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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 "@(#)dogetproto.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 <netdb.h>
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34 #include "getent.h"
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35
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36 static int
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37 putprotoent(const struct protoent *pp, FILE *fp)
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38 {
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39 char **p;
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40 int rc = 0;
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41
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42 if (pp == NULL) {
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43 return (1);
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44 }
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45
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46 if (fprintf(fp, "%-20s %d",
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47 pp->p_name, pp->p_proto) == EOF)
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48 rc = 1;
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49 for (p = pp->p_aliases; *p != 0; p++) {
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50 if (fprintf(fp, " %s", *p) == EOF)
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51 rc = 1;
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52 }
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53 if (putc('\n', fp) == EOF)
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54 rc = 1;
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55 return (rc);
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56 }
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57
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58 /*
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59 * getprotobyname/addr - get entries from protocols database
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60 */
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61 int
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62 dogetproto(const char **list)
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63 {
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64 struct protoent *pp;
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65 int rc = EXC_SUCCESS;
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66
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67 if (list == NULL || *list == NULL) {
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68 while ((pp = getprotoent()) != NULL)
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69 (void) putprotoent(pp, stdout);
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70 } else {
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71 for (; *list != NULL; list++) {
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72 int protocol = atoi(*list);
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73 if (protocol != 0)
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74 pp = getprotobynumber(protocol);
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75 else
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76 pp = getprotobyname(*list);
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77 if (pp == NULL)
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78 rc = EXC_NAME_NOT_FOUND;
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79 else
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80 (void) putprotoent(pp, stdout);
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81 }
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82 }
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83
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84 return (rc);
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85 }
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