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Commit c4a1bdad authored by Uwe Schulzweida's avatar Uwe Schulzweida
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cdfGetAttText: limit length to attlen

parent cc4bde8f
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src/stream_cdf.c
View file @ c4a1bdad
......@@ -417,9 +417,9 @@ void cdfGetAttText(int fileID, int ncvarid, char *attname, int attlen, char *att
{
cdf_get_att_text(fileID, ncvarid, attname, attbuf);
attbuf[nc_attlen++] = 0;
if ( (int) nc_attlen > (attlen-1) ) nc_attlen = (size_t)(attlen-1);
if ( (int) nc_attlen > attlen ) nc_attlen = (size_t)attlen;
attbuf[nc_attlen++] = 0;
memcpy(atttext, attbuf, nc_attlen);
}
else
......@@ -5087,13 +5087,13 @@ void cdfScanVarAttributes(int nvars, ncvar_t *ncvars, ncdim_t *ncdims,
}
else if ( strcmp(attname, "trunc_type") == 0 && xtypeIsText(atttype) )
{
cdfGetAttText(ncid, ncvarid, attname, attstringlen-1, attstring);
cdfGetAttText(ncid, ncvarid, attname, attstringlen, attstring);
if ( memcmp(attstring, "Triangular", attlen) == 0 )
ncvars[ncvarid].gridtype = GRID_SPECTRAL;
}
else if ( strcmp(attname, "grid_type") == 0 && xtypeIsText(atttype) )
{
cdfGetAttText(ncid, ncvarid, attname, attstringlen-1, attstring);
cdfGetAttText(ncid, ncvarid, attname, attstringlen, attstring);
strtolower(attstring);
if ( strcmp(attstring, "gaussian reduced") == 0 )
......@@ -5136,7 +5136,7 @@ void cdfScanVarAttributes(int nvars, ncvar_t *ncvars, ncdim_t *ncdims,
}
else if ( strcmp(attname, "level_type") == 0 && xtypeIsText(atttype) )
{
cdfGetAttText(ncid, ncvarid, attname, attstringlen-1, attstring);
cdfGetAttText(ncid, ncvarid, attname, attstringlen, attstring);
strtolower(attstring);
if ( strcmp(attstring, "toa") == 0 )
......@@ -5209,7 +5209,7 @@ void cdfScanVarAttributes(int nvars, ncvar_t *ncvars, ncdim_t *ncdims,
{
int status, ncboundsid;
cdfGetAttText(ncid, ncvarid, attname, attstringlen-1, attstring);
cdfGetAttText(ncid, ncvarid, attname, attstringlen, attstring);
status = nc_inq_varid(ncid, attstring, &ncboundsid);
......@@ -5227,7 +5227,7 @@ void cdfScanVarAttributes(int nvars, ncvar_t *ncvars, ncdim_t *ncdims,
{
int status, ncboundsid;
cdfGetAttText(ncid, ncvarid, attname, attstringlen-1, attstring);
cdfGetAttText(ncid, ncvarid, attname, attstringlen, attstring);
status = nc_inq_varid(ncid, attstring, &ncboundsid);
......@@ -5244,7 +5244,7 @@ void cdfScanVarAttributes(int nvars, ncvar_t *ncvars, ncdim_t *ncdims,
{
char *pstring, *cell_measures = NULL, *cell_var = NULL;
cdfGetAttText(ncid, ncvarid, attname, attstringlen-1, attstring);
cdfGetAttText(ncid, ncvarid, attname, attstringlen, attstring);
pstring = attstring;
while ( isspace((int) *pstring) ) pstring++;
......@@ -5285,7 +5285,7 @@ void cdfScanVarAttributes(int nvars, ncvar_t *ncvars, ncdim_t *ncdims,
{
char *pstring, *xvarname = NULL, *yvarname = NULL;
cdfGetAttText(ncid, ncvarid, attname, attstringlen-1, attstring);
cdfGetAttText(ncid, ncvarid, attname, attstringlen, attstring);
pstring = attstring;
while ( isspace((int) *pstring) ) pstring++;
......@@ -5313,7 +5313,7 @@ void cdfScanVarAttributes(int nvars, ncvar_t *ncvars, ncdim_t *ncdims,
int dimvarid;
extern int cdiIgnoreAttCoordinates;
cdfGetAttText(ncid, ncvarid, attname, attstringlen-1, attstring);
cdfGetAttText(ncid, ncvarid, attname, attstringlen, attstring);
pstring = attstring;
for ( i = 0; i < MAX_COORDVARS; i++ )
......@@ -5351,7 +5351,7 @@ void cdfScanVarAttributes(int nvars, ncvar_t *ncvars, ncdim_t *ncdims,
int dimvarid;
extern int cdiIgnoreAttCoordinates;
cdfGetAttText(ncid, ncvarid, attname, attstringlen-1, attstring);
cdfGetAttText(ncid, ncvarid, attname, attstringlen, attstring);
pstring = attstring;
for ( i = 0; i < MAX_AUXVARS; i++ )
......@@ -5386,7 +5386,7 @@ void cdfScanVarAttributes(int nvars, ncvar_t *ncvars, ncdim_t *ncdims,
