From f61f075b1cd4c226d1633abd383565934bea2f0d Mon Sep 17 00:00:00 2001 From: Dave Reisner Date: Sun, 8 Apr 2012 14:51:28 -0400 Subject: pacman-key: adopt parseopts for option parsing This requires an ugly amount of reworking of how pacman-key handles options. The change simply to avoid passing keys, files, and directories as arguments to options, but to leave them as arguments to the overall program. This is reasonable since pacman-key limits the user to essentially one operation per invocation (like pacman). Since we now pass around the positional parameters to the various operations, we can add some better sanity checking. Each operation is responsible for testing input and making sure it can operate properly, otherwise it throws an error and exits. The doc is updated to reflect this, and uses similar verbiage as pacman, describing the non-option arguments now passed to pacman-key as targets. Similar to the doc, --help is reorganized to separate operations and options and remove argument tokens from operations. Signed-off-by: Dave Reisner --- doc/pacman-key.8.txt | 74 +++++++++++--------- scripts/Makefile.am | 2 +- scripts/pacman-key.sh.in | 179 +++++++++++++++++++++++++---------------------- 3 files changed, 135 insertions(+), 120 deletions(-) diff --git a/doc/pacman-key.8.txt b/doc/pacman-key.8.txt index 3631ec8c..96ac31c3 100644 --- a/doc/pacman-key.8.txt +++ b/doc/pacman-key.8.txt @@ -12,7 +12,7 @@ pacman-key - manage pacman's list of trusted keys Synopsis -------- -'pacman-key' [options] +'pacman-key' [options] operation [targets] Description @@ -26,45 +26,40 @@ More complex keyring management can be achieved using GnuPG directly combined wi the '\--homedir' option pointing at the pacman keyring (located in +{sysconfdir}/pacman.d/gnupg+ by default). +Invoking pacman-key consists of supplying an operation with any potential +options and targets to operate on. Depending on the operation, a 'target' may +be a valid key identifier, filename, or directory. -Options -------- -*-a, \--add* [file(s)]:: +Operations +---------- +*-a, \--add*:: Add the key(s) contained in the specified file or files to pacman's keyring. If a key already exists, update it. -*\--config* :: - Use an alternate config file instead of the +{sysconfdir}/pacman.conf+ - default. - -*-d, \--delete* :: +*-d, \--delete*:: Remove the key(s) identified by the specified keyid(s) from pacman's keyring. -*-e, \--export* [keyid(s)]:: +*-e, \--export*:: Export key(s) identified by the specified keyid(s) to 'stdout'. If no keyid is specified, all keys will be exported. -*\--edit-key* :: +*\--edit-key*:: Present a menu for key management task on the specified keyid(s). Useful for adjusting a keys trust level. -*-f, \--finger* [keyid(s)]:: +*-f, \--finger*:: List a fingerprint for each specified keyid, or for all known keys if no keyids are specified. -*\--gpgdir* :: - Set an alternate home directory for GnuPG. If unspecified, the value is - read from +{sysconfdir}/pacman.conf+. - *-h, \--help*:: Output syntax and command line options. -*\--import* :: +*\--import*:: Imports keys from `pubring.gpg` into the public keyring from the specified