blob: 261ccf16128c69e102b6da77975fed20c4be5d1d (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
#!/bin/bash
#
# Common functions to copy binaries and their dependancies.
#
############################################################
#
# Usage: get_dynamic_dependencies [-l <searchdir>] <binary_list>
# * the list must be seperated by spaces
# * the search for lib needed by a binary can be done locally,
# using the -l <searchdir> option
#
# Ouput:
# Will simply echo list of required libraries
# List of libraries to exclude from
BLACKLIST="ld-linux linux-gate linux-vdso libc.so"
LOCALSEARCH=0
LOCALSEARCHDIR=""
CURRENT_BLACKLIST=$(echo ${BLACKLIST} | sed 's/ /\\|/g')
get_dynamic_dependencies() {
if [ "x$1" == "x-l" ]; then
LOCALSEARCH=1
shift
[ ! -d $1 ] && perror "Directory given does not exist, exiting."
LOCALSEARCHDIR=$1
shift
fi
while [ $# != 0 ]; do
local BINARY=$1
shift
local LDD_OUT="ldd_output"
if ldd $BINARY > $LDD_OUT; then
# Case 1: dynamic
for LIB in $(cat $LDD_OUT | grep -v "${CURRENT_BLACKLIST}" | awk '{print $1 $2 $3}'); do
# split the entry into an array, ex:
# libm.so.6 => /lib/libm.so.6 would be split into:
# LIBLINK[0] LIBLINK[1]
local LIBLINK=(${LIB//=>/ })
lib_search
done
else
# Case 2: not a dynamic
pdebug "\t\t\t(Not a dynamic.)"
rm -f $LDD_OUT
continue
fi
rm -f $LDD_OUT
done
}
lib_search(){
# if activated, start by searching the lib locally
if [ "x$LOCALSEARCH" == "x1" ]; then
cd $LOCALSEARCHDIR
local LOCAL_MATCHES=$(find . -name "${LIBLINK[0]}") # | awk -F '.' '{print $1}')".so\*)
cd - &>/dev/null
if [ "x${LOCAL_MATCHES}" != "x" ]; then
for LOCALLIB in ${LOCAL_MATCHES}; do
get_link_chain "${LOCALSEARCHDIR}"/"${LOCALLIB}" "${LOCALSEARCHDIR}"
get_dynamic_dependencies -l "${LOCALSEARCHDIR}" "${LOCALLIB}"
CURRENT_BLACKLIST+="\|${LIBLINK[0]}"
done
# found the libs, we are done
return
fi
# mark local search as done
fi
# search the lib on the system since it was not found earlier
if [ ! -z ${LIBLINK[1]} ] && [ "x${LIBLINK[1]}" != "xnot" ]; then
# get chain of symlink for that lib
get_link_chain "${LIBLINK[1]}"
CURRENT_BLACKLIST+="\|${LIBLINK[1]}"
else
pwarning "\t\tLib '${LIBLINK[0]}' from required dir '$ENTRY' neither found in build directory nor on this system."
pwarning "\t\tIf this lib is not supplied by another module, this module will probably fail in your final system"
fi
}
############################################################
#
# Usage: get_link_chain <link> [prefix]
#
# <link> must be in absolute form-
# [prefix] is the prefix to strip from the ouput.
#
# Output:
# Lists the symlink chain until a hardlink is found.
get_link_chain() {
# sanity checks
if [[ "$1" == /* ]]; then
[ -e $1 ] || perror "get_link_chain: no such file: $1"
else
perror "get_link_chain() requires absolute paths, given: $1"
fi
if [ $# == 2 ] ; then
[ ! -d $2 ] && perror "get_link_chain: $2 is not a directory."
# got a prefix
local PREFIX=$(readlink -f $2)
else
# mark prefix as not set
local PREFIX="notset"
fi
# canonalize
local LINK=$(canonicalize $1)
local CHAIN="$LINK"
# write the first link in the chain
if [ "x$PREFIX" != "x" -a "x$PREFIX" != "xnotset" ]; then
if [ "x${LINK#$PREFIX}" == "x${LINK}" ]; then
# prefix was not in the link
echo "$LINK"
else
# prefix was in the link
echo ./"${LINK#$PREFIX}"
fi
else
# no prefix, copy like it is
echo "$LINK"
fi
# now we check for symlinks
local TRY=0
while [ -L "$LINK" ] && [ $TRY -lt 10 ]; do
let TRY=TRY+1
# save the directory prefix
CURRENTDIR=$(dirname "${LINK}")
# first follow the link
LINK=$(readlink "$LINK")
CHAIN+=" -> $LINK"
# $LINK can be absolute or relative, check cases
[[ "$LINK" == /* ]] || LINK=$(canonicalize "$CURRENTDIR"/"${LINK}")
# write the first link in the chain
if [ "x$PREFIX" != "x" -a "x$PREFIX" != "xnotset" ]; then
if [ "x${LINK#$PREFIX}" == "x${LINK}" ]; then
# prefix was not in the link
echo "$LINK"
else
# prefix was in the link
echo ./"${LINK#$PREFIX}"
fi
else
# no prefix, copy like it is
echo "$LINK"
fi
done
pdebug "\t\t$CHAIN"
}
# Function to get libc and ld-linux
list_basic_libs() {
for i in $(ldd ${SHELL})
do
[ $(echo $i | grep '^/' | grep -c ld) -eq 1 -o $(echo $i | grep '^/' | grep -c libc.so) -eq 1 ] && get_link_chain $i
done
}
|
