[PATCH] ucert: Add patch to workaround short read
Mike McCormack
mike at atratus.org
Sat Aug 18 02:04:57 EDT 2018
usign occasionally writes 16 characters then exits without writing a LF,
leaving ucert hanging waiting for more input. Accept 16 characters
or more rather than 17 to work around the short read.
Signed-off-by: Mike McCormack <mike at atratus.org>
---
package/system/ucert/patches/0001-Fix-cert-length.patch | 15 +++++++++++++++
1 file changed, 15 insertions(+)
create mode 100644 package/system/ucert/patches/0001-Fix-cert-length.patch
diff --git a/package/system/ucert/patches/0001-Fix-cert-length.patch b/package/system/ucert/patches/0001-Fix-cert-length.patch
new file mode 100644
index 0000000000..8ccf4561fb
--- /dev/null
+++ b/package/system/ucert/patches/0001-Fix-cert-length.patch
@@ -0,0 +1,15 @@
+--- a/usign-exec.c 2018-08-09 03:48:11.000000000 +1000
++++ b/usign-exec.c 2018-08-18 16:03:41.393546235 +1000
+@@ -156,9 +156,10 @@
+ waitpid(pid, &status, 0);
+ status = WEXITSTATUS(status);
+ if (fingerprint && !WEXITSTATUS(status)) {
++ ssize_t r;
+ memset(fingerprint, 0, 17);
+- read(fds[0], fingerprint, 17);
+- if (fingerprint[16] != '\n')
++ r = read(fds[0], fingerprint, 17);
++ if (r < 16)
+ status = -1;
+
+ fingerprint[16] = '\0';
--
2.11.0
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