/* * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ Change History (most recent first): $Log: dnssd_ipc.c,v $ Revision 1.10 2004/09/22 20:05:38 majka Integrated 3725573 - Need Error Codes for handling Lighthouse setup failure on NAT 3805822 - Socket-based APIs aren't endian-safe 3806739 - DNSServiceSetDefaultDomainForUser header comments incorrect Revision 1.9.4.1 2004/09/20 21:54:33 ksekar <rdar://problem/3805822> Socket-based APIs aren't endian-safe Revision 1.9 2004/09/16 23:45:24 majka Integrated 3775315 and 3765280. Revision 1.8.4.1 2004/09/02 19:43:41 ksekar <rdar://problem/3775315>: Sync dns-sd client files between Libinfo and mDNSResponder projects Revision 1.11 2004/06/18 04:56:09 rpantos casting goodness Revision 1.10 2004/06/12 01:08:14 cheshire Changes for Windows compatibility Revision 1.9 2004/05/18 23:51:27 cheshire Tidy up all checkin comments to use consistent "<rdar://problem/xxxxxxx>" format for bug numbers Revision 1.8 2003/11/05 22:44:57 ksekar <rdar://problem/3335230>: No bounds checking when reading data from client Reviewed by: Stuart Cheshire Revision 1.7 2003/08/12 19:56:25 cheshire Update to APSL 2.0 */ #include "dnssd_ipc.h" void put_long(const uint32_t l, char **ptr) { (*ptr)[0] = (char)((l >> 24) & 0xFF); (*ptr)[1] = (char)((l >> 16) & 0xFF); (*ptr)[2] = (char)((l >> 8) & 0xFF); (*ptr)[3] = (char)((l ) & 0xFF); *ptr += sizeof(uint32_t); } uint32_t get_long(char **ptr) { uint8_t *p = (uint8_t*) *ptr; *ptr += sizeof(uint32_t); return((uint32_t) ((uint32_t)p[0] << 24 | (uint32_t)p[1] << 16 | (uint32_t)p[2] << 8 | p[3])); } void put_short(uint16_t s, char **ptr) { (*ptr)[0] = (char)((s >> 8) & 0xFF); (*ptr)[1] = (char)((s ) & 0xFF); *ptr += sizeof(uint16_t); } uint16_t get_short(char **ptr) { uint8_t *p = (uint8_t*) *ptr; *ptr += sizeof(uint16_t); return((uint16_t) ((uint16_t)p[0] << 8 | p[1])); } int put_string(const char *str, char **ptr) { if (!str) str = ""; strcpy(*ptr, str); *ptr += strlen(str) + 1; return 0; } int get_string(char **ptr, char *buffer, int buflen) { int overrun = (int)strlen(*ptr) < buflen ? 0 : -1; strncpy(buffer, *ptr, buflen - 1); buffer[buflen - 1] = '\0'; *ptr += strlen(buffer) + 1; return overrun; } void put_rdata(const int rdlen, const char *rdata, char **ptr) { memcpy(*ptr, rdata, rdlen); *ptr += rdlen; } char *get_rdata(char **ptr, int rdlen) { char *rd = *ptr; *ptr += rdlen; return rd; } void ConvertHeaderBytes(ipc_msg_hdr *hdr) { hdr->version = htonl(hdr->version); hdr->datalen = htonl(hdr->datalen); hdr->flags = htonl(hdr->flags); hdr->op = htonl(hdr->op ); hdr->reg_index = htonl(hdr->reg_index); }