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Reinhard Max
Git OBS Bridge
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33
dnsmasq-CVE-2019-14834.patch
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33
dnsmasq-CVE-2019-14834.patch
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@ -0,0 +1,33 @@
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X-Git-Url: http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=blobdiff_plain;f=src%2Fhelper.c;h=c392eeced3e73762d3ea6a2f9fa27ab5ae389241;hp=33ba120ab39e3788719a18796b5b58338972e1e8;hb=69bc94779c2f035a9fffdb5327a54c3aeca73ed5;hpb=3052ce208acf602f0163166dcefb7330d537cedb
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--- src/helper.c.orig
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+++ src/helper.c
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@@ -82,7 +82,8 @@ int create_helper(int event_fd, int err_
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pid_t pid;
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int i, pipefd[2];
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struct sigaction sigact;
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-
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+ unsigned char *alloc_buff = NULL;
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+
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/* create the pipe through which the main program sends us commands,
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then fork our process. */
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if (pipe(pipefd) == -1 || !fix_fd(pipefd[1]) || (pid = fork()) == -1)
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@@ -188,11 +189,16 @@ int create_helper(int event_fd, int err_
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struct script_data data;
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char *p, *action_str, *hostname = NULL, *domain = NULL;
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unsigned char *buf = (unsigned char *)daemon->namebuff;
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- unsigned char *end, *extradata, *alloc_buff = NULL;
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+ unsigned char *end, *extradata;
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int is6, err = 0;
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int pipeout[2];
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- free(alloc_buff);
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+ /* Free rarely-allocated memory from previous iteration. */
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+ if (alloc_buff)
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+ {
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+ free(alloc_buff);
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+ alloc_buff = NULL;
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+ }
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/* we read zero bytes when pipe closed: this is our signal to exit */
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if (!read_write(pipefd[0], (unsigned char *)&data, sizeof(data), 1))
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@ -1,3 +1,12 @@
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-------------------------------------------------------------------
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Wed Nov 13 10:46:21 UTC 2019 - Reinhard Max <max@suse.com>
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- bsc#1154849, CVE-2019-14834, dnsmasq-CVE-2019-14834.patch:
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memory leak in the create_helper() function in /src/helper.c
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- bsc#1143454: Require user(tftp) instead of creating it ourselves.
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- Package contrib/lease-tools/dhcp_release6.
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- bsc#1152539: include config files from /etc/dnsmasq.d/*.conf .
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-------------------------------------------------------------------
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Wed Sep 4 18:47:39 UTC 2019 - Stefan Brüns <stefan.bruens@rwth-aachen.de>
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25
dnsmasq.spec
25
dnsmasq.spec
@ -35,6 +35,7 @@ Patch0: dnsmasq-groups.patch
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Patch1: 0001-fix-build-after-y2038-changes-in-glibc.patch
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# PATCH-FIX-UPSTREAM -- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=ab73a746a0d6fcac2e682c5548eeb87fb9c9c82e
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Patch2: Fix-build-with-libnettle-3.5.patch
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Patch3: dnsmasq-CVE-2019-14834.patch
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BuildRoot: %{_tmppath}/%{name}-%{version}-build
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BuildRequires: dbus-1-devel
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BuildRequires: dos2unix
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@ -45,7 +46,7 @@ BuildRequires: pkg-config
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BuildRequires: pkgconfig(libnetfilter_conntrack)
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BuildRequires: pkgconfig(systemd)
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Requires(pre): group(nogroup)
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Requires(pre): /usr/sbin/useradd
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Requires(pre): user(tftp)
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%description
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Dnsmasq provides network infrastructure for small networks: DNS,
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@ -69,6 +70,7 @@ server's leases.
