first pass

[PuTTY.git] / windows / winplink.c

diff --git a/windows/winplink.c b/windows/winplink.c
index 43f53bb0426829891504e07b911b9b870b660fd0..4747077776b4b88f2d0695175424d1039efdc1dc 100644 (file)
--- a/windows/winplink.c
+++ b/windows/winplink.c
@@ -11,6 +11,7 @@
 #include "putty.h"
 #include "storage.h"
 #include "tree234.h"
+#include "winsecur.h"
 
 #define WM_AGENT_CALLBACK (WM_APP + 4)
 
@@ -186,6 +187,8 @@ static void usage(void)
     printf("  -P port   connect to specified port\n");
     printf("  -l user   connect with specified username\n");
     printf("  -batch    disable all interactive prompts\n");
+    printf("  -proxycmd command\n");
+    printf("            use 'command' as local proxy\n");
     printf("  -sercfg configuration-string (e.g. 19200,8,n,1,X)\n");
     printf("            Specify the serial configuration (serial only)\n");
     printf("The following options only apply to SSH connections:\n");
@@ -212,13 +215,20 @@ static void usage(void)
     printf("  -N        don't start a shell/command (SSH-2 only)\n");
     printf("  -nc host:port\n");
     printf("            open tunnel in place of session (SSH-2 only)\n");
+    printf("  -sshlog file\n");
+    printf("  -sshrawlog file\n");
+    printf("            log protocol details to a file\n");
+    printf("  -shareexists\n");
+    printf("            test whether a connection-sharing upstream exists\n");
     exit(1);
 }
 
 static void version(void)
 {
-    printf("plink: %s\n", ver);
-    exit(1);
+    char *buildinfo_text = buildinfo("\n");
+    printf("plink: %s\n%s\n", ver, buildinfo_text);
+    sfree(buildinfo_text);
+    exit(0);
 }
 
 char *do_select(SOCKET skt, int startup)
@@ -303,8 +313,11 @@ int main(int argc, char **argv)
     int errors;
     int got_host = FALSE;
     int use_subsystem = 0;
+    int just_test_share_exists = FALSE;
     unsigned long now, next, then;
 
+    dll_hijacking_protection();
+
     sklist = NULL;
     skcount = sksize = 0;
     /*
@@ -364,6 +377,8 @@ int main(int argc, char **argv)
             } else if (!strcmp(p, "-pgpfp")) {
                 pgp_fingerprints();
                 exit(1);
+           } else if (!strcmp(p, "-shareexists")) {
+                just_test_share_exists = TRUE;
            } else {
                fprintf(stderr, "plink: unknown option \"%s\"\n", p);
                errors = 1;
@@ -593,9 +608,37 @@ int main(int argc, char **argv)
        return 1;
     }
 
+    /*
+     * Plink doesn't provide any way to add forwardings after the
+     * connection is set up, so if there are none now, we can safely set
+     * the "simple" flag.
+     */
+    if (conf_get_int(conf, CONF_protocol) == PROT_SSH &&
+       !conf_get_int(conf, CONF_x11_forward) &&
+       !conf_get_int(conf, CONF_agentfwd) &&
+       !conf_get_str_nthstrkey(conf, CONF_portfwd, 0))
+       conf_set_int(conf, CONF_ssh_simple, TRUE);
+
     logctx = log_init(NULL, conf);
     console_provide_logctx(logctx);
 
+    if (just_test_share_exists) {
+        if (!back->test_for_upstream) {
+            fprintf(stderr, "Connection sharing not supported for connection "
+                    "type '%s'\n", back->name);
+            return 1;
+        }
+        if (back->test_for_upstream(conf_get_str(conf, CONF_host),
+                                    conf_get_int(conf, CONF_port), conf))
+            return 0;
+        else
+            return 1;
+    }
+
+    if (restricted_acl) {
+       logevent(NULL, "Running with restricted process ACL");
+    }
+
     /*
      * Start up the connection.
      */