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ndiswrapper.c
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ndiswrapper.c
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/*
* Ndiswrapper manager, initially written for GeeXboX
* Copyright (C) 2006-2007 Mathieu Schroeter <[email protected]>
* Andrew Calkin <[email protected]>
*
* Based on the original ndiswrapper-1.21 to 1.47 Perl script
* by Pontus Fuchs and Giridhar Pemmasani, 2005-2007
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <ctype.h> /* toupper tolower */
#include <sys/types.h> /* size_t */
#include <sys/stat.h> /* stat */
#include <dirent.h> /* opendir closedir readdir */
#include <regex.h> /* regexec regfree regcomp */
#include <string.h> /* strcat strcpy strcmp strcasecmp strncasecmp strchr strrchr strlen strncpy */
#ifdef _WIN32
#include <io.h> /* open close read write mkdir rmdir */
#else /* _WIN32 */
#include <unistd.h> /* open close read write symlink mkdir rmdir */
#endif /* !_WIN32 */
#define LINEBUFFER 512
#define STRBUFFER 256
#define WRAP_PCI_BUS 5
#define WRAP_PCMCIA_BUS 8
#define WRAP_USB_BUS 15
#define CONFDIR "/etc/ndiswrapper"
#define ICASE 1
#define SCASE 0
/* regexec : must be a multiple of 3 */
#define OVECCOUNT 30
/* patterns */
#define PS1 "([^,]*),([^,]*),([^,]*),([^,]*),(.*)"
#define PS2 "ndi\\\\params\\\\(.+)"
#define PS3 "(.+)\\\\.*"
#define PS4 "PCI\\\\VEN_([0-9A-Za-z]+)&DEV_([0-9A-Za-z]+)&SUBSYS_([0-9A-Za-z]{4})([^[:space:]]{4})"
#define PS5 "PCI\\\\VEN_([0-9A-Za-z]+)&DEV_([0-9A-Za-z]+)"
#define PS6 "USB\\\\VID_([0-9A-Za-z]+)&PID_([0-9A-Za-z]+)"
/* this is required on windows */
#ifndef O_BINARY
#define O_BINARY (0)
#endif /* O_BINARY */
/* Use structure for replace Perl hash */
typedef struct def_section_s {
char name[STRBUFFER];
char **data;
unsigned int datalen;
} def_section_t;
typedef struct def_strver_s {
char key[STRBUFFER];
char val[STRBUFFER];
} def_strver_t;
typedef struct def_fixlist_s {
char n[20];
char m[20];
} def_fixlist_t;
static inline int
my_mkdir (const char *path)
{
#ifdef _WIN32
return mkdir (path);
#else /* _WIN32 */
return mkdir (path, 0777);
#endif /* !_WIN32 */
}
/* global variables */
static unsigned int nb_sections = 0;
static char *confdir = CONFDIR;
static char alt_install_file[STRBUFFER];
static unsigned int alt_install = 0;
static unsigned int nb_driver = 0;
static def_section_t **sections;
static def_strver_t strings[LINEBUFFER];
static def_strver_t version[STRBUFFER];
static def_strver_t fuzzlist[STRBUFFER];
static def_strver_t buslist[STRBUFFER];
static unsigned int nb_strings = 0;
static unsigned int nb_version = 0;
static unsigned int nb_fuzzlist = 0;
static unsigned int nb_buslist = 0;
static def_fixlist_t param_fixlist[5];
static char driver_name[STRBUFFER];
static char instdir[STRBUFFER];
static char classguid[STRBUFFER];
static char sys_files[STRBUFFER] = "";
static int bus;
/*
* Hashing processing
* ------------------
* - getString : get "strings" value from a key
* - getVersion : get "version" value from a key
* - getFuzzlist : get "fuzz" value from a key
* - getBuslist : get "bus" value from key
