Initial version of xattr routines for Solaris.

diff --git a/lib/sysxattrs.c b/lib/sysxattrs.c
index 12e456e..b24ff9f 100644 (file)
--- a/lib/sysxattrs.c
+++ b/lib/sysxattrs.c
@@ -126,6 +126,128 @@ ssize_t sys_llistxattr(const char *path, char *list, size_t size)
        return len;
 }
 
        return len;
 }
 

+#elif HAVE_SOLARIS_XATTRS
+
+static read_xattr(int attrfd, void *buf, size_t buflen)
+{
+       size_t bufpos;
+
+       for (bufpos = 0; bufpos < buflen; )  {
+               size_t r = read(attrfd, buf + bufpos, buflen - bufpos);
+               if (r <= 0) {
+                       if (r < 0)
+                               bufpos = -1;
+                       break;
+               }
+               bufpos += r;
+       }
+
+       close(attrfd);
+
+       return bufpos;
+}
+
+ssize_t sys_lgetxattr(const char *path, const char *name, void *value, size_t size)
+{
+       int attrfd;
+
+       if ((attrfd = attropen(path, name, O_RDONLY)) < 0) {
+               errno = ENOATTR;
+               return -1;
+       }
+
+       return read_xattr(attrfd, value, size);
+}
+
+ssize_t sys_fgetxattr(int filedes, const char *name, void *value, size_t size)
+{
+       int attrfd;
+
+       if ((attrfd = openat(filedes,name,O_RDONLY)) < 0) {
+               errno = ENOATTR;
+               return -1;
+       }
+
+       return read_xattr(attrfd, value, size);
+
+}
+
+int sys_lsetxattr(const char *path, const char *name, const void *value, size_t size)
+{
+       int attrfd;
+       size_t bufpos;
+       mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP;
+
+       if ((attrfd = attropen(path, name, AT_SYMLINK_NOFOLLOW|O_CREAT|O_RDWR, mode)) < 0)
+               return -1;
+
+       for (bufpos = 0; bufpos < size; ) {
+               size_t w = write(attrfd, value+bufpos, size);
+               if (w <= 0) {
+                       bufpos = -1;
+                       break;
+               }
+               bufpos += w;
+
+       }
+
+       close(attrfd);
+
+       return bufpos;
+}
+
+int sys_lremovexattr(const char *path, const char *name)
+{
+       int attrdirfd;
+       int ret;
+
+       if ((attrdirfd = attropen(path, ".", O_RDONLY)) < 0)
+               return -1;
+
+       ret = unlinkat(attrdirfd, name, 0);
+
+       close(attrdirfd);
+
+       return ret;
+}
+
+ssize_t sys_llistxattr(const char *path, char *list, size_t size)
+{
+       int attrdirfd;
+       DIR *dirp;
+       struct dirent *dp;
+       int len = 0;
+
+       if ((attrdirfd = attropen(path, ".", O_RDONLY)) < 0) {
+               errno = ENOTSUP;
+               return -1;
+       }
+
+       if ((dirp = fdopendir(attrdirfd)) == NULL) {
+               close(attrdirfd);
+               return -1;
+       }
+
+       while ((dp = readdir(dirp))) {
+               int namelen = strlen(dp->d_name);
+
+               if (dp->d_name[0] == '.' && (namelen == 1 || (namelen == 2 && dp->d_name[1] == '.')))
+                       continue;
+               if (namelen == 11 && dp->d_name[0] == 'S' && strncmp(dp->d_name, "SUNWattr_r", 10) == 0
+                && (dp->d_name[10] == 'o' || dp->d_name[10] == 'w'))
+                       continue;
+
+               memcpy(list, dp->d_name, namelen+1);
+               list += namelen;
+               len += namelen;
+       }
+
+       closedir(dirp);
+       close(attrdirfd);
+
+       return len;
+}
+

 #else
 
 #error You need to create xattr compatibility functions.
 #else
 
 #error You need to create xattr compatibility functions.