Ejemplo n.º 1
0
/** @private */
SR_PRIV int sr_sessionfile_check(const char *filename)
{
	struct zip *archive;
	struct zip_file *zf;
	struct zip_stat zs;
	uint64_t version;
	int ret;
	char s[11];

	if (!filename)
		return SR_ERR_ARG;

	if (!g_file_test(filename, G_FILE_TEST_IS_REGULAR)) {
		sr_err("Not a regular file: %s.", filename);
		return SR_ERR;
	}

	if (!(archive = zip_open(filename, 0, NULL)))
		/* No logging: this can be used just to check if it's
		 * a sigrok session file or not. */
		return SR_ERR;

	/* check "version" */
	if (!(zf = zip_fopen(archive, "version", 0))) {
		sr_dbg("Not a sigrok session file: no version found.");
		zip_discard(archive);
		return SR_ERR;
	}
	ret = zip_fread(zf, s, sizeof(s) - 1);
	if (ret < 0) {
		sr_err("Failed to read version file: %s",
			zip_file_strerror(zf));
		zip_fclose(zf);
		zip_discard(archive);
		return SR_ERR;
	}
	zip_fclose(zf);
	s[ret] = '\0';
	version = g_ascii_strtoull(s, NULL, 10);
	if (version == 0 || version > 2) {
		sr_dbg("Cannot handle sigrok session file version %" PRIu64 ".",
			version);
		zip_discard(archive);
		return SR_ERR;
	}
	sr_spew("Detected sigrok session file version %" PRIu64 ".", version);

	/* read "metadata" */
	if (zip_stat(archive, "metadata", 0, &zs) < 0) {
		sr_dbg("Not a valid sigrok session file.");
		zip_discard(archive);
		return SR_ERR;
	}
	zip_discard(archive);

	return SR_OK;
}
Ejemplo n.º 2
0
void ZipReader::close()
{
	if (m_archive) {
		zip_discard(m_archive);
		m_archive = 0;
	}
}
Ejemplo n.º 3
0
static void vfs_zipfile_free_tls(VFSZipFileTLS *tls) {
	if(tls->zip) {
		zip_discard(tls->zip);
	}

	if(tls->stream) {
		SDL_RWclose(tls->stream);
	}

	free(tls);
}
Ejemplo n.º 4
0
zip_t *
_zip_open(zip_source_t *src, unsigned int flags, zip_error_t *error)
{
    zip_t *za;
    zip_cdir_t *cdir;
    struct zip_stat st;
    zip_uint64_t len;

    zip_stat_init(&st);
    if (zip_source_stat(src, &st) < 0) {
	_zip_error_set_from_source(error, src);
	return NULL;
    }
    if ((st.valid & ZIP_STAT_SIZE) == 0) {
	zip_error_set(error, ZIP_ER_SEEK, EOPNOTSUPP);
	return NULL;
    }
    len = st.size;

    /* treat empty files as empty archives */
    if (len == 0) {
	if ((za=_zip_allocate_new(src, flags, error)) == NULL) {
	    zip_source_free(src);
	    return NULL;
	}

	return za;
    }

    if ((za=_zip_allocate_new(src, flags, error)) == NULL) {
        return NULL;
    }
    
    if ((cdir = _zip_find_central_dir(za, len)) == NULL) {
        _zip_error_copy(error, &za->error);
	/* keep src so discard does not get rid of it */
	zip_source_keep(src);
	zip_discard(za);
	return NULL;
    }

    za->entry = cdir->entry;
    za->nentry = cdir->nentry;
    za->nentry_alloc = cdir->nentry_alloc;
    za->comment_orig = cdir->comment;
    
    za->ch_flags = za->flags;

    free(cdir);

    return za;
}
Ejemplo n.º 5
0
static struct zip *
_zip_allocate_new(const char *fn, unsigned int flags, int *zep)
{
    struct zip *za;
    struct zip_error error;

    if ((za=_zip_new(&error)) == NULL) {
	set_error(zep, &error, 0);
	return NULL;
    }

    if (fn == NULL)
	za->zn = NULL;
    else {
	za->zn = strdup(fn);
	if (!za->zn) {
	    zip_discard(za);
	    set_error(zep, NULL, ZIP_ER_MEMORY);
	    return NULL;
	}
    }
    za->open_flags = flags;
    return za;
}
Ejemplo n.º 6
0
ZIP_EXTERN int
zip_close(zip_t *za)
{
    zip_uint64_t i, j, survivors;
    zip_int64_t off;
    int error;
    zip_filelist_t *filelist;
    int changed;

    if (za == NULL)
	return -1;

    changed = _zip_changed(za, &survivors);

