ccminer/api.cpp at windows · RitoProject/ccminer · GitHub

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* Implementation by tpruvot (based on cgminer)

* This program is free software; you can redistribute it and/or modify it

* under the terms of the GNU General Public License as published by the Free

* Software Foundation; either version 2 of the License, or (at your option)

* any later version. See COPYING for more details.

#define APIVERSION "1.9"

#ifdef WIN32

# define _WINSOCK_DEPRECATED_NO_WARNINGS

# include <winsock2.h>

#endif

#include <stdio.h>

#include <ctype.h>

#include <stdlib.h>

#include <string.h>

#include <stdbool.h>

#include <inttypes.h>

#include <unistd.h>

#include <sys/time.h>

#include <time.h>

#include <math.h>

#include <stdarg.h>

#include <assert.h>

#include <sys/stat.h>

#include <sys/types.h>

#include "miner.h"

#include "nvml.h"

#include "algos.h"

#ifndef WIN32

# include <errno.h>

# include <sys/socket.h>

# include <netinet/in.h>

# include <arpa/inet.h>

# include <netdb.h>

# define SOCKETTYPE long

# define SOCKETFAIL(a) ((a) < 0)

# define INVSOCK -1 /* INVALID_SOCKET */

# define INVINETADDR -1 /* INADDR_NONE */

# define CLOSESOCKET close

# define SOCKETINIT {}

# define SOCKERRMSG strerror(errno)

#else

# define SOCKETTYPE SOCKET

# define SOCKETFAIL(a) ((a) == SOCKET_ERROR)

# define INVSOCK INVALID_SOCKET

# define INVINETADDR INADDR_NONE

# define CLOSESOCKET closesocket

# define in_addr_t uint32_t

#endif

#define GROUP(g) (toupper(g))

#define PRIVGROUP GROUP('W')

#define NOPRIVGROUP GROUP('R')

#define ISPRIVGROUP(g) (GROUP(g) == PRIVGROUP)

#define GROUPOFFSET(g) (GROUP(g) - GROUP('A'))

#define VALIDGROUP(g) (GROUP(g) >= GROUP('A') && GROUP(g) <= GROUP('Z'))

#define COMMANDS(g) (apigroups[GROUPOFFSET(g)].commands)

#define DEFINEDGROUP(g) (ISPRIVGROUP(g) || COMMANDS(g) != NULL)

struct APIGROUPS {

// This becomes a string like: "|cmd1|cmd2|cmd3|" so it's quick to search

char *commands;

} apigroups['Z' - 'A' + 1]; // only A=0 to Z=25 (R: noprivs, W: allprivs)

struct IP4ACCESS {

in_addr_t ip;

in_addr_t mask;

char group;

};

static int ips = 1;

static struct IP4ACCESS *ipaccess = NULL;

#define MYBUFSIZ 16384

#define SOCK_REC_BUFSZ 1024

#define QUEUE 10

#define ALLIP4 "0.0.0.0"

static const char *localaddr = "127.0.0.1";

static const char *UNAVAILABLE = " - API will not be available";

static const char *MUNAVAILABLE = " - API multicast listener will not be available";

static char *buffer = NULL;

static time_t startup = 0;

static int bye = 0;

extern char *opt_api_bind;

extern int opt_api_port;

extern char *opt_api_allow;

extern char *opt_api_groups;

extern bool opt_api_mcast;

extern char *opt_api_mcast_addr;

extern char *opt_api_mcast_code;

extern char *opt_api_mcast_des;

extern int opt_api_mcast_port;

// current stratum...

extern struct stratum_ctx stratum;

// sysinfos.cpp

extern int num_cpus;

extern float cpu_temp(int);

extern uint32_t cpu_clock(int);

char driver_version[32] = { 0 };

/***************************************************************/

static void gpustatus(int thr_id)

{

struct pool_infos *p = &pools[cur_pooln];

if (thr_id >= 0 && thr_id < opt_n_threads) {

struct cgpu_info *cgpu = &thr_info[thr_id].gpu;

double khashes_per_watt = 0;

int gpuid = cgpu->gpu_id;

char buf[512]; *buf = '\0';

char* card;

cuda_gpu_info(cgpu);

cgpu->gpu_plimit = device_plimit[cgpu->gpu_id];

