/*
* Wireless Tools
*
- * Jean II - HPLB 97->99 - HPL 99->01
+ * Jean II - HPLB 97->99 - HPL 99->09
*
* Common header for the Wireless Extension library...
*
* This file is released under the GPL license.
+ * Copyright (c) 1997-2009 Jean Tourrilhes <jt@hpl.hp.com>
*/
#ifndef IWLIB_H
#define IWLIB_H
-/*#include "CHANGELOG.h"*/
-
/***************************** INCLUDES *****************************/
/* Standard headers */
#include <string.h>
#include <unistd.h>
#include <netdb.h> /* gethostbyname, getnetbyname */
+#include <net/ethernet.h> /* struct ether_addr */
+#include <sys/time.h> /* struct timeval */
+#include <unistd.h>
/* This is our header selection. Try to hide the mess and the misery :-(
- * The selection has been moved in the Makefile, here we have only
- * the ugly part. Don't look, you would go blind ;-) */
-
-#ifdef KLUDGE_HEADERS
-#include <socketbits.h>
-#endif /* KLUDGE_HEADERS */
-
-#if defined(KLUDGE_HEADERS) || defined(GLIBC_HEADERS)
-#include <linux/if_arp.h> /* For ARPHRD_ETHER */
-#include <linux/socket.h> /* For AF_INET & struct sockaddr */
-#include <linux/in.h> /* For struct sockaddr_in */
-#endif /* KLUDGE_HEADERS || GLIBC_HEADERS */
-
-#ifdef GLIBC22_HEADERS
-/* Added by Ross G. Miller <Ross_Miller@baylor.edu>, 3/28/01 */
-#include <linux/if_arp.h> /* For ARPHRD_ETHER */
-#include <linux/socket.h> /* For AF_INET & struct sockaddr */
-#include <sys/socket.h>
-#endif /* GLIBC22_HEADERS */
-
-#ifdef LIBC5_HEADERS
-#include <sys/socket.h> /* For AF_INET & struct sockaddr & socket() */
-#include <linux/if_arp.h> /* For ARPHRD_ETHER */
-#include <linux/in.h> /* For struct sockaddr_in */
-#endif /* LIBC5_HEADERS */
-
-#ifdef PRIVATE_WE_HEADER
-/* Private copy of Wireless extensions */
-#include "wireless.h"
-#else /* PRIVATE_WE_HEADER */
-/* System wide Wireless extensions */
-#include <linux/wireless.h>
-#endif /* PRIVATE_WE_HEADER */
-
-#if WIRELESS_EXT < 9
-#error "Wireless Extension v9 or newer required :-(\
-Use Wireless Tools v19 or update your kernel headers"
-#endif
-#if WIRELESS_EXT < 11
-#warning "Wireless Extension v11 recommended...\
-You may update your kernel and/or system headers to get the new features..."
+ * Don't look, you would go blind ;-)
+ * Note : compatibility with *old* distributions has been removed,
+ * you will need Glibc 2.2 and older to compile (which means
+ * Mandrake 8.0, Debian 2.3, RH 7.1 or older).
+ */
+
+/* Set of headers proposed by Dr. Michael Rietz <rietz@mail.amps.de>, 27.3.2 */
+#include <net/if_arp.h> /* For ARPHRD_ETHER */
+#include <sys/socket.h> /* For AF_INET & struct sockaddr */
+#include <netinet/in.h> /* For struct sockaddr_in */
+#include <netinet/if_ether.h>
+
+/* Fixup to be able to include kernel includes in userspace.
+ * Basically, kill the sparse annotations... Jean II */
+#ifndef __user
+#define __user
#endif
-/****************************** DEBUG ******************************/
+#include <linux/types.h> /* for "caddr_t" et al */
+/* Glibc systems headers are supposedly less problematic than kernel ones */
+#include <sys/socket.h> /* for "struct sockaddr" et al */
+#include <net/if.h> /* for IFNAMSIZ and co... */
-/************************ CONSTANTS & MACROS ************************/
+/* Private copy of Wireless extensions (in this directoty) */
+#include "wireless.h"
-/* Some usefull constants */
-#define KILO 1e3
-#define MEGA 1e6
-#define GIGA 1e9
+#ifdef __cplusplus
+extern "C" {
+#endif
-/* Backward compatibility for Wireless Extension 9 */
-#ifndef IW_POWER_MODIFIER
-#define IW_POWER_MODIFIER 0x000F /* Modify a parameter */
-#define IW_POWER_MIN 0x0001 /* Value is a minimum */
-#define IW_POWER_MAX 0x0002 /* Value is a maximum */
-#define IW_POWER_RELATIVE 0x0004 /* Value is not in seconds/ms/us */
-#endif IW_POWER_MODIFIER
+/************************ CONSTANTS & MACROS ************************/
-#ifndef IW_ENCODE_NOKEY
-#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not here */
-#define IW_ENCODE_MODE 0xF000 /* Modes defined below */
-#endif IW_ENCODE_NOKEY
+/* Various versions information */
+/* Recommended Wireless Extension version */
+#define WE_VERSION 22
+/* Maximum forward compatibility built in this version of WT */
+#define WE_MAX_VERSION 22
+/* Version of Wireless Tools */
+#define WT_VERSION 30
/****************************** TYPES ******************************/
typedef struct sockaddr sockaddr;
/* Structure for storing all wireless information for each device
- * This is pretty exhaustive... */
-typedef struct wireless_info
+ * This is a cut down version of the one above, containing only
+ * the things *truly* needed to configure a card.
