зеркало из https://github.com/mozilla/gecko-dev.git
Add program which will mangle exactly 1 bit in a file.
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#! gmake
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#
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# The contents of this file are subject to the Mozilla Public
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# License Version 1.1 (the "License"); you may not use this file
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# except in compliance with the License. You may obtain a copy of
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# the License at http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS
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# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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# implied. See the License for the specific language governing
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# rights and limitations under the License.
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#
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# The Original Code is the Netscape security libraries.
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#
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# The Initial Developer of the Original Code is Netscape
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# Communications Corporation. Portions created by Netscape are
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# Copyright (C) 1994-2000 Netscape Communications Corporation. All
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# Rights Reserved.
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#
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# Contributor(s):
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#
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# Alternatively, the contents of this file may be used under the
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# terms of the GNU General Public License Version 2 or later (the
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# "GPL"), in which case the provisions of the GPL are applicable
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# instead of those above. If you wish to allow use of your
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# version of this file only under the terms of the GPL and not to
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# allow others to use your version of this file under the MPL,
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# indicate your decision by deleting the provisions above and
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# replace them with the notice and other provisions required by
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# the GPL. If you do not delete the provisions above, a recipient
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# may use your version of this file under either the MPL or the
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# GPL.
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#
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#######################################################################
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# (1) Include initial platform-independent assignments (MANDATORY). #
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#######################################################################
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include manifest.mn
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#######################################################################
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# (2) Include "global" configuration information. (OPTIONAL) #
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#######################################################################
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include $(CORE_DEPTH)/coreconf/config.mk
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#######################################################################
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# (3) Include "component" configuration information. (OPTIONAL) #
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#######################################################################
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#######################################################################
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# (4) Include "local" platform-dependent assignments (OPTIONAL). #
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#######################################################################
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include ../../platlibs.mk
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#######################################################################
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# (5) Execute "global" rules. (OPTIONAL) #
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#######################################################################
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include $(CORE_DEPTH)/coreconf/rules.mk
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#######################################################################
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# (6) Execute "component" rules. (OPTIONAL) #
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#######################################################################
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#######################################################################
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# (7) Execute "local" rules. (OPTIONAL). #
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#######################################################################
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include ../../platrules.mk
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1994-2003 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*/
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/*
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* Test program to mangle 1 bit in a binary
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*
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* $Id: mangle.c,v 1.1 2003/02/04 23:16:56 relyea%netscape.com Exp $
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*/
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#include "nspr.h"
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#include "plstr.h"
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#include "plgetopt.h"
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#include "prio.h"
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static void
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usage (char *program_name)
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{
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PRFileDesc *pr_stderr;
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pr_stderr = PR_STDERR;
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PR_fprintf (pr_stderr, "Usage:");
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PR_fprintf (pr_stderr, "%s -i shared_library_name -o byte_offset -b bit\n", program_name);
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}
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#ifdef notdef
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static char *
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mkoutput(const char *input)
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{
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int in_len = PORT_Strlen(input);
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char *output = PORT_Alloc(in_len+sizeof(SGN_SUFFIX));
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int index = in_len + 1 - sizeof("."SHLIB_SUFFIX);
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if ((index > 0) &&
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(PORT_Strncmp(&input[index],
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"."SHLIB_SUFFIX,sizeof("."SHLIB_SUFFIX)) == 0)) {
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in_len = index;
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}
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PORT_Memcpy(output,input,in_len);
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PORT_Memcpy(&output[in_len],SGN_SUFFIX,sizeof(SGN_SUFFIX));
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return output;
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}
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static void
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lperror(const char *string)
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{
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int errNum = PORT_GetError();
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const char *error = SECU_Strerror(errNum);
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fprintf(stderr,"%s: %s\n",string, error);
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}
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#endif
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int
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main (int argc, char **argv)
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{
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/* buffers and locals */
