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-rw-r--r--lib9p/tests/test_server/CMakeLists.txt1
-rw-r--r--lib9p/tests/test_server/fs_whoami.c156
-rw-r--r--lib9p/tests/test_server/fs_whoami.h20
-rw-r--r--lib9p/tests/test_server/main.c2
-rwxr-xr-xlib9p/tests/testclient-p9p3
-rw-r--r--lib9p/tests/testclient-p9p.explog4
-rw-r--r--lib9p/tests/testclient-sess.c22
-rw-r--r--lib9p/tests/testclient-sess.explog24
8 files changed, 222 insertions, 10 deletions
diff --git a/lib9p/tests/test_server/CMakeLists.txt b/lib9p/tests/test_server/CMakeLists.txt
index eb16165..681e583 100644
--- a/lib9p/tests/test_server/CMakeLists.txt
+++ b/lib9p/tests/test_server/CMakeLists.txt
@@ -11,6 +11,7 @@ add_library(test_server_objs OBJECT
main.c
fs_shutdown.c
fs_slowread.c
+ fs_whoami.c
)
target_include_directories(test_server_objs PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/config)
target_include_directories(test_server_objs PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
diff --git a/lib9p/tests/test_server/fs_whoami.c b/lib9p/tests/test_server/fs_whoami.c
new file mode 100644
index 0000000..ff6dd25
--- /dev/null
+++ b/lib9p/tests/test_server/fs_whoami.c
@@ -0,0 +1,156 @@
+/* lib9p/tests/test_server/fs_whoami.c - /whoami API endpoint
+ *
+ * Copyright (C) 2024-2025 Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#include <stdio.h> /* for snprintf() */
+#include <stdlib.h> /* for malloc(), realloc(), free() */
+
+#include "fs_whoami.h"
+
+LO_IMPLEMENTATION_C(lib9p_srv_file, struct whoami_file, whoami_file, static);
+
+struct whoami_fio {
+ struct whoami_file *parent;
+ size_t buf_len;
+ char *buf;
+};
+LO_IMPLEMENTATION_H(lib9p_srv_fio, struct whoami_fio, whoami_fio);
+LO_IMPLEMENTATION_C(lib9p_srv_fio, struct whoami_fio, whoami_fio, static);
+
+size_t whoami_len(struct lib9p_srv_ctx *ctx) {
+ assert(ctx);
+ assert(ctx->authinfo);
+
+ size_t len = 0;
+ uint32_t uid = ctx->authinfo->uid;
+ while (uid) {
+ len++;
+ uid /= 10;
+ }
+ if (!len)
+ len++;
+ len += 2;
+ len += ctx->authinfo->uname.len;
+ return len;
+}
+
+/* srv_file *******************************************************************/
+
+static void whoami_file_free(struct whoami_file *self) {
+ assert(self);
+}
+static struct lib9p_qid whoami_file_qid(struct whoami_file *self) {
+ assert(self);
+ return (struct lib9p_qid){
+ .type = LIB9P_QT_FILE,
+ .vers = 1,
+ .path = self->pathnum,
+ };
+}
+
+static struct lib9p_stat whoami_file_stat(struct whoami_file *self, struct lib9p_srv_ctx *ctx) {
+ assert(self);
+ assert(ctx);
+
+ return (struct lib9p_stat){
+ .kern_type = 0,
+ .kern_dev = 0,
+ .file_qid = whoami_file_qid(self),
+ .file_mode = 0444,
+ .file_atime = UTIL9P_ATIME,
+ .file_mtime = UTIL9P_MTIME,
+ .file_size = whoami_len(ctx),
+ .file_name = lib9p_str(self->name),
+ .file_owner_uid = lib9p_str("root"),
+ .file_owner_gid = lib9p_str("root"),
+ .file_last_modified_uid = lib9p_str("root"),
+ .file_extension = lib9p_str(NULL),
+ .file_owner_n_uid = 0,
