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Annotation of src/usr.bin/tcfs/tcfsrmgroup.c, Revision 1.7

1.7     ! aaron       1: /*     $OpenBSD: tcfsrmgroup.c,v 1.6 2000/06/19 22:42:29 aaron Exp $   */
1.4       fgsch       2:
1.1       provos      3: /*
                      4:  *     Transparent Cryptographic File System (TCFS) for NetBSD
                      5:  *     Author and mantainer:   Luigi Catuogno [luicat@tcfs.unisa.it]
                      6:  *
                      7:  *     references:             http://tcfs.dia.unisa.it
                      8:  *                             tcfs-bsd@tcfs.unisa.it
                      9:  */
                     10:
                     11: /*
                     12:  *     Base utility set v0.1
                     13:  */
                     14:
1.3       fgsch      15: #include <grp.h>
1.1       provos     16: #include <stdio.h>
1.3       fgsch      17: #include <stdlib.h>
1.1       provos     18:
                     19: #include <miscfs/tcfs/tcfs.h>
                     20: #include "tcfslib.h"
                     21: #include "tcfserrors.h"
                     22:
                     23: char *rmgroup_usage="Usage: %s [OPTION]...
                     24: Remove a TCFS group from the TCFS group database.
                     25:
                     26:   -g <group>   Specifies the TCFS group to be removed
                     27:   -h           Shows this help
                     28:   -v           Makes the output a little more verbose\n";
                     29:
                     30: int
1.6       aaron      31: rmgroup_main(int argn, char *argv[])
1.1       provos     32: {
1.5       fgsch      33:        int val;
1.1       provos     34:        gid_t gid;
                     35:        int have_gid = FALSE, be_verbose = FALSE;
                     36:
                     37:        /*
                     38:         * Going to check the arguments
                     39:         */
                     40:        while ((val = getopt(argn, argv, "hg:v")) != EOF)
                     41:                switch (val) {
                     42:                case 'g':
                     43:                        gid = (gid_t)atoi(optarg);
                     44:                        if (!gid && optarg[0] != '0') { /* group name given */
                     45:                                struct group *group_id;
                     46:
1.6       aaron      47:                                group_id = getgrnam(optarg);
1.1       provos     48:                                if (!group_id)
1.6       aaron      49:                                        tcfs_error(ER_CUSTOM, "Nonexistent group.");
                     50:                                gid = group_id->gr_gid;
1.1       provos     51:                        }
                     52:
1.6       aaron      53:                        have_gid = TRUE;
1.1       provos     54:                        break;
                     55:                case 'h':
1.6       aaron      56:                        show_usage(rmgroup_usage, argv[0]);
                     57:                        exit(OK);
1.1       provos     58:                case 'v':
1.6       aaron      59:                        be_verbose = TRUE;
1.1       provos     60:                        break;
                     61:                default:
1.7     ! aaron      62:                        fprintf(stderr,
        !            63:                            "Try %s --help for more informations.\n", argv[0]);
1.6       aaron      64:                        exit(ER_UNKOPT);
1.1       provos     65:                }
                     66:
1.6       aaron      67:        if (argn - optind)
                     68:                tcfs_error(ER_UNKOPT, NULL);
1.1       provos     69:
                     70:        if (!have_gid) {
                     71:                char *buff = NULL;
                     72:                int len;
                     73:
1.7     ! aaron      74:                buff = (char *)calloc(2048, sizeof(char));
1.1       provos     75:                if (!buff)
1.6       aaron      76:                        tcfs_error(ER_MEM, NULL);
1.1       provos     77:
1.7     ! aaron      78:                printf("Group ID of the TCFS group to remove from the database: ");
1.6       aaron      79:                fgets(buff, 2048, stdin);
1.2       provos     80:                len = strlen(buff) - 1;
1.1       provos     81:                buff[len] = buff[len] == '\n' ? 0 : buff[len];
1.6       aaron      82:                gid = (gid_t)atoi(buff);
1.1       provos     83:
                     84:                if (!gid && optarg[0] != '0') { /* group name given */
                     85:                        struct group *group_id;
                     86:
                     87:                        group_id = getgrnam(optarg);
                     88:                        if (!group_id)
1.6       aaron      89:                                tcfs_error(ER_CUSTOM, "Nonexistent group.");
                     90:                        gid = group_id->gr_gid;
1.1       provos     91:                }
                     92:
1.6       aaron      93:                if (gid <= 0)
                     94:                        tcfs_error(ER_CUSTOM, "A positive ID please!");
1.1       provos     95:
1.6       aaron      96:                free(buff);
1.1       provos     97:        }
                     98:
1.6       aaron      99:        if (!tcfs_rmgroup(gid))
                    100:                tcfs_error(ER_CUSTOM, "Wrong ID or an error as occurred.\n");
1.1       provos    101: }