * Send raw special codes.
- */
-static void raw_special(void *handle, Telnet_Special code)
-{
- /* Do nothing! */
- return;
-}
-
-/*
- * Return a list of the special codes that make sense in this
- * protocol.
- */
-static const struct telnet_special *raw_get_specials(void *handle)
-{
- return NULL;
-}
-
-static int raw_connected(void *handle)
-{
- Raw raw = (Raw) handle;
- return raw->s != NULL;
-}
-
-static int raw_sendok(void *handle)
-{
- return 1;
-}
-
-static void raw_unthrottle(void *handle, int backlog)
-{
- Raw raw = (Raw) handle;
- sk_set_frozen(raw->s, backlog > RAW_MAX_BACKLOG);
-}
-
-static int raw_ldisc(void *handle, int option)
-{
- if (option == LD_EDIT || option == LD_ECHO)
- return 1;
- return 0;
-}
-
-static void raw_provide_ldisc(void *handle, void *ldisc)
-{
- /* This is a stub. */
-}
-
-static void raw_provide_logctx(void *handle, void *logctx)
-{
- /* This is a stub. */
-}
-
-static int raw_exitcode(void *handle)
-{
- Raw raw = (Raw) handle;
- if (raw->s != NULL)
- return -1; /* still connected */
- else
- /* Exit codes are a meaningless concept in the Raw protocol */
- return 0;
-}
-
-/*
- * cfg_info for Raw does nothing at all.
- */
-static int raw_cfg_info(void *handle)
-{
- return 0;
-}
-
-Backend raw_backend = {
- raw_init,
- raw_free,
- raw_reconfig,
- raw_send,
- raw_sendbuffer,
- raw_size,
- raw_special,
- raw_get_specials,
- raw_connected,
- raw_exitcode,
- raw_sendok,
- raw_ldisc,
- raw_provide_ldisc,
- raw_provide_logctx,
- raw_unthrottle,
- raw_cfg_info,
- "raw",
- PROT_RAW,
- 0
-};
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