Attachment 16475 Details for Bug 14634 – git-am fix for master.

[patch] git-am fix for master.

0001-s3-modules-vfs_virusfilter-Recent-talloc-changes-cau.patch (text/plain), 8.45 KB, created by Jeremy Allison on 2021-02-26 22:53:59 UTC

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Creator: Jeremy Allison

Created: 2021-02-26 22:53:59 UTC

Size: 8.45 KB

patch

obsolete

>From 9f4a577524fc33d5478a921075afeea8cbad27bc Mon Sep 17 00:00:00 2001
>From: "Trever L. Adams" <trever.adams@gmail.com>
>Date: Fri, 26 Feb 2021 14:52:03 -0800
>Subject: [PATCH] s3:modules:vfs_virusfilter: Recent talloc changes cause
> infinite start-up failure
>
>Recent talloc changes cause the current check for failure to allocate to be incorrectly triggered.
>
>This patch checks to see if the original parameter to be checked for NULL if the talloc returns NULL. This allows for rapid passing in the ca
>
>BUG: https://bugzilla.samba.org/show_bug.cgi?id=14634
>RN: Fix failure of vfs_virusfilter starting due to talloc changes
>
>Signed-off-by: Trever L. Adams" <trever.adams@gmail.com>
>Reviewed-by: Jeremy Allison <jra@samba.org>
>---
> source3/modules/vfs_virusfilter.c | 157 +++++++++++++++++-------------
> 1 file changed, 90 insertions(+), 67 deletions(-)
>
>diff --git a/source3/modules/vfs_virusfilter.c b/source3/modules/vfs_virusfilter.c
>index e0712b99b42..8e75dc8cf15 100644
>--- a/source3/modules/vfs_virusfilter.c
>+++ b/source3/modules/vfs_virusfilter.c
>@@ -267,18 +267,21 @@ static int virusfilter_vfs_connect(
> 
> 	infected_file_command = lp_parm_const_string(
> 		snum, "virusfilter", "infected file command", NULL);
>-	config->infected_file_command = talloc_strdup(config, infected_file_command);
>-	if (config->infected_file_command == NULL) {
>-		DBG_ERR("virusfilter-vfs: out of memory!\n");
>-		return -1;
>+	if (infected_file_command != NULL) {
>+		config->infected_file_command = talloc_strdup(config, infected_file_command);
>+		if (config->infected_file_command == NULL) {
>+			DBG_ERR("virusfilter-vfs: out of memory!\n");
>+			return -1;
>+		}
> 	}
>-
> 	scan_error_command = lp_parm_const_string(
> 		snum, "virusfilter", "scan error command", NULL);
>-	config->scan_error_command = talloc_strdup(config, scan_error_command);
>-	if (config->scan_error_command == NULL) {
>-		DBG_ERR("virusfilter-vfs: out of memory!\n");
>-		return -1;
>+	if (scan_error_command != NULL) {
>+		config->scan_error_command = talloc_strdup(config, scan_error_command);
>+		if (config->scan_error_command == NULL) {
>+			DBG_ERR("virusfilter-vfs: out of memory!\n");
>+			return -1;
>+		}
> 	}
> 
> 	config->block_access_on_error = lp_parm_bool(
>@@ -290,10 +293,12 @@ static int virusfilter_vfs_connect(
> 	quarantine_dir = lp_parm_const_string(
> 		snum, "virusfilter", "quarantine directory",
> 		tmp ? tmp : "/tmp/.quarantine");
>-	config->quarantine_dir = talloc_strdup(config, quarantine_dir);
>-	if (config->quarantine_dir == NULL) {
>-		DBG_ERR("virusfilter-vfs: out of memory!\n");
>-		return -1;
>+	if (quarantine_dir != NULL) {
>+		config->quarantine_dir = talloc_strdup(config, quarantine_dir);
