diff options
Diffstat (limited to 'core/includes/useradd.inc')
| -rw-r--r-- | core/includes/useradd.inc | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/core/includes/useradd.inc b/core/includes/useradd.inc index 359a859f..d47b43b9 100644 --- a/core/includes/useradd.inc +++ b/core/includes/useradd.inc @@ -138,18 +138,31 @@ groupadd () { command groupadd "${_USER_EXTRA_OPTS[@]}" "${opts[@]}" || perror "groupadd failed" } +# Add user to given group. Not entirely safe as we don't wait for a lock, +# but should not be an issue during build time as system is usually offline. +# $1=user $2=group +add_to_group () { + ua_set_vars + grep -qP "^${2}:.*:.*[:,]${1}(,|$)" "$_GROUP" && return 0 + grep -q "^${2}:" "$_GROUP" || return 1 + sed -i -r "s/^${2}:[^:]*:[^:]*:.+$/&,$1/;s/^${2}:[^:]*:[^:]*:$/&$1/" "$_GROUP" +} + # Get numeric ID of given user (name or ID) getuid () { + ua_set_vars awk -F ':' -v p="$1" -v n= '{if ($1 == p) n = $3; if (n == "" && $3 == p) n = $3;}END{if (length(n)) print n}' "$_PASSWD" } # Get numeric ID of given group (name or ID) getgid () { + ua_set_vars awk -F ':' -v p="$1" -v n= '{if ($1 == p) n = $3; if (n == "" && $3 == p) n = $3;}END{if (length(n)) print n}' "$_GROUP" } # Get numeric ID of primary group of given user (name or ID) getusergroup () { + ua_set_vars awk -F ':' -v p="$1" -v n= '{if ($1 == p) n = $4; if (n == "" && $4 == p) n = $3;}END{if (length(n)) print n}' "$_PASSWD" } |