findbrokenpkgs/findbrokenpkgs-1.1.sh

   1 #! /bin/bash
   2 # Distributed under the terms of the GNU General Public License v2
   3
   4 # Shamelessly copied mostly from Gentoo's revdep-rebuild utility.
   5 # http://sources.gentoo.org/viewcvs.py/gentoo-x86/app-portage/gentoolkit/
   6 # $ equery belongs /usr/bin/revdep-rebuild
   7 # app-portage/gentoolkit-0.2.3-r1
   8 # $ cat /usr/portage/app-portage/gentoolkit/gentoolkit-0.2.3-r1.ebuild | grep LICENSE
   9 # LICENSE="GPL-2"
  10
  11 # findbrokenpkgs for Arch Linux.
  12 # Converted to use pacman instead of emerge by Paul Bredbury <brebs@sent.com>
  13 #
  14 # v1.1 - files now in $HOME/.findbrokenpkgs/ directory - based on changes from
  15 # Stefan Husmann, repackaged by Jaroslav Lichtblau
  16
  17 # Customizable variables:
  18 #
  19 # LD_LIBRARY_MASK - Mask of specially evaluated libraries
  20 # SEARCH_DIRS - List of directories to search for executables and libraries
  21 # SEARCH_DIRS_MASK - List of directories to not search
  22 #
  23 # These variables can be prepended to by setting the variable in
  24 # your environment prior to execution.
  25 #
  26 # An entry of "-*" means to clear the variable from that point forward.
  27 # Example: env SEARCH_DIRS="/usr/bin -*" findbrokenpkgs will set SEARCH_DIRS
  28 # to contain only /usr/bin
  29
  30 if [ "$1" = "-h" -o "$1" = "-help" -o "$1" = "--help" ] ; then
  31         echo "Broken package identifier, version 1.0"
  32         echo "Checks dynamic library linking."
  33         echo
  34         echo "Usage: $0 [OPTIONS]"
  35         echo
  36         echo " -nc, --no-color       Turn off colored output"
  37         echo " -nw, --no-warning     Disable newbie-friendly warning"
  38         echo "  -q, --quiet          Be less verbose"
  39         echo
  40         echo "Report bugs to http://bbs.archlinux.org/viewtopic.php?id=13882"
  41         exit 0
  42 fi
  43
  44 # Update the incremental variables using /etc/profile.env, /etc/ld.so.conf,
  45 # and the environment.
  46
  47 # Read the incremental variables from environment
  48 PRELIMINARY_SEARCH_DIRS="$SEARCH_DIRS"
  49 PRELIMINARY_SEARCH_DIRS_MASK="$SEARCH_DIRS_MASK"
  50 PRELIMINARY_LD_LIBRARY_MASK="$LD_LIBRARY_MASK"
  51 SONAME_SEARCH="not found"
  52 SONAME_GREP=grep
  53
  54 # Add the defaults
  55 if [ -d /etc/findbrokenpkgs ] ; then
  56         for file in $(ls /etc/findbrokenpkgs) ; do
  57                 PRELIMINARY_SEARCH_DIRS="$PRELIMINARY_SEARCH_DIRS $(. /etc/findbrokenpkgs/${file}; echo $SEARCH_DIRS)"
  58                 PRELIMINARY_SEARCH_DIRS_MASK="$PRELIMINARY_SEARCH_DIRS_MASK $(. /etc/findbrokenpkgs/${file}; echo $SEARCH_DIRS_MASK)"
  59                 PRELIMINARY_LD_LIBRARY_MASK="$PRELIMINARY_LD_LIBRARY_MASK $(. /etc/findbrokenpkgs/${file}; echo $LD_LIBRARY_MASK)"
  60         done
  61 else
  62         PRELIMINARY_SEARCH_DIRS="$PRELIMINARY_SEARCH_DIRS /bin /sbin /usr/bin /usr/sbin /lib* /usr/lib*"
  63         # openoffice is a binary, and we don't want to check that monster
  64         PRELIMINARY_SEARCH_DIRS_MASK="$PRELIMINARY_SEARCH_DIRS_MASK /opt/openoffice"
  65         # Binary libraries
  66         PRELIMINARY_LD_LIBRARY_MASK="$PRELIMINARY_LD_LIBRARY_MASK libodbcinst.so libodbc.so libjava.so libjvm.so"
  67 fi
  68
  69 # Get the ROOTPATH and PATH from /etc/profile.env
  70 if [ -e "/etc/profile.env" ] ; then
