| Rev 4 |
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Rev 5 |
| Line 27... |
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Line 27... |
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struct udisc_rec_hdr { |
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struct udisc_rec_hdr { |
uint8_t type; |
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uint8_t type; |
uint16_t length; |
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uint16_t length; |
} __attribute__((packed)); |
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} __attribute__((packed)); |
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struct cache_entry { |
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unsigned long s_addr; |
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unsigned short s_port; |
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}; |
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#define MAXENTRIES 1024 |
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struct cache_entry cache[MAXENTRIES]; |
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size_t cachep; |
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int add_cache(unsigned long s_addr, unsigned short s_port) |
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{ |
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if (cachep == 1024) |
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return 0; |
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cache[cachep].s_addr = s_addr; |
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cache[cachep].s_port = s_port; |
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cachep++; |
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return 1; |
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} |
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int lookup_cache(unsigned long s_addr, unsigned short s_port) |
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{ |
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int i; |
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for (i = 0; i <= cachep; i++) |
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if (cache[i].s_addr == s_addr && cache[i].s_port == s_port) |
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return 1; |
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return 0; |
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} |
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int main(int argc, char *argv[]) |
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int main(int argc, char *argv[]) |
{ |
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{ |
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struct sockaddr_in si_srv; |
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struct sockaddr_in si_srv; |
| Line 157... |
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Line 188... |
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if (ntohs(si_srv.sin_port) != UBNT_PORT) |
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if (ntohs(si_srv.sin_port) != UBNT_PORT) |
continue; |
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continue; |
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responses++; |
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responses++; |
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if (!lookup_cache(si_srv.sin_addr.s_addr, si_srv.sin_port)) { |
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if (!add_cache(si_srv.sin_addr.s_addr, si_srv.sin_port)) { |
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fprintf(stderr, "too many unique responses\n"); |
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exit(1); |
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} |
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} else { |
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continue; |
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} |
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printf("\n"); |
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printf("\n"); |
printf("Response : %s:%d\n", inet_ntoa(si_srv.sin_addr), ntohs(si_srv.sin_port)); |
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printf("Response : %s:%d\n", inet_ntoa(si_srv.sin_addr), ntohs(si_srv.sin_port)); |
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p = rcvbuf; |
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p = rcvbuf; |
