static const guint8 k12_file_magic[] = { 0x00, 0x00, 0x02, 0x00 ,0x12, 0x05, 0x00, 0x10 };
-struct _k12_t {
+typedef struct {
guint32 file_len;
guint32 num_of_records; /* XXX: not sure about this */
GHashTable* src_by_name; /* k12_srcdsc_recs by stack_name */
Buffer extra_info; /* Buffer to hold per packet extra information */
-};
+} k12_t;
typedef struct _k12_src_desc_t {
guint32 input;
* XXX: works at most with 0x1FFF bytes per record
*/
static gint get_record(guint8** bufferp, FILE* fh, gint64 file_offset) {
- static guint8* buffer = NULL;
- static guint buffer_len = 0x2000 ;
- guint bytes_read;
- guint last_read;
- guint actual_len, left;
- guint8 junk[0x14];
- guint8* writep;
-
- /* where the next unknown 0x10 bytes are stuffed to the file */
- guint junky_offset = 0x2000 - (gint) ( (file_offset - 0x200) % 0x2000 );
-
- K12_DBG(6,("get_record: ENTER: junky_offset=%" G_GINT64_MODIFIER "d, file_offset=%" G_GINT64_MODIFIER "d",junky_offset,file_offset));
-
- /* no buffer is given, lets create it */
- if (buffer == NULL) {
- buffer = g_malloc(0x2000);
- buffer_len = 0x2000;
- }
+ static guint8* buffer = NULL;
+ static guint buffer_len = 0x2000 ;
+ guint bytes_read;
+ guint last_read;
+ guint actual_len, left;
+ guint8 junk[0x14];
+ guint8* writep;
+
+ /* where the next unknown 0x10 bytes are stuffed to the file */
+ guint junky_offset = 0x2000 - (gint) ( (file_offset - 0x200) % 0x2000 );
+
+ K12_DBG(6,("get_record: ENTER: junky_offset=%" G_GINT64_MODIFIER "d, file_offset=%" G_GINT64_MODIFIER "d",junky_offset,file_offset));
+
+ /* no buffer is given, lets create it */
+ if (buffer == NULL) {
+ buffer = g_malloc(0x2000);
+ buffer_len = 0x2000;
+ }
- *bufferp = buffer;
+ *bufferp = buffer;
- if ( junky_offset == 0x2000 ) {
- /* the length of the record is 0x10 bytes ahead from we are reading */
- bytes_read = file_read(junk,1,0x14,fh);
+ if ( junky_offset == 0x2000 ) {
+ /* the length of the record is 0x10 bytes ahead from we are reading */
+ bytes_read = file_read(junk,1,0x14,fh);
if (bytes_read == 2 && junk[0] == 0xff && junk[1] == 0xff) {
K12_DBG(1,("get_record: EOF"));
return -1;
}
- memcpy(buffer,&(junk[0x10]),4);
- } else {
- /* the length of the record is right where we are reading */
- bytes_read = file_read(buffer,1, 0x4, fh);
+ memcpy(buffer,&(junk[0x10]),4);
+ } else {
+ /* the length of the record is right where we are reading */
+ bytes_read = file_read(buffer,1, 0x4, fh);
- if (bytes_read == 2 && buffer[0] == 0xff && buffer[1] == 0xff) {
+ if (bytes_read == 2 && buffer[0] == 0xff && buffer[1] == 0xff) {
K12_DBG(1,("get_record: EOF"));
return 0;
} else if ( bytes_read != 0x4 ) {
K12_DBG(1,("get_record: SHORT READ"));
return -1;
}
- }
+ }
- actual_len = left = pntohl(buffer);
- junky_offset -= 0x4;
+ actual_len = left = pntohl(buffer);
+ junky_offset -= 0x4;
- K12_DBG(5,("get_record: GET length=%u",left));
+ K12_DBG(5,("get_record: GET length=%u",left));
- /* XXX - Is WTAP_MAX_PACKET_SIZE */
- if (left < 4 || left > WTAP_MAX_PACKET_SIZE) {
- K12_DBG(1,("get_record: Invalid GET length=%u",left));
- errno = WTAP_ERR_BAD_RECORD;
- return -1;
- }
