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PhotoRec: fix file_rsearch() function to avoid a false positive.

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Thanks to Adel KHALDI from Blue Frost Security GmbH for asking how this function was working.
This commit is contained in:
Christophe Grenier 2017-07-14 16:33:39 +02:00
parent 0f97d72be8
commit 3b482239db
2 changed files with 2 additions and 2 deletions
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2
configure.ac
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@ -6,7 +6,7 @@ AC_INIT([testdisk],[7.1-WIP],[grenier@cgsecurity.org])
AC_LANG(C) AC_LANG(C)
sinclude(acx_pthread.m4) sinclude(acx_pthread.m4)
sinclude(mkdir.m4) sinclude(mkdir.m4)
TESTDISKDATE="May 2017" TESTDISKDATE="July 2017"
AC_SUBST(TESTDISKDATE) AC_SUBST(TESTDISKDATE)
AC_DEFINE_UNQUOTED([TESTDISKDATE],"$TESTDISKDATE",[Date of release]) AC_DEFINE_UNQUOTED([TESTDISKDATE],"$TESTDISKDATE",[Date of release])
AC_CONFIG_AUX_DIR(config) AC_CONFIG_AUX_DIR(config)

2
src/filegen.c
View file

@ -220,7 +220,7 @@ uint64_t file_rsearch(FILE *handle, uint64_t offset, const void*footer, const un
return offset + i; return offset + i;
} }
} }
memcpy(buffer+read_size,buffer,footer_length-1); memcpy(buffer+4096,buffer,footer_length-1);
} while(offset>0); } while(offset>0);
free(buffer); free(buffer);
return 0; return 0;