Patch from upstream, will be included in dhcpcd-6.9.4 when released

http://roy.marples.name/projects/dhcpcd/vpatch?from=d8f8999d1efb4376c29d7d2c13b0de1c6da52226&to=90e878f68804cb98e03e90b33233e607e6541358
---
 main/dhcpcd/describe_dhcp6_error_code.patch | 77 +++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 main/dhcpcd/describe_dhcp6_error_code.patch

diff --git a/main/dhcpcd/describe_dhcp6_error_code.patch b/main/dhcpcd/describe_dhcp6_error_code.patch
new file mode 100644
index 0000000..cd72206
--- /dev/null
+++ b/main/dhcpcd/describe_dhcp6_error_code.patch
@@ -0,0 +1,77 @@
+--- ./dhcp6.c
++++ ./dhcp6.c
+@@ -111,11 +111,12 @@
+ 	"Success",
+ 	"Unspecified Failure",
+ 	"No Addresses Available",
+ 	"No Binding",
+ 	"Not On Link",
+-	"Use Multicast"
++	"Use Multicast",
++	"No Prefix Available"
+ };
+ 
+ struct dhcp6_ia_addr {
+ 	struct in6_addr addr;
+ 	uint32_t pltime;
+@@ -1660,11 +1661,12 @@
+ dhcp6_checkstatusok(const struct interface *ifp,
+     const struct dhcp6_message *m, const uint8_t *p, size_t len)
+ {
+ 	const struct dhcp6_option *o;
+ 	uint16_t code;
+-	char *status;
++	char buf[32], *sbuf;
++	const char *status;
+ 
+ 	if (p)
+ 		o = dhcp6_findoption(D6_OPTION_STATUS_CODE, p, len);
+ 	else
+ 		o = dhcp6_getmoption(D6_OPTION_STATUS_CODE, m, len);
+@@ -1686,28 +1688,29 @@
+ 		return 1;
+ 
+ 	len -= sizeof(code);
+ 
+ 	if (len == 0) {
+-		if (code < sizeof(dhcp6_statuses) / sizeof(char *)) {
+-			p = (const uint8_t *)dhcp6_statuses[code];
+-			len = strlen((const char *)p);
+-		} else
+-			p = NULL;
+-	} else
+-		p += sizeof(code);
++		sbuf = NULL;
++		if (code < sizeof(dhcp6_statuses) / sizeof(char *))
++			status = dhcp6_statuses[code];
++		else {
++			snprintf(buf, sizeof(buf), "Unknown Status (%d)", code);
++			status = buf;
++		}
++	} else {
++		if ((sbuf = malloc(len + 1)) == NULL) {
++			logger(ifp->ctx, LOG_ERR, "%s: %m", __func__);
++			return -1;
++		}
++		memcpy(sbuf, p + sizeof(code), len);
++		sbuf[len] = '\0';
++		status = sbuf;
++	}
+ 
+-	status = malloc(len + 1);
+-	if (status == NULL) {
+-		logger(ifp->ctx, LOG_ERR, "%s: %m", __func__);
+-		return -1;
+-	}
+-	if (p)
+-		memcpy(status, p, len);
+-	status[len] = '\0';
+ 	logger(ifp->ctx, LOG_ERR, "%s: DHCPv6 REPLY: %s", ifp->name, status);
+-	free(status);
++	free(sbuf);
+ 	return -1;
+ }
+ 
+ const struct ipv6_addr *
+ dhcp6_iffindaddr(const struct interface *ifp, const struct in6_addr *addr,
+
-- 
2.4.1



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