diff --git a/dns/dnsmasq/Makefile b/dns/dnsmasq/Makefile index 19958b46de17..87fd6f3e2f5a 100644 --- a/dns/dnsmasq/Makefile +++ b/dns/dnsmasq/Makefile @@ -1,144 +1,144 @@ # Created by: Steven Honson PORTNAME= dnsmasq DISTVERSION= 2.86 # Leave the PORTREVISION in even if 0 to avoid accidental PORTEPOCH bumps: -PORTREVISION= 3 +PORTREVISION= 4 PORTEPOCH= 1 CATEGORIES= dns MASTER_SITES= https://www.thekelleys.org.uk/dnsmasq/ \ LOCAL/mandree/ MAINTAINER= mandree@FreeBSD.org COMMENT= Lightweight DNS forwarder, DHCP, and TFTP server LICENSE= GPLv2 USES= cpe shebangfix tar:xz CPE_VENDOR= thekelleys SHEBANG_FILES= contrib/dnslist/dnslist.pl \ contrib/dynamic-dnsmasq/dynamic-dnsmasq.pl MAKE_ARGS= CC="${CC}" \ CFLAGS="${CFLAGS}" \ COPTS="${CFLAGS}" \ LIBS="${LDFLAGS}" \ PREFIX="${PREFIX}" \ RPM_OPT_FLAGS="${CPPFLAGS}" CFLAGS+= -Wall -Wno-unused-function -Wno-unused-parameter \ -Wno-unused-value -Wno-unused-variable CPPFLAGS+= -I${LOCALBASE}/include CONFLICTS_INSTALL= dnsmasq-devel PATCH_STRIP= -p1 SUB_FILES= pkg-message PORTDOCS= CHANGELOG CHANGELOG.archive FAQ doc.html setup.html OPTIONS_DEFINE= DBUS DNSSEC DOCS IPSET IPV6 LUA OPTIONS_DEFAULT= DNSSEC IPSET OPTIONS_RADIO= INTL OPTIONS_RADIO_INTL= IDN NLS OPTIONS_EXCLUDE+= EXAMPLES DNSSEC_DESC= Enable DNSSEC caching and validation (needs nettle) IDN_DESC= IDN: Int'l Domain Names WITHOUT full NLS INTL_DESC= Internationalization Support Level IPSET_DESC= Dynamic firewall management of resolved names (needs PF) LUA_DESC= Support lease-change scripts written in Lua NLS_DESC= IDN+NLS: Int'l Domain Names & National Language support IPSET_CFLAGS_OFF= -DNO_IPSET IPV6_CFLAGS_OFF= -DNO_IPV6 .include .if ${PORT_OPTIONS:MNLS} USES+= gettext gmake iconv pkgconfig CFLAGS+= -DHAVE_LIBIDN2 LIB_DEPENDS+= libidn2.so:dns/libidn2 PLIST_SUB+= NLS="" ALL_TARGET= all-i18n _intllibs= -lidn2 -lintl .else _intllibs= PLIST_SUB+= NLS="@comment " .if ${PORT_OPTIONS:MIDN} USES+= iconv CFLAGS+= -DHAVE_LIBIDN2 LIB_DEPENDS+= libidn2.so:dns/libidn2 _intllibs+= -lidn2 .endif .endif .if ${PORT_OPTIONS:MDBUS} LIB_DEPENDS+= libdbus-1.so:devel/dbus USES+= pkgconfig CPPFLAGS+= `pkg-config --cflags dbus-1` CFLAGS+= -DHAVE_DBUS LDFLAGS+= `pkg-config --libs dbus-1` .endif .if ${PORT_OPTIONS:MLUA} CPPFLAGS+= -I${LUA_INCDIR} CFLAGS+= -DHAVE_LUASCRIPT LDFLAGS+= -L${LUA_LIBDIR} -llua-${LUA_VER} USES+= lua pkgconfig .endif .if ${PORT_OPTIONS:MDNSSEC} CFLAGS+= -DHAVE_DNSSEC -I${LOCALBASE}/include USES+= pkgconfig LIB_DEPENDS+= libgmp.so:math/gmp \ libnettle.so:security/nettle .endif USE_RC_SUBR= dnsmasq .include LDFLAGS+= -L${LOCALBASE}/lib ${_intllibs} ${ICONV_LIB} post-patch: ${REINPLACE_CMD} -e '/^lua_/s/lua5\.2/lua-${LUA_VER}/' ${WRKSRC}/Makefile pre-configure: pretty-print-config .if ${PORT_OPTIONS:MIDN} .if empty(PORT_OPTIONS:MNLS) @if ${READELF} -d ${LOCALBASE}/lib/libidn2.so \ | ${EGREP} -q '\.