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[Qemu-devel] [PATCH v2 06/23] sockets: add unix_listen_opts
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PATCH v2 06/23] sockets: add unix_listen_opts |
Date: |
Thu, 10 Sep 2009 10:58:38 +0200 |
Add unix_listen_opts(). Does the same as unix_listen(), but uses
QemuOpts. unix_listen() is a compatibility wrapper for
unix_listen_opts() now and should go away some day.
Signed-off-by: Gerd Hoffmann <address@hidden>
---
qemu-sockets.c | 47 +++++++++++++++++++++++++++++++++--------------
qemu_socket.h | 1 +
2 files changed, 34 insertions(+), 14 deletions(-)
diff --git a/qemu-sockets.c b/qemu-sockets.c
index 732d3e0..6e212fe 100644
--- a/qemu-sockets.c
+++ b/qemu-sockets.c
@@ -329,11 +329,11 @@ int inet_connect(const char *str, int socktype)
#ifndef _WIN32
-int unix_listen(const char *str, char *ostr, int olen)
+int unix_listen_opts(QemuOpts *opts)
{
struct sockaddr_un un;
- char *path, *opts;
- int sock, fd, len;
+ const char *path = qemu_opt_get(opts, "path");
+ int sock, fd;
sock = socket(PF_UNIX, SOCK_STREAM, 0);
if (sock < 0) {
@@ -341,14 +341,6 @@ int unix_listen(const char *str, char *ostr, int olen)
return -1;
}
- opts = strchr(str, ',');
- if (opts) {
- len = opts - str;
- path = qemu_malloc(len+1);
- snprintf(path, len+1, "%.*s", len, str);
- } else
- path = qemu_strdup(str);
-
memset(&un, 0, sizeof(un));
un.sun_family = AF_UNIX;
if (path && strlen(path)) {
@@ -365,8 +357,8 @@ int unix_listen(const char *str, char *ostr, int olen)
* worst case possible is bind() failing, i.e. a DoS attack.
*/
fd = mkstemp(un.sun_path); close(fd);
+ qemu_opt_set(opts, "path", un.sun_path);
}
- snprintf(ostr, olen, "%s%s", un.sun_path, opts ? opts : "");
unlink(un.sun_path);
if (bind(sock, (struct sockaddr*) &un, sizeof(un)) < 0) {
@@ -380,11 +372,9 @@ int unix_listen(const char *str, char *ostr, int olen)
if (sockets_debug)
fprintf(stderr, "bind(unix:%s): OK\n", un.sun_path);
- qemu_free(path);
return sock;
err:
- qemu_free(path);
closesocket(sock);
return -1;
}
@@ -420,6 +410,35 @@ int unix_connect_opts(QemuOpts *opts)
}
/* compatibility wrapper */
+int unix_listen(const char *str, char *ostr, int olen)
+{
+ QemuOpts *opts;
+ char *path, *optstr;
+ int sock, len;
+
+ opts = qemu_opts_create(&dummy_opts, NULL, 0);
+
+ optstr = strchr(str, ',');
+ if (optstr) {
+ len = optstr - str;
+ if (len) {
+ path = qemu_malloc(len+1);
+ snprintf(path, len+1, "%.*s", len, str);
+ qemu_opt_set(opts, "path", path);
+ qemu_free(path);
+ }
+ } else {
+ qemu_opt_set(opts, "path", str);
+ }
+
+ sock = unix_listen_opts(opts);
+
+ if (sock != -1 && ostr)
+ snprintf(ostr, olen, "%s%s", qemu_opt_get(opts, "path"), optstr ?
optstr : "");
+ qemu_opts_del(opts);
+ return sock;
+}
+
int unix_connect(const char *path)
{
QemuOpts *opts;
diff --git a/qemu_socket.h b/qemu_socket.h
index 7ca4af7..354c114 100644
--- a/qemu_socket.h
+++ b/qemu_socket.h
@@ -40,6 +40,7 @@ int inet_listen(const char *str, char *ostr, int olen,
int socktype, int port_offset);
int inet_connect(const char *str, int socktype);
+int unix_listen_opts(QemuOpts *opts);
int unix_listen(const char *path, char *ostr, int olen);
int unix_connect_opts(QemuOpts *opts);
int unix_connect(const char *path);
--
1.6.2.5
- [Qemu-devel] [PATCH v2 00/23] switch sockets+chardev to QemuOpts., Gerd Hoffmann, 2009/09/10
- [Qemu-devel] [PATCH v2 04/23] convert file+pipe chardevs to QemuOpts., Gerd Hoffmann, 2009/09/10
- [Qemu-devel] [PATCH v2 01/23] QemuOpts: split option parser into two functions., Gerd Hoffmann, 2009/09/10
- [Qemu-devel] [PATCH v2 05/23] sockets: add unix_connect_opts, Gerd Hoffmann, 2009/09/10
- [Qemu-devel] [PATCH v2 03/23] switch chardev to QemuOpts: infrastructure, null device, Gerd Hoffmann, 2009/09/10
- [Qemu-devel] [PATCH v2 02/23] qemu-option.h include protectors, Gerd Hoffmann, 2009/09/10
- [Qemu-devel] [PATCH v2 06/23] sockets: add unix_listen_opts,
Gerd Hoffmann <=
- [Qemu-devel] [PATCH v2 14/23] convert braille chardev to QemuOpts., Gerd Hoffmann, 2009/09/10
- [Qemu-devel] [PATCH v2 08/23] sockets: add inet_connect_opts, Gerd Hoffmann, 2009/09/10
- [Qemu-devel] [PATCH v2 13/23] convert msmouse chardev to QemuOpts., Gerd Hoffmann, 2009/09/10
- [Qemu-devel] [PATCH v2 12/23] convert stdio chardev to QemuOpts., Gerd Hoffmann, 2009/09/10
- [Qemu-devel] [PATCH v2 11/23] convert pty chardev to QemuOpts., Gerd Hoffmann, 2009/09/10
- [Qemu-devel] [PATCH v2 10/23] convert unix+tcp chardevs to QemuOpts., Gerd Hoffmann, 2009/09/10
- [Qemu-devel] [PATCH v2 09/23] sockets: add inet_listen_opts, Gerd Hoffmann, 2009/09/10
- [Qemu-devel] [PATCH v2 15/23] convert windows console chardev to QemuOpts., Gerd Hoffmann, 2009/09/10
- [Qemu-devel] [PATCH v2 21/23] qdev: add parser for chardev properties, Gerd Hoffmann, 2009/09/10
- [Qemu-devel] [PATCH v2 17/23] convert vc chardev to QemuOpts., Gerd Hoffmann, 2009/09/10