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Diffstat (limited to 'net/isc-dhcp40-server/files/patch-common::discover.c')
-rw-r--r--net/isc-dhcp40-server/files/patch-common::discover.c238
1 files changed, 0 insertions, 238 deletions
diff --git a/net/isc-dhcp40-server/files/patch-common::discover.c b/net/isc-dhcp40-server/files/patch-common::discover.c
deleted file mode 100644
index 1cfcc2094098..000000000000
--- a/net/isc-dhcp40-server/files/patch-common::discover.c
+++ /dev/null
@@ -1,238 +0,0 @@
---- common/discover.c.orig Fri Jul 25 21:44:15 2003
-+++ common/discover.c Fri Mar 5 23:33:04 2004
-@@ -47,6 +47,7 @@
- #endif /* not lint */
-
- #include "dhcpd.h"
-+#include <ifaddrs.h>
- #include <sys/ioctl.h>
-
- struct interface_info *interfaces, *dummy_interfaces, *fallback_interface;
-@@ -135,10 +136,7 @@
- {
- struct interface_info *tmp, *ip;
- struct interface_info *last, *next;
-- char buf [2048];
-- struct ifconf ic;
-- struct ifreq ifr;
-- int i;
-+ struct ifaddrs *ifap, *ifa;
- int sock;
- int address_count = 0;
- struct subnet *subnet;
-@@ -157,61 +155,6 @@
- if ((sock = socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0)
- log_fatal ("Can't create addrlist socket");
-
-- /* Get the interface configuration information... */
--
--#ifdef SIOCGIFCONF_ZERO_PROBE
-- /* linux will only tell us how long a buffer it wants if we give it
-- * a null buffer first. So, do a dry run to figure out the length.
-- *
-- * XXX this code is duplicated from below because trying to fold
-- * the logic into the if statement and goto resulted in excesssive
-- * obfuscation. The intent is that unless you run Linux you shouldn't
-- * have to deal with this. */
--
-- ic.ifc_len = 0;
-- ic.ifc_ifcu.ifcu_buf = (caddr_t)NULL;
--#else
-- /* otherwise, we just feed it a starting size, and it'll tell us if
-- * it needs more */
--
-- ic.ifc_len = sizeof buf;
-- ic.ifc_ifcu.ifcu_buf = (caddr_t)buf;
--#endif
--
-- gifconf_again:
-- i = ioctl(sock, SIOCGIFCONF, &ic);
--
-- if (i < 0)
-- log_fatal ("ioctl: SIOCGIFCONF: %m");
--
--#ifdef SIOCGIFCONF_ZERO_PROBE
-- /* Workaround for SIOCGIFCONF bug on some Linux versions. */
-- if (ic.ifc_ifcu.ifcu_buf == 0 && ic.ifc_len == 0) {
-- ic.ifc_len = sizeof buf;
-- ic.ifc_ifcu.ifcu_buf = (caddr_t)buf;
-- goto gifconf_again;
-- }
--#endif
--
-- /* If the SIOCGIFCONF resulted in more data than would fit in
-- a buffer, allocate a bigger buffer. */
-- if ((ic.ifc_ifcu.ifcu_buf == buf
--#ifdef SIOCGIFCONF_ZERO_PROBE
-- || ic.ifc_ifcu.ifcu_buf == 0
--#endif
-- ) && ic.ifc_len > sizeof buf) {
-- ic.ifc_ifcu.ifcu_buf = dmalloc ((size_t)ic.ifc_len, MDL);
-- if (!ic.ifc_ifcu.ifcu_buf)
-- log_fatal ("Can't allocate SIOCGIFCONF buffer.");
-- goto gifconf_again;
--#ifdef SIOCGIFCONF_ZERO_PROBE
-- } else if (ic.ifc_ifcu.ifcu_buf == 0) {
-- ic.ifc_ifcu.ifcu_buf = (caddr_t)buf;
-- ic.ifc_len = sizeof buf;
-- goto gifconf_again;
--#endif
-- }
--
-
- /* If we already have a list of interfaces, and we're running as
- a DHCP server, the interfaces were requested. */
-@@ -224,51 +167,38 @@
- else
- ir = INTERFACE_REQUESTED;
-
-+ if (getifaddrs(&ifap) != 0)
-+ log_fatal ("getifaddrs failed");
-+
- /* Cycle through the list of interfaces looking for IP addresses. */
-- for (i = 0; i < ic.ifc_len;) {
-- struct ifreq *ifp = (struct ifreq *)((caddr_t)ic.ifc_req + i);
--#ifdef HAVE_SA_LEN
-- if (ifp -> ifr_addr.sa_len > sizeof (struct sockaddr))
-- i += (sizeof ifp -> ifr_name) + ifp -> ifr_addr.sa_len;
-- else
--#endif
-- i += sizeof *ifp;
-+ for (ifa = ifap; ifa != NULL; ifa = ifa->ifa_next) {
-
- #ifdef ALIAS_NAMES_PERMUTED
-- if ((s = strrchr (ifp -> ifr_name, ':'))) {
-+ if ((s = strrchr (ifa -> ifa_name, ':'))) {
- *s = 0;
- }
- #endif
-
- #ifdef SKIP_DUMMY_INTERFACES
-- if (!strncmp (ifp -> ifr_name, "dummy", 5))
