diff options
Diffstat (limited to 'driver/vms-validate.c')
-rw-r--r-- | driver/vms-validate.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/driver/vms-validate.c b/driver/vms-validate.c new file mode 100644 index 0000000..8f7141d --- /dev/null +++ b/driver/vms-validate.c @@ -0,0 +1,75 @@ +/* + * validate a password for a user + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation. No representations are made about the suitability of this + * software for any purpose. It is provided "as is" without express or + * implied warranty. + */ + +/* + * Includes + */ +#include <stdio.h> +#include <ctype.h> +#include <string.h> + +#include "vms-pwd.h" +int hash_vms_password(char *output_buf,char *input_buf,int input_length, + char *username,int encryption_type,unsigned short salt); + +/* + * + * Validate a VMS UserName/Password pair. + * + */ + +int validate_user(name,password) +char *name; +char *password; +{ + char password_buf[64]; + char username_buf[31]; + char encrypt_buf[8]; + register int i; + register char *cp,*cp1; + struct passwd *user_entry; + + /* + * Get the users UAF entry + */ + user_entry = getpwnam(name); + + /* + * If user_entry == NULL then we got a bad error + * return -1 to indicate a bad error + */ + if (user_entry == NULL) return (-1); + + /* + * Uppercase the password + */ + cp = password; + cp1 = password_buf; + while (*cp) + if (islower(*cp)) + *cp1++ = toupper(*cp++); + else + *cp1++ = *cp++; + /* + * Get the length of the password + */ + i = strlen(password); + /* + * Encrypt the password + */ + hash_vms_password(encrypt_buf,password_buf,i,user_entry->pw_name, + user_entry->pw_encrypt, user_entry->pw_salt); + if (memcmp(encrypt_buf,user_entry->pw_passwd,8) == 0) + return(1); + else return(0); +} + |