commit:     b47b227ea3da7aec35ee5db26ccac8b5be543bda
Author:     Sergei Trofimovich <slyfox <AT> gentoo <DOT> org>
AuthorDate: Tue Oct  1 22:15:22 2019 +0000
Commit:     Sergei Trofimovich <slyfox <AT> gentoo <DOT> org>
CommitDate: Tue Oct  1 22:16:13 2019 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=b47b227e

net-ftp/proftpd: backport EINTR/EAGAIN fix, bug #695972

Reported-by: Dennis Lichtenthäler
Closes: https://bugs.gentoo.org/695972
Package-Manager: Portage-2.3.76, Repoman-2.3.17
Signed-off-by: Sergei Trofimovich <slyfox <AT> gentoo.org>

 .../files/proftpd-1.3.6-EINTR-like-EAGAIN.patch    |  54 ++++
 net-ftp/proftpd/proftpd-1.3.6-r6.ebuild            | 277 +++++++++++++++++++++
 2 files changed, 331 insertions(+)

diff --git a/net-ftp/proftpd/files/proftpd-1.3.6-EINTR-like-EAGAIN.patch 
b/net-ftp/proftpd/files/proftpd-1.3.6-EINTR-like-EAGAIN.patch
new file mode 100644
index 00000000000..43608d96492
--- /dev/null
+++ b/net-ftp/proftpd/files/proftpd-1.3.6-EINTR-like-EAGAIN.patch
@@ -0,0 +1,54 @@
+https://bugs.gentoo.org/695972
+https://github.com/proftpd/proftpd/commit/f09f0c661621eb22cb1ce579194478007ba62866
+
+From f09f0c661621eb22cb1ce579194478007ba62866 Mon Sep 17 00:00:00 2001
+From: Justin Maggard <jmagg...@netgear.com>
+Date: Tue, 10 Oct 2017 18:20:06 -0700
+Subject: [PATCH] Bug #4319: Treat EINTR like EAGAIN
+
+This bug described a situation where an ongoing transfer would be
+prematurely aborted when one of our timers fired.  The timer could have
+fired for an unrelated reason, but if we were in the process of reading
+or writing with pr_netio_read() or pr_netio_write(), those calls would
+be interrupted with errno set to EINTR, and an error would be returned.
+Then pr_data_xfer() would abort the transfer.
+
+EAGAIN was already being handled properly, and we can just use the same
+treatment for EINTR so that we only respond to the timers we should
+actually care about.
+---
+ src/data.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+--- a/src/data.c
++++ b/src/data.c
+@@ -1143,7 +1143,7 @@ int pr_data_xfer(char *cl_buf, size_t cl_size) {
+         while (len < 0) {
+           int xerrno = errno;
+  
+-          if (xerrno == EAGAIN) {
++          if (xerrno == EAGAIN || xerrno == EINTR) {
+             /* Since our socket is in non-blocking mode, read(2) can return
+              * EAGAIN if there is no data yet for us.  Handle this by
+              * delaying temporarily, then trying again.
+@@ -1265,7 +1265,7 @@ int pr_data_xfer(char *cl_buf, size_t cl_size) {
+       while (len < 0) {
+         int xerrno = errno;
+ 
+-        if (xerrno == EAGAIN) {
++        if (xerrno == EAGAIN || xerrno == EINTR) {
+           /* Since our socket is in non-blocking mode, read(2) can return
+            * EAGAIN if there is no data yet for us.  Handle this by
+            * delaying temporarily, then trying again.
+@@ -1362,7 +1362,7 @@ int pr_data_xfer(char *cl_buf, size_t cl_size) {
+       while (bwrote < 0) {
+         int xerrno = errno;
+ 
+-        if (xerrno == EAGAIN) {
++        if (xerrno == EAGAIN || xerrno == EINTR) {
+           /* Since our socket is in non-blocking mode, write(2) can return
+            * EAGAIN if there is not enough from for our data yet.  Handle
+            * this by delaying temporarily, then trying again.
