From f02c4383e11e4ecfb9ee34d07dda96339e750aec Mon Sep 17 00:00:00 2001
From: Omar Santos <santosomar@gmail.com>
Date: Fri, 31 Jul 2020 12:57:42 -0400
Subject: [PATCH] Create logalyzer.py

---
 .../parsing_auth_log/logalyzer.py             | 139 ++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 python_ruby_and_bash/parsing_auth_log/logalyzer.py

diff --git a/python_ruby_and_bash/parsing_auth_log/logalyzer.py b/python_ruby_and_bash/parsing_auth_log/logalyzer.py
new file mode 100644
index 0000000..115fd8c
--- /dev/null
+++ b/python_ruby_and_bash/parsing_auth_log/logalyzer.py
@@ -0,0 +1,139 @@
+import os
+import sys
+from optparse import OptionParser
+
+import ParseLogs
+
+
+#
+# Logalyzer.  Original: https://github.com/hatRiot/logalyzer
+# Converted to python3.6 by @programmerchad
+#
+
+# callback for the user flag
+def user_call(option, opt_str, value, parser):
+    if len(parser.rargs) is not 0:
+        value = parser.rargs[0]
+    else:
+        value = None
+    setattr(parser.values, option.dest, value)
+
+
+if __name__ == "__main__":
+
+    # default location
+    log = '/var/log/auth.log'
+
+    # parsing options
+    parser = OptionParser(epilog=
+                          "Combine flags to view user-specific information.  \'-u test -i\' lists IP addresses "
+                          "associated with user test")
+    parser.add_option("-u", help="Specify user.  Blank lists all users.", action="callback",
+                      callback=user_call, default=None, dest="user")
+    parser.add_option("--full", help="Full log dump for specified user", action="store_true",
+                      default=False, dest="fullu")
+    parser.add_option("-l", help="Specify log file.  Default is auth.log", default=None, dest="log")
+    parser.add_option("-f", help="List failures", action="store_true", default=False, dest="fail")
+    parser.add_option("-s", help="List success logs", action="store_true", default=False, dest="success")
+    parser.add_option("-c", help="List commands by user", action="store_true", default=False, dest="commands")
+    parser.add_option("-i", help="List IP Addresses", action="store_true", default=False, dest="ip")
+
+    # get arguments
+    (options, args) = parser.parse_args()
+
+    # if they're trying to access /var/log/auth.log without proper privs, bail
+    if not os.getuid() is 0 and options.log is None:
+        print("[-] Please run with SUDO")
+        sys.exit(1)
+
+    # check if they specified another file
+    if options.log is not None:
+        log = options.log
+
+    # parse logs
+    LOGS = ParseLogs.ParseLogs(log)
+    if LOGS is None: sys.exit(1)
+
+    # validate the user
+    if options.user:
+        if not options.user in LOGS:
+            print(f"[-] User \'{options.user}\' is not present in the logs.")
+            sys.exit(1)
+
+    # tag log location first
+    print('[!] Log file: ', log)
+
+    # output all commands
+    if options.commands and not options.user:
+        for i in LOGS:
+            for comms in LOGS[i].commands:
+                print(f"{i}:\t{comms}")
+        sys.exit(1)
+
+    # output all failures
+    elif options.fail and not options.user:
+        for i in LOGS:
+            for fail in LOGS[i].fail_logs:
+                print(f"{i}:\t{fail}")
+        sys.exit(1)
+
+    # output all logged IP addresses
+    elif options.ip and not options.user:
+        for i in LOGS:
+            for ip in LOGS[i].ips:
+                print(f"{i}:\t{ip}")
+        sys.exit(1)
+
+    # output user-specific commands
+    if options.commands and options.user:
+        print(f"[+] Commands for user \'{options.user}\'")
+        for com in LOGS[options.user].commands:
+            print("\t", com)
+
+    # output user-specific success logs
+    elif options.success and options.user:
+        print(f"[+] Successes logs for user \'{options.user}\'")
+        for log in LOGS[options.user].succ_logs:
+            print("\t", log)
+
+    # output user-specific failures
+    elif options.fail and options.user:
+        print(f"[+] Failures for user \'{options.user}\'")
+        for fail in LOGS[options.user].fail_logs:
+            print("\t", fail)
+
+    # output user-specific ip addresses
+    elif options.ip and options.user:
+        print(f"[+] Logged IPs for user \'{options.user}\'")
+        for i in LOGS[options.user].ips:
+            print("\t", i)
+
+    # print out all information regarding specified user
+    elif options.user is not None:
+        print(f"[!] Logs associated with user \'{options.user}\'")
+        print('[+] First log: ', LOGS[options.user].first_date())
+        print('[+] Last log: ', LOGS[options.user].last_date())
+        print("[!] Failure Logs")
+        for fail in LOGS[options.user].fail_logs:
+            print("\t", fail)
+        print("[!] Success Logs")
+        for succ in LOGS[options.user].succ_logs:
+            print("\t", succ)
+        print("[!] Associated IPs")
+        for ip in LOGS[options.user].ips:
+            print("\t", ip)
+        print("[!] Commands")
+        for comm in LOGS[options.user].commands:
+            print("\t", comm)
+
+    # dump the full log for the user if specified
+    if options.fullu and options.user:
+        print("[!] Full Log")
+        for log in LOGS[options.user].logs:
+            print(log)
+
+    # if they supplied us with an empty user, dump all of the logged users
+    elif options.user is None:
+        if len(LOGS) > 0:
+            for i in LOGS:
+                print(i)