From Marko Hrastovec via
[metze/wireshark/wip.git] / text2pcap.c
index 119d105846f76da607288417885d43d22dec6a94..8ea0223f84f1da2fceb01262dbc78a45316a95e4 100644 (file)
 #include <winsock2.h>       /* needed to define AF_ values on Windows */
 #endif
 
-#ifdef NEED_INET_ATON_H
+#ifndef HAVE_INET_ATON_H
 # include "wsutil/inet_aton.h"
 #endif
 
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
 #ifdef NEED_INET_V6DEFS_H
 # include "wsutil/inet_v6defs.h"
 #endif
@@ -177,16 +181,16 @@ static int hdr_ipv6 = FALSE;
 static long hdr_ip_proto = 0;
 
 /* Destination and source addresses for IP header */
-static unsigned long hdr_ip_dest_addr = 0;
-static unsigned long hdr_ip_src_addr = 0;
+static guint32 hdr_ip_dest_addr = 0;
+static guint32 hdr_ip_src_addr = 0;
 static guint8 hdr_ipv6_dest_addr[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-static guint8 hdr_ipv6_src_addr[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-static guint8 NO_IPv6_ADDRESS[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+static guint8 hdr_ipv6_src_addr[16]  = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+static guint8 NO_IPv6_ADDRESS[16]    = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
 
 /* Dummy UDP header */
-static int hdr_udp = FALSE;
+static int     hdr_udp       = FALSE;
 static guint32 hdr_dest_port = 0;
-static guint32 hdr_src_port = 0;
+static guint32 hdr_src_port  = 0;
 
 /* Dummy TCP header */
 static int hdr_tcp = FALSE;
@@ -216,38 +220,39 @@ static guint32 direction = 0;
 
 /* This is where we store the packet currently being built */
 #define MAX_PACKET 65535
-static guint8 packet_buf[MAX_PACKET];
+static guint8  packet_buf[MAX_PACKET];
 static guint32 header_length;
 static guint32 ip_offset;
 static guint32 curr_offset;
 static guint32 max_offset = MAX_PACKET;
 static guint32 packet_start = 0;
+
 static void start_new_packet(gboolean);
 
 /* This buffer contains strings present before the packet offset 0 */
 #define PACKET_PREAMBLE_MAX_LEN     2048
 static guint8 packet_preamble[PACKET_PREAMBLE_MAX_LEN+1];
-static int packet_preamble_len = 0;
+static int    packet_preamble_len = 0;
 
 /* Number of packets read and written */
-static guint32 num_packets_read = 0;
+static guint32 num_packets_read    = 0;
 static guint32 num_packets_written = 0;
-static guint64 bytes_written = 0;
+static guint64 bytes_written       = 0;
 
 /* Time code of packet, derived from packet_preamble */
-static time_t ts_sec  = 0;
-static guint32 ts_usec = 0;
-static char *ts_fmt = NULL;
+static time_t   ts_sec  = 0;
+static guint32  ts_usec = 0;
+static char    *ts_fmt  = NULL;
 static struct tm timecode_default;
 
 static guint8* pkt_lnstart;
 
 /* Input file */
 static const char *input_filename;
-static FILE *input_file = NULL;
+static FILE       *input_file  = NULL;
 /* Output file */
 static const char *output_filename;
-static FILE *output_file = NULL;
+static FILE       *output_file = NULL;
 
 /* Offset base to parse */
 static guint32 offset_base = 16;
@@ -339,26 +344,26 @@ struct hdr_in6_addr
 };
 
 typedef struct {
-        union  {
-                struct ip6_hdrctl {
-                        guint32 ip6_un1_flow;   /* 24 bits of flow-ID */
-                        guint16 ip6_un1_plen;   /* payload length */
-                        guint8  ip6_un1_nxt;    /* next header */
-                        guint8  ip6_un1_hlim;   /* hop limit */
-                } ip6_un1;
-                guint8 ip6_un2_vfc;       /* 4 bits version, 4 bits priority */
-        } ip6_ctlun;
-        struct hdr_in6_addr ip6_src;      /* source address */
-        struct hdr_in6_addr ip6_dst;      /* destination address */
+    union  {
+        struct ip6_hdrctl {
+            guint32 ip6_un1_flow;   /* 24 bits of flow-ID */
+            guint16 ip6_un1_plen;   /* payload length */
+            guint8  ip6_un1_nxt;    /* next header */
+            guint8  ip6_un1_hlim;   /* hop limit */
+        } ip6_un1;
+        guint8 ip6_un2_vfc;       /* 4 bits version, 4 bits priority */
+    } ip6_ctlun;
+    struct hdr_in6_addr ip6_src;      /* source address */
+    struct hdr_in6_addr ip6_dst;      /* destination address */
 } hdr_ipv6_t;
 
 static hdr_ipv6_t HDR_IPv6;
 
 static struct {                 /* pseudo header ipv6 for checksum calculation */
-        struct  hdr_in6_addr src_addr6;
-        struct  hdr_in6_addr dst_addr6;
-        guint32 protocol;
-        guint32 zero;
+    struct  hdr_in6_addr src_addr6;
+    struct  hdr_in6_addr dst_addr6;
+    guint32 protocol;
+    guint32 zero;
 } pseudoh6;
 
 
@@ -433,8 +438,8 @@ struct pcaprec_hdr {
     guint32 orig_len;       /* actual length of packet */
 };
 
-/* Link-layer type; see net/bpf.h for details */
-static guint32 pcap_link_type = 1;   /* Default is DLT-EN10MB */
+/* Link-layer type; see http://www.tcpdump.org/linktypes.html for details */
+static guint32 pcap_link_type = 1;   /* Default is LINKTYPE_ETHERNET */
 
