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nixpkgs/pkgs/development/libraries/tpm2-tss/no-dynamic-loader-path.patch
Arthur Gautier 0d8df51c23 tpm2-tss: fix support for abrmd 
When introduced in #114080, the full path dlopen lookup patch introduced
a regression which made it impossible to load tabrmd modules

see https://github.com/NixOS/nixpkgs/issues/133248
    https://github.com/NixOS/nixpkgs/pull/114080

Fixes #133248

Signed-off-by: Arthur Gautier <baloo@superbaloo.net>
2021-08-10 15:17:45 +00:00

226 lines
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diff --git a/src/tss2-tcti/tctildr-dl.c b/src/tss2-tcti/tctildr-dl.c
index b364695c..d026de71 100644
--- a/src/tss2-tcti/tctildr-dl.c
+++ b/src/tss2-tcti/tctildr-dl.c
@@ -116,6 +116,50 @@ handle_from_name(const char *file,
return TSS2_TCTI_RC_BAD_VALUE;
}
*handle = dlopen(file_xfrm, RTLD_NOW);
+ if (*handle != NULL) {
+ return TSS2_RC_SUCCESS;
+ } else {
+ LOG_DEBUG("Failed to load TCTI for name \"%s\": %s", file, dlerror());
+ }
+ size = snprintf(file_xfrm,
+ sizeof (file_xfrm),
+ "@PREFIX@%s",
+ file);
+ if (size >= sizeof (file_xfrm)) {
+ LOG_ERROR("TCTI name truncated in transform.");
+ return TSS2_TCTI_RC_BAD_VALUE;
+ }
+ *handle = dlopen(file_xfrm, RTLD_NOW);
+ if (*handle != NULL) {
+ return TSS2_RC_SUCCESS;
+ } else {
+ LOG_DEBUG("Could not load TCTI file: \"%s\": %s", file, dlerror());
+ }
+ /* 'name' alone didn't work, try libtss2-tcti-<name>.so.0 */
+ size = snprintf(file_xfrm,
+ sizeof (file_xfrm),
+ "@PREFIX@" TCTI_NAME_TEMPLATE_0,
+ file);
+ if (size >= sizeof (file_xfrm)) {
+ LOG_ERROR("TCTI name truncated in transform.");
+ return TSS2_TCTI_RC_BAD_VALUE;
+ }
+ *handle = dlopen(file_xfrm, RTLD_NOW);
+ if (*handle != NULL) {
+ return TSS2_RC_SUCCESS;
+ } else {
+ LOG_DEBUG("Could not load TCTI file \"%s\": %s", file, dlerror());
+ }
+ /* libtss2-tcti-<name>.so.0 didn't work, try libtss2-tcti-<name>.so */
+ size = snprintf(file_xfrm,
+ sizeof (file_xfrm),
+ "@PREFIX@" TCTI_NAME_TEMPLATE,
+ file);
+ if (size >= sizeof (file_xfrm)) {
+ LOG_ERROR("TCTI name truncated in transform.");
+ return TSS2_TCTI_RC_BAD_VALUE;
+ }
+ *handle = dlopen(file_xfrm, RTLD_NOW);
if (*handle == NULL) {
LOG_DEBUG("Failed to load TCTI for name \"%s\": %s", file, dlerror());
return TSS2_TCTI_RC_NOT_SUPPORTED;
diff --git a/test/unit/tctildr-dl.c b/test/unit/tctildr-dl.c
index 873a4531..c17b939e 100644
--- a/test/unit/tctildr-dl.c
+++ b/test/unit/tctildr-dl.c
@@ -223,6 +223,18 @@ test_get_info_default_success (void **state)
expect_value(__wrap_dlopen, flags, RTLD_NOW);
will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-default.so");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-libtss2-tcti-default.so.so.0");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-libtss2-tcti-default.so.so");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+
expect_string(__wrap_dlopen, filename, "libtss2-tcti-tabrmd.so.0");
expect_value(__wrap_dlopen, flags, RTLD_NOW);
will_return(__wrap_dlopen, HANDLE);
@@ -255,6 +267,18 @@ test_get_info_default_info_fail (void **state)
expect_value(__wrap_dlopen, flags, RTLD_NOW);
will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-default.so");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-libtss2-tcti-default.so.so.0");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-libtss2-tcti-default.so.so");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+
expect_string(__wrap_dlopen, filename, "libtss2-tcti-tabrmd.so.0");
expect_value(__wrap_dlopen, flags, RTLD_NOW);
will_return(__wrap_dlopen, HANDLE);
@@ -407,6 +431,15 @@ test_tcti_fail_all (void **state)
expect_string(__wrap_dlopen, filename, "libtss2-tcti-libtss2-tcti-default.so.so");
expect_value(__wrap_dlopen, flags, RTLD_NOW);
will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-default.so");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-libtss2-tcti-default.so.so.0");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-libtss2-tcti-default.so.so");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
/* Skip over libtss2-tcti-tabrmd.so */
