ACE/apps/JAWS/clients/WebSTONE/src/nsapi-includes/base/net.h

   1 /*
   2  * Copyright (c) 1994, 1995.  Netscape Communications Corporation.  All
   3  * rights reserved.
   4  *
   5  * Use of this software is governed by the terms of the license agreement for
   6  * the Netscape Communications or Netscape Comemrce Server between the
   7  * parties.
   8  */
   9
  10
  11 /* ------------------------------------------------------------------------ */
  12
  13
  14 /*
  15  * net.h: system specific networking definitions
  16  *
  17  * Rob McCool
  18  */
  19
  20
  21 #ifndef NET_H
  22 #define NET_H
  23
  24 #include "systems.h"
  25
  26 #include "file.h"       /* for client file descriptors */
  27
  28 #include "pblock.h"     /* for client data block */
  29
  30
  31 /* This should be a user-given parameter later */
  32 #define NET_BUFFERSIZE 8192
  33 /* So should this. */
  34 #define NET_READ_TIMEOUT 120
  35 #define NET_WRITE_TIMEOUT 300
  36
  37 #define SSL_HANDSHAKE_TIMEOUT 300
  38
  39 #if defined(NET_SOCKETS) || defined(NET_SSL)
  40
  41 #ifdef NET_WINSOCK
  42 #include <winsock.h>
  43 #else /* XP_UNIX */
  44 #include <sys/types.h>
  45 #include <sys/socket.h>
  46 #include <netinet/in.h> /* sockaddr and in_addr */
  47 #include <arpa/inet.h>  /* inet_ntoa */
  48 #include <netdb.h>      /* hostent stuff */
  49 #endif /* NET_WINSOCK */
  50
  51 #ifdef NET_SSL
  52 #include "minissl.h"
  53 #endif
  54
  55
  56 /* -------------------------------- Global -------------------------------- */
  57
  58 extern int net_enabledns;
  59
  60
  61 /* ------------------------------ Data types ------------------------------ */
  62
  63
  64 #ifdef NET_WINSOCK
  65 typedef SOCKET SYS_NETFD;
  66 #else /* XP_UNIX */
  67 typedef int SYS_NETFD;
  68 #endif /* NET_WINSOCK */
  69
  70 #define SYS_NET_ERRORFD -1
  71
  72
  73 /* -------------------------------- Macros -------------------------------- */
  74
  75
  76 /* These may be different for non-UNIX systems. */
  77
  78
  79 #ifndef NET_SSL
  80 #define net_socket socket
  81 #define net_setsockopt setsockopt
  82 #define net_getsockopt getsockopt
  83 #define net_listen listen
  84 #define net_select select
  85 #define net_getpeername getpeername
  86
  87 #ifndef NET_WINSOCK
  88 #define net_close(sd) close(sd)
  89 #define net_bind bind
  90 #else /* NET_WINSOCK */
  91 #define net_close(sd) closesocket(sd)
  92 #define system_netbind bind
  93 int net_bind(SYS_NETFD s, const struct sockaddr *name, int namelen);
  94 #endif /* NET_WINSOCK */
  95
  96 #ifdef DAEMON_NEEDS_SEMAPHORE
  97 #define net_accept net_semaccept
  98 #else  /* ! DAEMON_NEEDS_SEMAPHORE */
  99 #define net_accept accept
 100 #endif /* DAEMON_NEEDS_SEMAPHORE */
 101
 102 #else /* NET_SSL */
 103 #define net_close(sd) SSL_Close(sd)
 104 #define net_socket SSL_Socket
 105 #define net_setsockopt SSL_SetSockOpt
 106 #define net_getsockopt SSL_GetSockOpt
 107
 108 #ifdef XP_UNIX
 109 #define net_bind SSL_Bind
 110 #else /* WIN32 */
 111 #define system_netbind SSL_Bind
 112 int net_bind(SYS_NETFD s, const struct sockaddr *name, int namelen);
 113 #endif /* XP_UNIX */
 114
 115 #define net_listen SSL_Listen
 116 #define net_select select /* !!! */
 117 #define net_getpeername SSL_GetPeerName
 118 #define net_accept SSL_Accept
 119 #endif /* ! NET_SSL */
 120
 121
 122 /* Users should never call the system_net* functions.  */
 123 #ifdef NET_SSL
 124 #define system_netread(sd, buf, sz) SSL_Read(sd, buf, sz)
 125 #define system_netwrite SSL_Write
 126 #else  /* ! NET_SSL */
 127
 128 #if !defined(NET_WINSOCK)
 129 #define system_netread(sd, buf, sz) read(sd, buf, sz)
 130 #define system_netwrite write
 131 #else /* NET_WINSOCK */
 132 #define system_netread(sd, buf, sz) recv(sd, buf, sz, 0)
 133 #define system_netwrite(sd, buf, sz) send(sd, buf, sz, 0)
 134 #endif /* ! NET_WINSOCK */
 135
 136 #endif /* NET_SSL */
 137
 138 int net_read(SYS_NETFD sd, char *buf, int sz, int timeout);
 139 int net_write(SYS_NETFD sd, char *buf, int sz);
 140
 141 #ifdef DAEMON_NEEDS_SEMAPHORE
 142 int net_semaccept_init(int port);
 143 int net_semaccept(int s, struct sockaddr *addr, int *addrlen);
 144 void net_semaccept_terminate();
 145 #endif
 146
 147
 148 /* ------------------------------ Prototypes ------------------------------ */
 149
 150
 151 /*
 152  * net_find_fqdn looks through the given hostent structure trying to find
 153  * a FQDN for the host. If it finds none, it returns NULL. Otherwise, it
 154  * returns a newly allocated copy of that string.
 155  */
 156
 157 char *net_find_fqdn(struct hostent *p);
 158
 159 /*
 160  * net_ip2host transforms the given textual IP number into a FQDN. If it
 161  * can't find a FQDN, it will return what it can get. Otherwise, NULL.
 162  *
 163  * verify is whether or not the function should verify the hostname it
 164  * gets. This takes an extra query but is safer for use in access control.
 165  */
 166
 167 char *net_ip2host(char *ip, int verify);
 168
 169 /*
 170  * net_sendmail sends mail to the specified recipient with the given subject
 171  * and message. Currently uses external programs.
 172  */
 173
 174 int net_sendmail(char *to, char *subject, char *msg);
 175
 176 #endif
 177 #endif