+ /* XXX - Is WTAP_MAX_PACKET_SIZE */
+ if (left < 4 || left > WTAP_MAX_PACKET_SIZE) {
+ K12_DBG(1,("get_record: Invalid GET length=%u",left));
+ errno = WTAP_ERR_BAD_RECORD;
+ return -1;
+ }
- while (left > buffer_len) *bufferp = buffer = g_realloc(buffer,buffer_len*=2);
+ while (left > buffer_len) *bufferp = buffer = g_realloc(buffer,buffer_len*=2);
- writep = buffer + 4;
- left -= 4;
+ writep = buffer + 4;
+ left -= 4;
- do {
- K12_DBG(6,("get_record: looping left=%d junky_offset=%" G_GINT64_MODIFIER "d",left,junky_offset));
+ do {
+ K12_DBG(6,("get_record: looping left=%d junky_offset=%" G_GINT64_MODIFIER "d",left,junky_offset));
- if (junky_offset > left) {
- bytes_read += last_read = file_read(writep,1, left, fh);
+ if (junky_offset > left) {
+ bytes_read += last_read = file_read(writep,1, left, fh);
- if ( last_read != left ) {
- K12_DBG(1,("get_record: SHORT READ"));
- return -1;
- } else {
- K12_HEXDMP(5,file_offset, "GOT record", buffer, actual_len);
- return bytes_read;
- }
- } else {
- bytes_read += last_read = file_read(writep,1, junky_offset, fh);
+ if ( last_read != left ) {
+ K12_DBG(1,("get_record: SHORT READ"));
+ return -1;
+ } else {
+ K12_HEXDMP(5,file_offset, "GOT record", buffer, actual_len);
+ return bytes_read;
+ }
+ } else {
+ bytes_read += last_read = file_read(writep,1, junky_offset, fh);
- if ( last_read != junky_offset ) {
- K12_DBG(1,("get_record: SHORT READ, read=%d expected=%d",last_read, junky_offset));
- return -1;
- }
+ if ( last_read != junky_offset ) {
+ K12_DBG(1,("get_record: SHORT READ, read=%d expected=%d",last_read, junky_offset));
+ return -1;
+ }
- writep += last_read;
+ writep += last_read;
- bytes_read += last_read = file_read(junk,1, 0x10, fh);
+ bytes_read += last_read = file_read(junk,1, 0x10, fh);
- if ( last_read != 0x10 ) {
- K12_DBG(1,("get_record: SHORT READ"));
- return -1;
- }
+ if ( last_read != 0x10 ) {
+ K12_DBG(1,("get_record: SHORT READ"));
+ return -1;
+ }
- left -= junky_offset;
- junky_offset = 0x2000;
- }
+ left -= junky_offset;
+ junky_offset = 0x2000;
+ }
- } while(left);
+ } while(left);
- K12_HEXDMP(5,file_offset, "GOT record", buffer, actual_len);
- return bytes_read;
+ K12_HEXDMP(5,file_offset, "GOT record", buffer, actual_len);
+ return bytes_read;
}
static gboolean k12_read(wtap *wth, int *err, gchar **err_info _U_, gint64 *data_offset) {
+ k12_t *k12 = (k12_t *)wth->priv;
k12_src_desc_t* src_desc;
guint8* buffer = NULL;
gint64 offset;
- long len;
+ gint len;
guint32 type;
- guint32 src_id;
+ guint32 src_id;
guint64 ts;
guint32 extra_len;
/* ignore the record if it isn't a packet */
do {
- K12_DBG(5,("k12_read: offset=%i",offset));
+ K12_DBG(5,("k12_read: offset=%i",offset));
*data_offset = offset;
src_id = pntohl(buffer + K12_RECORD_SRC_ID);
- if ( ! (src_desc = g_hash_table_lookup(wth->capture.k12->src_by_id,GUINT_TO_POINTER(src_id))) ) {
- /*
- * Some records from K15 files have a port ID of an undeclared
- * interface which happens to be the only one with the first byte changed.
- * It is still unknown how to recognize when this happens.
- * If the lookup of the interface record fails we'll mask it
- * and retry.