+ * Don't add other junk, I'll remove it... */
+typedef struct wireless_config
{
- char name[IFNAMSIZ]; /* Wireless/protocol name */
+ char name[IFNAMSIZ + 1]; /* Wireless/protocol name */
int has_nwid;
iwparam nwid; /* Network ID */
int has_freq;
- float freq; /* Frequency/channel */
- int has_sens;
- iwparam sens; /* sensitivity */
+ double freq; /* Frequency/channel */
+ int freq_flags;
int has_key;
unsigned char key[IW_ENCODING_TOKEN_MAX]; /* Encoding key used */
int key_size; /* Number of bytes */
int key_flags; /* Various flags */
int has_essid;
int essid_on;
- char essid[IW_ESSID_MAX_SIZE + 1]; /* ESSID (extended network) */
+ char essid[IW_ESSID_MAX_SIZE + 2]; /* ESSID (extended network) */
+ int essid_len;
+ int has_mode;
+ int mode; /* Operation mode */
+} wireless_config;
+
+/* Structure for storing all wireless information for each device
+ * This is pretty exhaustive... */
+typedef struct wireless_info
+{
+ struct wireless_config b; /* Basic information */
+
+ int has_sens;
+ iwparam sens; /* sensitivity */
int has_nickname;
- char nickname[IW_ESSID_MAX_SIZE + 1]; /* NickName */
+ char nickname[IW_ESSID_MAX_SIZE + 2]; /* NickName */
int has_ap_addr;
sockaddr ap_addr; /* Access point address */
int has_bitrate;
iwparam rts; /* RTS threshold in bytes */
int has_frag;
iwparam frag; /* Fragmentation threshold in bytes */
- int has_mode;
- int mode; /* Operation mode */
int has_power;
iwparam power; /* Power management parameters */
int has_txpower;
int has_stats;
iwrange range;
int has_range;
+
+ /* Auth params for WPA/802.1x/802.11i */
+ int auth_key_mgmt;
+ int has_auth_key_mgmt;
+ int auth_cipher_pairwise;
+ int has_auth_cipher_pairwise;
+ int auth_cipher_group;
+ int has_auth_cipher_group;
} wireless_info;
-/* Structure for storing all wireless information for each device
- * This is a cut down version of the one above, containing only
- * the things *truly* needed to configure a card.
- * Don't add other junk, I'll remove it... */
-typedef struct wireless_config
+/* Structure for storing an entry of a wireless scan.
+ * This is only a subset of all possible information, the flexible
+ * structure of scan results make it impossible to capture all
+ * information in such a static structure. */
+typedef struct wireless_scan
{
- char name[IFNAMSIZ]; /* Wireless/protocol name */
- int has_nwid;
- iwparam nwid; /* Network ID */
- int has_freq;
- float freq; /* Frequency/channel */
- int has_key;
- unsigned char key[IW_ENCODING_TOKEN_MAX]; /* Encoding key used */
- int key_size; /* Number of bytes */
- int key_flags; /* Various flags */
- int has_essid;
- int essid_on;
- char essid[IW_ESSID_MAX_SIZE + 1]; /* ESSID (extended network) */
- int has_mode;
- int mode; /* Operation mode */
-} wireless_config;
+ /* Linked list */
+ struct wireless_scan * next;
+
+ /* Cell identifiaction */
+ int has_ap_addr;
+ sockaddr ap_addr; /* Access point address */
+
+ /* Other information */
+ struct wireless_config b; /* Basic information */
+ iwstats stats; /* Signal strength */
+ int has_stats;
+ iwparam maxbitrate; /* Max bit rate in bps */
+ int has_maxbitrate;
+} wireless_scan;
+
+/*
+ * Context used for non-blocking scan.
