diff options
Diffstat (limited to 'external/miniupnpc/miniwget.c')
-rw-r--r-- | external/miniupnpc/miniwget.c | 663 |
1 files changed, 0 insertions, 663 deletions
diff --git a/external/miniupnpc/miniwget.c b/external/miniupnpc/miniwget.c deleted file mode 100644 index 1eda57c5e..000000000 --- a/external/miniupnpc/miniwget.c +++ /dev/null @@ -1,663 +0,0 @@ -/* $Id: miniwget.c,v 1.75 2016/01/24 17:24:36 nanard Exp $ */ -/* Project : miniupnp - * Website : http://miniupnp.free.fr/ - * Author : Thomas Bernard - * Copyright (c) 2005-2017 Thomas Bernard - * This software is subject to the conditions detailed in the - * LICENCE file provided in this distribution. */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#ifdef _WIN32 -#include <winsock2.h> -#include <ws2tcpip.h> -#include <io.h> -#define MAXHOSTNAMELEN 64 -#define snprintf _snprintf -#define socklen_t int -#ifndef strncasecmp -#if defined(_MSC_VER) && (_MSC_VER >= 1400) -#define strncasecmp _memicmp -#else /* defined(_MSC_VER) && (_MSC_VER >= 1400) */ -#define strncasecmp memicmp -#endif /* defined(_MSC_VER) && (_MSC_VER >= 1400) */ -#endif /* #ifndef strncasecmp */ -#else /* #ifdef _WIN32 */ -#include <unistd.h> -#include <sys/param.h> -#if defined(__amigaos__) && !defined(__amigaos4__) -#define socklen_t int -#else /* #if defined(__amigaos__) && !defined(__amigaos4__) */ -#include <sys/select.h> -#endif /* #else defined(__amigaos__) && !defined(__amigaos4__) */ -#include <sys/socket.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <net/if.h> -#include <netdb.h> -#define closesocket close -#include <strings.h> -#endif /* #else _WIN32 */ -#ifdef __GNU__ -#define MAXHOSTNAMELEN 64 -#endif /* __GNU__ */ - -#ifndef MIN -#define MIN(x,y) (((x)<(y))?(x):(y)) -#endif /* MIN */ - - -#include "miniupnpcstrings.h" -#include "miniwget.h" -#include "connecthostport.h" -#include "receivedata.h" - -#ifndef MAXHOSTNAMELEN -#define MAXHOSTNAMELEN 64 -#endif - -/* - * Read a HTTP response from a socket. - * Process Content-Length and Transfer-encoding headers. - * return a pointer to the content buffer, which length is saved - * to the length parameter. - */ -void * -getHTTPResponse(int s, int * size, int * status_code) -{ - char buf[2048]; - int n; - int endofheaders = 0; - int chunked = 0; - int content_length = -1; - unsigned int chunksize = 0; - unsigned int bytestocopy = 0; - /* buffers : */ - char * header_buf; - unsigned int header_buf_len = 2048; - unsigned int header_buf_used = 0; - char * content_buf; - unsigned int content_buf_len = 2048; - unsigned int content_buf_used = 0; - char chunksize_buf[32]; - unsigned int chunksize_buf_index; -#ifdef DEBUG - char * reason_phrase = NULL; - int reason_phrase_len = 0; -#endif - - if(status_code) *status_code = -1; - header_buf = malloc(header_buf_len); - if(header_buf == NULL) - { -#ifdef DEBUG - fprintf(stderr, "%s: Memory allocation error\n", "getHTTPResponse"); -#endif /* DEBUG */ - *size = -1; - return NULL; - } - content_buf = malloc(content_buf_len); - if(content_buf == NULL) - { - free(header_buf); -#ifdef DEBUG - fprintf(stderr, "%s: Memory allocation error\n", "getHTTPResponse"); -#endif /* DEBUG */ - *size = -1; - return NULL; - } - chunksize_buf[0] = '\0'; - chunksize_buf_index = 0; - - while((n = receivedata(s, buf, sizeof(buf), 5000, NULL)) > 0) - { - if(endofheaders == 0) - { - int i; - int linestart=0; - int colon=0; - int valuestart=0; - if(header_buf_used + n > header_buf_len) { - char * tmp = realloc(header_buf, header_buf_used + n); - if(tmp == NULL) { - /* memory allocation error */ - free(header_buf); - free(content_buf); - *size = -1; - return NULL; - } - header_buf = tmp; - header_buf_len = header_buf_used + n; - } - memcpy(header_buf + header_buf_used, buf, n); - header_buf_used += n; - /* search for CR LF CR LF (end of headers) - * recognize also LF LF */ - i = 0; - while(i < ((int)header_buf_used-1) && (endofheaders == 0)) { - if(header_buf[i] == '\r') { - i++; - if(header_buf[i] == '\n') { - i++; - if(i < (int)header_buf_used && header_buf[i] == '\r') { - i++; - if(i < (int)header_buf_used && header_buf[i] == '\n') { - endofheaders = i+1; - } - } - } - } else if(header_buf[i] == '\n') { - i++; - if(header_buf[i] == '\n') { - endofheaders = i+1; - } - } - i++; - } - if(endofheaders == 0) - continue; - /* parse header lines */ - for(i = 0; i < endofheaders - 1; i++) { - if(linestart > 0 && colon <= linestart && header_buf[i]==':') - { - colon = i; - while(i < (endofheaders-1) - && (header_buf[i+1] == ' ' || header_buf[i+1] == '\t')) - i++; - valuestart = i + 1; - } - /* detecting end of line */ - else if(header_buf[i]=='\r' || header_buf[i]=='\n') - { - if(linestart == 0 && status_code) - { - /* Status line - * HTTP-Version SP Status-Code SP Reason-Phrase CRLF */ - int sp; - for(sp = 0; sp < i; sp++) - if(header_buf[sp] == ' ') - { - if(*status_code < 0) - *status_code = atoi(header_buf + sp + 1); - else - { -#ifdef DEBUG - reason_phrase = header_buf + sp + 1; - reason_phrase_len = i - sp - 1; -#endif - break; - } - } -#ifdef DEBUG - printf("HTTP status code = %d, Reason phrase = %.*s\n", - *status_code, reason_phrase_len, reason_phrase); -#endif - } - else if(colon > linestart && valuestart > colon) - { -#ifdef DEBUG - printf("header='%.*s', value='%.*s'\n", - colon-linestart, header_buf+linestart, - i-valuestart, header_buf+valuestart); -#endif - if(0==strncasecmp(header_buf+linestart, "content-length", colon-linestart)) - { - content_length = atoi(header_buf+valuestart); -#ifdef DEBUG - printf("Content-Length: %d\n", content_length); -#endif - } - else if(0==strncasecmp(header_buf+linestart, "transfer-encoding", colon-linestart) - && 0==strncasecmp(header_buf+valuestart, "chunked", 7)) - { -#ifdef DEBUG - printf("chunked transfer-encoding!\n"); -#endif - chunked = 1; - } - } - while((i < (int)header_buf_used) && (header_buf[i]=='\r' || header_buf[i] == '\n')) - i++; - linestart = i; - colon = linestart; - valuestart = 0; - } - } - /* copy the remaining of the received data back to buf */ - n = header_buf_used - endofheaders; - memcpy(buf, header_buf + endofheaders, n); - /* if(headers) */ - } - if(endofheaders) - { - /* content */ - if(chunked) - { - int i = 0; - while(i < n) - { - if(chunksize == 0) - { - /* reading chunk size */ - if(chunksize_buf_index == 0) { - /* skipping any leading CR LF */ - if(i<n && buf[i] == '\r') i++; - if(i<n && buf[i] == '\n') i++; - } - while(i<n && isxdigit(buf[i]) - && chunksize_buf_index < (sizeof(chunksize_buf)-1)) - { - chunksize_buf[chunksize_buf_index++] = buf[i]; - chunksize_buf[chunksize_buf_index] = '\0'; - i++; - } - while(i<n && buf[i] != '\r' && buf[i] != '\n') - i++; /* discarding chunk-extension */ - if(i<n && buf[i] == '\r') i++; - if(i<n && buf[i] == '\n') { - unsigned int j; - for(j = 0; j < chunksize_buf_index; j++) { - if(chunksize_buf[j] >= '0' - && chunksize_buf[j] <= '9') - chunksize = (chunksize << 4) + (chunksize_buf[j] - '0'); - else - chunksize = (chunksize << 4) + ((chunksize_buf[j] | 32) - 'a' + 10); - } - chunksize_buf[0] = '\0'; - chunksize_buf_index = 0; - i++; - } else { - /* not finished to get chunksize */ - continue; - } -#ifdef DEBUG - printf("chunksize = %u (%x)\n", chunksize, chunksize); -#endif - if(chunksize == 0) - { -#ifdef DEBUG - printf("end of HTTP content - %d %d\n", i, n); - /*printf("'%.*s'\n", n-i, buf+i);*/ -#endif - goto end_of_stream; - } - } - /* it is guaranteed that (n >= i) */ - bytestocopy = (chunksize < (unsigned int)(n - i))?chunksize:(unsigned int)(n - i); - if((content_buf_used + bytestocopy) > content_buf_len) - { - char * tmp; - if((content_length >= 0) && ((unsigned int)content_length >= (content_buf_used + bytestocopy))) { - content_buf_len = content_length; - } else { - content_buf_len = content_buf_used + bytestocopy; - } - tmp = realloc(content_buf, content_buf_len); - if(tmp == NULL) { - /* memory allocation error */ - free(content_buf); - free(header_buf); - *size = -1; - return NULL; - } - content_buf = tmp; - } - memcpy(content_buf + content_buf_used, buf + i, bytestocopy); - content_buf_used += bytestocopy; - i += bytestocopy; - chunksize -= bytestocopy; - } - } - else - { - /* not chunked */ - if(content_length > 0 - && (content_buf_used + n) > (unsigned int)content_length) { - /* skipping additional bytes */ - n = content_length - content_buf_used; - } - if(content_buf_used + n > content_buf_len) - { - char * tmp; - if(content_length >= 0 - && (unsigned int)content_length >= (content_buf_used + n)) { - content_buf_len = content_length; - } else { - content_buf_len = content_buf_used + n; - } - tmp = realloc(content_buf, content_buf_len); - if(tmp == NULL) { - /* memory allocation error */ - free(content_buf); - free(header_buf); - *size = -1; - return NULL; - } - content_buf = tmp; - } - memcpy(content_buf + content_buf_used, buf, n); - content_buf_used += n; - } - } - /* use the Content-Length header value if available */ - if(content_length > 0 && content_buf_used >= (unsigned int)content_length) - { -#ifdef DEBUG - printf("End of HTTP content\n"); -#endif - break; - } - } -end_of_stream: - free(header_buf); header_buf = NULL; - *size = content_buf_used; - if(content_buf_used == 0) - { - free(content_buf); - content_buf = NULL; - } - return content_buf; -} - -/* miniwget3() : - * do all the work. - * Return NULL if something failed. */ -static void * -miniwget3(const char * host, - unsigned short port, const char * path, - int * size, char * addr_str, int addr_str_len, - const char * httpversion, unsigned int scope_id, - int * status_code) -{ - char buf[2048]; - int s; - int n; - int len; - int sent; - void * content; - - *size = 0; - s = connecthostport(host, port, scope_id); - if(s < 0) - return NULL; - - /* get address for caller ! */ - if(addr_str) - { - struct sockaddr_storage saddr; - socklen_t saddrlen; - - saddrlen = sizeof(saddr); - if(getsockname(s, (struct sockaddr *)&saddr, &saddrlen) < 0) - { - perror("getsockname"); - } - else - { -#if defined(__amigaos__) && !defined(__amigaos4__) - /* using INT WINAPI WSAAddressToStringA(LPSOCKADDR, DWORD, LPWSAPROTOCOL_INFOA, LPSTR, LPDWORD); - * But his function make a string with the port : nn.nn.nn.nn:port */ -/* if(WSAAddressToStringA((SOCKADDR *)&saddr, sizeof(saddr), - NULL, addr_str, (DWORD *)&addr_str_len)) - { - printf("WSAAddressToStringA() failed : %d\n", WSAGetLastError()); - }*/ - /* the following code is only compatible with ip v4 addresses */ - strncpy(addr_str, inet_ntoa(((struct sockaddr_in *)&saddr)->sin_addr), addr_str_len); -#else -#if 0 - if(saddr.sa_family == AF_INET6) { - inet_ntop(AF_INET6, - &(((struct sockaddr_in6 *)&saddr)->sin6_addr), - addr_str, addr_str_len); - } else { - inet_ntop(AF_INET, - &(((struct sockaddr_in *)&saddr)->sin_addr), - addr_str, addr_str_len); - } -#endif - /* getnameinfo return ip v6 address with the scope identifier - * such as : 2a01:e35:8b2b:7330::%4281128194 */ - n = getnameinfo((const struct sockaddr *)&saddr, saddrlen, - addr_str, addr_str_len, - NULL, 0, - NI_NUMERICHOST | NI_NUMERICSERV); - if(n != 0) { -#ifdef _WIN32 - fprintf(stderr, "getnameinfo() failed : %d\n", n); -#else - fprintf(stderr, "getnameinfo() failed : %s\n", gai_strerror(n)); -#endif - } -#endif - } -#ifdef DEBUG - printf("address miniwget : %s\n", addr_str); -#endif - } - - len = snprintf(buf, sizeof(buf), - "GET %s HTTP/%s\r\n" - "Host: %s:%d\r\n" - "Connection: Close\r\n" - "User-Agent: " OS_STRING ", " UPNP_VERSION_STRING ", MiniUPnPc/" MINIUPNPC_VERSION_STRING "\r\n" - - "\r\n", - path, httpversion, host, port); - if ((unsigned int)len >= sizeof(buf)) - { - closesocket(s); - return NULL; - } - sent = 0; - /* sending the HTTP request */ - while(sent < len) - { - n = send(s, buf+sent, len-sent, 0); - if(n < 0) - { - perror("send"); - closesocket(s); - return NULL; - } - else - { - sent += n; - } - } - content = getHTTPResponse(s, size, status_code); - closesocket(s); - return content; -} - -/* miniwget2() : - * Call miniwget3(); retry with HTTP/1.1 if 1.0 fails. */ -static void * -miniwget2(const char * host, - unsigned short port, const char * path, - int * size, char * addr_str, int addr_str_len, - unsigned int scope_id, int * status_code) -{ - char * respbuffer; - -#if 1 - respbuffer = miniwget3(host, port, path, size, - addr_str, addr_str_len, "1.1", - scope_id, status_code); -#else - respbuffer = miniwget3(host, port, path, size, - addr_str, addr_str_len, "1.0", - scope_id, status_code); - if (*size == 0) - { -#ifdef DEBUG - printf("Retrying with HTTP/1.1\n"); -#endif - free(respbuffer); - respbuffer = miniwget3(host, port, path, size, - addr_str, addr_str_len, "1.1", - scope_id, status_code); - } -#endif - return respbuffer; -} - - - - -/* parseURL() - * arguments : - * url : source string not modified - * hostname : hostname destination string (size of MAXHOSTNAMELEN+1) - * port : port (destination) - * path : pointer to the path part of the URL - * - * Return values : - * 0 - Failure - * 1 - Success */ -int -parseURL(const char * url, - char * hostname, unsigned short * port, - char * * path, unsigned int * scope_id) -{ - char * p1, *p2, *p3; - if(!url) - return 0; - p1 = strstr(url, "://"); - if(!p1) - return 0; - p1 += 3; - if( (url[0]!