*
* MIME typing routines for CUPS.
*
- * Copyright 2007-2012 by Apple Inc.
+ * Copyright 2007-2013 by Apple Inc.
* Copyright 1997-2006 by Easy Software Products, all rights reserved.
*
* These coded instructions, statements, and computer programs are the
op = MIME_MAGIC_ASCII;
else if (!strcmp(name, "printable"))
op = MIME_MAGIC_PRINTABLE;
+ else if (!strcmp(name, "regex"))
+ op = MIME_MAGIC_REGEX;
else if (!strcmp(name, "string"))
op = MIME_MAGIC_STRING;
else if (!strcmp(name, "istring"))
if (temp->length > MIME_MAX_BUFFER)
temp->length = MIME_MAX_BUFFER;
break;
+ case MIME_MAGIC_REGEX :
+ temp->offset = strtol(value[0], NULL, 0);
+ temp->length = MIME_MAX_BUFFER;
+ if (regcomp(&(temp->value.rev), value[1], REG_NOSUB | REG_EXTENDED))
+ return (-1);
+ break;
case MIME_MAGIC_STRING :
case MIME_MAGIC_ISTRING :
temp->offset = strtol(value[0], NULL, 0);
result = (n == 0);
break;
+ case MIME_MAGIC_REGEX :
+ DEBUG_printf(("5mime_check_rules: regex(%d, \"%s\")", rules->offset,
+ rules->value.stringv));
+
+ /*
+ * Load the buffer if necessary...
+ */
+
+ if (fb->offset < 0 || rules->offset < fb->offset ||
+ (rules->offset + rules->length) > (fb->offset + fb->length))
+ {
+ /*
+ * Reload file buffer...
+ */
+
+ cupsFileSeek(fb->fp, rules->offset);
+ fb->length = cupsFileRead(fb->fp, (char *)fb->buffer,
+ sizeof(fb->buffer));
+ fb->offset = rules->offset;
+
+ DEBUG_printf(("5mime_check_rules: loaded %d byte fb->buffer at %d, starts "
+ "with \"%c%c%c%c\".",
+ fb->length, fb->offset, fb->buffer[0], fb->buffer[1],
+ fb->buffer[2], fb->buffer[3]));
+ }
+
+ /*
+ * Compare the buffer against the string. If the file is too
+ * short then don't compare - it can't match...
+ */
+
+ {
+ char temp[MIME_MAX_BUFFER + 1];
+ /* Temporary buffer */
+
+ memcpy(temp, fb->buffer, fb->length);
+ temp[fb->length] = '\0';
+ result = !regexec(&(rules->value.rev), temp, 0, NULL, 0);
+ }
+
+ DEBUG_printf(("5mime_check_rules: result=%d", result));
+ break;
+
case MIME_MAGIC_STRING :
DEBUG_printf(("5mime_check_rules: string(%d, \"%s\")", rules->offset,
rules->value.stringv));