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authorJeremy Allison <jra@samba.org>2010-09-10 11:56:26 -0700
committerJeremy Allison <jra@samba.org>2010-09-10 11:56:26 -0700
commite8509589287ea04c6290dd127d3ef0c3e0b3f49d (patch)
tree473fdc4173437e0d14ac53ab2c5161e027a2abc6 /source3/modules
parent55598c4746f51f4a607c7b11e43ad56dcee22d87 (diff)
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Check all SMB_MALLOC returns correctly. Found by Andreas Moroder <andreas.moroder@gmx.net>.
Jeremy
Diffstat (limited to 'source3/modules')
-rw-r--r--source3/modules/vfs_dirsort.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/source3/modules/vfs_dirsort.c b/source3/modules/vfs_dirsort.c
index d96aca0cb1..4869bc05a0 100644
--- a/source3/modules/vfs_dirsort.c
+++ b/source3/modules/vfs_dirsort.c
@@ -43,14 +43,15 @@ static void free_dirsort_privates(void **datap) {
return;
}
-static void open_and_sort_dir (vfs_handle_struct *handle)
+static bool open_and_sort_dir (vfs_handle_struct *handle)
{
SMB_STRUCT_DIRENT *dp;
struct stat dir_stat;
long current_pos;
struct dirsort_privates *data = NULL;
- SMB_VFS_HANDLE_GET_DATA(handle, data, struct dirsort_privates, return);
+ SMB_VFS_HANDLE_GET_DATA(handle, data, struct dirsort_privates,
+ return false);
data->number_of_entries = 0;
@@ -71,6 +72,9 @@ static void open_and_sort_dir (vfs_handle_struct *handle)
SAFE_FREE(data->directory_list); /* destroy previous cache if needed */
data->directory_list = (SMB_STRUCT_DIRENT *)SMB_MALLOC(
data->number_of_entries * sizeof(SMB_STRUCT_DIRENT));
+ if (!data->directory_list) {
+ return false;
+ }
current_pos = data->pos;
data->pos = 0;
while ((dp = SMB_VFS_NEXT_READDIR(handle, data->source_directory,
@@ -81,6 +85,7 @@ static void open_and_sort_dir (vfs_handle_struct *handle)
/* Sort the directory entries by name */
data->pos = current_pos;
TYPESAFE_QSORT(data->directory_list, data->number_of_entries, compare_dirent);
+ return true;
}
static SMB_STRUCT_DIR *dirsort_opendir(vfs_handle_struct *handle,
@@ -93,6 +98,10 @@ static SMB_STRUCT_DIR *dirsort_opendir(vfs_handle_struct *handle,
data = (struct dirsort_privates *)SMB_MALLOC(
sizeof(struct dirsort_privates));
+ if (!data) {
+ return NULL;
+ }
+
data->directory_list = NULL;
data->pos = 0;
@@ -105,7 +114,10 @@ static SMB_STRUCT_DIR *dirsort_opendir(vfs_handle_struct *handle,
SMB_VFS_HANDLE_SET_DATA(handle, data, free_dirsort_privates,
struct dirsort_privates, return NULL);
- open_and_sort_dir(handle);
+ if (!open_and_sort_dir(handle)) {
+ SMB_VFS_NEXT_CLOSEDIR(handle,data->source_directory);
+ return NULL;
+ }
return data->source_directory;
}