Missing mailcap related files.

src/protocol/file/mailcap.c

@@ -0,0 +1,144 @@
+/* Internal "cgi" protocol implementation */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h> /* OS/2 needs this after sys/types.h */
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h> /* OS/2 needs this after sys/types.h */
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include "elinks.h"
+
+#include "config/options.h"
+#include "cookies/cookies.h"
+#include "intl/gettext/libintl.h"
+#include "mime/backend/common.h"
+#include "network/connection.h"
+#include "network/progress.h"
+#include "network/socket.h"
+#include "osdep/osdep.h"
+#include "osdep/sysname.h"
+#include "protocol/common.h"
+#include "protocol/file/mailcap.h"
+#include "protocol/http/http.h"
+#include "protocol/uri.h"
+#include "terminal/terminal.h"
+#include "util/conv.h"
+#include "util/env.h"
+#include "util/string.h"
+
+struct module mailcap_protocol_module = struct_module(
+	/* name: */		N_("Mailcap"),
+	/* options: */		NULL,
+	/* hooks: */		NULL,
+	/* submodules: */	NULL,
+	/* data: */		NULL,
+	/* init: */		NULL,
+	/* done: */		NULL
+);
+
+static void
+get_request(struct connection *conn)
+{
+	struct read_buffer *rb = alloc_read_buffer(conn->socket);
+
+	if (!rb) return;
+
+	memcpy(rb->data, "HTTP/1.0 200 OK\r\nContent-Type: text/plain\r\n\r\n", 45);
+	rb->length = 45;
+	rb->freespace -= 45;
+
+	conn->unrestartable = 1;
+
+	conn->socket->state = SOCKET_END_ONCLOSE;
+	read_from_socket(conn->socket, rb, connection_state(S_SENT),
+			 http_got_header);
+}
+
+void
+execute_mailcap(struct connection *conn)
+{
+	unsigned char *script, *ref;
+	pid_t pid;
+	struct connection_state state = connection_state(S_OK);
+	int pipe_read[2], check;
+
+	/* security checks */
+	if (!conn->referrer || conn->referrer->protocol != PROTOCOL_MAILCAP) {
+		goto bad;
+	}
+	ref = get_uri_string(conn->referrer, URI_DATA);
+	if (!ref) {
+		goto bad;
+	}
+	check = strcmp(ref, "elmailcap");
+	mem_free(ref);
+	if (check) goto bad;
+	
+	script = get_uri_string(conn->uri, URI_DATA);
+	if (!script) {
+		state = connection_state(S_OUT_OF_MEM);
+		goto end2;
+	}
+
+	if (c_pipe(pipe_read)) {
+		state = connection_state_for_errno(errno);
+		goto end1;
+	}
+
+	pid = fork();
+	if (pid < 0) {
+		state = connection_state_for_errno(errno);
+		goto end0;
+	}
+	if (!pid) {
+		if (dup2(pipe_read[1], STDOUT_FILENO) < 0) {
+			_exit(2);
+		}
+		/* We implicitly chain stderr to ELinks' stderr. */
+		close_all_non_term_fd();
+
+		if (execl("/bin/sh", "/bin/sh", "-c", script, (char *) NULL)) {
+			_exit(3);
+		}
+
+	} else { /* ELinks */
+		mem_free(script);
+
+		if (!init_http_connection_info(conn, 1, 0, 1)) {
+			close(pipe_read[0]); close(pipe_read[1]);
+			return;
+		}
+
+		close(pipe_read[1]);
+		conn->socket->fd = pipe_read[0];
+
+		/* Use data socket for passing the pipe. It will be cleaned up in
+	 	* close_pipe_and_read(). */
+		conn->data_socket->fd = -1;
+		conn->cgi = 1;
+		set_nonblocking_fd(conn->socket->fd);
+
+		get_request(conn);
+		return;
+	}
+
+end0:
+	close(pipe_read[0]); close(pipe_read[1]);
+end1:
+	mem_free(script);
+end2:
+	abort_connection(conn, state);
+	return;
+bad:
+	abort_connection(conn, connection_state(S_BAD_URL));
+}

src/protocol/file/mailcap.h

@@ -0,0 +1,10 @@
+#ifndef EL__PROTOCOL_FILE_MAILCAP_H
+#define EL__PROTOCOL_FILE_MAILCAP_H
+
+#include "main/module.h"
+#include "protocol/protocol.h"
+
+extern struct module mailcap_protocol_module;
+extern protocol_handler_T execute_mailcap;
+
+#endif