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authorJeremy Allison <jra@samba.org>2004-11-20 01:51:32 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:06:02 -0500
commitc760b8b969f550b0fe3d61f089c133994af2dd60 (patch)
treec0f19d86610269fdc4ab67a16719eccf898108af
parent96ecdf3a334f7b473ad590dbc41474d2173474c6 (diff)
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r3887: Much better understanding of delayed write time, and the interaction
with setfileinfo modifying the write time. I have some ideas on how to emulate this in the Samba server now but the commented case will be very hard... Jeremy. (This used to be commit c9211d084719a16f671b315a9c0bc6ed59fa8c8e)
-rw-r--r--source4/torture/basic/delaywrite.c84
1 files changed, 80 insertions, 4 deletions
diff --git a/source4/torture/basic/delaywrite.c b/source4/torture/basic/delaywrite.c
index 4ffd398c17..0566e26cb9 100644
--- a/source4/torture/basic/delaywrite.c
+++ b/source4/torture/basic/delaywrite.c
@@ -5,6 +5,7 @@
Copyright (C) Volker Lendecke 2004
Copyright (C) Andrew Tridgell 2004
+ Copyright (C) Jeremy Allison 2004
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -158,11 +159,31 @@ static BOOL test_delayed_write_update2(struct smbcli_state *cli, TALLOC_CTX *mem
granularity (older systems may have that) */
sleep(3);
- written = smbcli_write(cli->tree, fnum1, 0, "x", 0, 1);
+ {
+ /* Try using setfileinfo instead of write to update write time. */
+ union smb_setfileinfo sfinfo;
+ time_t t_set = time(NULL);
+ sfinfo.basic_info.level = RAW_SFILEINFO_BASIC_INFO;
+ sfinfo.basic_info.file.fnum = fnum1;
+ sfinfo.basic_info.in.create_time = finfo1.basic_info.out.create_time;
+ sfinfo.basic_info.in.access_time = finfo1.basic_info.out.access_time;
+
+ /* I tried this with both + and - ve to see if it makes a different.
+ It doesn't - once the filetime is set via setfileinfo it stays that way. */
+#if 1
+ unix_to_nt_time(&sfinfo.basic_info.in.write_time, t_set - 30000);
+#else
+ unix_to_nt_time(&sfinfo.basic_info.in.write_time, t_set + 30000);
+#endif
+ sfinfo.basic_info.in.change_time = finfo1.basic_info.out.change_time;
+ sfinfo.basic_info.in.attrib = finfo1.basic_info.out.attrib;
+
+ status = smb_raw_setfileinfo(cli->tree, &sfinfo);
- if (written != 1) {
- printf("write failed - wrote %d bytes (%s)\n", written, __location__);
- return False;
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("sfileinfo failed: %s\n", nt_errstr(status)));
+ return False;
+ }
}
t = time(NULL);
@@ -193,6 +214,61 @@ static BOOL test_delayed_write_update2(struct smbcli_state *cli, TALLOC_CTX *mem
ret = False;
}
+ /* Now try a write to see if the write time gets reset. */
+
+ finfo1.basic_info.level = RAW_FILEINFO_BASIC_INFO;
+ finfo1.basic_info.in.fnum = fnum1;
+ finfo2 = finfo1;
+
+ status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo1);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
+ return False;
+ }
+
+ printf("Modified write time %s\n",
+ nt_time_string(mem_ctx, finfo1.basic_info.out.write_time));
+
+
+ written = smbcli_write(cli->tree, fnum1, 0, "x", 0, 1);
+
+ if (written != 1) {
+ printf("write failed - wrote %d bytes (%s)\n", written, __location__);
+ return False;
+ }
+
+ t = time(NULL);
+
+ /* Once the time was set using setfileinfo then it stays set - writes
+ don't have any effect. But make sure. */
+
+ while (time(NULL) < t+40) {
+ status = smb_raw_fileinfo(cli->tree, mem_ctx, &finfo2);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("fileinfo failed: %s\n", nt_errstr(status)));
+ ret = False;
+ break;
+ }
+ printf("write time %s\n",
+ nt_time_string(mem_ctx, finfo2.basic_info.out.write_time));
+ if (finfo1.basic_info.out.write_time != finfo2.basic_info.out.write_time) {
+ printf("Server updated write_time after %d seconds\n",
+ (int)(time(NULL) - t));
+ break;
+ }
+ sleep(1);
+ fflush(stdout);
+ }
+
+ if (finfo1.basic_info.out.write_time == finfo2.basic_info.out.write_time) {
+ printf("Server did not update write time?!\n");
+ }
+
+ /* One more test to do. We should read the filetime via findfirst on the
+ second connection to ensure it's the same. This is very easy for a Windows
+ server but a bastard to get right on a POSIX server. JRA. */
if (cli2 != NULL) {
torture_close_connection(cli2);