1 /* $OpenBSD: main.c,v 1.10 2016/03/29 13:32:54 mestre Exp $ */ 2 /* $NetBSD: main.c,v 1.3 2002/07/09 10:34:16 tron Exp $ */ 3 4 /* 5 * Copyright (c) 1999 Alistair G. Crooks. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Alistair G. Crooks. 18 * 4. The name of the author may not be used to endorse or promote 19 * products derived from this software without specific prior written 20 * permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 23 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 26 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 28 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 31 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 32 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 #include <err.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <string.h> 38 #include <unistd.h> 39 40 #include "usermgmt.h" 41 42 enum { 43 MaxCmdWords = 2 44 }; 45 46 /* this struct describes a command */ 47 typedef struct cmd_t { 48 int c_wc; /* word count */ 49 const char *c_word[MaxCmdWords]; /* command words */ 50 int (*c_func)(int, char **); /* called function */ 51 } cmd_t; 52 53 /* despatch table for commands */ 54 static cmd_t cmds[] = { 55 { 1, { "useradd", NULL }, useradd }, 56 { 2, { "user", "add" }, useradd }, 57 { 1, { "usermod", NULL }, usermod }, 58 { 2, { "user", "mod" }, usermod }, 59 { 1, { "userdel", NULL }, userdel }, 60 { 2, { "user", "del" }, userdel }, 61 { 1, { "userinfo", NULL }, userinfo }, 62 { 2, { "user", "info" }, userinfo }, 63 { 1, { "groupadd", NULL }, groupadd }, 64 { 2, { "group", "add" }, groupadd }, 65 { 1, { "groupmod", NULL }, groupmod }, 66 { 2, { "group", "mod" }, groupmod }, 67 { 1, { "groupdel", NULL }, groupdel }, 68 { 2, { "group", "del" }, groupdel }, 69 { 1, { "groupinfo", NULL }, groupinfo }, 70 { 2, { "group", "info" }, groupinfo }, 71 { 0 } 72 }; 73 74 extern char *__progname; 75 76 int 77 main(int argc, char **argv) 78 { 79 cmd_t *cmdp; 80 int matched; 81 int i; 82 83 for (cmdp = cmds ; cmdp->c_wc > 0 ; cmdp++) { 84 for (matched = i = 0 ; i < cmdp->c_wc && i < MaxCmdWords ; i++) { 85 if (argc > i) { 86 if (strcmp((i == 0) ? __progname : argv[i], 87 cmdp->c_word[i]) == 0) { 88 matched += 1; 89 } else 90 break; 91 } 92 } 93 if (matched == cmdp->c_wc && cmdp->c_func != NULL) 94 return (*cmdp->c_func)(argc - (matched - 1), 95 argv + (matched - 1)); 96 } 97 usermgmt_usage(__progname); 98 } 99