diff options
author | Dim-P <Dim-P@users.noreply.github.com> | 2023-01-27 15:51:04 +0000 |
---|---|---|
committer | GitHub <noreply@github.com> | 2023-01-27 15:51:04 +0000 |
commit | 081dbc6cedbc7c035d8e3bc7bcb1845db656bacf (patch) | |
tree | c5133783b74b489be006c65def83aa6ec6353d8f /packaging | |
parent | 3338acf0824565ae1a2163d9b6aab77ea5b5ed11 (diff) |
Use "getent group" instead of reading "/etc/group" to get group information (#14316)
* Use getent group instead of /etc/group to search groups
* Fallback to 'cat /etc/groups' if no getent exists
* Use group_exists() in netdata-installer.sh
* Rename group_exists() to get_group()
Diffstat (limited to 'packaging')
-rw-r--r-- | packaging/installer/functions.sh | 14 | ||||
-rwxr-xr-x | packaging/installer/netdata-uninstaller.sh | 2 |
2 files changed, 12 insertions, 4 deletions
diff --git a/packaging/installer/functions.sh b/packaging/installer/functions.sh index e354ac651e..ebb4aab75a 100644 --- a/packaging/installer/functions.sh +++ b/packaging/installer/functions.sh @@ -396,6 +396,14 @@ get_os_key() { fi } +get_group(){ + if command -v getent > /dev/null 2>&1; then + getent group "${1:-""}" + else + cat /etc/group | grep "^${1}:" + fi +} + issystemd() { pids='' p='' @@ -933,7 +941,7 @@ portable_add_group() { groupname="${1}" # Check if group exist - if cut -d ':' -f 1 < /etc/group | grep "^${groupname}$" 1> /dev/null 2>&1; then + if get_group "${groupname}" > /dev/null 2>&1; then echo >&2 "Group '${groupname}' already exists." return 0 fi @@ -969,14 +977,14 @@ portable_add_user_to_group() { username="${2}" # Check if group exist - if ! cut -d ':' -f 1 < /etc/group | grep "^${groupname}$" > /dev/null 2>&1; then + if ! get_group "${groupname}" > /dev/null 2>&1; then echo >&2 "Group '${groupname}' does not exist." # Don’t treat this as a failure, if the group does not exist we should not be trying to add the user to it. return 0 fi # Check if user is in group - if expr ",$(grep "^${groupname}:" < /etc/group | cut -d ':' -f 4)," : ",""${username}"","; then + if get_group "${groupname}" | cut -d ':' -f 4 | grep -wq "${username}"; then # username is already there echo >&2 "User '${username}' is already in group '${groupname}'." return 0 diff --git a/packaging/installer/netdata-uninstaller.sh b/packaging/installer/netdata-uninstaller.sh index 45ec73fced..2f2e89ffdc 100755 --- a/packaging/installer/netdata-uninstaller.sh +++ b/packaging/installer/netdata-uninstaller.sh @@ -426,7 +426,7 @@ portable_del_group() { # Linux if command -v groupdel 1> /dev/null 2>&1; then - if grep -q "${groupname}" /etc/group; then + if get_group "${groupname}" > /dev/null 2>&1; then run groupdel "${groupname}" && return 0 else info "Group ${groupname} already removed in a previous step." |