Rename most of the platform source files.

This gets rid of all those annoying 'win', 'ux' and 'gtk' prefixes which made filenames annoying to type and to tab-complete. Also, as with my other recent renaming sprees, I've taken the opportunity to expand and clarify some of the names so that they're not such cryptic abbreviations.
2025-07-18 11:31:00 -05:00 · 2021-04-23 06:19:05 +01:00
parent d9f217323e
commit f39c51f9a7
92 changed files with 127 additions and 124 deletions
--- a/windows/named-pipe-client.c
+++ b/windows/named-pipe-client.c
@ -0,0 +1,94 @@
+/*
+ * Windows support module which deals with being a named-pipe client.
+ */
+
+#include <stdio.h>
+#include <assert.h>
+
+#include "tree234.h"
+#include "putty.h"
+#include "network.h"
+#include "proxy.h"
+#include "ssh.h"
+
+#include "security-api.h"
+
+HANDLE connect_to_named_pipe(const char *pipename, char **err)
+{
+    HANDLE pipehandle;
+    PSID usersid, pipeowner;
+    PSECURITY_DESCRIPTOR psd;
+
+    assert(strncmp(pipename, "\\\\.\\pipe\\", 9) == 0);
+    assert(strchr(pipename + 9, '\\') == NULL);
+
+    while (1) {
+        pipehandle = CreateFile(pipename, GENERIC_READ | GENERIC_WRITE,
+                                0, NULL, OPEN_EXISTING,
+                                FILE_FLAG_OVERLAPPED, NULL);
+
+        if (pipehandle != INVALID_HANDLE_VALUE)
+            break;
+
+        if (GetLastError() != ERROR_PIPE_BUSY) {
+            *err = dupprintf(
+                "Unable to open named pipe '%s': %s",
+                pipename, win_strerror(GetLastError()));
+            return INVALID_HANDLE_VALUE;
+        }
+
+        /*
+         * If we got ERROR_PIPE_BUSY, wait for the server to
+         * create a new pipe instance. (Since the server is
+         * expected to be winnps.c, which will do that immediately
+         * after a previous connection is accepted, that shouldn't
+         * take excessively long.)
+         */
+        if (!WaitNamedPipe(pipename, NMPWAIT_USE_DEFAULT_WAIT)) {
+            *err = dupprintf(
+                "Error waiting for named pipe '%s': %s",
+                pipename, win_strerror(GetLastError()));
+            return INVALID_HANDLE_VALUE;
+        }
+    }
+
+    if ((usersid = get_user_sid()) == NULL) {
+        CloseHandle(pipehandle);
+        *err = dupprintf(
+            "Unable to get user SID: %s", win_strerror(GetLastError()));
+        return INVALID_HANDLE_VALUE;
+    }
+
+    if (p_GetSecurityInfo(pipehandle, SE_KERNEL_OBJECT,
+                          OWNER_SECURITY_INFORMATION,
+                          &pipeowner, NULL, NULL, NULL,
+                          &psd) != ERROR_SUCCESS) {
+        CloseHandle(pipehandle);
+        *err = dupprintf(
+            "Unable to get named pipe security information: %s",
+            win_strerror(GetLastError()));
+        return INVALID_HANDLE_VALUE;
+    }
+
+    if (!EqualSid(pipeowner, usersid)) {
+        CloseHandle(pipehandle);
+        LocalFree(psd);
+        *err = dupprintf(
+            "Owner of named pipe '%s' is not us", pipename);
+        return INVALID_HANDLE_VALUE;
+    }
+
+    LocalFree(psd);
+
+    return pipehandle;
+}
+
+Socket *new_named_pipe_client(const char *pipename, Plug *plug)
+{
+    char *err = NULL;
+    HANDLE pipehandle = connect_to_named_pipe(pipename, &err);
+    if (pipehandle == INVALID_HANDLE_VALUE)
+        return new_error_socket_consume_string(plug, err);
+    else
+        return make_handle_socket(pipehandle, pipehandle, NULL, plug, true);
+}