diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/make-pci-ids.py | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/tools/make-pci-ids.py b/tools/make-pci-ids.py new file mode 100644 index 0000000000..02c3d18889 --- /dev/null +++ b/tools/make-pci-ids.py @@ -0,0 +1,226 @@ +#!/usr/bin/env python3 +# +# make-pci-ids - Creates a file containing PCI IDs. +# It use the databases from +# https://github.com/pciutils/pciids/raw/master/pci.ids +# to create our file epan/dissectors/pci-ids.c +# +# Wireshark - Network traffic analyzer +# +# By Caleb Chiu <caleb.chiu@macnica.com> +# Copyright 2021 +# +# SPDX-License-Identifier: GPL-2.0-or-later +# + +import re +import string +import sys +import urllib.request, urllib.error, urllib.parse + +OUTPUT_FILE = "epan/pci-ids.c" + +code_prefix = """ * + * Generated by tools/make-pci-ids.py + * By Caleb Chiu <caleb.chiu@macnica.com> + * Copyright 2021 + * + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include <config.h> +#include \"pci-ids.h\" + +typedef struct +{ + guint16 vid; + guint16 did; + guint16 svid; + guint16 ssid; + gchar *name; + +} pci_id_t; + +typedef struct +{ + guint16 vid; + guint16 count; + pci_id_t *ids_ptr; + +} pci_vid_index_t; + +""" + +code_postfix = """ +static pci_vid_index_t *get_vid_index(guint16 vid) +{ + guint32 start_index = 0; + guint32 end_index = 0; + guint32 idx = 0; + + end_index = sizeof(pci_vid_index)/sizeof(pci_vid_index[0]); + + while(start_index != end_index) + { + if(end_index - start_index == 1) + { + if(pci_vid_index[start_index].vid == vid) + return &pci_vid_index[start_index]; + + break; + } + + idx = (start_index + end_index)/2; + + if(pci_vid_index[idx].vid < vid) + start_index = idx; + else + if(pci_vid_index[idx].vid > vid) + end_index = idx; + else + return &pci_vid_index[idx]; + + } + + return NULL; + +} + +const char *pci_id_str(guint16 vid, guint16 did, guint16 svid, guint16 ssid) +{ + unsigned int i; + static char *not_found = \"Not found\"; + pci_vid_index_t *index_ptr; + pci_id_t *ids_ptr; + + index_ptr = get_vid_index(vid); + + if(index_ptr == NULL) + return not_found; + + ids_ptr = index_ptr->ids_ptr; + for(i = 0; i < index_ptr->count; ids_ptr++, i++) + if(vid == ids_ptr->vid && + did == ids_ptr->did && + svid == ids_ptr->svid && + ssid == ids_ptr->ssid) + return ids_ptr->name; + return not_found; + +}""" + + +id_list=[] +count_list=[] + +def main(): + req_headers = { 'User-Agent': 'Wireshark make-pci-ids' } + req = urllib.request.Request('https://github.com/pciutils/pciids/raw/master/pci.ids', headers=req_headers) + response = urllib.request.urlopen(req) + lines = response.read().decode('UTF-8', 'replace').splitlines() + + foutput = open(OUTPUT_FILE, "w", encoding="utf-8") + + print("/* pci-ids.c\n *", file = foutput) + print(" * pci-ids.c is based on the pci.ids of The PCI ID Repository:", file = foutput) + vid = -1 + did = -1 + svid = -1 + ssvid = -1 + entries = 0; + line_num = 0; + + for line in lines: + line = line.strip('\n') + line_num += 1 + + if line_num <= 15: + line = line.replace('#', ' ', 1) + line = line.lstrip() + line = line.replace("GNU General Public License","GPL") + if line: + line = ' * ' + line + else: + line = ' *' + line + print(line, file = foutput) + if line_num == 15: + foutput.write(code_prefix) + + line = line.replace("\\","\\\\") + line = line.replace("\"","\\\"") + line = line.replace("?","?-") + tabs = len(line) - len(line.lstrip('\t')) + if tabs == 0: + #print line + words = line.split(" ", 1) + if len(words) < 2: + continue + if len(words[0]) != 4: + continue + if all(c in string.hexdigits for c in words[0]): + hex_int = int(words[0], 16) + if vid != -1: + print("};/* pci_vid_%04X[] */"% (vid), file = foutput) + print("\n", file = foutput) + count_list.append(entries) + vid = hex_int; + entries = 1; + did = -1 + svid = -1 + ssid = -1 + print("pci_id_t pci_vid_%04X[] = {"% (vid), file = foutput) + print("{0x%04X, 0xFFFF, 0xFFFF, 0xFFFF, \"%s(0x%04X)\"},"% (vid, words[1], vid), file = foutput) + id_list.append(vid); + continue; + + if tabs == 1: + line = line.strip('\t') + words = line.split(" ", 1) + if len(words) < 2: + continue + if len(words[0]) != 4: + continue + if all(c in string.hexdigits for c in words[0]): + hex_int = int(words[0], 16) + did = hex_int + svid = -1 + ssid = -1 + print("{0x%04X, 0x%04X, 0xFFFF, 0xFFFF, \"%s(0x%04X)\"},"% (vid, did, words[1], did), file = foutput) + entries += 1; + continue; + + if tabs == 2: + line = line.strip('\t') + words = line.split(" ", 2) + if len(words[0]) != 4: + continue + if all(c in string.hexdigits for c in words[0]): + hex_int = int(words[0], 16) + svid = hex_int + + if all(c in string.hexdigits for c in words[1]): + hex_int = int(words[1], 16) + ssid = hex_int + print("{0x%04X, 0x%04X, 0x%04X, 0x%04X, \"%s(0x%04X-0x%04X)\"},"% (vid, did, svid, ssid, words[2], svid, ssid), file = foutput) + entries += 1; + svid = -1 + ssid = -1 + continue; + + print("};/* pci_vid_%04X[] */"% (vid), file = foutput) + count_list.append(entries) + + print("\npci_vid_index_t pci_vid_index[] = {", file = foutput) + + length = len(id_list) + for i in range(length): + print("{0x%04X, %d, pci_vid_%04X },"% (id_list[i], count_list[i],id_list[i]), file = foutput) + + print("};/* We have %d VIDs */"% (length), file = foutput) + + foutput.write(code_postfix) + foutput.close() + +if __name__ == '__main__': + main() |