 /*----------------------------------------------------------------------
  * Parse a single hex number
@@ -444,13 +449,13 @@ static guint32 pcap_link_type = 1;   /* Default is DLT-EN10MB */
 static guint32
 parse_num (const char *str, int offset)
 {
-    guint32 num;
-    char *c;
+    guint32  num;
+    char    *c;
 
     num = (guint32)strtoul(str, &c, offset ? offset_base : 16);
-    if (c==str) {
+    if (c == str) {
         fprintf(stderr, "FATAL ERROR: Bad hex number? [%s]\n", str);
-        exit(-1);
+        exit(1);
     }
     return num;
 }
@@ -465,7 +470,7 @@ write_byte (const char *str)
 
     num = parse_num(str, FALSE);
     packet_buf[curr_offset] = (guint8) num;
-    curr_offset ++;
+    curr_offset++;
     if (curr_offset - header_length >= max_offset) /* packet full */
         start_new_packet(TRUE);
 }
@@ -475,7 +480,7 @@ write_byte (const char *str)
  */
 
 static void
-write_bytes(const char bytes[], guint32 nbytes)
+write_bytes (const char bytes[], guint32 nbytes)
 {
     guint32 i;
 
@@ -531,74 +536,74 @@ in_checksum (void *buf, guint32 count)
 #define CRC32C(c,d) (c=(c>>8)^crc_c[(c^(d))&0xFF])
 static guint32 crc_c[256] =
 {
-0x00000000L, 0xF26B8303L, 0xE13B70F7L, 0x1350F3F4L,
-0xC79A971FL, 0x35F1141CL, 0x26A1E7E8L, 0xD4CA64EBL,
-0x8AD958CFL, 0x78B2DBCCL, 0x6BE22838L, 0x9989AB3BL,
-0x4D43CFD0L, 0xBF284CD3L, 0xAC78BF27L, 0x5E133C24L,
-0x105EC76FL, 0xE235446CL, 0xF165B798L, 0x030E349BL,
-0xD7C45070L, 0x25AFD373L, 0x36FF2087L, 0xC494A384L,
-0x9A879FA0L, 0x68EC1CA3L, 0x7BBCEF57L, 0x89D76C54L,
-0x5D1D08BFL, 0xAF768BBCL, 0xBC267848L, 0x4E4DFB4BL,
-0x20BD8EDEL, 0xD2D60DDDL, 0xC186FE29L, 0x33ED7D2AL,
-0xE72719C1L, 0x154C9AC2L, 0x061C6936L, 0xF477EA35L,
-0xAA64D611L, 0x580F5512L, 0x4B5FA6E6L, 0xB93425E5L,
-0x6DFE410EL, 0x9F95C20DL, 0x8CC531F9L, 0x7EAEB2FAL,
-0x30E349B1L, 0xC288CAB2L, 0xD1D83946L, 0x23B3BA45L,
-0xF779DEAEL, 0x05125DADL, 0x1642AE59L, 0xE4292D5AL,
-0xBA3A117EL, 0x4851927DL, 0x5B016189L, 0xA96AE28AL,
-0x7DA08661L, 0x8FCB0562L, 0x9C9BF696L, 0x6EF07595L,
-0x417B1DBCL, 0xB3109EBFL, 0xA0406D4BL, 0x522BEE48L,
-0x86E18AA3L, 0x748A09A0L, 0x67DAFA54L, 0x95B17957L,
-0xCBA24573L, 0x39C9C670L, 0x2A993584L, 0xD8F2B687L,
-0x0C38D26CL, 0xFE53516FL, 0xED03A29BL, 0x1F682198L,
-0x5125DAD3L, 0xA34E59D0L, 0xB01EAA24L, 0x42752927L,
-0x96BF4DCCL, 0x64D4CECFL, 0x77843D3BL, 0x85EFBE38L,
-0xDBFC821CL, 0x2997011FL, 0x3AC7F2EBL, 0xC8AC71E8L,
-0x1C661503L, 0xEE0D9600L, 0xFD5D65F4L, 0x0F36E6F7L,
-0x61C69362L, 0x93AD1061L, 0x80FDE395L, 0x72966096L,
-0xA65C047DL, 0x5437877EL, 0x4767748AL, 0xB50CF789L,
-0xEB1FCBADL, 0x197448AEL, 0x0A24BB5AL, 0xF84F3859L,
-0x2C855CB2L, 0xDEEEDFB1L, 0xCDBE2C45L, 0x3FD5AF46L,
-0x7198540DL, 0x83F3D70EL, 0x90A324FAL, 0x62C8A7F9L,
-0xB602C312L, 0x44694011L, 0x5739B3E5L, 0xA55230E6L,
-0xFB410CC2L, 0x092A8FC1L, 0x1A7A7C35L, 0xE811FF36L,
-0x3CDB9BDDL, 0xCEB018DEL, 0xDDE0EB2AL, 0x2F8B6829L,
-0x82F63B78L, 0x709DB87BL, 0x63CD4B8FL, 0x91A6C88CL,
-0x456CAC67L, 0xB7072F64L, 0xA457DC90L, 0x563C5F93L,
-0x082F63B7L, 0xFA44E0B4L, 0xE9141340L, 0x1B7F9043L,
-0xCFB5F4A8L, 0x3DDE77ABL, 0x2E8E845FL, 0xDCE5075CL,
-0x92A8FC17L, 0x60C37F14L, 0x73938CE0L, 0x81F80FE3L,
-0x55326B08L, 0xA759E80BL, 0xB4091BFFL, 0x466298FCL,
-0x1871A4D8L, 0xEA1A27DBL, 0xF94AD42FL, 0x0B21572CL,
-0xDFEB33C7L, 0x2D80B0C4L, 0x3ED04330L, 0xCCBBC033L,
-0xA24BB5A6L, 0x502036A5L, 0x4370C551L, 0xB11B4652L,
-0x65D122B9L, 0x97BAA1BAL, 0x84EA524EL, 0x7681D14DL,
-0x2892ED69L, 0xDAF96E6AL, 0xC9A99D9EL, 0x3BC21E9DL,
-0xEF087A76L, 0x1D63F975L, 0x0E330A81L, 0xFC588982L,
-0xB21572C9L, 0x407EF1CAL, 0x532E023EL, 0xA145813DL,
-0x758FE5D6L, 0x87E466D5L, 0x94B49521L, 0x66DF1622L,
-0x38CC2A06L, 0xCAA7A905L, 0xD9F75AF1L, 0x2B9CD9F2L,
-0xFF56BD19L, 0x0D3D3E1AL, 0x1E6DCDEEL, 0xEC064EEDL,
-0xC38D26C4L, 0x31E6A5C7L, 0x22B65633L, 0xD0DDD530L,
-0x0417B1DBL, 0xF67C32D8L, 0xE52CC12CL, 0x1747422FL,
-0x49547E0BL, 0xBB3FFD08L, 0xA86F0EFCL, 0x5A048DFFL,
-0x8ECEE914L, 0x7CA56A17L, 0x6FF599E3L, 0x9D9E1AE0L,
-0xD3D3E1ABL, 0x21B862A8L, 0x32E8915CL, 0xC083125FL,
