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C/C++

success.c：源码内容

							/*
** Copyright 1998 - 1999 Double Precision, Inc.  See COPYING for
** distribution information.
*/
#include	"auth.h"
#include	<stdio.h>
#include	<errno.h>
#include	<stdlib.h>
#include	<string.h>
#if	HAVE_UNISTD_H
#include	<unistd.h>
#endif
static const char rcsid[]="$Id: success.c,v 1.7 2000/02/20 21:48:37 mrsam Exp $";
void authsuccess(const char *homedir,
	const char *username,
	const uid_t	*uid,
	const gid_t	*gid,
	const char	*authaddr,
	const char	*authfullname)
{
static char	*authaddr_buf=0;
static char	*authfullname_buf=0;
char	*p;
	if (chdir(homedir))
	{
		perror("chdir");
		authexit(1);
	}
	if (username)
	{
		if (gid)
			authchangegroup(*gid);
		authchangeusername(username, gid);
	}
	else
	{
		if (!uid || !gid)
		{
			write(2, "AUTHFAILUREn", 12);
			authexit(1);
		}
		authchangeuidgid(*uid, *gid);
	}
	if (!authaddr)	authaddr="";
	if (authaddr_buf)	free(authaddr_buf);
	authaddr_buf=malloc(sizeof("AUTHADDR=")+strlen(authaddr));
	if (!authaddr_buf)
	{
		perror("malloc");
		authexit(1);
	}
	strcat(strcpy(authaddr_buf, "AUTHADDR="), authaddr);
	if (!authfullname)	authfullname="";
	if (authfullname_buf)	free(authfullname_buf);
	authfullname_buf=malloc(sizeof("AUTHFULLNAME=")+strlen(authfullname));
	if (!authfullname_buf)
	{
		perror("malloc");
		authexit(1);
	}
	strcat(strcpy(authfullname_buf, "AUTHFULLNAME="), authfullname);
	/* Get rid of GECOS crud */
	p=authfullname_buf+strlen(authfullname_buf);
	while (*--p == ',')
		*p=0;
	putenv(authaddr_buf);
	putenv(authfullname_buf);
}
void authdummy()
{
}

						