* - getFixlist : get "fix" value from a defined value (main init)
* - def_strings : put a key and value to the strings table
* - def_version : put a key and value to the version table
* - def_fuzzlist : put a key and value to the fuzzlist table
* - def_buslist : put a key and value to the buslist table
*
*/
static char *
getString (char *s)
{
unsigned int i = 0;
do
{
if (!strcmp (strings[i].key, s))
{
strcpy (s, strings[i].val);
break;
}
i++;
}
while (i < nb_strings && i < sizeof (strings) / sizeof (strings[0]));
return s;
}
static char *
getVersion (char *s)
{
unsigned int i = 0;
do
{
if (!strcmp (version[i].key, s))
{
strcpy (s, version[i].val);
break;
}
i++;
}
while (i < nb_version && i < sizeof (version) / sizeof (version[0]));
return s;
}
static char *
getFuzzlist (char *s)
{
unsigned int i = 0;
do
{
if (!strcmp (fuzzlist[i].key, s))
{
strcpy (s, fuzzlist[i].val);
break;
}
i++;
}
while (i < nb_fuzzlist && i < sizeof (fuzzlist) / sizeof (fuzzlist[0]));
return s;
}
static char *
getBuslist (char *s)
{
unsigned int i = 0;
do
{
if (!strcmp (buslist[i].key, s))
{
strcpy (s, buslist[i].val);
break;
}
i++;
}
while (i < nb_buslist && i < sizeof (buslist) / sizeof (buslist[0]));
return s;
}
static char *
getFixlist (char *s)
{
unsigned int i = 0;
do
{
if (!strcmp (param_fixlist[i].n, s))
{
strcpy (s, param_fixlist[i].m);
break;
}
i++;
}
while (i < sizeof (param_fixlist) / sizeof (param_fixlist[0]));
return s;
}
static void
def_strings (const char *key, const char *val)
{
unsigned int i = 0;
do
{
if (!strcmp (strings[i].key, key))
{
strcpy (strings[i].val, val);
break;
}
if (i == nb_strings)
{
strcpy (strings[i].key, key);
strcpy (strings[i].val, val);
nb_strings++;
break;
}
i++;
}
while (i <= nb_strings && i < sizeof (strings) / sizeof (strings[0]));
}
static void
def_version (const char *key, const char *val)
{
unsigned int i = 0;
do
{
if (!strcmp (version[i].key, key))
{
strcpy (version[i].val, val);
break;
}
if (i == nb_version)
{
strcpy (version[i].key, key);
strcpy (version[i].val, val);
nb_version++;
break;
}
i++;
}
while (i <= nb_version && i < sizeof (version) / sizeof (version[0]));
}
static void
def_fuzzlist (const char *key, const char *val)
{
unsigned int i = 0;
do
{
if (!strcmp (fuzzlist[i].key, key))
{
strcpy (fuzzlist[i].val, val);
break;
}
if (i == nb_fuzzlist)
{
strcpy (fuzzlist[i].key, key);
strcpy (fuzzlist[i].val, val);
nb_fuzzlist++;
break;
}
i++;
}
while (i <= nb_fuzzlist && i < sizeof (fuzzlist) / sizeof (fuzzlist[0]));
}
static void
def_buslist (const char *key, const char *val)
{
unsigned int i = 0;
do
{
if (!strcmp (buslist[i].key, key))
{
strcpy (buslist[i].val, val);
break;
}
if (i == nb_buslist)
{
strcpy (buslist[i].key, key);
strcpy (buslist[i].val, val);
nb_buslist++;
break;
}
i++;
}
while (i <= nb_buslist && i < sizeof (buslist) / sizeof (buslist[0]));
}
/*
* Others
* ------
* - regex : regular expressions
* - getSection : get a section pointer
* - unisort : sort and unify a table
* - usage : help
*
*/
static int
regex (const char *str_request, const char *str_regex,
