From 14dfb79ca65dd80e117103c4f8852ae2b4a419a0 Mon Sep 17 00:00:00 2001
From: Stef Walter <stefw@collabora.co.uk>
Date: Sun, 30 Jan 2011 08:26:23 -0600
Subject: Configuration tests.

---
 module/conf.c        | 25 +++++++++++++++----------
 module/conf.h        |  6 +++---
 module/p11-kit-lib.c |  8 ++++----
 3 files changed, 22 insertions(+), 17 deletions(-)

(limited to 'module')

diff --git a/module/conf.c b/module/conf.c
index a0a3917..1e0d565 100644
--- a/module/conf.c
+++ b/module/conf.c
@@ -54,16 +54,19 @@
 #include <unistd.h>
 
 static void
-errmsg (const char *filename, const char* msg, ...)
+errmsg (conf_error_func error_func, const char* msg, ...)
 {
 	#define MAX_MSGLEN  1024
 	char buf[MAX_MSGLEN];
 	va_list ap;
 
+	if (!error_func)
+		return;
+
 	va_start (ap, msg);
 	vsnprintf (buf, MAX_MSGLEN, msg, ap);
 	buf[MAX_MSGLEN - 1] = 0;
-	conf_error (filename, buf);
+	error_func (buf);
 	va_end (ap);
 }
 
@@ -112,7 +115,8 @@ strtrim (char* data)
  */
 
 static char*
-read_config_file (const char* filename, int flags)
+read_config_file (const char* filename, int flags,
+                  conf_error_func error_func)
 {
 	char* config = NULL;
 	FILE* f = NULL;
@@ -129,7 +133,7 @@ read_config_file (const char* filename, int flags)
 				errno = ENOMEM;
 			return config;
 		}
-		errmsg (filename, "couldn't open config file: %s", filename);
+		errmsg (error_func, "couldn't open config file: %s", filename);
 		return NULL;
 	}
 
@@ -137,19 +141,19 @@ read_config_file (const char* filename, int flags)
 	if (fseek (f, 0, SEEK_END) == -1 ||
 	    (len = ftell (f)) == -1 ||
 	    fseek (f, 0, SEEK_SET) == -1) {
-		errmsg (filename, "couldn't seek config file: %s", filename);
+		errmsg (error_func, "couldn't seek config file: %s", filename);
 		return NULL;
 	}
 
 	if ((config = (char*)malloc (len + 2)) == NULL) {
-		errmsg (filename, "out of memory");
+		errmsg (error_func, "out of memory");
 		errno = ENOMEM;
 		return NULL;
 	}
 
 	/* And read in one block */
 	if (fread (config, 1, len, f) != len) {
-		errmsg (filename, "couldn't read config file: %s", filename);
+		errmsg (error_func, "couldn't read config file: %s", filename);
 		return NULL;
 	}
 
@@ -166,7 +170,8 @@ read_config_file (const char* filename, int flags)
 }
 
 hash_t*
-conf_parse_file (const char* filename, int flags)
+conf_parse_file (const char* filename, int flags,
+                 conf_error_func error_func)
 {
 	char *name;
 	char *value;
@@ -178,7 +183,7 @@ conf_parse_file (const char* filename, int flags)
 	assert (filename);
 
 	/* Adds an extra newline to end of file */
-	config = read_config_file (filename, flags);
+	config = read_config_file (filename, flags, error_func);
 	if (!config)
 		return NULL;
 
@@ -198,7 +203,7 @@ conf_parse_file (const char* filename, int flags)
 		/* Look for the break between name = value on the same line */
 		value = name + strcspn (name, ":=");
 		if (!*value) {
-			errmsg (filename, "%s: invalid config line: %s", filename, name);
+			errmsg (error_func, "%s: invalid config line: %s", filename, name);
 			errno = EINVAL;
 			break;
 		}
diff --git a/module/conf.h b/module/conf.h
index 2a9e2f3..84138d2 100644
--- a/module/conf.h
+++ b/module/conf.h
@@ -42,10 +42,10 @@ enum {
 	CONF_IGNORE_MISSING = 0x01,
 };
 
-extern void   conf_error           (const char *filename,
-                                    const char *message);
+typedef void  (*conf_error_func)   (const char *message);
 
 hash_t*       conf_parse_file      (const char *filename,
-                                    int flags);
+                                    int flags,
+                                    conf_error_func error_func);
 
 #endif /* __CONF_H__ */
diff --git a/module/p11-kit-lib.c b/module/p11-kit-lib.c
index 1b7a99c..a244203 100644
--- a/module/p11-kit-lib.c
+++ b/module/p11-kit-lib.c
@@ -101,8 +101,8 @@ warning (const char* msg, ...)
 	va_end (va);
 }
 
-void
-conf_error (const char *filename, const char *buffer)
+static void
+conf_error (const char *buffer)
 {
 	/* called from conf.c */
 	fprintf (stderr, "p11-kit: %s\n", buffer);
@@ -184,7 +184,7 @@ load_module_from_config_unlocked (const char *configfile, const char *name)
 	if (!module)
 		return CKR_HOST_MEMORY;
 
-	module->config = conf_parse_file (configfile, 0);
+	module->config = conf_parse_file (configfile, 0, conf_error);
 	if (!module->config) {
 		free_module_unlocked (module);
 		if (errno == ENOMEM)
@@ -335,7 +335,7 @@ load_registered_modules_unlocked (void)
 	assert (!gl.config);
 
 	/* Load the main configuration */
-	config = conf_parse_file (PKCS11_CONFIG_FILE, CONF_IGNORE_MISSING);
+	config = conf_parse_file (PKCS11_CONFIG_FILE, CONF_IGNORE_MISSING, conf_error);
 	if (!config) {
 		if (errno == ENOMEM)
 			return CKR_HOST_MEMORY;
-- 
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