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22 Commits

Author SHA1 Message Date
xueyunfei
392533f0e2 Fixed bug for dhcp server support CIDR 
Closes https://github.com/espressif/esp-idf/issues/10024

Closes https://github.com/espressif/esp-idf/issues/10559
 2023-03-15 16:20:33 +08:00
xueyunfei
446b49cc15 dhcp server:bugfix softap excedes the range of subnet 2023-03-15 14:35:42 +08:00
David Cermak
b5d13b9837 lwip/dhcpserver: Support for adding extra opts 
This enables users appending an extra, user defined options in dhcp
server messages. Example of adding captive_portal option (160) to dhcp
offer message is provided:
* Add idf-lwip hook file (project makefile):
  idf_component_get_property(lwip lwip COMPONENT_LIB)
  target_compile_options(${lwip} PRIVATE "-I${PROJECT_DIR}/main")
  target_compile_definitions(${lwip} PRIVATE "-DESP_IDF_LWIP_HOOK_FILENAME=\"add_captive_portal.h\"")
* Implement appending (add_captive_portal.h):
  #pragma once
  #define LWIP_HOOK_DHCPS_POST_APPEND_OPTS(netif, dhcp, state, pp_opts) \
  if ((state)==DHCPOFFER) { *(pp_opts) = append_captive_portal_uri(*(pp_opts)); }
  static inline uint8_t *append_captive_portal_uri(uint8_t *optptr)
  {
    const static uint8_t DHCP_OPTION_CAPTIVE_PORTAL=160;
    const static char CAPTIVE_PORTAL_URI[]="my_uri";
    int size = sizeof(CAPTIVE_PORTAL_URI) - 1;
    *optptr++ = DHCP_OPTION_CAPTIVE_PORTAL;
    *optptr++ = size;
    for(int i = 0; i < size; ++i) {
        *optptr++ = CAPTIVE_PORTAL_URI[i];
    }
    return optptr;
  }

Merges https://github.com/espressif/esp-idf/pull/3308
 2022-07-26 07:09:22 +00:00
David Cermak
5aa3be11fd dhcpserver: Minor #idfef fix 2022-05-18 17:11:35 +02:00
David Cermak
27375c7917 esp_netif: Cleanup dhcp-server allocations 2022-03-13 19:40:00 +01:00
David Cermak
1b49cf373f lwip/dhcps: Fix fuzzer compilation 2022-03-13 19:40:00 +01:00
David Cermak
3d1c05aefb lwip/dhcps: Add dhcps callback argument for associated netif 2022-03-13 19:40:00 +01:00
David Cermak
5f135741a1 lwip/dhcpserver: Add return value to API that could fail 2022-03-13 19:40:00 +01:00
David Cermak
afe6bc0c88 lwip/dhcp_server: Fix mem-leaks caught by UT's 2022-03-13 19:40:00 +01:00
David Cermak
c005b04d1c lwip/dhcps: Support for dynamic dhcp server instances 2022-03-13 19:39:21 +01:00
David Cermak
bab051f450 lwip/dhcps: Cleanup internal lwip and esp-netif dependency 2022-03-13 19:38:15 +01:00
David Cermak
05911fd4a1 lwip: Add dhcp servers post processing hook 
In order to access DHCP messages from clients in different states
and possibly to implement custom handlers that alter the current state,
e.g. reject a client with specific hostname using NAK.
 2022-01-26 07:18:48 +01:00
David Cermak
e3d71c984a lwip: Add client's MAC addr to dhcp server cb 
* Extended storage for staipassigned events to pass client's MAC address.
* Added client's MAC to dhcp server callback
* Posting the staipassigned events with clients IP and MAC address
 2022-01-25 13:08:43 +01:00
David Cermak
96911fb7ea lwip: Fix DHCP Server to remove clients record if request not acked 
When client's request refused by sending NAK, its record still resided
in the linked list of pooled addresses. It is okay from the spec
perspective (RFC2131.p16: Server MAY mark the offered address
unavailable), but would consume some memory if the client didn't retry.

Closes https://github.com/espressif/esp-idf/issues/6410
 2021-06-24 15:10:24 +08:00
Angus Gratton
66fb5a29bb Whitespace: Automated whitespace fixes (large commit) 
Apply the pre-commit hook whitespace fixes to all files in the repo.

(Line endings, blank lines at end of file, trailing whitespace)
 2020-11-11 07:36:35 +00:00
David Cermak
fa57bdbdbe dhcpserver: make subnet mask configurable 
Closes https://github.com/espressif/esp-idf/issues/4988
 2020-04-30 14:04:22 +00:00
David Cermak
72d54b68a6 lwip: dhcp-server fix static analysis warnings 
1) kill_oldest_dhcps_pool() is only called when list has at least two members (assured with kconfig value limit), added assertion to ensure this function is used only when prerequisities are met
2) use after free reported in two places, since the analyzer checks also the scenario when the linked list has loops, added ignore tags
 2020-03-27 18:46:39 +01:00
David Cermak
ffe043b1a8 esp_netif: Introduction of esp-netif component as a replacement of tcpip_adpter 
- provides object oriented access to network intefaces
- not limited to default netifs
- more generic abstraction to network input output functions
- event handler registration removed from component responsibility
- backward compatibility layer for legacy tcpip_apapter APIs

Closes IDF-39
 2019-11-13 12:36:25 +01:00
Anton Maklakov
afbaf74007 tools: Mass fixing of empty prototypes (for -Wstrict-prototypes) 2019-08-01 16:28:56 +07:00
zhangyanjiao
fa2998d70b dhcpserver: suppress send_nak debug output 
Closes https://github.com/espressif/esp-idf/issues/2924
 2019-03-14 14:00:35 +08:00
zhangyanjiao
27cc0d1f91 modify the behavior for dhcpserver and tcpip_adapter: 
1. dhcp_server: suppress send_offer debug output
2. tcpip_adapter: zero-initialize system_event_t structures
3. tcpip_adapter: pass client IP address along with SYSTEM_EVENT_AP_STAIPASSIGNED

Closes https://github.com/espressif/esp-idf/issues/2924
Closes https://github.com/espressif/esp-idf/issues/2949
 2019-03-11 12:11:05 +08:00
Zhang Yan Jiao
3578fe39e0 Feature/sync lwip as submodule 2018-09-06 19:43:08 +08:00