#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/netdevice.h>
-#include <linux/pci.h>
#include <linux/proc_fs.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
return snprintf(page, count, "0x%08X\n", ieee80211_debug_level);
}
-static int store_debug_level(struct file *file, const char *buffer,
+static int store_debug_level(struct file *file, const char __user *buffer,
unsigned long count, void *data)
{
char buf[] = "0x00000000";
- unsigned long len = min(sizeof(buf) - 1, (u32)count);
char *p = (char *)buf;
unsigned long val;
- if (copy_from_user(buf, buffer, len))
+ if (count > sizeof(buf) - 1)
+ count = sizeof(buf) - 1;
+
+ if (copy_from_user(buf, buffer, count))
return count;
- buf[len] = 0;
+ buf[count] = 0;
+ /*
+ * what a FPOS... What, sscanf(buf, "%i", &val) would be too
+ * scary?
+ */
if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
p++;
if (p[0] == 'x' || p[0] == 'X')
else
ieee80211_debug_level = val;
- return strnlen(buf, count);
+ return strlen(buf);
}
static int __init ieee80211_init(void)
module_init(ieee80211_init);
#endif
+
+const char *escape_essid(const char *essid, u8 essid_len) {
+ static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
+ const char *s = essid;
+ char *d = escaped;
+
+ if (ieee80211_is_empty_essid(essid, essid_len)) {
+ memcpy(escaped, "<hidden>", sizeof("<hidden>"));
+ return escaped;
+ }
+
+ essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE);
+ while (essid_len--) {
+ if (*s == '\0') {
+ *d++ = '\\';
+ *d++ = '0';
+ s++;
+ } else {
+ *d++ = *s++;
+ }
+ }
+ *d = '\0';
+ return escaped;
+}
+
EXPORT_SYMBOL(alloc_ieee80211);
EXPORT_SYMBOL(free_ieee80211);
+EXPORT_SYMBOL(escape_essid);