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 $
18 /* System libraries */
30 /* request_fill - request update engine */
32 static struct request_info *request_fill(request, ap)
33 struct request_info *request;
39 while ((key = va_arg(ap, int)) > 0) {
42 tcpd_warn("request_fill: invalid key: %d", key);
45 request->fd = va_arg(ap, int);
49 request->client->sin = va_arg(ap, struct sockaddr *);
51 request->client->sin = va_arg(ap, struct sockaddr_in *);
56 request->server->sin = va_arg(ap, struct sockaddr *);
58 request->server->sin = va_arg(ap, struct sockaddr_in *);
63 * All other fields are strings with the same maximal length.
67 ptr = request->daemon;
73 ptr = request->client->name;
76 ptr = request->client->addr;
79 ptr = request->server->name;
82 ptr = request->server->addr;
85 STRN_CPY(ptr, va_arg(ap, char *), STRING_LENGTH);
90 /* request_init - initialize request structure */
92 struct request_info *request_init(struct request_info *request, ...)
94 static struct request_info default_info;
95 struct request_info *r;
99 * Initialize data members. We do not assign default function pointer
100 * members, to avoid pulling in the whole socket module when it is not
103 va_start(ap, request);
104 *request = default_info;
106 strcpy(request->daemon, unknown);
107 sprintf(request->pid, "%d", getpid());
108 request->client->request = request;
109 request->server->request = request;
110 r = request_fill(request, ap);
115 /* request_set - update request structure */
117 struct request_info *request_set(struct request_info *request, ...)
119 struct request_info *r;
122 va_start(ap, request);
123 r = request_fill(request, ap);