-0x144976B4L, 0xE622F5B7L, 0xF5720643L, 0x07198540L,
-0x590AB964L, 0xAB613A67L, 0xB831C993L, 0x4A5A4A90L,
-0x9E902E7BL, 0x6CFBAD78L, 0x7FAB5E8CL, 0x8DC0DD8FL,
-0xE330A81AL, 0x115B2B19L, 0x020BD8EDL, 0xF0605BEEL,
-0x24AA3F05L, 0xD6C1BC06L, 0xC5914FF2L, 0x37FACCF1L,
-0x69E9F0D5L, 0x9B8273D6L, 0x88D28022L, 0x7AB90321L,
-0xAE7367CAL, 0x5C18E4C9L, 0x4F48173DL, 0xBD23943EL,
-0xF36E6F75L, 0x0105EC76L, 0x12551F82L, 0xE03E9C81L,
-0x34F4F86AL, 0xC69F7B69L, 0xD5CF889DL, 0x27A40B9EL,
-0x79B737BAL, 0x8BDCB4B9L, 0x988C474DL, 0x6AE7C44EL,
-0xBE2DA0A5L, 0x4C4623A6L, 0x5F16D052L, 0xAD7D5351L,
+0x00000000U, 0xF26B8303U, 0xE13B70F7U, 0x1350F3F4U,
+0xC79A971FU, 0x35F1141CU, 0x26A1E7E8U, 0xD4CA64EBU,
+0x8AD958CFU, 0x78B2DBCCU, 0x6BE22838U, 0x9989AB3BU,
+0x4D43CFD0U, 0xBF284CD3U, 0xAC78BF27U, 0x5E133C24U,
+0x105EC76FU, 0xE235446CU, 0xF165B798U, 0x030E349BU,
+0xD7C45070U, 0x25AFD373U, 0x36FF2087U, 0xC494A384U,
+0x9A879FA0U, 0x68EC1CA3U, 0x7BBCEF57U, 0x89D76C54U,
+0x5D1D08BFU, 0xAF768BBCU, 0xBC267848U, 0x4E4DFB4BU,
+0x20BD8EDEU, 0xD2D60DDDU, 0xC186FE29U, 0x33ED7D2AU,
+0xE72719C1U, 0x154C9AC2U, 0x061C6936U, 0xF477EA35U,
+0xAA64D611U, 0x580F5512U, 0x4B5FA6E6U, 0xB93425E5U,
+0x6DFE410EU, 0x9F95C20DU, 0x8CC531F9U, 0x7EAEB2FAU,
+0x30E349B1U, 0xC288CAB2U, 0xD1D83946U, 0x23B3BA45U,
+0xF779DEAEU, 0x05125DADU, 0x1642AE59U, 0xE4292D5AU,
+0xBA3A117EU, 0x4851927DU, 0x5B016189U, 0xA96AE28AU,
+0x7DA08661U, 0x8FCB0562U, 0x9C9BF696U, 0x6EF07595U,
+0x417B1DBCU, 0xB3109EBFU, 0xA0406D4BU, 0x522BEE48U,
+0x86E18AA3U, 0x748A09A0U, 0x67DAFA54U, 0x95B17957U,
+0xCBA24573U, 0x39C9C670U, 0x2A993584U, 0xD8F2B687U,
+0x0C38D26CU, 0xFE53516FU, 0xED03A29BU, 0x1F682198U,
+0x5125DAD3U, 0xA34E59D0U, 0xB01EAA24U, 0x42752927U,
+0x96BF4DCCU, 0x64D4CECFU, 0x77843D3BU, 0x85EFBE38U,
+0xDBFC821CU, 0x2997011FU, 0x3AC7F2EBU, 0xC8AC71E8U,
+0x1C661503U, 0xEE0D9600U, 0xFD5D65F4U, 0x0F36E6F7U,
+0x61C69362U, 0x93AD1061U, 0x80FDE395U, 0x72966096U,
+0xA65C047DU, 0x5437877EU, 0x4767748AU, 0xB50CF789U,
+0xEB1FCBADU, 0x197448AEU, 0x0A24BB5AU, 0xF84F3859U,
+0x2C855CB2U, 0xDEEEDFB1U, 0xCDBE2C45U, 0x3FD5AF46U,
+0x7198540DU, 0x83F3D70EU, 0x90A324FAU, 0x62C8A7F9U,
+0xB602C312U, 0x44694011U, 0x5739B3E5U, 0xA55230E6U,
+0xFB410CC2U, 0x092A8FC1U, 0x1A7A7C35U, 0xE811FF36U,
+0x3CDB9BDDU, 0xCEB018DEU, 0xDDE0EB2AU, 0x2F8B6829U,
+0x82F63B78U, 0x709DB87BU, 0x63CD4B8FU, 0x91A6C88CU,
+0x456CAC67U, 0xB7072F64U, 0xA457DC90U, 0x563C5F93U,
+0x082F63B7U, 0xFA44E0B4U, 0xE9141340U, 0x1B7F9043U,
+0xCFB5F4A8U, 0x3DDE77ABU, 0x2E8E845FU, 0xDCE5075CU,
+0x92A8FC17U, 0x60C37F14U, 0x73938CE0U, 0x81F80FE3U,
+0x55326B08U, 0xA759E80BU, 0xB4091BFFU, 0x466298FCU,
+0x1871A4D8U, 0xEA1A27DBU, 0xF94AD42FU, 0x0B21572CU,
+0xDFEB33C7U, 0x2D80B0C4U, 0x3ED04330U, 0xCCBBC033U,
+0xA24BB5A6U, 0x502036A5U, 0x4370C551U, 0xB11B4652U,
+0x65D122B9U, 0x97BAA1BAU, 0x84EA524EU, 0x7681D14DU,
+0x2892ED69U, 0xDAF96E6AU, 0xC9A99D9EU, 0x3BC21E9DU,
+0xEF087A76U, 0x1D63F975U, 0x0E330A81U, 0xFC588982U,
+0xB21572C9U, 0x407EF1CAU, 0x532E023EU, 0xA145813DU,
+0x758FE5D6U, 0x87E466D5U, 0x94B49521U, 0x66DF1622U,
+0x38CC2A06U, 0xCAA7A905U, 0xD9F75AF1U, 0x2B9CD9F2U,
+0xFF56BD19U, 0x0D3D3E1AU, 0x1E6DCDEEU, 0xEC064EEDU,
+0xC38D26C4U, 0x31E6A5C7U, 0x22B65633U, 0xD0DDD530U,
+0x0417B1DBU, 0xF67C32D8U, 0xE52CC12CU, 0x1747422FU,
+0x49547E0BU, 0xBB3FFD08U, 0xA86F0EFCU, 0x5A048DFFU,
+0x8ECEE914U, 0x7CA56A17U, 0x6FF599E3U, 0x9D9E1AE0U,
+0xD3D3E1ABU, 0x21B862A8U, 0x32E8915CU, 0xC083125FU,
+0x144976B4U, 0xE622F5B7U, 0xF5720643U, 0x07198540U,
+0x590AB964U, 0xAB613A67U, 0xB831C993U, 0x4A5A4A90U,
+0x9E902E7BU, 0x6CFBAD78U, 0x7FAB5E8CU, 0x8DC0DD8FU,
+0xE330A81AU, 0x115B2B19U, 0x020BD8EDU, 0xF0605BEEU,
+0x24AA3F05U, 0xD6C1BC06U, 0xC5914FF2U, 0x37FACCF1U,
+0x69E9F0D5U, 0x9B8273D6U, 0x88D28022U, 0x7AB90321U,
+0xAE7367CAU, 0x5C18E4C9U, 0x4F48173DU, 0xBD23943EU,
+0xF36E6F75U, 0x0105EC76U, 0x12551F82U, 0xE03E9C81U,
+0x34F4F86AU, 0xC69F7B69U, 0xD5CF889DU, 0x27A40B9EU,
+0x79B737BAU, 0x8BDCB4B9U, 0x988C474DU, 0x6AE7C44EU,
+0xBE2DA0A5U, 0x4C4623A6U, 0x5F16D052U, 0xAD7D5351U,
 };
 
