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mip_test.c http fetch (#1851)
* Update mip_test.c
* Adding mip_free() function.
* Adding mip_free() function.
* Added MIP free.
* Fixed C++ builds.
* Proper C/C++ struct initialization.
* Squashed commit of the following:
commit 7ba68dd20dc34147cd545479edde909c6c4f8832
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Wed Nov 16 16:19:50 2022 +0100
Proper C/C++ struct initialization.
commit aeab3ef7acb3315c7f356f6a2dc21f80e9341161
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Tue Nov 15 17:09:29 2022 +0100
Fixed C++ builds.
commit 2afd52910724a6bdb75d0aba551fb0eac0c3eebb
Merge: 14710b81 f8445a4c
Author: jfsimon1981 <jfsimon1981@gmail.com>
Date: Tue Nov 15 11:33:56 2022 +0100
Merge branch 'cesanta:master' into master
commit 14710b81e43640688a1d5603d6ea3b2d72850947
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Tue Nov 15 11:07:15 2022 +0100
Added MIP free.
commit 6393cd149dc77f8f14f816b3607b0bb25031fceb
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Tue Nov 15 11:06:44 2022 +0100
Adding mip_free() function.
commit feee81b7339b660dc130e45468ad87daf559659e
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Tue Nov 15 11:05:55 2022 +0100
Adding mip_free() function.
commit f8445a4c8589a08b5afd9c08829fc0138a322ab5
Merge: a39b7ddb 71f5be01
Author: Sergio R. Caprile <scaprile@users.noreply.github.com>
Date: Fri Nov 11 20:42:38 2022 -0300
Merge pull request #1853 from cesanta/tibaremetaltest
Update test.yml
commit 71f5be011bebdd472890f036fa1fbaa2c6b69af7
Author: Sergio R. Caprile <scaprile@users.noreply.github.com>
Date: Fri Nov 11 20:15:01 2022 -0300
Update test.yml
commit b53d3cf0329611e3cd17f977050fda702c244fa0
Merge: 7a71038a a39b7ddb
Author: jfsimon1981 <jfsimon1981@gmail.com>
Date: Fri Nov 11 16:10:53 2022 +0100
Merge branch 'cesanta:master' into master
commit 7a71038a2755727763895c20b9bba1ad5dd08862
Author: jfsimon1981 <jfsimon1981@gmail.com>
Date: Fri Nov 11 16:09:22 2022 +0100
Update mip_test.c
commit a39b7ddbac3f3ce94ee289cace8a7bda609a2c9f
Author: cpq <valenok@gmail.com>
Date: Fri Nov 11 15:03:48 2022 +0000
Fix fuzzer use-after-poison READ 1
* Squashed commit of the following:
commit 192ae56ece70384b4504928e93f732ce45bfea2e
Merge: 7b0509c8 7ba68dd2
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Wed Nov 16 17:44:03 2022 +0100
Merge branch 'master' of https://github.com/jfsimon1981/mongoose
commit 7b0509c878d758e7148da1665f9b92adee025d7e
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Wed Nov 16 17:43:33 2022 +0100
Squashed commit of the following:
commit 7ba68dd20dc34147cd545479edde909c6c4f8832
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Wed Nov 16 16:19:50 2022 +0100
Proper C/C++ struct initialization.
commit aeab3ef7acb3315c7f356f6a2dc21f80e9341161
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Tue Nov 15 17:09:29 2022 +0100
Fixed C++ builds.
commit 2afd52910724a6bdb75d0aba551fb0eac0c3eebb
Merge: 14710b81 f8445a4c
Author: jfsimon1981 <jfsimon1981@gmail.com>
Date: Tue Nov 15 11:33:56 2022 +0100
Merge branch 'cesanta:master' into master
commit 14710b81e43640688a1d5603d6ea3b2d72850947
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Tue Nov 15 11:07:15 2022 +0100
Added MIP free.
commit 6393cd149dc77f8f14f816b3607b0bb25031fceb
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Tue Nov 15 11:06:44 2022 +0100
Adding mip_free() function.
commit feee81b7339b660dc130e45468ad87daf559659e
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Tue Nov 15 11:05:55 2022 +0100
Adding mip_free() function.
