Esempio n. 1
0
SEXP_t *probe_rcache_sexp_get(probe_rcache_t *cache, const SEXP_t * id)
{
        char    b[128], *k = b;
        SEXP_t *r = NULL;

        if (SEXP_string_cstr_r(id, k, sizeof b) == ((size_t)-1))
                k = SEXP_string_cstr(id);

        if (k == NULL)
                return(NULL);

        rbt_str_get(cache->tree, k, (void *)&r);

        if (k != b)
                free(k);

        return (r != NULL ? SEXP_ref(r) : NULL);
}
Esempio n. 2
0
int partition_probe_main(probe_ctx *ctx, void *probe_arg)
{
        int probe_ret = 0;
        SEXP_t *mnt_entity, *mnt_opval, *mnt_entval, *probe_in;
        char    mnt_path[PATH_MAX];
        oval_operation_t mnt_op;
        FILE *mnt_fp;
        oval_schema_version_t obj_over;
#if defined(PROC_CHECK) && defined(__linux__)
        int   mnt_fd;
        struct statfs stfs;

        mnt_fd = open(MTAB_PATH, O_RDONLY);

        if (mnt_fd < 0)
                return (PROBE_ESYSTEM);

        if (fstatfs(mnt_fd, &stfs) != 0) {
                close(mnt_fd);
                return (PROBE_ESYSTEM);
        }

        if (stfs.f_type != PROC_SUPER_MAGIC) {
                close(mnt_fd);
                return (PROBE_EFATAL);
        }

        mnt_fp = fdopen(mnt_fd, "r");

        if (mnt_fp == NULL) {
                close(mnt_fd);
                return (PROBE_ESYSTEM);
        }
#else
        mnt_fp = fopen(MTAB_PATH, "r");

        if (mnt_fp == NULL)
                return (PROBE_ESYSTEM);
#endif
        probe_in   = probe_ctx_getobject(ctx);
        obj_over   = probe_obj_get_platform_schema_version(probe_in);
        mnt_entity = probe_obj_getent(probe_in, "mount_point", 1);

        if (mnt_entity == NULL) {
                fclose(mnt_fp);
                return (PROBE_ENOENT);
        }

        mnt_opval = probe_ent_getattrval(mnt_entity, "operation");

        if (mnt_opval != NULL) {
                mnt_op = (oval_operation_t)SEXP_number_geti(mnt_opval);
                SEXP_free(mnt_opval);
        } else
                mnt_op = OVAL_OPERATION_EQUALS;

        mnt_entval = probe_ent_getval(mnt_entity);

        if (!SEXP_stringp(mnt_entval)) {
                SEXP_free(mnt_entval);
                SEXP_free(mnt_entity);
		fclose(mnt_fp);
                return (PROBE_EINVAL);
        }

        SEXP_string_cstr_r(mnt_entval, mnt_path, sizeof mnt_path);
        SEXP_free(mnt_entval);
        SEXP_free(mnt_entity);

        if (mnt_fp != NULL) {
                char buffer[MTAB_LINE_MAX];
                struct mntent mnt_ent, *mnt_entp;

                pcre *re = NULL;
                const char *estr = NULL;
                int eoff = -1;
#if defined(HAVE_BLKID_GET_TAG_VALUE)
                blkid_cache blkcache;

                if (blkid_get_cache(&blkcache, NULL) != 0) {
                        endmntent(mnt_fp);
                        return (PROBE_EUNKNOWN);
                }
#endif
                if (mnt_op == OVAL_OPERATION_PATTERN_MATCH) {
                        re = pcre_compile(mnt_path, PCRE_UTF8, &estr, &eoff, NULL);

                        if (re == NULL) {
                                endmntent(mnt_fp);
                                return (PROBE_EINVAL);
                        }
                }

                while ((mnt_entp = getmntent_r(mnt_fp, &mnt_ent,
                                               buffer, sizeof buffer)) != NULL)
                {
			if (strcmp(mnt_entp->mnt_type, "rootfs") == 0)
			    continue;