#ifdef USE_WRAPNVML

cgpu->has_monitoring = true;

cgpu->gpu_bus = gpu_busid(cgpu);

cgpu->gpu_temp = gpu_temp(cgpu);

cgpu->gpu_fan = (uint16_t) gpu_fanpercent(cgpu);

cgpu->gpu_fan_rpm = (uint16_t) gpu_fanrpm(cgpu);

cgpu->gpu_power = gpu_power(cgpu); // mWatts

cgpu->gpu_plimit = gpu_plimit(cgpu); // mW or %

#endif

cgpu->khashes = stats_get_speed(thr_id, 0.0) / 1000.0;

if (cgpu->monitor.gpu_power) {

cgpu->gpu_power = cgpu->monitor.gpu_power;

khashes_per_watt = (double)cgpu->khashes / cgpu->monitor.gpu_power;

khashes_per_watt *= 1000; // power in mW

//gpulog(LOG_BLUE, thr_id, "KHW: %g", khashes_per_watt);

}

card = device_name[gpuid];

snprintf(buf, sizeof(buf), "GPU=%d;BUS=%hd;CARD=%s;TEMP=%.1f;"

"POWER=%u;FAN=%hu;RPM=%hu;"

"FREQ=%u;MEMFREQ=%u;GPUF=%u;MEMF=%u;"

"KHS=%.2f;KHW=%.5f;PLIM=%u;"

"ACC=%u;REJ=%u;HWF=%u;I=%.1f;THR=%u|",

gpuid, cgpu->gpu_bus, card, cgpu->gpu_temp,

cgpu->gpu_power, cgpu->gpu_fan, cgpu->gpu_fan_rpm,

cgpu->gpu_clock/1000, cgpu->gpu_memclock/1000, // base freqs in MHz

cgpu->monitor.gpu_clock, cgpu->monitor.gpu_memclock, // current

cgpu->khashes, khashes_per_watt, cgpu->gpu_plimit,

cgpu->accepted, (unsigned) cgpu->rejected, (unsigned) cgpu->hw_errors,

cgpu->intensity, cgpu->throughput);

// append to buffer for multi gpus

strcat(buffer, buf);

}

/**

* Returns gpu/thread specific stats

static char *getthreads(char *params)

{

*buffer = '\0';

for (int i = 0; i < opt_n_threads; i++)

gpustatus(i);

return buffer;

}

/*****************************************************************************/

/**

* Returns miner global infos

static char *getsummary(char *params)

{

char algo[64] = { 0 };

time_t ts = time(NULL);

double accps, uptime = difftime(ts, startup);

uint32_t wait_time = 0, solved_count = 0;

uint32_t accepted_count = 0, rejected_count = 0;

for (int p = 0; p < num_pools; p++) {

wait_time += pools[p].wait_time;

accepted_count += pools[p].accepted_count;

rejected_count += pools[p].rejected_count;

solved_count += pools[p].solved_count;

}

accps = (60.0 * accepted_count) / (uptime ? uptime : 1.0);

get_currentalgo(algo, sizeof(algo));

*buffer = '\0';

sprintf(buffer, "NAME=%s;VER=%s;API=%s;"

"ALGO=%s;GPUS=%d;KHS=%.2f;SOLV=%d;ACC=%d;REJ=%d;"

"ACCMN=%.3f;DIFF=%.6f;NETKHS=%.0f;"

"POOLS=%u;WAIT=%u;UPTIME=%.0f;TS=%u|",

PACKAGE_NAME, PACKAGE_VERSION, APIVERSION,

algo, active_gpus, (double)global_hashrate / 1000.,

solved_count, accepted_count, rejected_count,

accps, net_diff > 1e-6 ? net_diff : stratum_diff, (double)net_hashrate / 1000.,

num_pools, wait_time, uptime, (uint32_t) ts);

return buffer;

}

/**

* Returns some infos about current pool

static char *getpoolnfo(char *params)

