diff options
author | V3n3RiX <venerix@redcorelinux.org> | 2017-10-09 18:53:29 +0100 |
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committer | V3n3RiX <venerix@redcorelinux.org> | 2017-10-09 18:53:29 +0100 |
commit | 4f2d7949f03e1c198bc888f2d05f421d35c57e21 (patch) | |
tree | ba5f07bf3f9d22d82e54a462313f5d244036c768 /sys-libs/musl/files |
reinit the tree, so we can have metadata
Diffstat (limited to 'sys-libs/musl/files')
-rw-r--r-- | sys-libs/musl/files/getent | 45 | ||||
-rw-r--r-- | sys-libs/musl/files/ldconfig.in | 144 | ||||
-rw-r--r-- | sys-libs/musl/files/musl-1.1.15-CVE.patch | 68 | ||||
-rw-r--r-- | sys-libs/musl/files/musl-1.1.15-assert.patch | 43 |
4 files changed, 300 insertions, 0 deletions
diff --git a/sys-libs/musl/files/getent b/sys-libs/musl/files/getent new file mode 100644 index 000000000000..b7de424354b6 --- /dev/null +++ b/sys-libs/musl/files/getent @@ -0,0 +1,45 @@ +#!/bin/sh +# This files is part of uClibc. +# Distributed under the terms of the Lesser GNU General Public License v2 +# +# Closely (not perfectly) emulate the behavior of glibc's getent utility +# +#passwd|shadow|group|aliases|hosts|networks|ethers|netgroup|protocols|services|rpc +# only returns the first match (by design) +# dns based search is not supported (hosts,networks) +# case-insensitive matches not supported (ethers; others?) +# may return false-positives (hosts,protocols,rpc,services,ethers) + +[ -z "$PATH" ] && PATH="/bin:/usr/bin" || PATH="${PATH}:/bin:/usr/bin" +export PATH + +file="/etc/$1" +case $1 in + passwd|group) + match="^$2:\|^[^:]*:[^:]*:$2:" ;; + shadow) + match="^$2:" ;; + networks|netgroup) + match="^[[:space:]]*$2\>" ;; + hosts|protocols|rpc|services|ethers) + match="\<$2\>" ;; + aliases) + match="^[[:space:]]*$2[[:space:]]*:" ;; + ""|-h|--help) + echo "USAGE: $0 database [key]" + exit 0 ;; + *) + echo "$0: Unknown database: $1" 1>&2 + exit 1 ;; +esac + +if [ ! -f "$file" ] ; then + echo "$0: Could not find database file for $1" 1>&2 + exit 1 +fi + +if [ $# -eq 1 ] ; then + exec cat "$file" +else + sed "s/#.*//; /$match/q; d" "$file" | grep . || exit 2 +fi diff --git a/sys-libs/musl/files/ldconfig.in b/sys-libs/musl/files/ldconfig.in new file mode 100644 index 000000000000..19c94d85353a --- /dev/null +++ b/sys-libs/musl/files/ldconfig.in @@ -0,0 +1,144 @@ +#!/bin/bash -e +# Copyright 1999-2015 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +ROOT="/" + +LDSO_CONF="/etc/ld.so.conf" +if [[ ! -e $LDSO_CONF ]]; then + echo "$LDSO_CONF not found" >&2 + exit 1 +fi + +LDSO_CONF_DIR=$(dirname $LDSO_CONF) + +VERBOSE=0 + +UPDATE_LINKS=1 + +get_options() { + while getopts "vnNXf:C:r:p" opt "$@"; do + case $opt in + v) + echo "ldconfig for musl in Gentoo" + VERBOSE=1 + ;; + r) + ROOT=$OPTARG + ;; + f) + LDSO_CONF=$OPTARG + ;; + X) + UPDATE_LINKS=0 + ;; + \?) + echo "Invalid option: -$opt" >&2 + exit 1 + ;; + n|N|C|p) + echo "Unimplemented option: -$opt" >&2 + exit 1 + ;; + esac + done + + if [[ $UPDATE_LINKS == 1 ]]; then + echo "Updating links is not implemented." + fi +} + + +repeated() { + local l=$1 + local drs="${@:2}" + for m in $drs; do + [[ $m == $l ]] && return 0 + done + return 1 +} + +expand() { + # We are assuming the ld.so.conf's 'include' is not recursive + local f line l + local glob="$LDSO_CONF_DIR/$1" + local drs="${@:2} " + + for f in $glob; do + [[ ! -f $f ]] && continue + while read line; do + line=${line%%#*} + line=${line//:/ } + line=${line//,/ } + for l in $line; do + #We must add this whether or not the directory exists + repeated $l $drs && continue + drs+=" $l " + done + done < $f + done + + echo $drs +} + +read_ldso_conf() { + local drs=" " + + while read line; do + # Sanitize the line - see ldconfig(8) for delimiters + # Note: bash read turns tabs into spaces and read already + # delimits on newlines with the default $IFS + line=${line%%#*} # Remove comments + line=${line//:/ } # Change colon delimiter to space + line=${line//,/ } # Change comma delimiter to space + + next=0 + for l in $line; do + if [[ $next == 1 ]]; then + next=0 + drs=$(expand $l $drs) + elif [[ $l == "include" ]]; then + next=1 + else + # glibc's ldconfig silently skips non directories + if [[ -d $l ]]; then + repeated $l $drs && continue + drs+=" $l " + fi + fi + done + done < $1 + + echo $drs +} + +sanitize() { + local drs=$@ + + repeated "/lib" $drs || drs="/lib $drs" + repeated "/usr/lib" $drs || drs="/usr/lib $drs" + + echo $drs +} + +get_options "$@" +drs=$(read_ldso_conf "$LDSO_CONF") +drs=$(sanitize $drs) + +ARCH=@@ARCH@@ +LDSO_PATH="/lib/ld-musl-${ARCH}.so.1" +if [[ ! -e $LDSO_PATH ]]; then + echo "$LDSO_PATH not found" >&2 + exit 1 +fi + +LDSO_ARCH=$(basename $LDSO_PATH) +LDSO_NAME=${LDSO_ARCH%.so.1} +ETC_LDSO_PATH=/etc/${LDSO_NAME}.path + +X=$(mktemp -p /tmp ${LDSO_NAME}.XXXXXX) +for d in $drs; do + echo $d >> $X +done +chmod 644 $X +mv $X $ETC_LDSO_PATH diff --git a/sys-libs/musl/files/musl-1.1.15-CVE.patch b/sys-libs/musl/files/musl-1.1.15-CVE.patch new file mode 100644 index 000000000000..64fbbdcd8eb1 --- /dev/null +++ b/sys-libs/musl/files/musl-1.1.15-CVE.patch @@ -0,0 +1,68 @@ +From c3edc06d1e1360f3570db9155d6b318ae0d0f0f7 Mon Sep 17 00:00:00 2001 +From: Rich Felker <dalias@aerifal.cx> +Date: Thu, 06 Oct 2016 22:34:58 +0000 +Subject: fix missing integer overflow checks in regexec buffer size computations + +most of the possible overflows were already ruled out in practice by +regcomp having already succeeded performing larger allocations. +however at least the num_states*num_tags multiplication can clearly +overflow in practice. for safety, check them all, and use the proper +type, size_t, rather than int. + +also improve comments, use calloc in place of malloc+memset, and +remove bogus casts. +--- +diff --git a/src/regex/regexec.c b/src/regex/regexec.c +index 16c5d0a..dd52319 100644 +--- a/src/regex/regexec.c ++++ b/src/regex/regexec.c +@@ -34,6 +34,7 @@ + #include <wchar.h> + #include <wctype.h> + #include <limits.h> ++#include <stdint.h> + + #include <regex.h> + +@@ -206,11 +207,24 @@ tre_tnfa_run_parallel(const tre_tnfa_t *tnfa, const void *string, + + /* Allocate memory for temporary data required for matching. This needs to + be done for every matching operation to be thread safe. This allocates +- everything