diff options
| -rw-r--r-- | extensions/libxt_set.h | 7 | ||||
| -rw-r--r-- | libiptc/libiptc.c | 8 |
2 files changed, 15 insertions, 0 deletions
diff --git a/extensions/libxt_set.h b/extensions/libxt_set.h index 4ac84fa9..47c3f5b6 100644 --- a/extensions/libxt_set.h +++ b/extensions/libxt_set.h @@ -2,6 +2,7 @@ #define _LIBXT_SET_H #include <unistd.h> +#include <fcntl.h> #include <sys/types.h> #include <sys/socket.h> #include <errno.h> @@ -23,6 +24,12 @@ get_version(unsigned *version) xtables_error(OTHER_PROBLEM, "Can't open socket to ipset.\n"); + if (fcntl(sockfd, F_SETFD, FD_CLOEXEC) == -1) { + xtables_error(OTHER_PROBLEM, + "Could not set close on exec: %s\n", + strerror(errno)); + } + req_version.op = IP_SET_OP_VERSION; res = getsockopt(sockfd, SOL_IP, SO_IP_SET, &req_version, &size); if (res != 0) diff --git a/libiptc/libiptc.c b/libiptc/libiptc.c index 13e41d52..63965e73 100644 --- a/libiptc/libiptc.c +++ b/libiptc/libiptc.c @@ -29,6 +29,8 @@ * - performance work: speedup initial ruleset parsing. * - sponsored by ComX Networks A/S (http://www.comx.dk/) */ +#include <unistd.h> +#include <fcntl.h> #include <sys/types.h> #include <sys/socket.h> #include <stdbool.h> @@ -1316,6 +1318,12 @@ TC_INIT(const char *tablename) if (sockfd < 0) return NULL; + if (fcntl(sockfd, F_SETFD, FD_CLOEXEC) == -1) { + fprintf(stderr, "Could not set close on exec: %s\n", + strerror(errno)); + abort(); + } + retry: s = sizeof(info); |