From bf86dcdcd68677a8c4b7c8193388c529a55a3503 Mon Sep 17 00:00:00 2001
From: Michael Wallner <mike@php.net>
Date: Tue, 7 Feb 2006 16:04:03 +0000
Subject: [PATCH] - use gethostname() if available in http_build_url()

---
 config.m4      |  4 ++--
 http_url_api.c | 30 +++++++++++++++++++++++++++++-
 php_http.h     |  3 +++
 3 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/config.m4 b/config.m4
index f8ae079..ca4f3d5 100644
--- a/config.m4
+++ b/config.m4
@@ -32,9 +32,9 @@ if test "$PHP_HTTP" != "no"; then
 	])
 
 dnl -------
-dnl NETDB.H
+dnl HEADERS
 dnl -------
-	AC_CHECK_HEADERS([netdb.h])
+	AC_CHECK_HEADERS([netdb.h unistd.h])
 
 dnl ----
 dnl ZLIB
diff --git a/http_url_api.c b/http_url_api.c
index 01a2e41..5b618a3 100644
--- a/http_url_api.c
+++ b/http_url_api.c
@@ -23,6 +23,32 @@
 #include "php_http_api.h"
 #include "php_http_url_api.h"
 
+static inline char *localhostname(void)
+{
+	char hostname[1024] = {0};
+	
+#ifdef PHP_WIN32
+	if (SUCCESS == gethostname(hostname, lenof(hostname))) {
+		return estrdup(hostname);
+	}
+#elif defined(HAVE_UNISTD_H)
+	if (SUCCESS == gethostname(hostname, lenof(hostname))) {
+		size_t hlen = strlen(hostname);
+		
+		if (hlen <= lenof(hostname) - lenof("(none)")) {
+			hostname[hlen++] = '.';
+			if (SUCCESS == getdomainname(&hostname[hlen], lenof(hostname) - hlen)) {
+				if (!strcmp(&hostname[hlen], "(none)")) {
+					hostname[hlen - 1] = '\0';
+				}
+				return estrdup(hostname);
+			}
+		}
+	}
+#endif
+	return estrdup("localhost");
+}
+
 PHP_MINIT_FUNCTION(http_url)
 {
 	HTTP_LONG_CONSTANT("HTTP_URL_REPLACE", HTTP_URL_REPLACE);
@@ -144,7 +170,7 @@ PHP_HTTP_API void _http_build_url(int flags, const php_url *old_url, const php_u
 				(zhost = http_get_server_var("SERVER_NAME")))) && Z_STRLEN_P(zhost)) {
 			url->host = estrndup(Z_STRVAL_P(zhost), Z_STRLEN_P(zhost));
 		} else {
-			url->host = estrndup("localhost", lenof("localhost"));
+			url->host = localhostname();
 		}
 	}
 	
@@ -341,6 +367,7 @@ PHP_HTTP_API STATUS _http_urlencode_hash_recursive(HashTable *ht, phpstr *str, c
 		phpstr new_prefix;
 		
 		if (!data || !*data) {
+			phpstr_dtor(str);
 			return FAILURE;
 		}
 		
@@ -377,6 +404,7 @@ PHP_HTTP_API STATUS _http_urlencode_hash_recursive(HashTable *ht, phpstr *str, c
 			--ht->nApplyCount;
 			if (SUCCESS != status) {
 				phpstr_dtor(&new_prefix);
+				phpstr_dtor(str);
 				return FAILURE;
 			}
 		} else {
diff --git a/php_http.h b/php_http.h
index 7e82c04..4aa2679 100644
--- a/php_http.h
+++ b/php_http.h
@@ -47,6 +47,9 @@
 #	elif defined(HAVE_NETDB_H)
 #		define HTTP_HAVE_NETDB
 #		include <netdb.h>
+#		ifdef HAVE_UNISTD_H
+#			include <unistd.h>
+#		endif
 #	endif
 #endif
 
-- 
2.30.2