From 504145e186a092b89c2fd133090f5f653a64da10 Mon Sep 17 00:00:00 2001 From: Unknown <> Date: Sun, 13 Jan 2008 16:56:54 +0000 Subject: [PATCH] add files for 2008-01-13T16:56:54Z --- src/osdep/vms/tcp_vmsl.c | 378 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 378 insertions(+) create mode 100644 src/osdep/vms/tcp_vmsl.c diff --git a/src/osdep/vms/tcp_vmsl.c b/src/osdep/vms/tcp_vmsl.c new file mode 100644 index 0000000..692c921 --- /dev/null +++ b/src/osdep/vms/tcp_vmsl.c @@ -0,0 +1,378 @@ +/* ======================================================================== + * Copyright 1988-2008 University of Washington + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * + * ======================================================================== + */ + +/* + * Program: VMS TCP/IP routines for Netlib. + * + * Author: Mark Crispin + * Networks and Distributed Computing + * Computing & Communications + * University of Washington + * Administration Building, AG-44 + * Seattle, WA 98195 + * Internet: MRC@CAC.Washington.EDU + * + * Date: 2 August 1994 + * Last Edited: 13 January 2008 + */ + +/* Thanks to Yehavi Bourvine at The Hebrew University of Jerusalem who + contributed the original VMS code */ + +#include + +static char *tcp_getline_work (TCPSTREAM *stream,unsigned long *size, + long *contd); + +/* TCP/IP manipulate parameters + * Accepts: function code + * function-dependent value + * Returns: function-dependent return value + */ + +void *tcp_parameters (long function,void *value) +{ + return NIL; +} + + +/* TCP/IP open + * Accepts: host name + * contact service name + * contact port number + * Returns: TCP/IP stream if success else NIL + */ + +TCPSTREAM *tcp_open (char *host,char *service,unsigned long port) +{ + TCPSTREAM *stream = NIL; + unsigned long sock; + int status; + char tmp[MAILTMPLEN]; + /* hostname to connect to */ + struct dsc$descriptor HostDesc = { 0, DSC$K_DTYPE_T, DSC$K_CLASS_S, NULL }; + port &= 0xffff; /* erase flags */ + /* assign a local socket */ + if (!((status = net_assign (&sock)) & 0x1)) { + sprintf (tmp,"Unable to assign to net, status=%d",status); + mm_log (tmp,ERROR); + return NIL; + } + if (!((status = net_bind (&sock,1)) & 0x1)) { + sprintf (tmp,"Unable to create local socket, status=%d",status); + mm_log (tmp,ERROR); + return NIL; + } + /* open connection */ + HostDesc.dsc$w_length = strlen (host); + HostDesc.dsc$a_pointer = host; + if (!((status = tcp_connect (&sock,&HostDesc,port)) & 0x1)) { + sprintf (tmp,"Can't connect to %.80s,%lu: %s",host,port,strerror (errno)); + mm_log (tmp,ERROR); + return NIL; + } + /* create TCP/IP stream */ + stream = (TCPSTREAM *) fs_get (sizeof (TCPSTREAM)); + stream->host = cpystr (host); /* copy official host name */ + /* copy local host name */ + stream->localhost = cpystr (mylocalhost ()); + stream->port = port; /* copy port number */ + /* init sockets */ + stream->tcpsi = stream->tcpso = sock; + stream->ictr = 0; /* init input counter */ + return stream; /* return success */ +} + +/* TCP/IP authenticated open + * Accepts: NETMBX specifier + * service name + * returned user name buffer + * Returns: TCP/IP stream if success else NIL + */ + +TCPSTREAM *tcp_aopen (NETMBX *mb,char *service,char *usrbuf) +{ + return NIL; +} + +/* TCP receive line + * Accepts: TCP stream + * Returns: text line string or NIL if failure + */ + +char *tcp_getline (TCPSTREAM *stream) +{ + unsigned long