Rewritten to support connecting to multiple vpns simultaneously.

cvpn

@@ -70,6 +70,7 @@ function load_config() {
             thisroutes=$(cut -d, -f7 <<< "${line}")
             thisdomains=$(cut -d, -f8 <<< "${line}")
             thisservercert=$(cut -d, -f9 <<< "${line}")
+            thispidfile=${CONFDIR}/${thisprofile// /}.pid
             case $thisvpntype in
                 "") thisvpntype="anyconnect";;
                 "cisco") thisvpntype="anyconnect";;
@@ -90,6 +91,7 @@ function load_config() {
             routes[$nvpns]="${thisroutes}"
             domains[$nvpns]="${thisdomains}"
             servercert[$nvpns]="${thisservercert}"
+            pidfile[$nvpns]="${thispidfile}"
             nvpns=$((nvpns + 1))
         done <<< "${CONFLINES}"
     else
@@ -132,36 +134,51 @@ function get_profile_id() {  #1=profile_to_check
     return 1
 }
 
-function get_vpn_status() { # populates vprofile vuser vstatus vserver vvpntype, return 0 if vpn up
+function vpnisup() { # 1=profile
-    local rv=0 vpnpid pname
+    local idx pf rv pid
-    vprofile=""
+    idx=$(get_profile_id "$1")
-    vuser=""
+    rv=$?
-    vstatus="Disconnected"
+    if [[ $rv -ne 0 || -z $idx ]]; then
-    vserver=""
+        return 1
-    vvpntype=""
-
-    if [[ -e $VPNPIDFILE ]]; then
-        vpnpid=$(cat $VPNPIDFILE 2>/dev/null)
-        pname=$(ps -p $vpnpid -o command="" 2>/dev/null)
-        vstatus="Connected"
-        vserver=$(echo "$pname" | awk '{ print $NF }')
-        vuser=$(echo "$pname" | sed 's/^.*-u //;s/ .*//g')
-        vvpntype=$(echo "$pname" | sed 's/^.*--protocol=//;s/ .*//g')
-    else
-        rv=1
     fi
+    pf=${pidfile[$idx]}
+    if [[ -n $pf && -e $pf ]]; then
+        pid=$(cat $pf)
+        ps -p $pid >/dev/null 2>&1
+        if [[ $? -eq 0 ]]; then
+            return 0
+        else
+            return 1
+        fi
+    fi
+    return 1
+}
+
+function get_vpn_status() { # populates vprofile[] vpid[] vuser[] vstatus[] vserver[] vvpntype[] nup, return true if any vpns are up
+    local rv=0 vpnpid pname x
+    unset vprofile
+    unset vpnpid
+    unset vstatus
+    unset vserver
+    unset vuser
+    unset vvpntype
+    nup=0
 
-    if [[ $vstatus == "Connected" ]]; then
-        # find matching profile
     for x in ${!profile[@]}; do
-            if [[ $vserver == ${server[$x]} ]]; then
+        vpnisup "${profile[$x]}"
-                vprofile="${profile[$x]}"
+        if [[ $? -eq 0 ]]; then
-                [[ -z $vuser ]] && vuser=${user[$x]}
+            vprofile+=(${profile[$x]})
-                [[ -z $vvpntype ]] && vvpntype=${vvpntype[$x]}
+            vpid+=($(cat ${pidfile[$x]}))
+            vstatus+=("Connected")
+            vserver+=(${server[$x]})
+            vuser+=(${user[$x]})
+            vvpntype+=(${vpntype[$x]})
+            nup=$((nup + 1))
         fi
     done
-    fi
+     [[ $nup -eq 0 ]] && return 1
-    return $rv
+
+    return 0
 }
 
 PROFILE=""
@@ -196,7 +213,7 @@ load_config || exit 1
 
 usingdefault=0
 PROFILE="$2"
-if [[ -z $PROFILE ]]; then
+if [[ -z $PROFILE && $cmd == "up" ]]; then
     if [[ -n ${DEFAULTPROFILE} ]]; then
         PROFILE="${DEFAULTPROFILE}"
         usingdefault=1
@@ -204,28 +221,56 @@ if [[ -z $PROFILE ]]; then
 fi
 
