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util/nvmutil: don't allow symlinks

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Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-13 15:42:00 +00:00
parent c2c483dcbe
commit 8ca953ec79
1 changed files with 4 additions and 3 deletions
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7
util/nvmutil/nvmutil.c
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@@ -226,8 +226,8 @@ typedef char static_assert_off_t_is_32[(sizeof(off_t) >= 4) ? 1 : -1];
#define O_BINARY 0
#endif
#ifndef O_NONBLOCK
#define O_NONBLOCK 0
#ifndef O_NOFOLLOW
#define O_NOFOLLOW 0
#endif
/*
@@ -865,7 +865,8 @@ open_gbe_file(void)
{
struct stat gbe_st;
xopen(&gbe_fd, fname, command[cmd_index].flags | O_BINARY, &gbe_st);
xopen(&gbe_fd, fname,
command[cmd_index].flags | O_BINARY | O_NOFOLLOW, &gbe_st);
gbe_file_size = gbe_st.st_size;