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1 | /* |
1 | /* |
2 | * Copyright (c) 2009 Lukas Mejdrech |
2 | * Copyright (c) 2009 Lukas Mejdrech |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup icmp |
29 | /** @addtogroup icmp |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | 32 | ||
33 | /** @file |
33 | /** @file |
34 | * ICMP client interface implementation. |
34 | * ICMP client interface implementation. |
35 | * @see icmp_client.h |
35 | * @see icmp_client.h |
36 | */ |
36 | */ |
37 | 37 | ||
38 | #include <errno.h> |
38 | #include <errno.h> |
39 | 39 | ||
40 | #include <sys/types.h> |
40 | #include <sys/types.h> |
41 | 41 | ||
42 | #include "../../include/icmp_codes.h" |
42 | #include "../../include/icmp_codes.h" |
43 | #include "../../include/icmp_client.h" |
43 | #include "../../include/icmp_client.h" |
44 | 44 | ||
45 | #include "../../structures/packet/packet.h" |
45 | #include "../../structures/packet/packet.h" |
46 | #include "../../structures/packet/packet_client.h" |
46 | #include "../../structures/packet/packet_client.h" |
47 | 47 | ||
48 | #include "icmp_header.h" |
48 | #include "icmp_header.h" |
49 | 49 | ||
50 | int icmp_client_process_packet( packet_t packet, icmp_type_t * type, icmp_code_t * code, icmp_param_t * pointer, icmp_param_t * mtu ){ |
50 | int icmp_client_process_packet( packet_t packet, icmp_type_t * type, icmp_code_t * code, icmp_param_t * pointer, icmp_param_t * mtu ){ |
51 | icmp_header_ref header; |
51 | icmp_header_ref header; |
52 | 52 | ||
53 | header = ( icmp_header_ref ) packet_get_data( packet ); |
53 | header = ( icmp_header_ref ) packet_get_data( packet ); |
54 | if( ! header ) return ENOMEM; |
54 | if( ! header ) return ENOMEM; |
55 | if( type ) * type = header->type; |
55 | if( type ) * type = header->type; |
56 | if( code ) * code = header->code; |
56 | if( code ) * code = header->code; |
57 | if( pointer ) * pointer = header->un.param.pointer; |
57 | if( pointer ) * pointer = header->un.param.pointer; |
58 | if( mtu ) * mtu = header->un.frag.mtu; |
58 | if( mtu ) * mtu = header->un.frag.mtu; |
59 | return sizeof( icmp_header_t ); |
59 | return sizeof( icmp_header_t ); |
60 | } |
60 | } |
61 | 61 | ||
62 | int icmp_client_header_length( packet_t packet ){ |
62 | int icmp_client_header_length( packet_t packet ){ |
63 | return sizeof( icmp_header_t ); |
63 | return sizeof( icmp_header_t ); |
64 | } |
64 | } |
65 | 65 | ||
66 | /** @} |
66 | /** @} |
67 | */ |
67 | */ |
68 | 68 |