commit f8445a4c8589a08b5afd9c08829fc0138a322ab5
Merge: a39b7ddb 71f5be01
Author: Sergio R. Caprile <scaprile@users.noreply.github.com>
Date: Fri Nov 11 20:42:38 2022 -0300
Merge pull request #1853 from cesanta/tibaremetaltest
Update test.yml
commit 71f5be011bebdd472890f036fa1fbaa2c6b69af7
Author: Sergio R. Caprile <scaprile@users.noreply.github.com>
Date: Fri Nov 11 20:15:01 2022 -0300
Update test.yml
commit b53d3cf0329611e3cd17f977050fda702c244fa0
Merge: 7a71038a a39b7ddb
Author: jfsimon1981 <jfsimon1981@gmail.com>
Date: Fri Nov 11 16:10:53 2022 +0100
Merge branch 'cesanta:master' into master
commit 7a71038a2755727763895c20b9bba1ad5dd08862
Author: jfsimon1981 <jfsimon1981@gmail.com>
Date: Fri Nov 11 16:09:22 2022 +0100
Update mip_test.c
commit a39b7ddbac3f3ce94ee289cace8a7bda609a2c9f
Author: cpq <valenok@gmail.com>
Date: Fri Nov 11 15:03:48 2022 +0000
Fix fuzzer use-after-poison READ 1
commit 7ba68dd20dc34147cd545479edde909c6c4f8832
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Wed Nov 16 16:19:50 2022 +0100
Proper C/C++ struct initialization.
commit aeab3ef7acb3315c7f356f6a2dc21f80e9341161
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Tue Nov 15 17:09:29 2022 +0100
Fixed C++ builds.
commit 2afd52910724a6bdb75d0aba551fb0eac0c3eebb
Merge: 14710b81 f8445a4c
Author: jfsimon1981 <jfsimon1981@gmail.com>
Date: Tue Nov 15 11:33:56 2022 +0100
Merge branch 'cesanta:master' into master
commit 14710b81e43640688a1d5603d6ea3b2d72850947
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Tue Nov 15 11:07:15 2022 +0100
Added MIP free.
commit 6393cd149dc77f8f14f816b3607b0bb25031fceb
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Tue Nov 15 11:06:44 2022 +0100
Adding mip_free() function.
commit feee81b7339b660dc130e45468ad87daf559659e
Author: Jean-Francois Simon <jfsimon@startmail.com>
Date: Tue Nov 15 11:05:55 2022 +0100
Adding mip_free() function.
commit f8445a4c8589a08b5afd9c08829fc0138a322ab5
Merge: a39b7ddb 71f5be01
Author: Sergio R. Caprile <scaprile@users.noreply.github.com>
Date: Fri Nov 11 20:42:38 2022 -0300
Merge pull request #1853 from cesanta/tibaremetaltest
Update test.yml
commit 71f5be011bebdd472890f036fa1fbaa2c6b69af7
Author: Sergio R. Caprile <scaprile@users.noreply.github.com>
Date: Fri Nov 11 20:15:01 2022 -0300
Update test.yml
commit b53d3cf0329611e3cd17f977050fda702c244fa0
Merge: 7a71038a a39b7ddb
Author: jfsimon1981 <jfsimon1981@gmail.com>
Date: Fri Nov 11 16:10:53 2022 +0100
Merge branch 'cesanta:master' into master
commit a39b7ddbac3f3ce94ee289cace8a7bda609a2c9f
Author: cpq <valenok@gmail.com>
Date: Fri Nov 11 15:03:48 2022 +0000
Fix fuzzer use-after-poison READ 1
Co-authored-by: Jean-Francois Simon <jfsimon@startmail.com>
This commit is contained in:
jfsimon1981
GitHub
parent
f8445a4c85
commit
07aac8e6e9
@ -478,7 +478,7 @@ static size_t tx_tcp(struct mip_if *ifp, uint32_t dst_ip, uint8_t flags,
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struct ip *ip = tx_ip(ifp, 6, ifp->ip, dst_ip, sizeof(struct tcp) + len);
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struct tcp *tcp = (struct tcp *) (ip + 1);
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memset(tcp, 0, sizeof(*tcp));
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memmove(tcp + 1, buf, len);
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if (buf != NULL && len) memmove(tcp + 1, buf, len);
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tcp->sport = sport;
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tcp->dport = dport;
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tcp->seq = seq;
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@ -845,6 +845,11 @@ void mip_init(struct mg_mgr *mgr, struct mip_if *ifp) {
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}
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}
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void mip_free(struct mip_if * ifp) {
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free((char *)ifp->rx.ptr);
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free((char *)ifp->tx.ptr);
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}
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int mg_mkpipe(struct mg_mgr *m, mg_event_handler_t fn, void *d, bool udp) {
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(void) m, (void) fn, (void) d, (void) udp;
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MG_ERROR(("Not implemented"));
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@ -50,6 +50,7 @@ struct mip_if {
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};
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void mip_init(struct mg_mgr *, struct mip_if *);
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void mip_free(struct mip_if *);
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extern struct mip_driver mip_driver_stm32;
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extern struct mip_driver mip_driver_enc28j60;
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@ -7007,7 +7007,7 @@ static size_t tx_tcp(struct mip_if *ifp, uint32_t dst_ip, uint8_t flags,
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struct ip *ip = tx_ip(ifp, 6, ifp->ip, dst_ip, sizeof(struct tcp) + len);
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struct tcp *tcp = (struct tcp *) (ip + 1);
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memset(tcp, 0, sizeof(*tcp));
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memmove(tcp + 1, buf, len);
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if (buf != NULL && len) memmove(tcp + 1, buf, len);
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tcp->sport = sport;
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tcp->dport = dport;
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tcp->seq = seq;
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@ -7374,6 +7374,11 @@ void mip_init(struct mg_mgr *mgr, struct mip_if *ifp) {
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}
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}
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void mip_free(struct mip_if * ifp) {
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free((char *)ifp->rx.ptr);
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free((char *)ifp->tx.ptr);
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}
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int mg_mkpipe(struct mg_mgr *m, mg_event_handler_t fn, void *d, bool udp) {
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(void) m, (void) fn, (void) d, (void) udp;
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MG_ERROR(("Not implemented"));
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@ -1467,6 +1467,7 @@ struct mip_if {
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};
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void mip_init(struct mg_mgr *, struct mip_if *);
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void mip_free(struct mip_if *);
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extern struct mip_driver mip_driver_stm32;
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extern struct mip_driver mip_driver_enc28j60;
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200
test/mip_test.c
200
test/mip_test.c
@ -4,9 +4,25 @@
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#define MG_ENABLE_PACKED_FS 0
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#include <assert.h>
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#include <linux/if.h>
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#include <linux/if_tun.h>
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#include <sys/ioctl.h>
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#include "mongoose.c"
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#include "driver_mock.c"
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#include "driver_mock.c"
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static int s_num_tests = 0;