{

char *s = buffer;

char jobid[128] = { 0 };

char extra[96] = { 0 };

int pooln = params ? atoi(params) % num_pools : cur_pooln;

struct pool_infos *p = &pools[pooln];

uint32_t last_share = 0;

if (p->last_share_time)

last_share = (uint32_t) (time(NULL) - p->last_share_time);

*s = '\0';

if (stratum.job.job_id)

strncpy(jobid, stratum.job.job_id, sizeof(stratum.job.job_id));

if (stratum.job.xnonce2) {

/* used temporary to be sure all is ok */

sprintf(extra, "0x");

if (p->algo == ALGO_DECRED) {

char compat[32] = { 0 };

cbin2hex(&extra[2], (const char*) stratum.xnonce1, min(36, stratum.xnonce2_size));

cbin2hex(compat, (const char*) stratum.job.xnonce2, 4);

memcpy(&extra[2], compat, 8); // compat extranonce

} else {

cbin2hex(&extra[2], (const char*) stratum.job.xnonce2, stratum.xnonce2_size);

}

snprintf(s, MYBUFSIZ, "POOL=%s;ALGO=%s;URL=%s;USER=%s;SOLV=%d;ACC=%d;REJ=%d;STALE=%u;H=%u;JOB=%s;DIFF=%.6f;"

"BEST=%.6f;N2SZ=%d;N2=%s;PING=%u;DISCO=%u;WAIT=%u;UPTIME=%u;LAST=%u|",

strlen(p->name) ? p->name : p->short_url, algo_names[p->algo],

p->url, p->type & POOL_STRATUM ? p->user : "",

p->solved_count, p->accepted_count, p->rejected_count, p->stales_count,

stratum.job.height, jobid, stratum_diff, p->best_share,

(int) stratum.xnonce2_size, extra, stratum.answer_msec,

p->disconnects, p->wait_time, p->work_time, last_share);

return s;

}

/*****************************************************************************/

static void gpuhwinfos(int gpu_id)

{

char buf[512];

char pstate[8];

char* card;

struct cgpu_info *cgpu = NULL;

for (int g = 0; g < opt_n_threads; g++) {

if (device_map[g] == gpu_id) {

cgpu = &thr_info[g].gpu;

break;

}

if (cgpu == NULL)

return;

cuda_gpu_info(cgpu);

cgpu->gpu_plimit = device_plimit[cgpu->gpu_id];

#ifdef USE_WRAPNVML

cgpu->has_monitoring = true;

cgpu->gpu_bus = gpu_busid(cgpu);

cgpu->gpu_temp = gpu_temp(cgpu);

cgpu->gpu_fan = (uint16_t) gpu_fanpercent(cgpu);

cgpu->gpu_fan_rpm = (uint16_t) gpu_fanrpm(cgpu);

cgpu->gpu_pstate = (int16_t) gpu_pstate(cgpu);

cgpu->gpu_power = gpu_power(cgpu);

cgpu->gpu_plimit = gpu_plimit(cgpu);

gpu_info(cgpu);

#ifdef WIN32

if (opt_debug) nvapi_pstateinfo(cgpu->gpu_id);

#endif

memset(pstate, 0, sizeof(pstate));

if (cgpu->gpu_pstate != -1)

snprintf(pstate, sizeof(pstate), "P%d", (int) cgpu->gpu_pstate);

card = device_name[gpu_id];

snprintf(buf, sizeof(buf), "GPU=%d;BUS=%hd;CARD=%s;SM=%hu;MEM=%u;"

"TEMP=%.1f;FAN=%hu;RPM=%hu;FREQ=%u;MEMFREQ=%u;GPUF=%u;MEMF=%u;"

"PST=%s;POWER=%u;PLIM=%u;"

"VID=%hx;PID=%hx;NVML=%d;NVAPI=%d;SN=%s;BIOS=%s|",

gpu_id, cgpu->gpu_bus, card, cgpu->gpu_arch, (uint32_t) cgpu->gpu_mem,

cgpu->gpu_temp, cgpu->gpu_fan, cgpu->gpu_fan_rpm,

cgpu->gpu_clock/1000U, cgpu->gpu_memclock/1000U, // base clocks

cgpu->monitor.gpu_clock, cgpu->monitor.gpu_memclock, // current

pstate, cgpu->gpu_power, cgpu->gpu_plimit,

cgpu->gpu_vid, cgpu->gpu_pid, cgpu->nvml_id, cgpu->nvapi_id,

cgpu->gpu_sn, cgpu->gpu_desc);

strcat(buffer, buf);

