On Wed, 22 Jan 2025, Nadav Tasher wrote:
When FEATURE_FORCE_APPLETS is enabled, BB_EXECVP will
fail when trying to execute things that are not busybox
applets. This allows more control over the executed
processes.
...
+int FAST_FUNC BB_EXECVPE(const char *file, char *const argv[], char *const
envp[])
+{
+ clearenv();
+ while (*envp)
+ putenv(*envp++);
+
+ return BB_EXECVP(file, argv);
+}
BB_EXECVPE can return an error and leave the environ of the caller altered,
which is a bit different to execvpe(). Maybe it can be switched around so that
BB_EXECVP() calls BB_EXECVPE() with a null envp.
This patchset is a very interesting feature, by the way.
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