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- Log ----------------------------------------------------------------- commit 7a35d102cb321598a0bb9568dfc446a6362de7f8 Author: Michael Tremer michael.tremer@ipfire.org Date: Thu Sep 25 21:16:01 2014 +0200

dnsmasq: Update to 2.72

-----------------------------------------------------------------------

Summary of changes: lfs/dnsmasq | 8 +- src/patches/dnsmasq-2.71-support-nettle-3.0.patch | 65 ---------------- .../dnsmasq-2.71-use-nettle-with-minigmp.patch | 88 ---------------------- ...-Add-support-to-read-ISC-DHCP-lease-file.patch} | 30 +++++--- 4 files changed, 21 insertions(+), 170 deletions(-) delete mode 100644 src/patches/dnsmasq-2.71-support-nettle-3.0.patch delete mode 100644 src/patches/dnsmasq-2.71-use-nettle-with-minigmp.patch rename src/patches/{dnsmasq-2.70-Add-support-to-read-ISC-DHCP-lease-file.patch => dnsmasq-2.72rc2-Add-support-to-read-ISC-DHCP-lease-file.patch} (94%)

Difference in files: diff --git a/lfs/dnsmasq b/lfs/dnsmasq index 58b0017..60dabf4 100644 --- a/lfs/dnsmasq +++ b/lfs/dnsmasq @@ -24,7 +24,7 @@

include Config

-VER = 2.71 +VER = 2.72

THISAPP = dnsmasq-$(VER) DL_FILE = $(THISAPP).tar.xz @@ -42,7 +42,7 @@ objects = $(DL_FILE)

$(DL_FILE) = $(DL_FROM)/$(DL_FILE)

-$(DL_FILE)_MD5 = 9e2e4d59c75e71ee3ca817ff0f9be69e +$(DL_FILE)_MD5 = 0256e0a71e27c8d8a5c89a0d18f3cfe2

install : $(TARGET)

@@ -72,9 +72,7 @@ $(subst %,%_MD5,$(objects)) : $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects)) @$(PREBUILD) @rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE) - cd $(DIR_APP) && patch -Np1 -i $(DIR_SRC)/src/patches/dnsmasq-2.71-use-nettle-with-minigmp.patch - cd $(DIR_APP) && patch -Np1 -i $(DIR_SRC)/src/patches/dnsmasq-2.71-support-nettle-3.0.patch - cd $(DIR_APP) && patch -Np1 -i $(DIR_SRC)/src/patches/dnsmasq-2.70-Add-support-to-read-ISC-DHCP-lease-file.patch + cd $(DIR_APP) && patch -Np1 -i $(DIR_SRC)/src/patches/dnsmasq-2.72rc2-Add-support-to-read-ISC-DHCP-lease-file.patch cd $(DIR_APP) && sed -i src/config.h \ -e 's|/* #define HAVE_IDN */|#define HAVE_IDN|g' \ -e 's|/* #define HAVE_DNSSEC */|#define HAVE_DNSSEC|g' \ diff --git a/src/patches/dnsmasq-2.70-Add-support-to-read-ISC-DHCP-lease-file.patch b/src/patches/dnsmasq-2.70-Add-support-to-read-ISC-DHCP-lease-file.patch deleted file mode 100644 index 3194e1f..0000000 --- a/src/patches/dnsmasq-2.70-Add-support-to-read-ISC-DHCP-lease-file.patch +++ /dev/null @@ -1,365 +0,0 @@ -diff --git a/Makefile b/Makefile -index 292c8bd..5e0cdbe 100644 ---- a/Makefile -+++ b/Makefile -@@ -69,7 +69,7 @@ objs = cache.o rfc1035.o util.o option.o forward.o network.o \ - dnsmasq.o dhcp.o lease.o rfc2131.o netlink.o dbus.o bpf.o \ - helper.o tftp.o log.o conntrack.o dhcp6.o rfc3315.o \ - dhcp-common.o outpacket.o radv.o slaac.o auth.o ipset.o \ -- domain.o dnssec.o blockdata.o -+ domain.o dnssec.o blockdata.o isc.o - - hdrs = dnsmasq.h config.h dhcp-protocol.h dhcp6-protocol.h \ - dns-protocol.h radv-protocol.h ip6addr.h -diff --git a/src/cache.c b/src/cache.c -index 5cec918..1f5657f 100644 ---- a/src/cache.c -+++ b/src/cache.c -@@ -17,7 +17,7 @@ - #include "dnsmasq.h" - - static struct crec *cache_head = NULL, *cache_tail = NULL, **hash_table = NULL; --#ifdef HAVE_DHCP -+#if (defined HAVE_DHCP) || (defined HAVE_ISC_READER) - static struct crec *dhcp_spare = NULL; - #endif - static struct crec *new_chain = NULL; -@@ -222,6 +222,9 @@ static void cache_free(struct crec *crecp) - crecp->flags &= ~F_BIGNAME; - } - -+ if (crecp->flags & F_DHCP) -+ free(crecp->name.namep); -+ - #ifdef HAVE_DNSSEC - cache_blockdata_free(crecp); - #endif -@@ -1110,7 +1113,7 @@ void cache_reload(void) - total_size = read_hostsfile(ah->fname, ah->index, total_size, (struct crec **)daemon->packet, revhashsz); - } - --#ifdef HAVE_DHCP -+#if (defined HAVE_DHCP) || (defined HAVE_ISC_READER) - struct in_addr a_record_from_hosts(char *name, time_t now) - { - struct crec *crecp = NULL; -@@ -1188,7 +1191,7 @@ void cache_add_dhcp_entry(char *host_name, int prot, - addrlen = sizeof(struct in6_addr); - } - #endif -- -+ - inet_ntop(prot, host_address, daemon->addrbuff, ADDRSTRLEN); - - while ((crec = cache_find_by_name(crec, host_name, 0, flags | F_CNAME))) -@@ -1253,7 +1256,11 @@ void cache_add_dhcp_entry(char *host_name, int prot, - else - crec->ttd = ttd; - crec->addr.addr = *host_address; -+#ifdef HAVE_ISC_READER -+ crec->name.namep = strdup(host_name); -+#else - crec->name.namep = host_name; -+#endif - crec->uid = next_uid(); - cache_hash(crec); - -diff --git a/src/dnsmasq.c b/src/dnsmasq.c -index 1c96a0e..156ac9a 100644 ---- a/src/dnsmasq.c -+++ b/src/dnsmasq.c -@@ -934,6 +934,11 @@ int main (int argc, char **argv) - - poll_resolv(0, daemon->last_resolv != 0, now); - daemon->last_resolv = now; -+ -+#ifdef HAVE_ISC_READER -+ if (daemon->lease_file && !daemon->dhcp) -+ load_dhcp(now); -+#endif - } - - if (FD_ISSET(piperead, &rset)) -diff --git a/src/dnsmasq.h b/src/dnsmasq.h -index 3032546..a40b2a9 100644 ---- a/src/dnsmasq.h -+++ b/src/dnsmasq.h -@@ -1447,3 +1447,8 @@ void slaac_add_addrs(struct dhcp_lease *lease, time_t now, int force); - time_t periodic_slaac(time_t now, struct dhcp_lease *leases); - void slaac_ping_reply(struct in6_addr *sender, unsigned char *packet, char *interface, struct dhcp_lease *leases); - #endif -+ -+/* isc.c */ -+#ifdef HAVE_ISC_READER -+void load_dhcp(time_t now); -+#endif -diff --git a/src/isc.c b/src/isc.c -new file mode 100644 -index 0000000..5106442 ---- /dev/null -+++ b/src/isc.c -@@ -0,0 +1,251 @@ -+/* dnsmasq is Copyright (c) 2014 John Volpe, Simon Kelley and -+ Michael Tremer -+ -+ This program is free software; you can redistribute it and/or modify -+ it under the terms of the GNU General Public License as published by -+ the Free Software Foundation; version 2 dated June, 1991, or -+ (at your option) version 3 dated 29 June, 2007. -+ -+ This program is distributed in the hope that it will be useful, -+ but WITHOUT ANY WARRANTY; without even the implied warranty of -+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ GNU General Public License for more details. -+ -+ You should have received a copy of the GNU General Public License -+ along with this program. If not, see http://www.gnu.org/licenses/. -+ -+ Code in this file is based on contributions by John Volpe and -+ Simon Kelley. Updated for recent versions of dnsmasq by -+ Michael Tremer. -+*/ -+ -+#include "dnsmasq.h" -+ -+#ifdef HAVE_ISC_READER -+#define MAXTOK 50 -+ -+struct isc_dhcp_lease { -+ char* name; -+ char* fqdn; -+ time_t expires; -+ struct in_addr addr; -+ struct isc_dhcp_lease* next; -+}; -+ -+static struct isc_dhcp_lease* dhcp_lease_new(const char* hostname) { -+ struct isc_dhcp_lease* lease = whine_malloc(sizeof(*lease)); -+ -+ lease->name = strdup(hostname); -+ if (daemon->domain_suffix) { -+ asprintf(&lease->fqdn, "%s.