- */
- src_desc = g_hash_table_lookup(wth->capture.k12->src_by_id,GUINT_TO_POINTER(src_id&K12_RECORD_SRC_ID_MASK));
- }
+ if ( ! (src_desc = g_hash_table_lookup(k12->src_by_id,GUINT_TO_POINTER(src_id))) ) {
+ /*
+ * Some records from K15 files have a port ID of an undeclared
+ * interface which happens to be the only one with the first byte changed.
+ * It is still unknown how to recognize when this happens.
+ * If the lookup of the interface record fails we'll mask it
+ * and retry.
+ */
+ src_desc = g_hash_table_lookup(k12->src_by_id,GUINT_TO_POINTER(src_id&K12_RECORD_SRC_ID_MASK));
+ }
K12_DBG(5,("k12_read: record type=%x src_id=%x",type,src_id));
memcpy(buffer_start_ptr(wth->frame_buffer), buffer + K12_PACKET_FRAME, wth->phdr.caplen);
/* extra information need by some protocols */
- buffer_assure_space(&(wth->capture.k12->extra_info), extra_len);
- memcpy(buffer_start_ptr(&(wth->capture.k12->extra_info)),
+ buffer_assure_space(&(k12->extra_info), extra_len);
+ memcpy(buffer_start_ptr(&(k12->extra_info)),
buffer + K12_PACKET_FRAME + wth->phdr.caplen, extra_len);
- wth->pseudo_header.k12.extra_info = (void*)buffer_start_ptr(&(wth->capture.k12->extra_info));
+ wth->pseudo_header.k12.extra_info = (void*)buffer_start_ptr(&(k12->extra_info));
wth->pseudo_header.k12.extra_length = extra_len;
wth->pseudo_header.k12.input = src_id;
K12_DBG(5,("k12_read: wth->pseudo_header.k12.input=%x wth->phdr.len=%i input_name='%s' stack_file='%s' type=%x",
- wth->pseudo_header.k12.input,wth->phdr.len,src_desc->input_name,src_desc->stack_file,src_desc->input_type));\
-
- wth->pseudo_header.k12.input_name = src_desc->input_name;
- wth->pseudo_header.k12.stack_file = src_desc->stack_file;
- wth->pseudo_header.k12.input_type = src_desc->input_type;
-
- switch(src_desc->input_type) {
- case K12_PORT_ATMPVC:
- if ((long)(K12_PACKET_FRAME + wth->phdr.len + K12_PACKET_OFFSET_CID) < len) {
- wth->pseudo_header.k12.input_info.atm.vp = pntohs(buffer + (K12_PACKET_FRAME + wth->phdr.caplen + K12_PACKET_OFFSET_VP));
- wth->pseudo_header.k12.input_info.atm.vc = pntohs(buffer + (K12_PACKET_FRAME + wth->phdr.caplen + K12_PACKET_OFFSET_VC));
- wth->pseudo_header.k12.input_info.atm.cid = *((unsigned char*)(buffer + K12_PACKET_FRAME + wth->phdr.len + K12_PACKET_OFFSET_CID));
- break;
- }
- /* Fall through */
- default:
- memcpy(&(wth->pseudo_header.k12.input_info),&(src_desc->input_info),sizeof(src_desc->input_info));
- break;
+ wth->pseudo_header.k12.input,wth->phdr.len,src_desc->input_name,src_desc->stack_file,src_desc->input_type));\
- }
+ wth->pseudo_header.k12.input_name = src_desc->input_name;
+ wth->pseudo_header.k12.stack_file = src_desc->stack_file;
+ wth->pseudo_header.k12.input_type = src_desc->input_type;
- wth->pseudo_header.k12.stuff = wth->capture.k12;
+ switch(src_desc->input_type) {
+ case K12_PORT_ATMPVC:
+ if ((long)(K12_PACKET_FRAME + wth->phdr.len + K12_PACKET_OFFSET_CID) < len) {
+ wth->pseudo_header.k12.input_info.atm.vp = pntohs(buffer + (K12_PACKET_FRAME + wth->phdr.caplen + K12_PACKET_OFFSET_VP));
+ wth->pseudo_header.k12.input_info.atm.vc = pntohs(buffer + (K12_PACKET_FRAME + wth->phdr.caplen + K12_PACKET_OFFSET_VC));