 static guint32
-crc32c(const guint8* buf, unsigned int len, guint32 crc32_init)
+crc32c (const guint8* buf, unsigned int len, guint32 crc32_init)
 {
     unsigned int i;
     guint32 crc32;
@@ -607,11 +612,11 @@ crc32c(const guint8* buf, unsigned int len, guint32 crc32_init)
     for (i = 0; i < len; i++)
         CRC32C(crc32, buf[i]);
 
-    return ( crc32 );
+    return crc32;
 }
 
 static guint32
-finalize_crc32c(guint32 crc32)
+finalize_crc32c (guint32 crc32)
 {
     guint32 result;
     guint8 byte0,byte1,byte2,byte3;
@@ -622,7 +627,7 @@ finalize_crc32c(guint32 crc32)
     byte2 = (result>>16) & 0xff;
     byte3 = (result>>24) & 0xff;
     result = ((byte0 << 24) | (byte1 << 16) | (byte2 << 8) | byte3);
-    return ( result );
+    return result;
 }
 
 static guint16
@@ -642,18 +647,19 @@ number_of_padding_bytes (guint32 length)
  * Write current packet out
  */
 static void
-write_current_packet(gboolean cont)
+write_current_packet (gboolean cont)
 {
-    guint32 length = 0;
-    guint16 padding_length = 0;
-    int err;
+    guint32  length         = 0;
+    guint16  padding_length = 0;
+    int      err;
+    guint16  ihatemacros;
     gboolean success;
 
     if (curr_offset > header_length) {
         /* Write the packet */
 
         /* if defined IPv6 we should rewrite hdr_ethernet_proto anyways */
-        if(hdr_ipv6) {
+        if (hdr_ipv6) {
             hdr_ethernet_proto = 0x86DD;
             hdr_ip = FALSE;
         }
@@ -676,8 +682,8 @@ write_current_packet(gboolean cont)
 
         /* Write IP header */
         if (hdr_ip) {
-            if(hdr_ip_src_addr) HDR_IP.src_addr = hdr_ip_src_addr;
-            if(hdr_ip_dest_addr) HDR_IP.dest_addr = hdr_ip_dest_addr;
+            if (hdr_ip_src_addr) HDR_IP.src_addr = hdr_ip_src_addr;
+            if (hdr_ip_dest_addr) HDR_IP.dest_addr = hdr_ip_dest_addr;
 