+ */
+typedef struct wireless_scan_head
+{
+ wireless_scan * result; /* Result of the scan */
+ int retry; /* Retry level */
+} wireless_scan_head;
+
+/* Structure used for parsing event streams, such as Wireless Events
+ * and scan results */
+typedef struct stream_descr
+{
+ char * end; /* End of the stream */
+ char * current; /* Current event in stream of events */
+ char * value; /* Current value in event */
+} stream_descr;
+
+/* Prototype for handling display of each single interface on the
+ * system - see iw_enum_devices() */
+typedef int (*iw_enum_handler)(int skfd,
+ char * ifname,
+ char * args[],
+ int count);
+
+/* Describe a modulation */
+typedef struct iw_modul_descr
+{
+ unsigned int mask; /* Modulation bitmask */
+ char cmd[8]; /* Short name */
+ char * verbose; /* Verbose description */
+} iw_modul_descr;
/**************************** PROTOTYPES ****************************/
/*
- * All the functions in iwcommon.c
+ * All the functions in iwlib.c
*/
+
/* ---------------------- SOCKET SUBROUTINES -----------------------*/
int
iw_sockets_open(void);
+void
+ iw_enum_devices(int skfd,
+ iw_enum_handler fn,
+ char * args[],
+ int count);
/* --------------------- WIRELESS SUBROUTINES ----------------------*/
int
+ iw_get_kernel_we_version(void);
+int
+ iw_print_version_info(const char * toolname);
+int
iw_get_range_info(int skfd,
- char * ifname,
+ const char * ifname,
iwrange * range);
int
iw_get_priv_info(int skfd,
- char * ifname,
- iwprivargs * priv);
+ const char * ifname,
+ iwprivargs ** ppriv);
int
iw_get_basic_config(int skfd,
- char * ifname,
+ const char * ifname,
wireless_config * info);
int
iw_set_basic_config(int skfd,
- char * ifname,
+ const char * ifname,
wireless_config * info);
+/* --------------------- PROTOCOL SUBROUTINES --------------------- */
+int
+ iw_protocol_compare(const char * protocol1,
+ const char * protocol2);
+/* ---------------------- ESSID SUBROUTINES ---------------------- */
+void
+ iw_essid_escape(char * dest,
+ const char * src,
+ const int slen);
+int
+ iw_essid_unescape(char * dest,
+ const char * src);
/* -------------------- FREQUENCY SUBROUTINES --------------------- */
void
iw_float2freq(double in,
- iwfreq * out);
+ iwfreq * out);
double
- iw_freq2float(iwfreq * in);
+ iw_freq2float(const iwfreq * in);
+void
+ iw_print_freq_value(char * buffer,
+ int buflen,
+ double freq);
+void
+ iw_print_freq(char * buffer,
+ int buflen,
+ double freq,
+ int channel,
+ int freq_flags);
+int
+ iw_freq_to_channel(double freq,
+ const struct iw_range * range);
+int
+ iw_channel_to_freq(int channel,
+ double * pfreq,
+ const struct iw_range * range);
+void
+ iw_print_bitrate(char * buffer,
+ int buflen,
+ int bitrate);
/* ---------------------- POWER SUBROUTINES ----------------------- */
int
iw_dbm2mwatt(int in);
int
iw_mwatt2dbm(int in);
+void
+ iw_print_txpower(char * buffer,
+ int buflen,
+ struct iw_param * txpower);
/* -------------------- STATISTICS SUBROUTINES -------------------- */
int
- iw_get_stats(int skfd,
- char * ifname,
- iwstats * stats);
+ iw_get_stats(int skfd,
+ const char * ifname,
+ iwstats * stats,
+ const iwrange * range,
+ int has_range);
void
iw_print_stats(char * buffer,
- iwqual * qual,
- iwrange * range,
+ int buflen,
+ const iwqual * qual,
+ const iwrange * range,
int has_range);
/* --------------------- ENCODING SUBROUTINES --------------------- */
void
- iw_print_key(char * buffer,
- unsigned char * key,
- int key_size,
- int key_flags);
+ iw_print_key(char * buffer,
+ int buflen,
+ const unsigned char * key,
+ int key_size,
+ int key_flags);
+int
+ iw_in_key(const char * input,
+ unsigned char * key);
+int
+ iw_in_key_full(int skfd,
+ const char * ifname,
+ const char * input,
+ unsigned char * key,
+ __u16 * flags);
/* ----------------- POWER MANAGEMENT SUBROUTINES ----------------- */
void
iw_print_pm_value(char * buffer,
+ int buflen,
int value,
- int flags);
+ int flags,
+ int we_version);
void
iw_print_pm_mode(char * buffer,