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#define ASSERT(expr) \
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do { \
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s_num_tests++; \
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if (!(expr)) { \
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printf("FAILURE %s:%d: %s\n", __FILE__, __LINE__, #expr); \
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abort(); \
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} \
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} while (0)
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static void test_queue(void) {
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static uint8_t
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@ -49,9 +65,191 @@ static void test_statechange(void) {
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onstatechange(&iface);
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}
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// MIP TUNTAP driver
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static size_t tap_rx(void *buf, size_t len, void *userdata) {
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ssize_t received = read(*(int *) userdata, buf, len);
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usleep(1); // This is to avoid 100% CPU
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if (received < 0) return 0;
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return (size_t) received;
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}
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static size_t tap_tx(const void *buf, size_t len, void *userdata) {
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ssize_t res = write(*(int *) userdata, buf, len);
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if (res < 0) {
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MG_ERROR(("tap_tx failed: %d", errno));
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return 0;
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}
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return (size_t) res;
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}
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static bool tap_up(void *userdata) {
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return userdata ? true : false;
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}
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// HTTP fetches IOs
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struct Post_reply {
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char* post; // HTTP POST data
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void* http_response; // Server response(s)
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unsigned int http_responses_received; // Number responses received
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};
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char *fetch(struct mg_mgr *mgr, const char *url, const char *post_data);
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static void f_http_fetch_query(struct mg_connection *c, int ev, void *ev_data, void *fn_data);
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int get_response_code(char *); // Returns HTTP status code from full char* msg
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static void f_http_fetch_query(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
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static char* http_response = 0;
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static bool http_response_allocated = 0; // So that we will update out parameter
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unsigned int http_responses_received = 0;
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struct Post_reply *post_reply_l;
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post_reply_l = (struct Post_reply*)fn_data;
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if (ev == MG_EV_CONNECT) {
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mg_printf(c, post_reply_l->post);
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} else if (ev == MG_EV_HTTP_MSG) {
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struct mg_http_message *hm = (struct mg_http_message *) ev_data;
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http_responses_received++;
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if (!http_response_allocated) {
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http_response = (char*)mg_strdup(hm->message).ptr;
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http_response_allocated = 1;
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}
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if (http_responses_received > 0) {
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post_reply_l->http_response = http_response;
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post_reply_l->http_responses_received = http_responses_received;
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}
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}
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}
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// Fetch utility returns message from fetch(..., URL, POST)
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char *fetch(struct mg_mgr *mgr, const char *url, const char *fn_data) {
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struct Post_reply post_reply;
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{
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post_reply.post=(char*)fn_data;
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post_reply.http_response=0;
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post_reply.http_responses_received=0;
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}
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struct mg_connection *conn;
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conn = mg_http_connect(mgr, url, f_http_fetch_query, &post_reply);
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ASSERT(conn != NULL); // Assertion on initialisation
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for (int i = 0; i < 500 && !post_reply.http_responses_received; i++) {
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mg_mgr_poll(mgr, 100);
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usleep(10000); // 10 ms. Slow down poll loop to ensure packets transit
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}
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conn->is_closing = 1;
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mg_mgr_poll(mgr, 0);
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if (!post_reply.http_responses_received)
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return 0;
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else
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return (char*)post_reply.http_response;
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}
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// Returns server's HTTP response code
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int get_response_code(char * http_msg_raw) {
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int http_status = 0;
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struct mg_http_message http_msg_parsed;
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if (mg_http_parse(http_msg_raw, strlen(http_msg_raw), &http_msg_parsed)) {
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http_status = mg_http_status(&http_msg_parsed);
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} else {
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printf("Error: mg_http_parse()\n");
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ASSERT(http_status != 0); // Couldn't parse.