             HDR_IP.packet_length = g_htons(length - ip_offset + padding_length);
             HDR_IP.protocol = (guint8) hdr_ip_proto;
@@ -685,9 +691,9 @@ write_current_packet(gboolean cont)
             HDR_IP.hdr_checksum = in_checksum(&HDR_IP, sizeof(HDR_IP));
             write_bytes((const char *)&HDR_IP, sizeof(HDR_IP));
         } else if (hdr_ipv6) {
-            if(memcmp(hdr_ipv6_src_addr, NO_IPv6_ADDRESS, sizeof(struct hdr_in6_addr)))
+            if (memcmp(hdr_ipv6_src_addr, NO_IPv6_ADDRESS, sizeof(struct hdr_in6_addr)))
                 memcpy(&HDR_IPv6.ip6_src, &hdr_ipv6_src_addr, sizeof(struct hdr_in6_addr));
-            if(memcmp(hdr_ipv6_dest_addr, NO_IPv6_ADDRESS, sizeof(struct hdr_in6_addr)))
+            if (memcmp(hdr_ipv6_dest_addr, NO_IPv6_ADDRESS, sizeof(struct hdr_in6_addr)))
                 memcpy(&HDR_IPv6.ip6_dst, &hdr_ipv6_dest_addr, sizeof(struct hdr_in6_addr));
 
             HDR_IPv6.ip6_ctlun.ip6_un2_vfc &= 0x0F;
@@ -702,10 +708,11 @@ write_current_packet(gboolean cont)
             pseudoh6.dst_addr6  = HDR_IPv6.ip6_dst;
             pseudoh6.zero       = 0;
             pseudoh6.protocol   = (guint8) hdr_ip_proto;
-            pseudoh.length      = g_htons(length - g_ntohs(HDR_IPv6.ip6_ctlun.ip6_un1.ip6_un1_plen) + sizeof(HDR_UDP));
+            ihatemacros         = g_ntohs(HDR_IPv6.ip6_ctlun.ip6_un1.ip6_un1_plen);
+            pseudoh.length      = g_htons(length - ihatemacros + sizeof(HDR_UDP));
         }
 
-        if(!hdr_ipv6) {
+        if (!hdr_ipv6) {
             /* initialize pseudo header for checksum calculation */
             pseudoh.src_addr    = HDR_IP.src_addr;
             pseudoh.dest_addr   = HDR_IP.dest_addr;
@@ -801,7 +808,7 @@ write_current_packet(gboolean cont)
             HDR_SCTP.dest_port = g_htons(hdr_sctp_dest);
             HDR_SCTP.tag       = g_htonl(hdr_sctp_tag);
             HDR_SCTP.checksum  = g_htonl(0);
-            HDR_SCTP.checksum  = crc32c((guint8 *)&HDR_SCTP, sizeof(HDR_SCTP), ~0L);
+            HDR_SCTP.checksum  = crc32c((guint8 *)&HDR_SCTP, sizeof(HDR_SCTP), ~0);
             if (hdr_data_chunk) {
                 HDR_SCTP.checksum  = crc32c((guint8 *)&HDR_DATA_CHUNK, sizeof(HDR_DATA_CHUNK), HDR_SCTP.checksum);
                 HDR_SCTP.checksum  = crc32c((guint8 *)packet_buf + header_length, length - header_length, HDR_SCTP.checksum);
@@ -836,16 +843,16 @@ write_current_packet(gboolean cont)
             length = 60;
         }
         if (use_pcapng) {
-            success = libpcap_write_enhanced_packet_block(libpcap_write_to_file, output_file,
-                                                          NULL,
-                                                          ts_sec, ts_usec,
-                                                          length, length,
-                                                          0,
-                                                          1000000,
-                                                          packet_buf, direction,
-                                                          &bytes_written, &err);
+            success = pcapng_write_enhanced_packet_block(output_file,
+                                                         NULL,
+                                                         ts_sec, ts_usec,
+                                                         length, length,
+                                                         0,
+                                                         1000000,
+                                                         packet_buf, direction,
+                                                         &bytes_written, &err);
         } else {
-            success = libpcap_write_packet(libpcap_write_to_file, output_file,
+            success = libpcap_write_packet(output_file,
                                            ts_sec, ts_usec,
                                            length, length,
                                            packet_buf,
@@ -854,7 +861,7 @@ write_current_packet(gboolean cont)
         if (!success) {
             fprintf(stderr, "File write error [%s] : %s\n",
                     output_filename, g_strerror(err));
-            exit(-1);
+            exit(1);
         }
         if (ts_fmt == NULL) {
             /* fake packet counter */
@@ -863,7 +870,7 @@ write_current_packet(gboolean cont)
         if (!quiet) {
             fprintf(stderr, "Wrote packet of %u bytes.\n", length);
         }
-        num_packets_written ++;
+        num_packets_written++;
     }
 
     packet_start += curr_offset - header_length;
@@ -877,7 +884,7 @@ write_current_packet(gboolean cont)
 static void
 write_file_header (void)
 {
-    int err;
+    int      err;
     gboolean success;
 
     if (use_pcapng) {
@@ -889,55 +896,55 @@ write_file_header (void)
         char comment[100];
 
         g_snprintf(comment, sizeof(comment), "Generated from input file %s.", input_filename);
-        success = libpcap_write_session_header_block(libpcap_write_to_file, output_file,
-                                                     comment,
-                                                     NULL,
-                                                     NULL,
-                                                     appname,
-                                                     -1,
-                                                     &bytes_written,
-                                                     &err);
+        success = pcapng_write_session_header_block(output_file,
+                                                    comment,
+                                                    NULL,
+                                                    NULL,
+                                                    appname,
+                                                    -1,
+                                                    &bytes_written,
+                                                    &err);
         if (success) {
-            success = libpcap_write_interface_description_block(libpcap_write_to_file, output_file,
-                                                                NULL,
-                                                                NULL,
-                                                                NULL,
-                                                                "",
-                                                                NULL,
-                                                                pcap_link_type,
-                                                                PCAP_SNAPLEN,
-                                                                &bytes_written,
-                                                                0,
-                                                                6,
-                                                                &err);
+            success = pcapng_write_interface_description_block(output_file,
+                                                               NULL,
+                                                               NULL,
+                                                               NULL,
+                                                               "",
+                                                               NULL,
+                                                               pcap_link_type,
+                                                               PCAP_SNAPLEN,
+                                                               &bytes_written,
+                                                               0,
+                                                               6,
+                                                               &err);
         }
     } else {
-        success = libpcap_write_file_header(libpcap_write_to_file, output_file, pcap_link_type, PCAP_SNAPLEN,
+        success = libpcap_write_file_header(output_file, pcap_link_type, PCAP_SNAPLEN,
                                             FALSE, &bytes_written, &err);
     }
     if (!success) {
         fprintf(stderr, "File write error [%s] : %s\n",
                 output_filename, g_strerror(err));
-        exit(-1);
+        exit(1);
     }
 }
 
