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

alejandro-colomar · ikerexxe · commit bce404a7a831 · 2026-01-23T16:42:06.000+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
@@ -31,9 +31,7 @@ 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.
+ * is_valid_hash - check if the string is 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
`@@ -31,9 +31,7 @@ match_regex(const char pattern, const char string)`
`31`	`31`
`32`	`32`
`33`	`33`	`/*`
`34`		`- * is_valid_hash - check if the given string is a valid password hash`
`35`		`- *`
`36`		`- * Returns true if the string appears to be a valid hash, false otherwise.`
	`34`	`+ * is_valid_hash - check if the string is a valid shadow(5) 2nd field.`
`37`	`35`	`*`
`38`	`36`	`* regex from: https://man.archlinux.org/man/crypt.5.en`
`39`	`37`	`*/`