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Completely remove the Unix Domain Socket support from BIND 9

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The Unix Domain Sockets support in BIND 9 has been completely disabled
since BIND 9.18 and it has been a fatal error since then.  Cleanup the
code and the documentation that suggest that Unix Domain Sockets are
supported.
This commit is contained in:
Ondřej Surý
2023-09-12 08:39:12 +02:00
committed by Ondřej Surý
parent 652f2725a0
commit 7aebbec653
14 changed files with 88 additions and 404 deletions
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35
lib/isc/sockaddr.c
View File

@@ -136,25 +136,6 @@ isc_sockaddr_totext(const isc_sockaddr_t *sockaddr, isc_buffer_t *target) {
snprintf(pbuf, sizeof(pbuf), "%u",
ntohs(sockaddr->type.sin6.sin6_port));
break;
case AF_UNIX:
plen = strlen(sockaddr->type.sunix.sun_path);
if (plen >= isc_buffer_availablelength(target)) {
return (ISC_R_NOSPACE);
}
isc_buffer_putmem(
target,
(const unsigned char *)sockaddr->type.sunix.sun_path,
plen);
/*
* Null terminate after used region.
*/
isc_buffer_availableregion(target, &avail);
INSIST(avail.length >= 1);
avail.base[0] = '\0';
return (ISC_R_SUCCESS);
default:
return (ISC_R_FAILURE);
}
@@ -460,19 +441,6 @@ isc_sockaddr_isnetzero(const isc_sockaddr_t *sockaddr) {
return (false);
}
isc_result_t
isc_sockaddr_frompath(isc_sockaddr_t *sockaddr, const char *path) {
if (strlen(path) >= sizeof(sockaddr->type.sunix.sun_path)) {
return (ISC_R_NOSPACE);
}
memset(sockaddr, 0, sizeof(*sockaddr));
sockaddr->length = sizeof(sockaddr->type.sunix);
sockaddr->type.sunix.sun_family = AF_UNIX;
strlcpy(sockaddr->type.sunix.sun_path, path,
sizeof(sockaddr->type.sunix.sun_path));
return (ISC_R_SUCCESS);
}
isc_result_t
isc_sockaddr_fromsockaddr(isc_sockaddr_t *isa, const struct sockaddr *sa) {
unsigned int length = 0;
@@ -484,9 +452,6 @@ isc_sockaddr_fromsockaddr(isc_sockaddr_t *isa, const struct sockaddr *sa) {
case AF_INET6:
length = sizeof(isa->type.sin6);
break;
case AF_UNIX:
length = sizeof(isa->type.sunix);
break;
default:
return (ISC_R_NOTIMPLEMENTED);
}