From c2eff9bbe3a30f705e16363a581c0f45bf51c948 Mon Sep 17 00:00:00 2001
From: Daniel Dickinson <openwrt@cshore.thecshore.com>
Date: Sat, 13 Aug 2016 19:32:21 -0400
Subject: network/services/uhttpd: Add Basic Auth config

We add an 'httpauth' section type that contains the options:

prefix: What virtual or real URL is being protected
username: The username for the Basic Auth dialogue
password: Hashed (crypt()) or plaintext password for the Basic Auth dialogue

httpauth section names are given included as list
items to the instances to which they are to be applied.

Further any existing httpd.conf file (really whatever
is configured in the instance, but default of
/etc/httpd.conf) is appended to the per-instance httpd.conf

Signed-off-by: Daniel Dickinson <openwrt@cshore.thecshore.com>
---
 .../network/services/uhttpd/files/uhttpd.config    | 10 ++++++++
 package/network/services/uhttpd/files/uhttpd.init  | 29 +++++++++++++++++++++-
 2 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/package/network/services/uhttpd/files/uhttpd.config b/package/network/services/uhttpd/files/uhttpd.config
index e14b9fefd7..bdc0675099 100644
--- a/package/network/services/uhttpd/files/uhttpd.config
+++ b/package/network/services/uhttpd/files/uhttpd.config
@@ -103,6 +103,11 @@ config uhttpd main
 	# except for development and debug purposes!
 #	option no_ubusauth	0
 
+	# For this instance of uhttpd use the listed httpauth
+	# sections to require Basic auth to the specified
+	# resources.
+#	list httpauth prefix_user
+
 
 # Certificate defaults for px5g key generator
 config cert px5g
@@ -120,3 +125,8 @@ config cert px5g
 
 	# Common name
 	option commonname	OpenWrt
+
+# config httpauth prefix_user
+#	option prefix /protected/url/path
+#	option username user
+#	option password 'plaintext_or_md5_or_$p$user_for_system_user'
\ No newline at end of file
diff --git a/package/network/services/uhttpd/files/uhttpd.init b/package/network/services/uhttpd/files/uhttpd.init
index 4ca6c8d626..d411d2aaf5 100755
--- a/package/network/services/uhttpd/files/uhttpd.init
+++ b/package/network/services/uhttpd/files/uhttpd.init
@@ -53,6 +53,21 @@ generate_keys() {
 	}
 }
 
+create_httpauth() {
+	local cfg="$1"
+	local prefix username password
+
+	config_get prefix "$cfg" prefix
+	config_get username "$cfg" username
+	config_get password "$cfg" password
+
+	if [ -z "$prefix" ] || [ -z "$username" ] || [ -z "$password" ]; then
+		return
+	fi
+	echo "${prefix}:${username}:${password}" >>$httpdconf
+	haveauth=1
+}
+
 start_instance()
 {
 	UHTTPD_CERT=""
@@ -60,13 +75,25 @@ start_instance()
 
 	local cfg="$1"
 	local realm="$(uci_get system.@system[0].hostname)"
-	local listen http https interpreter indexes path handler
+	local listen http https interpreter indexes path handler httpdconf haveauth
 
 	procd_open_instance
 	procd_set_param respawn
 	procd_set_param stderr 1
 	procd_set_param command "$UHTTPD_BIN" -f
 
+	config_get config "$cfg" config
+	if [ -z "$config" ]; then
+		mkdir -p /var/etc/uhttpd
+		httpdconf="/var/etc/uhttpd/httpd.${cfg}.conf"
+		rm -f ${httpdconf}
+		config_list_foreach "$cfg" httpauth create_httpauth
+		if [ "$haveauth" = "1" ]; then
+			procd_append_param command -c ${httpdconf}
+			[ -r /etc/httpd.conf ] && cat /etc/httpd.conf >>/var/etc/uhttpd/httpd.${cfg}.conf
+		fi
+	fi
+
 	append_arg "$cfg" home "-h"
 	append_arg "$cfg" realm "-r" "${realm:-OpenWrt}"
 	append_arg "$cfg" config "-c"
-- 
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