P2PS: Extend add/del services logic to support ASP
In addition, add a new P2P_SERVICE_REP command that can be used to replace existing ASP advertisements. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
parent
ea8e033e92
commit
ae9d45f329
7 changed files with 378 additions and 17 deletions
136
src/p2p/p2p.c
136
src/p2p/p2p.c
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@ -2475,6 +2475,132 @@ int p2p_scan_result_text(const u8 *ies, size_t ies_len, char *buf, char *end)
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}
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}
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struct p2ps_advertisement *
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p2p_service_p2ps_id(struct p2p_data *p2p, u32 adv_id)
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{
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struct p2ps_advertisement *adv_data;
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if (!p2p)
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return NULL;
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adv_data = p2p->p2ps_adv_list;
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while (adv_data) {
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if (adv_data->id == adv_id)
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return adv_data;
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adv_data = adv_data->next;
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}
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return NULL;
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}
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int p2p_service_del_asp(struct p2p_data *p2p, u32 adv_id)
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{
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struct p2ps_advertisement *adv_data;
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struct p2ps_advertisement **prior;
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if (!p2p)
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return -1;
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adv_data = p2p->p2ps_adv_list;
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prior = &p2p->p2ps_adv_list;
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while (adv_data) {
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if (adv_data->id == adv_id) {
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p2p_dbg(p2p, "Delete ASP adv_id=0x%x", adv_id);
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*prior = adv_data->next;
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os_free(adv_data);
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return 0;
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}
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prior = &adv_data->next;
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adv_data = adv_data->next;
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}
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return -1;
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}
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int p2p_service_add_asp(struct p2p_data *p2p, int auto_accept, u32 adv_id,
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const char *adv_str, u8 svc_state, u16 config_methods,
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const char *svc_info)
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{
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struct p2ps_advertisement *adv_data, *tmp, **prev;
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u8 buf[P2PS_HASH_LEN];
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size_t adv_data_len, adv_len, info_len = 0;
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if (!p2p || !adv_str || !adv_str[0])
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return -1;
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if (!(config_methods & p2p->cfg->config_methods)) {
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p2p_dbg(p2p, "Config methods not supported svc: 0x%x dev: 0x%x",
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config_methods, p2p->cfg->config_methods);
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return -1;
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}
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if (!p2ps_gen_hash(p2p, adv_str, buf))
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return -1;
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if (svc_info)
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info_len = os_strlen(svc_info);
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adv_len = os_strlen(adv_str);
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adv_data_len = sizeof(struct p2ps_advertisement) + adv_len + 1 +
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info_len + 1;
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adv_data = os_zalloc(adv_data_len);
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if (!adv_data)
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return -1;
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os_memcpy(adv_data->hash, buf, P2PS_HASH_LEN);
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adv_data->id = adv_id;
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adv_data->state = svc_state;
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adv_data->config_methods = config_methods & p2p->cfg->config_methods;
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adv_data->auto_accept = (u8) auto_accept;
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os_memcpy(adv_data->svc_name, adv_str, adv_len);
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if (svc_info && info_len) {
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adv_data->svc_info = &adv_data->svc_name[adv_len + 1];
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os_memcpy(adv_data->svc_info, svc_info, info_len);
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}
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/*
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* Group Advertisements by service string. They do not need to be
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* sorted, but groups allow easier Probe Response instance grouping
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*/
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tmp = p2p->p2ps_adv_list;
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prev = &p2p->p2ps_adv_list;
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while (tmp) {
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if (tmp->id == adv_data->id) {
