diff options
Diffstat (limited to 'extensions/libipt_set.h')
-rw-r--r-- | extensions/libipt_set.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/extensions/libipt_set.h b/extensions/libipt_set.h deleted file mode 100644 index 0e9b0b54..00000000 --- a/extensions/libipt_set.h +++ /dev/null @@ -1,119 +0,0 @@ -#ifndef _LIBIPT_SET_H -#define _LIBIPT_SET_H - -#include <unistd.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <errno.h> - -#ifdef DEBUG -#define DEBUGP(x, args...) fprintf(stderr, x, ## args) -#else -#define DEBUGP(x, args...) -#endif - -static void -parse_bindings(const char *opt_arg, struct ipt_set_info *info) -{ - char *saved = strdup(opt_arg); - char *ptr, *tmp = saved; - int i = 0; - - while (i < (IP_SET_MAX_BINDINGS - 1) && tmp != NULL) { - ptr = strsep(&tmp, ","); - if (strncmp(ptr, "src", 3) == 0) - info->flags[i++] |= IPSET_SRC; - else if (strncmp(ptr, "dst", 3) == 0) - info->flags[i++] |= IPSET_DST; - else - xtables_error(PARAMETER_PROBLEM, - "You must spefify (the comma separated list of) 'src' or 'dst'."); - } - - if (tmp) - xtables_error(PARAMETER_PROBLEM, - "Can't follow bindings deeper than %i.", - IP_SET_MAX_BINDINGS - 1); - - free(saved); -} - -static int get_version(unsigned *version) -{ - int res, sockfd = socket(AF_INET, SOCK_RAW, IPPROTO_RAW); - struct ip_set_req_version req_version; - socklen_t size = sizeof(req_version); - - if (sockfd < 0) - xtables_error(OTHER_PROBLEM, - "Can't open socket to ipset.\n"); - - req_version.op = IP_SET_OP_VERSION; - res = getsockopt(sockfd, SOL_IP, SO_IP_SET, &req_version, &size); - if (res != 0) - xtables_error(OTHER_PROBLEM, - "Kernel module ip_set is not loaded in.\n"); - - *version = req_version.version; - - return sockfd; -} - -static void get_set_byname(const char *setname, struct ipt_set_info *info) -{ - struct ip_set_req_get_set req; - socklen_t size = sizeof(struct ip_set_req_get_set); - int res, sockfd; - - sockfd = get_version(&req.version); - req.op = IP_SET_OP_GET_BYNAME; - strncpy(req.set.name, setname, IP_SET_MAXNAMELEN); - req.set.name[IP_SET_MAXNAMELEN - 1] = '\0'; - res = getsockopt(sockfd, SOL_IP, SO_IP_SET, &req, &size); - close(sockfd); - - if (res != 0) - xtables_error(OTHER_PROBLEM, - "Problem when communicating with ipset, errno=%d.\n", - errno); - if (size != sizeof(struct ip_set_req_get_set)) - xtables_error(OTHER_PROBLEM, - "Incorrect return size from kernel during ipset lookup, " - "(want %zu, got %zu)\n", - sizeof(struct ip_set_req_get_set), (size_t)size); - if (req.set.index == IP_SET_INVALID_ID) - xtables_error(PARAMETER_PROBLEM, - "Set %s doesn't exist.\n", setname); - - info->index = req.set.index; -} - -static void get_set_byid(char * setname, ip_set_id_t idx) -{ - struct ip_set_req_get_set req; - socklen_t size = sizeof(struct ip_set_req_get_set); - int res, sockfd; - - sockfd = get_version(&req.version); - req.op = IP_SET_OP_GET_BYINDEX; - req.set.index = idx; - res = getsockopt(sockfd, SOL_IP, SO_IP_SET, &req, &size); - close(sockfd); - - if (res != 0) - xtables_error(OTHER_PROBLEM, - "Problem when communicating with ipset, errno=%d.\n", - errno); - if (size != sizeof(struct ip_set_req_get_set)) - xtables_error(OTHER_PROBLEM, - "Incorrect return size from kernel during ipset lookup, " - "(want %zu, got %zu)\n", - sizeof(struct ip_set_req_get_set), (size_t)size); - if (req.set.name[0] == '\0') - xtables_error(PARAMETER_PROBLEM, - "Set id %i in kernel doesn't exist.\n", idx); - - strncpy(setname, req.set.name, IP_SET_MAXNAMELEN); -} - -#endif /*_LIBIPT_SET_H*/ |