in a single large block from the stack frame using alloca() +- or with malloc() if alloca is unavailable. */ ++ everything in a single large block with calloc(). */ + { +- int tbytes, rbytes, pbytes, xbytes, total_bytes; ++ size_t tbytes, rbytes, pbytes, xbytes, total_bytes; + char *tmp_buf; ++ ++ /* Ensure that tbytes and xbytes*num_states cannot overflow, and that ++ * they don't contribute more than 1/8 of SIZE_MAX to total_bytes. */ ++ if (num_tags > SIZE_MAX/(8 * sizeof(int) * tnfa->num_states)) ++ goto error_exit; ++ ++ /* Likewise check rbytes. */ ++ if (tnfa->num_states+1 > SIZE_MAX/(8 * sizeof(*reach_next))) ++ goto error_exit; ++ ++ /* Likewise check pbytes. */ ++ if (tnfa->num_states > SIZE_MAX/(8 * sizeof(*reach_pos))) ++ goto error_exit; ++ + /* Compute the length of the block we need. */ + tbytes = sizeof(*tmp_tags) * num_tags; + rbytes = sizeof(*reach_next) * (tnfa->num_states + 1); +@@ -221,10 +235,9 @@ tre_tnfa_run_parallel(const tre_tnfa_t *tnfa, const void *string, + + (rbytes + xbytes * tnfa->num_states) * 2 + tbytes + pbytes; + + /* Allocate the memory. */ +- buf = xmalloc((unsigned)total_bytes); ++ buf = calloc(total_bytes, 1); + if (buf == NULL) + return REG_ESPACE; +- memset(buf, 0, (size_t)total_bytes); + + /* Get the various pointers within tmp_buf (properly aligned). */ + tmp_tags = (void *)buf; +-- +cgit v0.9.0.3-65-g4555 diff --git a/sys-libs/musl/files/musl-1.1.15-assert.patch b/sys-libs/musl/files/musl-1.1.15-assert.patch new file mode 100644 index 000000000000..d531d1727642 --- /dev/null +++ b/sys-libs/musl/files/musl-1.1.15-assert.patch @@ -0,0 +1,43 @@ +From e738b8cbe64b6dd3ed9f47b6d4cd7eb2c422b38d Mon Sep 17 00:00:00 2001 +From: Rich Felker <dalias@aerifal.cx> +Date: Tue, 30 Aug 2016 20:39:54 +0000 +Subject: restore _Noreturn to __assert_fail + +this reverts commit 2c1f8fd5da3306fd7c8a2267467e44eb61f12dd4. without +the _Noreturn attribute, the compiler cannot use asserts to perform +reachability/range analysis. this leads to missed optimizations and +spurious warnings. + +the original backtrace problem that prompted the removal of _Noreturn +was not clearly documented at the time, but it seems to happen only +when libc was built without -g, which also breaks many other +backtracing cases. +--- +diff --git a/include/assert.h b/include/assert.h +index e679adb..d14ec94 100644 +--- a/include/assert.h ++++ b/include/assert.h +@@ -16,7 +16,7 @@ + extern "C" { + #endif + +-void __assert_fail (const char *, const char *, int, const char *); ++_Noreturn void __assert_fail (const char *, const char *, int, const char *); + + #ifdef __cplusplus + } +diff --git a/src/exit/assert.c b/src/exit/assert.c +index e87442a..49b0dc3 100644 +--- a/src/exit/assert.c ++++ b/src/exit/assert.c +@@ -1,7 +1,7 @@ + #include <stdio.h> + #include <stdlib.h> + +-void __assert_fail(const char *expr, const char *file, int line, const char *func) ++_Noreturn void __assert_fail(const char *expr, const char *file, int line, const char *func) + { + fprintf(stderr, "Assertion failed: %s (%s: %s: %d)\n", expr, file, func, line); + fflush(NULL); +-- +cgit v0.9.0.3-65-g4555 |