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📁 ..	-	2026-03-21 15:44
📄 module-setup.sh #!/usr/bin/bash # module-setup for url-lib # called by dracut check() { require_binaries curl \|\| return 1 return 255 } # called by dracut depends() { echo network return 0 } # called by dracut install() { local _dir _crt _crts _found _lib _nssckbi _p11roots _p11root inst_simple "$moddir/url-lib.sh" "/lib/url-lib.sh" inst_multiple -o ctorrent inst_multiple curl sed if curl --version \| grep -qi '\bNSS\b'; then # also install libs for curl https inst_libdir_file "libnsspem.so" inst_libdir_file "libnsssysinit.so" inst_libdir_file "libsoftokn3.so" inst_libdir_file "libsqlite3.so" fi for _dir in $libdirs; do [[ -d $dracutsysrootdir$_dir ]] \|\| continue for _lib in "$dracutsysrootdir$_dir"/libcurl.so.* "$dracutsysrootdir$_dir"/libcrypto.so.; do [[ -e $_lib ]] \|\| continue if ! [[ $_nssckbi ]]; then read -r -d '' _nssckbi < <(grep -F --binary-files=text -z libnssckbi "$_lib") fi read -r -d '' _crt < <(grep -E --binary-files=text -z "\.(pem\|crt)" "$_lib" \| sed 's/\x0//g') [[ $_crt ]] \|\| continue [[ $_crt == //* ]] \|\| continue if [[ -e $_crt ]]; then _crts="$_crts $_crt" _found=1 fi done done if [[ $_found ]] && [[ -n $_crts ]]; then for _crt in $_crts; do if ! inst "${_crt#$dracutsysrootdir}"; then dwarn "Couldn't install '$_crt' SSL CA cert bundle; HTTPS might not work." continue fi done fi # If we found no cert bundle files referenced in libcurl but we # did find a mention of libnssckbi (checked above), install it. # If its truly NSS libnssckbi, it includes its own trust bundle, # but if it's really p11-kit-trust.so, we need to find the dirs # where it will look for a trust bundle and install them too. if ! [[ $_found ]] && [[ $_nssckbi ]]; then _found=1 inst_libdir_file "libnssckbi.so" \|\| _found= for _dir in $libdirs; do [[ -e $dracutsysrootdir$_dir/libnssckbi.so ]] \|\| continue # this looks for directory-ish strings in the file grep -z -o --binary-files=text '/[[:alpha:]][[:print:]]' "${dracutsysrootdir}${_dir}"/libnssckbi.so \ \| while read -r -d '' _p11roots \|\| [[ $_p11roots ]]; do IFS=":" read -r -a _p11roots <<< "$_p11roots" # the string can be a :-separated list of dirs for _p11root in "${_p11roots[@]}"; do # check if it's actually a directory (there are # several false positives in the results) [[ -d "$dracutsysrootdir$_p11root" ]] \|\| continue # check if it has some specific subdirs that all # p11-kit trust dirs have [[ -d "$dracutsysrootdir${_p11root}/anchors" ]] \|\| continue [[ -d "$dracutsysrootdir${_p11root}/blacklist" ]] \|\| continue # so now we know it's really a p11-kit trust dir; # install everything in it mkdir -p -- "${initdir}/${_p11root}" if ! $DRACUT_CP -L -t "${initdir}/${_p11root}" "${dracutsysrootdir}${_p11root}"/*; then dwarn "Couldn't install from p11-kit trust dir '${_p11root#$dracutsysrootdir}'; HTTPS might not work." fi done done done fi [[ $_found ]] \|\| dwarn "Couldn't find SSL CA cert bundle or libnssckbi.so; HTTPS won't work." }	3.69 KB	2022-06-19 22:35
📄 url-lib.sh #!/usr/bin/sh # url-lib.sh - functions for handling URLs (file fetching etc.) # # Authors: # Will Woods <wwoods@redhat.com> type mkuniqdir > /dev/null 2>&1 \|\| . /lib/dracut-lib.sh # fetch_url URL [OUTFILE] # fetch the given URL to a locally-visible location. # if OUTFILE is given, the URL will be fetched to that filename, # overwriting it if present. # If the URL is something mountable (e.g. nfs://) and no OUTFILE is given, # the server will be left mounted until pre-pivot. # the return values are as follows: # 0: success # 253: unknown error (file missing) # 254: unhandled URL scheme / protocol # 255: bad arguments / unparseable URLs # other: fetch command failure (whatever curl/mount/etc return) fetch_url() { local url="$1" outloc="$2" local handler handler="$(get_url_handler "$url")" [ -n "$handler" ] \|\| return 254 [ -n "$url" ] \|\| return 255 "$handler" "$url" "$outloc" } # get_url_handler URL # returns the first HANDLERNAME corresponding to the URL's scheme get_url_handler() { local scheme="${1%%:}" item="" for item in $url_handler_map; do [ "$scheme" = "${item%%:}" ] && echo "${item#:}" && return 0 done return 1 } # add_url_handler HANDLERNAME SCHEME [SCHEME...] # associate the named handler with the named scheme(s). add_url_handler() { local handler="$1" shift local schemes="$" scheme="" set -- for scheme in $schemes; do [ "$(get_url_handler "$scheme")" = "$handler" ] && continue set -- "$@" "$scheme:$handler" done set -- "$@" "$url_handler_map" # add new items to front of list url_handler_map="$" } ### HTTP, HTTPS, FTP ################################################# export CURL_HOME="/run/initramfs/url-lib" mkdir -p $CURL_HOME curl_args="--globoff --location --retry 3 --retry-connrefused --fail --show-error" getargbool 0 rd.noverifyssl && curl_args="$curl_args --insecure" proxy=$(getarg proxy=) [ -n "$proxy" ] && curl_args="$curl_args --proxy $proxy" curl_fetch_url() { local url="$1" outloc="$2" echo "$url" > /proc/self/fd/0 if [ -n "$outloc" ]; then # shellcheck disable=SC2086 curl $curl_args --output "$outloc" -- "$url" \|\| return $? else local outdir outdir="$(mkuniqdir /tmp curl_fetch_url)" ( cd "$outdir" \|\| exit # shellcheck disable=SC2086 curl $curl_args --remote-name "$url" \|\| return $? ) outloc="$outdir/$(ls -A "$outdir")" fi if ! [ -f "$outloc" ]; then warn "Downloading '$url' failed!" return 253 fi if [ -z "$2" ]; then echo "$outloc"; fi } add_url_handler curl_fetch_url http https ftp tftp set_http_header() { echo "header = \"$1: $2\"" >> $CURL_HOME/.curlrc } ### TORRENT ########################################################## ctorrent_args="-E 0 -e 0" ctorrent_fetch_url() { local url="$1" outloc="$2" url=${url#//} torrent_outloc="$outloc.torrent" echo "$url" > /proc/self/fd/0 if [ -n "$outloc" ]; then # shellcheck disable=SC2086 curl $curl_args --output "$torrent_outloc" -- "$url" \|\| return $? else local outdir outdir="$(mkuniqdir /tmp torrent_fetch_url)" ( cd "$outdir" \|\| exit # shellcheck disable=SC2086 curl $curl_args --remote-name "$url" \|\| return $? ) torrent_outloc="$outdir/$(ls -A "$outdir")" outloc=${torrent_outloc%.} fi if ! [ -f "$torrent_outloc" ]; then warn "Downloading '$url' failed!" return 253 fi # shellcheck disable=SC2086 ctorrent $ctorrent_args -s "$outloc" "$torrent_outloc" >&2 if ! [ -f "$outloc" ]; then warn "Torrent download of '$url' failed!" return 253 fi if [ -z "$2" ]; then echo "$outloc"; fi } command -v ctorrent > /dev/null \ && add_url_handler ctorrent_fetch_url torrent ### NFS ############################################################## [ -e /lib/nfs-lib.sh ] && . /lib/nfs-lib.sh nfs_already_mounted() { local server="$1" path="$2" s="" p="" while read -r src mnt rest \|\| [ -n "$src" ]; do splitsep ":" "$src" s p p=${p%/} if [ "$server" = "$s" ]; then if [ "$path" = "$p" ]; then echo "$mnt" elif str_starts "$path" "$p"; then echo "$mnt"/"${path#$p/}" fi fi done < /proc/mounts } nfs_fetch_url() { local url="$1" outloc="$2" nfs="" server="" path="" options="" nfs_to_var "$url" \|\| return 255 local filepath="${path%/}" filename="${path##*/}" mntdir="" # skip mount if server:/filepath is already mounted mntdir=$(nfs_already_mounted "$server" "$filepath") if [ -z "$mntdir" ]; then local mntdir mntdir="$(mkuniqdir /run nfs_mnt)" mount_nfs "$nfs:$server:$filepath${options:+:$options}" "$mntdir" # lazy unmount during pre-pivot hook inst_hook --hook pre-pivot --name 99url-lib-umount-nfs-"$(basename "$mntdir")" umount -l -- "$mntdir" fi if [ -z "$outloc" ]; then outloc="$mntdir/$filename" else cp -f -- "$mntdir/$filename" "$outloc" \|\| return $? fi [ -f "$outloc" ] \|\| return 253 if [ -z "$2" ]; then echo "$outloc"; fi } command -v nfs_to_var > /dev/null && add_url_handler nfs_fetch_url nfs nfs4	5.3 KB	2025-12-17 17:48

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