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 23 /* 24 * Copyright (c) 1994, by Sun Microsystems, Inc. 25 */ 26 27 #include <stdio.h> 28 #include <stdlib.h> 29 #include <sys/types.h> 30 #include <sys/socket.h> 31 #include <netinet/in.h> 32 #include <string.h> 33 34 #include <netdb.h> 35 #include "getent.h" 36 37 static int 38 putservent(const struct servent *sp, FILE *fp) 39 { 40 char **p; 41 int rc = 0; 42 43 if (sp == NULL) { 44 return (1); 45 } 46 47 if (fprintf(fp, "%-20s %d/%s", 48 sp->s_name, ntohs(sp->s_port), sp->s_proto) == EOF) 49 rc = 1; 50 for (p = sp->s_aliases; *p != 0; p++) { 51 if (fprintf(fp, " %s", *p) == EOF) 52 rc = 1; 53 } 54 if (putc('\n', fp) == EOF) 55 rc = 1; 56 return (rc); 57 } 58 59 /* 60 * getservbyname/addr - get entries from service database 61 * Accepts arguments as: 62 * port/protocol 63 * port 64 * name/protocol 65 * name 66 */ 67 int 68 dogetserv(const char **list) 69 { 70 struct servent *sp; 71 int rc = EXC_SUCCESS; 72 73 if (list == NULL || *list == NULL) { 74 while ((sp = getservent()) != NULL) 75 (void) putservent(sp, stdout); 76 } else { 77 for (; *list != NULL; list++) { 78 int port; 79 char key[BUFSIZ]; 80 const char *protocol = NULL; 81 char *cp; 82 83 /* Copy string to avoiding modifying the argument */ 84 (void) strncpy(key, *list, sizeof (key)); 85 key[sizeof (key) - 1] = '\0'; 86 /* Split at a '/' to extract protocol number */ 87 if ((cp = strchr(key, '/')) != NULL) { 88 *cp = '\0'; 89 protocol = cp + 1; 90 } 91 port = htons(atoi(key)); 92 if (port != 0) 93 sp = getservbyport(port, protocol); 94 else 95 sp = getservbyname(key, protocol); 96 if (sp == NULL) 97 rc = EXC_NAME_NOT_FOUND; 98 else 99 (void) putservent(sp, stdout); 100 } 101 } 102 103 return (rc); 104 } 105