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-rw-r--r--camel/camel-stream-process.c273
1 files changed, 0 insertions, 273 deletions
diff --git a/camel/camel-stream-process.c b/camel/camel-stream-process.c
deleted file mode 100644
index 6a48ae40d0..0000000000
--- a/camel/camel-stream-process.c
+++ /dev/null
@@ -1,273 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; fill-column: 160 -*- */
-/* camel-stream-process.c : stream over piped process */
-
-/*
- * Copyright (C) 2003 Ximian Inc.
- *
- * Authors: David Woodhouse <dwmw2@infradead.org>,
- * Jeffrey Stedfast <fejj@ximian.com>
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <sys/wait.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <errno.h>
-#include <limits.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "camel-stream-process.h"
-#include "camel-file-utils.h"
-
-extern int camel_verbose_debug;
-
-static CamelObjectClass *parent_class = NULL;
-
-/* Returns the class for a CamelStream */
-#define CS_CLASS(so) CAMEL_STREAM_PROCESS_CLASS(CAMEL_OBJECT_GET_CLASS(so))
-
-/* dummy implementations, for a PROCESS stream */
-static ssize_t stream_read (CamelStream *stream, char *buffer, size_t n);
-static ssize_t stream_write (CamelStream *stream, const char *buffer, size_t n);
-static int stream_close (CamelStream *stream);
-static int stream_flush (CamelStream *stream);
-
-static void
-camel_stream_process_finalise (CamelObject *object)
-{
- /* Ensure we clean up after ourselves -- kill
- the child process and reap it. */
- stream_close (CAMEL_STREAM (object));
-}
-
-static void
-camel_stream_process_class_init (CamelStreamProcessClass *camel_stream_process_class)
-{
- CamelStreamClass *camel_stream_class = (CamelStreamClass *) camel_stream_process_class;
-
- parent_class = camel_type_get_global_classfuncs (CAMEL_OBJECT_TYPE);
-
- /* virtual method definition */
- camel_stream_class->read = stream_read;
- camel_stream_class->write = stream_write;
- camel_stream_class->close = stream_close;
- camel_stream_class->flush = stream_flush;
-}
-
-static void
-camel_stream_process_init (gpointer object, gpointer klass)
-{
- CamelStreamProcess *stream = CAMEL_STREAM_PROCESS (object);
-
- stream->sockfd = -1;
- stream->childpid = 0;
-}
-
-
-CamelType
-camel_stream_process_get_type (void)
-{
- static CamelType type = CAMEL_INVALID_TYPE;
-
- if (type == CAMEL_INVALID_TYPE) {
- type = camel_type_register (camel_stream_get_type (),
- "CamelStreamProcess",
- sizeof (CamelStreamProcess),
- sizeof (CamelStreamProcessClass),
- (CamelObjectClassInitFunc) camel_stream_process_class_init,
- NULL,
- (CamelObjectInitFunc) camel_stream_process_init,
- (CamelObjectFinalizeFunc) camel_stream_process_finalise);
- }
-
- return type;
-}
-
-/**
- * camel_stream_process_new:
- *
- * Returns a PROCESS stream.
