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slirp: Fix guestfwd for incoming data 

Unless a virtual server address was explicitly defined (which is
impossible with the legacy -net channel format), guestfwd did not
properly forwarded host->guest packets. This patch fixes it.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2009-07-22 17:03:52 +02:00 committed by Anthony Liguori
parent 9dfd7c7a00
commit bb53fc5394
3 changed files with 14 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
net.c
View File

@ -1150,7 +1150,7 @@ static void slirp_smb(SlirpState* s, Monitor *mon, const char *exported_dir,
snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s",
SMBD_COMMAND, smb_conf);
if (slirp_add_exec(s->slirp, 0, smb_cmdline, vserver_addr, 139) < 0) {
if (slirp_add_exec(s->slirp, 0, smb_cmdline, &vserver_addr, 139) < 0) {
slirp_smb_cleanup(s);
config_error(mon, "conflicting/invalid smbserver address\n");
}
@ -1239,16 +1239,17 @@ static void slirp_guestfwd(SlirpState *s, Monitor *mon, const char *config_str,
qemu_free(fwd);
return;
}
fwd->server = server;
fwd->port = port;
fwd->slirp = s->slirp;
if (slirp_add_exec(s->slirp, 3, fwd->hd, server, port) < 0) {
if (slirp_add_exec(s->slirp, 3, fwd->hd, &server, port) < 0) {
config_error(mon, "conflicting/invalid host:port in guest forwarding "
"rule '%s'\n", config_str);
qemu_free(fwd);
return;
}
fwd->server = server;
fwd->port = port;
fwd->slirp = s->slirp;
qemu_chr_add_handlers(fwd->hd, guestfwd_can_read, guestfwd_read,
NULL, fwd);
return;

2
slirp/libslirp.h
View File

@ -33,7 +33,7 @@ int slirp_add_hostfwd(Slirp *slirp, int is_udp,
int slirp_remove_hostfwd(Slirp *slirp, int is_udp,
struct in_addr host_addr, int host_port);
int slirp_add_exec(Slirp *slirp, int do_pty, const void *args,
struct in_addr guest_addr, int guest_port);
struct in_addr *guest_addr, int guest_port);
void slirp_connection_info(Slirp *slirp, Monitor *mon);

14
slirp/slirp.c
View File

@ -794,19 +794,19 @@ int slirp_add_hostfwd(Slirp *slirp, int is_udp, struct in_addr host_addr,
}
int slirp_add_exec(Slirp *slirp, int do_pty, const void *args,
struct in_addr guest_addr, int guest_port)
struct in_addr *guest_addr, int guest_port)
{
if (!guest_addr.s_addr) {
guest_addr.s_addr = slirp->vnetwork_addr.s_addr |
if (!guest_addr->s_addr) {
guest_addr->s_addr = slirp->vnetwork_addr.s_addr |
(htonl(0x0204) & ~slirp->vnetwork_mask.s_addr);
}
if ((guest_addr.s_addr & slirp->vnetwork_mask.s_addr) !=
if ((guest_addr->s_addr & slirp->vnetwork_mask.s_addr) !=
slirp->vnetwork_addr.s_addr ||
guest_addr.s_addr == slirp->vhost_addr.s_addr ||
guest_addr.s_addr == slirp->vnameserver_addr.s_addr) {
guest_addr->s_addr == slirp->vhost_addr.s_addr ||
guest_addr->s_addr == slirp->vnameserver_addr.s_addr) {
return -1;
}
return add_exec(&slirp->exec_list, do_pty, (char *)args, guest_addr,
return add_exec(&slirp->exec_list, do_pty, (char *)args, *guest_addr,
htons(guest_port));
}