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PLOptState *optstate;
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char *programName;
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char cbuf;
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/* parameter set variables */
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const char *libFile = NULL;
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int offset = -1;
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int bitOffset = -1;
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/* return values */
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int retval = -1; /* 0 - test succeeded. -1 - test failed */
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PRFileDesc *fd;
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int bytesRead;
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int bytesWritten;
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int pos;
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programName = PL_strrchr(argv[0], '/');
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programName = programName ? (programName + 1) : argv[0];
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optstate = PL_CreateOptState (argc, argv, "i:o:b:");
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if (optstate == NULL) {
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SECU_PrintError (programName, "PL_CreateOptState failed");
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return -1;
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}
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while (PL_GetNextOpt (optstate) == PL_OPT_OK) {
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switch (optstate->option) {
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case 'i':
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libFile = optstate->value;
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break;
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case 'o':
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offset = atoi(optstate->value);
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break;
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case 'b':
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bitOffset = atoi(optstate->value);
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break;
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}
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}
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if (libFile == NULL) {
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usage(programName);
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return -1;
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}
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if ((bitOffset >= 8) || (bitOffset < 0)) {
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usage(programName);
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return -1;
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}
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if (offset < 0) {
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usage(programName);
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return -1;
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}
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/* open the target signature file */
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fd = PR_OpenFile(libFile,PR_RDWR,0666);
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if (fd == NULL ) {
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/* lperror(libFile); */
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goto loser;
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}
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/* read the byte */
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pos = PR_Seek(fd,offset, PR_SEEK_SET);
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if (pos != offset) {
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goto loser;
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}
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bytesRead = PR_Read(fd, &cbuf, 1);
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if (bytesRead != 1) {
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goto loser;
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}
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/* change it */
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cbuf ^= 1 << bitOffset;
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/* write it back out */
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pos = PR_Seek(fd, offset, PR_SEEK_SET);
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if (pos != offset) {
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goto loser;
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}
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bytesWritten = PR_Write(fd, &cbuf, 1);
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if (bytesWritten != 1) {
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goto loser;
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}
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PR_Close(fd);
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retval = 0;
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loser:
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PR_Cleanup ();
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return retval;
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}
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/*#DEFINES += -DSHLIB_SUFFIX=\"$(DLL_SUFFIX)\" -DSHLIB_PREFIX=\"$(DLL_PREFIX)\" */
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@ -0,0 +1,50 @@
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#
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# The contents of this file are subject to the Mozilla Public
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# License Version 1.1 (the "License"); you may not use this file
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# except in compliance with the License. You may obtain a copy of
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# the License at http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS
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# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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# implied. See the License for the specific language governing
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# rights and limitations under the License.
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#
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# The Original Code is the Netscape security libraries.
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#
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# The Initial Developer of the Original Code is Netscape
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# Communications Corporation. Portions created by Netscape are
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# Copyright (C) 1994-2000 Netscape Communications Corporation. All
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# Rights Reserved.
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#
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# Contributor(s):
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#
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# Alternatively, the contents of this file may be used under the
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# terms of the GNU General Public License Version 2 or later (the
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# "GPL"), in which case the provisions of the GPL are applicable
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# instead of those above. If you wish to allow use of your
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# version of this file only under the terms of the GPL and not to
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# allow others to use your version of this file under the MPL,
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# indicate your decision by deleting the provisions above and
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# replace them with the notice and other provisions required by
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# the GPL. If you do not delete the provisions above, a recipient
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# may use your version of this file under either the MPL or the
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# GPL.
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#
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CORE_DEPTH = ../../../..
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# MODULE public and private header directories are implicitly REQUIRED.
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MODULE = nss
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DEFINES += -DSHLIB_SUFFIX=\"$(DLL_SUFFIX)\" -DSHLIB_PREFIX=\"$(DLL_PREFIX)\"
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CSRCS = \
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mangle.c \
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$(NULL)
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# headers for the MODULE (defined above) are implicitly required.
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REQUIRES =
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PROGRAM = mangle
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