initial drop of phosphor-ipmi-blobs

This implements a majority of the OEM IPMI BLOBS protocol.  The only
piece missing from this is the timed expiration of sessions.

Change-Id: I82c9d17b625c94fc3340edcfabbbf1ffeb5ad7ac
Signed-off-by: Patrick Venture <venture@google.com>

1 files changed, 157 insertions, 0 deletions

diff --git a/test/ipmi_stat_unittest.cpp b/test/ipmi_stat_unittest.cpp
new file mode 100644
index 0000000..a6f1dfe
--- /dev/null
+++ b/test/ipmi_stat_unittest.cpp
@@ -0,0 +1,157 @@
+#include "ipmi.hpp"
+#include "manager_mock.hpp"
+
+#include <cstring>
+#include <string>
+
+#include <gtest/gtest.h>
+
+namespace blobs
+{
+
+using ::testing::_;
+using ::testing::Invoke;
+using ::testing::Matcher;
+using ::testing::NotNull;
+using ::testing::Return;
+using ::testing::StrEq;
+
+// ipmid.hpp isn't installed where we can grab it and this value is per BMC
+// SoC.
+#define MAX_IPMI_BUFFER 64
+
+TEST(BlobStatTest, InvalidRequestLengthReturnsFailure)
+{
+    // There is a minimum blobId length of one character, this test verifies
+    // we check that.
+
+    ManagerMock mgr;
+    size_t dataLen;
+    uint8_t request[MAX_IPMI_BUFFER] = {0};
+    uint8_t reply[MAX_IPMI_BUFFER] = {0};
+    auto req = reinterpret_cast<struct BmcBlobStatTx*>(request);
+    std::string blobId = "abc";
+
+    req->cmd = BlobOEMCommands::bmcBlobStat;
+    req->crc = 0;
+    // length() doesn't include the nul-terminator.
+    std::memcpy(req->blobId, blobId.c_str(), blobId.length());
+
+    dataLen = sizeof(struct BmcBlobStatTx) + blobId.length();
+
+    EXPECT_EQ(IPMI_CC_INVALID, statBlob(&mgr, request, reply, &dataLen));
+}
+
+TEST(BlobStatTest, RequestRejectedReturnsFailure)
+{
+    // The blobId is rejected for any reason.
+
+    ManagerMock mgr;
+    size_t dataLen;
+    uint8_t request[MAX_IPMI_BUFFER] = {0};
+    uint8_t reply[MAX_IPMI_BUFFER] = {0};
+    auto req = reinterpret_cast<struct BmcBlobStatTx*>(request);
+    std::string blobId = "a";
+
+    req->cmd = BlobOEMCommands::bmcBlobStat;
+    req->crc = 0;
+    // length() doesn't include the nul-terminator, request buff is initialized
+    // to 0s
+    std::memcpy(req->blobId, blobId.c_str(), blobId.length());
+
+    dataLen = sizeof(struct BmcBlobStatTx) + blobId.length() + 1;
+
+    EXPECT_CALL(mgr, stat(Matcher<const std::string&>(StrEq(blobId)),
+                          Matcher<struct BlobMeta*>(_)))
+        .WillOnce(Return(false));
+
+    EXPECT_EQ(IPMI_CC_INVALID, statBlob(&mgr, request, reply, &dataLen));
+}
+
+TEST(BlobStatTest, RequestSucceedsNoMetadata)
+{
+    // Stat request succeeeds but there were no metadata bytes.
+
+    ManagerMock mgr;
+    size_t dataLen;
+    uint8_t request[MAX_IPMI_BUFFER] = {0};
+    uint8_t reply[MAX_IPMI_BUFFER] = {0};
+    auto req = reinterpret_cast<struct BmcBlobStatTx*>(request);
+    std::string blobId = "a";
+
+    req->cmd = BlobOEMCommands::bmcBlobStat;
+    req->crc = 0;
+    // length() doesn't include the nul-terminator, request buff is initialized
+    // to 0s
+    std::memcpy(req->blobId, blobId.c_str(), blobId.length());
+
+    dataLen = sizeof(struct BmcBlobStatTx) + blobId.length() + 1;
+
+    struct BmcBlobStatRx rep;
+    rep.crc = 0x00;
+    rep.blobState = 0x01;
+    rep.size = 0x100;
+    rep.metadataLen = 0x00;
+
+    EXPECT_CALL(mgr, stat(Matcher<const std::string&>(StrEq(blobId)),
+                          Matcher<struct BlobMeta*>(NotNull())))
+        .WillOnce(Invoke([&](const std::string& path, struct BlobMeta* meta) {
+            meta->blobState = rep.blobState;
+            meta->size = rep.size;
+            return true;
+        }));
+
+    EXPECT_EQ(IPMI_CC_OK, statBlob(&mgr, request, reply, &dataLen));
+
+    EXPECT_EQ(sizeof(rep), dataLen);
+    EXPECT_EQ(0, std::memcmp(reply, &rep, sizeof(rep)));
+}
+
+TEST(BlobStatTest, RequestSucceedsWithMetadata)
+{
+    // Stat request succeeds and there were metadata bytes.
+
+    ManagerMock mgr;
+    size_t dataLen;
+    uint8_t request[MAX_IPMI_BUFFER] = {0};
+    uint8_t reply[MAX_IPMI_BUFFER] = {0};
+    auto req = reinterpret_cast<struct BmcBlobStatTx*>(request);
+    std::string blobId = "a";
+
+    req->cmd = BlobOEMCommands::bmcBlobStat;
+    req->crc = 0;
+    // length() doesn't include the nul-terminator, request buff is initialized
+    // to 0s
+    std::memcpy(req->blobId, blobId.c_str(), blobId.length());
+
+    dataLen = sizeof(struct BmcBlobStatTx) + blobId.length() + 1;
+
+    struct BlobMeta lmeta;
+    lmeta.blobState = 0x01;
+    lmeta.size = 0x100;
+    lmeta.metadata.push_back(0x01);
+    lmeta.metadata.push_back(0x02);
+    lmeta.metadata.push_back(0x03);
+    lmeta.metadata.push_back(0x04);
+
+    struct BmcBlobStatRx rep;
+    rep.crc = 0x00;
+    rep.blobState = lmeta.blobState;
+    rep.size = lmeta.size;
+    rep.metadataLen = lmeta.metadata.size();
+
+    EXPECT_CALL(mgr, stat(Matcher<const std::string&>(StrEq(blobId)),
+                          Matcher<struct BlobMeta*>(NotNull())))
+        .WillOnce(Invoke([&](const std::string& path, struct BlobMeta* meta) {
+            (*meta) = lmeta;
+            return true;
+        }));
+
+    EXPECT_EQ(IPMI_CC_OK, statBlob(&mgr, request, reply, &dataLen));
+
+    EXPECT_EQ(sizeof(rep) + lmeta.metadata.size(), dataLen);
+    EXPECT_EQ(0, std::memcmp(reply, &rep, sizeof(rep)));
+    EXPECT_EQ(0, std::memcmp(reply + sizeof(rep), lmeta.metadata.data(),
+                             lmeta.metadata.size()));
+}
+} // namespace blobs