PAM_GETENVLIST(3)              Linux-PAM Manual              PAM_GETENVLIST(3)

NAME
       pam_getenvlist - getting the PAM environment

SYNOPSIS
       #include <security/pam_appl.h>

       char **pam_getenvlist(pam_handle_t *pamh);

DESCRIPTION
       The pam_getenvlist function returns a complete copy of the PAM
       environment as associated with the handle pamh. The PAM environment
       variables represent the contents of the regular environment variables
       of the authenticated user when service is granted.

       The format of the memory is a malloc()'d array of char pointers, the
       last element of which is set to NULL. Each of the non-NULL entries in
       this array point to a NUL terminated and malloc()'d char string of the
       form: "name=value".

       It should be noted that this memory will never be free()'d by libpam.
       Once obtained by a call to pam_getenvlist, it is the responsibility of
       the calling application to free() this memory.

       It is by design, and not a coincidence, that the format and contents of
       the returned array matches that required for the third argument of the
       execle(3) function call.

RETURN VALUES
       The pam_getenvlist function returns NULL on failure.

SEE ALSO
       pam_start(3), pam_getenv(3), pam_putenv(3), pam(7)

Linux-PAM Manual                  09/03/2021                 PAM_GETENVLIST(3)

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