*\[libintl\.so' ; \ then ${ECHO} ; ${ECHO} 'WARNING: dns/libidn2 was compiled with NLS support!' ; \ ${ECHO} 'Recompile libidn2 WITHOUT_NLS to get rid of NLS dependencies.' ; ${ECHO} ; \ fi .else @${ECHO} 'WARNING: IDN and NLS enabled, building IDN WITH NLS.' .endif .endif do-install: ${INSTALL_PROGRAM} ${WRKSRC}/src/dnsmasq ${STAGEDIR}${PREFIX}/sbin ${INSTALL_DATA} ${WRKSRC}/dnsmasq.conf.example ${STAGEDIR}${PREFIX}/etc/dnsmasq.conf.sample ${REINPLACE_CMD} -i '' 's}%%PREFIX%%}${PREFIX}}' ${STAGEDIR}${PREFIX}/etc/dnsmasq.conf.sample ${INSTALL_MAN} ${WRKSRC}/man/${PORTNAME}.8 ${STAGEDIR}${PREFIX}/man/man8 ${MKDIR} ${STAGEDIR}${DATADIR} ${INSTALL_DATA} ${WRKSRC}/trust-anchors.conf ${STAGEDIR}${DATADIR}/ .if ${PORT_OPTIONS:MDOCS} @${MKDIR} ${STAGEDIR}${DOCSDIR} cd ${WRKSRC} && ${INSTALL_DATA} ${PORTDOCS} ${STAGEDIR}${DOCSDIR} .endif .if ${PORT_OPTIONS:MNLS} .for i in de es fi fr id it no pl pt_BR ro ${MKDIR} ${STAGEDIR}${PREFIX}/share/locale/${i}/LC_MESSAGES ${INSTALL_DATA} ${WRKSRC}/src/${i}.mo \ ${STAGEDIR}${PREFIX}/share/locale/${i}/LC_MESSAGES/${PORTNAME}.mo .endfor .endif ${MKDIR} ${STAGEDIR}${EXAMPLESDIR}/dynamic-dnsmasq ${STAGEDIR}${EXAMPLESDIR}/dnslist ${INSTALL_SCRIPT} ${WRKSRC}/contrib/dynamic-dnsmasq/dynamic-dnsmasq.pl ${STAGEDIR}${EXAMPLESDIR}/dynamic-dnsmasq/ ${INSTALL_SCRIPT} ${WRKSRC}/contrib/dnslist/dnslist.pl ${STAGEDIR}${EXAMPLESDIR}/dnslist/ ${INSTALL_DATA} ${WRKSRC}/contrib/dnslist/dhcp.css ${STAGEDIR}${EXAMPLESDIR}/dnslist/ ${INSTALL_DATA} ${WRKSRC}/contrib/dnslist/dnslist.tt2 ${STAGEDIR}${EXAMPLESDIR}/dnslist/ .include diff --git a/dns/dnsmasq/files/patch-CVE-2022-0934 b/dns/dnsmasq/files/patch-CVE-2022-0934 new file mode 100644 index 000000000000..c063e15b2e34 --- /dev/null +++ b/dns/dnsmasq/files/patch-CVE-2022-0934 @@ -0,0 +1,175 @@ +From dcc62a514092c8afeab4e502db9e65f03c2e1d47 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Petr=20Men=C5=A1=C3=ADk?= +Date: Tue, 22 Feb 2022 00:45:01 +0100 +Subject: [PATCH] Change message type by dedicated function + +Long-term pointer to beginning of message does not work well. I case +outpacket is reallocated in any new_opt6() section, original outmsgtypep +pointer becomes invalid. Instead of using that pointer use dedicated +function, which will change just the first byte of the message. + +This makes sure correct beginning of packet is always used. +--- + src/dnsmasq.h | 1 + + src/outpacket.c | 11 +++++++++++ + src/rfc3315.c | 29 ++++++++++++++--------------- + 3 files changed, 26 insertions(+), 15 deletions(-) + +diff --git a/src/dnsmasq.h b/src/dnsmasq.h +index 51a1aa6..c1c75c1 100644 +--- a/src/dnsmasq.h ++++ b/src/dnsmasq.h +@@ -1736,6 +1736,7 @@ void put_opt6_long(unsigned int val); + void put_opt6_short(unsigned int val); + void put_opt6_char(unsigned int val); + void put_opt6_string(char *s); ++void put_msgtype6(unsigned int val); + #endif + + /* radv.c */ +diff --git a/src/outpacket.c b/src/outpacket.c +index abb3a3a..f322811 100644 +--- a/src/outpacket.c ++++ b/src/outpacket.c +@@ -115,4 +115,15 @@ void put_opt6_string(char *s) + put_opt6(s, strlen(s)); + } + ++void put_msgtype6(unsigned int val) ++{ ++ if (outpacket_counter == 0) ++ put_opt6_char(val); ++ else ++ { ++ unsigned char *p = daemon->outpacket.iov_base; ++ *p = val; ++ } ++} ++ + #endif +diff --git a/src/rfc3315.c b/src/rfc3315.c +index cee8382..baeb51e 100644 +--- a/src/rfc3315.c ++++ b/src/rfc3315.c +@@ -110,7 +110,6 @@ static int dhcp6_maybe_relay(struct state *state, void *inbuff, size_t sz, + void *end = inbuff + sz; + void *opts = inbuff + 34; + int msg_type = *((unsigned char *)inbuff); +- unsigned char *outmsgtypep; + void *opt; + struct dhcp_vendor *vendor; + +@@ -192,9 +191,9 @@ static int dhcp6_maybe_relay(struct state *state, void *inbuff, size_t sz, + return 0; + + /* copy header stuff into reply message and set type to reply */ +- if (!(outmsgtypep = put_opt6(inbuff, 34))) ++ if (!put_opt6(inbuff, 34)) + return 0; +- *outmsgtypep = DHCP6RELAYREPL; ++ put_msgtype6(DHCP6RELAYREPL); + + /* look for relay options and set tags if found. */ + for (vendor = daemon->dhcp_vendors; vendor; vendor = vendor->next) +@@ -267,7 +266,7 @@ static int dhcp6_no_relay(struct state *state, int msg_type, void *inbuff, size_ + struct dhcp_netid *tagif; + struct dhcp_config *config = NULL; + struct dhcp_netid known_id, iface_id, v6_id; +- unsigned char *outmsgtypep; ++ unsigned char *xid; + struct dhcp_vendor *vendor; + struct dhcp_context *context_tmp; + struct dhcp_mac *mac_opt; +@@ -297,10 +296,10 @@ static int dhcp6_no_relay(struct state *state, int msg_type, void *inbuff, size_ + state->tags = &v6_id; + + /* copy over transaction-id, and save pointer to message type */ +- if (!(outmsgtypep = put_opt6(inbuff, 4))) ++ if (!