directories. -*\--import-trustdb* :: +*\--import-trustdb*:: Imports ownertrust values from `trustdb.gpg` into the shared trust database from the specified directories. @@ -72,42 +67,53 @@ Options Ensure the keyring is properly initialized and has the required access permissions. -*\--keyserver* :: - Use the specified keyserver if the operation requires one. This will take - precedence over any keyserver option specified in a `gpg.conf` - configuration file. Running '\--init' with this option will set the default - keyserver if one was not already configured. - -*-l, \--list-keys* [keyid(s)]:: +*-l, \--list-keys*:: Lists all or specified keys from the public keyring. -*\--list-sigs* [keyid(s)]:: +*\--list-sigs*:: Same as '\--list-keys', but the signatures are listed too. -*\--lsign-key* :: +*\--lsign-key*:: Locally sign the given key. This is primarily used to root the web of trust in the local private key generated by '\--init'. -*-r, \--recv-keys* :: +*-r, \--recv-keys*:: Equivalent to '\--recv-keys' in GnuPG. -*\--refresh-keys* [keyid(s)]:: +*\--refresh-keys*:: Equivalent to '\--refresh-keys' in GnuPG. -*\--populate* [keyring(s)]:: +*\--populate*:: Reload the default keys from the (optionally provided) keyrings in +{pkgdatadir}/keyrings+. For more information, see <> below. *-u, \--updatedb*:: - Equivalent to '\--check-trustdb' in GnuPG. - -*-v, \--verify* :: - Verify the given signature file. + Equivalent to '\--check-trustdb' in GnuPG. This operation can be specified with + other operations. *-V, \--version*:: Displays the program version. +*-v, \--verify*:: + Verify the given signature file. + +Options +------- +*\--config* :: + Use an alternate config file instead of the +{sysconfdir}/pacman.conf+ + default. + +*\--gpgdir* :: + Set an alternate home directory for GnuPG. If unspecified, the value is + read from +{sysconfdir}/pacman.conf+. + +*\--keyserver* :: + Use the specified keyserver if the operation requires one. This will take + precedence over any keyserver option specified in a `gpg.conf` + configuration file. Running '\--init' with this option will set the default + keyserver if one was not already configured. + Providing a Keyring for Import ------------------------------ diff --git a/scripts/Makefile.am b/scripts/Makefile.am index 0df90e13..fc70732f 100644 --- a/scripts/Makefile.am +++ b/scripts/Makefile.am @@ -77,7 +77,7 @@ pacman-db-upgrade: \ pacman-key: \ $(srcdir)/pacman-key.sh.in \ $(srcdir)/library/output_format.sh \ - $(srcdir)/library/parse_options.sh + $(srcdir)/library/parseopts.sh pacman-optimize: \ $(srcdir)/pacman-optimize.sh.in \ diff --git a/scripts/pacman-key.sh.in b/scripts/pacman-key.sh.in index 288b76eb..2ee05c51 100644 --- a/scripts/pacman-key.sh.in +++ b/scripts/pacman-key.sh.in @@ -49,40 +49,43 @@ DEFAULT_KEYSERVER='hkp://pool.sks-keyservers.net' m4_include(library/output_format.sh) -m4_include(library/parse_options.sh) +m4_include(library/parseopts.sh) usage() { printf "pacman-key (pacman) %s\n" ${myver} echo - printf -- "$(gettext "Usage: %s [options]")\n" $(basename $0) + printf -- "$(gettext "Usage: %s [options] operation [targets]")\n" $(basename $0) echo printf -- "$(gettext "Manage pacman's list of trusted