  71         PRELIMINARY_SEARCH_DIRS="$PRELIMINARY_SEARCH_DIRS $((. /etc/profile.env; echo ${ROOTPATH}:${PATH}) | tr ':' ' ')"
  72 fi
  73
  74 # Get the directories from /etc/ld.so.conf
  75 if [ -e /etc/ld.so.conf ] ; then
  76         PRELIMINARY_SEARCH_DIRS="$PRELIMINARY_SEARCH_DIRS $(grep -v "^#" /etc/ld.so.conf | tr '\n' ' ')"
  77 fi
  78
  79 # Set the final variables
  80 # Note: Using $(echo $variable) removes extraneous spaces from variable assignment
  81 unset SEARCH_DIRS
  82 for i in $(echo $PRELIMINARY_SEARCH_DIRS) ; do
  83         [ "$i" = "-*" ] && break
  84         # Append a / at the end so that links and directories are treated the same by find
  85         # Remove any existing trailing slashes to prevent double-slashes
  86         SEARCH_DIRS="$(echo $SEARCH_DIRS ${i/%\//}/)"
  87 done
  88 # Remove any double-slashes from the path
  89 SEARCH_DIRS="$(echo $SEARCH_DIRS | sed 's:/\+:/:g')"
  90
  91 unset SEARCH_DIRS_MASK
  92 for i in $(echo $PRELIMINARY_SEARCH_DIRS_MASK) ; do
  93         [ "$i" = "-*" ] && break
  94         SEARCH_DIRS_MASK="$(echo $SEARCH_DIRS_MASK $i)"
  95 done
  96
  97 unset LD_LIBRARY_MASK
  98 for i in $(echo $PRELIMINARY_LD_LIBRARY_MASK) ; do
  99         [ "$i" = "-*" ] && break
 100         LD_LIBRARY_MASK="$(echo $LD_LIBRARY_MASK $i)"
 101 done
 102
 103 # Base of temporary files names.
 104 [ -d ${HOME}/.findbrokenpkgs ] || mkdir ${HOME}/.findbrokenpkgs
 105 touch ${HOME}/.findbrokenpkgs/findbrokenpkgs_0.test 2>/dev/null
 106 if [ $? -eq 0 ] ; then
 107         LIST="${HOME}/.findbrokenpkgs/findbrokenpkgs"
 108         rm ~/.findbrokenpkgs/findbrokenpkgs_0.test
 109 else
 110         # Try to use /var/tmp since $HOME is not available
 111         touch /var/tmp/.findbrokenpkgs/findbrokenpkgs_0.test 2>/dev/null
 112         if [ $? -eq 0 ] ; then
 113         LIST="/var/tmp/.findbrokenpkgs/findbrokenpkgs"
 114         rm /var/tmp/.findbrokenpkgs/findbrokenpkgs_0.test
 115         else
 116                 echo
 117                 echo "!!! Unable to write temporary files to either $HOME or /var/tmp !!!"
 118                 echo
 119                 exit 1
 120         fi
 121 fi
 122
 123 shopt -s nullglob
 124 shopt -s expand_aliases
 125 unalias -a
 126 alias echo_v=echo
 127
 128 while [ ! -z "$1" ] ; do
 129         case "$1" in
 130         -q | --quiet )
 131                 alias echo_v=:
 132                 shift
 133                 ;;
 134         -nc | --no-color )
 135                 NOCOLOR=true
 136                 shift
 137                 ;;
 138         -nw | --no-warning )
 139                 NOWARNING=true
 140                 shift
 141                 ;;
 142         * )
 143                 echo "Unknown option:  $1"
 144                 exit 1
 145                 ;;
 146         esac
 147 done
 148
 149 # Color Definitions
 150 if [ "$NOCOLOR" = "yes" -o "$NOCOLOR" = "true" ] ; then
 151         NO=""
 152         BR=""
 153         CY=""
 154         GR=""
 155         RD=""
 156         YL=""
 157         BL=""
 158 else
 159         NO="\x1b[0m"
 160         BR="\x1b[0;01m"
 161         CY="\x1b[36;01m"
 162         GR="\x1b[32;01m"
 163         RD="\x1b[31;01m"
 164         YL="\x1b[33;01m"
 165         BL="\x1b[34;01m"
 166 fi
 167
 168 function set_trap () {
 169         trap "rm_temp $1" SIGHUP SIGINT SIGQUIT SIGABRT SIGTERM
 170 }
 171
 172 function rm_temp () {
 173         echo " terminated."
 174         echo "Removing incomplete $1."
