![Andy Shevchenko](/assets/img/avatar_default.png)
Instead of substituting non-printable characters by '_' let's print SSID properly escaped by using recently added %*pE specifier. [akpm@linux-foundation.org: fix printk type warning] [akpm@linux-foundation.org: remove now-unused local `i'] Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: "John W . Linville" <linville@tuxdriver.com> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
500 lines
13 KiB
C
500 lines
13 KiB
C
/* /proc routines for Host AP driver */
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#include <linux/types.h>
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#include <linux/proc_fs.h>
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#include <linux/export.h>
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#include <net/lib80211.h>
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#include "hostap_wlan.h"
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#include "hostap.h"
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#define PROC_LIMIT (PAGE_SIZE - 80)
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#ifndef PRISM2_NO_PROCFS_DEBUG
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static int prism2_debug_proc_show(struct seq_file *m, void *v)
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{
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local_info_t *local = m->private;
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int i;
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seq_printf(m, "next_txfid=%d next_alloc=%d\n",
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local->next_txfid, local->next_alloc);
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for (i = 0; i < PRISM2_TXFID_COUNT; i++)
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seq_printf(m, "FID: tx=%04X intransmit=%04X\n",
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local->txfid[i], local->intransmitfid[i]);
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seq_printf(m, "FW TX rate control: %d\n", local->fw_tx_rate_control);
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seq_printf(m, "beacon_int=%d\n", local->beacon_int);
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seq_printf(m, "dtim_period=%d\n", local->dtim_period);
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seq_printf(m, "wds_max_connections=%d\n", local->wds_max_connections);
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seq_printf(m, "dev_enabled=%d\n", local->dev_enabled);
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seq_printf(m, "sw_tick_stuck=%d\n", local->sw_tick_stuck);
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for (i = 0; i < WEP_KEYS; i++) {
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if (local->crypt_info.crypt[i] &&
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local->crypt_info.crypt[i]->ops) {
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seq_printf(m, "crypt[%d]=%s\n", i,
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local->crypt_info.crypt[i]->ops->name);
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}
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}
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seq_printf(m, "pri_only=%d\n", local->pri_only);
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seq_printf(m, "pci=%d\n", local->func->hw_type == HOSTAP_HW_PCI);
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seq_printf(m, "sram_type=%d\n", local->sram_type);
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seq_printf(m, "no_pri=%d\n", local->no_pri);
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return 0;
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}
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static int prism2_debug_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, prism2_debug_proc_show, PDE_DATA(inode));
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}
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static const struct file_operations prism2_debug_proc_fops = {
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.open = prism2_debug_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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#endif /* PRISM2_NO_PROCFS_DEBUG */
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static int prism2_stats_proc_show(struct seq_file *m, void *v)
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{
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local_info_t *local = m->private;
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struct comm_tallies_sums *sums = &local->comm_tallies;
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seq_printf(m, "TxUnicastFrames=%u\n", sums->tx_unicast_frames);
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seq_printf(m, "TxMulticastframes=%u\n", sums->tx_multicast_frames);
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seq_printf(m, "TxFragments=%u\n", sums->tx_fragments);
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seq_printf(m, "TxUnicastOctets=%u\n", sums->tx_unicast_octets);
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seq_printf(m, "TxMulticastOctets=%u\n", sums->tx_multicast_octets);
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seq_printf(m, "TxDeferredTransmissions=%u\n",
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sums->tx_deferred_transmissions);
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seq_printf(m, "TxSingleRetryFrames=%u\n", sums->tx_single_retry_frames);
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seq_printf(m, "TxMultipleRetryFrames=%u\n",
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sums->tx_multiple_retry_frames);
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seq_printf(m, "TxRetryLimitExceeded=%u\n",
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sums->tx_retry_limit_exceeded);
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seq_printf(m, "TxDiscards=%u\n", sums->tx_discards);
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seq_printf(m, "RxUnicastFrames=%u\n", sums->rx_unicast_frames);
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seq_printf(m, "RxMulticastFrames=%u\n", sums->rx_multicast_frames);
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seq_printf(m, "RxFragments=%u\n", sums->rx_fragments);
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seq_printf(m, "RxUnicastOctets=%u\n", sums->rx_unicast_octets);
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seq_printf(m, "RxMulticastOctets=%u\n", sums->rx_multicast_octets);
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seq_printf(m, "RxFCSErrors=%u\n", sums->rx_fcs_errors);
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seq_printf(m, "RxDiscardsNoBuffer=%u\n", sums->rx_discards_no_buffer);
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seq_printf(m, "TxDiscardsWrongSA=%u\n", sums->tx_discards_wrong_sa);
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seq_printf(m, "RxDiscardsWEPUndecryptable=%u\n",
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sums->rx_discards_wep_undecryptable);
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seq_printf(m, "RxMessageInMsgFragments=%u\n",
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sums->rx_message_in_msg_fragments);
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seq_printf(m, "RxMessageInBadMsgFragments=%u\n",
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sums->rx_message_in_bad_msg_fragments);
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/* FIX: this may grow too long for one page(?) */
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return 0;
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}
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static int prism2_stats_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, prism2_stats_proc_show, PDE_DATA(inode));