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if (os_strcmp(tmp->svc_name, adv_data->svc_name) != 0) {
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os_free(adv_data);
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return -1;
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}
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adv_data->next = tmp->next;
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*prev = adv_data;
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os_free(tmp);
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goto inserted;
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} else {
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if (os_strcmp(tmp->svc_name, adv_data->svc_name) == 0) {
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adv_data->next = tmp->next;
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tmp->next = adv_data;
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goto inserted;
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}
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}
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prev = &tmp->next;
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tmp = tmp->next;
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}
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/* No svc_name match found */
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adv_data->next = p2p->p2ps_adv_list;
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p2p->p2ps_adv_list = adv_data;
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inserted:
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p2p_dbg(p2p,
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"Added ASP advertisement adv_id=0x%x config_methods=0x%x svc_state=0x%x adv_str='%s'",
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adv_id, adv_data->config_methods, svc_state, adv_str);
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return 0;
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}
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int p2p_parse_dev_addr_in_p2p_ie(struct wpabuf *p2p_ie, u8 *dev_addr)
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int p2p_parse_dev_addr_in_p2p_ie(struct wpabuf *p2p_ie, u8 *dev_addr)
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{
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{
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struct p2p_message msg;
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struct p2p_message msg;
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@ -2623,6 +2749,8 @@ struct p2p_data * p2p_init(const struct p2p_config *cfg)
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void p2p_deinit(struct p2p_data *p2p)
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void p2p_deinit(struct p2p_data *p2p)
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{
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{
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struct p2ps_advertisement *adv, *prev;
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#ifdef CONFIG_WIFI_DISPLAY
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#ifdef CONFIG_WIFI_DISPLAY
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wpabuf_free(p2p->wfd_ie_beacon);
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wpabuf_free(p2p->wfd_ie_beacon);
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wpabuf_free(p2p->wfd_ie_probe_req);
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wpabuf_free(p2p->wfd_ie_probe_req);
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@ -2655,6 +2783,14 @@ void p2p_deinit(struct p2p_data *p2p)
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os_free(p2p->after_scan_tx);
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os_free(p2p->after_scan_tx);
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p2p_remove_wps_vendor_extensions(p2p);
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p2p_remove_wps_vendor_extensions(p2p);
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os_free(p2p->no_go_freq.range);
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os_free(p2p->no_go_freq.range);
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adv = p2p->p2ps_adv_list;
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while (adv) {
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prev = adv;
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adv = adv->next;
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os_free(prev);
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}
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os_free(p2p);
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os_free(p2p);
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}
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}
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@ -11,6 +11,12 @@
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#include "wps/wps_defs.h"
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#include "wps/wps_defs.h"
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/* P2P ASP Setup Capability */
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#define P2PS_SETUP_NONE 0
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#define P2PS_SETUP_NEW BIT(0)
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#define P2PS_SETUP_CLIENT BIT(1)
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#define P2PS_SETUP_GROUP_OWNER BIT(2)
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#define P2PS_WILD_HASH_STR "org.wi-fi.wfds"
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#define P2PS_WILD_HASH_STR "org.wi-fi.wfds"
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#define P2PS_HASH_LEN 6
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#define P2PS_HASH_LEN 6
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#define P2P_MAX_QUERY_HASH 6
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#define P2P_MAX_QUERY_HASH 6
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@ -147,6 +153,46 @@ struct p2p_go_neg_results {
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unsigned int peer_config_timeout;
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unsigned int peer_config_timeout;
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};
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};
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struct p2ps_advertisement {
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struct p2ps_advertisement *next;
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/**
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* svc_info - Pointer to (internal) Service defined information
