pr_getpeerucredinject getpeerucred library call into victim process

Process Control Library (libproc, -lproc)

#include <libproc.h>

pr_getpeerucred(struct ps_prochandle *P, int fd, ucred_t **ucp);

The () function injects the getpeerucred(3C) library call into the target process P by means of the agent LWP. If the process handle P is NULL then this is equivalent to calling getpeerucred(3C) on the currently running process.

The arguments fd and *ucp have the same meaning as in getpeerucred(3C). See getpeerucred(3C) for the full description and purpose of the library call and its arguments.

The () function only works on active processes. Process handles that correspond to core files, zombie processes, or ELF objects do not support library call injection.

Upon successful completion, the pr_getpeerucred() function's return value is that described in getpeerucred(3C). Otherwise, is returned and is set to ENOSYS to indicate that the library call could not be injected.

For a full list of possible errors see the ERRORS section in getpeerucred(3C).

The pr_getpeerucred() function will fail if:

An error occurred while trying to invoke the agent LWP and inject a library call in the process handle P or the process handle P does not support library call injection.

See in libproc(3LIB).

getpeerucred(3C), libproc(3LIB), proc(5)

November 27, 2023 OmniOS