+ .file_owner_n_gid = 0,
+ .file_last_modified_n_uid = 0,
+ };
+}
+static void whoami_file_wstat(struct whoami_file *self, struct lib9p_srv_ctx *ctx, struct lib9p_stat) {
+ assert(self);
+ assert(ctx);
+ lib9p_error(&ctx->basectx, LINUX_EROFS, "cannot wstat API file");
+}
+static void whoami_file_remove(struct whoami_file *self, struct lib9p_srv_ctx *ctx) {
+ assert(self);
+ assert(ctx);
+ lib9p_error(&ctx->basectx, LINUX_EROFS, "cannot remove API file");
+}
+
+LIB9P_SRV_NOTDIR(struct whoami_file, whoami_file)
+
+static lo_interface lib9p_srv_fio whoami_file_fopen(struct whoami_file *self, struct lib9p_srv_ctx *ctx, bool, bool, bool) {
+ assert(self);
+ assert(ctx);
+
+ struct whoami_fio *ret = malloc(sizeof(struct whoami_fio));
+ ret->parent = self;
+ ret->buf_len = 0;
+ ret->buf = NULL;
+
+ return lo_box_whoami_fio_as_lib9p_srv_fio(ret);
+}
+
+/* srv_fio ********************************************************************/
+
+static void whoami_fio_iofree(struct whoami_fio *self) {
+ assert(self);
+ if (self->buf)
+ free(self->buf);
+ free(self);
+}
+
+static struct lib9p_qid whoami_fio_qid(struct whoami_fio *self) {
+ assert(self);
+ assert(self->parent);
+ return whoami_file_qid(self->parent);
+}
+
+static uint32_t whoami_fio_iounit(struct whoami_fio *self) {
+ assert(self);
+ return 0;
+}
+
+static uint32_t whoami_fio_pwrite(struct whoami_fio *LM_UNUSED(self),
+ struct lib9p_srv_ctx *LM_UNUSED(ctx),
+ void *LM_UNUSED(buf), uint32_t LM_UNUSED(byte_count),
+ uint64_t LM_UNUSED(offset)) {
+ assert_notreached("not writable");
+}
+static void whoami_fio_pread(struct whoami_fio *self, struct lib9p_srv_ctx *ctx,
+ uint32_t byte_count, uint64_t byte_offset,
+ struct iovec *ret) {
+ assert(self);
+ assert(ctx);
+ assert(ret);
+
+ size_t data_size = whoami_len(ctx);
+ if (self->buf_len < data_size+1) {
+ self->buf = realloc(self->buf, data_size+1);
+ self->buf_len = data_size+1;
+ }
+ snprintf(self->buf, self->buf_len, "%"PRIu32" %.*s\n",
+ ctx->authinfo->uid, ctx->authinfo->uname.len, ctx->authinfo->uname.utf8);
+
+ if (byte_offset > (uint64_t)data_size) {
+ lib9p_error(&ctx->basectx,
+ LINUX_EINVAL, "offset is past end-of-file length");
+ return;
+ }
+
+ size_t beg_off = (size_t)byte_offset;
+ size_t end_off = beg_off + (size_t)byte_count;
+ if (end_off > data_size)
+ end_off = data_size;
+
+ *ret = (struct iovec){
+ .iov_base = &self->buf[beg_off],
+ .iov_len = end_off-beg_off,
+ };
+}
diff --git a/lib9p/tests/test_server/fs_whoami.h b/lib9p/tests/test_server/fs_whoami.h
new file mode 100644
index 0000000..0d3d311
--- /dev/null
+++ b/lib9p/tests/test_server/fs_whoami.h
@@ -0,0 +1,20 @@
+/* lib9p/tests/test_server/fs_whoami.h - /whoami API endpoint
+ *
+ * Copyright (C) 2024-2025 Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#ifndef _LIB9P_TESTS_TEST_SERVER_FS_WHOAMI_H_
+#define _LIB9P_TESTS_TEST_SERVER_FS_WHOAMI_H_
+
+#include <util9p/static.h>
+#include <libhw/host_net.h>
+
+struct whoami_file {
+ char *name;