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*/
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char *svc_info;
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/**
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* id - P2PS Advertisement ID
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*/
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u32 id;
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/**
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* config_methods - WPS Methods which are allowed for this service
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*/
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u16 config_methods;
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/**
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* state - Current state of the service: 0 - Out Of Service, 1-255 Vendor defined
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*/
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u8 state;
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/**
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* auto_accept - Automatically Accept provisioning request if possible.
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*/
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u8 auto_accept;
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/**
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* hash - 6 octet Service Name has to match against incoming Probe Requests
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*/
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u8 hash[P2PS_HASH_LEN];
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/**
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* svc_name - NULL Terminated UTF-8 Service Name, and svc_info storage
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*/
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char svc_name[0];
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};
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struct p2p_data;
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struct p2p_data;
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enum p2p_scan_type {
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enum p2p_scan_type {
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@ -2038,4 +2084,11 @@ void p2p_loop_on_known_peers(struct p2p_data *p2p,
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void p2p_set_vendor_elems(struct p2p_data *p2p, struct wpabuf **vendor_elem);
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void p2p_set_vendor_elems(struct p2p_data *p2p, struct wpabuf **vendor_elem);
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struct p2ps_advertisement *
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p2p_service_p2ps_id(struct p2p_data *p2p, u32 adv_id);
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int p2p_service_add_asp(struct p2p_data *p2p, int auto_accept, u32 adv_id,
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const char *adv_str, u8 svc_state,
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u16 config_methods, const char *svc_info);
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int p2p_service_del_asp(struct p2p_data *p2p, u32 adv_id);
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#endif /* P2P_H */
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#endif /* P2P_H */
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@ -493,6 +493,7 @@ struct p2p_data {
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u8 pending_channel_forced;
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u8 pending_channel_forced;
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/* ASP Support */
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/* ASP Support */
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struct p2ps_advertisement *p2ps_adv_list;
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u8 wild_card_hash[P2PS_HASH_LEN];
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u8 wild_card_hash[P2PS_HASH_LEN];
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u8 query_hash[P2P_MAX_QUERY_HASH * P2PS_HASH_LEN];
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u8 query_hash[P2P_MAX_QUERY_HASH * P2PS_HASH_LEN];
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u8 p2ps_seek;
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u8 p2ps_seek;
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@ -4914,6 +4914,106 @@ static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
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}
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}
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static int p2p_ctrl_service_add_asp(struct wpa_supplicant *wpa_s,
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u8 replace, char *cmd)
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{
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char *pos;
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char *adv_str;
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u32 auto_accept, adv_id, svc_state, config_methods;
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char *svc_info = NULL;
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pos = os_strchr(cmd, ' ');
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if (pos == NULL)
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return -1;
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*pos++ = '\0';
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/* Auto-Accept value is mandatory, and must be one of the
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* single values (0, 1, 2, 4) */
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auto_accept = atoi(cmd);
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switch (auto_accept) {
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case P2PS_SETUP_NONE: /* No auto-accept */
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case P2PS_SETUP_NEW:
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case P2PS_SETUP_CLIENT:
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case P2PS_SETUP_GROUP_OWNER:
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break;
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default:
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return -1;
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}
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/* Advertisement ID is mandatory */
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cmd = pos;
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pos = os_strchr(cmd, ' ');
