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Full Discussion: Create new user account and password in shell script
Top Forums Shell Programming and Scripting Create new user account and password in shell script Post 302387982 by killuane on Tuesday 19th of January 2010 04:45:51 AM
Old 01-19-2010
On Solaris I have tried:

1) redirecting the input as follows:

Code:
passwd $NEW_USER_ID <<EOF
> $NEW_PASSWD
> $NEW_PASSWD
> EOF

but I get prompted to enter the password interactively:
New Password:
2) putting the passwords into a file

Code:
echo $NEW_PASSWD >> tempfile
echo $NEW_PASSWD >> tempfile

then tried to redirect the contents of that file into the passwd command:

Code:
passwd $NEW_USER_ID < `cat tempfile`

from which I get the error:
ksh: $NEW_PASSWD^J$NEW_PASSWD: cannot open
(the error actually shows the real password not the environment variable)

or:

Code:
passwd $NEW_USER_ID < tempfile

but again I get prompted to enter the password interactively:
New Password:
3) write a mini shell script:

Code:
sleep 1
echo $NEW_PASSWD
sleep 1
echo $NEW_PASSWD

then tried to execute that script and pipe the output to the passwd command:

Code:
./script | passwd $NEW_USER_ID

but again I get prompted to enter the password interactively:
New Password:
So, it looks to me like my attempts to redirect stdin to the passwd command are failing but I don't know any other way to do it.
 

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LEARN ABOUT PLAN9

pwconv

pwconv(1M)						  System Administration Commands						pwconv(1M)

NAME

       pwconv - installs and updates /etc/shadow with information from /etc/passwd

SYNOPSIS

       pwconv

DESCRIPTION

       The pwconv command creates and updates /etc/shadow with information from /etc/passwd.

       pwconv relies on a special value of 'x' in the password field of /etc/passwd. This value of 'x' indicates that the password for the user is
       already in /etc/shadow and should not be modified.

       If the /etc/shadow file does not exist, this command will create /etc/shadow with  information  from  /etc/passwd.  The	command  populates
       /etc/shadow  with  the  user's  login  name,  password,	and  password  aging  information. If password aging information does not exist in
       /etc/passwd for a given user, none will be added to  /etc/shadow. However, the last changed information will always be updated.

       If the  /etc/shadow file does exist, the following tasks will be performed:

		Entries that are in the  /etc/passwd file and not in the /etc/shadow file will be added to the /etc/shadow file.

		Entries that are in the  /etc/shadow file and not in the /etc/passwd file will be removed from /etc/shadow.

		Password attributes (for example, password and aging information)  that exist in an /etc/passwd entry will be moved to the  corre-
		sponding entry in  /etc/shadow.

       The pwconv command can only be used by the super-user.

FILES

       /etc/opasswd

       /etc/oshadow

       /etc/passwd

       /etc/shadow

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       passwd(1), passmgmt(1M), usermod(1M), passwd(4), attributes(5)

DIAGNOSTICS

       pwconv exits with one of the following values:

       0	SUCCESS.

       1	Permission denied.

       2	Invalid command syntax.

       3	Unexpected failure.  Conversion not done.

       4	Unexpected failure.  Password file(s) missing.

       5	Password file(s) busy.	Try again later.

       6	Bad entry in /etc/shadow file.

SunOS 5.10							    9 Mar 1993								pwconv(1M)
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