char rmatch[][STRBUFFER], int icase)
{
int err, match, start, end, res = 0;
unsigned int i;
char *text = NULL;
size_t nmatch = 0;
size_t size;
regex_t preg;
regmatch_t *pmatch = NULL;
err = regcomp (&preg, str_regex,
icase ? REG_EXTENDED | REG_ICASE : REG_EXTENDED);
if (err == 0)
{
nmatch = preg.re_nsub;
pmatch = malloc (sizeof (*pmatch) * OVECCOUNT);
if (pmatch)
{
match = regexec (&preg, str_request, OVECCOUNT, pmatch, 0);
regfree (&preg);
if (match == 0)
{
for (i = 0; i <= nmatch; i++)
{
start = pmatch[i].rm_so;
end = pmatch[i].rm_eo;
size = end - start;
text = malloc (sizeof (*text) * (size + 1));
if (text)
{
strncpy (text, &str_request[start], size);
text[size] = '\0';
strcpy (rmatch[i], text);
free (text);
}
}
res = 1;
}
free (pmatch);
}
}
if (!res)
rmatch[0][0] = '\0';
return res;
}
static def_section_t *
getSection (const char *needle)
{
unsigned int i;
for (i = 0; i < nb_sections; i++)
if (!strcasecmp (sections[i]->name, needle))
return sections[i];
return NULL;
}
static void
unisort (char tab[][STRBUFFER], unsigned int *last)
{
unsigned int i, j;
int change = 1;
char tmp[STRBUFFER];
while (change)
{
change = 0;
for (i = 0; i < *last - 1; i++)
{
for (j = 0; j < i; j++)
if (!strcmp (tab[i], tab[j]))
{
*last = *last - 1;
strcpy (tab[i], tab[*last]);
change = 1;
}
if (strcmp (tab[i + 1], tab[i]) < 0)
{
strcpy (tmp, tab[i]);
strcpy (tab[i], tab[i + 1]);
strcpy (tab[i + 1], tmp);
change = 1;
}
}
}
}
static void
usage (void)
{
printf ("Usage: ndiswrapper OPTION [-o]\n\n");
printf ("Manage ndis drivers for ndiswrapper.\n");
printf ("-i inffile Install driver described by 'inffile'\n");
printf (" Optionally with:\n");
printf (" -a Use alternate output format\n");
/*
printf ("-d devid driver Use installed 'driver' for 'devid'\n");
*/
printf ("-e driver Remove 'driver'\n");
/*
printf ("-l List installed drivers\n");
printf ("-m Write configuration for modprobe\n");
printf ("-da Write module alias configuration for all devices\n");
printf ("-di Write module install configuration for all devices\n");
printf ("-v Report version information\n");
printf ("\n\nwhere 'devid' is either PCIID or USBID of the form XXXX:XXXX\n");
*/
printf ("\nOptional:\n");
printf ("-o output_dir Use alternate install directory 'output_dir'\n");
printf (" (default: '/etc/ndiswrapper')\n");
}
/*
* Strings processing
* ------------------
* - uc : string to upper case
* - ul : string to lower case
* - trim : remove spaces at the left and the right
* - stripquotes : remove quotes
* - remComment : remove INF comments
* - substStr : substitute a string from the strings table
* - getKeyVal : split a line for get the key and the value
*
*/
static char *
uc (char *data)
{
int i;
for (i = 0; data[i] != '\0'; i++)
data[i] = toupper (data[i]);
return data;
}
static char *
lc (char *data)
{
int i;
for (i = 0; data[i] != '\0'; i++)
data[i] = tolower (data[i]);
return data;
}
static char *
trim (char *s)
{
char *ptr, *copy;
copy = s;
ptr = strchr (s, '\0');
while (ptr > s && (*(ptr-1) == ' '
|| *(ptr-1) == '\t'
|| *(ptr-1) == '\r'
|| *(ptr-1) == '\n'))
ptr--;
*ptr = '\0';
ptr = s;
