Ejemplo n.º 1
0
/**
 *  \internal
 *  \brief Write meta data on a single line json record
 */
static void FileWriteJsonRecord(JsonFileLogThread *aft, const Packet *p, const File *ff) {
    MemBuffer *buffer = (MemBuffer *)aft->buffer;
    json_t *js = CreateJSONHeader((Packet *)p, 0, "file"); //TODO const
    if (unlikely(js == NULL))
        return;

    /* reset */
    MemBufferReset(buffer);

    json_t *hjs = json_object();
    if (unlikely(hjs == NULL)) {
        json_decref(js);
        return;
    }

    json_object_set_new(hjs, "url", LogFileMetaGetUri(p, ff));
    json_object_set_new(hjs, "hostname", LogFileMetaGetHost(p, ff));
    json_object_set_new(hjs, "http_refer", LogFileMetaGetReferer(p, ff));
    json_object_set_new(hjs, "http_user_agent", LogFileMetaGetUserAgent(p, ff));
    json_object_set_new(js, "http", hjs);

    json_t *fjs = json_object();
    if (unlikely(fjs == NULL)) {
        json_decref(hjs);
        json_decref(js);
        return;
    }

    char *s = BytesToString(ff->name, ff->name_len);
    json_object_set_new(fjs, "filename", json_string(s));
    if (s != NULL)
        SCFree(s);
    if (ff->magic)
        json_object_set_new(fjs, "magic", json_string((char *)ff->magic));
    else
        json_object_set_new(fjs, "magic", json_string("unknown"));
    switch (ff->state) {
        case FILE_STATE_CLOSED:
            json_object_set_new(fjs, "state", json_string("CLOSED"));
#ifdef HAVE_NSS
            if (ff->flags & FILE_MD5) {
                size_t x;
                int i;
                char *s = SCMalloc(256);
                if (likely(s != NULL)) {
                    for (i = 0, x = 0; x < sizeof(ff->md5); x++) {
                        i += snprintf(&s[i], 255-i, "%02x", ff->md5[x]);
                    }
                    json_object_set_new(fjs, "md5", json_string(s));
                    SCFree(s);
                }
            }
#endif
            break;
        case FILE_STATE_TRUNCATED:
            json_object_set_new(fjs, "state", json_string("TRUNCATED"));
            break;
        case FILE_STATE_ERROR:
            json_object_set_new(fjs, "state", json_string("ERROR"));
            break;
        default:
            json_object_set_new(fjs, "state", json_string("UNKNOWN"));
            break;
    }
    json_object_set_new(fjs, "stored",
                        (ff->flags & FILE_STORED) ? json_true() : json_false());
    json_object_set_new(fjs, "size", json_integer(ff->size));

    json_object_set_new(js, "file", fjs);
    OutputJSONBuffer(js, aft->filelog_ctx->file_ctx, buffer);
    json_object_del(js, "file");
    json_object_del(js, "http");

    json_object_clear(js);
    json_decref(js);
}
Ejemplo n.º 2
0
/**
 *  \internal
 *  \brief Write meta data on a single line json record
 */
static void LogFileWriteJsonRecord(LogFileLogThread *aft, const Packet *p, const File *ff, int ipver)
{
    SCMutexLock(&aft->file_ctx->fp_mutex);

    /* As writes are done via the LogFileCtx, check for rotation here. */
    if (aft->file_ctx->rotation_flag) {
        aft->file_ctx->rotation_flag = 0;
        if (SCConfLogReopen(aft->file_ctx) != 0) {
            SCLogWarning(SC_ERR_FOPEN, "Failed to re-open log file. "
                "Logging for this module will be disabled.");
        }
    }

    /* Bail early if no file pointer to write to (in the unlikely
     * event file rotation failed. */
    if (aft->file_ctx->fp == NULL) {
        SCMutexUnlock(&aft->file_ctx->fp_mutex);
        return;
    }

    FILE *fp = aft->file_ctx->fp;
    char timebuf[64];
    AppProto alproto = FlowGetAppProtocol(p->flow);

