add lwIP TCP/IP stack as a runtime driver, native socket syscalls, SysGetMemoryStatus replacing CatchAllDebugBucket, fix timeGetTime to return milliseconds, fix SysSleep to interpret argument as milliseconds, SysGetTick now returns microseconds, harden all syscalls against bad user pointers with CopyFromUser/CopyToUser/MmProbeUser throughout, add networking test apps, port-forward 8080 in runa.bat, split LWIP_DRIVER_CFLAGS, add settings.ini to deploy, remove ethernet.c stub
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maksw committed
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@@ -0,0 +1,258 @@
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include <string.h>
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#include <syscall.h>
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static void print(const char* s) {
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if (s) SysWriteConsole(s, strlen(s));
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}
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static void print_char(char c) {
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SysWriteConsole(&c, 1);
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}
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static void print_u64(uint64_t v) {
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char buf[32];
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int n = 0;
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if (v == 0) { print("0"); return; }
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while (v && n < (int)sizeof(buf)) {
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buf[n++] = (char)('0' + (v % 10));
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v /= 10;
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}
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while (n > 0) print_char(buf[--n]);
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}
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static void append_char(char* dst, size_t cap, size_t* off, char c) {
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if (!dst || !off || cap == 0 || *off + 1 >= cap) return;
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dst[*off] = c;
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*off += 1;
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dst[*off] = 0;
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}
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static void append_str(char* dst, size_t cap, size_t* off, const char* s) {
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if (!s) return;
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while (*s) append_char(dst, cap, off, *s++);
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}
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static void append_u8(char* dst, size_t cap, size_t* off, uint8_t v) {
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if (v >= 100) {
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append_char(dst, cap, off, (char)('0' + v / 100));
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v %= 100;
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append_char(dst, cap, off, (char)('0' + v / 10));
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append_char(dst, cap, off, (char)('0' + v % 10));
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} else if (v >= 10) {
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append_char(dst, cap, off, (char)('0' + v / 10));
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append_char(dst, cap, off, (char)('0' + v % 10));
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} else {
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append_char(dst, cap, off, (char)('0' + v));
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}
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}
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static void format_ipv4(char* dst, size_t cap, const uint8_t ip[4]) {
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size_t off = 0;
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if (!dst || cap == 0) return;
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dst[0] = 0;
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append_u8(dst, cap, &off, ip[0]); append_char(dst, cap, &off, '.');
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append_u8(dst, cap, &off, ip[1]); append_char(dst, cap, &off, '.');
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append_u8(dst, cap, &off, ip[2]); append_char(dst, cap, &off, '.');
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append_u8(dst, cap, &off, ip[3]);
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}
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static bool parse_u8(const char** p, uint8_t* out) {
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const char* s = *p;
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uint32_t v = 0;
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int digits = 0;
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while (*s >= '0' && *s <= '9') {
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v = v * 10u + (uint32_t)(*s - '0');
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if (v > 255u) return false;
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s++;
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digits++;
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}
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if (digits == 0) return false;
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*out = (uint8_t)v;
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*p = s;
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return true;
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}
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static bool parse_ipv4(const char* s, uint8_t ip[4]) {
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if (!s || !ip) return false;
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for (int i = 0; i < 4; i++) {
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if (!parse_u8(&s, &ip[i])) return false;
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if (i != 3) {
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if (*s != '.') return false;
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s++;
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}
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}
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return *s == 0;
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}
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static const char* next_token(const char* s, char* out, size_t outSize) {
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if (!s || !out || outSize == 0) return NULL;
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while (*s == ' ' || *s == '\t') s++;
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if (*s == 0) { out[0] = 0; return NULL; }
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size_t n = 0;
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while (*s && *s != ' ' && *s != '\t') {
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if (n + 1 < outSize) out[n++] = *s;
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s++;
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}
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out[n] = 0;
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return s;
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}
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static void usage(void) {
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print("usage: httpget.exe [host-or-ipv4] [path]\n");
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print("default: httpget.exe 10.0.2.2 /\n");
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}
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static uint32_t resolve_host(const char* host, uint8_t ip[4]) {
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if (parse_ipv4(host, ip))
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return SYS_STATUS_SUCCESS;
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SYS_SOCKET_ADDRESS_IPV4 resolved;
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size_t resolvedSize = sizeof(resolved);
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SYS_RESOLVE_HOST_REQUEST req;
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memset(&resolved, 0, sizeof(resolved));
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memset(&req, 0, sizeof(req));
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req.Name = host;
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req.NameLength = strlen(host);
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req.Family = SYS_AF_INET;
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req.AddressOut = &resolved;
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req.AddressSizeInOut = &resolvedSize;
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uint32_t st = SysResolveHost(&req);
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if (st != SYS_STATUS_SUCCESS)
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return st;
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if (resolved.Family != SYS_AF_INET)