int status;
int nc_gmap_id;
cdfGetAttText(ncid, ncvarid, attname, attstringlen-1, attstring);
cdfGetAttText(ncid, ncvarid, attname, attstringlen, attstring);
status = nc_inq_varid(ncid, attstring, &nc_gmap_id);
if ( status == NC_NOERR )
......@@ -5401,7 +5401,7 @@ void cdfScanVarAttributes(int nvars, ncvar_t *ncvars, ncdim_t *ncdims,
}
else if ( strcmp(attname, "positive") == 0 && xtypeIsText(atttype) )
{
cdfGetAttText(ncid, ncvarid, attname, attstringlen-1, attstring);
cdfGetAttText(ncid, ncvarid, attname, attstringlen, attstring);
strtolower(attstring);
if ( memcmp(attstring, "down", 4) == 0 ) ncvars[ncvarid].positive = POSITIVE_DOWN;
......@@ -5485,7 +5485,7 @@ void cdfScanVarAttributes(int nvars, ncvar_t *ncvars, ncdim_t *ncdims,
}
else if ( strcmp(attname, "_Unsigned") == 0 && xtypeIsText(atttype) )
{
cdfGetAttText(ncid, ncvarid, attname, attstringlen-1, attstring);
cdfGetAttText(ncid, ncvarid, attname, attstringlen, attstring);
strtolower(attstring);
if ( memcmp(attstring, "true", 4) == 0 )
......@@ -5501,7 +5501,7 @@ void cdfScanVarAttributes(int nvars, ncvar_t *ncvars, ncdim_t *ncdims,
}
else if ( strcmp(attname, "cdi") == 0 && xtypeIsText(atttype) )
{
cdfGetAttText(ncid, ncvarid, attname, attstringlen-1, attstring);
cdfGetAttText(ncid, ncvarid, attname, attstringlen, attstring);
strtolower(attstring);
if ( memcmp(attstring, "ignore", 6) == 0 )
......@@ -5512,7 +5512,7 @@ void cdfScanVarAttributes(int nvars, ncvar_t *ncvars, ncdim_t *ncdims,
}
else if ( strcmp(attname, "axis") == 0 && xtypeIsText(atttype) )
{
cdfGetAttText(ncid, ncvarid, attname, attstringlen-1, attstring);
cdfGetAttText(ncid, ncvarid, attname, attstringlen, attstring);
attlen = strlen(attstring);
if ( (int) attlen > nvdims )
......@@ -5624,7 +5624,7 @@ void cdfScanVarAttributes(int nvars, ncvar_t *ncvars, ncdim_t *ncdims,
}
else if ( attrtype == NC_CHAR )
{
cdfGetAttText(ncid, ncvarid, attname, attstringlen-1, attstring);
cdfGetAttText(ncid, ncvarid, attname, attstringlen, attstring);
attstring[attlen] = 0;
printf("txt: %s.%s = %s\n", ncvars[ncvarid].name, attname, attstring);
}
......@@ -6414,7 +6414,7 @@ void define_all_grids(stream_t *streamptr, int vlistID, ncdim_t *ncdims, int nva
};
char attstring[attstringlen];
cdfGetAttText(ncvars[ncvarid].ncid, ncvars[ncvarid].gmapid, attname, attstringlen-1, attstring);
cdfGetAttText(ncvars[ncvarid].ncid, ncvars[ncvarid].gmapid, attname, attstringlen, attstring);
strtolower(attstring);
if ( strcmp(attstring, "rotated_latitude_longitude") == 0 )
......@@ -7010,7 +7010,7 @@ void define_all_vars(stream_t *streamptr, int vlistID, int instID, int modelID,
}
else if ( xtypeIsText(attrtype) )
{
cdfGetAttText(ncid, ncvarid, attname, attstringlen-1, attstring);
cdfGetAttText(ncid, ncvarid, attname, attstringlen, attstring);
vlistDefAttTxt(vlistID, varID, attname, (int)attlen, attstring);
}
else
......@@ -7108,9 +7108,7 @@ void scan_global_attributes(int fileID, int vlistID, stream_t *streamptr, int ng
nc_type xtype;
size_t attlen;
char attname[CDI_MAX_NAME];
enum {
attstringlen = 8192,
};
enum { attstringlen = 65636 };
char attstring[attstringlen];
int iatt;
......@@ -7122,7 +7120,7 @@ void scan_global_attributes(int fileID, int vlistID, stream_t *streamptr, int ng
if ( xtypeIsText(xtype) )
{
cdfGetAttText(fileID, NC_GLOBAL, attname, attstringlen-1, attstring);
cdfGetAttText(fileID, NC_GLOBAL, attname, attstringlen, attstring);
size_t attstrlen = strlen(attstring);
......@@ -7790,7 +7788,7 @@ int cdfInqContents(stream_t *streamptr)
};
char attstring[attstringlen];
cdfGetAttText(fileID, ncvarid, "calendar", attstringlen-1, attstring);
cdfGetAttText(fileID, ncvarid, "calendar", attstringlen, attstring);
strtolower(attstring);
if ( memcmp(attstring, "standard", 8) == 0 ||
......
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