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/* This file is part of the Project Athena Zephyr Notification System.
* It contains source for the ZParseNotice function.
*
* Created by: Robert French
*
* $Source$
* $Author$
*
* Copyright (c) 1987 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
/* $Header$ */
#ifndef lint
static char rcsid_ZParseNotice_c[] = "$Header$";
#endif lint
#include <zephyr/mit-copyright.h>
#include <zephyr/zephyr_internal.h>
Code_t ZParseNotice(buffer, len, notice)
char *buffer;
int len;
ZNotice_t *notice;
{
char *ptr, *end;
int maj, numfields, i;
unsigned int temp[3];
bzero(notice, sizeof(ZNotice_t));
ptr = buffer;
end = buffer+len;
notice->z_packet = buffer;
notice->z_version = ptr;
if (strncmp(ptr, ZVERSIONHDR, strlen(ZVERSIONHDR)))
return (ZERR_VERS);
ptr += strlen(ZVERSIONHDR);
maj = atoi(ptr);
if (maj != ZVERSIONMAJOR)
return (ZERR_VERS);
ptr += strlen(ptr)+1;
if (ZReadAscii(ptr, end-ptr, (unsigned char *)temp,
sizeof(int)) == ZERR_BADFIELD)
return (ZERR_BADPKT);
numfields = ntohl(*temp);
ptr += strlen(ptr)+1;
numfields -= 2;
if (numfields < 0)
numfields = 0;
if (numfields) {
if (ZReadAscii(ptr, end-ptr, (unsigned char *)temp,
sizeof(int)) == ZERR_BADFIELD)
return (ZERR_BADPKT);
notice->z_kind = (ZNotice_Kind_t)ntohl((ZNotice_Kind_t)*temp);
numfields--;
ptr += strlen(ptr)+1;
}
else
return (ZERR_BADPKT);
if (numfields) {
if (ZReadAscii(ptr, end-ptr, (unsigned char *)temp,
sizeof(ZUnique_Id_t)) == ZERR_BADFIELD)
return (ZERR_BADPKT);
bcopy((char *)temp, (char *)¬ice->z_uid, sizeof(ZUnique_Id_t));
notice->z_time.tv_sec = ntohl(notice->z_uid.tv.tv_sec);
notice->z_time.tv_usec = ntohl(notice->z_uid.tv.tv_usec);
numfields--;
ptr += strlen(ptr)+1;
}
else
return (ZERR_BADPKT);
if (numfields) {
if (ZReadAscii(ptr, end-ptr, (unsigned char *)temp,
sizeof(u_short)) ==
ZERR_BADFIELD)
return (ZERR_BADPKT);
notice->z_port = *((u_short *)temp);
numfields--;
ptr += strlen(ptr)+1;
}
else
return (ZERR_BADPKT);
if (numfields) {
if (ZReadAscii(ptr, end-ptr, (unsigned char *)temp,
sizeof(int)) == ZERR_BADFIELD)
return (ZERR_BADPKT);
notice->z_auth = *temp;
numfields--;
ptr += strlen(ptr)+1;
}
else
return (ZERR_BADPKT);
if (numfields) {
if (ZReadAscii(ptr, end-ptr, (unsigned char *)temp,
sizeof(int)) == ZERR_BADFIELD)
return (ZERR_BADPKT);
notice->z_authent_len = ntohl(*temp);
numfields--;
ptr += strlen(ptr)+1;
}
else
return (ZERR_BADPKT);
if (numfields) {
notice->z_ascii_authent = ptr;
numfields--;
ptr += strlen(ptr)+1;
}
else
return (ZERR_BADPKT);
if (numfields) {
notice->z_class = ptr;
numfields--;
ptr += strlen(ptr)+1;
}
else
notice->z_class = "";
if (numfields) {
notice->z_class_inst = ptr;
numfields--;
ptr += strlen(ptr)+1;
}
else
notice->z_class_inst = "";
if (numfields) {
notice->z_opcode = ptr;
numfields--;
ptr += strlen(ptr)+1;
}
else
notice->z_opcode = "";
if (numfields) {
notice->z_sender = ptr;
numfields--;
ptr += strlen(ptr)+1;
}
else
notice->z_sender = "";
if (numfields) {
notice->z_recipient = ptr;
numfields--;
ptr += strlen(ptr)+1;
}
else
notice->z_recipient = "";
if (numfields) {
notice->z_default_format = ptr;
numfields--;
ptr += strlen(ptr)+1;
}
else
notice->z_default_format = "";
if (numfields) {
if (ZReadAscii(ptr, end-ptr, (unsigned char *)temp,
sizeof(ZChecksum_t))
== ZERR_BADFIELD)
return (ZERR_BADPKT);
notice->z_checksum = ntohl(*temp);
numfields--;
ptr += strlen(ptr)+1;
}
else
notice->z_checksum = 0;
if (numfields) {
notice->z_multinotice = ptr;
numfields--;
ptr += strlen(ptr)+1;
}
else
notice->z_multinotice = "";
for (i=0;i<Z_MAXOTHERFIELDS && numfields;i++,numfields--) {
notice->z_other_fields[i] = ptr;
ptr += strlen(ptr)+1;
}
notice->z_num_other_fields = i;
for (i=0;i<numfields;i++)
ptr += strlen(ptr)+1;
notice->z_message = (caddr_t) ptr;
notice->z_message_len = len-(ptr-buffer);
return (ZERR_NONE);
}
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