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}
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return http_status;
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}
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static void test_http_fetch(void) {
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// Setup interface
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const char *iface = "tap0"; // Network iface
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const char *mac = "00:00:01:02:03:78"; // MAC address
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int fd = open("/dev/net/tun", O_RDWR); // Open network interface
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struct ifreq ifr;
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memset(&ifr, 0, sizeof(ifr));
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strncpy(ifr.ifr_name, iface, IFNAMSIZ);
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ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
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if (ioctl(fd, TUNSETIFF, (void *) &ifr) < 0) {
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MG_ERROR(("Failed to setup TAP interface: %s", ifr.ifr_name));
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abort(); // return EXIT_FAILURE;
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}
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fcntl(fd, F_SETFL, fcntl(fd, F_GETFL, 0) | O_NONBLOCK); // Non-blocking mode
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MG_INFO(("Opened TAP interface: %s", iface));
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// Events
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struct mg_mgr mgr; // Event manager
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mg_mgr_init(&mgr); // Initialise event manager
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// MIP driver
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// Zero init fields required (C/C++ style diverge)
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#ifndef __cplusplus
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struct mip_driver driver = {.tx = tap_tx, .up = tap_up, .rx = tap_rx};
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struct mip_if mif = {.use_dhcp = true, .driver = &driver, .driver_data = &fd};
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#else
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struct mip_driver driver {};
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driver.tx = tap_tx;
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driver.up = tap_up;
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driver.rx = tap_rx;
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struct mip_if mif {};
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mif.use_dhcp = true;
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mif.driver = &driver;
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mif.driver_data = &fd;
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#endif
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sscanf(mac, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &mif.mac[0], &mif.mac[1], &mif.mac[2],
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&mif.mac[3], &mif.mac[4], &mif.mac[5]);
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mip_init(&mgr, &mif);
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MG_INFO(("Init done, starting main loop"));
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// DHCP lease
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{
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if (mif.ip) printf("MIF configuration error: not configured for DHCP\n");
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ASSERT(!mif.ip); // Check we are set for DHCP
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int pc = 500; // Timout on DHCP lease 500 ~ approx 5s (typical delay <1s)
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while (((pc--)>0)/* & !mif.ip*/) {
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mg_mgr_poll(&mgr, 100);
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usleep(10000); // 10 ms
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}
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if (!mif.ip) printf("DHCP lease failed.\n");
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ASSERT(mif.ip); // We have a received lease
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}
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// Simple HTTP fetch
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{
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char* http_feedback = (char*)"";
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const bool ipv6 = 0;
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if (ipv6) {
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http_feedback = fetch (&mgr, "ipv6.google.com",\
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"GET/ HTTP/1.0\r\nHost: ipv6.google.com\r\n\r\n");
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} else {
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http_feedback = fetch (&mgr, "http://cesanta.com",\
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"GET //robots.txt HTTP/1.0\r\nHost: cesanta.com\r\n\r\n");
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}
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ASSERT(*http_feedback != '\0'); // Received HTTP response ?
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int http_status = get_response_code(http_feedback);
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// printf("Server response HTTP status code: %d\n",http_status);
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ASSERT(http_status != 0);
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ASSERT(http_status == 301); // OK: Permanently moved (HTTP->HTTPS redirect)
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if (http_feedback) {
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free(http_feedback);
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http_feedback = 0;
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}
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}
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// Clear
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mip_free(&mif);
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mg_mgr_free(&mgr);
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ASSERT(mgr.conns == NULL); // Deconstruction OK
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close(fd);
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}
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int main(void) {
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test_queue();
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test_statechange();
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test_http_fetch();
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printf("SUCCESS\n");
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return 0;
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}
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