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1 /*
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2 * CDDL HEADER START
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3 *
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4 * The contents of this file are subject to the terms of the
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5 * Common Development and Distribution License, Version 1.0 only
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6 * (the "License"). You may not use this file except in compliance
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7 * with the License.
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8 *
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9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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10 * or http://www.opensolaris.org/os/licensing.
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11 * See the License for the specific language governing permissions
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12 * and limitations under the License.
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13 *
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14 * When distributing Covered Code, include this CDDL HEADER in each
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15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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16 * If applicable, add the following below this CDDL HEADER, with the
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17 * fields enclosed by brackets "[]" replaced with your own identifying
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18 * information: Portions Copyright [yyyy] [name of copyright owner]
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19 *
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20 * CDDL HEADER END
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21 */
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22 #ident "@(#)dogetserv.c 1.5 05/06/08 SMI"
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23
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24 /*
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25 * Copyright (c) 1994, by Sun Microsystems, Inc.
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26 */
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27
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28 #include <stdio.h>
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29 #include <stdlib.h>
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30 #include <sys/types.h>
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31 #include <sys/socket.h>
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32 #include <netinet/in.h>
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33 #include <string.h>
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34
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35 #include <netdb.h>
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36 #include "getent.h"
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37
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38 static int
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39 putservent(const struct servent *sp, FILE *fp)
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40 {
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41 char **p;
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42 int rc = 0;
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43
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44 if (sp == NULL) {
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45 return (1);
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46 }
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47
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48 if (fprintf(fp, "%-20s %d/%s",
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49 sp->s_name, ntohs(sp->s_port), sp->s_proto) == EOF)
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50 rc = 1;
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51 for (p = sp->s_aliases; *p != 0; p++) {
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52 if (fprintf(fp, " %s", *p) == EOF)
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53 rc = 1;
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54 }
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55 if (putc('\n', fp) == EOF)
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56 rc = 1;
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57 return (rc);
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58 }
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59
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60 /*
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61 * getservbyname/addr - get entries from service database
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62 * Accepts arguments as:
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63 * port/protocol
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64 * port
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65 * name/protocol
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66 * name
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67 */
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68 int
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69 dogetserv(const char **list)
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70 {
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71 struct servent *sp;
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72 int rc = EXC_SUCCESS;
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73
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74 if (list == NULL || *list == NULL) {
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75 while ((sp = getservent()) != NULL)
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76 (void) putservent(sp, stdout);
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77 } else {
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78 for (; *list != NULL; list++) {
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79 int port;
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80 char key[BUFSIZ];
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81 const char *protocol = NULL;
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82 char *cp;
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83
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84 /* Copy string to avoiding modifying the argument */
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85 (void) strncpy(key, *list, sizeof (key));
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86 key[sizeof (key) - 1] = NULL;
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87 /* Split at a '/' to extract protocol number */
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88 if ((cp = strchr(key, '/')) != NULL) {
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89 *cp = NULL;
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90 protocol = cp + 1;
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91 }
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92 port = htons(atoi(key));
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93 if (port != 0)
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94 sp = getservbyport(port, protocol);
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95 else
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96 sp = getservbyname(key, protocol);
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97 if (sp == NULL)
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98 rc = EXC_NAME_NOT_FOUND;
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99 else
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100 (void) putservent(sp, stdout);
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101 }
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102 }
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103
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104 return (rc);
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105 }
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