| From 7f1fd10cfebd5ea2f3e1938abe1bd1c4828164a7 Mon Sep 17 00:00:00 2001 |
| From: Fabio Berton <fabio.berton@ossystems.com.br> |
| Date: Fri, 9 Sep 2016 16:00:42 -0300 |
| Subject: [PATCH] handle read-only files |
| |
| Patch from: |
| https://github.com/darealshinji/patchelf/commit/40e66392bc4b96e9b4eda496827d26348a503509 |
| |
| Upstream-Status: Denied [https://github.com/NixOS/patchelf/pull/89] |
| |
| Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br> |
| |
| --- |
| src/patchelf.cc | 16 +++++++++++++++- |
| 1 file changed, 15 insertions(+), 1 deletion(-) |
| |
| diff --git a/src/patchelf.cc b/src/patchelf.cc |
| index 0b4965adff83..b5db2aef0e8a 100644 |
| --- a/src/patchelf.cc |
| +++ b/src/patchelf.cc |
| @@ -497,7 +497,17 @@ void ElfFile<ElfFileParamNames>::sortShdrs() |
| |
| static void writeFile(std::string fileName, FileContents contents) |
| { |
| - int fd = open(fileName.c_str(), O_TRUNC | O_WRONLY); |
| + struct stat st; |
| + int fd; |
| + |
| + if (stat(fileName.c_str(), &st) != 0) |
| + error("stat"); |
| + |
| + if (chmod(fileName.c_str(), 0600) != 0) |
| + error("chmod"); |
| + |
| + fd = open(fileName.c_str(), O_TRUNC | O_WRONLY); |
| + |
| if (fd == -1) |
| error("open"); |
| |
| @@ -511,6 +521,10 @@ static void writeFile(std::string fileName, FileContents contents) |
| |
| if (close(fd) != 0) |
| error("close"); |
| + |
| + if (chmod(fileName.c_str(), st.st_mode) != 0) |
| + error("chmod"); |
| + |
| } |
| |
| |