while (*ptr == ' ' || *ptr == '\t')
ptr++;
do
{
*(copy++) = *ptr;
}
while (*(ptr++));
return s;
}
static char *
stripquotes (char *s)
{
char *start, *end, *copy;
start = strchr (s, '"');
if (!start)
return s;
end = strchr (start + 1, '"');
if (!end)
return s;
*end = '\0';
copy = strdup (start + 1);
strcpy (s, copy);
free (copy);
return s;
}
static char *
remComment (char *s)
{
char *comment;
comment = strchr (s, ';');
if (comment)
*comment = '\0';
return s;
}
static char *
substStr (char *s)
{
char *lbracket, *rbracket;
lbracket = strchr (s,'%');
rbracket = strrchr (s,'%');
if (lbracket && rbracket
&& lbracket != rbracket && s[rbracket-lbracket+1] == '\0')
{
strncpy (s, lbracket + 1, rbracket - lbracket - 1);
s[rbracket - lbracket - 1] = '\0';
getString (s);
}
return s;
}
static void
getKeyVal (const char *line, char tmp[2][STRBUFFER])
{
char *ptr;
ptr = strchr (line, '=');
if (ptr)
{
strncpy (tmp[0], line, ptr - line);
tmp[0][ptr - line] = '\0';
strcpy (tmp[1], ptr + 1);
trim (tmp[0]);
trim (tmp[1]);
}
else
{
tmp[0][0] = '\0';
tmp[1][0] = '\0';
}
}
/*
* Files processing
* ----------------
* - finddir : depend of copy_file
* - findfile : depend of copy_file
* - copy : copy file processing
* - copy_file : search the real name of the file
* - copyfiles : search files for the copy
* - file_exists : test if a file exists
* - rmtree : remove a dir
*
*/
static int
finddir (char *file)
{
unsigned int i = 0;
int res = -1;
char sp[2][STRBUFFER], *ptr1, *ptr2;
def_section_t *sourcedisksfiles = NULL;
sourcedisksfiles = getSection ("sourcedisksfiles");
if (!sourcedisksfiles)
{
file[0] = '\0';
return -1;
}
for (i = 0; i < sourcedisksfiles->datalen; i++)
{
ptr1 = sourcedisksfiles->data[i];
ptr2 = strchr (sourcedisksfiles->data[i], '=');
if (!ptr2)
continue;
strncpy (sp[0], ptr1, ptr2 - ptr1);
sp[0][ptr2 - ptr1] = '\0';
trim (sp[0]);
ptr2 = strrchr (ptr1, ',');
if (!ptr2)
continue;
strcpy (sp[1], ptr2 + 1);
trim (sp[1]);
if (res == -1
&& sp[0][0] != '\0'
&& sp[1][0] != '\0'
&& !strcasecmp (sp[0], file))
{
strcpy (file, sp[1]);
res = 1;
}
}
if (res == -1)
file[0] = '\0';
return res;
}
static int
findfile (const char *dir, char *file)
{
char path[STRBUFFER];
DIR *d;
struct dirent *dp;
snprintf (path, sizeof (path), "%s/%s", instdir, dir);
if (!(d = opendir (path)))
{
printf ("Unable to open %s\n", instdir);
file[0] = '\0';
return -1;
}
while ((dp = readdir(d)))
if (!strcasecmp (file, dp->d_name))
{
closedir (d);
strcpy (file, dp->d_name);
return 1;
}
closedir (d);
file[0] = '\0';
return -1;
}
static int
copy (const char *file_src, const char *file_dst, int mod)
{
int infile = 0;
int outfile = 1;
int nbytes;
char rwbuf[1024];
if ((infile = open (file_src, O_RDONLY | O_BINARY)) == -1)
{
printf ("Unable to open %s file read-only!\n", file_src);
return -1;
}
if ((outfile =
open (file_dst, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, mod)) == -1)
{
printf ("Unable to open %s file for create/write/appending!\n", file_dst);
return -1;
}
while ((nbytes = read (infile, rwbuf, 1024)) > 0)
write (outfile, rwbuf, nbytes);
close (infile);
close (outfile);