 175         rm $1
 176         echo
 177         exit 1
 178 }
 179
 180 # Want program results (especially from pacman) in English
 181 export LC_ALL=C
 182
 183 # Always delete the temporary files from a previous run
 184 rm -f ${LIST}.[0-9]_*
 185
 186 # Clean up no longer needed environment variables
 187 unset PREVIOUS_SEARCH_DIRS PREVIOUS_SEARCH_DIRS_MASK PREVIOUS_LD_LIBRARY_MASK PREVIOUS_PREVIOUS_OPTIONS
 188 unset PRELIMINARY_SEARCH_DIRS PRELIMINARY_SEARCH_DIRS_MASK PRELIMINARY_LD_LIBRARY_MASK
 189
 190 # Log our environment
 191 echo "SEARCH_DIRS=\"$SEARCH_DIRS\"" > $LIST.0_env
 192 echo "SEARCH_DIRS_MASK=\"$SEARCH_DIRS_MASK\"" >> $LIST.0_env
 193 echo "LD_LIBRARY_MASK=\"$LD_LIBRARY_MASK\"" >> $LIST.0_env
 194
 195 echo_v
 196 echo_v "Checking reverse dependencies..."
 197 echo_v
 198 echo_v -n -e "${GR}Collecting system binaries and libraries...${NO}"
 199
 200 set_trap "$LIST.1_*"
 201
 202 # Be extra paranoid and pipe results through sed to remove multiple slashes
 203 # using -perm /u+x for find command
 204 find $SEARCH_DIRS -type f \( -perm /u+x -o -name '*.so' -o -name '*.so.*' -o -name '*.la' \) 2>/dev/null | sort | uniq | sed 's:/\+:/:g' >$LIST.0_files
 205
 206 # Remove files that match SEARCH_DIR_MASK
 207 for dir in $SEARCH_DIRS_MASK ; do
 208         grep -v "^$dir" $LIST.0_files > $LIST.1_files
 209         mv $LIST.1_files $LIST.0_files
 210 done
 211
 212 mv $LIST.0_files $LIST.1_files
 213 echo_v -e " ${GR}done.${NO}\n  ($LIST.1_files)"
 214
 215 echo_v
 216 echo_v -n -e "${GR}Collecting complete LD_LIBRARY_PATH...${NO}"
 217 set_trap "$LIST.2_ldpath"
 218 # Ensure that the "trusted" lib directories are at the start of the path
 219 (
 220         echo /lib* /usr/lib* | sed 's/ /:/g'
 221         sed '/^#/d;s/#.*$//' </etc/ld.so.conf
 222         sed 's:/[^/]*$::' <$LIST.1_files | sort -ru
 223 ) | tr '\n' : | tr -d '\r' | sed 's/:$//' >$LIST.2_ldpath
 224 echo_v -e " ${GR}done.${NO}\n  ($LIST.2_ldpath)"
 225 COMPLETE_LD_LIBRARY_PATH="$(cat $LIST.2_ldpath)"
 226
 227 echo_v
 228 echo_v -e "${GR}Checking dynamic linking consistency...${NO}"
 229 set_trap "$LIST.3_rebuild"
 230 LD_MASK="\\(    $(echo "$LD_LIBRARY_MASK" | sed 's/\./\\./g;s/ / \\|    /g') \\)"
 231 echo -n > $LIST.3_rebuild
 232 cat $LIST.1_files | egrep -v '*\.la$' | while read FILE ; do
 233         # Note: double checking seems to be faster than single
 234         # with complete path (special add-ons are rare).
