Reference

call_usermodehelper_keys(9)

start a usermode application

NAME

call_usermodehelper_keys - start a usermode application

SYNOPSIS

int call_usermodehelper_keys(char * path, char ** argv, char ** envp, struct key * session_keyring, int wait);

ARGUMENTS

path

pathname for the application

argv

null-terminated argument list

envp

null-terminated environment list

session_keyring

session keyring for process (NULL for an empty keyring)

wait

wait for the application to finish and return status.

DESCRIPTION

Runs a user-space application. The application is started asynchronously if wait is not set, and runs as a child of keventd. (ie. it runs with full root capabilities).

Must be called from process context. Returns a negative error code if program was not execed successfully, or 0.

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