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if (pos == NULL)
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return -1;
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*pos++ = '\0';
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/* Handle Adv_ID == 0 (wildcard "org.wi-fi.wfds") internally. */
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if (sscanf(cmd, "%x", &adv_id) != 1 || adv_id == 0)
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return -1;
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/* Only allow replacements if exist, and adds if not */
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if (wpas_p2p_service_p2ps_id_exists(wpa_s, adv_id)) {
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if (!replace)
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return -1;
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} else {
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if (replace)
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return -1;
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}
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/* svc_state between 0 - 0xff is mandatory */
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if (sscanf(pos, "%x", &svc_state) != 1 || svc_state > 0xff)
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return -1;
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pos = os_strchr(pos, ' ');
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if (pos == NULL)
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return -1;
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/* config_methods is mandatory */
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pos++;
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if (sscanf(pos, "%x", &config_methods) != 1)
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return -1;
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if (!(config_methods &
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(WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD | WPS_CONFIG_P2PS)))
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return -1;
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pos = os_strchr(pos, ' ');
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if (pos == NULL)
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return -1;
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pos++;
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adv_str = pos;
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/* Advertisement string is mandatory */
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if (!pos[0] || pos[0] == ' ')
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return -1;
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/* Terminate svc string */
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pos = os_strchr(pos, ' ');
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if (pos != NULL)
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*pos++ = '\0';
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/* Service and Response Information are optional */
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if (pos && pos[0]) {
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size_t len;
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/* Note the bare ' included, which cannot exist legally
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* in unescaped string. */
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svc_info = os_strstr(pos, "svc_info='");
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if (svc_info) {
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svc_info += 9;
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len = os_strlen(svc_info);
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utf8_unescape(svc_info, len, svc_info, len);
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}
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}
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return wpas_p2p_service_add_asp(wpa_s, auto_accept, adv_id, adv_str,
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(u8) svc_state, (u16) config_methods,
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svc_info);
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}
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static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
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static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
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{
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{
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char *pos;
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char *pos;
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@ -4927,6 +5027,8 @@ static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
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return p2p_ctrl_service_add_bonjour(wpa_s, pos);
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return p2p_ctrl_service_add_bonjour(wpa_s, pos);
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if (os_strcmp(cmd, "upnp") == 0)
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if (os_strcmp(cmd, "upnp") == 0)
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return p2p_ctrl_service_add_upnp(wpa_s, pos);
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return p2p_ctrl_service_add_upnp(wpa_s, pos);
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if (os_strcmp(cmd, "asp") == 0)
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return p2p_ctrl_service_add_asp(wpa_s, 0, pos);
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wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
|
wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
|
||||||
return -1;
|
return -1;
|
||||||
}
|
}
|
||||||
|
@ -4974,6 +5076,17 @@ static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static int p2p_ctrl_service_del_asp(struct wpa_supplicant *wpa_s, char *cmd)
|
||||||
|
{
|
||||||
|
u32 adv_id;
|
||||||
|
|
||||||
|
if (sscanf(cmd, "%x", &adv_id) != 1)
|
||||||
|
return -1;
|
||||||
|
|
||||||
|
return wpas_p2p_service_del_asp(wpa_s, adv_id);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
|
static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
|
||||||
{
|
{
|
||||||
char *pos;
|
char *pos;
|
||||||
|
@ -4987,6 +5100,25 @@ static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
|
||||||
return p2p_ctrl_service_del_bonjour(wpa_s, pos);
|
return p2p_ctrl_service_del_bonjour(wpa_s, pos);
|
||||||
if (os_strcmp(cmd, "upnp") == 0)
|
if (os_strcmp(cmd, "upnp") == 0)
|
||||||
return p2p_ctrl_service_del_upnp(wpa_s, pos);
|
