From: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Date: Sat, 3 Jun 2006 19:08:49 +0000 (-0000)
Subject: - patch from Yann E. Morin: makes modprobe understand shell patterns
X-Git-Tag: 1_2_0~227
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=2c351a8f9875a4b597641bc4c0da76db485fe184;p=oweals%2Fbusybox.git

- patch from Yann E. Morin: makes modprobe understand shell patterns
  (especially '*') in module aliases, such as:
  "alias usb:v0582p0075d*dc*dsc*dp*ic*isc*ip* snd_usb_audio"

Fixes bug #889

 842162	  10244	 645924	1498330	 16dcda	busybox.old-4.1.20060603-1948
 842178	  10244	 645924	1498346	 16dcea	busybox.new-4.1.20060603-1948
---

diff --git a/modutils/modprobe.c b/modutils/modprobe.c
index 59c06ee1e..44460391a 100644
--- a/modutils/modprobe.c
+++ b/modutils/modprobe.c
@@ -21,6 +21,7 @@
 #include <string.h>
 #include <ctype.h>
 #include <fcntl.h>
+#include <fnmatch.h>
 #include "busybox.h"
 
 struct mod_opt_t {	/* one-way list of options to pass to a module */
@@ -721,9 +722,13 @@ static void check_dep ( char *mod, struct mod_list_t **head, struct mod_list_t *
 	struct mod_opt_t *opt = 0;
 	char *path = 0;
 
-	// check dependencies
+	/* Search for the given module name amongst all dependency rules.
+	 * The module name in a dependency rule can be a shell pattern,
+	 * so try to match the given module name against such a pattern.
+	 * Of course if the name in the dependency rule is a plain string,
+	 * then we consider it a pattern, and matching will still work. */
 	for ( dt = depend; dt; dt = dt-> m_next ) {
-		if ( strcmp ( dt-> m_name, mod ) == 0) {
+		if ( fnmatch ( dt-> m_name, mod, 0 ) == 0) {
 			break;
 		}
 	}