tests/threadsafety

   1 #!/bin/sh
   2
   3 # Copyright (C) 2004-2014 Free Software Foundation, Inc.
   4 #
   5 # This program is free software: you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation, either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 FILES="$@"
  19 FILES=${FILES:-$THREADSAFETY_FILES}
  20 EGREP=${EGREP:-egrep}
  21
  22 if test -z "$FILES"; then
  23     echo "Usage: $0 [FILE...]"
  24     exit 1
  25 fi
  26
  27 UNSAFE=""
  28
  29 # Thread unsafe functions according to latest POSIX, see:
  30 # http://www.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html#tag_15_09_01
  31 UNSAFE="$UNSAFE asctime"
  32 UNSAFE="$UNSAFE basename"
  33 UNSAFE="$UNSAFE catgets"
  34 UNSAFE="$UNSAFE crypt"
  35 UNSAFE="$UNSAFE ctime"
  36 UNSAFE="$UNSAFE dbm_clearerr"
  37 UNSAFE="$UNSAFE dbm_close"
  38 UNSAFE="$UNSAFE dbm_delete"
  39 UNSAFE="$UNSAFE dbm_error"
  40 UNSAFE="$UNSAFE dbm_fetch"
  41 UNSAFE="$UNSAFE dbm_firstkey"
  42 UNSAFE="$UNSAFE dbm_nextkey"
  43 UNSAFE="$UNSAFE dbm_open"
  44 UNSAFE="$UNSAFE dbm_store"
  45 UNSAFE="$UNSAFE dirname"
  46 UNSAFE="$UNSAFE dlerror"
  47 UNSAFE="$UNSAFE drand48"
  48 UNSAFE="$UNSAFE encrypt"
  49 UNSAFE="$UNSAFE endgrent"
  50 UNSAFE="$UNSAFE endpwent"
  51 UNSAFE="$UNSAFE endutxent"
  52 UNSAFE="$UNSAFE ftw"
  53 UNSAFE="$UNSAFE getc_unlocked"
  54 UNSAFE="$UNSAFE getchar_unlocked"
  55 UNSAFE="$UNSAFE getdate"
  56 UNSAFE="$UNSAFE getenv"
  57 UNSAFE="$UNSAFE getgrent"
  58 UNSAFE="$UNSAFE getgrgid"
  59 UNSAFE="$UNSAFE getgrnam"
  60 UNSAFE="$UNSAFE gethostent"
  61 UNSAFE="$UNSAFE getlogin"
  62 UNSAFE="$UNSAFE getnetbyaddr"
  63 UNSAFE="$UNSAFE getnetbyname"
  64 UNSAFE="$UNSAFE getnetent"
  65 UNSAFE="$UNSAFE getopt"
  66 UNSAFE="$UNSAFE getprotobyname"
  67 UNSAFE="$UNSAFE getprotobynumber"
  68 UNSAFE="$UNSAFE getprotoent"
  69 UNSAFE="$UNSAFE getpwent"
  70 UNSAFE="$UNSAFE getpwnam"
  71 UNSAFE="$UNSAFE getpwuid"
  72 UNSAFE="$UNSAFE getservbyname"
  73 UNSAFE="$UNSAFE getservbyport"
  74 UNSAFE="$UNSAFE getservent"
  75 UNSAFE="$UNSAFE getutxent"
  76 UNSAFE="$UNSAFE getutxid"
  77 UNSAFE="$UNSAFE getutxline"
  78 UNSAFE="$UNSAFE gmtime"
  79 UNSAFE="$UNSAFE hcreate"
  80 UNSAFE="$UNSAFE hdestroy"
  81 UNSAFE="$UNSAFE hsearch"
  82 UNSAFE="$UNSAFE inet_ntoa"
  83 UNSAFE="$UNSAFE l64a"
  84 UNSAFE="$UNSAFE lgamma"
  85 UNSAFE="$UNSAFE lgammaf"
  86 UNSAFE="$UNSAFE lgammal"
  87 UNSAFE="$UNSAFE localeconv"
  88 UNSAFE="$UNSAFE localtime"
  89 UNSAFE="$UNSAFE lrand48"
  90 UNSAFE="$UNSAFE mrand48"
  91 UNSAFE="$UNSAFE nftw"
