comparison: src/protocols/zephyr/ZFmtAuth.c
src/protocols/zephyr/ZFmtAuth.c
- changeset 2086
- 007508451e2c
- child 8354
- 61ee455834c5
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| 2085:4659ae7bc69c | 2086:007508451e2c |
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| 1 /* This file is part of the Project Athena Zephyr Notification System. | |
| 2 * It contains source for the ZFormatAuthenticNotice function. | |
| 3 * | |
| 4 * Created by: Robert French | |
| 5 * | |
| 6 * $Source$ | |
| 7 * $Author: warmenhoven $ | |
| 8 * | |
| 9 * Copyright (c) 1987,1988 by the Massachusetts Institute of Technology. | |
| 10 * For copying and distribution information, see the file | |
| 11 * "mit-copyright.h". | |
| 12 */ | |
| 13 /* $Header$ */ | |
| 14 | |
| 15 #ifndef lint | |
| 16 static char rcsid_ZFormatAuthenticNotice_c[] = "$Header$"; | |
| 17 #endif | |
| 18 | |
| 19 #include <internal.h> | |
| 20 | |
| 21 #ifdef ZEPHYR_USES_KERBEROS | |
| 22 Code_t ZFormatAuthenticNotice(notice, buffer, buffer_len, len, session) | |
| 23 ZNotice_t *notice; | |
| 24 register char *buffer; | |
| 25 register int buffer_len; | |
| 26 int *len; | |
| 27 C_Block session; | |
| 28 { | |
| 29 ZNotice_t newnotice; | |
| 30 char *ptr; | |
| 31 int retval, hdrlen; | |
| 32 | |
| 33 newnotice = *notice; | |
| 34 newnotice.z_auth = 1; | |
| 35 newnotice.z_authent_len = 0; | |
| 36 newnotice.z_ascii_authent = ""; | |
| 37 | |
| 38 if ((retval = Z_FormatRawHeader(&newnotice, buffer, buffer_len, | |
| 39 &hdrlen, &ptr, NULL)) != ZERR_NONE) | |
| 40 return (retval); | |
| 41 | |
| 42 #ifdef NOENCRYPTION | |
| 43 newnotice.z_checksum = 0; | |
| 44 #else | |
| 45 newnotice.z_checksum = | |
| 46 (ZChecksum_t)des_quad_cksum(buffer, NULL, ptr - buffer, 0, session); | |
| 47 #endif | |
| 48 if ((retval = Z_FormatRawHeader(&newnotice, buffer, buffer_len, | |
| 49 &hdrlen, NULL, NULL)) != ZERR_NONE) | |
| 50 return (retval); | |
| 51 | |
| 52 ptr = buffer+hdrlen; | |
| 53 | |
| 54 if (newnotice.z_message_len+hdrlen > buffer_len) | |
| 55 return (ZERR_PKTLEN); | |
| 56 | |
| 57 (void) memcpy(ptr, newnotice.z_message, newnotice.z_message_len); | |
| 58 | |
| 59 *len = hdrlen+newnotice.z_message_len; | |
| 60 | |
| 61 if (*len > Z_MAXPKTLEN) | |
| 62 return (ZERR_PKTLEN); | |
| 63 | |
| 64 return (ZERR_NONE); | |
| 65 } | |
| 66 #endif |