}

#ifndef WIN32

static char os_version[64] = "linux ";

#endif

static const char* os_name()

{

#ifdef WIN32

return "windows";

#else

FILE *fd = fopen("/proc/version", "r");

if (!fd)

return "linux";

if (!fscanf(fd, "Linux version %48s", &os_version[6])) {

fclose(fd);

return "linux";

}

fclose(fd);

os_version[48] = '\0';

return (const char*) os_version;

#endif

}

/**

* System and CPU Infos

static void syshwinfos()

{

char buf[256];

int cputc = (int) cpu_temp(0);

uint32_t cpuclk = cpu_clock(0);

memset(buf, 0, sizeof(buf));

snprintf(buf, sizeof(buf), "OS=%s;NVDRIVER=%s;CPUS=%d;CPUTEMP=%d;CPUFREQ=%d|",

os_name(), driver_version, num_cpus, cputc, cpuclk/1000);

strcat(buffer, buf);

}

/**

* Returns gpu and system (todo) informations

static char *gethwinfos(char *params)

{

*buffer = '\0';

for (int i = 0; i < cuda_num_devices(); i++)

gpuhwinfos(i);

syshwinfos();

return buffer;

}

/*****************************************************************************/

/**

* Returns the last 50 scans stats

* optional param thread id (default all)

static char *gethistory(char *params)

{

struct stats_data data[50];

int thrid = params ? atoi(params) : -1;

char *p = buffer;

int records = stats_get_history(thrid, data, ARRAY_SIZE(data));

*buffer = '\0';

for (int i = 0; i < records; i++) {

time_t ts = data[i].tm_stat;

p += sprintf(p, "GPU=%d;H=%u;KHS=%.2f;DIFF=%g;"

"COUNT=%u;FOUND=%u;ID=%u;TS=%u|",

data[i].gpu_id, data[i].height, data[i].hashrate, data[i].difficulty,

data[i].hashcount, data[i].hashfound, data[i].uid, (uint32_t)ts);

}

return buffer;

}

/**

* Returns the job scans ranges (debug purpose, only with -D)

static char *getscanlog(char *params)

{

struct hashlog_data data[50];

char *p = buffer;

int records = hashlog_get_history(data, ARRAY_SIZE(data));

*buffer = '\0';

for (int i = 0; i < records; i++) {

time_t ts = data[i].tm_upd;

p += sprintf(p, "H=%u;P=%u;JOB=%u;ID=%d;DIFF=%g;"

"N=0x%x;FROM=0x%x;SCANTO=0x%x;"

"COUNT=0x%x;FOUND=%u;TS=%u|",

data[i].height, data[i].npool, data[i].njobid, (int)data[i].job_nonce_id, data[i].sharediff,

data[i].nonce, data[i].scanned_from, data[i].scanned_to,

(data[i].scanned_to - data[i].scanned_from), data[i].tm_sent ? 1 : 0, (uint32_t)ts);

}

return buffer;

}

/**

* Some debug infos about memory usage

static char *getmeminfo(char *params)

{

uint64_t smem, hmem, totmem;

uint32_t srec, hrec;

stats_getmeminfo(&smem, &srec);

hashlog_getmeminfo(&hmem, &hrec);

totmem = smem + hmem;

*buffer = '\0';

sprintf(buffer, "STATS=%u;HASHLOG=%u;MEM=%lu|",

srec, hrec, totmem);

return buffer;

}

/*****************************************************************************/

/**

* Set pool by index (pools array in json config)

* switchpool|1|

static char *remote_switchpool(char *params)

{

bool ret = false;

*buffer = '\0';

if (!params || strlen(params) == 0) {

// rotate pool test

ret = pool_switch_next(-1);

} else {

int n = atoi(params);

if (n == cur_pooln)

ret = true;

else if (n < num_pools)

ret = pool_switch(-1, n);

}

sprintf(buffer, "%s|", ret ? "ok" : "fail");

return buffer;

}

/**

* Change pool url (see --url parameter)

