lib/chkhash.c: is_valid_hash(): Update comment

alejandro-colomar · alejandro-colomar · commit 7e60f6d89694 · 2026-01-15T01:17:50.000+01:00
This checks the entire shadow(5) 2nd field, which is more than just
a hash.

Reported-by: Tobias Stoeckmann &lt;tobias@stoeckmann.org&gt;
Signed-off-by: Alejandro Colomar &lt;alx@kernel.org&gt;
diff --git a/lib/chkhash.c b/lib/chkhash.c
@@ -33,7 +33,7 @@ match_regex(const char *pattern, const char *string)
 /*
  * is_valid_hash - check if the given string is a valid password hash
  *
- * Returns true if the string appears to be a valid hash, false otherwise.
+ * Returns true if the string appears to be a valid shadow(5) 2nd field.
  *
  * regex from: https://man.archlinux.org/man/crypt.5.en
  */

Original file line number	Diff line number	Diff line change
`@@ -33,7 +33,7 @@ match_regex(const char pattern, const char string)`
`33`	`33`	`/*`
`34`	`34`	`* is_valid_hash - check if the given string is a valid password hash`
`35`	`35`	`*`
`36`		`- * Returns true if the string appears to be a valid hash, false otherwise.`
	`36`	`+ * Returns true if the string appears to be a valid shadow(5) 2nd field.`
`37`	`37`	`*`
`38`	`38`	`* regex from: https://man.archlinux.org/man/crypt.5.en`
`39`	`39`	`*/`