+-- 
+2.23.0
+

diff --git a/net-ftp/proftpd/proftpd-1.3.6-r6.ebuild 
b/net-ftp/proftpd/proftpd-1.3.6-r6.ebuild
new file mode 100644
index 00000000000..ca63d580cfc
--- /dev/null
+++ b/net-ftp/proftpd/proftpd-1.3.6-r6.ebuild
@@ -0,0 +1,277 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+inherit multilib systemd tmpfiles
+
+MOD_CASE="0.7"
+MOD_CLAMAV="0.11rc"
+MOD_DISKUSE="0.9"
+MOD_GSS="1.3.6"
+MOD_MSG="0.4.1"
+MOD_VROOT="0.9.4"
+
+DESCRIPTION="An advanced and very configurable FTP server"
+HOMEPAGE="http://www.proftpd.org/
+       http://www.castaglia.org/proftpd/
+       http://www.thrallingpenguin.com/resources/mod_clamav.htm
+       http://gssmod.sourceforge.net/";
+SRC_URI="ftp://ftp.proftpd.org/distrib/source/${P/_/}.tar.gz
+       case? ( 
http://www.castaglia.org/${PN}/modules/${PN}-mod-case-${MOD_CASE}.tar.gz )
+       clamav? ( 
https://secure.thrallingpenguin.com/redmine/attachments/download/1/mod_clamav-${MOD_CLAMAV}.tar.gz
 )
+       diskuse? ( 
http://www.castaglia.org/${PN}/modules/${PN}-mod-diskuse-${MOD_DISKUSE}.tar.gz )
+       kerberos? ( mirror://sourceforge/gssmod/mod_gss-${MOD_GSS}.tar.gz )
+       msg? ( 
http://www.castaglia.org/${PN}/modules/${PN}-mod-msg-${MOD_MSG}.tar.gz )
+       vroot? ( 
https://github.com/Castaglia/${PN}-mod_vroot/archive/v${MOD_VROOT}.tar.gz -> 
mod_vroot-${MOD_VROOT}.tar.gz )"
+LICENSE="GPL-2"
+
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86 
~x86-fbsd"
+IUSE="acl authfile ban +caps case clamav copy ctrls deflate diskuse dso 
dynmasq exec ifsession ifversion ident ipv6
+       kerberos ldap libressl log-forensic memcache msg mysql ncurses nls pam 
+pcre postgres qos radius
+       ratio readme rewrite selinux sftp shaper sitemisc snmp sodium softquota 
sqlite ssl tcpd test unique-id vroot"
+# TODO: geoip
+REQUIRED_USE="ban? ( ctrls )
+       msg? ( ctrls )
+       sftp? ( ssl )
+       shaper? ( ctrls )
+
+       mysql? ( ssl )
+       postgres? ( ssl )
+       sqlite? ( ssl )
+"
+
+CDEPEND="acl? ( virtual/acl )
+       caps? ( sys-libs/libcap )
+       clamav? ( app-antivirus/clamav )
+       kerberos? ( virtual/krb5 )
+       ldap? ( net-nds/openldap )
+       memcache? ( >=dev-libs/libmemcached-0.41 )
+       mysql? ( dev-db/mysql-connector-c:0= )
+       nls? ( virtual/libiconv )
+       ncurses? ( sys-libs/ncurses:0= )
+       ssl? (
+               !libressl? ( dev-libs/openssl:0= )
+               libressl? ( dev-libs/libressl:= )
+       )
+       pam? ( virtual/pam )
+       pcre? ( dev-libs/libpcre )
+       postgres? ( dev-db/postgresql:= )
+       sodium? ( dev-libs/libsodium:0= )
+       sqlite? ( dev-db/sqlite:3 )
+"
+DEPEND="${CDEPEND}
+       test? ( dev-libs/check )"
+RDEPEND="${CDEPEND}
+       net-ftp/ftpbase
+       selinux? ( sec-policy/selinux-ftp )"
+
+S="${WORKDIR}/${P/_/}"
+
+PATCHES=(
+       "${FILESDIR}"/${PN}-1.3.6-use-trace.patch
+       "${FILESDIR}"/${PN}-1.3.6-sighup-crash.patch
+       "${FILESDIR}"/${PN}-1.3.6-mod_copy.patch
+       "${FILESDIR}"/${PN}-1.3.6-mysql-8.patch
+       "${FILESDIR}"/${PN}-1.3.6-EINTR-like-EAGAIN.patch
+)
+
+RESTRICT=test # tests corrupt memory. need to be fixed upstream first
+
+in_dir() {
+       pushd "${WORKDIR}/${1}" || die
+       shift
+       "$@"
+       popd
+}
+
+src_prepare() {
+       # Skip 'install-conf' / Support LINGUAS
+       sed -i -e "/install-all/s/ install-conf//" Makefile.in || die
+       sed -i -e "s/^LANGS=.*$/LANGS=${LINGUAS}/" locale/Makefile.in || die
+
+       # Prepare external modules
+       if use case; then
+               cp -v "${WORKDIR}"/mod_case/mod_case.c contrib || die
+               cp -v "${WORKDIR}"/mod_case/mod_case.html doc/contrib || die