+ uint64_t pathnum;
+};
+LO_IMPLEMENTATION_H(lib9p_srv_file, struct whoami_file, whoami_file);
+#define lo_box_whoami_file_as_lib9p_srv_file(obj) util9p_box(whoami_file, obj)
+
+#endif /* _LIB9P_TESTS_TEST_SERVER_FS_WHOAMI_H_ */
diff --git a/lib9p/tests/test_server/main.c b/lib9p/tests/test_server/main.c
index b543892..e89a75e 100644
--- a/lib9p/tests/test_server/main.c
+++ b/lib9p/tests/test_server/main.c
@@ -21,6 +21,7 @@
#include "static.h"
#include "fs_shutdown.h"
#include "fs_slowread.h"
+#include "fs_whoami.h"
/* configuration **************************************************************/
@@ -76,6 +77,7 @@ struct lib9p_srv_file root =
.flushable = false),
API_FILE(7, "slowread-flushable", slowread,
.flushable = true),
+ API_FILE(8, "whoami", whoami),
);
static lo_interface lib9p_srv_file get_root(struct lib9p_srv_ctx *LM_UNUSED(ctx), struct lib9p_s LM_UNUSED(treename)) {
diff --git a/lib9p/tests/testclient-p9p b/lib9p/tests/testclient-p9p
index 2e5a6f3..9c9fb5e 100755
--- a/lib9p/tests/testclient-p9p
+++ b/lib9p/tests/testclient-p9p
@@ -27,7 +27,8 @@ expect_lines \
'--r--r--r-- M 0 root root 166 Oct 7 2024 README.md' \
'---w--w--w- M 0 root root 0 Oct 7 2024 shutdown' \
'--r--r--r-- M 0 root root 6 Oct 7 2024 slowread' \
- '--r--r--r-- M 0 root root 6 Oct 7 2024 slowread-flushable'
+ '--r--r--r-- M 0 root root 6 Oct 7 2024 slowread-flushable' \
+ '--r--r--r-- M 0 root root 9 Oct 7 2024 whoami'
out=$("${client[@]}" ls -l 'Documentation/')
expect_lines \
diff --git a/lib9p/tests/testclient-p9p.explog b/lib9p/tests/testclient-p9p.explog
index 905a60f..45651a4 100644
--- a/lib9p/tests/testclient-p9p.explog
+++ b/lib9p/tests/testclient-p9p.explog
@@ -19,8 +19,8 @@
> Topen { tag=0 fid=1 mode=(MODE_READ) }
< Ropen { tag=0 qid={ type=(DIR) vers=1 path=1 } iounit=0 }
> Tread { tag=0 fid=1 offset=0 count=4096 }
-< Rread { tag=0 count=361 data=<bytedata> }
-> Tread { tag=0 fid=1 offset=361 count=4096 }
+< Rread { tag=0 count=428 data=<bytedata> }
+> Tread { tag=0 fid=1 offset=428 count=4096 }
< Rread { tag=0 count=0 data="" }
> Tclunk { tag=0 fid=1 }
< Rclunk { tag=0 }
diff --git a/lib9p/tests/testclient-sess.c b/lib9p/tests/testclient-sess.c
index 423dc2c..437c489 100644
--- a/lib9p/tests/testclient-sess.c
+++ b/lib9p/tests/testclient-sess.c
@@ -91,12 +91,28 @@ int main(int argc, char *argv[]) {
recv9p(); /* Rversion */
ctx.version = LIB9P_VER_9P2000_u;
- /* ext version ********************************************************/
- send9p(Tversion, .tag=0, .max_msg_size=57, .version=lib9p_str("9P2000.u"));
+ /* ext version, users *************************************************/
+ send9p(Tversion, .tag=0, .max_msg_size=(8*1024), .version=lib9p_str("9P2000.u"));
recv9p(); /* Rversion */
ctx.version = LIB9P_VER_9P2000_u;
+ send9p(Tattach, .tag=0, .fid=0, .afid=LIB9P_FID_NOFID, .uname=lib9p_str("alice"), .n_uid=1000, .aname=lib9p_str(""));
+ recv9p(); /* Rattach */