 static void
 write_file_trailer (void)
 {
-    int err;
+    int      err;
     gboolean success;
 
     if (use_pcapng) {
-        success = libpcap_write_interface_statistics_block(libpcap_write_to_file, output_file,
-                                                           0,
-                                                           &bytes_written,
-                                                           "Counters provided by text2pcap",
-                                                           0,
-                                                           0,
-                                                           num_packets_written,
-                                                           num_packets_written - num_packets_written,
-                                                           &err);
+        success = pcapng_write_interface_statistics_block(output_file,
+                                                          0,
+                                                          &bytes_written,
+                                                          "Counters provided by text2pcap",
+                                                          0,
+                                                          0,
+                                                          num_packets_written,
+                                                          num_packets_written - num_packets_written,
+                                                          &err);
 
     } else {
         success = TRUE;
@@ -945,7 +952,7 @@ write_file_trailer (void)
     if (!success) {
         fprintf(stderr, "File write error [%s] : %s\n",
                 output_filename, g_strerror(err));
-        exit(-1);
+        exit(1);
     }
    return;
 }
@@ -954,7 +961,7 @@ write_file_trailer (void)
  * Append a token to the packet preamble.
  */
 static void
-append_to_preamble(char *str)
+append_to_preamble (char *str)
 {
     size_t toklen;
 
@@ -987,11 +994,11 @@ append_to_preamble(char *str)
 static void
 parse_preamble (void)
 {
-    struct tm timecode;
-    char *subsecs;
-    char *p;
-    int  subseclen;
-    int  i;
+    struct tm  timecode;
+    char      *subsecs;
+    char      *p;
+    int        subseclen;
+    int        i;
 
      /*
      * Null-terminate the preamble.
@@ -1120,14 +1127,14 @@ parse_preamble (void)
  * Start a new packet
  */
 static void
-start_new_packet(gboolean cont)
+start_new_packet (gboolean cont)
 {
     if (debug >= 1)
         fprintf(stderr, "Start new packet (cont = %s).\n", cont ? "TRUE" : "FALSE");
 
     /* Write out the current packet, if required */
     write_current_packet(cont);
-    num_packets_read ++;
+    num_packets_read++;
 
     /* Ensure we parse the packet preamble as it may contain the time */
     parse_preamble();
@@ -1148,18 +1155,18 @@ process_directive (char *str)
 void
 parse_token (token_t token, char *str)
 {
-    guint32 num;
-    int by_eol;
-    int rollback = 0;
-    int line_size;
-    int i;
-    chars2;
-    char tmp_str[3];
+    guint32  num;
+    int      by_eol;
+    int      rollback = 0;
+    int      line_size;
+    int      i;
+    char    *s2;
+    char     tmp_str[3];
 
     /*
      * This is implemented as a simple state machine of five states.
      * State transitions are caused by tokens being received from the
-     * scanner. The code should be self_documenting.
+     * scanner. The code should be self-documenting.
      */
 
     if (debug >= 2) {
@@ -1171,11 +1178,11 @@ parse_token (token_t token, char *str)
                 state_str[state], token_str[token], str ? str : "");
     }
 
-    switch(state) {
+    switch (state) {
 
     /* ----- Waiting for new packet -------------------------------------------*/
     case INIT:
-        switch(token) {
+        switch (token) {
         case T_TEXT:
             append_to_preamble(str);
             break;
@@ -1204,7 +1211,7 @@ parse_token (token_t token, char *str)
 
     /* ----- Processing packet, start of new line -----------------------------*/
     case START_OF_LINE:
-        switch(token) {
+        switch (token) {
         case T_TEXT:
             append_to_preamble(str);
             break;
@@ -1253,7 +1260,7 @@ parse_token (token_t token, char *str)
 
     /* ----- Processing packet, read offset -----------------------------------*/
     case READ_OFFSET:
-        switch(token) {
+        switch (token) {
         case T_BYTE:
             /* Record the byte */
             state = READ_BYTE;
@@ -1274,7 +1281,7 @@ parse_token (token_t token, char *str)
 
     /* ----- Processing packet, read byte -------------------------------------*/
     case READ_BYTE:
-        switch(token) {
+        switch (token) {
         case T_BYTE:
             /* Record the byte */
             write_byte(str);
@@ -1344,7 +1351,7 @@ parse_token (token_t token, char *str)
 
     /* ----- Processing packet, read text -------------------------------------*/
     case READ_TEXT:
-        switch(token) {
+        switch (token) {
         case T_EOL:
             state = START_OF_LINE;
             break;
@@ -1355,10 +1362,10 @@ parse_token (token_t token, char *str)
 
     default:
         fprintf(stderr, "FATAL ERROR: Bad state (%d)", state);
-        exit(-1);
+        exit(1);
     }
 
-    if (debug>=2)
+    if (debug >= 2)
         fprintf(stderr, ", %s)\n", state_str[state]);
 
 }
@@ -1367,9 +1374,18 @@ parse_token (token_t token, char *str)
  * Print usage string and exit
  */
 static void
-usage (void)
+usage (gboolean is_error)
 {
-    fprintf(stderr,
+    FILE *output;
+
+    if (!is_error) {
+        output = stdout;
+    }
+    else {
+        output = stderr;
+    }
+
+    fprintf(output,
             "Text2pcap %s"
 #ifdef SVNVERSION
             " (" SVNVERSION " from " SVNPATH ")"
@@ -1456,7 +1472,7 @@ usage (void)
             "",
             VERSION, MAX_PACKET);
 
