case STATE_BITPIX:
CHECK_KEYWORD("BITPIX");
CHECK_VALUE("BITPIX", bitpix);
+
+ switch(header->bitpix) {
+ case 8:
+ case 16:
+ case 32: case -32:
+ case 64: case -64: break;
+ default:
+ av_log(avcl, AV_LOG_ERROR, "invalid value of BITPIX %d\n", header->bitpix); \
+ return AVERROR_INVALIDDATA;
+ }
+
dict_set_if_not_null(metadata, keyword, value);
header->state = STATE_NAXIS;
header->blank = t;
header->blank_found = 1;
} else if (!strcmp(keyword, "BSCALE") && sscanf(value, "%lf", &d) == 1) {
+ if (d <= 0)
+ return AVERROR_INVALIDDATA;
header->bscale = d;
} else if (!strcmp(keyword, "BZERO") && sscanf(value, "%lf", &d) == 1) {
header->bzero = d;
} else if (!strcmp(keyword, "GROUPS") && sscanf(value, "%c", &c) == 1) {
header->groups = (c == 'T');
} else if (!strcmp(keyword, "GCOUNT") && sscanf(value, "%"SCNd64"", &t) == 1) {
+ if (t < 0 || t > INT_MAX)
+ return AVERROR_INVALIDDATA;
header->gcount = t;
} else if (!strcmp(keyword, "PCOUNT") && sscanf(value, "%"SCNd64"", &t) == 1) {
+ if (t < 0 || t > INT_MAX)
+ return AVERROR_INVALIDDATA;
header->pcount = t;
}
dict_set_if_not_null(metadata, keyword, value);