From b67dbadc979cbe86545e2275223483d429b74747 Mon Sep 17 00:00:00 2001 From: Jakub Hrozek Date: Mon, 23 Nov 2009 14:33:55 -0500 Subject: Split helpers for child processes Moves several functions out of providers/krb5 hierarchy into a separate module so it can be shared by the ldap child. --- server/providers/child_common.h | 60 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 server/providers/child_common.h (limited to 'server/providers/child_common.h') diff --git a/server/providers/child_common.h b/server/providers/child_common.h new file mode 100644 index 00000000..75cb3a6f --- /dev/null +++ b/server/providers/child_common.h @@ -0,0 +1,60 @@ +/* + SSSD + + Common helper functions to be used in child processes + + Authors: + Sumit Bose + + Copyright (C) 2009 Red Hat + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +#ifndef __CHILD_COMMON_H__ +#define __CHILD_COMMON_H__ + +#include +#include +#include + +#define IN_BUF_SIZE 512 +#define MAX_CHILD_MSG_SIZE 255 + +struct response { + size_t max_size; + size_t size; + uint8_t *buf; +}; + +uint8_t *copy_buffer_and_add_zero(TALLOC_CTX *mem_ctx, + const uint8_t *src, size_t len); + +/* Async communication with the child process via a pipe */ +struct read_pipe_state; + +struct tevent_req *read_pipe_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, int fd); + +int read_pipe_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx, + uint8_t **buf, ssize_t *len); + +/* The pipes to communicate with the child must be nonblocking */ +void fd_nonblocking(int fd); + +void child_sig_handler(struct tevent_context *ev, + struct tevent_signal *sige, int signum, + int count, void *__siginfo, void *pvt); + +#endif /* __CHILD_COMMON_H__ */ -- cgit