1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 #ident "%Z%%M% %I% %E% SMI" 23 24 /* 25 * Copyright (c) 1994, by Sun Microsystems, Inc. 26 */ 27 28 #include <stdio.h> 29 #include <stdlib.h> 30 #include <sys/types.h> 31 #include <sys/socket.h> 32 #include <netinet/in.h> 33 #include <string.h> 34 35 #include <netdb.h> 36 #include "getent.h" 37 38 static int 39 putservent(const struct servent *sp, FILE *fp) 40 { 41 char **p; 42 int rc = 0; 43 44 if (sp == NULL) { 45 return (1); 46 } 47 48 if (fprintf(fp, "%-20s %d/%s", 49 sp->s_name, ntohs(sp->s_port), sp->s_proto) == EOF) 50 rc = 1; 51 for (p = sp->s_aliases; *p != 0; p++) { 52 if (fprintf(fp, " %s", *p) == EOF) 53 rc = 1; 54 } 55 if (putc('\n', fp) == EOF) 56 rc = 1; 57 return (rc); 58 } 59 60 /* 61 * getservbyname/addr - get entries from service database 62 * Accepts arguments as: 63 * port/protocol 64 * port 65 * name/protocol 66 * name 67 */ 68 int 69 dogetserv(const char **list) 70 { 71 struct servent *sp; 72 int rc = EXC_SUCCESS; 73 74 if (list == NULL || *list == NULL) { 75 while ((sp = getservent()) != NULL) 76 (void) putservent(sp, stdout); 77 } else { 78 for (; *list != NULL; list++) { 79 int port; 80 char key[BUFSIZ]; 81 const char *protocol = NULL; 82 char *cp; 83 84 /* Copy string to avoiding modifying the argument */ 85 (void) strncpy(key, *list, sizeof (key)); 86 key[sizeof (key) - 1] = NULL; 87 /* Split at a '/' to extract protocol number */ 88 if ((cp = strchr(key, '/')) != NULL) { 89 *cp = NULL; 90 protocol = cp + 1; 91 } 92 port = htons(atoi(key)); 93 if (port != 0) 94 sp = getservbyport(port, protocol); 95 else 96 sp = getservbyname(key, protocol); 97 if (sp == NULL) 98 rc = EXC_NAME_NOT_FOUND; 99 else 100 (void) putservent(sp, stdout); 101 } 102 } 103 104 return (rc); 105 } 106