 if [[ $cmd == "list" ]]; then
-    F="%s,%s,%s,%s,%s,%s\n"
+    F="%s,%s,%s,%s,%s,%s,%s,%s\n"
+
     table=$(
         (
-            printf "${F}" "Profile" "Username" "Password" "Group" "Server" "Type"
+            printf "${F}" "Profile" "Up?" "Username" "Password" "Group" "Server" "Type" "Scope"
             for x in ${!profile[@]}; do
                 p="${pw[$x]:0:2}....${pw[$x]: (-2)}"
                 prof="${profile[$x]}"
-            [[ $prof == $DEFAULTPROFILE ]] && prof="*${prof}"
+                [[ $prof == $DEFAULTPROFILE ]] && prof="${prof}*"
-                printf "${F}" "${prof}" "${user[$x]}" "${p}"  "${group[$x]:-(n/a)}" "${server[$x]:-(n/a)}" "${vpntype[$x]}"
+                vpnisup "${prof}"
+                if [[ $? -eq 0 ]]; then
+                    yn="Yes"
+                    c="${GREEN}"
+                else
+                    yn="No"
+                    c="${GREY}"
+                fi
+                scope="${domains[$x]} ${routes[$x]}"
+                vt=${vpntype[$x]}
+                [[ ${vt,,} == "anyconnect" ]] && vt=Cisco
+                printf "${F}" "${prof}" "$yn" "${user[$x]}" "${p}"  "${group[$x]:-(n/a)}" "${server[$x]:-(n/a)}" "${vt}" "${scope%% *}"
+
+                # show one route/domain per row
+                scope_a=( ${scope} )
+#echo "${profile[$x]} scope:   [${scope}]" >&2
+#echo "${profile[$x]} scope_a: [${scope_a[@]}]" >&2
+                if [[ ${#scope_a[@]} -ge 2 ]]; then
+                    i=1 # skip first one
+                    while [[ $i -lt ${#scope_a[@]} ]]; do
+                        printf "${F}" " " " " " " " " " " " " " " "${scope_a[$i]}"
+                        i=$((i + 1))
+                    done
+                fi
             done
         ) | column -s, -t
     )
-    table=$(echo "$table" | sed "s/^\(Profile.*\)$/^b^u\1^p/;s/\(n\/a\)/^i\1^p/g")
+
+    # underline heading
+    table=$(echo "$table" | sed "s/^\(Profile.*\)$/^b^u\1^p/;")
+    table=$(awk -v G="$GREEN" -v P="$PLAIN" '($2 == "Yes") { printf(G); } ($2 == "No") { printf(P); } { print }' <<<"$table")
+
     csecho "$WHITE" "$table"
     echo
     echo "(* = default VPN)"
     exit 0
 elif [[ $cmd == "on" ]]; then
     [[ $usingdefault -eq 1 ]] && inform "[using default VPN: ^b$DEFAULTPROFILE^p]"
-    get_vpn_status
+    vpnisup "${PROFILE}"
-    if [[ $vstatus == "Connected" ]]; then
+    if [[ $? -eq 0 ]]; then
-        error "VPN profile $vprofile is already connected"
+        error "VPN profile $PROFILE is already connected"
         exit 1
     fi
 
@@ -246,6 +291,7 @@ elif [[ $cmd == "on" ]]; then
         curservercert=${servercert[$id]}
         curroutes=${routes[$id]}
         curdomains=${domains[$id]}
+        curpidfile=${pidfile[$id]}
 #echo "got         curprofile=${profile[$id]}"
 #echo "got         curuser=${user[$id]}"
 #echo "got         curpw=${pw[$id]}"
@@ -255,6 +301,7 @@ elif [[ $cmd == "on" ]]; then
 #echo "got         curservercert=${servercert[$id]}"
 #echo "got         curroutes=${routes[$id]}"
 #echo "got         curdomains=${domains[$id]}"
+#echo "got         curpidfile=${pidfile[$id]}"
     else
         error "Could not determine VPN ID for profile ^b${PROFILE}^p."
         exit 1
@@ -314,22 +361,26 @@ elif [[ $cmd == "on" ]]; then
 
     notify "${nstr}"
 
