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4db4393e69
strlcat provides better protection against buffer overflows. Code is taken from the FreeBSD project source code. Specifically: https://github.com/freebsd/freebsd/blob/master/lib/libc/string/strlcat.c License appears to be acceptable, but needs to be checked by e.g. Debian. Step 1: 1. Add to netcdf-c/include/ncconfigure.h to use our version if not already available as determined by HAVE_STRLCAT in config.h. 2. Add the strlcat code to libdispatch/dstring.c 3. Turns out that strlcat was already defined in several places. So remove it from: ncgen3/genlib.c ncdump/dumplib.c 3. Define strlcat extern definition in ncconfigure.h. 4. Modify following directories to use strlcat: libdap2 libdap4 ncdap_test dap4_test Will do others in subsequent steps.
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/*********************************************************************
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* Copyright 2016, UCAR/Unidata
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* See netcdf/COPYRIGHT file for copying and redistribution conditions.
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*********************************************************************/
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/**
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Test the netcdf-4 data building process.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include "netcdf.h"
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static void
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fail(int code)
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{
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if(code != NC_NOERR)
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fprintf(stderr,"***Fail: %s\n",nc_strerror(code));
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exit((code==NC_NOERR?EXIT_SUCCESS:EXIT_FAILURE));
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}
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int
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main(int argc, char** argv)
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{
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int ret = NC_NOERR;
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char url[4096];
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int ncid;
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/* Skip cmd name */
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argc++;
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argv++;
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if(argc < 2) {
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fprintf(stderr, "too few arguments: t_dmrdata.c <infile> <outfile>\n");
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fail(NC_NOERR);
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}
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/* build the url */
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snprintf(url,sizeof(url),"file://%s#dap4&debug=copy&substratename=%s",argv[0],argv[1]);
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#ifdef DEBUG
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fprintf(stderr,"t_dmrbuild %s -> %s\n",url,outfile);
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#endif
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/* Use the open/close mechanism */
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if((ret=nc_open(url,NC_NETCDF4,&ncid))) goto done;
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if((ret=nc_close(ncid))) goto done;
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done:
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#ifdef DEBUG
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fprintf(stderr,"code=%d %s\n",ret,nc_strerror(ret));
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#endif
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return (ret ? 1 : 0);
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}
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