>+		if (config->quarantine_dir == NULL) {
>+			DBG_ERR("virusfilter-vfs: out of memory!\n");
>+			return -1;
>+		}
> 	}
> 
> 	if (tmp != config->quarantine_dir) {
>@@ -311,42 +316,50 @@ static int virusfilter_vfs_connect(
> 	quarantine_prefix = lp_parm_const_string(
> 		snum, "virusfilter", "quarantine prefix",
> 		VIRUSFILTER_DEFAULT_QUARANTINE_PREFIX);
>-	config->quarantine_prefix = talloc_strdup(config, quarantine_prefix);
>-	if (config->quarantine_prefix == NULL) {
>-		DBG_ERR("virusfilter-vfs: out of memory!\n");
>-		return -1;
>+	if (quarantine_prefix != NULL) {
>+		config->quarantine_prefix = talloc_strdup(config, quarantine_prefix);
>+		if (config->quarantine_prefix == NULL) {
>+			DBG_ERR("virusfilter-vfs: out of memory!\n");
>+			return -1;
>+		}
> 	}
> 
> 	quarantine_suffix = lp_parm_const_string(
> 		snum, "virusfilter", "quarantine suffix",
> 		VIRUSFILTER_DEFAULT_QUARANTINE_SUFFIX);
>-	config->quarantine_suffix = talloc_strdup(config, quarantine_suffix);
>-	if (config->quarantine_suffix == NULL) {
>-		DBG_ERR("virusfilter-vfs: out of memory!\n");
>-		return -1;
>+	if (quarantine_suffix != NULL) {
>+		config->quarantine_suffix = talloc_strdup(config, quarantine_suffix);
>+		if (config->quarantine_suffix == NULL) {
>+			DBG_ERR("virusfilter-vfs: out of memory!\n");
>+			return -1;
>+		}
> 	}
> 
> 	/*
> 	 * Make sure prefixes and suffixes do not contain directory
> 	 * delimiters
> 	 */
>-	sret = strstr(config->quarantine_prefix, "/");
>-	if (sret != NULL) {
>-		DBG_ERR("quarantine prefix must not contain directory "
>-			"delimiter(s) such as '/' (%s replaced with %s)\n",
>-			config->quarantine_prefix,
>-			VIRUSFILTER_DEFAULT_QUARANTINE_PREFIX);
>-		config->quarantine_prefix =
>-			VIRUSFILTER_DEFAULT_QUARANTINE_PREFIX;
>-	}
>-	sret = strstr(config->quarantine_suffix, "/");
>-	if (sret != NULL) {
>-		DBG_ERR("quarantine suffix must not contain directory "
>-			"delimiter(s) such as '/' (%s replaced with %s)\n",
>-			config->quarantine_suffix,
>-			VIRUSFILTER_DEFAULT_QUARANTINE_SUFFIX);
>-		config->quarantine_suffix =
>-			VIRUSFILTER_DEFAULT_QUARANTINE_SUFFIX;
>+	if (config->quarantine_prefix != NULL) {
>+		sret = strstr(config->quarantine_prefix, "/");
>+		if (sret != NULL) {
>+			DBG_ERR("quarantine prefix must not contain directory "
>+				"delimiter(s) such as '/' (%s replaced with %s)\n",
>+				config->quarantine_prefix,
>+				VIRUSFILTER_DEFAULT_QUARANTINE_PREFIX);
>+			config->quarantine_prefix =
>+				VIRUSFILTER_DEFAULT_QUARANTINE_PREFIX;
>+		}
>+	}
>+	if (config->quarantine_suffix != NULL) {
>+		sret = strstr(config->quarantine_suffix, "/");
>+		if (sret != NULL) {
>+			DBG_ERR("quarantine suffix must not contain directory "
>+				"delimiter(s) such as '/' (%s replaced with %s)\n",
>+				config->quarantine_suffix,
>+				VIRUSFILTER_DEFAULT_QUARANTINE_SUFFIX);
>+			config->quarantine_suffix =
>+				VIRUSFILTER_DEFAULT_QUARANTINE_SUFFIX;
>+		}
> 	}
> 
> 	config->quarantine_keep_tree = lp_parm_bool(
>@@ -358,42 +371,50 @@ static int virusfilter_vfs_connect(
> 	rename_prefix = lp_parm_const_string(
> 		snum, "virusfilter", "rename prefix",