-    rm -f "$VPNPIDFILE"
+    rm -f "$curpidfile"
     if [[ -n $curroutes && -n $curdomains ]]; then
         printf '%s' "$curpw" | sudo ${OPENCONNECT} --background --non-inter --protocol=$curvpntype -u "$curuser" --passwd-on-stdin $grouparg -s "$VPNSLICE --domains-vpn-dns ${curdomains// /,} $curroutes" --servercert "$curservercert" "$curserver"  >"${LOGFILE}" 2>&1
+        rv=$?
     elif [[ -n $curroutes ]]; then
         printf '%s' "$curpw" | sudo ${OPENCONNECT} --background --non-inter --protocol=$curvpntype -u "$curuser" --passwd-on-stdin $grouparg -s "$VPNSLICE $curroutes" --servercert "$curservercert" "$curserver"  >"${LOGFILE}" 2>&1
+        rv=$?
     elif [[ -n $curdomains ]]; then
         printf '%s' "$curpw" | sudo ${OPENCONNECT} --background --non-inter --protocol=$curvpntype -u "$curuser" --passwd-on-stdin $grouparg -s "$VPNSLICE --domains-vpn-dns $curdomains" --servercert "$curservercert" "$curserver"  >"${LOGFILE}" 2>&1
+        rv=$?
     else
         printf '%s' "$curpw" | sudo ${OPENCONNECT} --background --non-inter --protocol=$curvpntype -u "$curuser" --passwd-on-stdin $grouparg --servercert "$curservercert" "$curserver"  >"${LOGFILE}" 2>&1
-    fi
         rv=$?
+    fi
     res=$(cat "$LOGFILE")
     if [[ $rv -eq 0 ]]; then
-        cpid=$(pgrep openconnect)
+        cpid=$(pgrep -f "openconnect.* ${curserver}")
         if [[ $? -eq 0 ]]; then
-            echo "$cpid" > "$VPNPIDFILE"
+            echo "$cpid" > "$curpidfile"
+            rv=0
         else
             rv=1
         fi
@@ -345,31 +396,45 @@ elif [[ $cmd == "status" ]]; then
     BASECOL="$ORANGE"
     notify "Checking VPN status"
     get_vpn_status
-    [[ $? -eq 0 ]] && ok || fail
+    ok
-    if [[ $vstatus == "Connected" ]]; then
+    if [[ $nup -eq 0 ]]; then
-        col="$GREEN"
+        csecho "$ORANGE" "Not connected to any VPNs"
+        exit 0
+    elif [[ $nup -eq 1 ]]; then
+        ess=""
     else
-        col="$RED"
+        ess="s"
-    fi
-    csecho -n "$BASECOL" "VPN status:  ${col}${BOLD}${vstatus}^p"
-    if [[ ${vstatus,,} =~ "connected" ]]; then
-        [[ -n $vserver ]] && csecho "$BASECOL" " to ^b${vprofile}^p (${vvpntype}:${vuser}@${vserver})" || echo
     fi
+    csecho "$ORANGE" "Connected to ^b$nup^p VPN${ess}:"
+    for x in ${!vstatus[@]}; do
+        col="$GREEN"
+        csecho "$BASECOL" "   ${col}${BOLD}${vstatus[$x]}^p ${BASECOL}to ^b${vprofile[$x]}^p (${vvpntype[$x]}:${vuser[$x]}@${vserver[$x]})"
+    done
 elif [[ $cmd == "off" ]]; then
+    if [[ -n $PROFILE ]]; then
+        # bring down just one vpn
+        idxlist=$(get_profile_id "$PROFILE")
+    else
+        # bring down all vpns
+        idxlist="${!profile[@]}"
+    fi
+    ntried=0
+    for x in $idxlist; do
+        vpnisup "${profile[$x]}"
+        if [[ $? -eq 0 ]]; then
             rv=1
-    get_vpn_status
+            ntried=$((ntried + 1))
-    if [[ $vstatus == "Connected" ]]; then
+            notify "Disconnecting from ^b${profile[$x]}^p VPN"
-        notify "Disconnecting from ${vvpntype} VPN ^b${vprofile}^p"
             errstring=""
             errdata=""
 
-        thepid=$(cat $VPNPIDFILE)
+            thepid=$(cat ${pidfile[$x]})
             if [[ -n $thepid ]]; then
                 sudo kill $thepid
                 sleep 2 # give it some time
                 res=$(ps -p $thepid 2>&1)
                 if [[ $? -ne 0 ]]; then
-                rm -f "${VPNPIDFILE}"
+                    rm -f "${pidfile[$x]}"
                     rv=0
                 else
                     errstring="could not kill pid $thepid:"
@@ -388,12 +453,18 @@ elif [[ $cmd == "off" ]]; then
                 error "$errstring"
                 [[ -n $errdata ]] && cecho -s "$RED" "$errdata" | sed 's/^/   /'
             fi
-    else
+        elif [[ -n $PROFILE ]]; then
-        fail
+            error "The VPN ^b${PROFILE}^p is already disconnected"
+            exit 1
+        fi
+    done
+    if [[ $ntried -eq 0 && -z $PROFILE ]]; then
         error "All VPNs are already disconnected"
+        exit 1
     fi
 else
     usage
     exit 1
 fi
+exit 0