%s", hostname, daemon->domain_suffix); -+ } -+ lease->expires = 0; -+ lease->next = NULL; -+ -+ return lease; -+} -+ -+static void dhcp_lease_free(struct isc_dhcp_lease* lease) { -+ if (!lease) -+ return; -+ -+ if (lease->name) -+ free(lease->name); -+ if (lease->fqdn) -+ free(lease->fqdn); -+ free(lease); -+} -+ -+static int next_token(char* token, int buffsize, FILE* fp) { -+ int c, count = 0; -+ char* cp = token; -+ -+ while ((c = getc(fp)) != EOF) { -+ if (c == '#') { -+ do { -+ c = getc(fp); -+ } while (c != '\n' && c != EOF); -+ } -+ -+ if (c == ' ' || c == '\t' || c == '\n' || c == ';') { -+ if (count) -+ break; -+ } else if ((c != '"') && (count < buffsize - 1)) { -+ *cp++ = c; -+ count++; -+ } -+ } -+ -+ *cp = 0; -+ return count ? 1 : 0; -+} -+ -+static long get_utc_offset() { -+ time_t t = time(NULL); -+ struct tm* time_struct = localtime(&t); -+ -+ return time_struct->tm_gmtoff; -+} -+ -+static time_t parse_lease_time(const char* token_date, const char* token_time) { -+ time_t time = (time_t)(-1); -+ struct tm lease_time; -+ -+ if (sscanf(token_date, "%d/%d/%d", &lease_time.tm_year, &lease_time.tm_mon, &lease_time.tm_mday) == 3) { -+ lease_time.tm_year -= 1900; -+ lease_time.tm_mon -= 1; -+ -+ if (sscanf(token_time, "%d:%d:%d", &lease_time.tm_hour, &lease_time.tm_min, &lease_time.tm_sec) == 3) { -+ time = mktime(&lease_time) + get_utc_offset(); -+ } -+ } -+ -+ return time; -+} -+ -+static struct isc_dhcp_lease* find_lease(const char* hostname, struct isc_dhcp_lease* leases) { -+ struct isc_dhcp_lease* lease = leases; -+ -+ while (lease) { -+ if (strcmp(hostname, lease->name) == 0) { -+ return lease; -+ } -+ lease = lease->next; -+ } -+ -+ return NULL; -+} -+ -+static off_t lease_file_size = (off_t)0; -+static ino_t lease_file_inode = (ino_t)0; -+ -+void load_dhcp(time_t now) { -+ struct isc_dhcp_lease* leases = NULL; -+ -+ struct stat statbuf; -+ if (stat(daemon->lease_file, &statbuf) == -1) { -+ return; -+ } -+ -+ /* Do nothing if the lease file has not changed. */ -+ if ((statbuf.st_size <= lease_file_size) && (statbuf.st_ino == lease_file_inode)) -+ return; -+ -+ lease_file_size = statbuf.st_size; -+ lease_file_inode = statbuf.st_ino; -+ -+ FILE* fp = fopen(daemon->lease_file, "r"); -+ if (!fp) { -+ my_syslog(LOG_ERR, _("failed to load %s:%s"), daemon->lease_file, strerror(errno)); -+ return; -+ } -+ -+ my_syslog(LOG_INFO, _("reading %s"), daemon->lease_file); -+ -+ char* hostname = daemon->namebuff; -+ struct in_addr host_address; -+ time_t time_starts = -1; -+ time_t time_ends = -1; -+ int nomem; -+ -+ char token[MAXTOK]; -+ while ((next_token(token, MAXTOK, fp))) { -+ if (strcmp(token, "lease") == 0) { -+ hostname[0] = '\0'; -+ -+ if (next_token(token, MAXTOK, fp) && ((host_address.s_addr = inet_addr(token)) != (in_addr_t)-1)) { -+ if (next_token(token, MAXTOK, fp) && *token == '{') { -+ while (next_token(token, MAXTOK, fp) && *token != '}') { -+ if ((strcmp(token, "client-hostname") == 0) || (strcmp(token, "hostname") == 0)) { -+ if (next_token(hostname, MAXDNAME, fp)) { -+ if (!canonicalise(hostname, &nomem)) { -+ *hostname = 0; -+ my_syslog(LOG_ERR, _("bad name in %s"), daemon->lease_file); -+ } -+ } -+ } else if ((strcmp(token, "starts") == 0) || (strcmp(token, "ends") == 0)) { -+ char token_date[MAXTOK]; -+ char token_time[MAXTOK]; -+ -+ int is_starts = strcmp(token, "starts") == 0; -+ -+ // Throw away the weekday and parse the date. -+ if (next_token(token, MAXTOK, fp) && next_token(token_date, MAXTOK, fp) && next_token(token_time, MAXTOK, fp)) { -+ time_t time = parse_lease_time(token_date, token_time); -+ -+ if (is_starts) -+ time_starts = time; -+ else -+ time_ends = time; -+ } -+ } -+ } -+ -+ if (!