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author | Yaroslav Yamshchikov <y.yamshchiko@samsung.com> | 2019-07-18 13:14:14 +0300 |
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committer | Konstantin Baladurin <k.baladurin@samsung.com> | 2019-09-26 00:24:34 +0300 |
commit | 1a40f520978dc857fc54cc2b4e03b1b4ccb6ae82 (patch) | |
tree | e30699c584d863bdfa517f4855285a49b88aab37 | |
parent | 04a84fd4a6375ab6e4e80912a9c66de0e518c9b8 (diff) | |
download | coreclr-1a40f520978dc857fc54cc2b4e03b1b4ccb6ae82.tar.gz coreclr-1a40f520978dc857fc54cc2b4e03b1b4ccb6ae82.tar.bz2 coreclr-1a40f520978dc857fc54cc2b4e03b1b4ccb6ae82.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) { |