 235         if ldd "$FILE" 2>/dev/null | grep -v "$LD_MASK" | $SONAME_GREP -q "$SONAME_SEARCH" ; then
 236                 if LD_LIBRARY_PATH="$COMPLETE_LD_LIBRARY_PATH" ldd "$FILE" 2>/dev/null | grep -v "$LD_MASK" | $SONAME_GREP -q "$SONAME_SEARCH" ; then
 237                         # Only build missing direct dependencies
 238                         ALL_MISSING_LIBS=$(ldd "$FILE" 2>/dev/null | sort -u | sed -n 's/       \(.*\) => not found/\1/p' | tr '\n' ' ' | sed 's/ $//' )
 239                         REQUIRED_LIBS=$(objdump -x $FILE | grep NEEDED | awk '{print $2}' | tr '\n' ' ' | sed 's/ $//')
 240                         MISSING_LIBS=""
 241                         for lib in $ALL_MISSING_LIBS ; do
 242                                 if echo $REQUIRED_LIBS | grep -q $lib ; then
 243                                         MISSING_LIBS="$MISSING_LIBS $lib"
 244                                 fi
 245                         done
 246                         if [ "$MISSING_LIBS" != "" ] ; then
 247                                 echo "$FILE" >> $LIST.3_rebuild
 248                                 # MISSING_LIBS already starts with a space
 249                                 echo_v -e "  $FILE ${RD}needs missing${NO}${MISSING_LIBS}"
 250                         fi
 251                 fi
 252         fi
 253 done
 254 # Not sure if *.la files should even be checked
 255 cat $LIST.1_files | egrep '*\.la$' | while read FILE ; do
 256         for depend in $(grep '^dependency_libs' $FILE | awk -F'=' '{print $2}' | sed "s/'//g") ; do
 257                 [ ${depend:0:1} != '/' ] && continue
 258                 if [ ! -e $depend ] ; then
 259                         echo "$FILE" >> $LIST.3_rebuild
 260                         echo_v -e "  $FILE ${RD}needs missing${NO} ${depend}"
 261                 fi
 262         done
 263 done
 264 echo_v -e " ${GR}done${NO}.\n  ($LIST.3_rebuild)"
 265
 266 echo_v
 267 echo_v -n -e "${GR}Assigning files to packages...${NO}"
 268 set_trap "$LIST.4_*"
 269 echo -n > $LIST.4_package_owners
 270 echo -n > $LIST.4_packages_raw
 271 echo -n > $LIST.4_orphans
 272
 273 cat $LIST.3_rebuild | while read FILE ; do
 274         EXACT_PKG=$(pacman -Qo $FILE | awk '{print $5 " " $6}')
 275         PKG=$(echo $EXACT_PKG | awk '{print $1}')
 276         if [ -z "$PKG" ] ; then
 277                 echo_v -n -e "\n  ${RD}*** $FILE is orphan & broken! ***${NO}"
 278                 echo "$FILE -> (none)" >> $LIST.4_package_owners
 279                 echo "$FILE" >> $LIST.4_orphans
 280                 echo_v -n -e "\n  $FILE ${RD}-> (none)${NO}"
 281         else
 282                 echo "$PKG" >> $LIST.4_packages_raw
 283                 echo "$FILE -> $EXACT_PKG" >> $LIST.4_package_owners
 284                 echo_v -n -e "\n  $FILE ${CY}->${NO} ${BR}$PKG${NO}"
 285         fi
 286 done
 287 echo_v
 288 echo_v -e " ${GR}done.${NO}\n  ($LIST.4_*)"
 289
 290 echo_v
 291 echo_v -n -e "${GR}Cleaning list of packages to rebuild...${NO}"
 292 set_trap "$LIST.5_packages"
 293 sort -u $LIST.4_packages_raw >$LIST.5_packages
 294 echo_v -e " ${GR}done.${NO}\n  ($LIST.5_packages)"
 295
 296 REBUILD_LIST="$(cat $LIST.5_packages | tr '\n' ' ')"
 297 ORPHAN_LIST="$(cat $LIST.4_orphans)"
 298
 299 # Clean up no longer needed environment variables
 300 unset COMPLETE_LD_LIBRARY_PATH SEARCH_DIRS SEARCH_DIRS_MASK LD_LIBRARY_MASK
 301
 302 trap - SIGHUP SIGINT SIGQUIT SIGABRT SIGTERM
 303
 304 if [ -z "$REBUILD_LIST" ] && [ -z "$ORPHAN_LIST" ] ; then
 305         echo_v -e "\n${GR}Dynamic linking on your system is consistent.${NO}"
 306         # All OK, so delete temporary files
 307         rm -f ${LIST}.[0-9]_*
 308 else
 309         # Show broken files & packages
 310         if [ -n "$ORPHAN_LIST" ] ; then
 311                 echo -e "\n${RD}Orphaned broken files:${NO}"
 312                 echo "$ORPHAN_LIST"
 313                 echo_v -e "\n${GR}This list of orphaned broken files is in $LIST.4_orphans${NO}"
 314         fi
 315         if [ -n "$REBUILD_LIST" ] ; then
 316                 echo -e "\n${RD}Recompile these packages:${NO}"
 317                 echo -e "${BR}$REBUILD_LIST${NO}"
 318                 if ! [ "$NOWARNING" = "yes" -o "$NOWARNING" = "true" ] ; then
 319                         echo_v -e "\nSome/all breakages may be ${GR}OK${NO} - this program cannot distinguish between ${RD}required${NO}"
 320                         echo_v -e "and ${GR}optional${NO} dependencies. See http://bbs.archlinux.org/viewtopic.php?id=13882"
 321                 fi
 322         fi
 323         # The temporary files are deliberately not deleted, as a source of info
 324 fi
 325
 326 exit 0