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hardening

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fatalerrors
2026-04-15 08:11:58 +02:00
parent 60a159c3ea
commit 322d03ed4c
1 changed files with 31 additions and 16 deletions
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47
profile.sh
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@@ -52,30 +52,42 @@ fi
# path* : private functions for PATH variable management # path* : private functions for PATH variable management
pathremove() pathremove()
{ {
[[ -z "$1" ]] && return 0
local IFS=':' local IFS=':'
local newpath local newpath dir
local dir local pathvar="${2:-PATH}"
local pathvar=${2:-PATH} [[ "$pathvar" =~ ^[a-zA-Z_][a-zA-Z0-9_]*$ ]] || {
printf "pathremove: unsafe variable name '%s'\n" "$pathvar" >&2
return 1
}
for dir in ${!pathvar}; do for dir in ${!pathvar}; do
if [ "$dir" != "$1" ]; then [[ "$dir" != "$1" ]] && newpath="${newpath:+$newpath:}$dir"
newpath=${newpath:+$newpath:}$dir
fi
done done
export $pathvar="$newpath" export "$pathvar=$newpath"
} }
pathprepend() pathprepend()
{ {
pathremove $1 $2 [[ -z "$1" ]] && return 0
local pathvar=${2:-PATH} local pathvar="${2:-PATH}"
export $pathvar="$1${!pathvar:+:${!pathvar}}" [[ "$pathvar" =~ ^[a-zA-Z_][a-zA-Z0-9_]*$ ]] || {
printf "pathprepend: unsafe variable name '%s'\n" "$pathvar" >&2
return 1
}
pathremove "$1" "$pathvar"
export "$pathvar=$1${!pathvar:+:${!pathvar}}"
} }
pathappend() pathappend()
{ {
pathremove $1 $2 [[ -z "$1" ]] && return 0
local pathvar=${2:-PATH} local pathvar="${2:-PATH}"
export $pathvar="${!pathvar:+${!pathvar}:}$1" [[ "$pathvar" =~ ^[a-zA-Z_][a-zA-Z0-9_]*$ ]] || {
printf "pathappend: unsafe variable name '%s'\n" "$pathvar" >&2
return 1
}
pathremove "$1" "$pathvar"
export "$pathvar=${!pathvar:+${!pathvar}:}$1"
} }
# ------------------------------------------------------------------------------ # ------------------------------------------------------------------------------
@@ -223,11 +235,14 @@ load_conf system # Load Bash system behavior configuration (history, pager, etc
load_conf general # General purpose configuration (compilation flags, etc.) load_conf general # General purpose configuration (compilation flags, etc.)
# Load module scripts # Load module scripts
for script in $MYPATH/profile.d/*.sh; do shopt -s nullglob
if [[ -r $script ]]; then for script in "$MYPATH/profile.d/"*.sh; do
. $script if [[ -f "$script" && -r "$script" ]]; then
# shellcheck source=/dev/null
. "$script" || printf "[ Warning ] Failed to source module: %s\n" "$script" >&2
fi fi
done done
shopt -u nullglob
# Interactive shell detection, two methods available each one of those might have different result # Interactive shell detection, two methods available each one of those might have different result
# depending on distribution # depending on distribution