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notes.txt
322 lines (233 loc) · 7.42 KB
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notes.txt
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Charles notes:
192.168.11.169 < default sender.
192.168.11.147 < other guy.
additional notes:
https://github.com/ernacktob/esp8266_wifi_raw
^^ This guy wins.
https://github.com/SuperHouse/esp-open-rtos/issues/4
Consider: eagle_lwip_getif
A second step would be writing a function in C that replicates the ieee80211_send_probereq,
basically creating a management frame using ieee80211_getmgtframe, configuring it and finally outputting the frame via ieee80211_mgmt_output which internally calls ieee80211_raw_output which in my opinion is replaced by ppTxPkt in ESP, so maybe the signature is similar. But I didn't go down that road so much. Help would be appreciated.
http://www.esp8266.com/viewtopic.php?f=6&t=3481&p=19857&hilit=ppTxPkt#p19857
//ieee80211_output_pbuf here:
https://github.com/kadamski/esp-lwip/blob/esp8266-1.4.1/our/eagle_lwip_if.c
Also..
The very answer to your question.
With ieee80211_output_pbuf can be sent only ethernet packets. Campaign you need to pick ieee80211_send_mgmt, but already there is a dark forest.
Dispatch is ppTxPkt (void * x), where x + 0x20 some pointer ...
ieee80211_send_mgmt inserts poppies - Net handles wifi frame in the frame.
https://github.com/angelovAlex/esp-blobs/tree/c8d4d39b9137c5c32a464fee223dd71ec686f4d6
Some really excessive code:
//I have no found this function is useless.
//struct ieee80211_node * eagle_lwip_getif(int id); //Always make id = 1;
void * pxpkt = 0;
static void txcb(uint8_t *buf, uint16 reason)
{
pxpkt = buf;
return;
char ct[16];
int i = 0;
ets_sprintf( ct, "<%p %d --> NODE:%p\n", buf, reason, eagle_lwip_getif(1) );
uart0_sendStr( ct );
for( i = 0; i <100; i++ )
{
ets_sprintf( ct, "%02x ", buf[i] );
uart0_sendStr( ct );
}
uart0_sendStr( "\n" );
uint8_t * innerbuf = ((uint32_t*)buf)[1];
ets_sprintf( ct, "\nInner [1]: %p\n", innerbuf );
uart0_sendStr( ct );
for( i = 0; i <100; i++ )
{
ets_sprintf( ct, "%02x ", innerbuf[i] );
uart0_sendStr( ct );
}
innerbuf = ((uint32_t*)buf)[4];
ets_sprintf( ct, "\nInner [4]: %p\n", innerbuf );
uart0_sendStr( ct );
for( i = 0; i <100; i++ )
{
ets_sprintf( ct, "%02x ", innerbuf[i] );
uart0_sendStr( ct );
}
innerbuf = ((uint32_t*)buf)[8];
ets_sprintf( ct, "\nInner [8]: %p\n", innerbuf ); //nothing else here...
uart0_sendStr( ct );
for( i = 0; i <100; i++ )
{
ets_sprintf( ct, "%02x ", innerbuf[i] );
uart0_sendStr( ct );
}
uint32_t * inner8next = innerbuf;
inner8next = inner8next[5];
ets_sprintf( ct, "\nInner [8][5]: %p\n", inner8next ); //Nothing more here.
uart0_sendStr( ct );
for( i = 0; i <100; i++ )
{
ets_sprintf( ct, "%02x ", ((uint8_t*)inner8next)[i] );
uart0_sendStr( ct );
}
}
//Timer event.
static void
myTimer(void *arg)
{
int i;
uart0_sendStr(".");
#if 0
uint32_t * pxt[512];
ets_memset( pxt, 0, sizeof( pxt ) );
/* struct A5Struct
{
uint8_t q0;
uint8_t q1;
uint8_t q2;
uint8_t q3;
uint8_t a0;
uint8_t q5;
uint8_t a3;
uint8_t q7;
} a5;
a5.a0 = 0x06; //??? (extui a0, a0, 0, 4) where the last 2 are shift,mask
a5.a3 = 0x00; //??? (extui a3, a3, 4, 3)
/*
//a2 is a pointer.
//Make stack 16 bigger.
//Push a0, a12 to stack.
uint8_t * a5 = ((uint8_t*)a2)[8]; (0x20)
uint32_t * a12 = a2;
uint8_t a3 = a5[6];
uint8_t a0 = a5[4];
a3 = (a3>>4)&0b111;
a0 = a0 & 0x0f;
if( a0 == 0 || a0 == 3 ) { a2 = 2; }
else if( a0 < 3 ) { a2 = 3; }
else if( a0 < 6 ) { a2 = 1; }
else { a2 = 0 }
if( a2 != a3 )
{
printf( "%s %u", "pp.c", 146 );
}
a2 = a12; (restore pointer)
fun_4024c82c();
*/
//If exended a0 is 0, then, it will set a2 to 2 and jump to checker.
//If extended a0 == 3, then it will set a2 to 2, and go to checker.
//If extended a0 < 3, then it will set a2 to 3, and go to checker.
//a2 = 1;
//Then,
//If a0 < 6, then it will immediately go to checker.
//a2 = 0;
//Jump to checker.