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}
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static const struct file_operations prism2_stats_proc_fops = {
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.open = prism2_stats_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int prism2_wds_proc_show(struct seq_file *m, void *v)
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{
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struct list_head *ptr = v;
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struct hostap_interface *iface;
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iface = list_entry(ptr, struct hostap_interface, list);
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if (iface->type == HOSTAP_INTERFACE_WDS)
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seq_printf(m, "%s\t%pM\n",
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iface->dev->name, iface->u.wds.remote_addr);
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return 0;
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}
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static void *prism2_wds_proc_start(struct seq_file *m, loff_t *_pos)
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{
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local_info_t *local = m->private;
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read_lock_bh(&local->iface_lock);
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return seq_list_start(&local->hostap_interfaces, *_pos);
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}
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static void *prism2_wds_proc_next(struct seq_file *m, void *v, loff_t *_pos)
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{
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local_info_t *local = m->private;
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return seq_list_next(v, &local->hostap_interfaces, _pos);
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}
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static void prism2_wds_proc_stop(struct seq_file *m, void *v)
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{
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local_info_t *local = m->private;
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read_unlock_bh(&local->iface_lock);
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}
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static const struct seq_operations prism2_wds_proc_seqops = {
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.start = prism2_wds_proc_start,
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.next = prism2_wds_proc_next,
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.stop = prism2_wds_proc_stop,
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.show = prism2_wds_proc_show,
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};
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static int prism2_wds_proc_open(struct inode *inode, struct file *file)
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{
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int ret = seq_open(file, &prism2_wds_proc_seqops);
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if (ret == 0) {
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struct seq_file *m = file->private_data;
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m->private = PDE_DATA(inode);
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}
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return ret;
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}
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static const struct file_operations prism2_wds_proc_fops = {
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.open = prism2_wds_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = seq_release,
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};
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static int prism2_bss_list_proc_show(struct seq_file *m, void *v)
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{
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local_info_t *local = m->private;
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struct list_head *ptr = v;
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struct hostap_bss_info *bss;
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if (ptr == &local->bss_list) {
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seq_printf(m, "#BSSID\tlast_update\tcount\tcapab_info\tSSID(txt)\t"
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"SSID(hex)\tWPA IE\n");
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return 0;
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}
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bss = list_entry(ptr, struct hostap_bss_info, list);
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seq_printf(m, "%pM\t%lu\t%u\t0x%x\t",
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bss->bssid, bss->last_update,
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bss->count, bss->capab_info);
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seq_printf(m, "%*pE", (int)bss->ssid_len, bss->ssid);
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seq_putc(m, '\t');
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seq_printf(m, "%*phN", (int)bss->ssid_len, bss->ssid);
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seq_putc(m, '\t');
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seq_printf(m, "%*phN", (int)bss->wpa_ie_len, bss->wpa_ie);
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seq_putc(m, '\n');
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return 0;
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}
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static void *prism2_bss_list_proc_start(struct seq_file *m, loff_t *_pos)
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{
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local_info_t *local = m->private;
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spin_lock_bh(&local->lock);
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return seq_list_start_head(&local->bss_list, *_pos);
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}
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static void *prism2_bss_list_proc_next(struct seq_file *m, void *v, loff_t *_pos)
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{
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local_info_t *local = m->private;
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return seq_list_next(v, &local->bss_list, _pos);
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}
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static void prism2_bss_list_proc_stop(struct seq_file *m, void *v)
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{
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local_info_t *local = m->private;
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spin_unlock_bh(&local->lock);
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}
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static const struct seq_operations prism2_bss_list_proc_seqops = {
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.start = prism2_bss_list_proc_start,
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.next = prism2_bss_list_proc_next,
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.stop = prism2_bss_list_proc_stop,
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.show = prism2_bss_list_proc_show,
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};
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static int prism2_bss_list_proc_open(struct inode *inode, struct file *file)
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{
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int ret = seq_open(file, &prism2_bss_list_proc_seqops);