+ wth->pseudo_header.k12.input_info.atm.cid = *((unsigned char*)(buffer + K12_PACKET_FRAME + wth->phdr.len + K12_PACKET_OFFSET_CID));
+ break;
+ }
+ /* Fall through */
+ default:
+ memcpy(&(wth->pseudo_header.k12.input_info),&(src_desc->input_info),sizeof(src_desc->input_info));
+ break;
+
+ }
+
+ wth->pseudo_header.k12.stuff = k12;
return TRUE;
}
static gboolean k12_seek_read(wtap *wth, gint64 seek_off, union wtap_pseudo_header *pseudo_header, guchar *pd, int length, int *err _U_, gchar **err_info _U_) {
+ k12_t *k12 = (k12_t *)wth->priv;
k12_src_desc_t* src_desc;
guint8* buffer;
- long len;
+ gint len;
guint32 extra_len;
guint32 input;
memcpy(pd, buffer + K12_PACKET_FRAME, length);
extra_len = len - K12_PACKET_FRAME - length;
- buffer_assure_space(&(wth->capture.k12->extra_info), extra_len);
- memcpy(buffer_start_ptr(&(wth->capture.k12->extra_info)),
+ buffer_assure_space(&(k12->extra_info), extra_len);
+ memcpy(buffer_start_ptr(&(k12->extra_info)),
buffer + K12_PACKET_FRAME + length, extra_len);
- wth->pseudo_header.k12.extra_info = (void*)buffer_start_ptr(&(wth->capture.k12->extra_info));
+ wth->pseudo_header.k12.extra_info = (void*)buffer_start_ptr(&(k12->extra_info));
wth->pseudo_header.k12.extra_length = extra_len;
if (pseudo_header) {
- pseudo_header->k12.extra_info = (void*)buffer_start_ptr(&(wth->capture.k12->extra_info));
+ pseudo_header->k12.extra_info = (void*)buffer_start_ptr(&(k12->extra_info));
pseudo_header->k12.extra_length = extra_len;
}
input = pntohl(buffer + K12_RECORD_SRC_ID);
K12_DBG(5,("k12_seek_read: input=%.8x",input));
- if ( ! (src_desc = g_hash_table_lookup(wth->capture.k12->src_by_id,GUINT_TO_POINTER(input))) ) {
+ if ( ! (src_desc = g_hash_table_lookup(k12->src_by_id,GUINT_TO_POINTER(input))) ) {
/*
* Some records from K15 files have a port ID of an undeclared
* interface which happens to be the only one with the first byte changed.
* If the lookup of the interface record fails we'll mask it
* and retry.
*/
- src_desc = g_hash_table_lookup(wth->capture.k12->src_by_id,GUINT_TO_POINTER(input&K12_RECORD_SRC_ID_MASK));
+ src_desc = g_hash_table_lookup(k12->src_by_id,GUINT_TO_POINTER(input&K12_RECORD_SRC_ID_MASK));
}
if (src_desc) {
if (pseudo_header) {
pseudo_header->k12.input = input;
- pseudo_header->k12.stuff = wth->capture.k12;
+ pseudo_header->k12.stuff = k12;
}
wth->pseudo_header.k12.input = input;
- wth->pseudo_header.k12.stuff = wth->capture.k12;
+ wth->pseudo_header.k12.stuff = k12;
K12_DBG(5,("k12_seek_read: DONE OK"));
}
static void k12_close(wtap *wth) {
- destroy_k12_file_data(wth->capture.k12);
+ k12_t *k12 = (k12_t *)wth->priv;
+
+ destroy_k12_file_data(k12);
+ wth->priv = NULL; /* destroy_k12_file_data freed it */
#ifdef DEBUG_K12
K12_DBG(5,("k12_close: CLOSED"));
if (env_file) fclose(dbg_out);
if ( len <= 0 ) {
K12_DBG(1,("k12_open: BAD HEADER RECORD",len));
+ destroy_k12_file_data(file_data);
+ g_free(file_data);
return -1;
}
*/
if (file_seek(wth->fh, offset, SEEK_SET, err) == -1) {
destroy_k12_file_data(file_data);
+ g_free(file_data);
return -1;
}