n,contd; + char *ret = tcp_getline_work (stream,&n,&contd); + if (ret && contd) { /* got a line needing continuation? */ + STRINGLIST *stl = mail_newstringlist (); + STRINGLIST *stc = stl; + do { /* collect additional lines */ + stc->text.data = (unsigned char *) ret; + stc->text.size = n; + stc = stc->next = mail_newstringlist (); + ret = tcp_getline_work (stream,&n,&contd); + } while (ret && contd); + if (ret) { /* stash final part of line on list */ + stc->text.data = (unsigned char *) ret; + stc->text.size = n; + /* determine how large a buffer we need */ + for (n = 0, stc = stl; stc; stc = stc->next) n += stc->text.size; + ret = fs_get (n + 1); /* copy parts into buffer */ + for (n = 0, stc = stl; stc; n += stc->text.size, stc = stc->next) + memcpy (ret + n,stc->text.data,stc->text.size); + ret[n] = '\0'; + } + mail_free_stringlist (&stl);/* either way, done with list */ + } + return ret; +} + +/* TCP receive line or partial line + * Accepts: TCP stream + * pointer to return size + * pointer to return continuation flag + * Returns: text line string, size and continuation flag, or NIL if failure + */ + +static char *tcp_getline_work (TCPSTREAM *stream,unsigned long *size, + long *contd) +{ + unsigned long n; + char *s,*ret,c,d; + *contd = NIL; /* assume no continuation */ + /* make sure have data */ + if (!tcp_getdata (stream)) return NIL; + for (s = stream->iptr, n = 0, c = '\0'; stream->ictr--; n++, c = d) { + d = *stream->iptr++; /* slurp another character */ + if ((c == '\015') && (d == '\012')) { + ret = (char *) fs_get (n--); + memcpy (ret,s,*size = n); /* copy into a free storage string */ + ret[n] = '\0'; /* tie off string with null */ + return ret; + } + } + /* copy partial string from buffer */ + memcpy ((ret = (char *) fs_get (n)),s,*size = n); + /* get more data from the net */ + if (!tcp_getdata (stream)) fs_give ((void **) &ret); + /* special case of newline broken by buffer */ + else if ((c == '\015') && (*stream->iptr == '\012')) { + stream->iptr++; /* eat the line feed */ + stream->ictr--; + ret[*size = --n] = '\0'; /* tie off string with null */ + } + else *contd = LONGT; /* continuation needed */ + return ret; +} + +/* TCP/IP receive buffer + * Accepts: TCP/IP stream + * size in bytes + * buffer to read into + * Returns: T if success, NIL otherwise + */ + +long tcp_getbuffer (TCPSTREAM *stream,unsigned long size,char *buffer) +{ + unsigned long n; + char *bufptr = buffer; + while (size > 0) { /* until request satisfied */ + if (!tcp_getdata (stream)) return NIL; + n = min (size,stream->ictr);/* number of bytes to transfer */ + /* do the copy */ + memcpy (bufptr,stream->iptr,n); + bufptr += n; /* update pointer */ + stream->iptr +=n; + size -= n; /* update # of bytes to do */ + stream->ictr -=n; + } + bufptr[0] = '\0'; /* tie off string */ + return T; +} + + +/* TCP/IP receive data + * Accepts: TCP/IP stream + * Returns: T if success, NIL otherwise + */ + +long tcp_getdata (TCPSTREAM *stream) +{ + char tmp[MAILTMPLEN]; + int i,status; + /* Note: the doc says we need here dynamic descriptor, but we need static + * one... */ + struct dsc$descriptor BufDesc = {BUFLEN,DSC$K_DTYPE_T,DSC$K_CLASS_S, + stream->ibuf}; + static short iosb[4]; + if (stream->tcpsi < 0) return NIL; + while (stream->ictr < 1) { /* if nothing in the buffer */ + if (!