*hostname) -+ continue; -+ -+ if ((time_starts == -1) || (time_ends == -1)) -+ continue; -+ -+ if (difftime(now, time_ends) > 0) -+ continue; -+ -+ char* dot = strchr(hostname, '.'); -+ if (dot) { -+ if (!daemon->domain_suffix || hostname_isequal(dot + 1, daemon->domain_suffix)) { -+ my_syslog(LOG_WARNING, -+ _("Ignoring DHCP lease for %s because it has an illegal domain part"), -+ hostname); -+ continue; -+ } -+ *dot = 0; -+ } -+ -+ // Search for an existing lease in the list -+ // with the given host name and update the data -+ // if needed. -+ struct isc_dhcp_lease* lease = find_lease(hostname, leases); -+ -+ // If no lease already exists, we create a new one -+ // and append it to the list. -+ if (!lease) { -+ lease = dhcp_lease_new(hostname); -+ -+ lease->next = leases; -+ leases = lease; -+ } -+ -+ // Only update more recent leases. -+ if (lease->expires > time_ends) -+ continue; -+ -+ lease->addr = host_address; -+ lease->expires = time_ends; -+ } -+ } -+ } -+ } -+ -+ fclose(fp); -+ -+ // Drop all entries. -+ cache_unhash_dhcp(); -+ -+ while (leases) { -+ struct isc_dhcp_lease *lease = leases; -+ leases = lease->next; -+ -+ if (lease->fqdn) { -+ cache_add_dhcp_entry(lease->fqdn, AF_INET, (struct all_addr*)&lease->addr.s_addr, lease->expires); -+ } -+ -+ if (lease->name) { -+ cache_add_dhcp_entry(lease->name, AF_INET, (struct all_addr*)&lease->addr.s_addr, lease->expires); -+ } -+ -+ // Cleanup -+ dhcp_lease_free(lease); -+ } -+} -+ -+#endif -diff --git a/src/option.c b/src/option.c -index daa728f..d16c982 100644 ---- a/src/option.c -+++ b/src/option.c -@@ -1642,7 +1642,7 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma - ret_err(_("bad MX target")); - break; - --#ifdef HAVE_DHCP -+#if (defined HAVE_DHCP) || (defined HAVE_ISC_READER) - case 'l': /* --dhcp-leasefile */ - daemon->lease_file = opt_string_alloc(arg); - break; diff --git a/src/patches/dnsmasq-2.71-support-nettle-3.0.patch b/src/patches/dnsmasq-2.71-support-nettle-3.0.patch deleted file mode 100644 index 593a7cd..0000000 --- a/src/patches/dnsmasq-2.71-support-nettle-3.0.patch +++ /dev/null @@ -1,65 +0,0 @@ -From cdb755c5f16a6768c3e8b1f345fe15fc9244228d Mon Sep 17 00:00:00 2001 -From: Simon Kelley simon@thekelleys.org.uk -Date: Wed, 18 Jun 2014 20:52:53 +0100 -Subject: [PATCH] Fix FTBFS with Nettle-3.0. - ---- - CHANGELOG | 3 +++ - src/dnssec.c | 18 ++++++++++++------ - 2 files changed, 15 insertions(+), 6 deletions(-) - -diff --git a/src/dnssec.c b/src/dnssec.c -index 2ffb75d..69bfc29 100644 ---- a/src/dnssec.c -+++ b/src/dnssec.c -@@ -28,6 +28,12 @@ - #include <nettle/nettle-meta.h> - #include <nettle/bignum.h> - -+/* Nettle-3.0 moved to a new API for DSA. We use a name that's defined in the new API -+ to detect Nettle-3, and invoke the backwards compatibility mode. */ -+#ifdef dsa_params_init -+#include <nettle/dsa-compat.h> -+#endif -+ - - #define SERIAL_UNDEF -100 - #define SERIAL_EQ 0 -@@ -121,8 +127,8 @@ static int hash_init(const struct nettle_hash *hash, void **ctxp, unsigned char - return 1; - } - --static int rsa_verify(struct blockdata *key_data, unsigned int key_len, unsigned char *sig, size_t sig_len, -- unsigned char *digest, int algo) -+static int dnsmasq_rsa_verify(struct blockdata *key_data, unsigned int key_len, unsigned char *sig, size_t sig_len, -+ unsigned char *digest, int algo) - { - unsigned char *p; - size_t exp_len; -@@ -173,8 +179,8 @@ static int rsa_verify(struct blockdata *key_data, unsigned int key_len, unsigned - return 0; - } - --static int dsa_verify(struct blockdata *key_data, unsigned int key_len, unsigned char *sig, size_t sig_len, -- unsigned char *digest, int algo) -+static int dnsmasq_dsa_verify(struct blockdata *key_data, unsigned int key_len, unsigned char *sig, size_t sig_len, -+ unsigned char *digest, int