* seturl|stratum+tcp://<user>:<pass>@mine.xpool.ca:1131|

static char *remote_seturl(char *params)

{

bool ret;

*buffer = '\0';

if (!params || strlen(params) == 0) {

// rotate pool test

ret = pool_switch_next(-1);

} else {

ret = pool_switch_url(params);

}

sprintf(buffer, "%s|", ret ? "ok" : "fail");

return buffer;

}

/**

* Ask the miner to quit

static char *remote_quit(char *params)

{

*buffer = '\0';

bye = 1;

sprintf(buffer, "%s", "bye|");

return buffer;

}

/*****************************************************************************/

static char *gethelp(char *params);

struct CMDS {

const char *name;

char *(*func)(char *);

bool iswritemode;

} cmds[] = {

{ "summary", getsummary, false },

{ "threads", getthreads, false },

{ "pool", getpoolnfo, false },

{ "histo", gethistory, false },

{ "hwinfo", gethwinfos, false },

{ "meminfo", getmeminfo, false },

{ "scanlog", getscanlog, false },

/* remote functions */

{ "seturl", remote_seturl, true }, /* prefer switchpool, deprecated */

{ "switchpool", remote_switchpool, true },

{ "quit", remote_quit, true },

/* keep it the last */

{ "help", gethelp, false },

};

#define CMDMAX ARRAY_SIZE(cmds)

static char *gethelp(char *params)

{

*buffer = '\0';

char * p = buffer;

for (int i = 0; i < CMDMAX-1; i++) {

bool displayed = !cmds[i].iswritemode || opt_api_allow;

if (displayed) p += sprintf(p, "%s\n", cmds[i].name);

}

sprintf(p, "|");

return buffer;

}

/*****************************************************************************/

static int send_result(SOCKETTYPE c, char *result)

{

int n;

if (!result) {

n = send(c, "", 1, 0);

} else {

// ignore failure - it's closed immediately anyway

n = send(c, result, (int) strlen(result) + 1, 0);

}

return n;

}

/* ---- Base64 Encoding/Decoding Table --- */

static const char table64[]=

"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

static size_t base64_encode(const uchar *indata, size_t insize, char *outptr, size_t outlen)

{

uchar ibuf[3];

uchar obuf[4];

int i, inputparts, inlen = (int) insize;

size_t len = 0;

char *output, *outbuf;

memset(outptr, 0, outlen);

outbuf = output = (char*)calloc(1, inlen * 4 / 3 + 4);

if (outbuf == NULL) {

return -1;

}

while (inlen > 0) {

for (i = inputparts = 0; i < 3; i++) {

if (inlen > 0) {

inputparts++;

ibuf[i] = (uchar) *indata;

indata++; inlen--;

}

else

ibuf[i] = 0;

}

obuf[0] = (uchar) ((ibuf[0] & 0xFC) >> 2);

obuf[1] = (uchar) (((ibuf[0] & 0x03) << 4) | ((ibuf[1] & 0xF0) >> 4));

obuf[2] = (uchar) (((ibuf[1] & 0x0F) << 2) | ((ibuf[2] & 0xC0) >> 6));

obuf[3] = (uchar) (ibuf[2] & 0x3F);

switch(inputparts) {

case 1: /* only one byte read */

snprintf(output, 5, "%c%c==",

table64[obuf[0]],

table64[obuf[1]]);

break;

case 2: /* two bytes read */

snprintf(output, 5, "%c%c%c=",

table64[obuf[0]],

table64[obuf[1]],

table64[obuf[2]]);

break;

default:

snprintf(output, 5, "%c%c%c%c",

table64[obuf[0]],

table64[obuf[1]],

table64[obuf[2]],

table64[obuf[3]] );

break;

}

if ((len+4) > outlen)

break;

output += 4; len += 4;

}

len = snprintf(outptr, len, "%s", outbuf);

// todo: seems to be missing on linux

if (strlen(outptr) == 27)

strcat(outptr, "=");

free(outbuf);

return len;

}

#include "compat/curl-for-windows/openssl/openssl/crypto/sha/sha.h"

/* websocket handshake (tested in Chrome) */

static int websocket_handshake(SOCKETTYPE c, char *result, char *clientkey)