+ int buflen,
int flags);
/* --------------- RETRY LIMIT/LIFETIME SUBROUTINES --------------- */
-#if WIRELESS_EXT > 10
void
iw_print_retry_value(char * buffer,
+ int buflen,
int value,
- int flags);
-#endif
+ int flags,
+ int we_version);
+/* ----------------------- TIME SUBROUTINES ----------------------- */
+void
+ iw_print_timeval(char * buffer,
+ int buflen,
+ const struct timeval * time,
+ const struct timezone * tz);
/* --------------------- ADDRESS SUBROUTINES ---------------------- */
int
- iw_check_addr_type(int skfd,
- char * ifname);
+ iw_check_mac_addr_type(int skfd,
+ const char * ifname);
+int
+ iw_check_if_addr_type(int skfd,
+ const char * ifname);
+char *
+ iw_mac_ntop(const unsigned char * mac,
+ int maclen,
+ char * buf,
+ int buflen);
+void
+ iw_ether_ntop(const struct ether_addr * eth,
+ char * buf);
char *
- iw_pr_ether(char *buffer, unsigned char *ptr);
+ iw_sawap_ntop(const struct sockaddr * sap,
+ char * buf);
int
- iw_in_ether(char *bufp, struct sockaddr *sap);
+ iw_mac_aton(const char * orig,
+ unsigned char * mac,
+ int macmax);
+int
+ iw_ether_aton(const char* bufp, struct ether_addr* eth);
int
iw_in_inet(char *bufp, struct sockaddr *sap);
int
iw_in_addr(int skfd,
- char * ifname,
+ const char * ifname,
char * bufp,
struct sockaddr * sap);
/* ----------------------- MISC SUBROUTINES ------------------------ */
int
- iw_byte_size(int args);
+ iw_get_priv_size(int args);
+
+/* ---------------------- EVENT SUBROUTINES ---------------------- */
+void
+ iw_init_event_stream(struct stream_descr * stream,
+ char * data,
+ int len);
+int
+ iw_extract_event_stream(struct stream_descr * stream,
+ struct iw_event * iwe,
+ int we_version);
+/* --------------------- SCANNING SUBROUTINES --------------------- */
+int
+ iw_process_scan(int skfd,
+ char * ifname,
+ int we_version,
+ wireless_scan_head * context);
+int
+ iw_scan(int skfd,
+ char * ifname,
+ int we_version,
+ wireless_scan_head * context);
/**************************** VARIABLES ****************************/
-extern const char * iw_operation_mode[];
-#define IW_NUM_OPER_MODE 6
+/* Modes as human readable strings */
+extern const char * const iw_operation_mode[];
+#define IW_NUM_OPER_MODE 7
+#define IW_NUM_OPER_MODE_EXT 8
+
+/* Modulations as human readable strings */
+extern const struct iw_modul_descr iw_modul_list[];
+#define IW_SIZE_MODUL_LIST 16
+
+/************************* INLINE FUNTIONS *************************/
+/*
+ * Functions that are so simple that it's more efficient inlining them
+ * Most inline are private because gcc is fussy about inline...
+ */
+
+/*
+ * Note : I've defined wrapper for the ioctl request so that
+ * it will be easier to migrate to other kernel API if needed
+ */
+
+/*------------------------------------------------------------------*/
+/*
+ * Wrapper to push some Wireless Parameter in the driver
+ */
+static inline __attribute__((always_inline)) int
+iw_set_ext(int skfd, /* Socket to the kernel */
+ const char * ifname, /* Device name */
+ int request, /* WE ID */
+ struct iwreq * pwrq) /* Fixed part of the request */
+{
+ /* Set device name */
+ strncpy(pwrq->ifr_name, ifname, IFNAMSIZ);
+ /* Do the request */
+ return(ioctl(skfd, request, pwrq));
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Wrapper to extract some Wireless Parameter out of the driver
+ */
+static inline __attribute__((always_inline)) int
+iw_get_ext(int skfd, /* Socket to the kernel */
+ const char * ifname, /* Device name */
+ int request, /* WE ID */
+ struct iwreq * pwrq) /* Fixed part of the request */
+{
+ /* Set device name */
+ strncpy(pwrq->ifr_name, ifname, IFNAMSIZ);
+ /* Do the request */
+ return(ioctl(skfd, request, pwrq));
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Close the socket used for ioctl.
+ */
+static inline void
+iw_sockets_close(int skfd)
+{
+ close(skfd);
+}
+
+#ifdef __cplusplus
+}
+#endif
#endif /* IWLIB_H */
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