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ipset: move ipset_errcode from src to library to avoid undefined reference
Unresolved symbols found in: /home/users/arekm/tmp/
xtables-addons-1.38-root-arekm/usr/lib64/libipset.so.1.0.0
ipset_errcode
References: http://marc.info/?l=netfilter-devel&m=131435791514602&w=2
This commit is contained in:
Arkadiusz Miskiewicz
committed by
Jan Engelhardt
Jan Engelhardt
parent
6ef91897b2
commit
d509951fcf
200
extensions/ipset-6/libipset/errcode.c
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200
extensions/ipset-6/libipset/errcode.c
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/* Copyright 2007-2010 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <assert.h> /* assert */
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#include <errno.h> /* errno */
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#include <string.h> /* strerror */
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#include <libipset/debug.h> /* D() */
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#include <libipset/data.h> /* ipset_data_get */
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#include <libipset/session.h> /* ipset_err */
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#include <libipset/types.h> /* struct ipset_type */
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#include <libipset/utils.h> /* STRNEQ */
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#include <libipset/errcode.h> /* prototypes */
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#include <libipset/linux_ip_set_bitmap.h> /* bitmap specific errcodes */
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#include <libipset/linux_ip_set_hash.h> /* hash specific errcodes */
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#include <libipset/linux_ip_set_list.h> /* list specific errcodes */
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/* Core kernel error codes */
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static const struct ipset_errcode_table core_errcode_table[] = {
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/* Generic error codes */
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{ ENOENT, 0,
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"The set with the given name does not exist" },
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{ EMSGSIZE, 0,
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"Kernel error received: message could not be created" },
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{ IPSET_ERR_PROTOCOL, 0,
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"Kernel error received: ipset protocol error" },
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/* CREATE specific error codes */
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{ EEXIST, IPSET_CMD_CREATE,
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"Set cannot be created: set with the same name already exists" },
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{ IPSET_ERR_FIND_TYPE, 0,
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"Kernel error received: set type not supported" },
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{ IPSET_ERR_MAX_SETS, 0,
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"Kernel error received: maximal number of sets reached, "
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"cannot create more." },
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{ IPSET_ERR_INVALID_NETMASK, 0,
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"The value of the netmask parameter is invalid" },
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{ IPSET_ERR_INVALID_FAMILY, 0,
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"Protocol family not supported by the set type" },
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/* DESTROY specific error codes */
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{ IPSET_ERR_BUSY, IPSET_CMD_DESTROY,
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"Set cannot be destroyed: it is in use by a kernel component" },
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/* FLUSH specific error codes */
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/* RENAME specific error codes */
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{ IPSET_ERR_EXIST_SETNAME2, IPSET_CMD_RENAME,
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"Set cannot be renamed: a set with the new name already exists" },
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{ IPSET_ERR_REFERENCED, IPSET_CMD_RENAME,
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"Set cannot be renamed: it is in use by another system" },
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/* SWAP specific error codes */
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{ IPSET_ERR_EXIST_SETNAME2, IPSET_CMD_SWAP,
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"Sets cannot be swapped: the second set does not exist" },
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{ IPSET_ERR_TYPE_MISMATCH, IPSET_CMD_SWAP,
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"The sets cannot be swapped: they type does not match" },
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/* LIST/SAVE specific error codes */
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/* Generic (CADT) error codes */
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{ IPSET_ERR_INVALID_CIDR, 0,
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"The value of the CIDR parameter of the IP address is invalid" },
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{ IPSET_ERR_TIMEOUT, 0,
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"Timeout cannot be used: set was created without timeout support" },
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{ IPSET_ERR_IPADDR_IPV4, 0,
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"An IPv4 address is expected, but not received" },
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{ IPSET_ERR_IPADDR_IPV6, 0,
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"An IPv6 address is expected, but not received" },
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/* ADD specific error codes */
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{ IPSET_ERR_EXIST, IPSET_CMD_ADD,
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"Element cannot be added to the set: it's already added" },
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/* DEL specific error codes */
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{ IPSET_ERR_EXIST, IPSET_CMD_DEL,
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"Element cannot be deleted from the set: it's not added" },
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/* TEST specific error codes */
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/* HEADER specific error codes */
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/* TYPE specific error codes */
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{ EEXIST, IPSET_CMD_TYPE,
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"Kernel error received: set type does not supported" },
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/* PROTOCOL specific error codes */
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{ },
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};
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/* Bitmap type-specific error codes */
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static const struct ipset_errcode_table bitmap_errcode_table[] = {
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/* Generic (CADT) error codes */
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{ IPSET_ERR_BITMAP_RANGE, 0,
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"Element is out of the range of the set" },
