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Annotation of embedaddon/miniupnpc/src/minisoap.c, revision 1.1.1.1

1.1       misho       1: /* $Id: minisoap.c,v 1.30 2020/11/09 19:27:42 nanard Exp $ */
                      2: /* vim: tabstop=4 shiftwidth=4 noexpandtab
                      3:  * Project : miniupnp
                      4:  * Author : Thomas Bernard
                      5:  * Copyright (c) 2005-2020 Thomas Bernard
                      6:  * This software is subject to the conditions detailed in the
                      7:  * LICENCE file provided in this distribution.
                      8:  *
                      9:  * Minimal SOAP implementation for UPnP protocol.
                     10:  */
                     11: #include <stdio.h>
                     12: #include <string.h>
                     13: #ifdef _WIN32
                     14: #include <io.h>
                     15: #include <winsock2.h>
                     16: #include "win32_snprintf.h"
                     17: #else
                     18: #include <unistd.h>
                     19: #include <sys/types.h>
                     20: #include <sys/socket.h>
                     21: #endif
                     22: #include "minisoap.h"
                     23: #include "miniupnpcstrings.h"
                     24: 
                     25: /* only for malloc */
                     26: #include <stdlib.h>
                     27: 
                     28: /* httpWrite sends the headers and the body to the socket
                     29:  * and returns the number of bytes sent */
                     30: static int
                     31: httpWrite(SOCKET fd, const char * body, int bodysize,
                     32:           const char * headers, int headerssize)
                     33: {
                     34:    int n = 0;
                     35:    /*n = write(fd, headers, headerssize);*/
                     36:    /*if(bodysize>0)
                     37:        n += write(fd, body, bodysize);*/
                     38:    /* Note : my old linksys router only took into account
                     39:     * soap request that are sent into only one packet */
                     40:    char * p;
                     41:    /* TODO: AVOID MALLOC, we could use writev() for that */
                     42:    p = malloc(headerssize+bodysize);
                     43:    if(!p)
                     44:      return -1;
                     45:    memcpy(p, headers, headerssize);
                     46:    memcpy(p+headerssize, body, bodysize);
                     47:    /*n = write(fd, p, headerssize+bodysize);*/
                     48:    n = send(fd, p, headerssize+bodysize, 0);
                     49:    if(n<0) {
                     50:      PRINT_SOCKET_ERROR("send");
                     51:    }
                     52:    /* disable send on the socket */
                     53:    /* draytek routers don't seem to like that... */
                     54: #if 0
                     55: #ifdef _WIN32
                     56:    if(shutdown(fd, SD_SEND)<0) {
                     57: #else
                     58:    if(shutdown(fd, SHUT_WR)<0) { /*SD_SEND*/
                     59: #endif
                     60:        PRINT_SOCKET_ERROR("shutdown");
                     61:    }
                     62: #endif
                     63:    free(p);
                     64:    return n;
                     65: }
                     66: 
                     67: /* self explanatory  */
                     68: int soapPostSubmit(SOCKET fd,
                     69:                    const char * url,
                     70:                   const char * host,
                     71:                   unsigned short port,
                     72:                   const char * action,
                     73:                   const char * body,
                     74:                   const char * httpversion)
                     75: {
                     76:    char headerbuf[512];
                     77:    int headerssize;
                     78:    char portstr[8];
                     79:    int bodysize = (int)strlen(body);
                     80:    /* We are not using keep-alive HTTP connections.
                     81:     * HTTP/1.1 needs the header Connection: close to do that.
                     82:     * This is the default with HTTP/1.0
                     83:     * Using HTTP/1.1 means we need to support chunked transfer-encoding :
                     84:     * When using HTTP/1.1, the router "BiPAC 7404VNOX" always use chunked
                     85:     * transfer encoding. */
                     86:     /* Connection: Close is normally there only in HTTP/1.1 but who knows */
                     87:    portstr[0] = '\0';
                     88:    if(port != 80)
                     89:        snprintf(portstr, sizeof(portstr), ":%hu", port);
                     90:    headerssize = snprintf(headerbuf, sizeof(headerbuf),
                     91:                        "POST %s HTTP/%s\r\n"
                     92:                       "Host: %s%s\r\n"
                     93:                       "User-Agent: " OS_STRING ", " UPNP_VERSION_STRING ", MiniUPnPc/" MINIUPNPC_VERSION_STRING "\r\n"
                     94:                       "Content-Length: %d\r\n"
                     95:                       "Content-Type: text/xml\r\n"
                     96:                       "SOAPAction: \"%s\"\r\n"
                     97:                       "Connection: Close\r\n"
                     98:                       "Cache-Control: no-cache\r\n"    /* ??? */
                     99:                       "Pragma: no-cache\r\n"
                    100:                       "\r\n",
                    101:                       url, httpversion, host, portstr, bodysize, action);
                    102:    if ((unsigned int)headerssize >= sizeof(headerbuf))
                    103:        return -1;
                    104: #ifdef DEBUG
                    105:    /*printf("SOAP request : headersize=%d bodysize=%d\n",
                    106:           headerssize, bodysize);
                    107:    */
                    108:    printf("SOAP request : POST %s HTTP/%s - Host: %s%s\n",
                    109:            url, httpversion, host, portstr);
                    110:    printf("SOAPAction: \"%s\" - Content-Length: %d\n", action, bodysize);
                    111:    printf("Headers :\n%s", headerbuf);
                    112:    printf("Body :\n%s\n", body);
                    113: #endif
                    114:    return httpWrite(fd, body, bodysize, headerbuf, headerssize);
                    115: }
                    116: 
                    117: