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authorHerbert Xu <herbert@gondor.apana.org.au>2018-03-26 17:50:24 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2018-04-19 18:19:28 +0800
commit6900ff60ef7347a8c1445853a8f4689808e0976e (patch)
tree8078403d5e3f26ac8e593eaa79d9812b4df7dd3d
parentexpand: Fix buffer overflow in expandmeta (diff)
downloaddash-6900ff60ef7347a8c1445853a8f4689808e0976e.tar.gz
dash-6900ff60ef7347a8c1445853a8f4689808e0976e.zip
expand: Fix glibc glob(3) support
It's been a while since we disabled glob(3) support by default.
It appears to be working now, however, we have to change our
code to detect the no-match case correctly.

In particular, we need to test for GLOB_NOMAGIC | GLOB_NOCHECK
instead of GLOB_MAGCHAR.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to '')
-rw-r--r--src/expand.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/expand.c b/src/expand.c
index 30288db..ee077a7 100644
--- a/src/expand.c
+++ b/src/expand.c
@@ -1205,7 +1205,8 @@ expandmeta(str, flag)
 			ckfree(p);
 		switch (i) {
 		case 0:
-			if (!(pglob.gl_flags & GLOB_MAGCHAR))
+			if ((pglob.gl_flags & (GLOB_NOMAGIC | GLOB_NOCHECK)) ==
+			    (GLOB_NOMAGIC | GLOB_NOCHECK))
 				goto nometa2;
 			addglob(&pglob);
 			globfree(&pglob);