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#!/bin/sh -ef
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#
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# Copyright (C) 2000-2006 Dmitry V. Levin <ldv@altlinux.org>
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# $Id$
#
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# find-provides - generate list of linux-specific package provides.
# Inspired by tool with same name from RPM distribution.
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
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[ -z "$RPM_SCRIPTS_DEBUG" ] || set -x
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. @RPMCONFIGDIR@/functions
ValidateBuildRoot
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# Normalize buildroot.
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real_buildroot="$(cd "$RPM_BUILD_ROOT" && /bin/pwd)" || exit 1
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FIND_LIBS=
FIND_PAM=
FIND_PERL=
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FIND_PYTHON=
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FIND_SHELL=
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FIND_TCL=
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ParseMethod()
{
local t
for t in "$@"; do
case "${t/%,}" in
no|none|off|false)
FIND_LIBS=
FIND_PAM=
FIND_PERL=
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FIND_PYTHON=
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FIND_SHELL=
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FIND_TCL=
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;;
lib)
FIND_LIBS=1
;;
nolib)
FIND_LIBS=
;;
pam)
FIND_PAM=1
;;
nopam)
FIND_PAM=
;;
perl)
FIND_PERL=1
;;
noperl)
FIND_PERL=
;;
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python)
FIND_PYTHON=1
;;
nopython)
FIND_PYTHON=
;;
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sh|shell)
FIND_SHELL=1
;;
nosh|noshell)
FIND_SHELL=
;;
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tcl)
FIND_TCL=1
;;
notcl)
FIND_TCL=
;;
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all)
FIND_LIBS=1
FIND_PAM=1
FIND_PERL=1
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FIND_PYTHON=1
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FIND_SHELL=1
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FIND_TCL=1
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;;
default|yes|true)
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ParseMethod $RPM_FINDPROV_DEFAULT_METHOD || return 1
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;;
*)
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Fatal "Unrecognized find-provides method: $t"
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;;
esac
done
}
ParseMethod $RPM_FINDPROV_METHOD
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if [ -z "$FIND_LIBS" -a -z "$FIND_PAM" -a -z "$FIND_PERL" -a -z "$FIND_PYTHON" -a -z "$FIND_SHELL" -a -z "$FIND_TCL" ]; then
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# Nothing to do
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cat >/dev/null 2>&1
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exit 0
fi
ulimit -c 0
case "$LD_PRELOAD" in
*libfakeroot*)
unset LD_PRELOAD
;;
*libbuildreq.so*)
unset LD_PRELOAD
;;
esac
FOUND_PROVS=
LIST_PERL=
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LIST_PYTHON=
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LIST_TCL=
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ListScriptProvs()
{
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local f t
f="$1"
t="$2"
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if [ -z "${t##ASCII *text*}" ]; then
if [ -z "${f%%$RPM_BUILD_ROOT/etc/pam.d/*}" ]; then
if [ -n "$FIND_PAM" ]; then
local r
r="$(@RPMCONFIGDIR@/pam.prov "$f")" || return 1
[ -z "$FOUND_PROVS" ] && FOUND_PROVS="$r" || FOUND_PROVS="$FOUND_PROVS
$r"
fi
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return 0
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fi
# Ignore symlinks for non-PAM scripts.
[ ! -L "$f" ] || return 0
if [ "${f##*/}" = ".provides.sh" ]; then
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if [ -n "$FIND_SHELL" ]; then
local r
r="$(@RPMCONFIGDIR@/shell.prov "$f")" || return 1
[ -z "$FOUND_PROVS" ] && FOUND_PROVS="$r" || FOUND_PROVS="$FOUND_PROVS
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$r"
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fi
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return 0
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fi
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fi
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# Ignore symlinks for non-PAM scripts.
