[SSSD] [sssd PR#5748][comment] TOOLS: replace system() with execvp()

[pbrezina]

URL: https://github.com/SSSD/sssd/pull/5748
Title: #5748: TOOLS: replace system() with execvp()

pbrezina commented:
"""
Pushed PR: https://github.com/SSSD/sssd/pull/5748

* `master`
    * 7ab83f97e1cbefb78ece17232185bdd2985f0bbe - TOOLS: replace system() with execvp() to avoid execution of user supplied command

"""

See the full comment at https://github.com/SSSD/sssd/pull/5748#issuecomment-899562880