{

char answer[256];

char inpkey[128] = { 0 };

char seckey[64];

uchar sha1[20];

SHA_CTX ctx;

if (opt_protocol)

applog(LOG_DEBUG, "clientkey: %s", clientkey);

sprintf(inpkey, "%s258EAFA5-E914-47DA-95CA-C5AB0DC85B11", clientkey);

// SHA-1 test from rfc, returns in base64 "s3pPLMBiTxaQ9kYGzzhZRbK+xOo="

//sprintf(inpkey, "dGhlIHNhbXBsZSBub25jZQ==258EAFA5-E914-47DA-95CA-C5AB0DC85B11");

SHA1_Init(&ctx);

SHA1_Update(&ctx, inpkey, strlen(inpkey));

SHA1_Final(sha1, &ctx);

base64_encode(sha1, 20, seckey, sizeof(seckey));

sprintf(answer,

"HTTP/1.1 101 Switching Protocol\r\n"

"Upgrade: WebSocket\r\nConnection: Upgrade\r\n"

"Sec-WebSocket-Accept: %s\r\n"

"Sec-WebSocket-Protocol: text\r\n"

"\r\n", seckey);

// data result as tcp frame

uchar hd[10] = { 0 };

hd[0] = 129; // 0x1 text frame (FIN + opcode)

uint64_t datalen = (uint64_t) strlen(result);

uint8_t frames = 2;

if (datalen <= 125) {

hd[1] = (uchar) (datalen);

} else if (datalen <= 65535) {

hd[1] = (uchar) 126;

hd[2] = (uchar) (datalen >> 8);

hd[3] = (uchar) (datalen);

frames = 4;

} else {

hd[1] = (uchar) 127;

hd[2] = (uchar) (datalen >> 56);

hd[3] = (uchar) (datalen >> 48);

hd[4] = (uchar) (datalen >> 40);

hd[5] = (uchar) (datalen >> 32);

hd[6] = (uchar) (datalen >> 24);

hd[7] = (uchar) (datalen >> 16);

hd[8] = (uchar) (datalen >> 8);

hd[9] = (uchar) (datalen);

frames = 10;

}

size_t handlen = strlen(answer);

uchar *data = (uchar*) calloc(1, handlen + frames + (size_t) datalen + 1);

if (data == NULL)

return -1;

else {

uchar *p = data;

// HTTP header 101

memcpy(p, answer, handlen);

p += handlen;

// WebSocket Frame - Header + Data

memcpy(p, hd, frames);

memcpy(p + frames, result, (size_t)datalen);

send(c, (const char*)data, (int) (strlen(answer) + frames + datalen + 1), 0);

free(data);

}

return 0;

}

* Interpret --api-groups G:cmd1:cmd2:cmd3,P:cmd4,*,...

static void setup_groups()

{

const char *api_groups = opt_api_groups ? opt_api_groups : "";

char *buf, *cmd, *ptr, *next, *colon;

char commands[512] = { 0 };

char cmdbuf[128] = { 0 };

char group;

bool addstar;

int i;

buf = (char *)calloc(1, strlen(api_groups) + 1);

if (unlikely(!buf))

proper_exit(1); //, "Failed to malloc ipgroups buf");

strcpy(buf, api_groups);

next = buf;

// for each group defined

while (next && *next) {

ptr = next;

next = strchr(ptr, ',');

if (next)

*(next++) = '\0';

// Validate the group

if (*(ptr+1) != ':') {

colon = strchr(ptr, ':');

if (colon)

*colon = '\0';

proper_exit(1); //, "API invalid group name '%s'", ptr);

}

group = GROUP(*ptr);

if (!VALIDGROUP(group))

proper_exit(1); //, "API invalid group name '%c'", *ptr);

if (group == PRIVGROUP)

proper_exit(1); //, "API group name can't be '%c'", PRIVGROUP);

if (group == NOPRIVGROUP)

proper_exit(1); //, "API group name can't be '%c'", NOPRIVGROUP);

if (apigroups[GROUPOFFSET(group)].commands != NULL)

proper_exit(1); //, "API duplicate group name '%c'", *ptr);

ptr += 2;

