netcdf-c/ncdap_test/t_auth.c
Dennis Heimbigner 9b7202bf06 Explicitly disallow variable length type compression
re: https://github.com/Unidata/netcdf-c/issues/2189

Compression of a variable whose type is variable length
fails for all current filters. This is because at some point,
the compression buffer will contain pointers to data instead
of the actual data. Compression of pointers of course is meaningless.

The PR changes the behavior of nc_def_var_filter so that it will
fail with error NC_EFILTER if an attempt is made to add a filter
to a variable whose type is variable-length.

A variable is variable-length if it is of type string or VLEN
or transitively (via a compound type) contains a string or VLEN.

Also added a test case for this.

## Misc Changes
1. Turn off a number of debugging statements
2022-02-19 16:47:31 -07:00

214 lines
4.7 KiB
C

/*! \file
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
2015, 2016, 2017, 2018
University Corporation for Atmospheric Research/Unidata.
See \ref copyright file for more info.
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#undef DEBUG
#include "netcdf.h"
#include "nctestserver.h"
#undef NOEMBED
#undef NOLOCAL
#undef NOHOME
#define NOREDIR
#define KEEPRC
#define AUTHTESTSERVER "thredds.ucar.edu"
#define RC ".daprc"
#define SPECRC "./daprc"
#define USERPWD "authtester:auth"
#define COOKIEFILE "./cookies"
#define URL1 "https://%s@%s/thredds/dodsC/test3/testData.nc"
#define URL2 "https://thredds/%s/dodsC/test3/testData.nc"
#define URL3 "https://%s@" AUTHTESTSERVER "/thredds/dodsC/test3/testData.nc"
/* Embedded user:pwd */
static char url1[1024];
/* user:pwd from RC*/
static char url2[1024];
/* Test redirect from different machine*/
#ifndef NOREDIR
static char url3[1024];
#endif
static int testrc(const char* prefix, const char* url);
static void fillrc(const char* path);
static void killrc();
int
main(int argc, char** argv)
{
int ncid,retval,pass;
const char* dfaltsvc;
const char* home;
fprintf(stderr,"Testing: Authorization\n");
dfaltsvc = nc_findtestserver("thredds",AUTHTESTSERVER);
if(dfaltsvc == NULL) {
fprintf(stderr,"WARNING: Cannot locate test server\n");
exit(0);
}
snprintf(url1,sizeof(url1),URL1,USERPWD,dfaltsvc); /* embedded */
snprintf(url2,sizeof(url2),URL2,dfaltsvc); /* using rc file */
#ifdef DEBUG
fprintf(stderr,"url1: %s\n",url1);
fprintf(stderr,"url2: %s\n",url2);
fflush(stderr);
#endif
pass = 1; /* assume success */
killrc();
fprintf(stderr,"Testing: Http Basic Authorization\n\n");
#ifndef NOEMBED
{
fprintf(stderr,"Testing: Embedded user:pwd: %s\n",url1);
retval = nc_open(url1, 0, &ncid);
if(retval != NC_NOERR) {
pass = 0;
fprintf(stderr,"*** FAIL: Testing embedded user:pwd\n");
} else {
fprintf(stderr,"*** PASS: Testing embedded user:pwd\n");
retval = nc_close(ncid);
}
fflush(stderr);
}
#endif
#ifndef NOLOCAL
{
/* Test 1: RC in ./ */
fprintf(stderr,"Testing: user:pwd in %s/%s\n",".",RC);
if(!testrc(".",url2)) {
fprintf(stderr,"user:pwd in %s/%s failed\n",".",RC);
exit(1);
}
}
#endif
#ifndef NOHOME
{
/* Test 1: RC in HOME */
home = getenv("HOME");
fprintf(stderr,"user:pwd in %s/%s\n",home,RC);
if(!testrc(home,url2)) {
fprintf(stderr,"user:pwd in %s/%s failed\n",home,RC);
exit(1);
}
}
#endif
#ifndef NOREDIR
{
fprintf(stderr,"Testing: Http Basic Redirect\n\n");
snprintf(url3,sizeof(url3),URL3,USERPWD);
fprintf(stderr,"Basic redirect: %s\n",url3);
retval = nc_open(url3, 0, &ncid);
if(retval != NC_NOERR) {
fprintf(stderr,"*** XFAIL: Basic redirect\n");
} else {
fprintf(stderr,"*** PASS: Basic redirect\n");
retval = nc_close(ncid);
}
fflush(stderr);
}
#endif
return !pass;
}
static int
testrc(const char* prefix, const char* url)
{
int pass = 1;
int retval;
int ncid;
char rcpath[8192];
FILE* rc;
snprintf(rcpath,sizeof(rcpath),"%s/%s",prefix,RC);
rc = NCfopen(rcpath,"w");
if(rc == NULL) {
fprintf(stderr,"Cannot create ./%s\n",RC);
exit(1);
}
fclose(rc);
fillrc(rcpath);
retval = nc_open(url, 0, &ncid);
if(retval != NC_NOERR) {
pass = 0;
fprintf(stderr,"*** FAIL: Testing: user:pwd in %s\n",rcpath);
} else {
retval = nc_close(ncid);
fprintf(stderr,"*** PASS: Testing: user:pwd in %s\n",rcpath);
}
fflush(stderr);
#ifndef KEEPRC
unlink(rcpath); /* delete the file */
#endif
return pass;
}
static void
fillrc(const char* path)
{
FILE* rc;
killrc();
rc = NCfopen(path,"w");
if(rc == NULL) {
fprintf(stderr,"cannot create rc file: %s\n",path);
exit(1);
}
#ifdef DEBUG
fprintf(rc,"HTTP.VERBOSE=1\n");
#endif
fprintf(rc,"HTTP.COOKIEJAR=%s\n",COOKIEFILE);
fprintf(rc,"HTTP.VALIDATE=1\n");
fprintf(rc,"HTTP.CREDENTIALS.USERPASSWORD=%s\n",USERPWD);
fclose(rc);
}
static void
killrc()
{
const char* home;
#ifdef KEEPRC
fprintf(stderr,"kill: ./%s\n",RC);
#else
char path[1024];
snprintf(path,sizeof(path),"%s/%s",".",RC);
unlink(path); /* delete the file */
#endif
home = getenv("HOME");
#ifdef KEEPRC
fprintf(stderr,"kill: %s/%s\n",home,RC);
#else
snprintf(path,sizeof(path),"%s/%s",home,RC);
unlink(path);
#endif
}