((status = tcp_receive(&(stream->tcpsi), &BufDesc, iosb)) & 0x1)) { + sprintf (tmp,"Error reading from TcpIp/NETLIB, status=%d",status); + mm_log (tmp,ERROR); + return tcp_abort (stream); + } + if (iosb[1] > BUFLEN) i = BUFLEN; + else i = iosb[1]; + if (i < 1) return tcp_abort (stream); + stream->ictr = i; /* set new byte count */ + stream->iptr = stream->ibuf;/* point at TCP buffer */ + } + return T; +} + +/* TCP/IP send string as record + * Accepts: TCP/IP stream + * string pointer + * Returns: T if success else NIL + */ + +long tcp_soutr (TCPSTREAM *stream,char *string) +{ + return tcp_sout (stream,string,(unsigned long) strlen (string)); +} + + +/* TCP/IP send string + * Accepts: TCP/IP stream + * string pointer + * byte count + * Returns: T if success else NIL + */ + +long tcp_sout (TCPSTREAM *stream,char *string,unsigned long size) +{ + int status; + struct dsc$descriptor_s BufDesc = {strlen(string),DSC$K_DTYPE_T, + DSC$K_CLASS_S,string }; + /* 2 = Do not add \r\n */ + return ((status = tcp_send (&(stream->tcpso),&BufDesc,2)) & 0x1) ? T : + tcp_abort (stream); +} + +/* TCP/IP close + * Accepts: TCP/IP stream + */ + +void tcp_close (TCPSTREAM *stream) +{ + tcp_abort (stream); /* nuke the stream */ + /* flush host names */ + fs_give ((void **) &stream->host); + fs_give ((void **) &stream->localhost); + fs_give ((void **) &stream); /* flush the stream */ +} + + +/* TCP/IP abort stream + * Accepts: TCP/IP stream + * Returns: NIL always + */ + +long tcp_abort (TCPSTREAM *stream) +{ + if (stream->tcpsi >= 0) { /* no-op if no socket */ + /* nuke the socket */ + tcp_disconnect (&(stream->tcpsi)); + stream->tcpsi = stream->tcpso = -1; + } + return NIL; +} + +/* TCP/IP get host name + * Accepts: TCP/IP stream + * Returns: host name for this stream + */ + +char *tcp_host (TCPSTREAM *stream) +{ + return stream->host; /* return host name */ +} + + +/* TCP/IP get remote host name + * Accepts: TCP/IP stream + * Returns: host name for this stream + */ + +char *tcp_remotehost (TCPSTREAM *stream) +{ + return stream->host; /* return host name */ +} + + +/* TCP/IP return port for this stream + * Accepts: TCP/IP stream + * Returns: port number for this stream + */ + +unsigned long tcp_port (TCPSTREAM *stream) +{ + return stream->port; /* return port number */ +} + + +/* TCP/IP get local host name + * Accepts: TCP/IP stream + * Returns: local host name + */ + +char *tcp_localhost (TCPSTREAM *stream) +{ + return stream->localhost; /* return local host name */ +} + +/* Return my local host name + * Returns: my local host name + */ + +char *mylocalhost () +{ + int status; + char tmp[MAILTMPLEN]; + if (!myLocalHost) { /* have local host yet? */ + /* receives local host name */ + struct dsc$descriptor LocalhostDesc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_D,NULL}; + if (!((status = net_get_hostname (&LocalhostDesc)) & 0x1)) { + sprintf (tmp,"Can't get local hostname, status=%d",status); + mm_log (tmp,ERROR); + return "UNKNOWN"; + } + strncpy (tmp,LocalhostDesc.dsc$a_pointer,LocalhostDesc.dsc$w_length); + tmp[LocalhostDesc.dsc$w_length] = '\0'; + str$free1_dx (&LocalhostDesc); + myLocalHost = cpystr (tmp); + } + return myLocalHost; +} + +/* TCP/IP return canonical form of host name + * Accepts: host name + * Returns: canonical form of host name + */ + +char *tcp_canonical (char *name) +{ + return name; +} + + +/* TCP/IP get client host name (server calls only) + * Returns: client host name + */ + +char *tcp_clienthost () +{ + return "UNKNOWN"; +} -- 2.40.0