  92 UNSAFE="$UNSAFE nl_langinfo"
  93 UNSAFE="$UNSAFE ptsname"
  94 UNSAFE="$UNSAFE putc_unlocked"
  95 UNSAFE="$UNSAFE putchar_unlocked"
  96 UNSAFE="$UNSAFE putenv"
  97 UNSAFE="$UNSAFE pututxline"
  98 UNSAFE="$UNSAFE rand"
  99 UNSAFE="$UNSAFE readdir"
 100 UNSAFE="$UNSAFE setenv"
 101 UNSAFE="$UNSAFE setgrent"
 102 UNSAFE="$UNSAFE setkey"
 103 UNSAFE="$UNSAFE setpwent"
 104 UNSAFE="$UNSAFE setutxent"
 105 UNSAFE="$UNSAFE strerror"
 106 UNSAFE="$UNSAFE strsignal"
 107 UNSAFE="$UNSAFE strtok"
 108 UNSAFE="$UNSAFE system"
 109 UNSAFE="$UNSAFE ttyname"
 110 UNSAFE="$UNSAFE unsetenv"
 111 UNSAFE="$UNSAFE wcstombs"
 112 UNSAFE="$UNSAFE wctomb"
 113
 114 # Additional functions that aren't thread-safe if passed a NULL argument
 115 UNSAFE="$UNSAFE ctermid"
 116 UNSAFE="$UNSAFE tmpname"
 117 UNSAFE="$UNSAFE wcrtomb"
 118 UNSAFE="$UNSAFE wcsrtombs"
 119
 120 # Legacy functions removed between issue 6 and 7, see:
 121 # http://www.opengroup.org/onlinepubs/009695399/functions/xsh_chap02_09.html#tag_02_09_01
 122 UNSAFE="$UNSAFE ecvt"
 123 UNSAFE="$UNSAFE fcvt"
 124 UNSAFE="$UNSAFE gcvt"
 125 UNSAFE="$UNSAFE gethostbyaddr"
 126 UNSAFE="$UNSAFE gethostbyname"
 127
 128 # Other (potentially) thread unsafe functions, see:
 129 # http://blog.josefsson.org/2009/06/23/thread-safe-functions/
 130 UNSAFE="$UNSAFE erand48"
 131 UNSAFE="$UNSAFE ether_aton"
 132 UNSAFE="$UNSAFE ether_ntoa"
 133 UNSAFE="$UNSAFE fgetgrent"
 134 UNSAFE="$UNSAFE fgetpwent"
 135 UNSAFE="$UNSAFE fgetspent"
 136 UNSAFE="$UNSAFE getaliasbyname"
 137 UNSAFE="$UNSAFE getaliasent"
 138 UNSAFE="$UNSAFE gethostbyname2"
 139 UNSAFE="$UNSAFE getmntent"
 140 UNSAFE="$UNSAFE getnetgrent"
 141 UNSAFE="$UNSAFE getrpcbyname"
 142 UNSAFE="$UNSAFE getrpcbynumber"
 143 UNSAFE="$UNSAFE getrpcent"
 144 UNSAFE="$UNSAFE getspent"
 145 UNSAFE="$UNSAFE getspnam"
 146 UNSAFE="$UNSAFE getutent"
 147 UNSAFE="$UNSAFE getutid"
 148 UNSAFE="$UNSAFE getutline"
 149 UNSAFE="$UNSAFE initstate"
 150 UNSAFE="$UNSAFE jrand48"
 151 UNSAFE="$UNSAFE lcong48"
 152 UNSAFE="$UNSAFE nrand48"
 153 UNSAFE="$UNSAFE qecvt"
 154 UNSAFE="$UNSAFE qfcvt"
 155 UNSAFE="$UNSAFE random"
 156 UNSAFE="$UNSAFE seed48"
 157 UNSAFE="$UNSAFE setstate"
 158 UNSAFE="$UNSAFE sgetspent"
 159 UNSAFE="$UNSAFE srand48"
 160 UNSAFE="$UNSAFE srandom"
 161
 162 set -- $UNSAFE
 163 cmd="-e [^.>=_0-9a-z]($1"
 164 shift
 165 while test "$1"; do
 166     cmd="${cmd}|$1"
 167     shift
 168 done
 169 cmd="${cmd})[^.>=_0-9a-z]*\("
 170
 171 if $EGREP $cmd $FILES; then
 172     exit 1
 173 fi
 174
 175 exit 0