// Validate the command list (and handle '*')

cmd = &(commands[0]);

*(cmd++) = '|';

*cmd = '\0';

addstar = false;

while (ptr && *ptr) {

colon = strchr(ptr, ':');

if (colon)

*(colon++) = '\0';

if (strcmp(ptr, "*") == 0)

addstar = true;

else {

bool did = false;

for (i = 0; i < CMDMAX-1; i++) {

if (strcasecmp(ptr, cmds[i].name) == 0) {

did = true;

break;

}

if (did) {

// skip duplicates

sprintf(cmdbuf, "|%s|", cmds[i].name);

if (strstr(commands, cmdbuf) == NULL) {

strcpy(cmd, cmds[i].name);

cmd += strlen(cmds[i].name);

*(cmd++) = '|';

*cmd = '\0';

}

} else {

proper_exit(1); //, "API unknown command '%s' in group '%c'", ptr, group);

}

ptr = colon;

}

// * = allow all non-iswritemode commands

if (addstar) {

for (i = 0; i < CMDMAX-1; i++) {

if (cmds[i].iswritemode == false) {

// skip duplicates

sprintf(cmdbuf, "|%s|", cmds[i].name);

if (strstr(commands, cmdbuf) == NULL) {

strcpy(cmd, cmds[i].name);

cmd += strlen(cmds[i].name);

*(cmd++) = '|';

*cmd = '\0';

}

ptr = apigroups[GROUPOFFSET(group)].commands = (char *)calloc(1, strlen(commands) + 1);

if (unlikely(!ptr))

proper_exit(1); //, "Failed to malloc group commands buf");

strcpy(ptr, commands);

}

// Now define R (NOPRIVGROUP) as all non-iswritemode commands

cmd = &(commands[0]);

*(cmd++) = '|';

*cmd = '\0';

for (i = 0; i < CMDMAX-1; i++) {

if (cmds[i].iswritemode == false) {

strcpy(cmd, cmds[i].name);

cmd += strlen(cmds[i].name);

*(cmd++) = '|';

*cmd = '\0';

}

ptr = apigroups[GROUPOFFSET(NOPRIVGROUP)].commands = (char *)calloc(1, strlen(commands) + 1);

if (unlikely(!ptr))

proper_exit(1); //, "Failed to malloc noprivgroup commands buf");

strcpy(ptr, commands);

// W (PRIVGROUP) is handled as a special case since it simply means all commands

free(buf);

return;

}

* Interpret [W:]IP[/Prefix][,[R|W:]IP2[/Prefix2][,...]] --api-allow option

* special case of 0/0 allows /0 (means all IP addresses)

#define ALLIPS "0/0"

* N.B. IP4 addresses are by Definition 32bit big endian on all platforms

static void setup_ipaccess()

{

char *buf, *ptr, *comma, *slash, *dot;

int ipcount, mask, octet, i;

char group;

buf = (char*) calloc(1, strlen(opt_api_allow) + 1);

if (unlikely(!buf))

proper_exit(1);//, "Failed to malloc ipaccess buf");

strcpy(buf, opt_api_allow);

ipcount = 1;

ptr = buf;

while (*ptr) if (*(ptr++) == ',')

ipcount++;

// possibly more than needed, but never less

ipaccess = (struct IP4ACCESS *) calloc(ipcount, sizeof(struct IP4ACCESS));

if (unlikely(!ipaccess))

proper_exit(1);//, "Failed to calloc ipaccess");

ips = 0;

ptr = buf;

while (ptr && *ptr) {

while (*ptr == ' ' || *ptr == '\t')

ptr++;

if (*ptr == ',') {

ptr++;

continue;

}

comma = strchr(ptr, ',');

if (comma)

*(comma++) = '\0';

group = NOPRIVGROUP;

if (isalpha(*ptr) && *(ptr+1) == ':') {

if (DEFINEDGROUP(*ptr))

group = GROUP(*ptr);

ptr += 2;