[ ! -L "$f" ] || return 0
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if [ -z "${t##perl script text*}" -o -z "${t##Perl5 module source text}" -o -z "${f%%*.p[lmh]}" ]; then
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if [ -n "$FIND_PERL" ]; then
[ -z "$LIST_PERL" ] && LIST_PERL="$f" || LIST_PERL="$LIST_PERL
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$f"
fi
fi
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if [ -z "${f%%*.py}" -o -z "${f%%*.pyo}" -o -z "${f%%*.pyc}" -o -z "${f%%*.pth}" ]; then
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if [ -n "$FIND_PYTHON" ]; then
[ -z "$LIST_PYTHON" ] && LIST_PYTHON="$f" || LIST_PYTHON="$LIST_PYTHON
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$f"
fi
fi
if [ "${f##*/}" = "pkgIndex.tcl" ]; then
if [ -n "$FIND_TCL" ]; then
[ -z "$LIST_TCL" ] && LIST_TCL="$f" || LIST_TCL="$LIST_TCL
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$f"
fi
fi
}
FindPerlProvs()
{
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[ -n "$FIND_PERL" -a -n "$LIST_PERL" ] || return 0
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local r
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r="$(printf %s\\n "$LIST_PERL" |@RPMCONFIGDIR@/perl.prov)" || return 1
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[ -z "$FOUND_PROVS" ] && FOUND_PROVS="$r" || FOUND_PROVS="$FOUND_PROVS
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$r"
}
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FindPythonProvs()
{
[ -n "$FIND_PYTHON" -a -n "$LIST_PYTHON" ] || return 0
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[ -x "$RPM_PYTHON" ] || return 0
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local r
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r="$(printf %s\\n "$LIST_PYTHON" |"$RPM_PYTHON" @RPMCONFIGDIR@/python.prov.py)" || return 1
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[ -z "$FOUND_PROVS" ] && FOUND_PROVS="$r" || FOUND_PROVS="$FOUND_PROVS
$r"
}
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FindTclProvs()
{
[ -n "$FIND_TCL" -a -n "$LIST_TCL" ] || return 0
[ -x "$RPM_TCLSH" ] || return 0
local r
r="$(printf %s\\n "$LIST_TCL" |@RPMCONFIGDIR@/tcl.prov)" || return 1
[ -z "$FOUND_PROVS" ] && FOUND_PROVS="$r" || FOUND_PROVS="$FOUND_PROVS
$r"
}
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dump_ld_config='@RPMCONFIGDIR@/dump_ld_config'
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DEF_RPM_FINDPROV_LIB_PATH="$("$dump_ld_config" '' "$RPM_BUILD_ROOT" |tr -s '\n' :)"
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DEF_RPM_FINDPROV_LIB_PATH="$DEF_RPM_FINDPROV_LIB_PATH:/$RPM_LIB:$RPM_LIBDIR:$("$dump_ld_config" |tr -s '\n' :)"
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DEF_RPM_FINDPROV_LIB_PATH="$(printf %s "$DEF_RPM_FINDPROV_LIB_PATH" |sed -e 's/^:\+//; s/:\+$//')"
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RPM_FINDPROV_LIB_PATH="$RPM_FINDPROV_LIB_PATH:$DEF_RPM_FINDPROV_LIB_PATH"
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RPM_FINDPROV_LIB_PATH="$(printf %s "$RPM_FINDPROV_LIB_PATH" |sed -e 's/^:\+//; s/:\+$//')"
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lookup_path()
{
local d dir path found=
dir="$1" && shift
path="$1" && shift
for d in $(printf %s "$path" |tr : ' '); do
[ "$d" = "$dir" ] || continue
found="$d"
break
done
[ -n "$found" ] && return 0 || return 1
}
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# Note this works for both a.out and ELF executables.
