version 1.1.1.1, 2012/02/21 22:14:23
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version 1.1.1.2, 2013/07/22 11:54:42
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Line 40
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Line 40
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#endif |
#endif |
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libnet_ptag_t |
libnet_ptag_t |
libnet_build_igmp(u_int8_t type, u_int8_t code, u_int16_t sum, u_int32_t ip, | libnet_build_igmp(uint8_t type, uint8_t reserved, uint16_t sum, uint32_t ip, |
u_int8_t *payload, u_int32_t payload_s, libnet_t *l, libnet_ptag_t ptag) | const uint8_t *payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag) |
{ |
{ |
u_int32_t n, h; | uint32_t n, h; |
libnet_pblock_t *p; |
libnet_pblock_t *p; |
struct libnet_igmp_hdr igmp_hdr; |
struct libnet_igmp_hdr igmp_hdr; |
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Line 66 u_int8_t *payload, u_int32_t payload_s, libnet_t *l, l
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Line 66 u_int8_t *payload, u_int32_t payload_s, libnet_t *l, l
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} |
} |
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memset(&igmp_hdr, 0, sizeof(igmp_hdr)); |
memset(&igmp_hdr, 0, sizeof(igmp_hdr)); |
igmp_hdr.igmp_type = type; /* packet type */ | igmp_hdr.igmp_type = type; |
igmp_hdr.igmp_code = code; /* packet code */ | igmp_hdr.igmp_code = reserved; |
igmp_hdr.igmp_sum = (sum ? htons(sum) : 0); /* packet checksum */ | igmp_hdr.igmp_sum = (sum ? htons(sum) : 0); |
igmp_hdr.igmp_group.s_addr = htonl(ip); | igmp_hdr.igmp_group.s_addr = ip; |
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n = libnet_pblock_append(l, p, (u_int8_t *)&igmp_hdr, LIBNET_IGMP_H); | n = libnet_pblock_append(l, p, (uint8_t *)&igmp_hdr, LIBNET_IGMP_H); |
if (n == -1) |
if (n == -1) |
{ |
{ |
goto bad; |
goto bad; |
} |
} |
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if ((payload && !payload_s) || (!payload && payload_s)) | /* boilerplate payload sanity check / append macro */ |
{ | LIBNET_DO_PAYLOAD(l, p); |
snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, | |
"%s(): payload inconsistency\n", __func__); | |
goto bad; | |
} | |
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if (payload && payload_s) |
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{ |
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n = libnet_pblock_append(l, p, payload, payload_s); |
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if (n == -1) |
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{ |
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goto bad; |
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} |
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} |
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if (sum == 0) |
if (sum == 0) |
{ |
{ |
/* |
/* |
Line 101 u_int8_t *payload, u_int32_t payload_s, libnet_t *l, l
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Line 89 u_int8_t *payload, u_int32_t payload_s, libnet_t *l, l
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*/ |
*/ |
libnet_pblock_setflags(p, LIBNET_PBLOCK_DO_CHECKSUM); |
libnet_pblock_setflags(p, LIBNET_PBLOCK_DO_CHECKSUM); |
} |
} |
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return (ptag ? ptag : libnet_pblock_update(l, p, h, LIBNET_PBLOCK_IGMP_H)); |
return (ptag ? ptag : libnet_pblock_update(l, p, h, LIBNET_PBLOCK_IGMP_H)); |
bad: |
bad: |