src/usr.bin/ssh/sshbuf.h - diff

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Diff for /src/usr.bin/ssh/sshbuf.h between version 1.14 and 1.15

-version 1.14, 2019/07/14 23:32:27
+version 1.15, 2019/07/15 13:11:38
 Line 249
 Line 249
 Line 249
  int     sshbuf_b64tod(struct sshbuf *buf, const char *b64);
  /*
+  * Tests whether the buffer contains the specified byte sequence at the
+  * specified offset. Returns 0 on successful match, or a ssherr.h code
+  * otherwise. SSH_ERR_INVALID_FORMAT indicates sufficient bytes were
+  * present but the buffer contents did not match those supplied. Zero-
+  * length comparisons are not allowed.
+  *
+  * If sufficient data is present to make a comparison, then it is
+  * performed with timing independent of the value of the data. If
+  * insufficient data is present then the comparison is not attempted at
+  * all.
+  */
+ int     sshbuf_cmp(const struct sshbuf *b, size_t offset,
+     const u_char *s, size_t len);
+ /*
+  * Searches the buffer for the specified string. Returns 0 on success
+  * and updates *offsetp with the offset of the first match, relative to
+  * the start of the buffer. Otherwise sshbuf_find will return a ssherr.h
+  * error code. SSH_ERR_INVALID_FORMAT indicates sufficient bytes were
+  * present in the buffer for a match to be possible but none was found.
+  * Searches for zero-length data are not allowed.
+  */
+ int
+ sshbuf_find(const struct sshbuf *b, size_t start_offset,
+     const u_char *s, size_t len, size_t *offsetp);
+ /*
   * Duplicate the contents of a buffer to a string (caller to free).
   * Returns NULL on buffer error, or if the buffer contains a premature
   * nul character.