    CreateTimeString(&p->ts, timebuf, sizeof(timebuf));

    fprintf(fp, "{ ");

    if (ff->file_id > 0)
        fprintf(fp, "\"id\": %u, ", ff->file_id);

    fprintf(fp, "\"timestamp\": \"");
    PrintRawJsonFp(fp, (uint8_t *)timebuf, strlen(timebuf));
    fprintf(fp, "\", ");
    if (p->pcap_cnt > 0) {
        fprintf(fp, "\"pcap_pkt_num\": %"PRIu64", ", p->pcap_cnt);
    }

    fprintf(fp, "\"ipver\": %d, ", ipver == AF_INET ? 4 : 6);

    char srcip[46], dstip[46];
    Port sp, dp;
    switch (ipver) {
        case AF_INET:
            PrintInet(AF_INET, (const void *)GET_IPV4_SRC_ADDR_PTR(p), srcip, sizeof(srcip));
            PrintInet(AF_INET, (const void *)GET_IPV4_DST_ADDR_PTR(p), dstip, sizeof(dstip));
            break;
        case AF_INET6:
            PrintInet(AF_INET6, (const void *)GET_IPV6_SRC_ADDR(p), srcip, sizeof(srcip));
            PrintInet(AF_INET6, (const void *)GET_IPV6_DST_ADDR(p), dstip, sizeof(dstip));
            break;
        default:
            strlcpy(srcip, "<unknown>", sizeof(srcip));
            strlcpy(dstip, "<unknown>", sizeof(dstip));
            break;
    }
    sp = p->sp;
    dp = p->dp;

    fprintf(fp, "\"srcip\": \"%s\", ", srcip);
    fprintf(fp, "\"dstip\": \"%s\", ", dstip);
    fprintf(fp, "\"protocol\": %" PRIu32 ", ", p->proto);
    if (PKT_IS_TCP(p) || PKT_IS_UDP(p)) {
        fprintf(fp, "\"sp\": %" PRIu16 ", ", sp);
        fprintf(fp, "\"dp\": %" PRIu16 ", ", dp);
    }

    if (alproto == ALPROTO_HTTP) {
        fprintf(fp, "\"http_uri\": \"");
        LogFileMetaGetUri(fp, p, ff);
        fprintf(fp, "\", ");

        fprintf(fp, "\"http_host\": \"");
        LogFileMetaGetHost(fp, p, ff);
        fprintf(fp, "\", ");

        fprintf(fp, "\"http_referer\": \"");
        LogFileMetaGetReferer(fp, p, ff);
        fprintf(fp, "\", ");

        fprintf(fp, "\"http_user_agent\": \"");
        LogFileMetaGetUserAgent(fp, p, ff);
        fprintf(fp, "\", ");
    } else if (p->flow->alproto == ALPROTO_SMTP) {
        /* Only applicable to SMTP */
        LogFileMetaGetSmtp(fp, p, ff);
    }

    fprintf(fp, "\"filename\": \"");
    PrintRawJsonFp(fp, ff->name, ff->name_len);
    fprintf(fp, "\", ");
#ifdef HAVE_MAGIC
    fprintf(fp, "\"magic\": \"");
    if (ff->magic) {
        PrintRawJsonFp(fp, (uint8_t *)ff->magic, strlen(ff->magic));
    } else {
        fprintf(fp, "unknown");
    }
    fprintf(fp, "\", ");
#endif
    switch (ff->state) {
        case FILE_STATE_CLOSED:
            fprintf(fp, "\"state\": \"CLOSED\", ");
#ifdef HAVE_NSS
            if (ff->flags & FILE_MD5) {
                fprintf(fp, "\"md5\": \"");
                size_t x;
                for (x = 0; x < sizeof(ff->md5); x++) {
                    fprintf(fp, "%02x", ff->md5[x]);
                }
                fprintf(fp, "\", ");
            }
            if (ff->flags & FILE_SHA1) {
                fprintf(fp, "\"sha1\": \"");
                size_t x;
                for (x = 0; x < sizeof(ff->sha1); x++) {
                    fprintf(fp, "%02x", ff->sha1[x]);
                }
                fprintf(fp, "\", ");
            }
            if (ff->flags & FILE_SHA256) {
                fprintf(fp, "\"sha256\": \"");
                size_t x;
                for (x = 0; x < sizeof(ff->sha256); x++) {
                    fprintf(fp, "%02x", ff->sha256[x]);
                }
                fprintf(fp, "\", ");
            }
#endif
            break;
        case FILE_STATE_TRUNCATED:
            fprintf(fp, "\"state\": \"TRUNCATED\", ");
            break;
        case FILE_STATE_ERROR:
            fprintf(fp, "\"state\": \"ERROR\", ");
            break;
        default:
            fprintf(fp, "\"state\": \"UNKNOWN\", ");
            break;
    }
    fprintf(fp, "\"stored\": %s, ", ff->flags & FILE_STORED ? "true" : "false");
    fprintf(fp, "\"size\": %"PRIu64" ", FileSize(ff));
    fprintf(fp, "}\n");
    fflush(fp);
    SCMutexUnlock(&aft->file_ctx->fp_mutex);
}
Ejemplo n.º 3
0
/**
 *  \internal
 *  \brief Write meta data on a single line json record
 */
static void LogFileWriteJsonRecord(LogFileLogThread *aft, Packet *p, File *ff, int ipver) {
    SCMutexLock(&aft->file_ctx->fp_mutex);

