Linux下onvif客戶端獲取ipc攝像頭 GetServices：獲取媒體地址（有的h265攝像頭必須要這個介面）

GetServices：獲取媒體地址（有些h265的攝像頭必須用到這個介面，得到獲取能力時沒獲取到的另一個媒體地址）

鑒權：但是在使用這個介面之前是需要鑒權的。ONVIF協議規定，部分介面需要鑒權，部分介面不需要鑒權，在調用需要鑒權的介面時不使用鑒權，會導致介面調用失敗。實現鑒權的方式之一可以調用gSOAP源碼中的 soap_wsse_add_UsernameTokenDigest()函數。要安裝依賴庫OpenSSL

實現代碼：

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>

#include "soapH.h"
#include "stdsoap2.h"
#include "soapStub.h"
#include "wsseapi.h"

#include "wsdd.nsmap" //命名空間

static struct soap* ONVIF_Initsoap(struct SOAP_ENV__Header *header, const char *was_To, const char *was_Action, int timeout)
{
    struct soap *soap = NULL;    // soap環境變數
    unsigned char macaddr[6];
    char _HwId[1024];
    unsigned int Flagrand;

    soap = soap_new();
    if(soap == NULL)
    {
        printf("[%d]soap = NULL\n", __LINE__);
        return NULL;
    }

    soap_set_namespaces(soap, namespaces);   // 設置soap的namespaces，即設置命名空間

    // 設置超時（超過指定時間沒有數據就退出）
    if(timeout > 0)
    {
        soap->recv_timeout = timeout;
        soap->send_timeout = timeout;
        soap->connect_timeout = timeout;
    }
    else
    {
        //Maximum waittime : 20s
        soap->recv_timeout  = 20;
        soap->send_timeout  = 20;
        soap->connect_timeout = 20;
    }

    soap_default_SOAP_ENV__Header(soap, header);

    //Create SessionID randomly,生成uuid(windows下叫guid，linux下叫uuid)，格式為urn:uuid:8-4-4-4-12，由系統隨機產生
    srand((int)time(0));
    Flagrand = rand()%9000 + 8888;
    macaddr[0] = 0x1;
    macaddr[1] = 0x2;
    macaddr[2] = 0x3;
    macaddr[3] = 0x4;
    macaddr[4] = 0x5;
    macaddr[5] = 0x6;
    sprintf(_HwId, "urn:uuid:%ud68a-1dd2-11b2-a105-%02X%02X%02X%02X%02X%02X", Flagrand, macaddr[0], macaddr[1], macaddr[2],macaddr[3],macaddr[4],macaddr[5]);
    header->wsa__MessageID = (char *)malloc(100);  
    memset(header->wsa__MessageID, 0, 100);
    strncpy(header->wsa__MessageID, _HwId, strlen(_HwId));    //wsa__MessageID存放的是uuid

    if(was_Action != NULL)
    {
        header->wsa__Action = (char*)malloc(1024);
        memset(header->wsa__Action, '\0', 1024);
        strncpy(header->wsa__Action, was_Action, 1024); //
    }
    if(was_To != NULL)
    {
        header->wsa__To = (char *)malloc(1024);
        memset(header->wsa__To, '\0', 1024);
        strncpy(header->wsa__To, was_To, 1024);//"urn:schemas-xmlsoap-org:ws:2005:04:discovery";
    }
    soap->header = header;
    return soap;
}


//釋放函數
void ONVIF_soap_delete(struct soap *soap)
{
    soap_destroy(soap);                      // remove deserialized class instances (C++ only)
    soap_end(soap);                          // Clean up deserialized data (except class instances) and temporary data
    soap_free(soap);                         // Reset and deallocate the context created with soap_new or soap_copy
}


//鑒權
static int ONVIF_SetAuthInfo(struct soap *soap, const char *username, const char *password)
{
    int result = 0;
    if((NULL != username) || (NULL != password)){
        soap_wsse_add_UsernameTokenDigest(soap, NULL, username, password);
    }else{
        printf("un etAuth\n");
        result = -1;
    }

    return result;
}



int main(int argc,char *argv[])
{
    int i = 0;
    int ret = 0;
    char secvre_addr[] = "http://172.168.0.211/onvif/device_service"; //設備搜索獲取得到的服務地址
    struct SOAP_ENV__Header header;
    struct _tds__GetServices *tds__GetServices;
    struct _tds__GetServicesResponse *tds__GetServicesResponse;

    struct soap* soap = ONVIF_Initsoap(&header, NULL, NULL, 5);

    //tds__GetServices->IncludeCapability = (enum xsd__boolean *)soap_malloc(soap, sizeof(int));
    //*(tds__GetServices->IncludeCapability) = (enum xsd__boolean)0;
    
    tds__GetServices->IncludeCapability = 0;

    ONVIF_SetAuthInfo(soap,"admin","123456");  //鑒權
    soap_call___tds__GetServices(soap,secvre_addr,NULL, tds__GetServices, tds__GetServicesResponse);
    if(soap->error){ 
        ret = -1;
        printf("soap error: %d, %s, %s\n", soap->error, *soap_faultcode(soap), *soap_faultstring(soap));
        return ret;
    }else{
        if (tds__GetServicesResponse->Service[i].Namespace != NULL ){
            for(i=0; i<tds__GetServicesResponse->__sizeService; i++)
            {
                if(strcmp(tds__GetServicesResponse->Service[i].Namespace, "http://www.onvif.org/ver20/media/wsdl") == 0)
                {
                    printf("  media_addr[%d] %s\n", i, tds__GetServicesResponse->Service[i].XAddr);
                }
                if(strcmp(tds__GetServicesResponse->Service[i].Namespace, "http://www.onvif.org/ver10/media/wsdl") == 0)     
                {
                    printf("  media_addr->XAddr[%d] %s\n", i, tds__GetServicesResponse->Service[i].XAddr);
                   
                }
            }

        }
    }

    ONVIF_soap_delete(soap);
    return ret;
}

編譯：gcc -o test get_Uri_test.c stdsoap2.c soapC.c md5.c dom.c mecevp.c smdevp.c threads.c wsaapi.c wsseapi.c soapClient.c -I import/ -DWITH_OPENSSL -lssl -lcrypto -ldl -pthread 

結果：

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