K12_DBG(5,("k12_open: FIRST PACKET offset=%x",offset));
g_free(rec);
K12_DBG(5,("k12_open: failed (name_len == 0 || stack_len == 0 "
"|| 0x20 + extra_len + name_len + stack_len > rec_len) extra_len=%i name_len=%i stack_len=%i"));
+ destroy_k12_file_data(file_data);
+ g_free(file_data);
return 0;
}
wth->subtype_read = k12_read;
wth->subtype_seek_read = k12_seek_read;
wth->subtype_close = k12_close;
- wth->capture.k12 = file_data;
+ wth->priv = (void *)file_data;
wth->tsprecision = WTAP_FILE_TSPREC_NSEC;
return 1;
}
+typedef struct {
+ guint32 file_len;
+ guint32 num_of_records;
+ guint32 file_offset;
+} k12_dump_t;
+
int k12_dump_can_write_encap(int encap) {
if (encap == WTAP_ENCAP_PER_PACKET)
return TRUE;
}
-static gboolean k12_dump_record(wtap_dumper *wdh, long len, guint8* buffer, int *err_p) {
- long junky_offset = (0x2000 - ( (wdh->dump.k12->file_offset - 0x200) % 0x2000 )) % 0x2000;
+static gboolean k12_dump_record(wtap_dumper *wdh, guint32 len, guint8* buffer, int *err_p) {
+ k12_dump_t *k12 = (k12_dump_t *)wdh->priv;
+ guint32 junky_offset = (0x2000 - ( (k12->file_offset - 0x200) % 0x2000 )) % 0x2000;
if (len > junky_offset) {
if (junky_offset) {
if (! do_fwrite(buffer+junky_offset, 1, len - junky_offset, wdh->fh, err_p))
return FALSE;
- wdh->dump.k12->file_offset += len + 0x10;
+ k12->file_offset += len + 0x10;
} else {
if (! do_fwrite(buffer, 1, len, wdh->fh, err_p))
return FALSE;
- wdh->dump.k12->file_offset += len;
+ k12->file_offset += len;
}
- wdh->dump.k12->num_of_records++;
+ k12->num_of_records++;
return TRUE;
}
static gboolean k12_dump(wtap_dumper *wdh, const struct wtap_pkthdr *phdr,
const union wtap_pseudo_header *pseudo_header,
const guchar *pd, int *err) {
- long len;
+ k12_dump_t *k12 = (k12_dump_t *)wdh->priv;
+ guint32 len;
union {
guint8 buffer[0x2000];
struct {
} record;
} obj;
- if (wdh->dump.k12->num_of_records == 0) {
+ if (k12->num_of_records == 0) {
k12_t* file_data = pseudo_header->k12.stuff;
/* XXX: We'll assume that any fwrite errors in k12_dump_src_setting will */
/* repeat during the final k12_dump_record at the end of k12_dump */
static const guint8 k12_eof[] = {0xff,0xff};
static gboolean k12_dump_close(wtap_dumper *wdh, int *err) {
+ k12_dump_t *k12 = (k12_dump_t *)wdh->priv;
union {
guint8 b[sizeof(guint32)];
guint32 u;
return FALSE;
}
- d.u = g_htonl(wdh->dump.k12->file_len);
+ d.u = g_htonl(k12->file_len);
if (! do_fwrite(d.b, 1, 4, wdh->fh, err))
return FALSE;
- d.u = g_htonl(wdh->dump.k12->num_of_records);
+ d.u = g_htonl(k12->num_of_records);
if (! do_fwrite(d.b, 1, 4, wdh->fh, err))
return FALSE;
gboolean k12_dump_open(wtap_dumper *wdh, gboolean cant_seek, int *err) {
+ k12_dump_t *k12;
if (cant_seek) {
*err = WTAP_ERR_CANT_WRITE_TO_PIPE;
wdh->subtype_write = k12_dump;
wdh->subtype_close = k12_dump_close;
- wdh->dump.k12 = g_malloc(sizeof(k12_dump_t));
- wdh->dump.k12->file_len = 0x200;
- wdh->dump.k12->num_of_records = 0;
- wdh->dump.k12->file_offset = 0x200;
+ k12 = (k12_dump_t *)g_malloc(sizeof(k12_dump_t));
+ wdh->priv = (void *)k12;
+ k12->file_len = 0x200;
+ k12->num_of_records = 0;
+ k12->file_offset = 0x200;
return TRUE;
}