-    exit(-1);
+    exit(is_error ? 1 : 0);
 }
 
 /*----------------------------------------------------------------------
@@ -1465,7 +1481,7 @@ usage (void)
 static void
 parse_options (int argc, char *argv[])
 {
-    int c;
+    int   c;
     char *p;
 
 #ifdef _WIN32
@@ -1474,10 +1490,10 @@ parse_options (int argc, char *argv[])
 #endif /* _WIN32 */
 
     /* Scan CLI parameters */
-    while ((c = getopt(argc, argv, "Ddhqe:i:l:m:no:u:s:S:t:T:a:4:6:")) != -1) {
-        switch(c) {
-        case '?': usage(); break;
-        case 'h': usage(); break;
+    while ((c = getopt(argc, argv, "aDdhqe:i:l:m:no:u:s:S:t:T:4:6:")) != -1) {
+        switch (c) {
+        case '?': usage(TRUE); break;
+        case 'h': usage(FALSE); break;
         case 'd': if (!quiet) debug++; break;
         case 'D': has_direction = TRUE; break;
         case 'q': quiet = TRUE; debug = FALSE; break;
@@ -1485,12 +1501,12 @@ parse_options (int argc, char *argv[])
         case 'm': max_offset = (guint32)strtol(optarg, NULL, 0); break;
         case 'n': use_pcapng = TRUE; break;
         case 'o':
-            if (optarg[0]!='h' && optarg[0] != 'o' && optarg[0] != 'd') {
+            if (optarg[0] != 'h' && optarg[0] != 'o' && optarg[0] != 'd') {
                 fprintf(stderr, "Bad argument for '-o': %s\n", optarg);
-                usage();
+                usage(TRUE);
             }
-            switch(optarg[0]) {
-            case 'o': offset_base = 8; break;
+            switch (optarg[0]) {
+            case 'o': offset_base =  8; break;
             case 'h': offset_base = 16; break;
             case 'd': offset_base = 10; break;
             }
@@ -1499,7 +1515,7 @@ parse_options (int argc, char *argv[])
             hdr_ethernet = TRUE;
             if (sscanf(optarg, "%x", &hdr_ethernet_proto) < 1) {
                 fprintf(stderr, "Bad argument for '-e': %s\n", optarg);
-                usage();
+                usage(TRUE);
             }
             break;
 
@@ -1509,7 +1525,7 @@ parse_options (int argc, char *argv[])
             if (p == optarg || *p != '\0' || hdr_ip_proto < 0 ||
                   hdr_ip_proto > 255) {
                 fprintf(stderr, "Bad argument for '-i': %s\n", optarg);
-                usage();
+                usage(TRUE);
             }
             hdr_ethernet = TRUE;
             hdr_ethernet_proto = 0x800;
@@ -1523,29 +1539,29 @@ parse_options (int argc, char *argv[])
             hdr_sctp_src   = (guint32)strtol(optarg, &p, 10);
             if (p == optarg || (*p != ',' && *p != '\0')) {
                 fprintf(stderr, "Bad src port for '-%c'\n", c);
-                usage();
+                usage(TRUE);
             }
             if (*p == '\0') {
                 fprintf(stderr, "No dest port specified for '-%c'\n", c);
-                usage();
+                usage(TRUE);
             }
             p++;
             optarg = p;
             hdr_sctp_dest = (guint32)strtol(optarg, &p, 10);
             if (p == optarg || (*p != ',' && *p != '\0')) {
                 fprintf(stderr, "Bad dest port for '-s'\n");
-                usage();
+                usage(TRUE);
             }
             if (*p == '\0') {
                 fprintf(stderr, "No tag specified for '-%c'\n", c);
-                usage();
+                usage(TRUE);
             }
             p++;
             optarg = p;
             hdr_sctp_tag = (guint32)strtol(optarg, &p, 10);
             if (p == optarg || *p != '\0') {
                 fprintf(stderr, "Bad tag for '-%c'\n", c);
-                usage();
+                usage(TRUE);
             }
 
             hdr_ip = TRUE;
@@ -1561,29 +1577,29 @@ parse_options (int argc, char *argv[])
             hdr_sctp_src   = (guint32)strtol(optarg, &p, 10);
             if (p == optarg || (*p != ',' && *p != '\0')) {
                 fprintf(stderr, "Bad src port for '-%c'\n", c);
-                usage();
+                usage(TRUE);
             }
             if (*p == '\0') {
                 fprintf(stderr, "No dest port specified for '-%c'\n", c);
-                usage();
+                usage(TRUE);
             }
             p++;
             optarg = p;
             hdr_sctp_dest = (guint32)strtol(optarg, &p, 10);
             if (p == optarg || (*p != ',' && *p != '\0')) {
                 fprintf(stderr, "Bad dest port for '-s'\n");
-                usage();
+                usage(TRUE);
             }
             if (*p == '\0') {
                 fprintf(stderr, "No ppi specified for '-%c'\n", c);
-                usage();
+                usage(TRUE);
             }
             p++;
             optarg = p;
             hdr_data_chunk_ppid = (guint32)strtoul(optarg, &p, 10);
             if (p == optarg || *p != '\0') {
                 fprintf(stderr, "Bad ppi for '-%c'\n", c);
-                usage();
+                usage(TRUE);
             }
 
