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setgid and chdir before setuid

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MinRK
2014-09-20 18:31:27 -07:00
parent 0a2ddb7994
commit 45e1822a2e
1 changed files with 7 additions and 5 deletions
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12
jupyterhub/spawner.py
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@@ -129,13 +129,15 @@ def set_user_setuid(username):
home = user.pw_dir home = user.pw_dir
def preexec(): def preexec():
# don't forward signals
os.setpgrp()
# set the user and group
os.setuid(uid)
os.setgid(gid)
# start in the user's home dir # start in the user's home dir
os.chdir(home) os.chdir(home)
# don't forward signals
os.setpgrp()
# set the user and group
os.setgid(gid)
os.setuid(uid)
return preexec return preexec