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-rw-r--r--ports/linux/xattr/guts/fgetxattr.c12
-rw-r--r--ports/linux/xattr/guts/flistxattr.c12
-rw-r--r--ports/linux/xattr/guts/fremovexattr.c12
-rw-r--r--ports/linux/xattr/guts/fsetxattr.c12
-rw-r--r--ports/linux/xattr/guts/getxattr.c12
-rw-r--r--ports/linux/xattr/guts/lgetxattr.c12
-rw-r--r--ports/linux/xattr/guts/listxattr.c12
-rw-r--r--ports/linux/xattr/guts/llistxattr.c12
-rw-r--r--ports/linux/xattr/guts/lremovexattr.c12
-rw-r--r--ports/linux/xattr/guts/lsetxattr.c12
-rw-r--r--ports/linux/xattr/guts/removexattr.c12
-rw-r--r--ports/linux/xattr/guts/setxattr.c12
-rw-r--r--ports/linux/xattr/portdefs.h1
-rw-r--r--ports/linux/xattr/pseudo_wrappers.c117
-rw-r--r--ports/linux/xattr/wrapfuncs.in12
15 files changed, 274 insertions, 0 deletions
diff --git a/ports/linux/xattr/guts/fgetxattr.c b/ports/linux/xattr/guts/fgetxattr.c
new file mode 100644
index 0000000..ae8c3a3
--- /dev/null
+++ b/ports/linux/xattr/guts/fgetxattr.c
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2014 Wind River Systems; see
+ * guts/COPYRIGHT for information.
+ *
+ * ssize_t fgetxattr(int filedes, const char *name, void *value, size_t size)
+ * ssize_t rc = -1;
+ */
+ rc = shared_getxattr(NULL, filedes, name, value, size);
+
+/* return rc;
+ * }
+ */
diff --git a/ports/linux/xattr/guts/flistxattr.c b/ports/linux/xattr/guts/flistxattr.c
new file mode 100644
index 0000000..cdd9454
--- /dev/null
+++ b/ports/linux/xattr/guts/flistxattr.c
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2014 Wind River Systems; see
+ * guts/COPYRIGHT for information.
+ *
+ * ssize_t flistxattr(int filedes, char *list, size_t size)
+ * ssize_t rc = -1;
+ */
+ rc = shared_listxattr(NULL, filedes, list, size);
+
+/* return rc;
+ * }
+ */
diff --git a/ports/linux/xattr/guts/fremovexattr.c b/ports/linux/xattr/guts/fremovexattr.c
new file mode 100644
index 0000000..a029d2c
--- /dev/null
+++ b/ports/linux/xattr/guts/fremovexattr.c
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2014 Wind River Systems; see
+ * guts/COPYRIGHT for information.
+ *
+ * int fremovexattr(int filedes, const char *name)
+ * int rc = -1;
+ */
+ rc = shared_removexattr(NULL, filedes, name);
+
+/* return rc;
+ * }
+ */
diff --git a/ports/linux/xattr/guts/fsetxattr.c b/ports/linux/xattr/guts/fsetxattr.c
new file mode 100644
index 0000000..cbed2ea
--- /dev/null
+++ b/ports/linux/xattr/guts/fsetxattr.c
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2014 Wind River Systems; see
+ * guts/COPYRIGHT for information.
+ *
+ * int fsetxattr(int filedes, const char *name, const void *value, size_t size, int flags)
+ * int rc = -1;
+ */
+ rc = shared_setxattr(NULL, filedes, name, value, size, flags);
+
+/* return rc;
+ * }
+ */
diff --git a/ports/linux/xattr/guts/getxattr.c b/ports/linux/xattr/guts/getxattr.c
new file mode 100644
index 0000000..7bd2bf5
--- /dev/null
+++ b/ports/linux/xattr/guts/getxattr.c
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2014 Wind River Systems; see
+ * guts/COPYRIGHT for information.
+ *
+ * ssize_t getxattr(const char *path, const char *name, void *value, size_t size)
+ * ssize_t rc = -1;
+ */
+ rc = shared_getxattr(path, -1, name, value, size);
+
+/* return rc;
+ * }
+ */
diff --git a/ports/linux/xattr/guts/lgetxattr.c b/ports/linux/xattr/guts/lgetxattr.c
new file mode 100644
index 0000000..675d3da
--- /dev/null
+++ b/ports/linux/xattr/guts/lgetxattr.c
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2014 Wind River Systems; see
+ * guts/COPYRIGHT for information.
+ *
+ * ssize_t lgetxattr(const char *path, const char *name, void *value, size_t size)
+ * ssize_t rc = -1;
+ */
+ rc = shared_getxattr(path, -1, name, value, size);
+
+/* return rc;
+ * }
+ */
diff --git a/ports/linux/xattr/guts/listxattr.c b/ports/linux/xattr/guts/listxattr.c
new file mode 100644
index 0000000..0decf71
--- /dev/null
+++ b/ports/linux/xattr/guts/listxattr.c
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2014 Wind River Systems; see
+ * guts/COPYRIGHT for information.
