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crypto/openssh/freebsd-namespace.sh
- This file was added.
| Property | Old Value | New Value |
|---|---|---|
| File Mode | null | 100755 |
| #!/bin/sh | |||||
| # | |||||
| # Namespace munging inspired by an equivalent hack in NetBSD's tree: add | |||||
| # the "Fssh_" prefix to every symbol in libssh which doesn't already have | |||||
| # it. This prevents collisions between symbols in libssh and symbols in | |||||
| # other libraries or applications which link with libssh, either directly | |||||
| # or indirectly (e.g. through PAM loading pam_ssh). | |||||
| # | |||||
| # $FreeBSD$ | |||||
| # | |||||
| set -e | |||||
| eval "unset $(env | sed -nE 's/^(LC_[A-Z]+)=.*$/\1/p')" | |||||
| export LANG=C | |||||
| error() { | |||||
| echo "$@" >&2 | |||||
| exit 1 | |||||
| } | |||||
| # Locate the source directories | |||||
| self=$(realpath ${0}) | |||||
| srcdir=${self%/*} | |||||
| header=${srcdir}/ssh_namespace.h | |||||
| top_srcdir=${srcdir%/crypto/openssh} | |||||
| libssh_srcdir=${top_srcdir}/secure/lib/libssh | |||||
| if [ ! -d ${srcdir} -o \ | |||||
| ! -f ${header} -o \ | |||||
| ! -d ${libssh_srcdir} -o \ | |||||
| ! -f ${libssh_srcdir}/Makefile ] ; then | |||||
| error "Where is the libssh Makefile?" | |||||
| fi | |||||
| ncpu=$(sysctl -n hw.ncpu) | |||||
| ssh_make() { | |||||
| make -C${libssh_srcdir} -j$((ncpu + 1)) "$@" | |||||
| } | |||||
| # Clear out, recreate and locate the libssh build directory | |||||
| ssh_make cleandir | |||||
| ssh_make cleandir | |||||
| ssh_make obj | |||||
| libssh_builddir=$(realpath $(ssh_make -V.OBJDIR)) | |||||
| libssh=libprivatessh.a | |||||
| # Clear the existing header | |||||
| cat >${header} <<EOF | |||||
| /* | |||||
| * This file was machine-generated. Do not edit manually. | |||||
| * Run crypto/openssh/freebsd-namespace.sh to regenerate. | |||||
| */ | |||||
| EOF | |||||
| # Build libssh | |||||
| ssh_make depend | |||||
| ssh_make ${libssh} | |||||
| if [ ! -f ${libssh_builddir}/${libssh} ] ; then | |||||
| error "Where is ${libssh}?" | |||||
| fi | |||||
| # Extract symbols | |||||
| nm ${libssh_builddir}/${libssh} | awk ' | |||||
| /^[0-9a-z]+ [Tt] [A-Za-z_][0-9A-Za-z_]*$/ && $3 !~ /^Fssh_/ { | |||||
| printf("#define %-39s Fssh_%s\n", $3, $3) | |||||
| } | |||||
| ' | unexpand -a | sort -u >>${header} | |||||
| # Clean and rebuild the library | |||||
| ssh_make clean | |||||
| ssh_make ${libssh} | |||||
| # Double-check | |||||
| nm ${libssh_builddir}/${libssh} | awk ' | |||||
| /^[0-9a-z]+ [Tt] [A-Za-z_][0-9A-Za-z_]*$/ && $3 !~ /^Fssh_/ { | |||||
| printf("ERROR: %s was not renamed!\n", $3); | |||||
| err++; | |||||
| } | |||||
| END { | |||||
| if (err > 0) | |||||
| exit(1); | |||||
| } | |||||
| ' | |||||