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return SYS_STATUS_NOT_FOUND;
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ip[0] = resolved.Address[0];
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ip[1] = resolved.Address[1];
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ip[2] = resolved.Address[2];
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ip[3] = resolved.Address[3];
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return SYS_STATUS_SUCCESS;
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}
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int main(void) {
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uint8_t ip[4] = {10, 0, 2, 2};
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char host[256];
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char path[128];
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strcpy(host, "10.0.2.2");
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path[0] = '/';
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path[1] = 0;
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const char* cmd = SysGetPeb()->CommandLine;
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char tok[256];
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cmd = next_token(cmd, tok, sizeof(tok)); // program path
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if (cmd) {
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const char* rest = next_token(cmd, tok, sizeof(tok));
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if (tok[0]) {
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if (strlen(tok) >= sizeof(host)) {
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print("httpget: host too long\n");
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SysExitProcess(1);
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}
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strcpy(host, tok);
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cmd = rest;
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}
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if (cmd) {
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(void)next_token(cmd, tok, sizeof(tok));
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if (tok[0]) {
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size_t len = strlen(tok);
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if (len + 2 > sizeof(path)) {
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print("httpget: path too long\n");
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SysExitProcess(1);
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}
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if (tok[0] != '/') {
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path[0] = '/';
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memcpy(path + 1, tok, len + 1);
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} else {
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memcpy(path, tok, len + 1);
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}
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}
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}
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}
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uint32_t st = resolve_host(host, ip);
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if (st != SYS_STATUS_SUCCESS) {
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print("httpget: resolve failed "); print_u64(st); print(" for "); print(host); print("\n");
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usage();
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SysExitProcess(1);
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}
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char ipText[16];
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format_ipv4(ipText, sizeof(ipText), ip);
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print("httpget: GET http://");
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print(host);
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print(path);
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print(" (");
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print(ipText);
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print(")\n");
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uint32_t sock = 0;
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st = SysSocket(SYS_AF_INET, SYS_SOCK_STREAM, SYS_IPPROTO_TCP, &sock);
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if (st != SYS_STATUS_SUCCESS) {
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print("httpget: SysSocket failed "); print_u64(st); print("\n");
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SysExitProcess(1);
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}
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SYS_SOCKET_ADDRESS_IPV4 addr;
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memset(&addr, 0, sizeof(addr));
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addr.Family = SYS_AF_INET;
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addr.Port = 80;
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addr.Address[0] = ip[0];
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addr.Address[1] = ip[1];
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addr.Address[2] = ip[2];
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addr.Address[3] = ip[3];
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st = SysConnect(sock, &addr, sizeof(addr));
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if (st != SYS_STATUS_SUCCESS) {
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print("httpget: SysConnect failed "); print_u64(st); print("\n");
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SysCloseHandle(sock);
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SysExitProcess(1);
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}
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char request[512];
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size_t off = 0;
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request[0] = 0;
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append_str(request, sizeof(request), &off, "GET ");
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append_str(request, sizeof(request), &off, path);
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append_str(request, sizeof(request), &off, " HTTP/1.0\r\nHost: ");
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append_str(request, sizeof(request), &off, host);
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append_str(request, sizeof(request), &off, "\r\nUser-Agent: nt-lite-sys-socket\r\nConnection: close\r\n\r\n");
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size_t totalSent = 0;
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while (totalSent < off) {
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size_t sent = 0;
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st = SysSend(sock, request + totalSent, off - totalSent, 0, &sent);
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if (st != SYS_STATUS_SUCCESS || sent == 0) {
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print("httpget: SysSend failed "); print_u64(st); print(" sent="); print_u64(sent); print("\n");
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SysCloseHandle(sock);
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SysExitProcess(1);
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}
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totalSent += sent;
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}
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char buf[513];
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size_t total = 0;
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for (;;) {
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size_t got = 0;
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st = SysRecv(sock, buf, sizeof(buf) - 1, 0, &got);
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if (st != SYS_STATUS_SUCCESS) {
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print("\nhttpget: SysRecv failed "); print_u64(st); print(" after "); print_u64(total); print(" bytes\n");
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SysCloseHandle(sock);
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SysExitProcess(1);
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}
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if (got == 0) break;
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buf[got] = 0;
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print(buf);
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total += got;
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}
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print("\nhttpget: done, "); print_u64(total); print(" bytes\n");
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SysShutdown(sock, SYS_SHUTDOWN_BOTH);
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SysCloseHandle(sock);
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SysExitProcess(0);
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return 0;
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}
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