tests/test-modprobe/28softdep.sh

   1 #! /bin/sh
   2
   3 BITNESS=32
   4
   5 rm -rf tests/tmp/*
   6
   7 MODULE_DIR=tests/tmp/lib/modules/$MODTEST_UNAME
   8
   9 # Set up modules
  10 mkdir -p $MODULE_DIR
  11 ln tests/data/$BITNESS/normal/noexport_nodep-$BITNESS.ko $MODULE_DIR/a.ko
  12 ln -s a.ko $MODULE_DIR/b.ko
  13 ln -s a.ko $MODULE_DIR/c.ko
  14 ln -s a.ko $MODULE_DIR/d.ko
  15 ln -s a.ko $MODULE_DIR/e.ko
  16 ln -s a.ko $MODULE_DIR/f.ko
  17
  18 # Set up dependencies
  19 cat > $MODULE_DIR/modules.dep << EOF
  20 /lib/modules/$MODTEST_UNAME/a.ko:
  21 /lib/modules/$MODTEST_UNAME/b.ko:
  22 /lib/modules/$MODTEST_UNAME/c.ko:
  23 /lib/modules/$MODTEST_UNAME/d.ko:
  24 /lib/modules/$MODTEST_UNAME/e.ko:
  25 /lib/modules/$MODTEST_UNAME/f.ko:
  26 EOF
  27
  28 # Test softdeps
  29
  30 mkdir -p tests/tmp/etc/modprobe.d
  31 cat > tests/tmp/etc/modprobe.d/modprobe.conf << EOF
  32 alias a_alias a
  33 alias c_alias c
  34 softdep c pre: a_alias b post: d e
  35 softdep e post: f
  36 softdep f pre: a
  37 EOF
  38
  39 # Insert-test
  40
  41 R1=`modprobe -v c_alias 2>&1 | \
  42         grep -v INIT_MODULE\: | \
  43         sed -e "s/\/lib\/modules\/$MODTEST_UNAME\///g"`
  44 R2=`echo $R1`   # remove newlines
  45 [ "$R2" = "insmod a.ko insmod b.ko insmod c.ko insmod d.ko insmod e.ko insmod a.ko insmod f.ko" ]
  46
  47 # Remove-test
  48
  49 R1=`modprobe -v -r c_alias 2>&1 | \
  50         grep -v DELETE_MODULE\: | \
  51         sed -e "s/\/lib\/modules\/$MODTEST_UNAME\///g"`
  52 R2=`echo $R1`   # remove newlines
  53 [ "$R2" = "rmmod f.ko rmmod a.ko rmmod e.ko rmmod d.ko rmmod c.ko rmmod b.ko rmmod a.ko" ]
  54
  55 # Test loop detector
  56
  57 mkdir -p tests/tmp/etc/modprobe.d
  58 cat > tests/tmp/etc/modprobe.d/modprobe.conf << EOF
  59 alias a_alias a
  60 softdep a pre: b
  61 softdep b pre: a
  62 EOF
  63
  64 R1=`modprobe -v a_alias 2>&1 | cat` # shell won't assign to R1 without no-op cat.
  65 # This comparison will fail if MAX_RECURSION is odd. In that case: s/b/a/g
  66 [ "$R1" = "FATAL: modprobe: softdep dependency loop encountered inserting b" ]
  67