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s3:smbstatus: pretty print the use of new signing/encryption algorithms

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Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Stefan Metzmacher 2021-05-06 23:55:49 +02:00
parent f435de5917
commit b576123dd9
5 changed files with 66 additions and 15 deletions
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1
source3/include/session.h
View File

@ -41,6 +41,7 @@ struct sessionid {
uint16_t connection_dialect;
uint8_t encryption_flags;
uint16_t cipher;
uint16_t signing;
uint8_t signing_flags;
};

1
source3/lib/sessionid_tdb.c
View File

@ -72,6 +72,7 @@ static int sessionid_traverse_read_fn(struct smbXsrv_session_global0 *global,
session.encryption_flags = global->encryption_flags;
session.cipher = global->channels[0].encryption_cipher;
session.signing_flags = global->signing_flags;
session.signing = global->channels[0].signing_algo;
return state->fn(NULL, &session, state->private_data);
}

3
source3/utils/conn_tdb.c
View File

@ -44,6 +44,7 @@ struct connections_forall_session {
fstring addr;
uint16_t cipher;
uint16_t dialect;
uint16_t signing;
uint8_t signing_flags;
};
@ -67,6 +68,7 @@ static int collect_sessions_fn(struct smbXsrv_session_global0 *global,
fstrcpy(sess.machine, global->channels[0].remote_name);
fstrcpy(sess.addr, global->channels[0].remote_address);
sess.cipher = global->channels[0].encryption_cipher;
sess.signing = global->channels[0].signing_algo;
sess.dialect = global->connection_dialect;
sess.signing_flags = global->signing_flags;
@ -133,6 +135,7 @@ static int traverse_tcon_fn(struct smbXsrv_tcon_global0 *global,
data.encryption_flags = global->encryption_flags;
data.cipher = sess.cipher;
data.dialect = sess.dialect;
data.signing = sess.signing;
data.signing_flags = global->signing_flags;
state->count++;

1
source3/utils/conn_tdb.h
View File

@ -37,6 +37,7 @@ struct connections_data {
uint16_t cipher;
uint16_t dialect;
uint8_t signing_flags;
uint16_t signing;
};
/* The following definitions come from lib/conn_tdb.c */

75
source3/utils/status.c
View File

@ -358,12 +358,23 @@ static int traverse_connections(const struct connections_key *key,
}
if (smbXsrv_is_signed(crec->signing_flags)) {
if (crec->dialect >= SMB3_DIALECT_REVISION_302) {
signing = "AES-128-CMAC";
} else if (crec->dialect >= SMB2_DIALECT_REVISION_202) {
signing = "HMAC-SHA256";
} else {
switch (crec->signing) {
case SMB2_SIGNING_MD5_SMB1:
signing = "HMAC-MD5";
break;
case SMB2_SIGNING_HMAC_SHA256:
signing = "HMAC-SHA256";
break;
case SMB2_SIGNING_AES128_CMAC:
signing = "AES-128-CMAC";
break;
case SMB2_SIGNING_AES128_GMAC:
signing = "AES-128-GMAC";
break;
default:
signing = "???";
result = -1;
break;
}
}
@ -450,6 +461,12 @@ static int traverse_sessionid(const char *key, struct sessionid *session,
case SMB2_ENCRYPTION_AES128_GCM:
encryption = "AES-128-GCM";
break;
case SMB2_ENCRYPTION_AES256_CCM:
encryption = "AES-256-CCM";
break;
case SMB2_ENCRYPTION_AES256_GCM:
encryption = "AES-256-GCM";
break;
default:
encryption = "???";
result = -1;
@ -466,6 +483,12 @@ static int traverse_sessionid(const char *key, struct sessionid *session,
case SMB2_ENCRYPTION_AES128_GCM:
encryption = "partial(AES-128-GCM)";
break;
case SMB2_ENCRYPTION_AES256_CCM:
encryption = "partial(AES-256-CCM)";
break;
case SMB2_ENCRYPTION_AES256_GCM:
encryption = "partial(AES-256-GCM)";
break;
default:
encryption = "???";
result = -1;
@ -474,20 +497,42 @@ static int traverse_sessionid(const char *key, struct sessionid *session,
}
if (smbXsrv_is_signed(session->signing_flags)) {
if (session->connection_dialect >= SMB3_DIALECT_REVISION_302) {
signing = "AES-128-CMAC";
} else if (session->connection_dialect >= SMB2_DIALECT_REVISION_202) {
signing = "HMAC-SHA256";
} else {
switch (session->signing) {
case SMB2_SIGNING_MD5_SMB1:
signing = "HMAC-MD5";
break;
case SMB2_SIGNING_HMAC_SHA256:
signing = "HMAC-SHA256";
break;
case SMB2_SIGNING_AES128_CMAC:
signing = "AES-128-CMAC";
break;
case SMB2_SIGNING_AES128_GMAC:
signing = "AES-128-GMAC";
break;
default:
signing = "???";
result = -1;
break;
}
} else if (smbXsrv_is_partially_signed(session->signing_flags)) {
if (session->connection_dialect >= SMB3_DIALECT_REVISION_302) {
signing = "partial(AES-128-CMAC)";
} else if (session->connection_dialect >= SMB2_DIALECT_REVISION_202) {
signing = "partial(HMAC-SHA256)";
} else {
switch (session->signing) {
case SMB2_SIGNING_MD5_SMB1:
signing = "partial(HMAC-MD5)";
break;
case SMB2_SIGNING_HMAC_SHA256:
signing = "partial(HMAC-SHA256)";
break;
case SMB2_SIGNING_AES128_CMAC:
signing = "partial(AES-128-CMAC)";
break;
case SMB2_SIGNING_AES128_GMAC:
signing = "partial(AES-128-GMAC)";
break;
default:
signing = "???";
result = -1;
break;
}
}