    FILE *fp = aft->file_ctx->fp;
    char timebuf[64];
    CreateTimeString(&p->ts, timebuf, sizeof(timebuf));

    fprintf(fp, "{ ");

    if (ff->file_id > 0)
        fprintf(fp, "\"id\": %u, ", ff->file_id);

    fprintf(fp, "\"timestamp\": \"");
    PrintRawJsonFp(fp, (uint8_t *)timebuf, strlen(timebuf));
    fprintf(fp, "\", ");
    if (p->pcap_cnt > 0) {
        fprintf(fp, "\"pcap_pkt_num\": %"PRIu64", ", p->pcap_cnt);
    }

    fprintf(fp, "\"ipver\": %d, ", ipver == AF_INET ? 4 : 6);

    char srcip[46], dstip[46];
    Port sp, dp;
    switch (ipver) {
        case AF_INET:
            PrintInet(AF_INET, (const void *)GET_IPV4_SRC_ADDR_PTR(p), srcip, sizeof(srcip));
            PrintInet(AF_INET, (const void *)GET_IPV4_DST_ADDR_PTR(p), dstip, sizeof(dstip));
            break;
        case AF_INET6:
            PrintInet(AF_INET6, (const void *)GET_IPV6_SRC_ADDR(p), srcip, sizeof(srcip));
            PrintInet(AF_INET6, (const void *)GET_IPV6_DST_ADDR(p), dstip, sizeof(dstip));
            break;
        default:
            strlcpy(srcip, "<unknown>", sizeof(srcip));
            strlcpy(dstip, "<unknown>", sizeof(dstip));
            break;
    }
    sp = p->sp;
    dp = p->dp;

    fprintf(fp, "\"srcip\": \"%s\", ", srcip);
    fprintf(fp, "\"dstip\": \"%s\", ", dstip);
    fprintf(fp, "\"protocol\": %" PRIu32 ", ", p->proto);
    if (PKT_IS_TCP(p) || PKT_IS_UDP(p)) {
        fprintf(fp, "\"sp\": %" PRIu16 ", ", sp);
        fprintf(fp, "\"dp\": %" PRIu16 ", ", dp);
    }

    fprintf(fp, "\"http_uri\": \"");
    LogFileMetaGetUri(fp, p, ff);
    fprintf(fp, "\", ");

    fprintf(fp, "\"http_host\": \"");
    LogFileMetaGetHost(fp, p, ff);
    fprintf(fp, "\", ");

    fprintf(fp, "\"http_referer\": \"");
    LogFileMetaGetReferer(fp, p, ff);
    fprintf(fp, "\", ");

    fprintf(fp, "\"http_user_agent\": \"");
    LogFileMetaGetUserAgent(fp, p, ff);
    fprintf(fp, "\", ");

    fprintf(fp, "\"filename\": \"");
    PrintRawJsonFp(fp, ff->name, ff->name_len);
    fprintf(fp, "\", ");

    fprintf(fp, "\"magic\": \"");
    if (ff->magic) {
        PrintRawJsonFp(fp, (uint8_t *)ff->magic, strlen(ff->magic));
    } else {
        fprintf(fp, "unknown");
    }
    fprintf(fp, "\", ");

    switch (ff->state) {
        case FILE_STATE_CLOSED:
            fprintf(fp, "\"state\": \"CLOSED\", ");
#ifdef HAVE_NSS
            if (ff->flags & FILE_MD5) {
                fprintf(fp, "\"md5\": \"");
                size_t x;
                for (x = 0; x < sizeof(ff->md5); x++) {
                    fprintf(fp, "%02x", ff->md5[x]);
                }
                fprintf(fp, "\", ");
            }
#endif
            break;
        case FILE_STATE_TRUNCATED:
            fprintf(fp, "\"state\": \"TRUNCATED\", ");
            break;
        case FILE_STATE_ERROR:
            fprintf(fp, "\"state\": \"ERROR\", ");
            break;
        default:
            fprintf(fp, "\"state\": \"UNKNOWN\", ");
            break;
    }
    fprintf(fp, "\"stored\": %s, ", ff->flags & FILE_STORED ? "true" : "false");
    fprintf(fp, "\"size\": %"PRIu64" ", ff->size);
    fprintf(fp, "}\n");
    fflush(fp);
    SCMutexUnlock(&aft->file_ctx->fp_mutex);
}