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@@ -199,6 +199,7 @@ extern void blob_nest_end(struct blob_buf *buf, void *cookie);
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extern struct blob_attr *blob_put(struct blob_buf *buf, int id, const void *ptr, unsigned int len);
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extern bool blob_check_type(const void *ptr, unsigned int len, int type);
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extern int blob_parse(struct blob_attr *attr, struct blob_attr **data, const struct blob_attr_info *info, int max);
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+extern int blob_parse_untrusted(struct blob_attr *attr, size_t attr_len, struct blob_attr **data, const struct blob_attr_info *info, int max);
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extern struct blob_attr *blob_memdup(struct blob_attr *attr);
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extern struct blob_attr *blob_put_raw(struct blob_buf *buf, const void *ptr, unsigned int len);
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@@ -254,5 +255,11 @@ blob_put_u64(struct blob_buf *buf, int id, uint64_t val)
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(blob_pad_len(pos) >= sizeof(struct blob_attr)); \
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rem -= blob_pad_len(pos), pos = blob_next(pos))
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+#define blob_for_each_attr_len(pos, attr, attr_len, rem) \
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+ for (rem = attr ? blob_len(attr) : 0, \
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+ pos = (struct blob_attr *) (attr ? blob_data(attr) : NULL); \
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+ rem >= sizeof(struct blob_attr) && rem < attr_len && (blob_pad_len(pos) <= rem) && \
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+ (blob_pad_len(pos) >= sizeof(struct blob_attr)); \
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+ rem -= blob_pad_len(pos), pos = blob_next(pos))
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#endif
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