//
//checker:
// pxt[8] = &a5; //???? (A5)
/* for( i = 0; i < 10; i++ )
{
pxt[i] = eagle_lwip_getif(0);;
}*/
struct myin4
{
uint32_t head;
uint8_t macto[6];
uint8_t macfrom[6];
uint8_t macfrom2[6]; //vas is stas
uint8_t payload[512];
};
struct aearly
{
uint32_t first;
uint8_t * in4addy;
uint32_t zero;
struct myin4 in4;
} ae;
ae.first = 0xc004d100; //??? MAGIC???
ae.in4addy = &ae.in4;
ae.zero = 0;
memset( &ae.in4, 0, sizeof( ae.in4 ) );
ae.in4.head = 0x8;
ae.in4.macto[0] = 0xff;ae.in4.macto[1] = 0xff;ae.in4.macto[2] = 0xff;ae.in4.macto[3] = 0xff;ae.in4.macto[4] = 0xff;ae.in4.macto[5] = 0xff;
ae.in4.macfrom[0] = 0x1a;ae.in4.macfrom[1] = 0xfe;ae.in4.macfrom[2] = 0x34;ae.in4.macfrom[3] = 0x99;ae.in4.macfrom[4] = 0x08;ae.in4.macfrom[5] = 0xa0;
ae.in4.macfrom2[0] = 0x1a;ae.in4.macfrom2[1] = 0xfe;ae.in4.macfrom2[2] = 0x34;ae.in4.macfrom2[3] = 0x99;ae.in4.macfrom2[4] = 0x08;ae.in4.macfrom2[5] = 0xa0;
struct ain8
{
uint32_t first, second, third, fourth, fifth;
uint32_t * sixth;
uint8_t buffer[100];
} ain8;
memset( &ain8, 0, sizeof( ain8 ) );
ain8.first = 0x20110486; //??? magic!
ain8.second = 0;
ain8.third = 0x0003327f; //??? magic!
ain8.fourth = 0xad011000; //??? magic!
ain8.fifth = 0x14005bb0; //?? magic!
ain8.sixth = 0x3ffe8214; //This is some constant firmly planted deep within libpp.a(trc.o)
pxt[0] = 0;
pxt[1] = 0x3ffef5a4; //&ae; libpp.a(esf_buf.o)
pxt[2] = 0x3ffef5a4; //&ae; libpp.a(esf_buf.o)
pxt[3] = 1;
pxt[4] = &ae.in4; //0x3ffef5b0; //&ae.in4; libpp.a(esf_buf.o)
pxt[5] = 0x00350018; //magic!.
pxt[6] = 0;
pxt[7] = 0;
pxt[8] = 0x3ffefa30; //&ain8;
pxt[9] = 0;
pxt[10] = 0x3ffef6b0;//&ain10; (INVESTIGATE) libpp.a(esf_buf.o)
pxt[11] = 0x3ffef6b0;//&ain10; (INVESTIGATE) libpp.a(esf_buf.o)
pxt[12] = 1;
pxt[13] = 0x3ffef6bc; //INVESTIGATE libpp.a(esf_buf.o)
pxt[14] = 0;
pxt[15] = 0;
pxt[16] = 0;
pxt[17] = 0xf3fefa48; //Investigate libpp.a(esf_buf.o)
pxt[18] = 0;
//There may be more...
#endif
if( pxpkt )
{
//control = 00 d1 34 c0 b0 f5 fe 3f 00 00 00 00
struct Ctrl{
uint8_t reserved; //No idea
uint8_t channel:4; //This is a guess
uint8_t size_lsb:4;
uint8_t size_msb; //This is almost always 192.
uint8_t code;
} * control = ((uint32_t*)pxpkt)[1];
char buffer[100];
ets_sprintf( buffer, "Res: %d Chan: %d Size: %d Code: %d // TXLen: %d\n", control->reserved, control->channel, control->size_lsb + (control->size_msb<<4), control->code, ((uint32_t*)pxpkt)[5]>>16 );
uart0_sendStr(buffer);
//This doesn't work, why?
int size = 100; //Actual size of payload.
control->size_lsb = size&0x0f;
control->size_msb = size>>4;
((uint32_t*)pxpkt)[5] = (((uint32_t*)pxpkt)[5] & 0xff ) | ((size-24)<<16);
ets_sprintf( buffer, "Res: %d Chan: %d Size: %d Code: %d // TXLen: %d\n", control->reserved, control->channel, control->size_lsb + (control->size_msb<<4), control->code, ((uint32_t*)pxpkt)[5]>>16 );
uart0_sendStr(buffer);
// char buffer[10];
// int i;
/* for( i = 0; i < 4; i++ )
{
ets_sprintf( buffer, "%02x ", control[i] );
uart0_sendStr(buffer);
}
//00 11 06 c0 = 127 bytes.
// 91 09 c0 = 183 bytes.
//00 d1 09 c0 = 187 bytes
//00 51 0a c0 = 195 bytes.
*/
// uart0_sendStr( "\n" );
// control[2] = 0x34; //44decimal makes packets 0x51
//0x34 makes packets ???
uint8_t * packet = ((uint32_t*)pxpkt)[4];
memset( packet, 0, 200 );
packet[0] = 0xff; //0x80 = a beacon.
for( i = 0; i < 255; i++ )
{
packet[i+4] = i;
}
ppTxPkt( pxpkt );
}
// struct ieee80211_node * node = eagle_lwip_getif(0);
// ieee80211_send_nulldata( node );
}