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if (ret == 0) {
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struct seq_file *m = file->private_data;
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m->private = PDE_DATA(inode);
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}
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return ret;
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}
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static const struct file_operations prism2_bss_list_proc_fops = {
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.open = prism2_bss_list_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = seq_release,
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};
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static int prism2_crypt_proc_show(struct seq_file *m, void *v)
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{
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local_info_t *local = m->private;
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int i;
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seq_printf(m, "tx_keyidx=%d\n", local->crypt_info.tx_keyidx);
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for (i = 0; i < WEP_KEYS; i++) {
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if (local->crypt_info.crypt[i] &&
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local->crypt_info.crypt[i]->ops &&
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local->crypt_info.crypt[i]->ops->print_stats) {
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local->crypt_info.crypt[i]->ops->print_stats(
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m, local->crypt_info.crypt[i]->priv);
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}
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}
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return 0;
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}
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static int prism2_crypt_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, prism2_crypt_proc_show, PDE_DATA(inode));
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}
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static const struct file_operations prism2_crypt_proc_fops = {
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.open = prism2_crypt_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static ssize_t prism2_pda_proc_read(struct file *file, char __user *buf,
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size_t count, loff_t *_pos)
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{
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local_info_t *local = PDE_DATA(file_inode(file));
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size_t off;
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if (local->pda == NULL || *_pos >= PRISM2_PDA_SIZE)
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return 0;
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off = *_pos;
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if (count > PRISM2_PDA_SIZE - off)
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count = PRISM2_PDA_SIZE - off;
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if (copy_to_user(buf, local->pda + off, count) != 0)
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return -EFAULT;
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*_pos += count;
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return count;
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}
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static const struct file_operations prism2_pda_proc_fops = {
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.read = prism2_pda_proc_read,
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.llseek = generic_file_llseek,
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};
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static ssize_t prism2_aux_dump_proc_no_read(struct file *file, char __user *buf,
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size_t bufsize, loff_t *_pos)
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{
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return 0;
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}
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static const struct file_operations prism2_aux_dump_proc_fops = {
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.read = prism2_aux_dump_proc_no_read,
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};
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#ifdef PRISM2_IO_DEBUG
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static int prism2_io_debug_proc_read(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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{
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local_info_t *local = (local_info_t *) data;
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int head = local->io_debug_head;
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int start_bytes, left, copy, copied;
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if (off + count > PRISM2_IO_DEBUG_SIZE * 4) {
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*eof = 1;
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if (off >= PRISM2_IO_DEBUG_SIZE * 4)
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return 0;
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count = PRISM2_IO_DEBUG_SIZE * 4 - off;
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}
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copied = 0;
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start_bytes = (PRISM2_IO_DEBUG_SIZE - head) * 4;
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left = count;
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if (off < start_bytes) {
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copy = start_bytes - off;
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if (copy > count)
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copy = count;
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memcpy(page, ((u8 *) &local->io_debug[head]) + off, copy);
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left -= copy;
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if (left > 0)
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memcpy(&page[copy], local->io_debug, left);
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} else {
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memcpy(page, ((u8 *) local->io_debug) + (off - start_bytes),
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left);
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}
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*start = page;
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return count;
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}
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#endif /* PRISM2_IO_DEBUG */
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#ifndef PRISM2_NO_STATION_MODES
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static int prism2_scan_results_proc_show(struct seq_file *m, void *v)
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{
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local_info_t *local = m->private;
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unsigned long entry;
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int i, len;
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struct hfa384x_hostscan_result *scanres;
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u8 *p;
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if (v == SEQ_START_TOKEN) {
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seq_printf(m,
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"CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates SSID\n");