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%patch0
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%patch1 -p1
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%patch2 -p1
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%patch3
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# Remove the executable bit from python example files to
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# avoid unwanted automatic dependencies
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@ -86,7 +88,7 @@ sed -i -e 's|\(PREFIX *= *\)/usr/local|\1/usr|;
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sed -i -e 's|lua5.2|lua5.3|' Makefile
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# SED-FIX-UPSTREAM -- Fix man page
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sed -i -e 's|The defaults to "dip",|The default is "nogroup",|' \
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sed -i -e 's|The default is "dip",|The default is "nogroup",|' \
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man/dnsmasq.8
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# SED-FIX-UPSTREAM -- Fix cachesize, group and user
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@ -95,8 +97,9 @@ sed -i -e 's|CACHESIZ 150|CACHESIZ 2000|;
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s|CHGRP "dip"|CHGRP "nogroup"|' \
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src/config.h
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# Fix trust-anchor.conf location
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# Fix trust-anchor.conf location and include /etc/dnsmasq.d/*.conf by default
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sed -i -e '/trust-anchors.conf/c\#conf-file=/etc/dnsmasq.d/trust-anchors.conf' \
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-e '/conf-dir=.*conf/s/^\#//' \
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dnsmasq.conf.example
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%build
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@ -107,16 +110,8 @@ export LDFLAGS="-Wl,-z,relro,-z,now -pie"
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# same flags for make and make install, else everything gets recompiled
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%define _copts "-DHAVE_DBUS -DHAVE_CONNTRACK -DHAVE_LIBIDN2 -DHAVE_DNSSEC -DHAVE_LUASCRIPT"
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make %{?_smp_mflags} AWK=gawk all-i18n CFLAGS="$CFLAGS" LDFLAGS="$LDFLAGS" COPTS=%{_copts}
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make -C contrib/lease-tools %{?_smp_mflags}
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%pre
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if ! /usr/bin/getent group tftp >/dev/null; then
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%{_sbindir}/groupadd -r tftp
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fi
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if ! /usr/bin/getent passwd tftp >/dev/null; then
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%{_sbindir}/useradd -c "TFTP account" -d /srv/tftpboot -G tftp -g tftp \
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-r -s /bin/false tftp
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fi
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if ! /usr/bin/getent passwd dnsmasq >/dev/null; then
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/usr/sbin/useradd -r -d /var/lib/empty -s /bin/false -c "dnsmasq" -g nogroup -G tftp dnsmasq
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fi
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@ -149,18 +144,20 @@ install -m 644 %SOURCE3 %{buildroot}/%{_sysconfdir}/slp.reg.d/
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install -d 755 %{buildroot}/etc/dbus-1/system.d/
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install -m 644 dbus/dnsmasq.conf %{buildroot}/etc/dbus-1/system.d/dnsmasq.conf
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install -D -m 0644 %SOURCE4 %{buildroot}%{_unitdir}/dnsmasq.service
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install -d -m 0755 %{buildroot}/srv/tftpboot
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ln -sf %{_sbindir}/service %{buildroot}/usr/sbin/rcdnsmasq
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install -d -m 755 %{buildroot}/%{_sysconfdir}/dnsmasq.d
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install -m 644 trust-anchors.conf %{buildroot}/%{_sysconfdir}/dnsmasq.d/trust-anchors.conf
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# utils subpackage
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mkdir -p %{buildroot}/%{_bindir} %{buildroot}/%{_mandir}/man1
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make -C contrib/lease-tools %{?_smp_mflags}
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install -m 755 contrib/lease-tools/dhcp_release %{buildroot}/%{_bindir}/dhcp_release
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install -m 644 contrib/lease-tools/dhcp_release.1 %{buildroot}/%{_mandir}/man1/dhcp_release.1
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install -m 755 contrib/lease-tools/dhcp_release6 %{buildroot}/%{_bindir}/dhcp_release6
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install -m 644 contrib/lease-tools/dhcp_release6.1 %{buildroot}/%{_mandir}/man1/dhcp_release6.1
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install -m 755 contrib/lease-tools/dhcp_lease_time %{buildroot}/%{_bindir}/dhcp_lease_time
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install -m 644 contrib/lease-tools/dhcp_lease_time.1 %{buildroot}/%{_mandir}/man1/dhcp_lease_time.1
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rm contrib/lease-tools/{dhcp_release,dhcp_lease_time}
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make -C contrib/lease-tools clean
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rm -rf contrib/Suse
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rm -rf contrib/Solaris10
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rm -rf contrib/dnsmasq_MacOSX-pre10.4
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@ -183,8 +180,6 @@ rm -rf contrib/MacOSX-launchd
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%dir %{_sysconfdir}/dnsmasq.d
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%config(noreplace) %{_sysconfdir}/dnsmasq.d/trust-anchors.conf
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%dir %attr(0755,tftp,tftp) /srv/tftpboot
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%files utils
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%{_bindir}/dhcp_*
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%{_mandir}/man1/dhcp_*
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