Cumulative patch from commit fa56315cfc9ebaff2b210ed99d43dda9b16bdf56
fa56315 eap_proxy: Add context data pointer to the get_imsi call
07041c6 eap_proxy: Confirm eap_proxy initialization before reading SIM info
47d986e P2P: Check Action frame payload match before accepted TX status
d259249 Fix ENABLE_NETWORK not to reconnect in disconnected state
677cf19 hostapd: Select any supported channel if ACS fails
20f9cb1 hostapd: Allow ACS to deal with partial survey data
3645fd5 hostapd: Propagate ACS errors to iface setup
0e1d0b3 hostapd: Don't get stuck after failed ACS
af8a827 Make frequency range list routines more general
941dae0 P2P: Add more user friendly debug print of channel lists
Change-Id: I942dbbc0cb92f4e09626ec6ea17f6ea583c17f1a
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/utils/common.c b/src/utils/common.c
index 207d477..5734de7 100644
--- a/src/utils/common.c
+++ b/src/utils/common.c
@@ -624,3 +624,99 @@
return res;
}
+
+
+int freq_range_list_parse(struct wpa_freq_range_list *res, const char *value)
+{
+ struct wpa_freq_range *freq = NULL, *n;
+ unsigned int count = 0;
+ const char *pos, *pos2, *pos3;
+
+ /*
+ * Comma separated list of frequency ranges.
+ * For example: 2412-2432,2462,5000-6000
+ */
+ pos = value;
+ while (pos && pos[0]) {
+ n = os_realloc_array(freq, count + 1,
+ sizeof(struct wpa_freq_range));
+ if (n == NULL) {
+ os_free(freq);
+ return -1;
+ }
+ freq = n;
+ freq[count].min = atoi(pos);
+ pos2 = os_strchr(pos, '-');
+ pos3 = os_strchr(pos, ',');
+ if (pos2 && (!pos3 || pos2 < pos3)) {
+ pos2++;
+ freq[count].max = atoi(pos2);
+ } else
+ freq[count].max = freq[count].min;
+ pos = pos3;
+ if (pos)
+ pos++;
+ count++;
+ }
+
+ os_free(res->range);
+ res->range = freq;
+ res->num = count;
+
+ return 0;
+}
+
+
+int freq_range_list_includes(const struct wpa_freq_range_list *list,
+ unsigned int freq)
+{
+ unsigned int i;
+
+ if (list == NULL)
+ return 0;
+
+ for (i = 0; i < list->num; i++) {
+ if (freq >= list->range[i].min && freq <= list->range[i].max)
+ return 1;
+ }
+
+ return 0;
+}
+
+
+char * freq_range_list_str(const struct wpa_freq_range_list *list)
+{
+ char *buf, *pos, *end;
+ size_t maxlen;
+ unsigned int i;
+ int res;
+
+ if (list->num == 0)
+ return NULL;
+
+ maxlen = list->num * 30;
+ buf = os_malloc(maxlen);
+ if (buf == NULL)
+ return NULL;
+ pos = buf;
+ end = buf + maxlen;
+
+ for (i = 0; i < list->num; i++) {
+ struct wpa_freq_range *range = &list->range[i];
+
+ if (range->min == range->max)
+ res = os_snprintf(pos, end - pos, "%s%u",
+ i == 0 ? "" : ",", range->min);
+ else
+ res = os_snprintf(pos, end - pos, "%s%u-%u",
+ i == 0 ? "" : ",",
+ range->min, range->max);
+ if (res < 0 || res > end - pos) {
+ os_free(buf);
+ return NULL;
+ }
+ pos += res;
+ }
+
+ return buf;
+}
diff --git a/src/utils/common.h b/src/utils/common.h
index 29f0b95..399ab79 100644
--- a/src/utils/common.h
+++ b/src/utils/common.h
@@ -505,6 +505,20 @@
#include "wpa_debug.h"
+struct wpa_freq_range_list {
+ struct wpa_freq_range {
+ unsigned int min;
+ unsigned int max;
+ } *range;
+ unsigned int num;
+};
+
+int freq_range_list_parse(struct wpa_freq_range_list *res, const char *value);
+int freq_range_list_includes(const struct wpa_freq_range_list *list,
+ unsigned int freq);
+char * freq_range_list_str(const struct wpa_freq_range_list *list);
+
+
/*
* gcc 4.4 ends up generating strict-aliasing warnings about some very common
* networking socket uses that do not really result in a real problem and