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return 0;
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}
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entry = (unsigned long)v - 2;
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scanres = &local->last_scan_results[entry];
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seq_printf(m, "%d %d %d %d 0x%02x %d %pM %d ",
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le16_to_cpu(scanres->chid),
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(s16) le16_to_cpu(scanres->anl),
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(s16) le16_to_cpu(scanres->sl),
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le16_to_cpu(scanres->beacon_interval),
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le16_to_cpu(scanres->capability),
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le16_to_cpu(scanres->rate),
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scanres->bssid,
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le16_to_cpu(scanres->atim));
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p = scanres->sup_rates;
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for (i = 0; i < sizeof(scanres->sup_rates); i++) {
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if (p[i] == 0)
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break;
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seq_printf(m, "<%02x>", p[i]);
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}
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seq_putc(m, ' ');
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p = scanres->ssid;
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len = le16_to_cpu(scanres->ssid_len);
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if (len > 32)
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len = 32;
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for (i = 0; i < len; i++) {
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unsigned char c = p[i];
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if (c >= 32 && c < 127)
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seq_putc(m, c);
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else
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seq_printf(m, "<%02x>", c);
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}
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seq_putc(m, '\n');
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return 0;
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}
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static void *prism2_scan_results_proc_start(struct seq_file *m, loff_t *_pos)
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{
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local_info_t *local = m->private;
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spin_lock_bh(&local->lock);
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/* We have a header (pos 0) + N results to show (pos 1...N) */
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if (*_pos > local->last_scan_results_count)
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return NULL;
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return (void *)(unsigned long)(*_pos + 1); /* 0 would be EOF */
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}
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static void *prism2_scan_results_proc_next(struct seq_file *m, void *v, loff_t *_pos)
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{
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local_info_t *local = m->private;
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++*_pos;
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if (*_pos > local->last_scan_results_count)
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return NULL;
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return (void *)(unsigned long)(*_pos + 1); /* 0 would be EOF */
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}
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static void prism2_scan_results_proc_stop(struct seq_file *m, void *v)
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{
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local_info_t *local = m->private;
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spin_unlock_bh(&local->lock);
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}
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static const struct seq_operations prism2_scan_results_proc_seqops = {
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.start = prism2_scan_results_proc_start,
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.next = prism2_scan_results_proc_next,
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.stop = prism2_scan_results_proc_stop,
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.show = prism2_scan_results_proc_show,
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};
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static int prism2_scan_results_proc_open(struct inode *inode, struct file *file)
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{
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int ret = seq_open(file, &prism2_scan_results_proc_seqops);
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if (ret == 0) {
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struct seq_file *m = file->private_data;
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m->private = PDE_DATA(inode);
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}
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return ret;
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}
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static const struct file_operations prism2_scan_results_proc_fops = {
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.open = prism2_scan_results_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = seq_release,
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};
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#endif /* PRISM2_NO_STATION_MODES */
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void hostap_init_proc(local_info_t *local)
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{
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local->proc = NULL;
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if (hostap_proc == NULL) {
|
|
printk(KERN_WARNING "%s: hostap proc directory not created\n",
|
|
local->dev->name);
|
|
return;
|
|
}
|
|
|
|
local->proc = proc_mkdir(local->ddev->name, hostap_proc);
|
|
if (local->proc == NULL) {
|
|
printk(KERN_INFO "/proc/net/hostap/%s creation failed\n",
|
|
local->ddev->name);
|
|
return;
|
|
}
|
|
|
|
#ifndef PRISM2_NO_PROCFS_DEBUG
|
|
proc_create_data("debug", 0, local->proc,
|
|
&prism2_debug_proc_fops, local);
|
|
#endif /* PRISM2_NO_PROCFS_DEBUG */
|
|
proc_create_data("stats", 0, local->proc,
|
|
&prism2_stats_proc_fops, local);
|
|
proc_create_data("wds", 0, local->proc,
|
|
&prism2_wds_proc_fops, local);
|
|
proc_create_data("pda", 0, local->proc,
|
|
&prism2_pda_proc_fops, local);
|
|
proc_create_data("aux_dump", 0, local->proc,
|
|
local->func->read_aux_fops ?: &prism2_aux_dump_proc_fops,
|
|
local);
|
|
proc_create_data("bss_list", 0, local->proc,
|
|
&prism2_bss_list_proc_fops, local);
|
|
proc_create_data("crypt", 0, local->proc,
|
|
&prism2_crypt_proc_fops, local);
|
|
#ifdef PRISM2_IO_DEBUG
|
|
proc_create_data("io_debug", 0, local->proc,
|
|
&prism2_io_debug_proc_fops, local);
|
|
#endif /* PRISM2_IO_DEBUG */
|
|
#ifndef PRISM2_NO_STATION_MODES
|
|
proc_create_data("scan_results", 0, local->proc,
|
|
&prism2_scan_results_proc_fops, local);
|
|
#endif /* PRISM2_NO_STATION_MODES */
|
|
}
|
|
|
|
|
|
void hostap_remove_proc(local_info_t *local)
|
|
{
|
|
proc_remove(local->proc);
|
|
}
|
|
|
|
|
|
EXPORT_SYMBOL(hostap_init_proc);
|
|
EXPORT_SYMBOL(hostap_remove_proc);
|