expect_string(__wrap_dlopen, filename, "libtss2-tcti-tabrmd.so.0");
@@ -418,6 +451,15 @@ test_tcti_fail_all (void **state)
expect_string(__wrap_dlopen, filename, "libtss2-tcti-libtss2-tcti-tabrmd.so.0.so");
expect_value(__wrap_dlopen, flags, RTLD_NOW);
will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-tabrmd.so.0");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-libtss2-tcti-tabrmd.so.0.so.0");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-libtss2-tcti-tabrmd.so.0.so");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
/* Skip over libtss2-tcti-device.so, /dev/tpmrm0 */
expect_string(__wrap_dlopen, filename, "libtss2-tcti-device.so.0");
@@ -429,6 +471,15 @@ test_tcti_fail_all (void **state)
expect_string(__wrap_dlopen, filename, "libtss2-tcti-libtss2-tcti-device.so.0.so");
expect_value(__wrap_dlopen, flags, RTLD_NOW);
will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-device.so.0");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-libtss2-tcti-device.so.0.so.0");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-libtss2-tcti-device.so.0.so");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
/* Skip over libtss2-tcti-device.so, /dev/tpm0 */
expect_string(__wrap_dlopen, filename, "libtss2-tcti-device.so.0");
@@ -440,6 +491,15 @@ test_tcti_fail_all (void **state)
expect_string(__wrap_dlopen, filename, "libtss2-tcti-libtss2-tcti-device.so.0.so");
expect_value(__wrap_dlopen, flags, RTLD_NOW);
will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-device.so.0");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-libtss2-tcti-device.so.0.so.0");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-libtss2-tcti-device.so.0.so");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
/* Skip over libtss2-tcti-swtpm.so */
expect_string(__wrap_dlopen, filename, "libtss2-tcti-swtpm.so.0");
@@ -451,6 +511,15 @@ test_tcti_fail_all (void **state)
expect_string(__wrap_dlopen, filename, "libtss2-tcti-libtss2-tcti-swtpm.so.0.so");
expect_value(__wrap_dlopen, flags, RTLD_NOW);
will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-swtpm.so.0");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-libtss2-tcti-swtpm.so.0.so.0");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-libtss2-tcti-swtpm.so.0.so");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
/* Skip over libtss2-tcti-mssim.so */
expect_string(__wrap_dlopen, filename, "libtss2-tcti-mssim.so.0");
@@ -462,6 +531,15 @@ test_tcti_fail_all (void **state)
expect_string(__wrap_dlopen, filename, "libtss2-tcti-libtss2-tcti-mssim.so.0.so");
expect_value(__wrap_dlopen, flags, RTLD_NOW);
will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-mssim.so.0");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-libtss2-tcti-mssim.so.0.so.0");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-libtss2-tcti-mssim.so.0.so");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
TSS2_RC r;
TSS2_TCTI_CONTEXT *tcti;
@@ -490,6 +568,15 @@ test_info_from_name_handle_fail (void **state)
expect_string(__wrap_dlopen, filename, "libtss2-tcti-foo.so");
expect_value(__wrap_dlopen, flags, RTLD_NOW);
will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/foo");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-foo.so.0");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-foo.so");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
TSS2_RC rc = info_from_name ("foo", &info, &data);
assert_int_equal (rc, TSS2_TCTI_RC_NOT_SUPPORTED);
@@ -606,6 +693,15 @@ test_tctildr_get_info_from_name (void **state)
expect_string(__wrap_dlopen, filename, "libtss2-tcti-foo.so");
expect_value(__wrap_dlopen, flags, RTLD_NOW);
will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/foo");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-foo.so.0");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
+ expect_string(__wrap_dlopen, filename, "@PREFIX@/libtss2-tcti-foo.so");
+ expect_value(__wrap_dlopen, flags, RTLD_NOW);
+ will_return(__wrap_dlopen, NULL);
TSS2_RC rc = tctildr_get_info ("foo", &info, &data);
assert_int_equal (rc, TSS2_TCTI_RC_NOT_SUPPORTED);
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