is an SSLv3/TLS network protocol analyzer.
| logpkt.c (ssldump-1.4) | : | logpkt.c (ssldump-1.5) |
|---|
| | |
| skipping to change at line 222 | | skipping to change at line 222 |
|---|
| * to zero bytes and a new PCAP header is written. | | * to zero bytes and a new PCAP header is written. |
| * On a return value of 0, the caller can continue to write PCAP records to the | | * On a return value of 0, the caller can continue to write PCAP records to the |
| * file descriptor. On error, -1 is returned and the file descriptor is in an | | * file descriptor. On error, -1 is returned and the file descriptor is in an |
| * undefined but still open state. | | * undefined but still open state. |
| */ | | */ |
| int | | int |
| logpkt_pcap_open_fd(int fd) { | | logpkt_pcap_open_fd(int fd) { |
| pcap_file_hdr_t hdr; | | pcap_file_hdr_t hdr; |
| off_t sz; | | off_t sz; |
| ssize_t n; | | ssize_t n; |
|
| | struct stat st; |
| | |
|
| sz = lseek(fd, 0, SEEK_END); | | if(fstat(fd, &st)) |
| if (sz == -1) | | |
| return -1; | | return -1; |
| | |
|
| if (sz > 0) { | | if(!S_ISFIFO(st.st_mode)) { |
| if (lseek(fd, 0, SEEK_SET) == -1) | | sz = lseek(fd, 0, SEEK_END); |
| | if (sz == -1) |
| return -1; | | return -1; |
|
| n = read(fd, &hdr, sizeof(pcap_file_hdr_t)); | | |
| if (n != sizeof(pcap_file_hdr_t)) | | |
| return -1; | | |
| if (hdr.magic_number == PCAP_MAGIC) | | |
| return lseek(fd, 0, SEEK_END) == -1 ? -1 : 0; | | |
| if (lseek(fd, 0, SEEK_SET) == -1) | | |
| return -1; | | |
| if (ftruncate(fd, 0) == -1) | | |
| return -1; | | |
| } | | |
| | |
|
| | if (sz > 0) { |
| | if (lseek(fd, 0, SEEK_SET) == -1) |
| | return -1; |
| | n = read(fd, &hdr, sizeof(pcap_file_hdr_t)); |
| | if (n != sizeof(pcap_file_hdr_t)) |
| | return -1; |
| | if (hdr.magic_number == PCAP_MAGIC) |
| | return lseek(fd, 0, SEEK_END) == -1 ? -1 : 0; |
| | if (lseek(fd, 0, SEEK_SET) == -1) |
| | return -1; |
| | if (ftruncate(fd, 0) == -1) |
| | return -1; |
| | } |
| | } |
| return logpkt_write_global_pcap_hdr(fd); | | return logpkt_write_global_pcap_hdr(fd); |
| } | | } |
| | |
| /* | | /* |
| * Initialize the per-connection packet crafting context. For mirroring, | | * Initialize the per-connection packet crafting context. For mirroring, |
| * *libnet* must be an initialized libnet instance and *mtu* must be the | | * *libnet* must be an initialized libnet instance and *mtu* must be the |
| * target interface MTU greater than 0. For PCAP writing, *libnet* must be | | * target interface MTU greater than 0. For PCAP writing, *libnet* must be |
| * NULL and *mtu* must be 0. The ether and sockaddr addresses are used as the | | * NULL and *mtu* must be 0. The ether and sockaddr addresses are used as the |
| * layer 2 and layer 3 addresses respectively. For mirroring, the ethers must | | * layer 2 and layer 3 addresses respectively. For mirroring, the ethers must |
| * match the actual link layer addresses to be used when sending traffic, not | | * match the actual link layer addresses to be used when sending traffic, not |
| | | |
| End of changes. 5 change blocks. |
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| 14 lines changed or deleted | | 19 lines changed or added |
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