Hi,
  I'm using libcurl to send SOAP-XML messages over HTTPS. I'm now able to do 1 post, and receive the answer without problem. But when I try to do 2 post in a row, the second post doesn't end correctly, and my C program ends in a core dump. Here is what I've programmed:

CURL *ch;struct curl_slist *headerlist=NULL;struct MemoryStruct *bodyStruct=NULL;char _gatineauSoapReq[2000]="";
void _gatineauInit() { ch = curl_easy_init(); curl_easy_setopt(ch, CURLOPT_URL, transactionServerUrl3); curl_easy_setopt(ch, CURLOPT_POST, 1); curl_easy_setopt(ch, CURLOPT_HEADER, 1); curl_easy_setopt(ch, CURLOPT_VERBOSE, 1); curl_easy_setopt(ch, CURLOPT_WRITEFUNCTION, WriteMemoryCallback); if ((bodyStruct = (struct MemoryStruct *) malloc(sizeof(struct MemoryStruct))) == NULL) exit(1); curl_easy_setopt(ch, CURLOPT_FILE, bodyStruct);}
void _gatineauEndReq() { free(bodyStruct); curl_slist_free_all(headerlist); curl_easy_cleanup(ch);}
int _gatineauExtractRetour(char *response) { char *tok="", buf[64]="", *p=""; p = strstr(response, "<Retour>"); tok = strtok(p, ">"); tok = strtok(NULL, "<"); strcpy(buf, tok); return(atoi(buf));}
void _gatineauValidateNow( const char *arg1, const char *arg2, const char *arg3, const char *arg4) {
  // I make sure that headerlist is erased before rebuilding it with the soap function curl_slist_free_all(headerlist);
  headerlist = curl_slist_append(headerlist, "Content-Type: text/xml"); headerlist = curl_slist_append(headerlist, "SOAPAction: \"http://blabla.com/blabla_services/ValidateNow\""); sprintf(_gatineauSoapReq, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\<soap:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" \xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\">\<soap:Body>\<ValidateNow xmlns=\"namespace://xml.blabla.com/shemas/blabla_service/blabliblo/\">\<IdSessionTel>%s</IdSessionTel>\<NoMember>%s</NoMember>\<NoActivity>%s</NoActivity>\<ready>%s</ready>\</ValidateNow>\</soap:Body>\</soap:Envelope>", arg1, arg2, arg3, arg4); curl_easy_setopt(ch, CURLOPT_POSTFIELDS, _gatineauSoapReq); curl_easy_setopt(ch, CURLOPT_HTTPHEADER, headerlist); curl_easy_perform(ch);}

void _gatineau() { char *strToSend="", buf[2000]="", buf2[256]="", *dtmf="", *msgDir="", msgPath[128]="", *periodInfo=""; int i=0, retour=0; _gatineauInit(); _gatineauValidateNow("1234", "0052", "654321", "0"); printf("Retour: %s\n", bodyStruct->memory); retour = _gatineauExtractRetour(bodyStruct->memory); printf("Retour1: --%d--\n", retour);
  _gatineauValidateNow("1235", "0053", "123456", "1"); printf("Retour: %s\n", bodyStruct->memory); retour = _gatineauExtractRetour(bodyStruct->memory); printf("Retour2: --%d--\n", retour); _gatineauEndReq();}
I think that may be the problem is within the headerlist function :
  curl_slist_free_all(headerlist);
  headerlist = curl_slist_append(headerlist, "Content-Type: text/xml");
If someone has already done something with soap-xml or has made several posts within the same curl session, please help!

Thank you,
Francis Dagenais

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Received on 2002-07-15