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Annotation of src/usr.bin/tcfs/tcfsrmuser.c, Revision 1.1

1.1     ! provos      1: /*
        !             2:  *     Transparent Cryptographic File System (TCFS) for NetBSD
        !             3:  *     Author and mantainer:   Luigi Catuogno [luicat@tcfs.unisa.it]
        !             4:  *
        !             5:  *     references:             http://tcfs.dia.unisa.it
        !             6:  *                             tcfs-bsd@tcfs.unisa.it
        !             7:  */
        !             8:
        !             9: /*
        !            10:  *     Base utility set v0.1
        !            11:  */
        !            12:
        !            13:
        !            14: #include <stdio.h>
        !            15: #include <unistd.h>
        !            16:
        !            17: #include <miscfs/tcfs/tcfs.h>
        !            18: #include "tcfslib.h"
        !            19: #include "tcfserrors.h"
        !            20:
        !            21: char *rmuser_usage="Usage: %s [OPTION]...
        !            22: Remove an user entry from the TCFS dabatase.
        !            23:
        !            24:   -l <user>   Username to remove from the TCFS database
        !            25:   -h          Shows this help
        !            26:   -v          Makes the output a little more verbose\n";
        !            27:
        !            28: int
        !            29: rmuser_main (int argn, char *argv[])
        !            30: {
        !            31:        int have_user=FALSE;
        !            32:        int be_verbose=FALSE;
        !            33:        char *user, *passwd;
        !            34:        tcfspwdb *user_info;
        !            35:        int val;
        !            36:
        !            37:        /*
        !            38:         * Going to check the arguments
        !            39:         */
        !            40:
        !            41:         user=(char *) malloc(20);
        !            42:
        !            43:         while ((val=getopt (argn, argv, "l:hv"))!=EOF)
        !            44:                 switch (val)
        !            45:                {
        !            46:                        case 'l':
        !            47:                                strncpy (user, optarg, 9);
        !            48:                                have_user=TRUE;
        !            49:                                break;
        !            50:
        !            51:                        case 'h':
        !            52:                                show_usage (rmuser_usage, argv[0]);
        !            53:                                exit (OK);
        !            54:                                break;
        !            55:
        !            56:                        case 'v':
        !            57:                                be_verbose=TRUE;
        !            58:                                break;
        !            59:
        !            60:                        default:
        !            61:                                fprintf (stderr, "Try %s --help for more information.\n", argv[0]);
        !            62:                                exit (ER_UNKOPT);
        !            63:                                break;
        !            64:                }
        !            65:
        !            66:        if (argn-optind)
        !            67:                tcfs_error (ER_UNKOPT, NULL);
        !            68:
        !            69:        /*
        !            70:         * Here we don't have to drop root privileges because only root
        !            71:         * should run us.
        !            72:         * However we can do better. Maybe in next versions.
        !            73:         */
        !            74:        if (!have_user)
        !            75:        {
        !            76:                printf ("Username to remove from TCFS database: ");
        !            77:                fgets (user,9,stdin);
        !            78:                user[strlen(user)-1]='\0';
        !            79:        }
        !            80:
        !            81:        if (be_verbose)
        !            82:                printf ("Deleting the entry for user %s from the TCFS database...\n", user);
        !            83:
        !            84:        /*
        !            85:         * Deleting an entry from the key database
        !            86:         */
        !            87:        if (!tcfspwdbr_new (&user_info))
        !            88:                tcfs_error (ER_MEM, NULL);
        !            89:
        !            90:        if (!tcfspwdbr_edit (&user_info, F_USR, user))
        !            91:                tcfs_error (ER_MEM, NULL);
        !            92:
        !            93:        if (!tcfs_putpwnam (user, user_info, U_DEL))
        !            94:                tcfs_error (ER_CUSTOM, "Error: cannot remove user.");
        !            95:
        !            96:        if (be_verbose)
        !            97:                printf ("User entry removed with success.\n");
        !            98:
        !            99:        tcfs_error (OK, NULL);
        !           100: }