keys")\n" echo - printf -- "$(gettext "Options:")\n" - printf -- "$(gettext " -a, --add [file(s)] Add the specified keys (empty for stdin)")\n" - printf -- "$(gettext " -d, --delete Remove the specified keyids")\n" - printf -- "$(gettext " -e, --export [keyid(s)] Export the specified or all keyids")\n" - printf -- "$(gettext " -f, --finger [keyid(s)] List fingerprint for specified or all keyids")\n" - printf -- "$(gettext " -h, --help Show this help message and exit")\n" - printf -- "$(gettext " -l, --list-keys [keyid(s)] List the specified or all keys")\n" - printf -- "$(gettext " -r, --recv-keys Fetch the specified keyids")\n" + printf -- "$(gettext "Operations:")\n" + printf -- "$(gettext " -a, --add Add the specified keys (empty for stdin)")\n" + printf -- "$(gettext " -d, --delete Remove the specified keyids")\n" + printf -- "$(gettext " -e, --export Export the specified or all keyids")\n" + printf -- "$(gettext " -f, --finger List fingerprint for specified or all keyids")\n" + printf -- "$(gettext " -l, --list-keys List the specified or all keys")\n" + printf -- "$(gettext " -r, --recv-keys Fetch the specified keyids")\n" printf -- "$(gettext " -u, --updatedb Update the trustdb of pacman")\n" - printf -- "$(gettext " -v, --verify Verify the file specified by the signature")\n" - printf -- "$(gettext " -V, --version Show program version")\n" + printf -- "$(gettext " -v, --verify Verify the file specified by the signature")\n" + printf -- "$(gettext " --edit-key Present a menu for key management task on keyids")\n" + printf -- "$(gettext " --import Imports pubring.gpg from dir(s)")\n" + printf -- "$(gettext " --import-trustdb Imports ownertrust values from trustdb.gpg in dir(s)")\n" + printf -- "$(gettext " --init Ensure the keyring is properly initialized")\n" + printf -- "$(gettext " --list-sigs List keys and their signatures")\n" + printf -- "$(gettext " --lsign-key Locally sign the specified keyid")\n" + printf -- "$(gettext " --populate Reload the default keys from the (given) keyrings\n\ + in '%s'")\n" "@pkgdatadir@/keyrings" + printf -- "$(gettext " --refresh-keys Update specified or all keys from a keyserver")\n" + echo + printf -- "$(gettext "Options:")\n" printf -- "$(gettext " --config Use an alternate config file (instead of\n\ '%s')")\n" "@sysconfdir@/pacman.conf" - printf -- "$(gettext " --edit-key Present a menu for key management task on keyids")\n" printf -- "$(gettext " --gpgdir Set an alternate directory for GnuPG (instead\n\ of '%s')")\n" "@sysconfdir@/pacman.d/gnupg" - printf -- "$(gettext " --import Imports pubring.gpg from dir(s)")\n" - printf -- "$(gettext " --import-trustdb Imports ownertrust values from trustdb.gpg in dir(s)")\n" - printf -- "$(gettext " --init Ensure the keyring is properly initialized")\n" - printf -- "$(gettext " --keyserver Specify a keyserver to use if necessary")\n" - printf -- "$(gettext " --list-sigs [keyid(s)] List keys and their signatures")\n" - printf -- "$(gettext " --lsign-key Locally sign the specified keyid")\n" - printf -- "$(gettext " --populate [keyring(s)] Reload the default keys from the (given) keyrings\n\ - in '%s'")\n" "@pkgdatadir@/keyrings" - printf -- "$(gettext " --refresh-keys [keyid(s)] Update specified or all keys from a keyserver")\n" + printf -- "$(gettext " --keyserver Specify a keyserver to use if necessary")\n" + echo + printf -- "$(gettext " -h, --help Show this help message and exit")\n" + printf -- "$(gettext " -V, --version Show program version")\n" } version() { @@ -146,7 +149,7 @@ add_gpg_conf_option() { check_keyids_exist() { local ret=0 - for key in "${KEYIDS[@]}"; do + for key in "$@"; do # Verify if the key exists in pacman's keyring if ! "${GPG_PACMAN[@]}" --list-keys "$key" &>/dev/null ; then error "$(gettext "The key identified by %s could not be found locally.")" "$key" @@ -217,16 +220,16 @@ check_keyring() { populate_keyring() { local KEYRING_IMPORT_DIR='@pkgdatadir@/keyrings' - local keyring + local keyring KEYRINGIDS=("$@") local ret=0 - if [[ -z ${KEYRINGIDS[@]} ]]; then + if (( ${#KEYRINGIDS[*]} == 0 )); then # get list of all available keyrings shopt -s nullglob KEYRINGIDS=("$KEYRING_IMPORT_DIR"/*.gpg) shopt -u nullglob KEYRINGIDS=("${KEYRINGIDS[@]##*/}") KEYRINGIDS=("${KEYRINGIDS[@]%.gpg}") - if [[ -z ${KEYRINGIDS[@]} ]]; then + if (( ${#KEYRINGIDS[*]} == 0 )); then error "$(gettext "No keyring files exist in %s.")" "$KEYRING_IMPORT_DIR" ret=1 fi @@ -311,24 +314,24 @@ populate_keyring() { } add_keys() { - if ! "${GPG_PACMAN[@]}" --quiet --batch --import "${KEYFILES[@]}" ; then + if ! "${GPG_PACMAN[@]}" --quiet --batch --import "$@" ; then error "$(gettext "A specified keyfile could not be added to the gpg keychain.")" exit 1 fi } delete_keys() { - check_keyids_exist - if ! "${GPG_PACMAN[@]}" --quiet --batch --delete-key --yes "${KEYIDS[@]}" ; then + check_keyids_exist "$@" + if ! "${GPG_PACMAN[@]}" --quiet --batch --delete-key --yes "$@" ; then error "$(gettext "A specified key could not be removed from the gpg keychain.")" exit 1 fi } edit_keys() { - check_keyids_exist + check_keyids_exist "$@" local ret=0 - for key in "${KEYIDS[@]}"; do + for key in "$@"; do if ! "${GPG_PACMAN[@]}" --edit-key "$key" ; then error "$(gettext "The key identified by %s could not be edited.")" "$key" ret=1 @@ -340,8 +343,8 @@ edit_keys() { } export_keys() { - check_keyids_exist - if ! "${GPG_PACMAN[@]}" --armor --export "${KEYIDS[@]}" ; then + check_keyids_exist "$@" + if ! "${GPG_PACMAN[@]}" --armor --export "$@" ; then error "$(gettext "A specified key could not be exported from the gpg keychain.")" exit 1 fi @@ -349,7 +352,7 @@ export_keys() { finger_keys() { check_keyids_exist - if ! "${GPG_PACMAN[@]}" --batch --fingerprint "${KEYIDS[@]}" ; then + if ! "${GPG_PACMAN[@]}" --batch --fingerprint "$@" ; then error "$(gettext "The fingerprint of a specified key could not be determined.")" exit 1 fi @@ -358,7 +361,7 @@ finger_keys() { import_trustdb() { local importdir local ret=0 - for importdir in "${IMPORT_DIRS[@]}"; do + for importdir in "$@"; do if [[ -f "${importdir}/trustdb.gpg" ]]; then gpg --homedir "${importdir}" --export-ownertrust | \ "${GPG_PACMAN[@]}" --import-ownertrust - @@ -379,7 +382,7 @@ import_trustdb() { import() { local importdir local ret=0 - for importdir in "${IMPORT_DIRS[@]}"; do + for importdir in "$@"; do if [[ -f "${importdir}/pubring.gpg" ]]; then