             hdr_ip = TRUE;
@@ -1604,18 +1620,18 @@ parse_options (int argc, char *argv[])
             hdr_src_port = (guint32)strtol(optarg, &p, 10);
             if (p == optarg || (*p != ',' && *p != '\0')) {
                 fprintf(stderr, "Bad src port for '-u'\n");
-                usage();
+                usage(TRUE);
             }
             if (*p == '\0') {
                 fprintf(stderr, "No dest port specified for '-u'\n");
-                usage();
+                usage(TRUE);
             }
             p++;
             optarg = p;
             hdr_dest_port = (guint32)strtol(optarg, &p, 10);
             if (p == optarg || *p != '\0') {
                 fprintf(stderr, "Bad dest port for '-u'\n");
-                usage();
+                usage(TRUE);
             }
             hdr_ip = TRUE;
             hdr_ip_proto = 17;
@@ -1631,18 +1647,18 @@ parse_options (int argc, char *argv[])
             hdr_src_port = (guint32)strtol(optarg, &p, 10);
             if (p == optarg || (*p != ',' && *p != '\0')) {
                 fprintf(stderr, "Bad src port for '-T'\n");
-                usage();
+                usage(TRUE);
             }
             if (*p == '\0') {
                 fprintf(stderr, "No dest port specified for '-u'\n");
-                usage();
+                usage(TRUE);
             }
             p++;
             optarg = p;
             hdr_dest_port = (guint32)strtol(optarg, &p, 10);
             if (p == optarg || *p != '\0') {
                 fprintf(stderr, "Bad dest port for '-T'\n");
-                usage();
+                usage(TRUE);
             }
             hdr_ip = TRUE;
             hdr_ip_proto = 6;
@@ -1660,11 +1676,11 @@ parse_options (int argc, char *argv[])
 
             if (!p) {
                 fprintf(stderr, "Bad source param addr for '-%c'\n", c);
-                usage();
+                usage(TRUE);
             }
 
             *p = '\0';
-            if(c == '6')
+            if (c == '6')
             {
                 hdr_ipv6 = TRUE;
                 hdr_ethernet_proto = 0x86DD;
@@ -1677,45 +1693,45 @@ parse_options (int argc, char *argv[])
             hdr_ethernet = TRUE;
 
             if (hdr_ipv6 == TRUE) {
-                if(inet_pton( AF_INET6, optarg, hdr_ipv6_src_addr) <= 0) {
+                if (inet_pton( AF_INET6, optarg, hdr_ipv6_src_addr) <= 0) {
                         fprintf(stderr, "Bad src addr -%c '%s'\n", c, p);
-                        usage();
+                        usage(TRUE);
                 }
             } else {
-                if(inet_pton( AF_INET, optarg, &hdr_ip_src_addr) <= 0) {
+                if (inet_pton( AF_INET, optarg, &hdr_ip_src_addr) <= 0) {
                         fprintf(stderr, "Bad src addr -%c '%s'\n", c, p);
-                        usage();
+                        usage(TRUE);
                 }
             }
 
             p++;
             if (*p == '\0') {
                 fprintf(stderr, "No dest addr specified for '-%c'\n", c);
-                usage();
+                usage(TRUE);
             }
 
             if (hdr_ipv6 == TRUE) {
-                if(inet_pton( AF_INET6, p, hdr_ipv6_dest_addr) <= 0) {
+                if (inet_pton( AF_INET6, p, hdr_ipv6_dest_addr) <= 0) {
                         fprintf(stderr, "Bad dest addr for -%c '%s'\n", c, p);
-                        usage();
+                        usage(TRUE);
                 }
             } else {
-                if(inet_pton( AF_INET, p, &hdr_ip_dest_addr) <= 0) {
+                if (inet_pton( AF_INET, p, &hdr_ip_dest_addr) <= 0) {
                         fprintf(stderr, "Bad dest addr for -%c '%s'\n", c, p);
-                        usage();
+                        usage(TRUE);
                 }
             }
             break;
 
 
         default:
-            usage();
+            usage(TRUE);
         }
     }
 
     if (optind >= argc || argc-optind < 2) {
         fprintf(stderr, "Must specify input and output filename\n");
-        usage();
+        usage(TRUE);
     }
 
     if (strcmp(argv[optind], "-")) {
@@ -1724,7 +1740,7 @@ parse_options (int argc, char *argv[])
         if (!input_file) {
             fprintf(stderr, "Cannot open file [%s] for reading: %s\n",
                     input_filename, g_strerror(errno));
-            exit(-1);
+            exit(1);
         }
     } else {
         input_filename = "Standard input";
@@ -1737,7 +1753,7 @@ parse_options (int argc, char *argv[])
         if (!output_file) {
             fprintf(stderr, "Cannot open file [%s] for writing: %s\n",
                     output_filename, g_strerror(errno));
-            exit(-1);
+            exit(1);
         }
     } else {
         output_filename = "Standard output";
@@ -1747,7 +1763,7 @@ parse_options (int argc, char *argv[])
     /* Some validation */
     if (pcap_link_type != 1 && hdr_ethernet) {
         fprintf(stderr, "Dummy headers (-e, -i, -u, -s, -S -T) cannot be specified with link type override (-l)\n");
-        exit(-1);
+        exit(1);
     }
 
     /* Set up our variables */
@@ -1767,7 +1783,7 @@ parse_options (int argc, char *argv[])
     /* Display summary of our state */
     if (!quiet) {
         fprintf(stderr, "Input from: %s\n", input_filename);
-        fprintf(stderr, "Output to: %s\n", output_filename);
+        fprintf(stderr, "Output to: %s\n",  output_filename);
         fprintf(stderr, "Output format: %s\n", use_pcapng ? "PCAP-NG" : "PCAP");
 
         if (hdr_ethernet) fprintf(stderr, "Generate dummy Ethernet header: Protocol: 0x%0X\n",
@@ -1790,7 +1806,7 @@ main(int argc, char *argv[])
 {
     parse_options(argc, argv);
 
-    assert(input_file != NULL);
+    assert(input_file  != NULL);
     assert(output_file != NULL);
 
     write_file_header();
@@ -1843,11 +1859,11 @@ main(int argc, char *argv[])
  *
  * Local variables:
  * c-basic-offset: 4
- * tab-width: 4
+ * tab-width: 8
  * indent-tabs-mode: nil
  * End:
  *
- * vi: set shiftwidth=4 tabstop=4 expandtab:
- * :indentSize=4:tabSize=4:noTabs=true:
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
  */