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Userland: Fix broken permissions for files created by /bin/cp.

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When passing O_CREAT to open(), it will grab a third "mode" argument from
the stack. Let's not forget to actually pass this!

Also use the process umask for the created files.
This commit is contained in:
Andreas Kling 2019-03-07 23:23:07 +01:00
parent ca52de8e5c
commit 28a6ba498a
Notes: sideshowbarker 2024-07-19 15:07:51 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/28a6ba498a3
1 changed files with 5 additions and 3 deletions
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8
Userland/cp.cpp
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@ -34,7 +34,7 @@ int main(int argc, char** argv)
return 1;
}
int dst_fd = open(dst_path.characters(), O_WRONLY | O_CREAT);
int dst_fd = open(dst_path.characters(), O_WRONLY | O_CREAT, 0666);
if (dst_fd < 0) {
if (errno != EISDIR) {
perror("open dst");
@ -45,7 +45,7 @@ int main(int argc, char** argv)
builder.append('/');
builder.append(FileSystemPath(src_path).basename());
dst_path = builder.to_string();
dst_fd = open(dst_path.characters(), O_WRONLY | O_CREAT);
dst_fd = open(dst_path.characters(), O_WRONLY | O_CREAT, 0666);
if (dst_fd < 0) {
perror("open dst");
return 1;
@ -75,7 +75,9 @@ int main(int argc, char** argv)
}
}
rc = fchmod(dst_fd, src_stat.st_mode);
auto my_umask = umask(0);
umask(my_umask);
rc = fchmod(dst_fd, src_stat.st_mode & ~my_umask);
if (rc < 0) {
perror("fchmod dst");
return 1;