-/*
- * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
+/* -*- Mode: C; tab-width: 4 -*-
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
- *
- * 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 1.9 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
-
+ * Copyright (c) 2003-2004, Apple Computer, Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "dnssd_ipc.h"
-void put_flags(const DNSServiceFlags flags, char **ptr)
- {
- memcpy(*ptr, &flags, sizeof(DNSServiceFlags));
- *ptr += sizeof(flags);
- }
-
-DNSServiceFlags get_flags(char **ptr)
- {
- DNSServiceFlags flags;
-
- flags = *(DNSServiceFlags *)*ptr;
- *ptr += sizeof(DNSServiceFlags);
- return flags;
- }
-
-void put_long(const uint32_t l, char **ptr)
- {
-
- *(uint32_t *)(*ptr) = l;
- *ptr += sizeof(uint32_t);
- }
-
-uint32_t get_long(char **ptr)
- {
- uint32_t l;
-
- l = *(uint32_t *)(*ptr);
- *ptr += sizeof(uint32_t);
- return l;
- }
-
-void put_error_code(const DNSServiceErrorType error, char **ptr)
- {
- memcpy(*ptr, &error, sizeof(error));
- *ptr += sizeof(DNSServiceErrorType);
- }
-
-DNSServiceErrorType get_error_code(char **ptr)
- {
- DNSServiceErrorType error;
-
- error = *(DNSServiceErrorType *)(*ptr);
- *ptr += sizeof(DNSServiceErrorType);
- return error;
- }
-
-void put_short(const uint16_t s, char **ptr)
- {
- *(uint16_t *)(*ptr) = s;
- *ptr += sizeof(uint16_t);
- }
-
-uint16_t get_short(char **ptr)
- {
- uint16_t s;
-
- s = *(uint16_t *)(*ptr);
- *ptr += sizeof(uint16_t);
- return s;
- }
-
+#if defined(_WIN32)
+
+char *win32_strerror(int inErrorCode)
+ {
+ static char buffer[1024];
+ DWORD n;
+ memset(buffer, 0, sizeof(buffer));
+ n = FormatMessageA(
+ FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+ NULL,
+ (DWORD) inErrorCode,
+ MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+ buffer,
+ sizeof(buffer),
+ NULL);
+ if (n > 0)
+ {
+ // Remove any trailing CR's or LF's since some messages have them.
+ while ((n > 0) && isspace(((unsigned char *) buffer)[n - 1]))
+ buffer[--n] = '\0';
+ }
+ return buffer;
+ }
+
+#endif
+
+void put_uint32(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_uint32(const char **ptr, const char *end)
+ {
+ if (!*ptr || *ptr + sizeof(uint32_t) > end)
+ {
+ *ptr = NULL;
+ return(0);
+ }
+ else
+ {
+ 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_uint16(uint16_t s, char **ptr)
+ {
+ (*ptr)[0] = (char)((s >> 8) & 0xFF);
+ (*ptr)[1] = (char)((s ) & 0xFF);
+ *ptr += sizeof(uint16_t);
+ }
+
+uint16_t get_uint16(const char **ptr, const char *end)
+ {
+ if (!*ptr || *ptr + sizeof(uint16_t) > end)
+ {
+ *ptr = NULL;
+ return(0);
+ }
+ else
+ {
+ 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;
-
- 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;
-
- rd = *ptr;
- *ptr += rdlen;
- return rd;
- }
-
-
-
-
-
-
-
-
-
+ {
+ if (!str) str = "";
+ strcpy(*ptr, str);
+ *ptr += strlen(str) + 1;
+ return 0;
+ }
+
+int get_string(const char **ptr, const char *const end, char *buffer, int buflen)
+ {
+ if (!*ptr)
+ {
+ *buffer = 0;
+ return(-1);
+ }
+ else
+ {
+ char *lim = buffer + buflen; // Calculate limit
+ while (*ptr < end && buffer < lim)
+ {
+ char c = *buffer++ = *(*ptr)++;
+ if (c == 0) return(0); // Success
+ }
+ if (buffer == lim) buffer--;
+ *buffer = 0; // Failed, so terminate string,
+ *ptr = NULL; // clear pointer,
+ return(-1); // and return failure indication
+ }
+ }
+
+void put_rdata(const int rdlen, const unsigned char *rdata, char **ptr)
+ {
+ memcpy(*ptr, rdata, rdlen);
+ *ptr += rdlen;
+ }
+
+const char *get_rdata(const char **ptr, const char *end, int rdlen)
+ {
+ if (!*ptr || *ptr + rdlen > end)
+ {
+ *ptr = NULL;
+ return(0);
+ }
+ else
+ {
+ const char *rd = *ptr;
+ *ptr += rdlen;
+ return rd;
+ }
+ }
+
+void ConvertHeaderBytes(ipc_msg_hdr *hdr)
+ {
+ hdr->version = htonl(hdr->version);
+ hdr->datalen = htonl(hdr->datalen);
+ hdr->ipc_flags = htonl(hdr->ipc_flags);
+ hdr->op = htonl(hdr->op );
+ hdr->reg_index = htonl(hdr->reg_index);
+ }
projects / apple / mdnsresponder.git / blobdiff