Dynamic port forwarding by means of a local SOCKS server. Fully

[u/mdw/putty] / plink.c

diff --git a/plink.c b/plink.c
index 4db0de8..d61bbeb 100644 (file)
--- a/plink.c
+++ b/plink.c
@@ -62,8 +62,6 @@ void cmdline_error(char *p, ...)
     exit(1);
 }
 
-static char *password = NULL;
-
 HANDLE inhandle, outhandle, errhandle;
 DWORD orig_console_mode;
 
@@ -71,6 +69,7 @@ WSAEVENT netevent;
 
 static Backend *back;
 static void *backhandle;
+static Config cfg;
 
 int term_ldisc(Terminal *term, int mode)
 {
@@ -167,7 +166,8 @@ void try_output(int is_stderr)
     }
 }
 
-int from_backend(void *frontend_handle, int is_stderr, char *data, int len)
+int from_backend(void *frontend_handle, int is_stderr,
+                const char *data, int len)
 {
     int osize, esize;
 
@@ -207,6 +207,7 @@ static void usage(void)
     printf("  -batch    disable all interactive prompts\n");
     printf("The following options only apply to SSH connections:\n");
     printf("  -pw passw login with specified password\n");
+    printf("  -D listen-port   Dynamic SOCKS-based port forwarding\n");
     printf("  -L listen-port:host:port   Forward local port to "
           "remote address\n");
     printf("  -R listen-port:host:port   Forward remote port to"
@@ -296,7 +297,8 @@ int main(int argc, char **argv)
     while (--argc) {
        char *p = *++argv;
        if (*p == '-') {
-           int ret = cmdline_process_param(p, (argc > 1 ? argv[1] : NULL), 1);
+           int ret = cmdline_process_param(p, (argc > 1 ? argv[1] : NULL),
+                                           1, &cfg);
            if (ret == -2) {
                fprintf(stderr,
                        "plink: option \"%s\" requires an argument\n", p);
@@ -409,13 +411,13 @@ int main(int argc, char **argv)
                    while (*p) {
                        if (cmdlen >= cmdsize) {
                            cmdsize = cmdlen + 512;
-                           command = srealloc(command, cmdsize);
+                           command = sresize(command, cmdsize, char);
                        }
                        command[cmdlen++]=*p++;
                    }
                    if (cmdlen >= cmdsize) {
                        cmdsize = cmdlen + 512;
-                       command = srealloc(command, cmdsize);
+                       command = sresize(command, cmdsize, char);
                    }
                    command[cmdlen++]=' '; /* always add trailing space */
                    if (--argc) p = *++argv;
@@ -462,7 +464,7 @@ int main(int argc, char **argv)
     /*
      * Perform command-line overrides on session configuration.
      */
-    cmdline_run_saved();
+    cmdline_run_saved(&cfg);
 
     /*
      * Trim a colon suffix off the hostname if it's there.
@@ -540,14 +542,15 @@ int main(int argc, char **argv)
        int nodelay = cfg.tcp_nodelay &&
            (GetFileType(GetStdHandle(STD_INPUT_HANDLE)) == FILE_TYPE_CHAR);
 
-       error = back->init(NULL, &backhandle, cfg.host, cfg.port,
+       error = back->init(NULL, &backhandle, &cfg, cfg.host, cfg.port,
                           &realhost, nodelay);
        if (error) {
            fprintf(stderr, "Unable to open connection:\n%s", error);
            return 1;
        }
-       logctx = log_init(NULL);
+       logctx = log_init(NULL, &cfg);
        back->provide_logctx(backhandle, logctx);
+       console_provide_logctx(logctx);
        sfree(realhost);
     }
     connopen = 1;
@@ -649,7 +652,7 @@ int main(int argc, char **argv)
            /* Expand the buffer if necessary. */
            if (i > sksize) {
                sksize = i + 16;
-               sklist = srealloc(sklist, sksize * sizeof(*sklist));
+               sklist = sresize(sklist, sksize, SOCKET);
            }
 
            /* Retrieve the sockets into sklist. */