+       fi
+
+       if use clamav ; then
+               cp -v "${WORKDIR}"/mod_clamav-${MOD_CLAMAV}/mod_clamav.{c,h} 
contrib || die
+               eapply "${WORKDIR}"/mod_clamav-${MOD_CLAMAV}/${PN}.patch
+       fi
+
+       if use diskuse; then
+               in_dir mod_diskuse eapply 
"${FILESDIR}"/${PN}-1.3.6_rc4-diskuse-refresh-api.patch
+
+               # ./configure will modify files. Symlink them instead of copying
+               ln -sv "${WORKDIR}"/mod_diskuse/mod_diskuse.h "${S}"/contrib || 
die
+
+               cp -v "${WORKDIR}"/mod_diskuse/mod_diskuse.c "${S}"/contrib || 
die
+               cp -v "${WORKDIR}"/mod_diskuse/mod_diskuse.html 
"${S}"/doc/contrib || die
+       fi
+
+       if use msg; then
+               in_dir mod_msg eapply 
"${FILESDIR}"/${PN}-1.3.6_rc4-msg-refresh-api.patch
+
+               cp -v "${WORKDIR}"/mod_msg/mod_msg.c contrib || die
+               cp -v "${WORKDIR}"/mod_msg/mod_msg.html doc/contrib || die
+       fi
+
+       if use vroot; then
+               in_dir ${PN}-mod_vroot-${MOD_VROOT} eapply 
"${FILESDIR}"/${PN}-1.3.6_rc4-vroot-refresh-api.patch
+
+               cp -v "${WORKDIR}"/${PN}-mod_vroot-${MOD_VROOT}/mod_vroot.c 
contrib || die
+               cp -v "${WORKDIR}"/${PN}-mod_vroot-${MOD_VROOT}/mod_vroot.html 
doc/contrib || die
+       fi
+
+       if use kerberos ; then
+               in_dir mod_gss-${MOD_GSS} eapply 
"${FILESDIR}"/${PN}-1.3.6_rc4-gss-refresh-api.patch
+
+               # Support app-crypt/heimdal / Gentoo Bug #284853
+               sed -i -e "s/krb5_principal2principalname/_\0/" 
"${WORKDIR}"/mod_gss-${MOD_GSS}/mod_auth_gss.c.in || die
+
+               # Remove obsolete DES / Gentoo Bug #324903
+               # Replace 'rpm' lookups / Gentoo Bug #391021
+               sed -i -e "/ac_gss_libs/s/ -ldes425//" \
+                       -e "s/ac_libdir=\`rpm -q 
-l.*$/ac_libdir=\/usr\/$(get_libdir)\//" \
+                       -e "s/ac_includedir=\`rpm -q 
-l.*$/ac_includedir=\/usr\/include\//" 
"${WORKDIR}"/mod_gss-${MOD_GSS}/configure{,.in}  || die
+
+               # ./configure will modify files. Symlink them instead of copying
+               ln -sv "${WORKDIR}"/mod_gss-${MOD_GSS}/mod_auth_gss.c 
"${S}"/contrib || die
+               ln -sv "${WORKDIR}"/mod_gss-${MOD_GSS}/mod_gss.c "${S}"/contrib 
|| die
+               ln -sv "${WORKDIR}"/mod_gss-${MOD_GSS}/mod_gss.h "${S}"/include 
|| die
+
+               cp -v "${WORKDIR}"/mod_gss-${MOD_GSS}/README.mod_{auth_gss,gss} 
"${S}" || die
+               cp -v "${WORKDIR}"/mod_gss-${MOD_GSS}/mod_gss.html 
"${S}"/doc/contrib || die
+               cp -v "${WORKDIR}"/mod_gss-${MOD_GSS}/rfc{1509,2228}.txt 
"${S}"/doc/rfc || die
+       fi
+
+       default
+}
+
+src_configure() {
+       local c m
+
+       use acl && m="${m}:mod_facl"
+       use ban && m="${m}:mod_ban"
+       use case && m="${m}:mod_case"
+       use clamav && m="${m}:mod_clamav"
+       use copy && m="${m}:mod_copy"
+       use ctrls && m="${m}:mod_ctrls_admin"
+       use deflate && m="${m}:mod_deflate"
+       if use diskuse ; then
+               in_dir mod_diskuse econf
+               m="${m}:mod_diskuse"
+       fi
+       use dynmasq && m="${m}:mod_dynmasq"
+       use exec && m="${m}:mod_exec"
+       use ifsession && m="${m}:mod_ifsession"
+       use ifversion && m="${m}:mod_ifversion"
+       if use kerberos ; then
+               in_dir mod_gss-${MOD_GSS} econf
+               m="${m}:mod_gss:mod_auth_gss"
+       fi
+       use ldap && m="${m}:mod_ldap"
+       use log-forensic && m="${m}:mod_log_forensic"
+       use msg && m="${m}:mod_msg"
