From 889c8ccde1e0ebca799c0eb8d796ff1062d8d54c Mon Sep 17 00:00:00 2001 From: "/C=DE/ST=Berlin/L=Berlin/O=Netfilter Project/OU=Development/CN=laforge/emailAddress=laforge@netfilter.org" Date: Sun, 9 Oct 2005 15:34:09 +0000 Subject: hopefully the last renaming effort --- _log/src/libnfnetlink_log.c | 323 -------------------------------------------- 1 file changed, 323 deletions(-) delete mode 100644 _log/src/libnfnetlink_log.c (limited to '_log/src/libnfnetlink_log.c') diff --git a/_log/src/libnfnetlink_log.c b/_log/src/libnfnetlink_log.c deleted file mode 100644 index ee27156..0000000 --- a/_log/src/libnfnetlink_log.c +++ /dev/null @@ -1,323 +0,0 @@ -/* libnfqnetlink.c: generic library for access to nf_queue - * - * (C) 2005 by Harald Welte - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation - * - * 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, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -struct nfulnl_handle -{ - struct nfnl_handle nfnlh; - struct nfulnl_g_handle *gh_list; -}; - -struct nfulnl_g_handle -{ - struct nfulnl_g_handle *next; - struct nfulnl_handle *h; - u_int16_t id; - - nfulnl_callback *cb; - void *data; -}; - -int nfulnl_errno; - -/*********************************************************************** - * low level stuff - ***********************************************************************/ - -static void del_gh(struct nfulnl_g_handle *gh) -{ - struct nfulnl_g_handle *cur_gh, *prev_gh = NULL; - - for (cur_gh = gh->h->gh_list; cur_gh; cur_gh = cur_gh->next) { - if (cur_gh == gh) { - if (prev_gh) - prev_gh->next = gh->next; - else - gh->h->gh_list = gh->next; - return; - } - prev_gh = cur_gh; - } -} - -static void add_gh(struct nfulnl_g_handle *gh) -{ - gh->next = gh->h->gh_list; - gh->h->gh_list = gh; -} - -static struct nfulnl_g_handle *find_gh(struct nfulnl_handle *h, u_int16_t group) -{ - struct nfulnl_g_handle *gh; - - for (gh = h->gh_list; gh; gh = gh->next) { - if (gh->id == group) - return gh; - } - return NULL; -} - -static int __nfulnl_rcv_cmd(struct nlmsghdr *nlh, struct nfattr *nfa[], - void *data) -{ - struct nfulnl_handle *h = data; - - /* FIXME: implement this */ - return 0; -} - -/* build a NFULNL_MSG_CONFIG message */ -static int -__build_send_cfg_msg(struct nfulnl_handle *h, u_int8_t command, - u_int16_t queuenum, u_int8_t pf) -{ - char buf[NFNL_HEADER_LEN - +NFA_LENGTH(sizeof(struct nfulnl_msg_config_cmd))]; - struct nfulnl_msg_config_cmd cmd; - struct nlmsghdr *nmh = (struct nlmsghdr *) buf; - - nfnl_fill_hdr(&h->nfnlh, nmh, 0, pf, queuenum, - NFULNL_MSG_CONFIG, NLM_F_REQUEST|NLM_F_ACK); - - cmd.command = command; - nfnl_addattr_l(nmh, sizeof(buf), NFULA_CFG_CMD, &cmd, sizeof(cmd)); - - return nfnl_talk(&h->nfnlh, nmh, 0, 0, NULL, NULL, NULL); -} - -static int __nfulnl_rcv_pkt(struct nlmsghdr *nlh, struct nfattr *nfa[], - void *data) -{ - struct nfgenmsg *nfmsg = NLMSG_DATA(nlh); - struct nfulnl_handle *h = data; - u_int16_t group = ntohs(nfmsg->res_id); - struct nfulnl_g_handle *gh = find_gh(h, group); - - if (!gh) - return -ENODEV; - - if (!gh->cb) - return -ENODEV; - - return gh->cb(gh, nfmsg, nfa, gh->data); -} - -static struct nfnl_callback cmd_cb = { - .call = &__nfulnl_rcv_cmd, - .attr_count = NFULA_CFG_MAX, -}; - -static struct nfnl_callback pkt_cb = { - .call = &__nfulnl_rcv_pkt, - .attr_count = NFULA_MAX, -}; - -/* public interface */ - -struct nfnl_handle *nfulnl_nfnlh(struct nfulnl_handle *h) -{ - return &h->nfnlh; -} - -int nfulnl_fd(struct nfulnl_handle *h) -{ - return nfnl_fd(nfulnl_nfnlh(h)); -} - -struct nfulnl_handle *nfulnl_open(void) -{ - struct nfulnl_handle *h; - int err; - - h = malloc(sizeof(*h)); - if (!h) - return NULL; - - memset(h, 0, sizeof(*h)); - - err = nfnl_open(&h->nfnlh, NFNL_SUBSYS_ULOG, NFULNL_MSG_MAX, 0); - if (err < 0) { - nfulnl_errno = err; - goto out_free; - } - - cmd_cb.data = h; - err = nfnl_callback_register(&h->nfnlh, NFULNL_MSG_CONFIG, &cmd_cb); - if (err < 0) { - nfulnl_errno = err; - goto out_close; - } - pkt_cb.data = h; - err = nfnl_callback_register(&h->nfnlh, NFULNL_MSG_PACKET, &pkt_cb); - if (err < 0) { - nfulnl_errno = err; - goto out_close; - } - - return h; -out_close: - nfnl_close(&h->nfnlh); -out_free: - free(h); - return NULL; -} - -int nfulnl_callback_register(struct nfulnl_g_handle *gh, nfulnl_callback *cb, - void *data) -{ - gh->data = data; - gh->cb = cb; - - return 0; -} - -int nfulnl_handle_packet(struct nfulnl_handle *h, char *buf, int len) -{ - return nfnl_handle_packet(&h->nfnlh, buf, len); -} - -int nfulnl_close(struct nfulnl_handle *h) -{ - return nfnl_close(&h->nfnlh); -} - -/* bind nf_queue from a specific protocol family */ -int nfulnl_bind_pf(struct nfulnl_handle *h, u_int16_t pf) -{ - return __build_send_cfg_msg(h, NFULNL_CFG_CMD_PF_BIND, 0, pf); -} - -/* unbind nf_queue from a specific protocol family */ -int nfulnl_unbind_pf(struct nfulnl_handle *h, u_int16_t pf) -{ - return __build_send_cfg_msg(h, NFULNL_CFG_CMD_PF_UNBIND, 0, pf); -} - -/* bind this socket to a specific queue number */ -struct nfulnl_g_handle * -nfulnl_bind_group(struct nfulnl_handle *h, u_int16_t num) -{ - struct nfulnl_g_handle *gh; - - if (find_gh(h, num)) - return NULL; - - gh = malloc(sizeof(*gh)); - if (!gh) - return NULL; - - memset(gh, 0, sizeof(*gh)); - gh->h = h; - gh->id = num; - - if (__build_send_cfg_msg(h, NFULNL_CFG_CMD_BIND, num, 0) < 0) { - free(gh); - return NULL; - } - - add_gh(gh); - return gh; -} - -/* unbind this socket from a specific queue number */ -int nfulnl_unbind_group(struct nfulnl_g_handle *gh) -{ - int ret = __build_send_cfg_msg(gh->h, NFULNL_CFG_CMD_UNBIND, gh->id, 0); - if (ret == 0) { - del_gh(gh); - free(gh); - } - - return ret; -} - -int nfulnl_set_mode(struct nfulnl_g_handle *gh, - u_int8_t mode, u_int32_t range) -{ - char buf[NFNL_HEADER_LEN - +NFA_LENGTH(sizeof(struct nfulnl_msg_config_mode))]; - struct nfulnl_msg_config_mode params; - struct nlmsghdr *nmh = (struct nlmsghdr *) buf; - - nfnl_fill_hdr(&gh->h->nfnlh, nmh, 0, AF_UNSPEC, gh->id, - NFULNL_MSG_CONFIG, NLM_F_REQUEST|NLM_F_ACK); - - params.copy_range = htonl(range); /* copy_range is short */ - params.copy_mode = mode; - nfnl_addattr_l(nmh, sizeof(buf), NFULA_CFG_MODE, ¶ms, - sizeof(params)); - - return nfnl_talk(&gh->h->nfnlh, nmh, 0, 0, NULL, NULL, NULL); -} - -int nfulnl_set_timeout(struct nfulnl_g_handle *gh, u_int32_t timeout) -{ - char buf[NFNL_HEADER_LEN+NFA_LENGTH(sizeof(u_int32_t))]; - struct nlmsghdr *nmh = (struct nlmsghdr *) buf; - - nfnl_fill_hdr(&gh->h->nfnlh, nmh, 0, AF_UNSPEC, gh->id, - NFULNL_MSG_CONFIG, NLM_F_REQUEST|NLM_F_ACK); - - nfnl_addattr32(nmh, sizeof(buf), NFULA_CFG_TIMEOUT, htonl(timeout)); - - return nfnl_talk(&gh->h->nfnlh, nmh, 0, 0, NULL, NULL, NULL); -} - -int nfulnl_set_qthresh(struct nfulnl_g_handle *gh, u_int32_t qthresh) -{ - char buf[NFNL_HEADER_LEN+NFA_LENGTH(sizeof(u_int32_t))]; - struct nlmsghdr *nmh = (struct nlmsghdr *) buf; - - nfnl_fill_hdr(&gh->h->nfnlh, nmh, 0, AF_UNSPEC, gh->id, - NFULNL_MSG_CONFIG, NLM_F_REQUEST|NLM_F_ACK); - - nfnl_addattr32(nmh, sizeof(buf), NFULA_CFG_QTHRESH, htonl(qthresh)); - - return nfnl_talk(&gh->h->nfnlh, nmh, 0, 0, NULL, NULL, NULL); -} - -int nfulnl_set_nlbufsiz(struct nfulnl_g_handle *gh, u_int32_t nlbufsiz) -{ - char buf[NFNL_HEADER_LEN+NFA_LENGTH(sizeof(u_int32_t))]; - struct nlmsghdr *nmh = (struct nlmsghdr *) buf; - int status; - - nfnl_fill_hdr(&gh->h->nfnlh, nmh, 0, AF_UNSPEC, gh->id, - NFULNL_MSG_CONFIG, NLM_F_REQUEST|NLM_F_ACK); - - nfnl_addattr32(nmh, sizeof(buf), NFULA_CFG_NLBUFSIZ, htonl(nlbufsiz)); - - status = nfnl_talk(&gh->h->nfnlh, nmh, 0, 0, NULL, NULL, NULL); - - /* we try to have space for at least 10 messages in the socket buffer */ - if (status >= 0) - nfnl_rcvbufsiz(&gh->h->nfnlh, 10*nlbufsiz); - - return status; -} -- cgit v1.2.3