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Lose any stray host bits that a user may have entered when providing

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a network number and netmask to the '-a' option.

Approved by:	ru
MFC after:	1 week
This commit is contained in:
Crist J. Clark 2001-07-02 15:26:47 +00:00
parent e5a44502dd
commit 6ca048f825
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=79089
1 changed files with 3 additions and 1 deletions
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4
usr.sbin/syslogd/syslogd.c
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@ -1873,9 +1873,9 @@ allowaddr(s)
if (res->ai_family == AF_INET) {
ap.a_mask.ss_len = sizeof(struct sockaddr_in);
maskp = &((struct sockaddr_in *)&ap.a_mask)->sin_addr;
addrp = &((struct sockaddr_in *)&ap.a_addr)->sin_addr;
if (masklen < 0) {
/* use default netmask */
addrp = &((struct sockaddr_in *)&ap.a_addr)->sin_addr;
if (IN_CLASSA(ntohl(addrp->s_addr)))
maskp->s_addr = htonl(IN_CLASSA_NET);
else if (IN_CLASSB(ntohl(addrp->s_addr)))
@ -1889,6 +1889,8 @@ allowaddr(s)
freeaddrinfo(res);
return -1;
}
/* Lose any host bits in the network number. */
addrp->s_addr &= maskp->s_addr;
}
#ifdef INET6
else if (res->ai_family == AF_INET6 && masklen <= 128) {