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author | Philipp Tölke <toelke@in.tum.de> | 2010-07-20 08:17:12 +0000 |
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committer | Philipp Tölke <toelke@in.tum.de> | 2010-07-20 08:17:12 +0000 |
commit | a6e1023d634f732e986176fcfa304c65239e0e50 (patch) | |
tree | 17aab068c73fa24aede63d39b4e26f2d24458368 /src/vpn/packet.c | |
parent | 003525498eea3350f03573eb0552de60f745e44f (diff) | |
download | gnunet-a6e1023d634f732e986176fcfa304c65239e0e50.tar.gz gnunet-a6e1023d634f732e986176fcfa304c65239e0e50.zip |
Rename files to fit into the convention
Diffstat (limited to 'src/vpn/packet.c')
-rw-r--r-- | src/vpn/packet.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/src/vpn/packet.c b/src/vpn/packet.c deleted file mode 100644 index deda87216..000000000 --- a/src/vpn/packet.c +++ /dev/null | |||
@@ -1,88 +0,0 @@ | |||
1 | #include <errno.h> | ||
2 | #include <stdlib.h> | ||
3 | #include <string.h> | ||
4 | #include <unistd.h> | ||
5 | #include <sys/uio.h> | ||
6 | |||
7 | #include <linux/if_tun.h> | ||
8 | |||
9 | #include "debug.h" | ||
10 | #include "packet.h" | ||
11 | #include "arpa/inet.h" | ||
12 | |||
13 | short payload(struct ip6_hdr* hdr) {{{ | ||
14 | return ntohs(hdr->paylgth); | ||
15 | }}} | ||
16 | |||
17 | void send_pkt(int fd, struct ip6_pkt* pkt) {{{ | ||
18 | int sz = payload(&(pkt->hdr)); | ||
19 | int w = 0; | ||
20 | char* buf = (char*)pkt; | ||
21 | |||
22 | w = 0; | ||
23 | while ( w > 0) { | ||
24 | int t = write(fd, buf+w, (sz + 40) - w); | ||
25 | if (t < 0) | ||
26 | debug(1, 0, "packet: write : %s\n", strerror(errno)); | ||
27 | else | ||
28 | w+=t; | ||
29 | } | ||
30 | |||
31 | free(buf); | ||
32 | }}} | ||
33 | |||
34 | int recv_pkt(int fd, struct pkt_tun** pkt) {{{ | ||
35 | int size = 1504; | ||
36 | unsigned char data[size]; | ||
37 | |||
38 | debug(1, 0, "beginning to read...\n"); | ||
39 | |||
40 | int r = read(fd, data, size); | ||
41 | debug(1, 0, "read %d bytes\n", r); | ||
42 | |||
43 | *pkt = (struct pkt_tun*)malloc(r); | ||
44 | |||
45 | memcpy(*pkt, data, r); | ||
46 | struct pkt_tun *_pkt = *pkt; | ||
47 | |||
48 | debug(1, 0, "read the flags: %04x\n", ntohs(_pkt->flags)); | ||
49 | debug(1, 0, "read the type: %04x\n", ntohs(_pkt->type)); | ||
50 | |||
51 | switch(ntohs(_pkt->type)) { | ||
52 | case 0x86dd: | ||
53 | debug(1, 0, "reading an ipv6-packet\n"); | ||
54 | struct ip6_pkt * pkt6 = (struct ip6_pkt*) *pkt; | ||
55 | size = payload(&(pkt6->hdr)); | ||
56 | // TODO: size might be greater than r! | ||
57 | debug(1, 0, "read the size: %d\n", size); | ||
58 | return size; | ||
59 | break; | ||
60 | case 0x0800: | ||
61 | debug(1, 0, "unknown pkt-type: IPv4\n"); | ||
62 | //IPv4 TODO | ||
63 | break; | ||
64 | default: | ||
65 | debug(1, 0, "unknown pkt-type: 0x%02x\n", 0x800); | ||
66 | //Whatever TODO | ||
67 | break; | ||
68 | } | ||
69 | return -1; | ||
70 | }}} | ||
71 | |||
72 | struct ip6_pkt* parse_ip6(struct pkt_tun* pkt) {{{ | ||
73 | struct ip6_pkt* pkt6 = (struct ip6_pkt*)pkt; | ||
74 | |||
75 | return pkt6; | ||
76 | }}} | ||
77 | |||
78 | struct ip6_tcp* parse_ip6_tcp(struct ip6_pkt* pkt) {{{ | ||
79 | struct ip6_tcp* res = (struct ip6_tcp*) pkt; | ||
80 | |||
81 | return res; | ||
82 | }}} | ||
83 | |||
84 | struct ip6_udp* parse_ip6_udp(struct ip6_pkt* pkt) {{{ | ||
85 | struct ip6_udp* res = (struct ip6_udp*) pkt; | ||
86 | |||
87 | return res; | ||
88 | }}} | ||