> 		VIRUSFILTER_DEFAULT_RENAME_PREFIX);
>-	config->rename_prefix = talloc_strdup(config, rename_prefix);
>-	if (config->rename_prefix == NULL) {
>-		DBG_ERR("virusfilter-vfs: out of memory!\n");
>-		return -1;
>+	if (rename_prefix != NULL) {
>+		config->rename_prefix = talloc_strdup(config, rename_prefix);
>+		if (config->rename_prefix == NULL) {
>+			DBG_ERR("virusfilter-vfs: out of memory!\n");
>+			return -1;
>+		}
> 	}
> 
> 	rename_suffix = lp_parm_const_string(
> 		snum, "virusfilter", "rename suffix",
> 		VIRUSFILTER_DEFAULT_RENAME_SUFFIX);
>-	config->rename_suffix = talloc_strdup(config, rename_suffix);
>-	if (config->rename_suffix == NULL) {
>-		DBG_ERR("virusfilter-vfs: out of memory!\n");
>-		return -1;
>+	if (rename_suffix != NULL) {
>+		config->rename_suffix = talloc_strdup(config, rename_suffix);
>+		if (config->rename_suffix == NULL) {
>+			DBG_ERR("virusfilter-vfs: out of memory!\n");
>+			return -1;
>+		}
> 	}
> 
> 	/*
> 	 * Make sure prefixes and suffixes do not contain directory
> 	 * delimiters
> 	 */
>-	sret = strstr(config->rename_prefix, "/");
>-	if (sret != NULL) {
>-		DBG_ERR("rename prefix must not contain directory "
>-			"delimiter(s) such as '/' (%s replaced with %s)\n",
>-			config->rename_prefix,
>-			VIRUSFILTER_DEFAULT_RENAME_PREFIX);
>-		config->rename_prefix =
>-			VIRUSFILTER_DEFAULT_RENAME_PREFIX;
>-	}
>-	sret = strstr(config->rename_suffix, "/");
>-	if (sret != NULL) {
>-		DBG_ERR("rename suffix must not contain directory "
>-			"delimiter(s) such as '/' (%s replaced with %s)\n",
>-			config->rename_suffix,
>-			VIRUSFILTER_DEFAULT_RENAME_SUFFIX);
>-		config->rename_suffix =
>-			VIRUSFILTER_DEFAULT_RENAME_SUFFIX;
>+	if (config->rename_prefix != NULL) {
>+		sret = strstr(config->rename_prefix, "/");
>+		if (sret != NULL) {
>+			DBG_ERR("rename prefix must not contain directory "
>+				"delimiter(s) such as '/' (%s replaced with %s)\n",
>+				config->rename_prefix,
>+				VIRUSFILTER_DEFAULT_RENAME_PREFIX);
>+			config->rename_prefix =
>+				VIRUSFILTER_DEFAULT_RENAME_PREFIX;
>+		}
>+	}
>+	if (config->rename_suffix != NULL) {
>+		sret = strstr(config->rename_suffix, "/");
>+		if (sret != NULL) {
>+			DBG_ERR("rename suffix must not contain directory "
>+				"delimiter(s) such as '/' (%s replaced with %s)\n",
>+				config->rename_suffix,
>+				VIRUSFILTER_DEFAULT_RENAME_SUFFIX);
>+			config->rename_suffix =
>+				VIRUSFILTER_DEFAULT_RENAME_SUFFIX;
>+		}
> 	}
> 
> 	config->infected_open_errno = lp_parm_int(
>@@ -410,10 +431,12 @@ static int virusfilter_vfs_connect(
> 
> 	socket_path = lp_parm_const_string(
> 		snum, "virusfilter", "socket path", NULL);
>-	config->socket_path = talloc_strdup(config, socket_path);
>-	if (config->socket_path == NULL) {
>-		DBG_ERR("virusfilter-vfs: out of memory!\n");
>-		return -1;
>+	if (socket_path != NULL) {
>+		config->socket_path = talloc_strdup(config, socket_path);
>+		if (config->socket_path == NULL) {
>+			DBG_ERR("virusfilter-vfs: out of memory!\n");
>+			return -1;
>+		}
> 	}
> 
> 	/* canonicalize socket_path */
>-- 
>2.27.0
>

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