return 1;
}
static void
copy_file (char *file)
{
int nocopy = 0;
char *ptr;
char newname[STRBUFFER];
char src[STRBUFFER], dst[STRBUFFER];
char dir[STRBUFFER];
char realname[STRBUFFER];
ptr = file;
if (file[0] == ';')
while (*ptr != '\0')
{
*ptr = *(ptr + 1);
ptr++;
}
trim (remComment (file));
strcpy (dir, file);
finddir (dir);
if (dir[0] != '\0')
findfile ("", dir);
strcpy (realname, file);
findfile (dir, realname);
if (realname[0] != '\0')
{
strcpy (newname, realname);
if (dir[0] != '\0')
snprintf (realname, sizeof (realname), "%s/%s", dir, newname);
lc (newname);
if (!nocopy)
{
snprintf (src, sizeof (src), "%s/%s", instdir, realname);
snprintf (dst, sizeof (dst), "%s/%s/%s", confdir, driver_name, newname);
copy (src, dst, 0644);
}
}
}
static int
copyfiles (const char *copy_name)
{
unsigned int i = 0, k, l;
char *copy_ptr;
char **files;
char *tmp;
def_section_t *copy = NULL;
if (copy_name[0] == '@')
{
copy_ptr = strdup (copy_name+1);
copy_file (copy_ptr);
if (!strstr (sys_files, lc (copy_ptr)) && strstr (copy_ptr, ".sys"))
snprintf (sys_files, sizeof (sys_files), "%s%s ", sys_files, copy_ptr);
free (copy_ptr);
return 1;
}
copy = getSection (copy_name);
if (!copy)
{
printf ("Parse error in inf. Unable to find section %s\n", copy_name);
return -1;
}
files = malloc (LINEBUFFER * sizeof (char *));
memset (files, 0, LINEBUFFER * sizeof (char *));
for (i = 0; i < copy->datalen; i++)
{
if (copy->data[i][0] == '[')
break;
/* Split */
k = 0;
if ((tmp = strtok (copy->data[i], ",")) != NULL)
{
files[k] = strdup (tmp);
while ((tmp = strtok (NULL, ",")) != NULL)
{
files[++k] = strdup (tmp);
*(tmp - 1) = ',';
}
}
else
files[k] = strdup (copy->data[i]);
l = k + 1;
for (k = 0; k < l; k++)
{
trim (files[k]);
if (strlen (files[k]) > 0)
{
copy_file (files[k]);
if (!strstr (sys_files, lc (files[k])) && strstr (files[k], ".sys"))
snprintf (sys_files, sizeof (sys_files),
"%s%s ", sys_files, files[k]);
}
free (files[k]);
}
}
free (files);
return 0;
}
static int
file_exists (const char *file)
{
struct stat st;
if (stat (file, &st) < 0)
return 0;
return 1;
}
static int
rmtree (const char *dir)
{
char file[STRBUFFER];
DIR *d;
struct dirent *dp;
d = opendir (dir);
while ((dp = readdir (d)))
{
if (strcmp (dp->d_name, ".") != 0 || strcmp (dp->d_name, "..") != 0)
{
snprintf (file, sizeof (file), "%s/%s", dir, dp->d_name);
unlink (file);
}
}
if (rmdir (dir) == 0)
return 1;
return 0;
}
/*
* Parsers
* -------
* - addPCIFuzzEntry : add device in the fuzzlist
* - addReg : add registry to the conf
* - parseDevice : parse device informations and write conf file
* - parseID : parse device ID informations (PCI and USB)
* - parseVendor : parse vendor informations
* - parseMfr : parse manufacturer informations
* - parseVersion : parse version informations
*
*/
static void
addPCIFuzzEntry (const char *vendor, const char *device,
const char *subvendor, const char *subdevice,
const char *bt)
{
char s[STRBUFFER], s2[STRBUFFER];
char fuzz[STRBUFFER];
snprintf (s, sizeof (s), "%s:%s", vendor, device);
strcpy (fuzz, s);
getFuzzlist (fuzz);
if (subvendor[0] == '\0' || !strcmp (fuzz, s))
