2 * Routines for controlled update/initialization of request structures.
4 * request_init() initializes its argument. Pointers and string-valued members
5 * are initialized to zero, to indicate that no lookup has been attempted.
7 * request_set() adds information to an already initialized request structure.
9 * Both functions take a variable-length name-value list.
11 * Diagnostics are reported through syslog(3).
13 * Author: Wietse Venema, Eindhoven University of Technology, The Netherlands.
15 * $FreeBSD: src/contrib/tcp_wrappers/update.c,v 1.2 2000/02/03 10:27:00 shin Exp $
16 * $DragonFly: src/contrib/tcp_wrappers/update.c,v 1.2 2003/06/17 04:24:06 dillon Exp $
20 static char sccsid[] = "@(#) update.c 1.1 94/12/28 17:42:56";
23 /* System libraries */
34 /* request_fill - request update engine */
36 static struct request_info *request_fill(request, ap)
37 struct request_info *request;
43 while ((key = va_arg(ap, int)) > 0) {
46 tcpd_warn("request_fill: invalid key: %d", key);
49 request->fd = va_arg(ap, int);
53 request->client->sin = va_arg(ap, struct sockaddr *);
55 request->client->sin = va_arg(ap, struct sockaddr_in *);
60 request->server->sin = va_arg(ap, struct sockaddr *);
62 request->server->sin = va_arg(ap, struct sockaddr_in *);
67 * All other fields are strings with the same maximal length.
71 ptr = request->daemon;
77 ptr = request->client->name;
80 ptr = request->client->addr;
83 ptr = request->server->name;
86 ptr = request->server->addr;
89 STRN_CPY(ptr, va_arg(ap, char *), STRING_LENGTH);
94 /* request_init - initialize request structure */
96 struct request_info *VARARGS(request_init, struct request_info *, request)
98 static struct request_info default_info;
99 struct request_info *r;
103 * Initialize data members. We do not assign default function pointer
104 * members, to avoid pulling in the whole socket module when it is not
107 VASTART(ap, struct request_info *, request);
108 *request = default_info;
110 strcpy(request->daemon, unknown);
111 sprintf(request->pid, "%d", getpid());
112 request->client->request = request;
113 request->server->request = request;
114 r = request_fill(request, ap);
119 /* request_set - update request structure */
121 struct request_info *VARARGS(request_set, struct request_info *, request)
123 struct request_info *r;
126 VASTART(ap, struct request_info *, request);
127 r = request_fill(request, ap);