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* qemu-kvm unix domain patch: when accepting a connection, initialise

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the remote address / port to something sensible.  Otherwise
  simultaneous connections to the same guest port don't work properly.

svn path=/nixpkgs/trunk/; revision=16805
This commit is contained in:
Eelco Dolstra 2009-08-21 15:40:32 +00:00
parent c7eb810826
commit b67e9a0415
1 changed files with 101 additions and 9 deletions
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110
pkgs/os-specific/linux/qemu-kvm/unix-domain.patch
View file

@ -1,6 +1,6 @@
diff -rc qemu-kvm-0.11.0-rc1-orig/slirp/socket.c qemu-kvm-0.11.0-rc1/slirp/socket.c
diff -rc --exclude '*~' qemu-kvm-0.11.0-rc1-orig/slirp/socket.c qemu-kvm-0.11.0-rc1/slirp/socket.c
*** qemu-kvm-0.11.0-rc1-orig/slirp/socket.c 2009-08-02 15:38:42.000000000 +0200
--- qemu-kvm-0.11.0-rc1/slirp/socket.c 2009-08-05 18:09:20.000000000 +0200
--- qemu-kvm-0.11.0-rc1/slirp/socket.c 2009-08-21 17:11:21.000000000 +0200
***************
*** 587,592 ****
--- 587,593 ----
@ -30,9 +30,9 @@ diff -rc qemu-kvm-0.11.0-rc1-orig/slirp/socket.c qemu-kvm-0.11.0-rc1/slirp/socke
so->so_lport = lport; /* Kept in network format */
so->so_laddr.s_addr = laddr; /* Ditto */
! int unix_socket = ntohs(hport) >= 0xff00;
! so->so_uds = ntohs(hport) >= 0xff00;
! if (unix_socket) {
! if (so->so_uds) {
! addr_un.sun_family = AF_UNIX;
! sprintf(addr_un.sun_path, "./%d.socket", ntohs(hport));
! unlink(addr_un.sun_path);
@ -42,10 +42,10 @@ diff -rc qemu-kvm-0.11.0-rc1-orig/slirp/socket.c qemu-kvm-0.11.0-rc1/slirp/socke
! addr.sin_port = hport;
! }
!
! if (((s = socket(unix_socket ? PF_UNIX : AF_INET, SOCK_STREAM, 0)) < 0) ||
! if (((s = socket(so->so_uds ? PF_UNIX : AF_INET, SOCK_STREAM, 0)) < 0) ||
(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&opt,sizeof(int)) < 0) ||
! (bind(s, unix_socket ? (struct sockaddr *) &addr_un : (struct sockaddr *) &addr,
! unix_socket ? sizeof(addr_un) : sizeof(addr)) < 0) ||
! (bind(s, so->so_uds ? (struct sockaddr *) &addr_un : (struct sockaddr *) &addr,
! so->so_uds ? sizeof(addr_un) : sizeof(addr)) < 0) ||
(listen(s,1) < 0)) {
int tmperrno = errno; /* Don't clobber the real reason we failed */
@ -63,11 +63,11 @@ diff -rc qemu-kvm-0.11.0-rc1-orig/slirp/socket.c qemu-kvm-0.11.0-rc1/slirp/socke
so->s = s;
return so;
--- 652,668 ----
--- 653,669 ----
}
setsockopt(s,SOL_SOCKET,SO_OOBINLINE,(char *)&opt,sizeof(int));
! if (unix_socket) {
! if (so->so_uds) {
! so->so_fport = hport;
! so->so_faddr = slirp->vhost_addr;
! } else {
@ -81,3 +81,95 @@ diff -rc qemu-kvm-0.11.0-rc1-orig/slirp/socket.c qemu-kvm-0.11.0-rc1/slirp/socke
so->s = s;
return so;
diff -rc --exclude '*~' qemu-kvm-0.11.0-rc1-orig/slirp/socket.h qemu-kvm-0.11.0-rc1/slirp/socket.h
