Mercurial > hg > webserver / file diff

--- a/src/server/webdav/xattrbackend.c	Sat Mar 18 14:16:05 2023 +0100
+++ b/src/server/webdav/xattrbackend.c	Sat Mar 18 15:52:35 2023 +0100
@@ -29,6 +29,9 @@
 
 #include "xattrbackend.h"
 
+#include "../util/util.h"
+#include "../util/libxattr.h"
+
 
 static WebdavBackend webdav_xattr_backend = {
     webdav_xattr_propfind_init,
@@ -61,6 +64,7 @@
     }
     
     // TODO: config
+    repo->xattr_name = "webdav_properties";
     
     return repo;
 }
@@ -93,6 +97,22 @@
         const char *href,
         WebdavPList **outplist)
 {
+    // make sure the sys vfs is used, because currently only
+    // native sysfs xattr is supported
+    if(rq->rq->vfs) {
+        log_ereport(LOG_FAILURE, "webdav-propfind: xattr backend unsupported with non-native VFS");
+        return 1;
+    }
+    
+    XAttrPropfind *xprop = pool_malloc(rq->sn->pool, sizeof(XAttrPropfind));
+    if(!xprop) {
+        return 1;
+    }
+    rq->userdata = xprop;
+    
+    xprop->base_href = href;
+    xprop->base_path = path;
+    
     return 0;
 }
 
@@ -103,6 +123,47 @@
         WebdavResource *resource,
         struct stat *s)
 {
+    Session *sn = request->sn;
+    Request *rq = request->rq;
+    
+    WebdavXAttrBackend *xdav = request->dav->instance;
+    WebdavXAttrRepository *repo = xdav->repo;
+    XAttrPropfind *xprop = request->userdata;
+    
+    const char *path;
+    char *path_dp = NULL;
+    if(!parent) {
+        // use base path
+        path = xprop->base_path;
+    } else {
+        size_t base_href_len = strlen(xprop->base_href);
+        size_t base_path_len = strlen(xprop->base_path);
+        char *res_path = resource->href + base_href_len;
+        size_t res_path_len = strlen(res_path);
+        
+        path_dp = pool_malloc(sn->pool, base_path_len + res_path_len + 2);
+        memcpy(path_dp, xprop->base_path, base_path_len);
+        int s = 0;
+        if(path_dp[base_path_len-1] != '/' && res_path[0] != '/') {
+            path_dp[base_path_len] = '/';
+            s = 1;
+        }
+        memcpy(path_dp + base_path_len + s, res_path, res_path_len);
+        path_dp[base_path_len + s + res_path_len] = 0;
+        
+        path = path_dp;
+    }
+    
+    ssize_t xattr_data_len = 0;
+    char *xattr_data = xattr_get_alloc(
+            sn->pool,
+            (libxattr_malloc_func)pool_malloc,
+            (libxattr_free_func)pool_free,
+            path,
+            repo->xattr_name,
+            &xattr_data_len);
+    
+    
     return 0;
 }