genhomedircon: improve error messages for min uid search
Only grep if the files exist. grep returns 1 on no match, check against 1 instead of 256. Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
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@ -40,7 +40,7 @@
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# are always "real" (including root, in the default configuration).
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#
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import sys, pwd, getopt, re
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import sys, pwd, getopt, re, os
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from subprocess import getstatusoutput
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EXCLUDE_LOGINS=["/sbin/nologin", "/bin/false"]
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@ -71,32 +71,34 @@ def getStartingUID():
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def getDefaultHomeDir():
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ret = []
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rc=getstatusoutput("grep -h '^HOME' /etc/default/useradd")
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if rc[0] == 0:
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homedir = rc[1].split("=")[1]
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homedir = homedir.split("#")[0]
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homedir = homedir.strip()
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if not homedir in ret:
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ret.append(homedir)
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else:
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#rc[0] == 256 means the file was there, we read it, but the grep didn't match
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if rc[0] != 256:
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sys.stderr.write("%s\n" % rc[1])
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sys.stderr.write("You do not have access to /etc/default/useradd HOME=\n")
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sys.stderr.flush()
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rc=getstatusoutput("grep -h '^LU_HOMEDIRECTORY' /etc/libuser.conf")
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if rc[0] == 0:
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homedir = rc[1].split("=")[1]
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homedir = homedir.split("#")[0]
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homedir = homedir.strip()
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if not homedir in ret:
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ret.append(homedir)
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else:
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#rc[0] == 256 means the file was there, we read it, but the grep didn't match
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if rc[0] != 256:
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sys.stderr.write("%s\n" % rc[1])
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sys.stderr.write("You do not have access to /etc/libuser.conf LU_HOMEDIRECTORY=\n")
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sys.stderr.flush()
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if os.path.isfile('/etc/default/useradd'):
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rc=getstatusoutput("grep -h '^HOME' /etc/default/useradd")
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if rc[0] == 0:
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homedir = rc[1].split("=")[1]
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homedir = homedir.split("#")[0]
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homedir = homedir.strip()
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if not homedir in ret:
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ret.append(homedir)
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else:
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#rc[0] == 1 means the file was there, we read it, but the grep didn't match
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if rc[0] != 1:
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sys.stderr.write("(%d): %s\n" % (rc[0], rc[1]))
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sys.stderr.write("You do not have access to /etc/default/useradd HOME=\n")
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sys.stderr.flush()
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if os.path.isfile('/etc/libuser.conf'):
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rc=getstatusoutput("grep -h '^LU_HOMEDIRECTORY' /etc/libuser.conf")
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if rc[0] == 0:
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homedir = rc[1].split("=")[1]
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homedir = homedir.split("#")[0]
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homedir = homedir.strip()
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if not homedir in ret:
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ret.append(homedir)
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else:
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#rc[0] == 1 means the file was there, we read it, but the grep didn't match
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if rc[0] != 1:
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sys.stderr.write("(%d): %s\n" % (rc[0], rc[1]))
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sys.stderr.write("You do not have access to /etc/libuser.conf LU_HOMEDIRECTORY=\n")
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sys.stderr.flush()
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if ret == []:
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ret.append("/home")
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return ret
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