+ *
+ * ssize_t listxattr(const char *path, char *list, size_t size)
+ * ssize_t rc = -1;
+ */
+ rc = shared_listxattr(path, -1, list, size);
+
+/* return rc;
+ * }
+ */
diff --git a/ports/linux/xattr/guts/llistxattr.c b/ports/linux/xattr/guts/llistxattr.c
new file mode 100644
index 0000000..9934256
--- /dev/null
+++ b/ports/linux/xattr/guts/llistxattr.c
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2014 Wind River Systems; see
+ * guts/COPYRIGHT for information.
+ *
+ * ssize_t llistxattr(const char *path, char *list, size_t size)
+ * ssize_t rc = -1;
+ */
+ rc = shared_listxattr(path, -1, list, size);
+
+/* return rc;
+ * }
+ */
diff --git a/ports/linux/xattr/guts/lremovexattr.c b/ports/linux/xattr/guts/lremovexattr.c
new file mode 100644
index 0000000..1f39788
--- /dev/null
+++ b/ports/linux/xattr/guts/lremovexattr.c
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2014 Wind River Systems; see
+ * guts/COPYRIGHT for information.
+ *
+ * int lremovexattr(const char *path, const char *name)
+ * int rc = -1;
+ */
+ rc = shared_removexattr(path, -1, name);
+
+/* return rc;
+ * }
+ */
diff --git a/ports/linux/xattr/guts/lsetxattr.c b/ports/linux/xattr/guts/lsetxattr.c
new file mode 100644
index 0000000..b167b15
--- /dev/null
+++ b/ports/linux/xattr/guts/lsetxattr.c
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2014 Wind River Systems; see
+ * guts/COPYRIGHT for information.
+ *
+ * int lsetxattr(const char *path, const char *name, const void *value, size_t size, int flags)
+ * int rc = -1;
+ */
+ rc = shared_setxattr(path, -1, name, value, size, flags);
+
+/* return rc;
+ * }
+ */
diff --git a/ports/linux/xattr/guts/removexattr.c b/ports/linux/xattr/guts/removexattr.c
new file mode 100644
index 0000000..0d4d8e3
--- /dev/null
+++ b/ports/linux/xattr/guts/removexattr.c
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2014 Wind River Systems; see
+ * guts/COPYRIGHT for information.
+ *
+ * int removexattr(const char *path, const char *name)
+ * int rc = -1;
+ */
+ rc = shared_removexattr(path, -1, name);
+
+/* return rc;
+ * }
+ */
diff --git a/ports/linux/xattr/guts/setxattr.c b/ports/linux/xattr/guts/setxattr.c
new file mode 100644
index 0000000..dd85252
--- /dev/null
+++ b/ports/linux/xattr/guts/setxattr.c
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2014 Wind River Systems; see
+ * guts/COPYRIGHT for information.
+ *
+ * int setxattr(const char *path, const char *name, const void *value, size_t size, int flags)
+ * int rc = -1;
+ */
+ rc = shared_setxattr(path, -1, name, value, size, flags);
+
+/* return rc;
+ * }
+ */
diff --git a/ports/linux/xattr/portdefs.h b/ports/linux/xattr/portdefs.h
new file mode 100644
index 0000000..ec030b7
--- /dev/null
+++ b/ports/linux/xattr/portdefs.h
@@ -0,0 +1 @@
+#include <attr/xattr.h>
diff --git a/ports/linux/xattr/pseudo_wrappers.c b/ports/linux/xattr/pseudo_wrappers.c
new file mode 100644
index 0000000..7fe44a6
--- /dev/null
+++ b/ports/linux/xattr/pseudo_wrappers.c
@@ -0,0 +1,117 @@
+/* shared functionality for the xattr code */
+/* Each of these functions is expecting to get an optional name, and
+ * a populated statbuf to use for sending messages to the server.