-+ if (!strncmp (ifa -> ifa_name, "dummy", 5))
- continue;
- #endif
-
--
-- /* See if this is the sort of interface we want to
-- deal with. */
-- strcpy (ifr.ifr_name, ifp -> ifr_name);
-- if (ioctl (sock, SIOCGIFFLAGS, &ifr) < 0)
-- log_fatal ("Can't get interface flags for %s: %m",
-- ifr.ifr_name);
--
- /* See if we've seen an interface that matches this one. */
- for (tmp = interfaces; tmp; tmp = tmp -> next)
-- if (!strcmp (tmp -> name, ifp -> ifr_name))
-+ if (!strcmp (tmp -> name, ifa -> ifa_name))
- break;
-
-- /* Skip non broadcast interfaces (plus loopback and
-- point-to-point in case an OS incorrectly marks them
-- as broadcast). Also skip down interfaces unless we're
-+ /* See if this is the sort of interface we want to
-+ deal with. Skip loopback, point-to-point and down
-+ interfaces, except don't skip down interfaces if we're
- trying to get a list of configurable interfaces. */
-- if (((!(ifr.ifr_flags & IFF_BROADCAST) ||
-- ifr.ifr_flags & IFF_LOOPBACK ||
-- ifr.ifr_flags & IFF_POINTOPOINT) && !tmp) ||
-- (!(ifr.ifr_flags & IFF_UP) &&
-+ if ((ifa->ifa_flags & IFF_LOOPBACK) ||
-+ (ifa->ifa_flags & IFF_POINTOPOINT) ||
-+ (!(ifa->ifa_flags & IFF_UP) &&
- state != DISCOVER_UNCONFIGURED))
- continue;
--
-+
- /* If there isn't already an interface by this name,
- allocate one. */
- if (!tmp) {
-@@ -276,9 +206,9 @@
- status = interface_allocate (&tmp, MDL);
- if (status != ISC_R_SUCCESS)
- log_fatal ("Error allocating interface %s: %s",
-- ifp -> ifr_name,
-+ ifa -> ifa_name,
- isc_result_totext (status));
-- strcpy (tmp -> name, ifp -> ifr_name);
-+ strcpy (tmp -> name, ifa -> ifa_name);
- interface_snorf (tmp, ir);
- interface_dereference (&tmp, MDL);
- tmp = interfaces; /* XXX */
-@@ -290,9 +220,9 @@
- /* If we have the capability, extract link information
- and record it in a linked list. */
- #ifdef HAVE_AF_LINK
-- if (ifp -> ifr_addr.sa_family == AF_LINK) {
-+ if (ifa -> ifa_addr->sa_family == AF_LINK) {
- struct sockaddr_dl *foo = ((struct sockaddr_dl *)
-- (&ifp -> ifr_addr));
-+ (ifa -> ifa_addr));
- #if defined (HAVE_SIN_LEN)
- tmp -> hw_address.hlen = foo -> sdl_alen;
- #else
-@@ -305,12 +235,11 @@
- } else
- #endif /* AF_LINK */
-
-- if (ifp -> ifr_addr.sa_family == AF_INET) {
-+ if (ifa -> ifa_addr->sa_family == AF_INET) {
- struct iaddr addr;
-
- /* Get a pointer to the address... */
-- memcpy (&foo, &ifp -> ifr_addr,
-- sizeof ifp -> ifr_addr);
-+ bcopy(ifa->ifa_addr, &foo, sizeof(foo));
-
- /* We don't want the loopback interface. */
- if (foo.sin_addr.s_addr == htonl (INADDR_LOOPBACK) &&
-@@ -323,16 +252,15 @@
- found, keep a pointer to ifreq structure in
- which we found it. */
- if (!tmp -> ifp) {
--#ifdef HAVE_SA_LEN
-- unsigned len = ((sizeof ifp -> ifr_name) +
-- ifp -> ifr_addr.sa_len);
--#else
-- unsigned len = sizeof *ifp;
--#endif
-+
-+ int len = (IFNAMSIZ +
-+ ifa -> ifa_addr->sa_len);
- tif = (struct ifreq *)dmalloc (len, MDL);
- if (!tif)
- log_fatal ("no space for ifp.");
-- memcpy (tif, ifp, len);
-+ strlcpy(tif->ifr_name, ifa->ifa_name, IFNAMSIZ);
-+ memcpy(&tif->ifr_addr, ifa->ifa_addr,
-+ ifa->ifa_addr->sa_len);
- tmp -> ifp = tif;
- tmp -> primary_address = foo.sin_addr;
- }
-@@ -346,9 +274,6 @@
- }
- }
-
-- /* If we allocated a buffer, free it. */
-- if (ic.ifc_ifcu.ifcu_buf != buf)
-- dfree (ic.ifc_ifcu.ifcu_buf, MDL);
-
- #if defined (LINUX_SLASHPROC_DISCOVERY)
- /* On Linux, interfaces that don't have IP addresses don't
-@@ -529,6 +454,7 @@
- be able to configure, we can quit now. */
- if (state == DISCOVER_UNCONFIGURED) {
- close (sock);
-+ freeifaddrs(ifap);
- return;
- }
-
-@@ -674,6 +600,7 @@
- }
-
- close (sock);
-+ freeifaddrs(ifap);
-
- if (state == DISCOVER_SERVER && wifcount == 0) {
- log_info ("%s", "");
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