algo) - { - unsigned char *p; - unsigned int t; -@@ -293,10 +299,10 @@ static int verify(struct blockdata *key_data, unsigned int key_len, unsigned cha - switch (algo) - { - case 1: case 5: case 7: case 8: case 10: -- return rsa_verify(key_data, key_len, sig, sig_len, digest, algo); -+ return dnsmasq_rsa_verify(key_data, key_len, sig, sig_len, digest, algo); - - case 3: case 6: -- return dsa_verify(key_data, key_len, sig, sig_len, digest, algo); -+ return dnsmasq_dsa_verify(key_data, key_len, sig, sig_len, digest, algo); - - #ifndef NO_NETTLE_ECC - case 13: case 14: --- -1.7.10.4 - diff --git a/src/patches/dnsmasq-2.71-use-nettle-with-minigmp.patch b/src/patches/dnsmasq-2.71-use-nettle-with-minigmp.patch deleted file mode 100644 index 374c9ec..0000000 --- a/src/patches/dnsmasq-2.71-use-nettle-with-minigmp.patch +++ /dev/null @@ -1,88 +0,0 @@ -From 063efb330a3f341c2548e2cf1f67f83e49cd6395 Mon Sep 17 00:00:00 2001 -From: Simon Kelley simon@thekelleys.org.uk -Date: Tue, 17 Jun 2014 19:49:31 +0100 -Subject: [PATCH] Build config: add -DNO_GMP for use with nettle/mini-gmp - ---- - Makefile | 2 +- - bld/pkg-wrapper | 9 +++++++-- - src/config.h | 7 +++++++ - src/dnssec.c | 3 ++- - 4 files changed, 17 insertions(+), 4 deletions(-) - -diff --git a/Makefile b/Makefile -index c58b50b..17eeb27 100644 ---- a/Makefile -+++ b/Makefile -@@ -61,7 +61,7 @@ lua_cflags = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_LUASCRIPT $(PKG_CON - lua_libs = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_LUASCRIPT $(PKG_CONFIG) --libs lua5.1` - nettle_cflags = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_DNSSEC $(PKG_CONFIG) --cflags nettle hogweed` - nettle_libs = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_DNSSEC $(PKG_CONFIG) --libs nettle hogweed` --gmp_libs = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_DNSSEC $(PKG_CONFIG) --copy -lgmp` -+gmp_libs = `echo $(COPTS) | $(top)/bld/pkg-wrapper HAVE_DNSSEC NO_GMP --copy -lgmp` - sunos_libs = `if uname | grep SunOS >/dev/null 2>&1; then echo -lsocket -lnsl -lposix4; fi` - version = -DVERSION='"`$(top)/bld/get-version $(top)`"' - -diff --git a/bld/pkg-wrapper b/bld/pkg-wrapper -index 9f9332d..0ddb678 100755 ---- a/bld/pkg-wrapper -+++ b/bld/pkg-wrapper -@@ -11,9 +11,14 @@ in=`cat` - - if grep "^#[[:space:]]*define[[:space:]]*$search" config.h >/dev/null 2>&1 || \ - echo $in | grep $search >/dev/null 2>&1; then -- -+# Nasty, nasty, in --copy, arg 2 is another config to search for, use with NO_GMP - if [ $op = "--copy" ]; then -- pkg="$*" -+ if grep "^#[[:space:]]*define[[:space:]]*$pkg" config.h >/dev/null 2>&1 || \ -+ echo $in | grep $pkg >/dev/null 2>&1; then -+ pkg="" -+ else -+ pkg="$*" -+ fi - elif grep "^#[[:space:]]*define[[:space:]]*${search}_STATIC" config.h >/dev/null 2>&1 || \ - echo $in | grep ${search}_STATIC >/dev/null 2>&1; then - pkg=`$pkg --static $op $*` -diff --git a/src/config.h b/src/config.h -index 2155544..ee6d218 100644 ---- a/src/config.h -+++ b/src/config.h -@@ -105,6 +105,8 @@ HAVE_AUTH - define this to include the facility to act as an authoritative DNS - server for one or more zones. - -+HAVE_DNSSEC -+ include DNSSEC validator. - - NO_IPV6 - NO_TFTP -@@ -118,6 +120,11 @@ NO_AUTH - which are enabled by default in the distributed source tree. Building dnsmasq - with something like "make COPTS=-DNO_SCRIPT" will do the trick. - -+NO_NETTLE_ECC -+ Don't include the ECDSA cypher in DNSSEC validation. Needed for older Nettle versions. -+NO_GMP -+ Don't use and link against libgmp, Useful if nettle is built with --enable-mini-gmp. -+ - LEASEFILE - CONFFILE - RESOLVFILE -diff --git a/src/dnssec.c b/src/dnssec.c -index 44d626b..2ffb75d 100644 ---- a/src/dnssec.c -+++ b/src/dnssec.c -@@ -26,7 +26,8 @@ - # include <nettle/ecc-curve.h> - #endif - #include <nettle/nettle-meta.h> --#include <gmp.h> -+#include <nettle/bignum.h> -+ - - #define SERIAL_UNDEF -100 - #define SERIAL_EQ 0 --- -1.7.10.4 - diff --git a/src/patches/dnsmasq-2.72rc2-Add-support-to-read-ISC-DHCP-lease-file.patch b/src/patches/dnsmasq-2.72rc2-Add-support-to-read-ISC-DHCP-lease-file.patch new file mode 100644 index 0000000..9912c7c --- /dev/null +++ b/src/patches/dnsmasq-2.72rc2-Add-support-to-read-ISC-DHCP-lease-file.patch @@ -0,0 +1,371 @@ +diff --git a/Makefile b/Makefile +index 58a7975..616c6b7 100644 +--- a/Makefile ++++ b/Makefile +@@ -69,7 +69,7 @@ objs = cache.o rfc1035.o util.o option.o forward.o network.o \ + dnsmasq.o dhcp.o lease.o rfc2131.o netlink.o dbus.o bpf.o \ + helper.o tftp.o log.o conntrack.o dhcp6.o rfc3315.o \ + dhcp-common.o outpacket.o radv.o slaac.o auth.o ipset.o \ +- domain.o dnssec.o blockdata.o tables.o loop.o ++ domain.o dnssec.o blockdata.o tables.o loop.o isc.o + + hdrs = dnsmasq.h config.h dhcp-protocol.h dhcp6-protocol.h \ + dns-protocol.h radv-protocol.h ip6addr.h +diff --git a/src/cache.c b/src/cache.c +index 2c3a498..77a7046 100644 +--- a/src/cache.c ++++ b/src/cache.c +@@ -17,7 +17,7 @@ + #include "dnsmasq.h" + + static struct crec *cache_head = NULL, *cache_tail = NULL, **hash_table = NULL; +-#ifdef HAVE_DHCP ++#if (defined HAVE_DHCP) || (defined HAVE_ISC_READER) + static struct crec *dhcp_spare = NULL; + #endif + static struct crec *new_chain = NULL; +@@ -222,6 +222,9 @@ static void cache_free(struct crec *crecp) + crecp->flags &= ~F_BIGNAME; + } + ++ if (crecp->flags & F_DHCP) ++ free(crecp->name.namep); ++ + #ifdef HAVE_DNSSEC + cache_blockdata_free(crecp); + #endif +@@ -1110,7 +1113,7 @@ void cache_reload(void) + total_size = read_hostsfile(ah->fname, ah->index, total_size, (struct crec **)daemon->packet, revhashsz); + } + +-#ifdef HAVE_DHCP ++#if (defined HAVE_DHCP) || (defined HAVE_ISC_READER) + struct in_addr a_record_from_hosts(char *name, time_t now) + { + struct crec *crecp = NULL; +@@ -1188,7 +1191,7 @@ void cache_add_dhcp_entry(char *host_name, int prot, + addrlen = sizeof(struct in6_addr); + } + #endif +- ++ + inet_ntop(prot, host_address, daemon->addrbuff, ADDRSTRLEN); + + while ((crec = cache_find_by_name(crec, host_name, 0, flags | F_CNAME))) +@@ -1253,7 +1256,11 @@ void cache_add_dhcp_entry(char *host_name, int prot, + else + crec->ttd = ttd; + crec->addr.addr = *host_address; ++#ifdef HAVE_ISC_READER ++ crec->name.namep = strdup(host_name); ++#else + crec->name.namep = host_name; ++#endif + crec->uid = next_uid(); + cache_hash(crec); + +diff --git a/src/dnsmasq.c b/src/dnsmasq.c +index f4a89fc..a448ec4 100644 +--- a/src/dnsmasq.c ++++ b/src/dnsmasq.c +@@ -940,6 +940,11 @@ int main (int argc, char **argv) + + poll_resolv(0, daemon->last_resolv != 0, now); + daemon->last_resolv = now; ++ ++#ifdef HAVE_ISC_READER ++ if (daemon->lease_file && !daemon->dhcp) ++ load_dhcp(now); ++#endif + } + + if (FD_ISSET(piperead, &rset)) +diff --git a/src/dnsmasq.h b/src/dnsmasq.h +index e74b15a..4a35168 100644 +--- a/src/dnsmasq.h ++++ b/src/dnsmasq.h +@@ -1463,9 +1463,13 @@ time_t periodic_slaac(time_t now, struct dhcp_lease *leases); + void slaac_ping_reply(struct in6_addr *sender, unsigned char *packet, char *interface, struct dhcp_lease *leases); + #endif + ++/* isc.c */ ++#ifdef HAVE_ISC_READER ++void load_dhcp(time_t now); ++#endif ++ + /* loop.c */ + #ifdef HAVE_LOOP + void loop_send_probes(); + int detect_loop(char *query, int type); + #endif +- +diff --git a/src/isc.c b/src/isc.c +new file mode 100644 +index 0000000..5106442 +--- /dev/null ++++ b/src/isc.c +@@ -0,0 +1,251 @@ ++/* dnsmasq is Copyright (c) 2014 John Volpe, Simon Kelley and ++ Michael Tremer ++ ++ This program is free software; you can redistribute it and/or modify ++ it under the terms of the GNU General Public License as published by ++ the Free Software Foundation; version 2 dated June, 1991, or ++ (at your option) version 3 dated 29 June, 2007. ++ ++ This program is distributed in the hope that it will be useful, ++ but WITHOUT ANY WARRANTY; without even the implied warranty of ++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ GNU General Public License for more details. ++ ++ You should have received a copy of the GNU General Public License ++ along with this program. If not, see http://www.gnu.org/licenses/. ++ ++ Code in this file is based on contributions by John Volpe and ++ Simon Kelley. Updated for recent versions of dnsmasq by ++ Michael Tremer. ++*/ ++ ++#include "dnsmasq.h" ++ ++#ifdef HAVE_ISC_READER ++#define MAXTOK 50 ++ ++struct isc_dhcp_lease { ++ char* name; ++ char* fqdn; ++ time_t expires; ++ struct in_addr addr; ++ struct isc_dhcp_lease* next; ++}; ++ ++static struct isc_dhcp_lease* dhcp_lease_new(const char* hostname) { ++ struct isc_dhcp_lease* lease = whine_malloc(sizeof(*lease)); ++ ++ lease->name = strdup(hostname); ++ if (daemon->domain_suffix) { ++ asprintf(&lease->fqdn, "%s.%s", hostname, daemon->domain_suffix); ++ } ++ lease->expires = 0; ++ lease->next = NULL; ++ ++ return lease; ++} ++ ++static void dhcp_lease_free(struct isc_dhcp_lease* lease) { ++ if (!lease) ++ return; ++ ++ if (lease->name) ++ free(lease->name); ++ if (lease->fqdn) ++ free(lease->fqdn); ++ free(lease); ++} ++ ++static int next_token(char* token, int buffsize, FILE* fp) { ++ int c, count = 0; ++ char* cp = token; ++ ++ while ((c = getc(fp)) != EOF) { ++ if (c == '#') { ++ do { ++ c = getc(fp); ++ } while (c != '\n' && c != EOF); ++ } ++ ++ if (c == ' ' || c == '\t' || c == '\n' || c == ';') { ++ if (count) ++ break; ++ } else if ((c != '"') && (count < buffsize - 1)) { ++ *cp++ = c; ++ count++; ++ } ++ } ++ ++ *cp = 0; ++ return count ? 1 : 0; ++} ++ ++static long get_utc_offset() { ++ time_t t = time(NULL); ++ struct tm* time_struct = localtime(&t); ++ ++ return time_struct->tm_gmtoff; ++} ++ ++static time_t parse_lease_time(const char* token_date, const char* token_time) { ++ time_t time = (time_t)(-1); ++ struct tm lease_time; ++ ++ if (sscanf(token_date, "%d/%d/%d", &lease_time.tm_year, &lease_time.tm_mon, &lease_time.tm_mday) == 3) { ++ lease_time.tm_year -= 1900; ++ lease_time.tm_mon -= 1; ++ ++ if (sscanf(token_time, "%d:%d:%d", &lease_time.tm_hour, &lease_time.tm_min, &lease_time.tm_sec) == 3) { ++ time = mktime(&lease_time) + get_utc_offset(); ++ } ++ } ++ ++ return time; ++} ++ ++static struct isc_dhcp_lease* find_lease(const char* hostname, struct isc_dhcp_lease* leases) { ++ struct isc_dhcp_lease* lease = leases; ++ ++ while (lease) { ++ if (strcmp(hostname, lease->name) == 0) { ++ return lease; ++ } ++ lease = lease->next; ++ } ++ ++ return NULL; ++} ++ ++static off_t lease_file_size = (off_t)0; ++static ino_t lease_file_inode = (ino_t)0; ++ ++void load_dhcp(time_t now) { ++ struct isc_dhcp_lease* leases = NULL; ++ ++ struct stat statbuf; ++ if (stat(daemon->lease_file, &statbuf) == -1) { ++ return; ++ } ++ ++ /* Do nothing if the lease file has not changed. */ ++ if ((statbuf.st_size <= lease_file_size) && (statbuf.st_ino == lease_file_inode)) ++ return; ++ ++ lease_file_size = statbuf.st_size; ++ lease_file_inode = statbuf.st_ino; ++ ++ FILE* fp = fopen(daemon->lease_file, "r"); ++ if (!fp) { ++ my_syslog(LOG_ERR, _("failed to load %s:%s"), daemon->lease_file, strerror(errno)); ++ return; ++ } ++ ++ my_syslog(LOG_INFO, _("reading %s"), daemon->lease_file); ++ ++ char* hostname = daemon->namebuff; ++ struct in_addr host_address; ++ time_t time_starts = -1; ++ time_t time_ends = -1; ++ int nomem; ++ ++ char token[MAXTOK]; ++ while ((next_token(token, MAXTOK, fp))) { ++ if (strcmp(token, "lease") == 0) { ++ hostname[0] = '\0'; ++ ++ if (next_token(token, MAXTOK, fp) && ((host_address.s_addr = inet_addr(token)) != (in_addr_t)-1)) { ++ if (next_token(token, MAXTOK, fp) && *token == '{') { ++ while (next_token(token, MAXTOK, fp) && *token != '}') { ++ if ((strcmp(token, "client-hostname") == 0) || (strcmp(token, "hostname") == 0)) { ++ if (next_token(hostname, MAXDNAME, fp)) { ++ if (!canonicalise(hostname, &nomem)) { ++ *hostname = 0; ++ my_syslog(LOG_ERR, _("bad name in %s"), daemon->lease_file); ++ } ++ } ++ } else if ((strcmp(token, "starts") == 0) || (strcmp(token, "ends") == 0)) { ++ char token_date[MAXTOK]; ++ char token_time[MAXTOK]; ++ ++ int is_starts = strcmp(token, "starts") == 0; ++ ++ // Throw away the weekday and parse the date. ++ if (next_token(token, MAXTOK, fp) && next_token(token_date, MAXTOK, fp) && next_token(token_time, MAXTOK, fp)) { ++ time_t time = parse_lease_time(token_date, token_time); ++ ++ if (is_starts) ++ time_starts = time; ++ else ++ time_ends = time; ++ } ++ } ++ } ++ ++ if (!*hostname) ++ continue; ++ ++ if ((time_starts == -1) || (time_ends == -1)) ++ continue; ++ ++ if (difftime(now, time_ends) > 0) ++ continue; ++ ++ char* dot = strchr(hostname, '.'); ++ if (dot) { ++ if (!daemon->domain_suffix || hostname_isequal(dot + 1, daemon->domain_suffix)) { ++ my_syslog(LOG_WARNING, ++ _("Ignoring DHCP lease for %s because it has an illegal domain part"), ++ hostname); ++ continue; ++ } ++ *dot = 0; ++ } ++ ++ // Search for an existing lease in the list ++ // with the given host name and update the data ++ // if needed. ++ struct isc_dhcp_lease* lease = find_lease(hostname, leases); ++ ++ // If no lease already exists, we create a new one ++ // and append it to the list. ++ if (!lease) { ++ lease = dhcp_lease_new(hostname); ++ ++ lease->next = leases; ++ leases = lease; ++ } ++ ++ // Only update more recent leases. ++ if (lease->expires > time_ends) ++ continue; ++ ++ lease->addr = host_address; ++ lease->expires = time_ends; ++ } ++ } ++ } ++ } ++ ++ fclose(fp); ++ ++ // Drop all entries. ++ cache_unhash_dhcp(); ++ ++ while (leases) { ++ struct isc_dhcp_lease *lease = leases; ++ leases = lease->next; ++ ++ if (lease->fqdn) { ++ cache_add_dhcp_entry(lease->fqdn, AF_INET, (struct all_addr*)&lease->addr.s_addr, lease->expires); ++ } ++ ++ if (lease->name) { ++ cache_add_dhcp_entry(lease->name, AF_INET, (struct all_addr*)&lease->addr.s_addr, lease->expires); ++ } ++ ++ // Cleanup ++ dhcp_lease_free(lease); ++ } ++} ++ ++#endif +diff --git a/src/option.c b/src/option.c +index 45d8875..29c9ee5 100644 +--- a/src/option.c ++++ b/src/option.c +@@ -1669,7 +1669,7 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma + ret_err(_("bad MX target")); + break; + +-#ifdef HAVE_DHCP ++#if (defined HAVE_DHCP) || (defined HAVE_ISC_READER) + case 'l': /* --dhcp-leasefile */ + daemon->lease_file = opt_string_alloc(arg); + break;

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