version 1.1.1.1.2.13, 2011/10/14 13:23:49
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version 1.1.1.1.2.14, 2011/10/17 09:28:19
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Line 287 icmpSend(int s, u_int seq, u_short id, char flg, u_int
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Line 287 icmpSend(int s, u_int seq, u_short id, char flg, u_int
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static int |
static int |
_pkt_Send(int s, u_int seq, char flg, u_int crypted, u_char *data, int datlen, struct io_ether_addr *ea) |
_pkt_Send(int s, u_int seq, char flg, u_int crypted, u_char *data, int datlen, struct io_ether_addr *ea) |
{ |
{ |
u_char *pos, buf[USHRT_MAX] = { 0 }; | u_char *pos, *str, buf[USHRT_MAX] = { 0 }; |
struct ether_header *e = (struct ether_header*) buf; |
struct ether_header *e = (struct ether_header*) buf; |
struct ansh_hdr *hdr; |
struct ansh_hdr *hdr; |
int ret = 0; |
int ret = 0; |
Line 303 _pkt_Send(int s, u_int seq, char flg, u_int crypted, u
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Line 303 _pkt_Send(int s, u_int seq, char flg, u_int crypted, u
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memcpy(pos, data, datlen); |
memcpy(pos, data, datlen); |
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if (Crypted) { |
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str = cryptBuffer(pos, datlen, Crypted); |
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if (str) { |
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memcpy(pos, str, datlen); |
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free(str); |
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} |
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} |
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hdr->ansh_ver = ANSH_VERSION; |
hdr->ansh_ver = ANSH_VERSION; |
hdr->ansh_flg = flg; |
hdr->ansh_flg = flg; |
hdr->ansh_len = htons(datlen + sizeof(struct ansh_hdr)); |
hdr->ansh_len = htons(datlen + sizeof(struct ansh_hdr)); |
Line 354 _pkt_Recv(u_char * __restrict buf, int rlen, u_int * _
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Line 362 _pkt_Recv(u_char * __restrict buf, int rlen, u_int * _
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struct bpf_hdr *bpf; |
struct bpf_hdr *bpf; |
struct ansh_hdr *hdr; |
struct ansh_hdr *hdr; |
u_int crc; |
u_int crc; |
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u_char *str; |
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if (rlen < (sizeof(struct bpf_hdr) + ETHER_HDR_LEN + sizeof(struct ansh_hdr))) { |
if (rlen < (sizeof(struct bpf_hdr) + ETHER_HDR_LEN + sizeof(struct ansh_hdr))) { |
VERB(1) LOG("Discard packet too short %d ...", rlen); |
VERB(1) LOG("Discard packet too short %d ...", rlen); |
Line 404 _pkt_Recv(u_char * __restrict buf, int rlen, u_int * _
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Line 413 _pkt_Recv(u_char * __restrict buf, int rlen, u_int * _
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/* select data */ |
/* select data */ |
if (data) { |
if (data) { |
*datlen = ntohs(hdr->ansh_len) - sizeof(struct ansh_hdr); |
*datlen = ntohs(hdr->ansh_len) - sizeof(struct ansh_hdr); |
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if (Crypted) { |
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str = cryptBuffer(buf + bpf->bh_hdrlen + ETHER_HDR_LEN + sizeof(struct ansh_hdr), |
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*datlen, Crypted); |
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if (str) { |
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memcpy(buf + bpf->bh_hdrlen + ETHER_HDR_LEN + sizeof(struct ansh_hdr), |
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str, *datlen); |
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free(str); |
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} |
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} |
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memcpy(data, buf + bpf->bh_hdrlen + ETHER_HDR_LEN + sizeof(struct ansh_hdr), *datlen); |
memcpy(data, buf + bpf->bh_hdrlen + ETHER_HDR_LEN + sizeof(struct ansh_hdr), *datlen); |
} |
} |
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