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FindLibProvs()
{
[ -n "$FIND_LIBS" ] || return 0
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local braces dir dump f name suffix
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f="$1"
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dir="${fname%/*}"
[ -n "$dir" ] || return 0
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name="${fname##*/}"
[ -n "$name" ] || return 0
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[ "$dir" = "/$RPM_LIB/security" ] || lookup_path "$dir" "$RPM_FINDPROV_LIB_PATH" || return 0
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if dump="$(objdump -p "$f")"; then
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if [ "$dir" = "/$RPM_LIB/security" ]; then
printf 'PAM(%s)\n' "$name"
return 0
fi
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local soname
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soname="$(printf %s\\n "$dump" |sed -ne 's/^[[:space:]]*SONAME[[:space:]]\+\([^[:space:]]\+\)[[:space:]]*$/\1/p')" || return 1
suffix="$(printf %s\\n "$dump" |sed -ne 's/^.*file format \(elf64\).*$/(64bit)/p')" || return 1
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[ -z "$suffix" ] && braces= || braces='()'
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if [ -n "$soname" ]; then
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while :; do
# For libraries with soname, ignore all but files named as soname.
[ "$soname" = "$name" ] || break
# Treat symlinks specially.
if [ -L "$f" ]; then
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local real realpath realdir
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realpath=$(readlink -fv "$f") || break
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real="${realpath#$real_buildroot}"
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# Ignore symlinks leading out of buildroot.
[ "$real" != "$realpath" ] || break
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realdir="${real%/*}"
# Ignore symlinks to shorter locations.
[ "${#dir}" -le "${#realdir}" ] || break
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fi
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# Check for non-default path.
local nondefdir=
lookup_path "$dir" "$DEF_RPM_FINDPROV_LIB_PATH" || nondefdir="$dir"
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# Output soname.
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if [ -z "$nondefdir" ]; then
printf '%s\n' "$soname$braces$suffix"
else
printf '%s/%s\n' "$nondefdir" "$soname$braces$suffix"
fi
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# Output version definitions.
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printf %s\\n "$dump" | awk "-vsoname=$soname" "-vnondefdir=$nondefdir" "-vsuffix=$suffix" '
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BEGIN {start=0;}
/^Version definitions:$/ {start=1;}
/^[0-9]/ && (start==1) && ($4!="") && ($4!=soname) {
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if (nondefdir=="")
printf("%s(%s)%s\n",soname,$4,suffix)
else
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printf("%s/%s(%s)%s\n",nondefdir,soname,$4,suffix)
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}
/^$/ {start=0;}
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' || return 1
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break
done
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else
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# Ignore symlinks for libraries without soname.
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[ -L "$f" ] || printf %s\\n "${f##*/}$braces$suffix"
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fi
fi
}
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: ${RPM_FINDPROV_TOPDIR:=}
: ${RPM_FINDPROV_SKIPLIST:=}
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while IFS= read -r f; do
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fname="${f#$RPM_BUILD_ROOT}"
fname="${fname#.}"
if [ -n "$RPM_FINDPROV_TOPDIR" ] && [ -z "${fname%%$RPM_FINDPROV_TOPDIR/*}" ]; then
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continue;
fi
if [ -n "$RPM_FINDPROV_SKIPLIST" ]; then
for skip in $RPM_FINDPROV_SKIPLIST; do
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if [ -z "${fname##$skip}" ]; then
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continue 2
fi
done
fi
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# Find out file type (dereference symlinks).
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if t="$(file -bL "$f")"; then
if [ -z "${t##* text*}" ]; then
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ListScriptProvs "$f" "$t"
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elif [ -z "${t##*ELF* shared object*}" ]; then
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r="$(FindLibProvs "$f")"
[ -z "$FOUND_PROVS" ] && FOUND_PROVS="$r" || FOUND_PROVS="$FOUND_PROVS
$r"
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[ -z "$LIST_PYTHON" ] && LIST_PYTHON="$f" || LIST_PYTHON="$LIST_PYTHON
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$f"
elif [ "${f##*/}" = '__init__.py' ]; then
# Zero-length python init files have major sense.
[ -z "$LIST_PYTHON" ] && LIST_PYTHON="$f" || LIST_PYTHON="$LIST_PYTHON
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$f"
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fi
else
echo "Not found: $f" >&2
fi
done
# Find provides in listed perl scripts, if any
FindPerlProvs
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# Find provides in listed python scripts and shared libraries, if any
FindPythonProvs
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# Find provides in listed tcl index files, if any
FindTclProvs
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# Finally sort and print them.
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printf %s "$FOUND_PROVS" |LC_COLLATE=C sort -u