Sanitize requesting-user-name as needed (Issue #1145)

michaelrsweet · michaelrsweet · commit f0c25a56e8f8 · 2025-05-14T12:22:44.000-04:00
diff --git a/backend/ipp.c b/backend/ipp.c
@@ -1552,6 +1552,8 @@ main(int  argc,				/* I - Number of command-line args */
       char	*argptr = argv[2],	/* Pointer into local username */
 		*userptr = username;	/* Pointer into requesting-user-name value */
 
+      fputs("DEBUG: Trying sanitized requesting-user-name value.\n", stderr);
+
       while (*argptr && userptr < (username + sizeof(username) - 1))
       {
         if (isalnum(*argptr & 255))

Original file line number	Diff line number	Diff line change
`@@ -1552,6 +1552,8 @@ main(int argc, /* I - Number of command-line args */`
`1552`	`1552`	`char argptr = argv[2], / Pointer into local username */`
`1553`	`1553`	`userptr = username; / Pointer into requesting-user-name value */`
`1554`	`1554`
	`1555`	`+ fputs("DEBUG: Trying sanitized requesting-user-name value.\n", stderr);`
	`1556`	`+`
`1555`	`1557`	`while (*argptr && userptr < (username + sizeof(username) - 1))`
`1556`	`1558`	`{`
`1557`	`1559`	`if (isalnum(*argptr & 255))`