{
strcpy (s2, s);
if (subvendor[0] != '\0')
snprintf (s2, sizeof (s2), "%s:%s:%s", s, subdevice, subvendor);
def_fuzzlist (s, s2);
def_buslist (s, bt);
}
}
static int
addReg (const char *reg_name, char param_tab[][STRBUFFER], unsigned int *k)
{
unsigned int i = 0;
int found = 0, gotParam = 0, driver_desc = 0;
char ps[6][STRBUFFER];
char param[STRBUFFER], param_t[STRBUFFER];
char type[STRBUFFER], val[STRBUFFER], s[STRBUFFER];
char p1[STRBUFFER], p2[STRBUFFER], p3[STRBUFFER], p4[STRBUFFER];
char fixlist[STRBUFFER], sOld[STRBUFFER];
def_section_t *reg = NULL;
reg = getSection (reg_name);
if (reg == NULL)
{
printf ("Parse error in inf. Unable to find section %s\n", reg_name);
return -1;
}
for (i = 0; i < reg->datalen; i++)
{
if (strcmp (reg->data[i], "") != 0)
{
regex (reg->data[i], PS1, ps, SCASE);
strcpy (p1, ps[2]);
strcpy (p2, ps[3]);
strcpy (p3, ps[4]);
strcpy (p4, ps[5]);
substStr (stripquotes (trim (p1)));
substStr (stripquotes (trim (p2)));
substStr (stripquotes (trim (p3)));
substStr (stripquotes (trim (p4)));
if (p1[0] != '\0')
{
if (regex (p1, PS2, ps, ICASE))
{
strcpy (param_t, ps[1]);
regex (param_t, PS3, ps, SCASE);
strcpy (param_t, ps[1]);
if (strcmp (param, param_t) != 0)
{
found = 0;
strcpy (param, param_t);
type[0] = '\0';
val[0] = '\0';
}
if (!strcasecmp (p2, "type"))
{
found++;
strcpy (type, p4);
}
else if (!strcasecmp (p2, "default"))
{
found++;
strcpy (val, p4);
}
if (found == 2)
gotParam = 1;
}
else if (strncasecmp (p1, "ndi", 3) || !strcasecmp (p1, "ndi"))
{
strcpy (param, p2);
strcpy (val, p4);
gotParam = 1;
}
}
else
{
strcpy (param, p2);
strcpy (val, p4);
gotParam = 1;
}
if (gotParam && strcmp (param, "") != 0)
{
if (!strcmp (param, "DriverDesc"))
driver_desc = 1;
snprintf (s, sizeof (s), "%s|%s", param, val);
strcpy (fixlist, s);
getFixlist (fixlist);
if (strcmp (fixlist, s) != 0)
{
strcpy (sOld, s);
strcpy (s, fixlist);
printf ("Forcing parameter %s to %s\n", sOld, s);
}
strcpy (param_tab[*k], s);
*k = *k + 1;
param[0] = '\0';
gotParam = 0;
}
}
}
if (!driver_desc)
{
strcpy (param_tab[*k], "DriverDesc|NDIS Network Adapter");
*k = *k + 1;
}
return 1;
}
static int
parseDevice (const char *flavour, const char *device_sect,
const char *device, const char *vendor,
const char *subvendor, const char *subdevice)
{
unsigned int i = 0, j, k, push = 0, par_k = 0;
char **lines;
char **copy_files;
char param_tab[LINEBUFFER][STRBUFFER];
char keyval[2][STRBUFFER];
char sec[STRBUFFER], addreg[STRBUFFER];
char filename[STRBUFFER], bt[STRBUFFER], file[STRBUFFER];
char bustype[STRBUFFER], alt_filename[STRBUFFER];
char ver[STRBUFFER], provider[STRBUFFER], providerstring[STRBUFFER];
char *tmp;
def_section_t *dev = NULL;
FILE *f;
/*
* for RNDIS INF file (for USR5420), vendor section names device
* section as RNDIS.NT.5.1, but copyfiles section is RNDIS.NT, so
* first strip flavour from device_sect and then look for matching
* section
*/
if (!strcmp (device_sect, "RNDIS.NT.5.1"))
dev = getSection ("RNDIS.NT");
if (!dev)
{
snprintf (sec, sizeof (sec), "%s.%s", device_sect, flavour);
dev = getSection (sec);
}