if ! "${GPG_PACMAN[@]}" --quiet --batch --import "${importdir}/pubring.gpg" ; then error "$(gettext "%s could not be imported.")" "${importdir}/pubring.gpg" @@ -397,7 +400,7 @@ import() { list_keys() { check_keyids_exist - if ! "${GPG_PACMAN[@]}" --batch --list-keys "${KEYIDS[@]}" ; then + if ! "${GPG_PACMAN[@]}" --batch --list-keys "$@" ; then error "$(gettext "A specified key could not be listed.")" exit 1 fi @@ -405,7 +408,7 @@ list_keys() { list_sigs() { check_keyids_exist - if ! "${GPG_PACMAN[@]}" --batch --list-sigs "${KEYIDS[@]}" ; then + if ! "${GPG_PACMAN[@]}" --batch --list-sigs "$@" ; then error "$(gettext "A specified signature could not be listed.")" exit 1 fi @@ -413,7 +416,7 @@ list_sigs() { lsign_keys() { check_keyids_exist - printf 'y\ny\n' | LANG=C "${GPG_PACMAN[@]}" --command-fd 0 --quiet --batch --lsign-key "${KEYIDS[@]}" 2>/dev/null + printf 'y\ny\n' | LANG=C "${GPG_PACMAN[@]}" --command-fd 0 --quiet --batch --lsign-key "$@" 2>/dev/null if (( PIPESTATUS[1] )); then error "$(gettext "A specified key could not be locally signed.")" exit 1 @@ -421,23 +424,23 @@ lsign_keys() { } receive_keys() { - if ! "${GPG_PACMAN[@]}" --recv-keys "${KEYIDS[@]}" ; then + if ! "${GPG_PACMAN[@]}" --recv-keys "$@" ; then error "$(gettext "Remote key not fetched correctly from keyserver.")" exit 1 fi } refresh_keys() { - check_keyids_exist - if ! "${GPG_PACMAN[@]}" --refresh-keys "${KEYIDS[@]}" ; then + check_keyids_exist "$@" + if ! "${GPG_PACMAN[@]}" --refresh-keys "$@" ; then error "$(gettext "A specified local key could not be updated from a keyserver.")" exit 1 fi } verify_sig() { - if ! "${GPG_PACMAN[@]}" --status-fd 1 --verify $SIGNATURE | grep -qE 'TRUST_(FULLY|ULTIMATE)'; then - error "$(gettext "The signature identified by %s could not be verified.")" "$SIGNATURE" + if ! "${GPG_PACMAN[@]}" --status-fd 1 --verify "$1" | grep -qE 'TRUST_(FULLY|ULTIMATE)'; then + error "$(gettext "The signature identified by %s could not be verified.")" "$1" exit 1 fi } @@ -457,56 +460,55 @@ if ! type gettext &>/dev/null; then } fi -OPT_SHORT="a::d:e::f::hl::r:uv:V" -OPT_LONG="add::,config:,delete:,edit-key:,export::,finger::,gpgdir:" -OPT_LONG+=",help,import:,import-trustdb:,init,keyserver:,list-keys::,list-sigs::" -OPT_LONG+=",lsign-key:,populate::,recv-keys:,refresh-keys::,updatedb" -OPT_LONG+=",verify:,version" -if ! OPT_TEMP="$(parse_options $OPT_SHORT $OPT_LONG "$@")"; then +OPT_SHORT="adefhlruvV" +OPT_LONG=('add' 'config:' 'delete' 'edit-key' 'export' 'finger' 'gpgdir:' + 'help' 'import' 'import-trustdb' 'init' 'keyserver:' 'list-keys' 'list-sigs' + 'lsign-key' 'populate' 'recv-keys' 'refresh-keys' 'updatedb' + 'verify' 'version') +if ! parseopts "$OPT_SHORT" "${OPT_LONG[@]}" -- "$@"; then echo; usage; exit 1 # E_INVALID_OPTION; fi -eval set -- "$OPT_TEMP" -unset OPT_SHORT OPT_LONG OPT_TEMP +set -- "${OPTRET[@]}" +unset OPT_SHORT OPT_LONG OPTRET if [[ $1 == "--" ]]; then usage; exit 0; fi -while true; do - case "$1" in - -a|--add) ADD=1; [[ -n $2 && ${2:0:1} != "-" ]] && shift && KEYFILES=($1); UPDATEDB=1 ;; +while (( $# )); do + case $1 in + -a|--add) ADD=1 UPDATEDB=1 ;; --config) shift; CONFIG=$1 ;; - -d|--delete) DELETE=1; shift; KEYIDS=($1); UPDATEDB=1 ;; - --edit-key) EDITKEY=1; shift; KEYIDS=($1); UPDATEDB=1 ;; - -e|--export) EXPORT=1; [[ -n $2 && ${2:0:1} != "-" ]] && shift && KEYIDS=($1) ;; - -f|--finger) FINGER=1; [[ -n $2 && ${2:0:1} != "-" ]] && shift && KEYIDS=($1) ;; + -d|--delete) DELETE=1 UPDATEDB=1 ;; + --edit-key) EDITKEY=1 UPDATEDB=1 ;; + -e|--export) EXPORT=1 ;; + -f|--finger) FINGER=1 ;; --gpgdir) shift; PACMAN_KEYRING_DIR=$1 ;; - --import) IMPORT=1; shift; IMPORT_DIRS=($1); UPDATEDB=1 ;; - --import-trustdb) IMPORT_TRUSTDB=1; shift; IMPORT_DIRS=($1); UPDATEDB=1 ;; + --import) IMPORT=1 UPDATEDB=1 ;; + --import-trustdb) IMPORT_TRUSTDB=1 UPDATEDB=1 ;; --init) INIT=1 ;; --keyserver) shift; KEYSERVER=$1 ;; - -l|--list-keys) LISTKEYS=1; [[ -n $2 && ${2:0:1} != "-" ]] && shift && KEYIDS=($1) ;; - --list-sigs) LISTSIGS=1; [[ -n $2 && ${2:0:1} != "-" ]] && shift && KEYIDS=($1) ;; - --lsign-key) LSIGNKEY=1; shift; KEYIDS=($1); UPDATEDB=1 ;; - --populate) POPULATE=1; [[ -n $2 && ${2:0:1} != "-" ]] && shift && KEYRINGIDS=($1); UPDATEDB=1 ;; - -r|--recv-keys) RECEIVE=1; shift; KEYIDS=($1); UPDATEDB=1 ;; - --refresh-keys) REFRESH=1; [[ -n $2 && ${2:0:1} != "-" ]] && shift && KEYIDS=($1) ;; + -l|--list-keys) LISTKEYS=1 ;; + --list-sigs) LISTSIGS=1 ;; + --lsign-key) LSIGNKEY=1 UPDATEDB=1 ;; + --populate) POPULATE=1 UPDATEDB=1 ;; + -r|--recv-keys) RECEIVE=1 UPDATEDB=1 ;; + --refresh-keys) REFRESH=1 ;; -u|--updatedb) UPDATEDB=1 ;; - -v|--verify) VERIFY=1; shift; SIGNATURE=$1 ;; + -v|--verify) VERIFY=1 ;; -h|--help) usage; exit 0 ;; -V|--version) version; exit 0 ;; - --) OPT_IND=0; shift; break;; - *) usage; exit 1 ;; + --) shift; break 2 ;; esac shift done if ! type -p gpg >/dev/null; then - error "$(gettext "Cannot find the %s binary required for all %s operations.")" "gpg" "pacman-key" + error "$(gettext "Cannot find the %s binary required for all %s operations.")" "gpg" "pacman-key" exit 1 fi @@ -549,23 +551,30 @@ case $numopt in ;; esac +# check for targets where needed +if (( (ADD || DELETE || EDIT || IMPORT || IMPORT_TRUSTDB || + LSIGNKEY || RECEIVE || VERIFY) && $# == 0 )); then + error "$(gettext "No targets specified")" + exit 1 +fi + (( ! INIT )) && check_keyring -(( ADD )) && add_keys -(( DELETE )) && delete_keys -(( EDITKEY )) && edit_keys -(( EXPORT )) && export_keys -(( FINGER )) && finger_keys -(( IMPORT )) && import -(( IMPORT_TRUSTDB)) && import_trustdb +(( ADD )) && add_keys "$@" +(( DELETE )) && delete_keys "$@" +(( EDITKEY )) && edit_keys "$@" +(( EXPORT )) && export_keys "$@" +(( FINGER )) && finger_keys "$@" +(( IMPORT )) && import "$@" +(( IMPORT_TRUSTDB)) && import_trustdb "$@" (( INIT )) && initialize -(( LISTKEYS )) && list_keys -(( LISTSIGS )) && list_sigs -(( LSIGNKEY )) && lsign_keys -(( POPULATE )) && populate_keyring -(( RECEIVE )) && receive_keys -(( REFRESH )) && refresh_keys -(( VERIFY )) && verify_sig +(( LISTKEYS )) && list_keys "$@" +(( LISTSIGS )) && list_sigs "$@" +(( LSIGNKEY )) && lsign_keys "$@" +(( POPULATE )) && populate_keyring "$@" +(( RECEIVE )) && receive_keys "$@" +(( REFRESH )) && refresh_keys "$@" +(( VERIFY )) && verify_sig "$@" (( UPDATEDB )) && updatedb -- cgit v1.2.3-70-g09d2