+ */
+
+#define RC_AND_BUF \
+ int rc; \
+ PSEUDO_STATBUF buf; \
+ if (path) { \
+ rc = base_lstat(path, &buf); \
+ } else { \
+ rc = base_fstat(fd, &buf); \
+ } \
+ if (rc == -1) { \
+ return rc; \
+ }
+
+static ssize_t shared_getxattr(const char *path, int fd, const char *name, void *value, size_t size) {
+ RC_AND_BUF
+
+ pseudo_debug(PDBGF_XATTR, "getxattr(%s/%d, %s)\n",
+ path ? path : "<no path>", fd, name);
+ pseudo_msg_t *result = pseudo_client_op(OP_GET_XATTR, 0, fd, -1, path, &buf, name);
+ if (result->result != RESULT_SUCCEED) {
+ errno = ENOATTR;
+ return -1;
+ }
+
+ if (value) {
+ pseudo_debug(PDBGF_XATTR, "returned attributes: '%s' (%d bytes)\n",
+ result->path, result->pathlen);
+ if (size >= result->pathlen) {
+ memcpy(value, result->path, result->pathlen);
+ } else {
+ memcpy(value, result->path, size);
+ errno = ERANGE;
+ }
+ }
+ return result->pathlen;
+}
+
+static int shared_setxattr(const char *path, int fd, const char *name, const void *value, size_t size, int flags) {
+ RC_AND_BUF
+
+ char *combined;
+ size_t nlen = strlen(name);
+ size_t combined_len = nlen + size + 1;
+ combined = malloc(combined_len + 1);
+ memcpy(combined, name, nlen);
+ combined[nlen] = '\0';
+ memcpy(combined + nlen + 1, value, size);
+ combined[combined_len] = '\0';
+
+ pseudo_debug(PDBGF_XATTR, "setxattr(%s/%d, %s, %s => %s [%d])\n",
+ path ? path : "<no path>", fd, name, (char *) value, combined + nlen + 1, (int) size);
+
+ pseudo_op_t op;
+ switch (flags) {
+ case XATTR_CREATE:
+ op = OP_CREATE_XATTR;
+ break;
+ case XATTR_REPLACE:
+ op = OP_REPLACE_XATTR;
+ break;
+ default:
+ op = OP_SET_XATTR;
+ break;
+ }
+
+ pseudo_msg_t *result = pseudo_client_op(op, 0, fd, -1, path, &buf, combined, combined_len);
+
+ /* we automatically assume success */
+ if (op == OP_SET_XATTR) {
+ return 0;
+ }
+
+ /* CREATE/REPLACE operations can report failure */
+ if (!result || result->result == RESULT_FAIL) {
+ return -1;
+ }
+
+ return 0;
+}
+
+static ssize_t shared_listxattr(const char *path, int fd, char *list, size_t size) {
+ RC_AND_BUF
+ pseudo_msg_t *result = pseudo_client_op(OP_LIST_XATTR, 0, fd, -1, path, &buf);
+ if (result->result != RESULT_SUCCEED) {
+ pseudo_debug(PDBGF_XATTR, "listxattr: no success.\n");
+ errno = ENOATTR;
+ return -1;
+ }
+ if (list) {
+ pseudo_debug(PDBGF_XATTR, "listxattr: %d bytes of names, starting '%.*s'\n",
+ (int) result->pathlen, (int) result->pathlen, result->path);
+ if (size >= result->pathlen) {
+ memcpy(list, result->path, result->pathlen);
+ } else {
+ memcpy(list, result->path, size);
+ errno = ERANGE;
+ }
+ }
+ return result->pathlen;
+}
+
+static int shared_removexattr(const char *path, int fd, const char *name) {
+ RC_AND_BUF
+ pseudo_msg_t *result = pseudo_client_op(OP_REMOVE_XATTR, 0, fd, -1, path, &buf, name);
+
+ if (result->result != RESULT_SUCCEED) {
+ /* docs say ENOATTR, but I don't have one */
+ errno = ENOENT;
+ return -1;
+ }
+ return 0;
+}
+
diff --git a/ports/linux/xattr/wrapfuncs.in b/ports/linux/xattr/wrapfuncs.in
new file mode 100644
index 0000000..edfc788
--- /dev/null
+++ b/ports/linux/xattr/wrapfuncs.in
@@ -0,0 +1,12 @@
+ssize_t getxattr(const char *path, const char *name, void *value, size_t size) /* flags=0 */;
+ssize_t lgetxattr(const char *path, const char *name, void *value, size_t size) /* flags=AT_SYMLINK_NOFOLLOW */;
+ssize_t fgetxattr(int filedes, const char *name, void *value, size_t size);
+int setxattr(const char *path, const char *name, const void *value, size_t size, int flags) /* flags=0 */;
+int lsetxattr(const char *path, const char *name, const void *value, size_t size, int flags) /* flags=AT_SYMLINK_NOFOLLOW */;
+int fsetxattr(int filedes, const char *name, const void *value, size_t size, int flags);
+ssize_t listxattr(const char *path, char *list, size_t size) /* flags=0 */;
+ssize_t llistxattr(const char *path, char *list, size_t size) /* flags=AT_SYMLINK_NOFOLLOW */;
+ssize_t flistxattr(int filedes, char *list, size_t size);
+int removexattr(const char *path, const char *name) /* flags=0 */;
+int lremovexattr(const char *path, const char *name) /* flags=AT_SYMLINK_NOFOLLOW */;
+int fremovexattr(int filedes, const char *name);
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-27 15:49:47 +0000