You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.6 KiB
60 lines
1.6 KiB
package alert
|
|
|
|
// Copyright (c) 2025 Robert Strutts <bobs@NewToFaith.com>
|
|
// License: MIT
|
|
// GIT: https://git.mysnippetsofcode.com/bobs/execguard
|
|
|
|
import (
|
|
"execguard/core/sys_database"
|
|
"execguard/core/configure"
|
|
"database/sql"
|
|
"log"
|
|
"os"
|
|
"os/exec"
|
|
"time"
|
|
"context"
|
|
"strings"
|
|
)
|
|
|
|
var (
|
|
config configure.Config
|
|
mailPath string
|
|
)
|
|
|
|
func SetGlobalConfig(c configure.Config) {
|
|
config = c
|
|
}
|
|
func SetGlobalMail(m string) {
|
|
mailPath = m
|
|
}
|
|
|
|
func SendAlert(message string, db *sql.DB, log *log.Logger) {
|
|
if config.AlertEmail == "" {
|
|
return
|
|
}
|
|
|
|
if !sys_database.IsAllowed(db, log, mailPath) {
|
|
log.Printf("%s not allowed...blocked email, sorry.", mailPath)
|
|
return // Prevent system crash!
|
|
}
|
|
if _, err := os.Stat(mailPath); err != nil {
|
|
log.Printf("Mail command not found: %v", err)
|
|
return
|
|
}
|
|
time.Sleep(time.Duration(300) * time.Millisecond) // Must give time for Block to get over with...
|
|
|
|
ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
|
|
defer cancel() // Ensure the context is canceled to avoid leaks
|
|
|
|
cmd := exec.CommandContext(ctx, mailPath, "-s", "ExecGuard Alert", config.AlertEmail)
|
|
cmd.Env = []string{"PATH=/usr/bin:/bin"} // Set a minimal PATH
|
|
cmd.Stdin = strings.NewReader(message)
|
|
|
|
output, err := cmd.CombinedOutput()
|
|
if ctx.Err() == context.DeadlineExceeded {
|
|
log.Printf("sendAlert timeout after 15s for message: %q", message)
|
|
}
|
|
if err != nil {
|
|
log.Printf("Failed to send alert: %v, output: %s", err, output)
|
|
}
|
|
}
|
|
|