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refactor: Remove code duplication and check local config file exists before parsing

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This commit is contained in:
AbelAnaya 2023-11-13 23:54:56 +01:00
parent e8b07bedf6
commit 31c8af3446
1 changed files with 31 additions and 38 deletions
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69
scripts/ssh_session.sh
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@ -16,48 +16,41 @@ parse_ssh_port() {
echo $port
}
search_ssh_user() {
for ssh_config in `awk '
$2 == "Host" {
gsub("\\\\.", "\\\\.", $3);
gsub("\\\\*", ".*", $3);
host = $3;
next;
}
$2 == "User" {
$2 = "";
sub( /^[[:space:]]*/, "" );
printf "%s|%s\n", host, $0;
}' $1`; do
local host_regex=${ssh_config%|*}
local host_user=${ssh_config#*|}
if [[ "$2" =~ $host_regex ]]; then
ssh_user=$host_user
break
fi
done
echo $ssh_user
}
get_ssh_user() {
# Set default ssh_user as current user
local ssh_user=$(whoami)
for ssh_config in `awk '
$1 == "Host" {
gsub("\\\\.", "\\\\.", $2);
gsub("\\\\*", ".*", $2);
host = $2;
next;
}
$1 == "User" {
$1 = "";
sub( /^[[:space:]]*/, "" );
printf "%s|%s\n", host, $0;
}' /etc/ssh/ssh_config`; do
local host_regex=${ssh_config%|*}
local host_user=${ssh_config#*|}
if [[ "$1" =~ $host_regex ]]; then
ssh_user=$host_user
break
fi
done
# Search SSH User information in global configuration file
ssh_user=$(search_ssh_user /etc/ssh/ssh_config $1)
for ssh_config in `awk '
$1 == "Host" {
gsub("\\\\.", "\\\\.", $2);
gsub("\\\\*", ".*", $2);
host = $2;
next;
}
$1 == "User" {
$1 = "";
sub( /^[[:space:]]*/, "" );
printf "%s|%s\n", host, $0;
}' .ssh/config`; do
local host_regex=${ssh_config%|*}
local host_user=${ssh_config#*|}
if [[ "$1" =~ $host_regex ]]; then
ssh_user=$host_user
break
fi
done
if [ -f ~/.ssh/config ]; then
# Search SSH User information in user configuration file
ssh_user=$(search_ssh_user ~/.ssh/config $1)
fi
echo $ssh_user
}