diff options
Diffstat (limited to 'security/nss/cmd/shlibsign/mangle')
| -rw-r--r-- | security/nss/cmd/shlibsign/mangle/Makefile | 65 | ||||
| -rw-r--r-- | security/nss/cmd/shlibsign/mangle/mangle.c | 140 | ||||
| -rw-r--r-- | security/nss/cmd/shlibsign/mangle/mangle.gyp | 31 | ||||
| -rw-r--r-- | security/nss/cmd/shlibsign/mangle/manifest.mn | 24 |
4 files changed, 260 insertions, 0 deletions
diff --git a/security/nss/cmd/shlibsign/mangle/Makefile b/security/nss/cmd/shlibsign/mangle/Makefile new file mode 100644 index 000000000..b52243e01 --- /dev/null +++ b/security/nss/cmd/shlibsign/mangle/Makefile @@ -0,0 +1,65 @@ +#! gmake +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + +####################################################################### +# (1) Include initial platform-independent assignments (MANDATORY). # +####################################################################### + +include manifest.mn + +####################################################################### +# (2) Include "global" configuration information. (OPTIONAL) # +####################################################################### + +include $(CORE_DEPTH)/coreconf/config.mk + +####################################################################### +# (3) Include "component" configuration information. (OPTIONAL) # +####################################################################### + +####################################################################### +# (4) Include "local" platform-dependent assignments (OPTIONAL). # +####################################################################### + +ifeq ($(OS_ARCH), WINNT) + +EXTRA_LIBS += \ + $(NSPR_LIB_DIR)/$(NSPR31_LIB_PREFIX)plc4.$(LIB_SUFFIX) \ + $(NSPR_LIB_DIR)/$(NSPR31_LIB_PREFIX)plds4.$(LIB_SUFFIX) \ + $(NSPR_LIB_DIR)/$(NSPR31_LIB_PREFIX)nspr4.$(LIB_SUFFIX) \ + $(NULL) + +else + +EXTRA_SHARED_LIBS += \ + -L$(NSPR_LIB_DIR) \ + -lplc4 \ + -lplds4 \ + -lnspr4 \ + $(NULL) + +endif + + + +####################################################################### +# (5) Execute "global" rules. (OPTIONAL) # +####################################################################### + +include $(CORE_DEPTH)/coreconf/rules.mk + +####################################################################### +# (6) Execute "component" rules. (OPTIONAL) # +####################################################################### + + +####################################################################### +# (7) Execute "local" rules. (OPTIONAL). # +####################################################################### + + +include ../../platrules.mk + diff --git a/security/nss/cmd/shlibsign/mangle/mangle.c b/security/nss/cmd/shlibsign/mangle/mangle.c new file mode 100644 index 000000000..e58bbee41 --- /dev/null +++ b/security/nss/cmd/shlibsign/mangle/mangle.c @@ -0,0 +1,140 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * Test program to mangle 1 bit in a binary + */ + +#include "nspr.h" +#include "plstr.h" +#include "plgetopt.h" +#include "prio.h" + +static PRFileDesc *pr_stderr; +static void +usage(char *program_name) +{ + + PR_fprintf(pr_stderr, "Usage:"); + PR_fprintf(pr_stderr, "%s -i shared_library_name -o byte_offset -b bit\n", program_name); +} + +int +main(int argc, char **argv) +{ + /* buffers and locals */ + PLOptState *optstate; + char *programName; + char cbuf; + + /* parameter set variables */ + const char *libFile = NULL; + int bitOffset = -1; + + /* return values */ + int retval = 2; /* 0 - test succeeded. + * 1 - illegal args + * 2 - function failed */ + PRFileDesc *fd = NULL; + int bytesRead; + int bytesWritten; + PROffset32 offset = -1; + PROffset32 pos; + + programName = PL_strrchr(argv[0], '/'); + programName = programName ? (programName + 1) : argv[0]; + + pr_stderr = PR_STDERR; + + optstate = PL_CreateOptState(argc, argv, "i:o:b:"); + if (optstate == NULL) { + return 1; + } + + while (PL_GetNextOpt(optstate) == PL_OPT_OK) { + switch (optstate->option) { + case 'i': + libFile = optstate->value; + break; + + case 'o': + offset = atoi(optstate->value); + break; + + case 'b': + bitOffset = atoi(optstate->value); + break; + } + } + + if (libFile == NULL) { + usage(programName); + return 1; + } + if ((bitOffset >= 8) || (bitOffset < 0)) { + usage(programName); + return 1; + } + + /* open the target signature file */ + fd = PR_OpenFile(libFile, PR_RDWR, 0666); + if (fd == NULL) { + /* lperror(libFile); */ + PR_fprintf(pr_stderr, "Couldn't Open %s\n", libFile); + goto loser; + } + + if (offset < 0) { /* convert to positive offset */ + pos = PR_Seek(fd, offset, PR_SEEK_END); + if (pos == -1) { + PR_fprintf(pr_stderr, "Seek for read on %s (to %d) failed\n", + libFile, offset); + goto loser; + } + offset = pos; + } + + /* read the byte */ + pos = PR_Seek(fd, offset, PR_SEEK_SET); + if (pos != offset) { + PR_fprintf(pr_stderr, "Seek for read on %s (to %d) failed\n", + libFile, offset); + goto loser; + } + bytesRead = PR_Read(fd, &cbuf, 1); + if (bytesRead != 1) { + PR_fprintf(pr_stderr, "Read on %s (to %d) failed\n", libFile, offset); + goto loser; + } + + PR_fprintf(pr_stderr, "Changing byte 0x%08x (%d): from %02x (%d) to ", + offset, offset, (unsigned char)cbuf, (unsigned char)cbuf); + /* change it */ + cbuf ^= 1 << bitOffset; + PR_fprintf(pr_stderr, "%02x (%d)\n", + (unsigned char)cbuf, (unsigned char)cbuf); + + /* write it back out */ + pos = PR_Seek(fd, offset, PR_SEEK_SET); + if (pos != offset) { + PR_fprintf(pr_stderr, "Seek for write on %s (to %d) failed\n", + libFile, offset); + goto loser; + } + bytesWritten = PR_Write(fd, &cbuf, 1); + if (bytesWritten != 1) { + PR_fprintf(pr_stderr, "Write on %s (to %d) failed\n", libFile, offset); + goto loser; + } + + retval = 0; + +loser: + if (fd) + PR_Close(fd); + PR_Cleanup(); + return retval; +} + +/*#DEFINES += -DSHLIB_SUFFIX=\"$(DLL_SUFFIX)\" -DSHLIB_PREFIX=\"$(DLL_PREFIX)\" */ diff --git a/security/nss/cmd/shlibsign/mangle/mangle.gyp b/security/nss/cmd/shlibsign/mangle/mangle.gyp new file mode 100644 index 000000000..1dd5c10d7 --- /dev/null +++ b/security/nss/cmd/shlibsign/mangle/mangle.gyp @@ -0,0 +1,31 @@ +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. +{ + 'includes': [ + '../../../coreconf/config.gypi', + '../../../cmd/platlibs.gypi' + ], + 'targets': [ + { + 'target_name': 'mangle', + 'type': 'executable', + 'sources': [ + 'mangle.c' + ], + 'dependencies': [ + '<(DEPTH)/exports.gyp:nss_exports' + ] + } + ], + 'target_defaults': { + 'defines': [ + 'SHLIB_SUFFIX=\"<(dll_suffix)\"', + 'SHLIB_PREFIX=\"<(dll_prefix)\"' + ] + }, + 'variables': { + 'module': 'nss', + 'use_static_libs': 1 + } +}
\ No newline at end of file diff --git a/security/nss/cmd/shlibsign/mangle/manifest.mn b/security/nss/cmd/shlibsign/mangle/manifest.mn new file mode 100644 index 000000000..40b4841cb --- /dev/null +++ b/security/nss/cmd/shlibsign/mangle/manifest.mn @@ -0,0 +1,24 @@ +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + +CORE_DEPTH = ../../.. + +# MODULE public and private header directories are implicitly REQUIRED. +MODULE = nss + +DEFINES += -DSHLIB_SUFFIX=\"$(DLL_SUFFIX)\" -DSHLIB_PREFIX=\"$(DLL_PREFIX)\" + +CSRCS = \ + mangle.c \ + $(NULL) + + +# headers for the MODULE (defined above) are implicitly required. +REQUIRES = + +PROGRAM = mangle + +USE_STATIC_LIBS = 1 + |