/* -*- Mode: C; tab-width: 4 -*-
*
- * Copyright (c) 2003-2004, Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003-2011 Apple 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:
* 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
+ * 3. Neither the name of Apple 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.
*
* 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.
-
- Change History (most recent first):
-
-$Log: dnssd_ipc.c,v $
-Revision 1.20 2007/07/23 22:12:53 cheshire
-<rdar://problem/5352299> Make mDNSResponder more defensive against malicious local clients
-
-Revision 1.19 2007/05/16 01:06:52 cheshire
-<rdar://problem/4471320> Improve reliability of kDNSServiceFlagsMoreComing flag on multiprocessor machines
-
-Revision 1.18 2007/03/21 19:01:57 cheshire
-<rdar://problem/5078494> IPC code not 64-bit-savvy: assumes long=32bits, and short=16bits
-
-Revision 1.17 2006/10/27 00:38:22 cheshire
-Strip accidental trailing whitespace from lines
-
-Revision 1.16 2006/08/14 23:05:53 cheshire
-Added "tab-width" emacs header line
-
-Revision 1.15 2005/01/27 22:57:56 cheshire
-Fix compile errors on gcc4
-
-Revision 1.14 2004/10/06 02:22:20 cheshire
-Changed MacRoman copyright symbol (should have been UTF-8 in any case :-) to ASCII-compatible "(c)"
-
-Revision 1.13 2004/10/01 22:15:55 rpantos
-rdar://problem/3824265: Replace APSL in client lib with BSD license.
-
-Revision 1.12 2004/09/16 23:14:24 cheshire
-Changes for Windows compatibility
-
-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_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);
- }
+#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
-uint32_t get_uint32(char **ptr, 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_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(char **ptr, 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]));
- }
- }
+{
+ (*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 *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
- }
- }
+{
+ 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;
- }
-
-char *get_rdata(char **ptr, char *end, int rdlen)
- {
- if (!*ptr || *ptr + rdlen > end)
- {
- *ptr = NULL;
- return(0);
- }
- else
- {
- char *rd = *ptr;
- *ptr += rdlen;
- return rd;
- }
- }
+{
+ 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);
- }
+{
+ 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