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{ IPSET_ERR_BITMAP_RANGE_SIZE, IPSET_CMD_CREATE,
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"The range you specified exceeds the size limit of the set type" },
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{ },
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};
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/* Hash type-specific error codes */
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static const struct ipset_errcode_table hash_errcode_table[] = {
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/* Generic (CADT) error codes */
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{ IPSET_ERR_HASH_FULL, 0,
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"Hash is full, cannot add more elements" },
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{ IPSET_ERR_HASH_ELEM, 0,
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"Null-valued element, cannot be stored in a hash type of set" },
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{ IPSET_ERR_INVALID_PROTO, 0,
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"Invalid protocol specified" },
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{ IPSET_ERR_MISSING_PROTO, 0,
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"Protocol missing, but must be specified" },
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{ IPSET_ERR_HASH_RANGE_UNSUPPORTED, 0,
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"Range is not supported in the \"net\" component of the element" },
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{ IPSET_ERR_HASH_RANGE, 0,
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"Invalid range, covers the whole address space" },
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{ },
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};
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/* List type-specific error codes */
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static const struct ipset_errcode_table list_errcode_table[] = {
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/* Generic (CADT) error codes */
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{ IPSET_ERR_NAME, 0,
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"Set to be added/deleted/tested as element does not exist." },
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{ IPSET_ERR_LOOP, 0,
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"Sets with list:set type cannot be added to the set." },
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{ IPSET_ERR_BEFORE, 0,
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"No reference set specified." },
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{ IPSET_ERR_NAMEREF, 0,
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"The set to which you referred with 'before' or 'after' "
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"does not exist." },
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{ IPSET_ERR_LIST_FULL, 0,
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"The set is full, more elements cannot be added." },
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{ IPSET_ERR_REF_EXIST, 0,
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"The set to which you referred with 'before' or 'after' "
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"is not added to the set." },
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{ },
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};
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#define MATCH_TYPENAME(a, b) STRNEQ(a, b, strlen(b))
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/**
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* ipset_errcode - interpret a kernel error code
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* @session: session structure
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* @errcode: errcode
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*
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* Find the error code and print the appropriate
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* error message into the error buffer.
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*
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* Returns -1.
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*/
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int
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ipset_errcode(struct ipset_session *session, enum ipset_cmd cmd, int errcode)
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{
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const struct ipset_errcode_table *table = core_errcode_table;
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int i, generic;
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if (errcode >= IPSET_ERR_TYPE_SPECIFIC) {
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const struct ipset_type *type;
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type = ipset_saved_type(session);
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if (type) {
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if (MATCH_TYPENAME(type->name, "bitmap:"))
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table = bitmap_errcode_table;
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else if (MATCH_TYPENAME(type->name, "hash:"))
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table = hash_errcode_table;
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else if (MATCH_TYPENAME(type->name, "list:"))
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table = list_errcode_table;
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}
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}
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retry:
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for (i = 0, generic = -1; table[i].errcode; i++) {
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if (table[i].errcode == errcode &&
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(table[i].cmd == cmd || table[i].cmd == 0)) {
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if (table[i].cmd == 0) {
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generic = i;
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continue;
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}
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return ipset_err(session, table[i].message);
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}
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}
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if (generic != -1)
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return ipset_err(session, table[generic].message);
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/* Fall back to the core table */
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if (table != core_errcode_table) {
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table = core_errcode_table;
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goto retry;
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}
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if (errcode < IPSET_ERR_PRIVATE)
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return ipset_err(session, "Kernel error received: %s",
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strerror(errcode));
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else
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return ipset_err(session,
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"Undecoded error %u received from kernel",
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errcode);
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}
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