diff options
Diffstat (limited to 'src/expr/redir.c')
| -rw-r--r-- | src/expr/redir.c | 53 |
1 files changed, 20 insertions, 33 deletions
diff --git a/src/expr/redir.c b/src/expr/redir.c index 477659a..3565d3f 100644 --- a/src/expr/redir.c +++ b/src/expr/redir.c @@ -1,10 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * (C) 2014 by Arturo Borrero Gonzalez <arturo@debian.org> - * - * 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 2 of the License, or - * (at your option) any later version. */ #include <stdio.h> @@ -28,22 +24,20 @@ struct nftnl_expr_redir { static int nftnl_expr_redir_set(struct nftnl_expr *e, uint16_t type, - const void *data, uint32_t data_len) + const void *data, uint32_t data_len, uint32_t byteorder) { struct nftnl_expr_redir *redir = nftnl_expr_data(e); switch (type) { case NFTNL_EXPR_REDIR_REG_PROTO_MIN: - memcpy(&redir->sreg_proto_min, data, sizeof(redir->sreg_proto_min)); + memcpy(&redir->sreg_proto_min, data, data_len); break; case NFTNL_EXPR_REDIR_REG_PROTO_MAX: - memcpy(&redir->sreg_proto_max, data, sizeof(redir->sreg_proto_max)); + memcpy(&redir->sreg_proto_max, data, data_len); break; case NFTNL_EXPR_REDIR_FLAGS: - memcpy(&redir->flags, data, sizeof(redir->flags)); + memcpy(&redir->flags, data, data_len); break; - default: - return -1; } return 0; } @@ -131,26 +125,27 @@ nftnl_expr_redir_parse(struct nftnl_expr *e, struct nlattr *attr) return 0; } -static int nftnl_expr_redir_snprintf_default(char *buf, size_t len, - const struct nftnl_expr *e) +static int +nftnl_expr_redir_snprintf(char *buf, size_t remain, + uint32_t flags, const struct nftnl_expr *e) { - int ret, remain = len, offset = 0; + int ret, offset = 0; struct nftnl_expr_redir *redir = nftnl_expr_data(e); if (nftnl_expr_is_set(e, NFTNL_EXPR_REDIR_REG_PROTO_MIN)) { - ret = snprintf(buf + offset, len, "proto_min reg %u ", + ret = snprintf(buf + offset, remain, "proto_min reg %u ", redir->sreg_proto_min); SNPRINTF_BUFFER_SIZE(ret, remain, offset); } if (nftnl_expr_is_set(e, NFTNL_EXPR_REDIR_REG_PROTO_MAX)) { - ret = snprintf(buf + offset, len, "proto_max reg %u ", + ret = snprintf(buf + offset, remain, "proto_max reg %u ", redir->sreg_proto_max); SNPRINTF_BUFFER_SIZE(ret, remain, offset); } if (nftnl_expr_is_set(e, NFTNL_EXPR_REDIR_FLAGS)) { - ret = snprintf(buf + offset, len, "flags 0x%x ", + ret = snprintf(buf + offset, remain, "flags 0x%x ", redir->flags); SNPRINTF_BUFFER_SIZE(ret, remain, offset); } @@ -158,28 +153,20 @@ static int nftnl_expr_redir_snprintf_default(char *buf, size_t len, return offset; } -static int -nftnl_expr_redir_snprintf(char *buf, size_t len, uint32_t type, - uint32_t flags, const struct nftnl_expr *e) -{ - switch (type) { - case NFTNL_OUTPUT_DEFAULT: - return nftnl_expr_redir_snprintf_default(buf, len, e); - case NFTNL_OUTPUT_XML: - case NFTNL_OUTPUT_JSON: - default: - break; - } - return -1; -} +static struct attr_policy redir_attr_policy[__NFTNL_EXPR_REDIR_MAX] = { + [NFTNL_EXPR_REDIR_REG_PROTO_MIN] = { .maxlen = sizeof(uint32_t) }, + [NFTNL_EXPR_REDIR_REG_PROTO_MAX] = { .maxlen = sizeof(uint32_t) }, + [NFTNL_EXPR_REDIR_FLAGS] = { .maxlen = sizeof(uint32_t) }, +}; struct expr_ops expr_ops_redir = { .name = "redir", .alloc_len = sizeof(struct nftnl_expr_redir), - .max_attr = NFTA_REDIR_MAX, + .nftnl_max_attr = __NFTNL_EXPR_REDIR_MAX - 1, + .attr_policy = redir_attr_policy, .set = nftnl_expr_redir_set, .get = nftnl_expr_redir_get, .parse = nftnl_expr_redir_parse, .build = nftnl_expr_redir_build, - .snprintf = nftnl_expr_redir_snprintf, + .output = nftnl_expr_redir_snprintf, }; |