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Overview
Comment:When --httptrace is used with "fossil ui" or "fossil server", create log files containing the text of each HTTP request.
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SHA1: 6f3d328fbf91fdee2291d1ce556bfb1947543193
User & Date: drh 2012-11-24 23:07:12
Context
2012-11-24
23:54
Bug fixes in the TICKETCHNG update mechanism. check-in: 7136ff4c user: drh tags: ticket-enhancements
23:07
When --httptrace is used with "fossil ui" or "fossil server", create log files containing the text of each HTTP request. check-in: 6f3d328f user: drh tags: ticket-enhancements
22:40
Fix a bug in TH1 trace output. check-in: 48cf0994 user: drh tags: ticket-enhancements
Changes
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Changes to src/cgi.c.

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  }else{ /* generic error message */
      json_err( FSL_JSON_E_INVALID_REQUEST, NULL, 1 );
  }
  fossil_exit( g.isHTTP ? 0 : 1);
}
#endif /* FOSSIL_ENABLE_JSON */






























/*
** Initialize the query parameter database.  Information is pulled from
** the QUERY_STRING environment variable (if it exists), from standard
** input if there is POST data, and from HTTP_COOKIE.
*/
void cgi_init(void){
................................................................................
  if( len>0 && zType ){
    blob_zero(&g.cgiIn);
    if( fossil_strcmp(zType,"application/x-www-form-urlencoded")==0 
         || strncmp(zType,"multipart/form-data",19)==0 ){
      z = fossil_malloc( len+1 );
      len = fread(z, 1, len, g.httpIn);
      z[len] = 0;

      if( zType[0]=='a' ){
        add_param_list(z, '&');
      }else{
        process_multipart_form_data(z, len);
      }
    }else if( fossil_strcmp(zType, "application/x-fossil")==0 ){
      blob_read_from_channel(&g.cgiIn, g.httpIn, len);
................................................................................
  struct sockaddr_in remoteName;
  socklen_t size = sizeof(struct sockaddr_in);
  char zLine[2000];     /* A single line of input. */
  g.fullHttpReply = 1;
  if( fgets(zLine, sizeof(zLine),g.httpIn)==0 ){
    malformed_request();
  }

  zToken = extract_token(zLine, &z);
  if( zToken==0 ){
    malformed_request();
  }
  if( fossil_strcmp(zToken,"GET")!=0 && fossil_strcmp(zToken,"POST")!=0
      && fossil_strcmp(zToken,"HEAD")!=0 ){
    malformed_request();
................................................................................
 
  /* Get all the optional fields that follow the first line.
  */
  while( fgets(zLine,sizeof(zLine),g.httpIn) ){
    char *zFieldName;
    char *zVal;


    zFieldName = extract_token(zLine,&zVal);
    if( zFieldName==0 || *zFieldName==0 ) break;
    while( fossil_isspace(*zVal) ){ zVal++; }
    i = strlen(zVal);
    while( i>0 && fossil_isspace(zVal[i-1]) ){ i--; }
    zVal[i] = 0;
    for(i=0; zFieldName[i]; i++){
................................................................................
    }else if( fossil_strcmp(zFieldName,"referer:")==0 ){
      cgi_setenv("HTTP_REFERER", zVal);
#endif
    }else if( fossil_strcmp(zFieldName,"user-agent:")==0 ){
      cgi_setenv("HTTP_USER_AGENT", zVal);
    }
  }

  cgi_init();

}

#if INTERFACE
/* 
** Bitmap values for the flags parameter to cgi_http_server().
*/
#define HTTP_SERVER_LOCALHOST      0x0001     /* Bind to 127.0.0.1 only */







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  }else{ /* generic error message */
      json_err( FSL_JSON_E_INVALID_REQUEST, NULL, 1 );
  }
  fossil_exit( g.isHTTP ? 0 : 1);
}
#endif /* FOSSIL_ENABLE_JSON */

/*
** Log HTTP traffic to a file.  Begin the log on first use.  Close the log
** when the argument is NULL.
*/
void cgi_trace(const char *z){
  static FILE *pLog = 0;
  if( g.fHttpTrace==0 ) return;
  if( z==0 ){
    if( pLog ) fclose(pLog);
    pLog = 0;
    return;
  }
  if( pLog==0 ){
    char zFile[50];
    unsigned r;
    sqlite3_randomness(sizeof(r), &r);
    sqlite3_snprintf(sizeof(zFile), zFile, "httplog-%08x.txt", r);
    pLog = fopen(zFile, "w");
    if( pLog ){
      fprintf(stderr, "# open log on %s\n", zFile);
    }else{
      fprintf(stderr, "# failed to open %s\n", zFile);
      return;
    }
  }
  fputs(z, pLog);
}


/*
** Initialize the query parameter database.  Information is pulled from
** the QUERY_STRING environment variable (if it exists), from standard
** input if there is POST data, and from HTTP_COOKIE.
*/
void cgi_init(void){
................................................................................
  if( len>0 && zType ){
    blob_zero(&g.cgiIn);
    if( fossil_strcmp(zType,"application/x-www-form-urlencoded")==0 
         || strncmp(zType,"multipart/form-data",19)==0 ){
      z = fossil_malloc( len+1 );
      len = fread(z, 1, len, g.httpIn);
      z[len] = 0;
      cgi_trace(z);
      if( zType[0]=='a' ){
        add_param_list(z, '&');
      }else{
        process_multipart_form_data(z, len);
      }
    }else if( fossil_strcmp(zType, "application/x-fossil")==0 ){
      blob_read_from_channel(&g.cgiIn, g.httpIn, len);
................................................................................
  struct sockaddr_in remoteName;
  socklen_t size = sizeof(struct sockaddr_in);
  char zLine[2000];     /* A single line of input. */
  g.fullHttpReply = 1;
  if( fgets(zLine, sizeof(zLine),g.httpIn)==0 ){
    malformed_request();
  }
  cgi_trace(zLine);
  zToken = extract_token(zLine, &z);
  if( zToken==0 ){
    malformed_request();
  }
  if( fossil_strcmp(zToken,"GET")!=0 && fossil_strcmp(zToken,"POST")!=0
      && fossil_strcmp(zToken,"HEAD")!=0 ){
    malformed_request();
................................................................................
 
  /* Get all the optional fields that follow the first line.
  */
  while( fgets(zLine,sizeof(zLine),g.httpIn) ){
    char *zFieldName;
    char *zVal;

    cgi_trace(zLine);
    zFieldName = extract_token(zLine,&zVal);
    if( zFieldName==0 || *zFieldName==0 ) break;
    while( fossil_isspace(*zVal) ){ zVal++; }
    i = strlen(zVal);
    while( i>0 && fossil_isspace(zVal[i-1]) ){ i--; }
    zVal[i] = 0;
    for(i=0; zFieldName[i]; i++){
................................................................................
    }else if( fossil_strcmp(zFieldName,"referer:")==0 ){
      cgi_setenv("HTTP_REFERER", zVal);
#endif
    }else if( fossil_strcmp(zFieldName,"user-agent:")==0 ){
      cgi_setenv("HTTP_USER_AGENT", zVal);
    }
  }

  cgi_init();
  cgi_trace(0);
}

#if INTERFACE
/* 
** Bitmap values for the flags parameter to cgi_http_server().
*/
#define HTTP_SERVER_LOCALHOST      0x0001     /* Bind to 127.0.0.1 only */