return p2p_ctrl_service_del_upnp(wpa_s, pos);
|
||||||
|
if (os_strcmp(cmd, "asp") == 0)
|
||||||
|
return p2p_ctrl_service_del_asp(wpa_s, pos);
|
||||||
|
wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static int p2p_ctrl_service_replace(struct wpa_supplicant *wpa_s, char *cmd)
|
||||||
|
{
|
||||||
|
char *pos;
|
||||||
|
|
||||||
|
pos = os_strchr(cmd, ' ');
|
||||||
|
if (pos == NULL)
|
||||||
|
return -1;
|
||||||
|
*pos++ = '\0';
|
||||||
|
|
||||||
|
if (os_strcmp(cmd, "asp") == 0)
|
||||||
|
return p2p_ctrl_service_add_asp(wpa_s, 1, pos);
|
||||||
|
|
||||||
wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
|
wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
|
||||||
return -1;
|
return -1;
|
||||||
}
|
}
|
||||||
|
@ -7735,6 +7867,9 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
|
||||||
} else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
|
} else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
|
||||||
if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
|
if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
|
||||||
reply_len = -1;
|
reply_len = -1;
|
||||||
|
} else if (os_strncmp(buf, "P2P_SERVICE_REP ", 16) == 0) {
|
||||||
|
if (p2p_ctrl_service_replace(wpa_s, buf + 16) < 0)
|
||||||
|
reply_len = -1;
|
||||||
} else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
|
} else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
|
||||||
if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
|
if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
|
||||||
reply_len = -1;
|
reply_len = -1;
|
||||||
|
|
|
@ -2868,6 +2868,35 @@ void wpas_p2p_service_flush(struct wpa_supplicant *wpa_s)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
int wpas_p2p_service_p2ps_id_exists(struct wpa_supplicant *wpa_s, u32 adv_id)
|
||||||
|
{
|
||||||
|
if (adv_id == 0)
|
||||||
|
return 1;
|
||||||
|
|
||||||
|
if (p2p_service_p2ps_id(wpa_s->global->p2p, adv_id))
|
||||||
|
return 1;
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
int wpas_p2p_service_del_asp(struct wpa_supplicant *wpa_s, u32 adv_id)
|
||||||
|
{
|
||||||
|
return p2p_service_del_asp(wpa_s->global->p2p, adv_id);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
int wpas_p2p_service_add_asp(struct wpa_supplicant *wpa_s,
|
||||||
|
int auto_accept, u32 adv_id,
|
||||||
|
const char *adv_str, u8 svc_state,
|
||||||
|
u16 config_methods, const char *svc_info)
|
||||||
|
{
|
||||||
|
return p2p_service_add_asp(wpa_s->global->p2p, auto_accept, adv_id,
|
||||||
|
adv_str, svc_state, config_methods,
|
||||||
|
svc_info);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
int wpas_p2p_service_add_bonjour(struct wpa_supplicant *wpa_s,
|
int wpas_p2p_service_add_bonjour(struct wpa_supplicant *wpa_s,
|
||||||
struct wpabuf *query, struct wpabuf *resp)
|
struct wpabuf *query, struct wpabuf *resp)
|
||||||
{
|
{
|
||||||
|
|
|
@ -84,6 +84,11 @@ int wpas_p2p_service_add_upnp(struct wpa_supplicant *wpa_s, u8 version,
|
||||||
const char *service);
|
const char *service);
|
||||||
int wpas_p2p_service_del_upnp(struct wpa_supplicant *wpa_s, u8 version,
|
int wpas_p2p_service_del_upnp(struct wpa_supplicant *wpa_s, u8 version,
|
||||||
const char *service);
|
const char *service);
|
||||||
|
int wpas_p2p_service_add_asp(struct wpa_supplicant *wpa_s, int auto_accept,
|
||||||
|
u32 adv_id, const char *adv_str, u8 svc_state,
|
||||||
|
u16 config_methods, const char *svc_info);
|
||||||
|
int wpas_p2p_service_del_asp(struct wpa_supplicant *wpa_s, u32 adv_id);
|
||||||
|
int wpas_p2p_service_p2ps_id_exists(struct wpa_supplicant *wpa_s, u32 adv_id);
|
||||||
int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr);
|
int wpas_p2p_reject(struct wpa_supplicant *wpa_s, const u8 *addr);
|
||||||
int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
|
int wpas_p2p_invite(struct wpa_supplicant *wpa_s, const u8 *peer_addr,
|
||||||
struct wpa_ssid *ssid, const u8 *go_dev_addr, int freq,
|
struct wpa_ssid *ssid, const u8 *go_dev_addr, int freq,
|
||||||
|
|
|
@ -1975,27 +1975,25 @@ static int wpa_cli_cmd_p2p_service_flush(struct wpa_ctrl *ctrl, int argc,
|
||||||
static int wpa_cli_cmd_p2p_service_add(struct wpa_ctrl *ctrl, int argc,
|
static int wpa_cli_cmd_p2p_service_add(struct wpa_ctrl *ctrl, int argc,
|
||||||
char *argv[])
|
char *argv[])
|
||||||
{
|
{
|
||||||
char cmd[4096];
|
if (argc < 3) {
|
||||||
int res;
|
printf("Invalid P2P_SERVICE_ADD command: needs 3-6 arguments\n");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
if (argc != 3 && argc != 4) {
|
return wpa_cli_cmd(ctrl, "P2P_SERVICE_ADD", 3, argc, argv);
|
||||||
printf("Invalid P2P_SERVICE_ADD command: needs three or four "
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static int wpa_cli_cmd_p2p_service_rep(struct wpa_ctrl *ctrl, int argc,
|
||||||
|
char *argv[])
|
||||||
|
{
|
||||||
|
if (argc < 5 || argc > 6) {
|
||||||
|
printf("Invalid P2P_SERVICE_REP command: needs 5-6 "
|
||||||
"arguments\n");
|
"arguments\n");
|
||||||
return -1;
|
return -1;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (argc == 4)
|
return wpa_cli_cmd(ctrl, "P2P_SERVICE_REP", 5, argc, argv);
|
||||||
res = os_snprintf(cmd, sizeof(cmd),
|
|
||||||
"P2P_SERVICE_ADD %s %s %s %s",
|
|
||||||
argv[0], argv[1], argv[2], argv[3]);
|
|
||||||
else
|
|
||||||
res = os_snprintf(cmd, sizeof(cmd),
|
|
||||||
"P2P_SERVICE_ADD %s %s %s",
|
|
||||||
argv[0], argv[1], argv[2]);
|
|
||||||
if (os_snprintf_error(sizeof(cmd), res))
|
|
||||||
return -1;
|
|
||||||
cmd[sizeof(cmd) - 1] = '\0';
|
|
||||||
return wpa_ctrl_command(ctrl, cmd);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
@ -2918,8 +2916,12 @@ static struct wpa_cli_cmd wpa_cli_commands[] = {
|
||||||
"= remove all stored service entries" },
|
"= remove all stored service entries" },
|
||||||
{ "p2p_service_add", wpa_cli_cmd_p2p_service_add, NULL,
|
{ "p2p_service_add", wpa_cli_cmd_p2p_service_add, NULL,
|
||||||
cli_cmd_flag_none,
|
cli_cmd_flag_none,
|
||||||
"<bonjour|upnp> <query|version> <response|service> = add a local "
|
"<bonjour|upnp|asp> <query|version> <response|service> = add a local "
|
||||||
"service" },
|
"service" },
|
||||||
|
{ "p2p_service_rep", wpa_cli_cmd_p2p_service_rep, NULL,
|
||||||
|
cli_cmd_flag_none,
|
||||||
|
"asp <auto> <adv_id> <svc_state> <svc_string> [<svc_info>] = replace "
|
||||||
|
"local ASP service" },
|
||||||
{ "p2p_service_del", wpa_cli_cmd_p2p_service_del, NULL,
|
{ "p2p_service_del", wpa_cli_cmd_p2p_service_del, NULL,
|
||||||
cli_cmd_flag_none,
|
cli_cmd_flag_none,
|
||||||
"<bonjour|upnp> <query|version> [|service] = remove a local "
|
"<bonjour|upnp> <query|version> [|service] = remove a local "
|
||||||
|
|
Loading…
Reference in a new issue