fix missing SOCK_CLOEXEC in various functions that use sockets internally

diff --git a/src/network/getifaddrs.c b/src/network/getifaddrs.c
index a4c3178..a14ac1b 100644 (file)
--- a/src/network/getifaddrs.c
+++ b/src/network/getifaddrs.c
@@ -127,7 +127,7 @@ int getifaddrs(struct ifaddrs **ifap)
        }
        if_freenameindex(ii);
 
-       int sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
+       int sock = socket(PF_INET, SOCK_DGRAM|SOCK_CLOEXEC, IPPROTO_IP);
        if(sock == -1) goto err2;
        struct ifreq reqs[32]; /* arbitrary chosen boundary */
        struct ifconf conf = {.ifc_len = sizeof reqs, .ifc_req = reqs};

diff --git a/src/network/if_indextoname.c b/src/network/if_indextoname.c
index f18f17a..6ee7f13 100644 (file)
--- a/src/network/if_indextoname.c
+++ b/src/network/if_indextoname.c
@@ -10,7 +10,7 @@ char *if_indextoname(unsigned index, char *name)
        struct ifreq ifr;
        int fd, r;
 
-       if ((fd = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0) return 0;
+       if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0) return 0;
        ifr.ifr_ifindex = index;
        r = ioctl(fd, SIOCGIFNAME, &ifr);
        __syscall(SYS_close, fd);

diff --git a/src/network/if_nameindex.c b/src/network/if_nameindex.c
index cdb956c..ad0a766 100644 (file)
--- a/src/network/if_nameindex.c
+++ b/src/network/if_nameindex.c
@@ -47,7 +47,7 @@ struct if_nameindex *if_nameindex()
 {
        size_t n;
        void *p = 0;
-       int s = socket(AF_UNIX, SOCK_DGRAM, 0);
+       int s = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0);
        if (s>=0) {
                for (n=0; (p=do_nameindex(s, n)) == (void *)-1; n++);
                __syscall(SYS_close, s);

diff --git a/src/network/if_nametoindex.c b/src/network/if_nametoindex.c
index 419931f..fb4a147 100644 (file)
--- a/src/network/if_nametoindex.c
+++ b/src/network/if_nametoindex.c
@@ -10,7 +10,7 @@ unsigned if_nametoindex(const char *name)
        struct ifreq ifr;
        int fd, r;
 
-       if ((fd = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0) return -1;
+       if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0) return -1;
        strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
        r = ioctl(fd, SIOCGIFINDEX, &ifr);
        __syscall(SYS_close, fd);