+       if use mysql || use postgres || use sqlite ; then
+               m="${m}:mod_sql:mod_sql_passwd"
+               use mysql && m="${m}:mod_sql_mysql"
+               use postgres && m="${m}:mod_sql_postgres"
+               use sqlite && m="${m}:mod_sql_sqlite"
+       fi
+       use qos && m="${m}:mod_qos"
+       use radius && m="${m}:mod_radius"
+       use ratio && m="${m}:mod_ratio"
+       use readme && m="${m}:mod_readme"
+       use rewrite && m="${m}:mod_rewrite"
+       if use sftp ; then
+               m="${m}:mod_sftp"
+               use pam && m="${m}:mod_sftp_pam"
+               use mysql || use postgres || use sqlite && m="${m}:mod_sftp_sql"
+       fi
+       use shaper && m="${m}:mod_shaper"
+       use sitemisc && m="${m}:mod_site_misc"
+       use snmp && m="${m}:mod_snmp"
+       if use softquota ; then
+               m="${m}:mod_quotatab:mod_quotatab_file"
+               use ldap && m="${m}:mod_quotatab_ldap"
+               use radius && m="${m}:mod_quotatab_radius"
+               use mysql || use postgres || use sqlite && 
m="${m}:mod_quotatab_sql"
+       fi
+       if use ssl ; then
+               m="${m}:mod_tls:mod_tls_shmcache"
+               use memcache && m="${m}:mod_tls_memcache"
+       fi
+       if use tcpd ; then
+               m="${m}:mod_wrap2:mod_wrap2_file"
+               use mysql || use postgres || use sqlite && 
m="${m}:mod_wrap2_sql"
+       fi
+       use unique-id && m="${m}:mod_unique_id"
+       use vroot && m="${m}:mod_vroot"
+
+       if [[ -n ${PROFTP_CUSTOM_MODULES} ]]; then
+               einfo "Adding user-specified extra modules: 
'${PROFTP_CUSTOM_MODULES}'"
+               m="${m}:${PROFTP_CUSTOM_MODULES}"
+       fi
+
+       [[ -z ${m} ]] || c="${c} --with-modules=${m:1}"
+
+       econf --localstatedir=/var/run/proftpd --sysconfdir=/etc/proftpd 
--disable-strip \
+               $(use_enable acl facl) \
+               $(use_enable authfile auth-file) \
+               $(use_enable caps cap) \
+               $(use_enable ctrls) \
+               $(use_enable dso) \
+               $(use_enable ident) \
+               $(use_enable ipv6) \
+               $(use_enable memcache) \
+               $(use_enable ncurses) \
+               $(use_enable nls) \
+               $(use_enable ssl openssl) \
+               $(use_enable pam auth-pam) \
+               $(use_enable pcre) \
+               $(use_enable sodium) \
+               $(use_enable test tests) \
+               --enable-trace \
+               $(use_enable userland_GNU shadow) \
+               $(use_enable userland_GNU autoshadow) \
+               ${c:1}
+}
+
+src_test() {
+       emake api-tests -C tests
+}
+
+src_install() {
+       default
+       [[ -z ${LINGUAS-set} ]] && rm -r "${ED}"/usr/share/locale
+       rm -rf "${ED}"/var/run
+
+       newinitd "${FILESDIR}"/proftpd.initd proftpd
+       insinto /etc/proftpd
+       doins "${FILESDIR}"/proftpd.conf.sample
+
+       insinto /etc/xinetd.d
+       newins "${FILESDIR}"/proftpd.xinetd proftpd
+
+       insinto /etc/logrotate.d
+       newins "${FILESDIR}"/${PN}.logrotate ${PN}
+
+       dodoc ChangeLog CREDITS INSTALL NEWS README* RELEASE_NOTES
+
+       docinto html
+       dodoc doc/*.html doc/contrib/*.html doc/howto/*.html doc/modules/*.html
+
+       docinto rfc
+       dodoc doc/rfc/*.txt
+
+       systemd_dounit       "${FILESDIR}"/${PN}.service
+       systemd_newtmpfilesd "${FILESDIR}"/${PN}-tmpfiles.d.conf ${PN}.conf
+}
+
+pkg_postinst() {
+       # Create /var/run files at package merge time: bug #650000
+       tmpfiles_process ${PN}.conf
+}

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