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author | Yaroslav Yamshchikov <y.yamshchiko@samsung.com> | 2019-07-18 13:14:14 +0300 |
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committer | 이형주/Common Platform Lab(SR)/Staff Engineer/삼성전자 <leee.lee@samsung.com> | 2019-08-13 07:57:25 +0900 |
commit | 55078665651add8d6a82920ed3ab629e7b25354c (patch) | |
tree | 98a8a5b4a5db5885aeb51886f02657c8178c1e1a | |
parent | 99b5e3e045eebe1768669d4991e2dc228b88dd6d (diff) | |
download | coreclr-55078665651add8d6a82920ed3ab629e7b25354c.tar.gz coreclr-55078665651add8d6a82920ed3ab629e7b25354c.tar.bz2 coreclr-55078665651add8d6a82920ed3ab629e7b25354c.zip |
add access(2) call before dlopening files
-rw-r--r-- | src/pal/src/loader/module.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/pal/src/loader/module.cpp b/src/pal/src/loader/module.cpp index dc4c8babf0..c817ffe2db 100644 --- a/src/pal/src/loader/module.cpp +++ b/src/pal/src/loader/module.cpp @@ -1428,6 +1428,15 @@ static NATIVE_LIBRARY_HANDLE LOADLoadLibraryDirect(LPCSTR libraryNameOrPath) _ASSERTE(libraryNameOrPath != nullptr); _ASSERTE(libraryNameOrPath[0] != '\0'); + if (strchr(libraryNameOrPath, '/') != nullptr) + { + if (access(libraryNameOrPath, F_OK) == -1) + { + SetLastError(ERROR_MOD_NOT_FOUND); + return (NATIVE_LIBRARY_HANDLE)nullptr; + } + } + NATIVE_LIBRARY_HANDLE dl_handle = dlopen(libraryNameOrPath, RTLD_LAZY); if (dl_handle == nullptr) { |