}

ipaccess[ips].group = group;

if (strcmp(ptr, ALLIPS) == 0 || strcmp(ptr, ALLIP4) == 0)

ipaccess[ips].ip = ipaccess[ips].mask = 0;

else

{

slash = strchr(ptr, '/');

if (!slash)

ipaccess[ips].mask = 0xffffffff;

else {

*(slash++) = '\0';

mask = atoi(slash);

if (mask < 1 || mask > 32)

goto popipo; // skip invalid/zero

ipaccess[ips].mask = 0;

while (mask-- >= 0) {

octet = 1 << (mask % 8);

ipaccess[ips].mask |= (octet << (24 - (8 * (mask >> 3))));

}

ipaccess[ips].ip = 0; // missing default to '.0'

for (i = 0; ptr && (i < 4); i++) {

dot = strchr(ptr, '.');

if (dot)

*(dot++) = '\0';

octet = atoi(ptr);

if (octet < 0 || octet > 0xff)

goto popipo; // skip invalid

ipaccess[ips].ip |= (octet << (24 - (i * 8)));

ptr = dot;

}

ipaccess[ips].ip &= ipaccess[ips].mask;

}

ips++;

popipo:

ptr = comma;

}

free(buf);

}

static bool check_connect(struct sockaddr_in *cli, char **connectaddr, char *group)

{

bool addrok = false;

*connectaddr = inet_ntoa(cli->sin_addr);

*group = NOPRIVGROUP;

if (opt_api_allow) {

int client_ip = htonl(cli->sin_addr.s_addr);

for (int i = 0; i < ips; i++) {

if ((client_ip & ipaccess[i].mask) == ipaccess[i].ip) {

addrok = true;

*group = ipaccess[i].group;

break;

}

else if (strcmp(opt_api_bind, ALLIP4) == 0)

addrok = true;

else

addrok = (strcmp(*connectaddr, localaddr) == 0);

return addrok;

}

static void mcast()

{

struct sockaddr_in listen;

struct ip_mreq grp;

struct sockaddr_in came_from;

time_t bindstart;

char *binderror;

SOCKETTYPE mcast_sock;

SOCKETTYPE reply_sock;

socklen_t came_from_siz;

char *connectaddr;

ssize_t rep;

int bound;

int count;

int reply_port;

bool addrok;

char group;

char expect[] = "ccminer-"; // first 8 bytes constant

char *expect_code;

size_t expect_code_len;

char buf[1024];

char replybuf[1024];

memset(&grp, 0, sizeof(grp));

grp.imr_multiaddr.s_addr = inet_addr(opt_api_mcast_addr);

if (grp.imr_multiaddr.s_addr == INADDR_NONE)

proper_exit(1); //, "Invalid Multicast Address");

grp.imr_interface.s_addr = INADDR_ANY;

mcast_sock = socket(AF_INET, SOCK_DGRAM, 0);

int optval = 1;

if (SOCKETFAIL(setsockopt(mcast_sock, SOL_SOCKET, SO_REUSEADDR, (const char *)(&optval), sizeof(optval)))) {

applog(LOG_ERR, "API mcast setsockopt SO_REUSEADDR failed (%s)%s", strerror(errno), MUNAVAILABLE);

goto die;

}

memset(&listen, 0, sizeof(listen));

listen.sin_family = AF_INET;

listen.sin_addr.s_addr = INADDR_ANY;

listen.sin_port = htons(opt_api_mcast_port);

// try for more than 1 minute ... in case the old one hasn't completely gone yet

bound = 0;

bindstart = time(NULL);

while (bound == 0) {

if (SOCKETFAIL(bind(mcast_sock, (struct sockaddr *)(&listen), sizeof(listen)))) {

binderror = strerror(errno);;

if ((time(NULL) - bindstart) > 61)

break;

else

sleep(30);

}

else

bound = 1;

}

if (bound == 0) {

applog(LOG_ERR, "API mcast bind to port %d failed (%s)%s", opt_api_port, binderror, MUNAVAILABLE);

goto die;

}

if (SOCKETFAIL(setsockopt(mcast_sock, IPPROTO_IP, IP_ADD_MEMBERSHIP, (const char *)(&grp), sizeof(grp)))) {

applog(LOG_ERR, "API mcast join failed (%s)%s", strerror(errno), MUNAVAILABLE);

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ccminer/api.cpp at windows · RitoProject/ccminer · GitHub

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