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This commit is contained in:
Daniel Roethlisberger 2014-11-13 23:58:58 +01:00
parent dc7a3ee9e3
commit 8c21170cd3
1 changed files with 11 additions and 6 deletions
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15
nat.c
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@ -157,7 +157,8 @@ nat_pf_lookup_proc(pid_t *result, struct sockaddr *dst_addr, UNUSED socklen_t *d
if (!fds) { if (!fds) {
goto out2; goto out2;
} }
fd_count = proc_pidinfo(pid, PROC_PIDLISTFDS, 0, fds, sizeof(fds[0]) * fd_count); fd_count = proc_pidinfo(pid, PROC_PIDLISTFDS, 0, fds,
sizeof(fds[0]) * fd_count);
/* look for a matching socket file descriptor */ /* look for a matching socket file descriptor */
for (int j = 0; j < fd_count; j++) { for (int j = 0; j < fd_count; j++) {
@ -168,9 +169,11 @@ nat_pf_lookup_proc(pid_t *result, struct sockaddr *dst_addr, UNUSED socklen_t *d
continue; continue;
} }
if (proc_pidfdinfo(pid, fd->proc_fd, PROC_PIDFDSOCKETINFO, &sinfo, if (proc_pidfdinfo(pid, fd->proc_fd, PROC_PIDFDSOCKETINFO,
&sinfo,
sizeof(struct socket_fdinfo)) == -1) { sizeof(struct socket_fdinfo)) == -1) {
/* process may have exited or socket may have been released. */ /* process may have exited or socket may have
* been released. */
continue; continue;
} }
@ -179,7 +182,8 @@ nat_pf_lookup_proc(pid_t *result, struct sockaddr *dst_addr, UNUSED socklen_t *d
} }
uint16_t sock_fport = sinfo.psi.soi_proto.pri_tcp.tcpsi_ini.insi_fport; uint16_t sock_fport = sinfo.psi.soi_proto.pri_tcp.tcpsi_ini.insi_fport;
if (sinfo.psi.soi_family == AF_INET && dst_addr->sa_family == AF_INET) { if (sinfo.psi.soi_family == AF_INET &&
dst_addr->sa_family == AF_INET) {
struct sockaddr_in *dst_sai = (struct sockaddr_in *)dst_addr; struct sockaddr_in *dst_sai = (struct sockaddr_in *)dst_addr;
if (dst_sai->sin_addr.s_addr != sinfo.psi.soi_proto.pri_tcp.tcpsi_ini.insi_faddr.ina_46.i46a_addr4.s_addr) { if (dst_sai->sin_addr.s_addr != sinfo.psi.soi_proto.pri_tcp.tcpsi_ini.insi_faddr.ina_46.i46a_addr4.s_addr) {
continue; continue;
@ -188,7 +192,8 @@ nat_pf_lookup_proc(pid_t *result, struct sockaddr *dst_addr, UNUSED socklen_t *d
if (dst_sai->sin_port != sock_fport) { if (dst_sai->sin_port != sock_fport) {
continue; continue;
} }
} else if (sinfo.psi.soi_family == AF_INET6 && dst_addr->sa_family == AF_INET6) { } else if (sinfo.psi.soi_family == AF_INET6 &&
dst_addr->sa_family == AF_INET6) {
struct sockaddr_in6 *dst_sai = (struct sockaddr_in6 *)dst_addr; struct sockaddr_in6 *dst_sai = (struct sockaddr_in6 *)dst_addr;
if (memcmp(dst_sai->sin6_addr.s6_addr, sinfo.psi.soi_proto.pri_tcp.tcpsi_ini.insi_faddr.ina_6.s6_addr, 16) != 0) { if (memcmp(dst_sai->sin6_addr.s6_addr, sinfo.psi.soi_proto.pri_tcp.tcpsi_ini.insi_faddr.ina_6.s6_addr, 16) != 0) {
continue; continue;