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Message-Id: <20170803155515.99226-20-julien@cumulusnetworks.com>
Date: Thu, 3 Aug 2017 17:55:07 +0200
From: Julien Fortin <julien@...ulusnetworks.com>
To: netdev@...r.kernel.org
Cc: roopa@...ulusnetworks.com, nikolay@...ulusnetworks.com,
dsa@...ulusnetworks.com, Julien Fortin <julien@...ulusnetworks.com>
Subject: [PATCH 19/27] ip: ipmacsec.c: add json output support
From: Julien Fortin <julien@...ulusnetworks.com>
Schema
{
"sci": {
"type": "string",
"attr": "IFLA_MACSEC_SCI"
},
"protect": {
"type": "string",
"attr": "IFLA_MACSEC_PROTECT"
},
"cipher_suite": {
"type": "string",
"attr": "IFLA_MACSEC_CIPHER_SUITE"
},
"icv_len": {
"type": "uint",
"attr": "IFLA_MACSEC_ICV_LEN"
},
"encoding_sa": {
"type": "uint",
"attr": "IFLA_MACSEC_ENCODING_SA"
},
"validation": {
"type": "string",
"attr": "IFLA_MACSEC_VALIDATION"
},
"encrypt": {
"type": "string",
"attr": "IFLA_MACSEC_ENCRYPT"
},
"inc_sci": {
"type": "string",
"attr": "IFLA_MACSEC_INC_SCI"
},
"es": {
"type": "string",
"attr": "IFLA_MACSEC_ES"
},
"scb": {
"type": "string",
"attr": "IFLA_MACSEC_SCB"
},
"replay_protect": {
"type": "string",
"attr": "IFLA_MACSEC_REPLAY_PROTECT"
},
"window": {
"type": "int",
"attr": ""
}
}
Signed-off-by: Julien Fortin <julien@...ulusnetworks.com>
---
ip/ipmacsec.c | 84 ++++++++++++++++++++++++++++++++++++++++++++++-------------
1 file changed, 66 insertions(+), 18 deletions(-)
diff --git a/ip/ipmacsec.c b/ip/ipmacsec.c
index aa89a00f..ecc371a5 100644
--- a/ip/ipmacsec.c
+++ b/ip/ipmacsec.c
@@ -561,9 +561,14 @@ static int validate_secy_dump(struct rtattr **attrs)
static void print_flag(FILE *f, struct rtattr *attrs[], const char *desc,
int field)
{
- if (attrs[field])
- fprintf(f, "%s %s ", desc,
- values_on_off[!!rta_getattr_u8(attrs[field])]);
+ if (attrs[field]) {
+ const char *v = values_on_off[!!rta_getattr_u8(attrs[field])];
+
+ if (is_json_context())
+ print_string(PRINT_JSON, desc, NULL, v);
+ else
+ fprintf(f, "%s %s ", desc, v);
+ }
}
#define DEFAULT_CIPHER_NAME "GCM-AES-128"
@@ -1017,8 +1022,16 @@ static void macsec_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
return;
if (tb[IFLA_MACSEC_SCI]) {
- fprintf(f, "sci %016llx ",
- ntohll(rta_getattr_u64(tb[IFLA_MACSEC_SCI])));
+ if (is_json_context()) {
+ SPRINT_BUF(b1);
+
+ snprintf(b1, sizeof(b1), "%016llx",
+ ntohll(rta_getattr_u64(tb[IFLA_MACSEC_SCI])));
+ print_string(PRINT_JSON, "sci", NULL, b1);
+ } else {
+ fprintf(f, "sci %016llx ",
+ ntohll(rta_getattr_u64(tb[IFLA_MACSEC_SCI])));
+ }
}
print_flag(f, tb, "protect", IFLA_MACSEC_PROTECT);
@@ -1026,35 +1039,70 @@ static void macsec_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
if (tb[IFLA_MACSEC_CIPHER_SUITE]) {
__u64 csid = rta_getattr_u64(tb[IFLA_MACSEC_CIPHER_SUITE]);
- fprintf(f, "cipher %s ", cs_id_to_name(csid));
+ print_string(PRINT_ANY,
+ "cipher_suite",
+ "cipher %s ",
+ cs_id_to_name(csid));
}
if (tb[IFLA_MACSEC_ICV_LEN]) {
- fprintf(f, "icvlen %hhu ",
- rta_getattr_u8(tb[IFLA_MACSEC_ICV_LEN]));
+ if (is_json_context()) {
+ char b2[4];
+
+ snprintf(b2, sizeof(b2), "%hhu",
+ rta_getattr_u8(tb[IFLA_MACSEC_ICV_LEN]));
+ print_uint(PRINT_JSON, "icv_len", NULL, atoi(b2));
+ } else {
+ fprintf(f, "icvlen %hhu ",
+ rta_getattr_u8(tb[IFLA_MACSEC_ICV_LEN]));
+ }
}
if (tb[IFLA_MACSEC_ENCODING_SA]) {
- fprintf(f, "encodingsa %hhu ",
- rta_getattr_u8(tb[IFLA_MACSEC_ENCODING_SA]));
+ if (is_json_context()) {
+ char b2[4];
+
+ snprintf(b2, sizeof(b2), "%hhu",
+ rta_getattr_u8(tb[IFLA_MACSEC_ENCODING_SA]));
+ print_uint(PRINT_JSON, "encoding_sa", NULL, atoi(b2));
+ } else {
+ fprintf(f, "encodingsa %hhu ",
+ rta_getattr_u8(tb[IFLA_MACSEC_ENCODING_SA]));
+ }
}
if (tb[IFLA_MACSEC_VALIDATION]) {
__u8 val = rta_getattr_u8(tb[IFLA_MACSEC_VALIDATION]);
- fprintf(f, "validate %s ", VALIDATE_STR[val]);
+ print_string(PRINT_ANY,
+ "validation",
+ "validate %s ",
+ VALIDATE_STR[val]);
+ }
+
+ const char *inc_sci, *es, *replay;
+
+ if (is_json_context()) {
+ inc_sci = "inc_sci";
+ replay = "replay_protect";
+ es = "es";
+ } else {
+ inc_sci = "send_sci";
+ es = "end_station";
+ replay = "replay";
}
print_flag(f, tb, "encrypt", IFLA_MACSEC_ENCRYPT);
- print_flag(f, tb, "send_sci", IFLA_MACSEC_INC_SCI);
- print_flag(f, tb, "end_station", IFLA_MACSEC_ES);
+ print_flag(f, tb, inc_sci, IFLA_MACSEC_INC_SCI);
+ print_flag(f, tb, es, IFLA_MACSEC_ES);
print_flag(f, tb, "scb", IFLA_MACSEC_SCB);
+ print_flag(f, tb, replay, IFLA_MACSEC_REPLAY_PROTECT);
- print_flag(f, tb, "replay", IFLA_MACSEC_REPLAY_PROTECT);
- if (tb[IFLA_MACSEC_WINDOW]) {
- fprintf(f, "window %d ",
- rta_getattr_u32(tb[IFLA_MACSEC_WINDOW]));
- }
+ if (tb[IFLA_MACSEC_WINDOW])
+ print_int(PRINT_ANY,
+ "window",
+ "window %d ",
+ rta_getattr_u32(tb[IFLA_MACSEC_WINDOW]));
}
static bool check_txsc_flags(bool es, bool scb, bool sci)
--
2.13.3
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