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This commit is contained in:
purplerain 2023-08-16 22:26:55 +00:00
commit 2c0afcbbf3
Signed by: purplerain
GPG key ID: F42C07F07E2E35B7
64331 changed files with 5339189 additions and 0 deletions
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33
net/wide-dhcpv6/patches/patch-common_c Normal file
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@ -0,0 +1,33 @@
- Close file descriptors on exec
Avoid FD leakage to children.
--- common.c.orig Sun Jan 10 00:44:14 2016
+++ common.c Sun Jan 10 00:46:53 2016
@@ -1115,7 +1115,7 @@ getifhwaddr(const char *ifname, char *buf, u_int16_t *
(void) snprintf(fname, sizeof (fname), "/dev/%s", ifname);
getctl.maxlen = sizeof (getbuf);
getctl.buf = (char *)getbuf;
- if ((fd = open(fname, O_RDWR)) == -1) {
+ if ((fd = open(fname, O_RDWR | O_CLOEXEC)) == -1) {
dl_attach_req_t dlar;
cp = fname + strlen(fname) - 1;
@@ -1131,7 +1131,7 @@ getifhwaddr(const char *ifname, char *buf, u_int16_t *
cp++;
dlar.dl_ppa = atoi(cp);
*cp = '\0';
- if ((fd = open(fname, O_RDWR)) == -1)
+ if ((fd = open(fname, O_RDWR | O_CLOEXEC)) == -1)
return (-1);
dlar.dl_primitive = DL_ATTACH_REQ;
putctl.len = sizeof (dlar);
@@ -3292,7 +3292,7 @@ ifaddrconf(cmd, ifname, addr, plen, pltime, vltime)
return (-1);
}
- if ((s = socket(PF_INET6, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
+ if ((s = socket(PF_INET6, SOCK_DGRAM | SOCK_CLOEXEC, IPPROTO_UDP)) < 0) {
dprintf(LOG_ERR, FNAME, "can't open a temporary socket: %s",
strerror(errno));
return (-1);