- *
- * Return value: the stream
- **/
-CamelStream *
-camel_stream_process_new (void)
-{
- return (CamelStream *) camel_object_new (camel_stream_process_get_type ());
-}
-
-
-static ssize_t
-stream_read (CamelStream *stream, char *buffer, size_t n)
-{
- CamelStreamProcess *stream_process = CAMEL_STREAM_PROCESS (stream);
-
- return camel_read (stream_process->sockfd, buffer, n);
-}
-
-static ssize_t
-stream_write (CamelStream *stream, const char *buffer, size_t n)
-{
- CamelStreamProcess *stream_process = CAMEL_STREAM_PROCESS (stream);
-
- return camel_write (stream_process->sockfd, buffer, n);
-}
-
-static int
-stream_flush (CamelStream *stream)
-{
- return 0;
-}
-
-static int
-stream_close (CamelStream *object)
-{
- CamelStreamProcess *stream = CAMEL_STREAM_PROCESS (object);
-
- if (camel_verbose_debug)
- fprintf (stderr, "Process stream close. sockfd %d, childpid %d\n",
- stream->sockfd, stream->childpid);
-
- if (stream->sockfd != -1) {
- close (stream->sockfd);
- stream->sockfd = -1;
- }
-
- if (stream->childpid) {
- int ret, i;
- for (i = 0; i < 4; i++) {
- ret = waitpid (stream->childpid, NULL, WNOHANG);
- if (camel_verbose_debug)
- fprintf (stderr, "waitpid() for pid %d returned %d (errno %d)\n",
- stream->childpid, ret, ret == -1 ? errno : 0);
- if (ret == stream->childpid || errno == ECHILD)
- break;
- switch (i) {
- case 0:
- if (camel_verbose_debug)
- fprintf (stderr, "Sending SIGTERM to pid %d\n",
- stream->childpid);
- kill (stream->childpid, SIGTERM);
- break;
- case 2:
- if (camel_verbose_debug)
- fprintf (stderr, "Sending SIGKILL to pid %d\n",
- stream->childpid);
- kill (stream->childpid, SIGKILL);
- break;
- case 1:
- case 3:
- sleep (1);
- break;
- }
- }
-
- stream->childpid = 0;
- }
-
- return 0;
-}
-
-static void
-do_exec_command (int fd, const char *command, char **env)
-{
- int i, maxopen;
-
- /* Not a lot we can do if there's an error other than bail. */
- if (dup2 (fd, 0) == -1)
- exit (1);
- if (dup2 (fd, 1) == -1)
- exit (1);
-
- /* What to do with stderr? Possibly put it through a separate pipe
- and bring up a dialog box with its output if anything does get
- spewed to it? It'd help the user understand what was going wrong
- with their command, but it's hard to do cleanly. For now we just
- leave it as it is. Perhaps we should close it and reopen /dev/null? */
-
- maxopen = sysconf (_SC_OPEN_MAX);
- for (i = 3; i < maxopen; i++)
- fcntl (i, F_SETFD, FD_CLOEXEC);
-
- setsid ();
-#ifdef TIOCNOTTY
- /* Detach from the controlling tty if we have one. Otherwise,
- SSH might do something stupid like trying to use it instead
- of running $SSH_ASKPASS. Doh. */
- if ((fd = open ("/dev/tty", O_RDONLY)) != -1) {
- ioctl (fd, TIOCNOTTY, NULL);
- close (fd);
- }
-#endif /* TIOCNOTTY */
-
- /* Set up child's environment. We _add_ to it, don't use execle,
- because otherwise we'd destroy stuff like SSH_AUTH_SOCK etc. */
- for ( ; env && *env; env++) {
- char *eq = strchr (*env, '=');
-
- if (!eq) {
- unsetenv (*env);
- continue;
- }
-
- *eq++ = '\0';
-
- setenv (*env, eq, 1);
- }
-
- execl ("/bin/sh", "/bin/sh", "-c", command, NULL);
-
- if (camel_verbose_debug)
- fprintf (stderr, "exec failed %d\n", errno);
-
- exit (1);
-}
-
-int
-camel_stream_process_connect (CamelStreamProcess *stream, const char *command, const char **env)
-{
- int sockfds[2];
-
- if (stream->sockfd != -1 || stream->childpid)
- stream_close (CAMEL_STREAM (stream));
-
- if (socketpair (AF_UNIX, SOCK_STREAM, 0, sockfds))
- return -1;
-
- stream->childpid = fork ();
- if (!stream->childpid) {
- do_exec_command (sockfds[1], command, (char **)env);
- } else if (stream->childpid == -1) {
- close (sockfds[0]);
- close (sockfds[1]);
- stream->sockfd = -1;
- return -1;
- }
-
- close (sockfds[1]);
- stream->sockfd = sockfds[0];
-
- return 0;
-}
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