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author | deraadt <> | 1995-10-18 08:42:23 +0000 |
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committer | deraadt <> | 1995-10-18 08:42:23 +0000 |
commit | 0527d29da443886d92e9a418180c5b25a5f8d270 (patch) | |
tree | 86b3a64928451a669cefa27900e5884036b4e349 /src/lib/libc/net/getnetent.c | |
download | openbsd-0527d29da443886d92e9a418180c5b25a5f8d270.tar.gz openbsd-0527d29da443886d92e9a418180c5b25a5f8d270.tar.bz2 openbsd-0527d29da443886d92e9a418180c5b25a5f8d270.zip |
initial import of NetBSD tree
Diffstat (limited to 'src/lib/libc/net/getnetent.c')
-rw-r--r-- | src/lib/libc/net/getnetent.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/lib/libc/net/getnetent.c b/src/lib/libc/net/getnetent.c new file mode 100644 index 0000000000..b4e16b8f5d --- /dev/null +++ b/src/lib/libc/net/getnetent.c | |||
@@ -0,0 +1,127 @@ | |||
1 | /* $NetBSD: getnetent.c,v 1.4 1995/02/25 06:20:33 cgd Exp $ */ | ||
2 | |||
3 | /* | ||
4 | * Copyright (c) 1983, 1993 | ||
5 | * The Regents of the University of California. 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 the University of | ||
18 | * California, Berkeley and its contributors. | ||
19 | * 4. Neither the name of the University nor the names of its contributors | ||
20 | * may be used to endorse or promote products derived from this software | ||
21 | * without specific prior written permission. | ||
22 | * | ||
23 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | ||
24 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | ||
27 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
28 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
29 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
30 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
31 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
32 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
33 | * SUCH DAMAGE. | ||
34 | */ | ||
35 | |||
36 | #if defined(LIBC_SCCS) && !defined(lint) | ||
37 | #if 0 | ||
38 | static char sccsid[] = "@(#)getnetent.c 8.1 (Berkeley) 6/4/93"; | ||
39 | #else | ||
40 | static char rcsid[] = "$NetBSD: getnetent.c,v 1.4 1995/02/25 06:20:33 cgd Exp $"; | ||
41 | #endif | ||
42 | #endif /* LIBC_SCCS and not lint */ | ||
43 | |||
44 | #include <sys/types.h> | ||
45 | #include <sys/socket.h> | ||
46 | #include <netinet/in.h> | ||
47 | #include <arpa/inet.h> | ||
48 | #include <netdb.h> | ||
49 | #include <stdio.h> | ||
50 | #include <string.h> | ||
51 | |||
52 | #define MAXALIASES 35 | ||
53 | |||
54 | static FILE *netf; | ||
55 | static char line[BUFSIZ+1]; | ||
56 | static struct netent net; | ||
57 | static char *net_aliases[MAXALIASES]; | ||
58 | int _net_stayopen; | ||
59 | |||
60 | void | ||
61 | setnetent(f) | ||
62 | int f; | ||
63 | { | ||
64 | if (netf == NULL) | ||
65 | netf = fopen(_PATH_NETWORKS, "r" ); | ||
66 | else | ||
67 | rewind(netf); | ||
68 | _net_stayopen |= f; | ||
69 | } | ||
70 | |||
71 | void | ||
72 | endnetent() | ||
73 | { | ||
74 | if (netf) { | ||
75 | fclose(netf); | ||
76 | netf = NULL; | ||
77 | } | ||
78 | _net_stayopen = 0; | ||
79 | } | ||
80 | |||
81 | struct netent * | ||
82 | getnetent() | ||
83 | { | ||
84 | char *p; | ||
85 | register char *cp, **q; | ||
86 | |||
87 | if (netf == NULL && (netf = fopen(_PATH_NETWORKS, "r" )) == NULL) | ||
88 | return (NULL); | ||
89 | again: | ||
90 | p = fgets(line, BUFSIZ, netf); | ||
91 | if (p == NULL) | ||
92 | return (NULL); | ||
93 | if (*p == '#') | ||
94 | goto again; | ||
95 | cp = strpbrk(p, "#\n"); | ||
96 | if (cp == NULL) | ||
97 | goto again; | ||
98 | *cp = '\0'; | ||
99 | net.n_name = p; | ||
100 | cp = strpbrk(p, " \t"); | ||
101 | if (cp == NULL) | ||
102 | goto again; | ||
103 | *cp++ = '\0'; | ||
104 | while (*cp == ' ' || *cp == '\t') | ||
105 | cp++; | ||
106 | p = strpbrk(cp, " \t"); | ||
107 | if (p != NULL) | ||
108 | *p++ = '\0'; | ||
109 | net.n_net = inet_network(cp); | ||
110 | net.n_addrtype = AF_INET; | ||
111 | q = net.n_aliases = net_aliases; | ||
112 | if (p != NULL) | ||
113 | cp = p; | ||
114 | while (cp && *cp) { | ||
115 | if (*cp == ' ' || *cp == '\t') { | ||
116 | cp++; | ||
117 | continue; | ||
118 | } | ||
119 | if (q < &net_aliases[MAXALIASES - 1]) | ||
120 | *q++ = cp; | ||
121 | cp = strpbrk(cp, " \t"); | ||
122 | if (cp != NULL) | ||
123 | *cp++ = '\0'; | ||
124 | } | ||
125 | *q = NULL; | ||
126 | return (&net); | ||
127 | } | ||