(xid = put_opt6(inbuff, 4))) + return 0; + start_opts = save_counter(-1); +- state->xid = outmsgtypep[3] | outmsgtypep[2] << 8 | outmsgtypep[1] << 16; ++ state->xid = xid[3] | xid[2] << 8 | xid[1] << 16; + + /* We're going to be linking tags from all context we use. + mark them as unused so we don't link one twice and break the list */ +@@ -347,7 +346,7 @@ static int dhcp6_no_relay(struct state *state, int msg_type, void *inbuff, size_ + (msg_type == DHCP6REQUEST || msg_type == DHCP6RENEW || msg_type == DHCP6RELEASE || msg_type == DHCP6DECLINE)) + + { +- *outmsgtypep = DHCP6REPLY; ++ put_msgtype6(DHCP6REPLY); + o1 = new_opt6(OPTION6_STATUS_CODE); + put_opt6_short(DHCP6USEMULTI); + put_opt6_string("Use multicast"); +@@ -619,11 +618,11 @@ static int dhcp6_no_relay(struct state *state, int msg_type, void *inbuff, size_ + struct dhcp_netid *solicit_tags; + struct dhcp_context *c; + +- *outmsgtypep = DHCP6ADVERTISE; ++ put_msgtype6(DHCP6ADVERTISE); + + if (opt6_find(state->packet_options, state->end, OPTION6_RAPID_COMMIT, 0)) + { +- *outmsgtypep = DHCP6REPLY; ++ put_msgtype6(DHCP6REPLY); + state->lease_allocate = 1; + o = new_opt6(OPTION6_RAPID_COMMIT); + end_opt6(o); +@@ -809,7 +808,7 @@ static int dhcp6_no_relay(struct state *state, int msg_type, void *inbuff, size_ + int start = save_counter(-1); + + /* set reply message type */ +- *outmsgtypep = DHCP6REPLY; ++ put_msgtype6(DHCP6REPLY); + state->lease_allocate = 1; + + log6_quiet(state, "DHCPREQUEST", NULL, ignore ? _("ignored") : NULL); +@@ -924,7 +923,7 @@ static int dhcp6_no_relay(struct state *state, int msg_type, void *inbuff, size_ + int address_assigned = 0; + + /* set reply message type */ +- *outmsgtypep = DHCP6REPLY; ++ put_msgtype6(DHCP6REPLY); + + log6_quiet(state, msg_type == DHCP6RENEW ? "DHCPRENEW" : "DHCPREBIND", NULL, NULL); + +@@ -1057,7 +1056,7 @@ static int dhcp6_no_relay(struct state *state, int msg_type, void *inbuff, size_ + int good_addr = 0; + + /* set reply message type */ +- *outmsgtypep = DHCP6REPLY; ++ put_msgtype6(DHCP6REPLY); + + log6_quiet(state, "DHCPCONFIRM", NULL, NULL); + +@@ -1121,7 +1120,7 @@ static int dhcp6_no_relay(struct state *state, int msg_type, void *inbuff, size_ + log6_quiet(state, "DHCPINFORMATION-REQUEST", NULL, ignore ? _("ignored") : state->hostname); + if (ignore) + return 0; +- *outmsgtypep = DHCP6REPLY; ++ put_msgtype6(DHCP6REPLY); + tagif = add_options(state, 1); + break; + } +@@ -1130,7 +1129,7 @@ static int dhcp6_no_relay(struct state *state, int msg_type, void *inbuff, size_ + case DHCP6RELEASE: + { + /* set reply message type */ +- *outmsgtypep = DHCP6REPLY; ++ put_msgtype6(DHCP6REPLY); + + log6_quiet(state, "DHCPRELEASE", NULL, NULL); + +@@ -1195,7 +1194,7 @@ static int dhcp6_no_relay(struct state *state, int msg_type, void *inbuff, size_ + case DHCP6DECLINE: + { + /* set reply message type */ +- *outmsgtypep = DHCP6REPLY; ++ put_msgtype6(DHCP6REPLY); + + log6_quiet(state, "DHCPDECLINE", NULL, NULL); + +-- +2.34.1 +