                        if (mnt_op == OVAL_OPERATION_EQUALS) {
                                if (strcmp(mnt_entp->mnt_dir, mnt_path) == 0) {
#if defined(HAVE_BLKID_GET_TAG_VALUE)
	                                collect_item(ctx, obj_over, mnt_entp, blkcache);
#else
	                                collect_item(ctx, obj_over, mnt_entp);
#endif
                                        break;
                                }
			} else if (mnt_op == OVAL_OPERATION_NOT_EQUAL) {
				if (strcmp(mnt_entp->mnt_dir, mnt_path) != 0) {
					if (
#if defined(HAVE_BLKID_GET_TAG_VALUE)
						collect_item(ctx, obj_over, mnt_entp, blkcache)
#else
						collect_item(ctx, obj_over, mnt_entp)
#endif
					!= 0)
						break;
                                }
                        } else if (mnt_op == OVAL_OPERATION_PATTERN_MATCH) {
                                int rc;

                                rc = pcre_exec(re, NULL, mnt_entp->mnt_dir,
                                               strlen(mnt_entp->mnt_dir), 0, 0, NULL, 0);

                                if (rc == 0) {
	                                if (
#if defined(HAVE_BLKID_GET_TAG_VALUE)
		                                collect_item(ctx, obj_over, mnt_entp, blkcache)
#else
		                                collect_item(ctx, obj_over, mnt_entp)
#endif
                                        != 0)
		                                break;
                                }
                                /* XXX: check for pcre_exec error */
                        }
                }

                endmntent(mnt_fp);

                if (mnt_op == OVAL_OPERATION_PATTERN_MATCH)
                        pcre_free(re);
        }

        return (probe_ret);
}
Esempio n. 3
0
static struct oval_sysent *oval_sexp_to_sysent(struct oval_syschar_model *model, struct oval_sysitem *item, SEXP_t * sexp, struct oval_string_map *mask_map)
{
	char *key;
	oval_syschar_status_t status;
	oval_datatype_t dt;
	struct oval_sysent *ent;

	key = probe_ent_getname(sexp);
	if (!key)
		return NULL;

	if (strcmp("message", key) == 0 && item != NULL) {
	    struct oval_message *msg;
	    oval_message_level_t lvl;
	    SEXP_t *lvl_sexp, *txt_sexp;
	    char txt[1024];

	    lvl_sexp = probe_obj_getattrval(sexp, "level");
	    lvl = SEXP_number_getu_32(lvl_sexp);

	    txt_sexp = probe_ent_getval(sexp);
	    SEXP_string_cstr_r(txt_sexp, txt, sizeof txt);

	    SEXP_vfree(lvl_sexp, txt_sexp);

	    /* TODO: sanity checks */

	    msg = oval_message_new();

	    oval_message_set_level(msg, lvl);
	    oval_message_set_text(msg, txt);
	    oval_sysitem_add_message(item, msg);

	    return (NULL);
	}

	status = probe_ent_getstatus(sexp);
	dt = probe_ent_getdatatype(sexp);

	ent = oval_sysent_new(model);
	oval_sysent_set_name(ent, key);
	oval_sysent_set_status(ent, status);
	oval_sysent_set_datatype(ent, dt);
	if (mask_map == NULL || oval_string_map_get_value(mask_map, key) == NULL)
		oval_sysent_set_mask(ent, 0);
	else
		oval_sysent_set_mask(ent, 1);

	if (status != SYSCHAR_STATUS_EXISTS)
		return ent;

	if (dt == OVAL_DATATYPE_RECORD) {
		SEXP_t *srf, *srfs;

		probe_ent_getvals(sexp, &srfs);
		SEXP_list_foreach(srf, srfs) {
			struct oval_record_field *rf;

			rf = oval_record_field_ITEM_from_sexp(srf);
			oval_sysent_add_record_field(ent, rf);
		}
		SEXP_free(srfs);
	} else {