='h') || (url[1]!='t') - ||(url[2]!='t') || (url[3]!='p')) - return 0; - memset(hostname, 0, MAXHOSTNAMELEN + 1); - if(*p1 == '[') - { - /* IP v6 : http://[2a00:1450:8002::6a]/path/abc */ - char * scope; - scope = strchr(p1, '%'); - p2 = strchr(p1, ']'); - if(p2 && scope && scope < p2 && scope_id) { - /* parse scope */ -#ifdef IF_NAMESIZE - char tmp[IF_NAMESIZE]; - int l; - scope++; - /* "%25" is just '%' in URL encoding */ - if(scope[0] == '2' && scope[1] == '5') - scope += 2; /* skip "25" */ - l = p2 - scope; - if(l >= IF_NAMESIZE) - l = IF_NAMESIZE - 1; - memcpy(tmp, scope, l); - tmp[l] = '\0'; - *scope_id = if_nametoindex(tmp); - if(*scope_id == 0) { - *scope_id = (unsigned int)strtoul(tmp, NULL, 10); - } -#else - /* under windows, scope is numerical */ - char tmp[8]; - int l; - scope++; - /* "%25" is just '%' in URL encoding */ - if(scope[0] == '2' && scope[1] == '5') - scope += 2; /* skip "25" */ - l = p2 - scope; - if(l >= sizeof(tmp)) - l = sizeof(tmp) - 1; - memcpy(tmp, scope, l); - tmp[l] = '\0'; - *scope_id = (unsigned int)strtoul(tmp, NULL, 10); -#endif - } - p3 = strchr(p1, '/'); - if(p2 && p3) - { - p2++; - strncpy(hostname, p1, MIN(MAXHOSTNAMELEN, (int)(p2-p1))); - if(*p2 == ':') - { - *port = 0; - p2++; - while( (*p2 >= '0') && (*p2 <= '9')) - { - *port *= 10; - *port += (unsigned short)(*p2 - '0'); - p2++; - } - } - else - { - *port = 80; - } - *path = p3; - return 1; - } - } - p2 = strchr(p1, ':'); - p3 = strchr(p1, '/'); - if(!p3) - return 0; - if(!p2 || (p2>p3)) - { - strncpy(hostname, p1, MIN(MAXHOSTNAMELEN, (int)(p3-p1))); - *port = 80; - } - else - { - strncpy(hostname, p1, MIN(MAXHOSTNAMELEN, (int)(p2-p1))); - *port = 0; - p2++; - while( (*p2 >= '0') && (*p2 <= '9')) - { - *port *= 10; - *port += (unsigned short)(*p2 - '0'); - p2++; - } - } - *path = p3; - return 1; -} - -void * -miniwget(const char * url, int * size, - unsigned int scope_id, int * status_code) -{ - unsigned short port; - char * path; - /* protocol://host:port/chemin */ - char hostname[MAXHOSTNAMELEN+1]; - *size = 0; - if(!parseURL(url, hostname, &port, &path, &scope_id)) - return NULL; -#ifdef DEBUG - printf("parsed url : hostname='%s' port=%hu path='%s' scope_id=%u\n", - hostname, port, path, scope_id); -#endif - return miniwget2(hostname, port, path, size, 0, 0, scope_id, status_code); -} - -void * -miniwget_getaddr(const char * url, int * size, - char * addr, int addrlen, unsigned int scope_id, - int * status_code) -{ - unsigned short port; - char * path; - /* protocol://host:port/path */ - char hostname[MAXHOSTNAMELEN+1]; - *size = 0; - if(addr) - addr[0] = '\0'; - if(!parseURL(url, hostname, &port, &path, &scope_id)) - return NULL; -#ifdef DEBUG - printf("parsed url : hostname='%s' port=%hu path='%s' scope_id=%u\n", - hostname, port, path, scope_id); -#endif - return miniwget2(hostname, port, path, size, addr, addrlen, scope_id, status_code); -} - |