/* Function to Build a response */
int buildresponse(http_request_t *http_request,http_status_t *http_status,http_response_t *http_response)
{
int file_fd,length;
ssize_t numread;
char readbuf[MEMORYSIZE],writebuf[MEMORYSIZE];
http_header_t http_response_header;
int headerindex=0;
int position;
char *uripath;
uripath=strdup(http_request->uri);
getdatetime(http_response);
headerindex++;
strncpy(http_response->resource_path,http_request->uri,PATH_MAX);
char content_type[50];
memset(content_type,0,sizeof(content_type));
if(uripath)
parsepath(uripath,content_type);
strncpy(http_response->headers[POSITION_SERVER].field_name,"Server",MAX_HEADER_NAME_LENGTH);
strncpy(http_response->headers[POSITION_SERVER].field_value,"CSUC",MAX_HEADER_VALUE_LENGTH);
headerindex++;
http_response->status.code=http_status->code;
http_response->status.reason=http_status->reason;
http_response->major_version=http_request->major_version;
http_response->minor_version=http_request->minor_version;
strncpy(http_response->headers[POSITION_CONTENTTYPE].field_name,"Content-Type",MAX_HEADER_NAME_LENGTH);
headerindex++;
strncpy(http_response->headers[POSITION_CONTENTLENGTH].field_name,"Content-Length",MAX_HEADER_NAME_LENGTH);
char lengthbuffer[MEMORYSIZE];
int writecheck;
if(http_status->code!=HTTP_STATUS_LOOKUP[POSITION_OK].code)
{
writecheck=checkforerrorfiles(http_status,http_response);
strncpy(http_response->headers[POSITION_CONTENTTYPE].field_value,".html",MAX_HEADER_VALUE_LENGTH);
}
else
{
strncpy(http_response->headers[POSITION_CONTENTTYPE].field_value,content_type,MAX_HEADER_VALUE_LENGTH);
strncpy(http_response->headers[POSITION_CONTENTLENGTH].field_name,"Content-Length",MAX_HEADER_NAME_LENGTH);
length=find_content_length(http_request->uri,http_status);
sprintf(lengthbuffer,"%d",length);
strncpy(http_response->headers[POSITION_CONTENTLENGTH].field_value,lengthbuffer,MAX_HEADER_VALUE_LENGTH);
}
headerindex++;
http_response->header_count=headerindex;
free(uripath);
return;
}
/*
** Process a single incoming HTTP request.
*/
static void win32_process_one_http_request(void *pAppData){
HttpRequest *p = (HttpRequest*)pAppData;
FILE *in = 0, *out = 0;
int amt, got;
int wanted = 0;
char *z;
char zRequestFName[MAX_PATH];
char zReplyFName[MAX_PATH];
char zCmd[2000]; /* Command-line to process the request */
char zHdr[2000]; /* The HTTP request header */
sqlite3_snprintf(MAX_PATH, zRequestFName,
"%s_in%d.txt", zTempPrefix, p->id);
sqlite3_snprintf(MAX_PATH, zReplyFName,
"%s_out%d.txt", zTempPrefix, p->id);
amt = 0;
while( amt<sizeof(zHdr) ){
got = recv(p->s, &zHdr[amt], sizeof(zHdr)-1-amt, 0);
if( got==SOCKET_ERROR ) goto end_request;
if( got==0 ){
wanted = 0;
break;
}
amt += got;
zHdr[amt] = 0;
z = strstr(zHdr, "\r\n\r\n");
if( z ){
wanted = find_content_length(zHdr) + (&z[4]-zHdr) - amt;
break;
}
}
if( amt>=sizeof(zHdr) ) goto end_request;
out = fossil_fopen(zRequestFName, "wb");
if( out==0 ) goto end_request;
fwrite(zHdr, 1, amt, out);
while( wanted>0 ){
got = recv(p->s, zHdr, sizeof(zHdr), 0);
if( got==SOCKET_ERROR ) goto end_request;
if( got ){
fwrite(zHdr, 1, got, out);
}else{
break;
}
wanted -= got;
}
fclose(out);
out = 0;
sqlite3_snprintf(sizeof(zCmd), zCmd, "\"%s\" http \"%s\" %s %s %s --nossl%s",
g.nameOfExe, g.zRepositoryName, zRequestFName, zReplyFName,
inet_ntoa(p->addr.sin_addr), p->zOptions
);
fossil_system(zCmd);
in = fossil_fopen(zReplyFName, "rb");
if( in ){
while( (got = fread(zHdr, 1, sizeof(zHdr), in))>0 ){
send(p->s, zHdr, got, 0);
}
}
end_request:
if( out ) fclose(out);
if( in ) fclose(in);
closesocket(p->s);
file_delete(zRequestFName);
file_delete(zReplyFName);
free(p);
}
int checkforerrorfiles(http_status_t *status,http_response_t *http_response)
{
FILE *fpcheck;
int file_fd,writecheck;
//ssize_t numread;
int numread;
int checkfile=1,length;
char *filename404=malloc(sizeof(char) * MEMORYSIZE);
char *filename400=malloc(sizeof(char) * MEMORYSIZE);
char readbuf[MEMORYSIZE],writebuf[MEMORYSIZE],lengthbuffer[MEMORYSIZE];
strcpy(filename404,directory_name);
strcat(filename404,"/404.html");
strcpy(filename400,directory_name);
strcat(filename400,"/400.html");
// printf("%s\n",filename404);
// printf("%s\n",filename400);
switch(status->code)
{
case 404:
fpcheck=fopen(filename404,"r");
if(fpcheck==NULL)
{
fpcheck=fopen(filename400,"r");
if(fpcheck==NULL)
checkfile=-1;
else
{
length=find_content_length(filename400,status);
fclose(fpcheck);
}
}
else
{
length=find_content_length(filename404,status);
fclose(fpcheck);
}
sprintf(lengthbuffer,"%d",length);
strncpy(http_response->headers[POSITION_CONTENTLENGTH].field_value,lengthbuffer,MAX_HEADER_VALUE_LENGTH);
break;
}
if(checkfile==-1)
{
switch(status->code)
{
case 404:
file_fd=open(FILENOTFOUND,O_CREAT|O_RDWR,S_IRUSR|S_IWUSR);
if(file_fd==-1)
logt(level,"File Open Error\n");
//perror("File Open Error");
else
{
numread=read(file_fd,readbuf,MEMORYSIZE);
if(numread==0)
{
sprintf(writebuf,"404 Error-Page Not Found");
writecheck=write(file_fd,writebuf,strlen(writebuf));
if(writecheck==-1)
logt(level,"File Write Error\n");
//perror("File Write Error");
else
{
//sprintf(lengthbuffer,"%d",strlen(writebuf));
sprintf(lengthbuffer,"%d",24);
//strcpy(lengthbuffer,strlen(writebuf))
}
}
else
sprintf(lengthbuffer,"%d",numread);
close(file_fd);
}
}
strncpy(http_response->headers[POSITION_CONTENTLENGTH].field_value,lengthbuffer,MAX_HEADER_VALUE_LENGTH);
}
free(filename404);
free(filename400);
return checkfile;
}
