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validating the userid and passwd

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Top Forums Shell Programming and Scripting validating the userid and passwd
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Old 06-10-2008
validating the userid and passwd
Hi

i need to write a script which perform some action only when an existing and privliged user is running it. It will call another script where user ID and password are required.

So in main script before calling another script I need userID and password validation....for that I can check userid in /etc/passwd file .... but how to check that he entered correct password.

Please help.

Thanks,
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LEARN ABOUT REDHAT

user

FBB::User(3bobcat)                                             /etc/passwd user info                                            FBB::User(3bobcat)

NAME

       FBB::User - Provides the /etc/passwd info of the current user

SYNOPSIS

       #include <bobcat/user>
       Linking option: -lbobcat

DESCRIPTION

       This  class  retrieves  the information of the current user from the information in /etc/passwd. The class is a simple wrapper class around
       the getpwent(3) function.

NAMESPACE

       FBB
       All constructors, members, operators and manipulators, mentioned in this man-page, are defined in the namespace FBB.

INHERITS FROM

       -

CONSTRUCTORS

       o      User():
              The default constructor determines the current user's data.  This constructor throws an Errno exception if it did not properly  com-
              plete because the current user name could not be found in /etc/passwd.  The copy and move constructors are available.

OVERLOADED OPERATORS

       The copy and move assignment operators are available.

MEMBER FUNCTIONS

       o      size_t groupid() const:
              Returns the user's group-id.

       o      std::string homedir() const:
              Returns the user's home directory (including a trailing /).

       o      std::string name() const:
              Returns the user's user-name.

       o      std::string password() const:
              Returns the user's encrypted password. But see also the BUGS section.

       o      std::string realname() const:
              Returns the user's real name, as listed in the /etc/passwd's gecos field.

       o      std::string shell() const:
              Returns the user's shell.

       o      size_t userid() const:
              Returns the user's user-id.

       o      void verify() const:
              Obsoleted, will be removed in a future Bobcat release.

EXAMPLE

       #include <bobcat/user>
       #include <iostream>

       using namespace std;
       using namespace FBB;

       int main()
       {
           User  user;
           user.verify();

           cout << "
"
               "name       : " << user.name()      << "
" <<
               "password   : " << user.password()  << "
" <<
               "user id    : " << user.userid()    << "
" <<
               "group id   : " << user.groupid()   << "
" <<
               "real name  : " << user.realname()  << "
" <<
               "home dir   : " << user.homedir()   << "
" <<
               "shell      : " << user.shell()     << "
" << endl;

           return 0;
       }

FILES

       bobcat/user - defines the class interface

SEE ALSO

       bobcat(7), getpwent(3)

BUGS

       If the user is a member of multiple groups, only the group id listed in /etc/passwd is returned by groupid().

       If shadow passwording is used, the string returned by password() will probably not contain the encrypted password.

DISTRIBUTION FILES

       o      bobcat_3.01.00-x.dsc: detached signature;

       o      bobcat_3.01.00-x.tar.gz: source archive;

       o      bobcat_3.01.00-x_i386.changes: change log;

       o      libbobcat1_3.01.00-x_*.deb: debian package holding the libraries;

       o      libbobcat1-dev_3.01.00-x_*.deb: debian package holding the libraries, headers and manual pages;

       o      http://sourceforge.net/projects/bobcat: public archive location;

BOBCAT

       Bobcat is an acronym of `Brokken's Own Base Classes And Templates'.

COPYRIGHT

       This is free software, distributed under the terms of the GNU General Public License (GPL).

AUTHOR

       Frank B. Brokken (f.b.brokken@rug.nl).

libbobcat1-dev_3.01.00-x.tar.gz                                      2005-2012                                                  FBB::User(3bobcat)