+ send9p(Tattach, .tag=0, .fid=1, .afid=LIB9P_FID_NOFID, .uname=lib9p_str("bob"), .n_uid=1001, .aname=lib9p_str(""));
+ recv9p(); /* Rattach */
+ wname[0] = lib9p_str("whoami"); send9p(Twalk, .tag=0, .fid=0, .newfid=2, .nwname=1, .wname=wname);
+ recv9p(); /* Rwalk */
+ wname[0] = lib9p_str("whoami"); send9p(Twalk, .tag=0, .fid=1, .newfid=3, .nwname=1, .wname=wname);
+ recv9p(); /* Rwalk */
+ send9p(Topen, .tag=0, .fid=2, .mode=LIB9P_O_MODE_READ);
+ recv9p(); /* Ropen */
+ send9p(Topen, .tag=0, .fid=3, .mode=LIB9P_O_MODE_READ);
+ recv9p(); /* Ropen */
+ send9p(Tread, .tag=0, .fid=2, .offset=0, .count=100);
+ recv9p(); /* Rread */
+ send9p(Tread, .tag=0, .fid=3, .offset=0, .count=100);
+ recv9p(); /* Rread */
- /* main session *******************************************************/
+ /* flush **************************************************************/
send9p(Tversion, .tag=0, .max_msg_size=(8*1024), .version=lib9p_str("9P2000"));
recv9p(); /* Rversion */
ctx.version = LIB9P_VER_9P2000;
diff --git a/lib9p/tests/testclient-sess.explog b/lib9p/tests/testclient-sess.explog
index b1f3085..6aab242 100644
--- a/lib9p/tests/testclient-sess.explog
+++ b/lib9p/tests/testclient-sess.explog
@@ -11,11 +11,27 @@
> Tversion { tag=0 max_msg_size=57 version="9P2025.u" }
< Rversion { tag=0 max_msg_size=57 version="9P2000.u" }
-# ext version ##################################################################
-> Tversion { tag=0 max_msg_size=57 version="9P2000.u" }
-< Rversion { tag=0 max_msg_size=57 version="9P2000.u" }
+# ext version, users ###########################################################
+> Tversion { tag=0 max_msg_size=8192 version="9P2000.u" }
+< Rversion { tag=0 max_msg_size=4120 version="9P2000.u" }
+> Tattach { tag=0 fid=0 afid=NOFID uname="alice" aname="" n_uid=1000 }
+< Rattach { tag=0 qid={ type=(DIR) vers=1 path=1 } }
+> Tattach { tag=0 fid=1 afid=NOFID uname="bob" aname="" n_uid=1001 }
+< Rattach { tag=0 qid={ type=(DIR) vers=1 path=1 } }
+> Twalk { tag=0 fid=0 newfid=2 nwname=1 wname=["whoami" ] }
+< Rwalk { tag=0 nwqid=1 wqid=[{ type=(0) vers=1 path=8 } ] }
+> Twalk { tag=0 fid=1 newfid=3 nwname=1 wname=["whoami" ] }
+< Rwalk { tag=0 nwqid=1 wqid=[{ type=(0) vers=1 path=8 } ] }
+> Topen { tag=0 fid=2 mode=(MODE_READ) }
+< Ropen { tag=0 qid={ type=(0) vers=1 path=8 } iounit=0 }
+> Topen { tag=0 fid=3 mode=(MODE_READ) }
+< Ropen { tag=0 qid={ type=(0) vers=1 path=8 } iounit=0 }
+> Tread { tag=0 fid=2 offset=0 count=100 }
+< Rread { tag=0 count=11 data="1000 alice\n" }
+> Tread { tag=0 fid=3 offset=0 count=100 }
+< Rread { tag=0 count=9 data="1001 bob\n" }
-# main session #################################################################
+# flush ########################################################################
> Tversion { tag=0 max_msg_size=8192 version="9P2000" }
< Rversion { tag=0 max_msg_size=4120 version="9P2000" }
> Tattach { tag=0 fid=0 afid=NOFID uname="nobody" aname="" n_uid=0 }
generated by cgit v1.2.3-2-g168b (git 2.25.1) at 2025-04-23 20:03:49 +0000