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-rw-r--r--source3/utils/smbfilter.c60
1 files changed, 43 insertions, 17 deletions
diff --git a/source3/utils/smbfilter.c b/source3/utils/smbfilter.c
index 3e683b96a1..f455f2df91 100644
--- a/source3/utils/smbfilter.c
+++ b/source3/utils/smbfilter.c
@@ -18,6 +18,7 @@
*/
#include "includes.h"
+#include "system/select.h"
#include "../lib/util/select.h"
#define SECURITY_MASK 0
@@ -191,17 +192,38 @@ static void filter_child(int c, struct sockaddr_storage *dest_ss)
}
while (c != -1 || s != -1) {
- fd_set fds;
- int num;
-
- FD_ZERO(&fds);
- if (s != -1) FD_SET(s, &fds);
- if (c != -1) FD_SET(c, &fds);
+ struct pollfd fds[2];
+ int num_fds, ret;
+
+ memset(fds, 0, sizeof(struct pollfd) * 2);
+ fds[0].fd = -1;
+ fds[1].fd = -1;
+ num_fds = 0;
+
+ if (s != -1) {
+ fds[num_fds].fd = s;
+ fds[num_fds].events = POLLIN|POLLHUP;
+ num_fds += 1;
+ }
+ if (c != -1) {
+ fds[num_fds].fd = c;
+ fds[num_fds].events = POLLIN|POLLHUP;
+ num_fds += 1;
+ }
- num = sys_select_intr(MAX(s+1, c+1),&fds,NULL,NULL,NULL);
- if (num <= 0) continue;
+ ret = sys_poll_intr(fds, num_fds, -1);
+ if (ret <= 0) {
+ continue;
+ }
- if (c != -1 && FD_ISSET(c, &fds)) {
+ /*
+ * find c in fds and see if it's readable
+ */
+ if ((c != -1) &&
+ (((fds[0].fd == c)
+ && (fds[0].revents & (POLLIN|POLLHUP|POLLERR))) ||
+ ((fds[1].fd == c)
+ && (fds[1].revents & (POLLIN|POLLHUP|POLLERR))))) {
size_t len;
if (!NT_STATUS_IS_OK(receive_smb_raw(
c, packet, sizeof(packet),
@@ -215,7 +237,15 @@ static void filter_child(int c, struct sockaddr_storage *dest_ss)
exit(1);
}
}
- if (s != -1 && FD_ISSET(s, &fds)) {
+
+ /*
+ * find s in fds and see if it's readable
+ */
+ if ((s != -1) &&
+ (((fds[0].fd == s)
+ && (fds[0].revents & (POLLIN|POLLHUP|POLLERR))) ||
+ ((fds[1].fd == s)
+ && (fds[1].revents & (POLLIN|POLLHUP|POLLERR))))) {
size_t len;
if (!NT_STATUS_IS_OK(receive_smb_raw(
s, packet, sizeof(packet),
@@ -263,16 +293,12 @@ static void start_filter(char *desthost)
}
while (1) {
- fd_set fds;
- int num;
+ int num, revents;
struct sockaddr_storage ss;
socklen_t in_addrlen = sizeof(ss);
- FD_ZERO(&fds);
- FD_SET(s, &fds);
-
- num = sys_select_intr(s+1,&fds,NULL,NULL,NULL);
- if (num > 0) {
+ num = poll_intr_one_fd(s, POLLIN|POLLHUP, -1, &revents);
+ if ((num > 0) && (revents & (POLLIN|POLLHUP|POLLERR))) {
c = accept(s, (struct sockaddr *)&ss, &in_addrlen);
if (c != -1) {
if (fork() == 0) {