*** qemu-kvm-0.11.0-rc1-orig/slirp/socket.h 2009-08-02 15:38:42.000000000 +0200
--- qemu-kvm-0.11.0-rc1/slirp/socket.h 2009-08-21 17:02:36.000000000 +0200
***************
*** 33,39 ****
struct in_addr so_laddr; /* local host table entry */
u_int16_t so_fport; /* foreign port */
u_int16_t so_lport; /* local port */
!
u_int8_t so_iptos; /* Type of service */
u_int8_t so_emu; /* Is the socket emulated? */
--- 33,40 ----
struct in_addr so_laddr; /* local host table entry */
u_int16_t so_fport; /* foreign port */
u_int16_t so_lport; /* local port */
! int so_uds; /* foreign "port" is a unix domain socket */
!
u_int8_t so_iptos; /* Type of service */
u_int8_t so_emu; /* Is the socket emulated? */
diff -rc --exclude '*~' qemu-kvm-0.11.0-rc1-orig/slirp/tcp_subr.c qemu-kvm-0.11.0-rc1/slirp/tcp_subr.c
*** qemu-kvm-0.11.0-rc1-orig/slirp/tcp_subr.c 2009-08-02 15:38:42.000000000 +0200
--- qemu-kvm-0.11.0-rc1/slirp/tcp_subr.c 2009-08-21 17:21:37.000000000 +0200
***************
*** 382,388 ****
Slirp *slirp = inso->slirp;
struct socket *so;
struct sockaddr_in addr;
! socklen_t addrlen = sizeof(struct sockaddr_in);
struct tcpcb *tp;
int s, opt;
--- 382,389 ----
Slirp *slirp = inso->slirp;
struct socket *so;
struct sockaddr_in addr;
! struct sockaddr_un addr_un;
! socklen_t addrlen;
struct tcpcb *tp;
int s, opt;
***************
*** 412,418 ****
(void) tcp_mss(sototcpcb(so), 0);
! if ((s = accept(inso->s,(struct sockaddr *)&addr,&addrlen)) < 0) {
tcp_close(sototcpcb(so)); /* This will sofree() as well */
return;
}
--- 413,422 ----
(void) tcp_mss(sototcpcb(so), 0);
! addrlen = inso->so_uds ? sizeof(struct sockaddr_un) : sizeof(struct sockaddr_in);
!
! if ((inso->so_uds && (s = accept(inso->s, (struct sockaddr *) &addr_un, &addrlen)) < 0) ||
! (!inso->so_uds && (s = accept(inso->s, (struct sockaddr *) &addr, &addrlen)) < 0)) {
tcp_close(sototcpcb(so)); /* This will sofree() as well */
return;
}
***************
*** 424,434 ****
opt = 1;
setsockopt(s,IPPROTO_TCP,TCP_NODELAY,(char *)&opt,sizeof(int));
! so->so_fport = addr.sin_port;
! so->so_faddr = addr.sin_addr;
! /* Translate connections from localhost to the real hostname */
! if (so->so_faddr.s_addr == 0 || so->so_faddr.s_addr == loopback_addr.s_addr)
! so->so_faddr = slirp->vhost_addr;
/* Close the accept() socket, set right state */
if (inso->so_state & SS_FACCEPTONCE) {
--- 428,443 ----
opt = 1;
setsockopt(s,IPPROTO_TCP,TCP_NODELAY,(char *)&opt,sizeof(int));
! if (inso->so_uds) {
! so->so_fport = htons(s); /* use the fd number as the foreign port */
! so->so_faddr = slirp->vhost_addr;
! } else {
! so->so_fport = addr.sin_port;
! so->so_faddr = addr.sin_addr;
! /* Translate connections from localhost to the real hostname */
! if (so->so_faddr.s_addr == 0 || so->so_faddr.s_addr == loopback_addr.s_addr)
! so->so_faddr = slirp->vhost_addr;
! }
/* Close the accept() socket, set right state */
if (inso->so_state & SS_FACCEPTONCE) {