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ip: ipmacsec.c: add json output support

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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@cumulusnetworks.com>
This commit is contained in:
Julien Fortin 2017-08-17 10:36:06 -07:00 committed by Stephen Hemminger
parent 2f26065e25
commit c339834682
1 changed files with 66 additions and 18 deletions
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84
ip/ipmacsec.c
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@ -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)