    /* don't create zip files with no entries */
    if (survivors == 0) {
	if ((za->open_flags & ZIP_TRUNCATE) || changed) {
	    if (zip_source_remove(za->src) < 0) {
		_zip_error_set_from_source(&za->error, za->src);
		return -1;
	    }
	}
	zip_discard(za);
	return 0;
    }	       

    if (!changed) {
	zip_discard(za);
	return 0;
    }

    if (survivors > za->nentry) {
        zip_error_set(&za->error, ZIP_ER_INTERNAL, 0);
        return -1;
    }
    
    if ((filelist=(zip_filelist_t *)malloc(sizeof(filelist[0])*(size_t)survivors)) == NULL)
	return -1;

    /* create list of files with index into original archive  */
    for (i=j=0; i<za->nentry; i++) {
	if (za->entry[i].deleted)
	    continue;

        if (j >= survivors) {
            free(filelist);
            zip_error_set(&za->error, ZIP_ER_INTERNAL, 0);
            return -1;
        }
        
	filelist[j].idx = i;
	j++;
    }
    if (j < survivors) {
        free(filelist);
        zip_error_set(&za->error, ZIP_ER_INTERNAL, 0);
        return -1;
    }

    if (zip_source_begin_write(za->src) < 0) {
	_zip_error_set_from_source(&za->error, za->src);
	free(filelist);
	return -1;
    }
    
    error = 0;
    for (j=0; j<survivors; j++) {
	int new_data;
	zip_entry_t *entry;
	zip_dirent_t *de;

	i = filelist[j].idx;
	entry = za->entry+i;

	new_data = (ZIP_ENTRY_DATA_CHANGED(entry) || ZIP_ENTRY_CHANGED(entry, ZIP_DIRENT_COMP_METHOD));

	/* create new local directory entry */
	if (entry->changes == NULL) {
	    if ((entry->changes=_zip_dirent_clone(entry->orig)) == NULL) {
                zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
                error = 1;
                break;
	    }
	}
	de = entry->changes;

	if (_zip_read_local_ef(za, i) < 0) {
	    error = 1;
	    break;
	}

        if ((off = zip_source_tell_write(za->src)) < 0) {
            error = 1;
            break;
        }
        de->offset = (zip_uint64_t)off;

	if (new_data) {
	    zip_source_t *zs;

	    zs = NULL;
	    if (!ZIP_ENTRY_DATA_CHANGED(entry)) {
		if ((zs=_zip_source_zip_new(za, za, i, ZIP_FL_UNCHANGED, 0, 0, NULL)) == NULL) {
		    error = 1;
		    break;
		}
	    }

	    /* add_data writes dirent */
	    if (add_data(za, zs ? zs : entry->source, de) < 0) {
		error = 1;
		if (zs)
		    zip_source_free(zs);
		break;
	    }
	    if (zs)
		zip_source_free(zs);
	}
	else {
	    zip_uint64_t offset;

	    /* when copying data, all sizes are known -> no data descriptor needed */
	    de->bitflags &= (zip_uint16_t)~ZIP_GPBF_DATA_DESCRIPTOR;
	    if (_zip_dirent_write(za, de, ZIP_FL_LOCAL) < 0) {
		error = 1;
		break;
	    }
	    if ((offset=_zip_file_get_offset(za, i, &za->error)) == 0) {
		error = 1;
		break;
	    }
	    if (zip_source_seek(za->src, (zip_int64_t)offset, SEEK_SET) < 0) {
		_zip_error_set_from_source(&za->error, za->src);
		error = 1;
		break;
	    }
	    if (copy_data(za, de->comp_size) < 0) {
		error = 1;
		break;
	    }
	}
    }

    if (!error) {
	if (write_cdir(za, filelist, survivors) < 0)
	    error = 1;
    }

    free(filelist);

    if (!error) {
	if (zip_source_commit_write(za->src) != 0) {
	    _zip_error_set_from_source(&za->error, za->src);
	    error = 1;
	}
    }

    if (error) {
	zip_source_rollback_write(za->src);
	return -1;
    }

    zip_discard(za);
    
    return 0;
}
Ejemplo n.º 7
0
ZIP_EXTERN int
zip_close(struct zip *za)
{
    zip_uint64_t i, j, survivors;
    int error;
    char *temp;
    FILE *out;
#ifndef _WIN32
    mode_t mask;
#endif
    struct zip_filelist *filelist;
    int reopen_on_error;
    int new_torrentzip;
    int changed;

    reopen_on_error = 0;

    if (za == NULL)
	return -1;

    changed = _zip_changed(za, &survivors);

    /* don't create zip files with no entries */
    if (survivors == 0) {
	if (za->zn && ((za->open_flags & ZIP_TRUNCATE) || (changed && za->zp))) {
	    if (remove(za->zn) != 0) {
		_zip_error_set(&za->error, ZIP_ER_REMOVE, errno);
		return -1;
	    }
	}
	zip_discard(za);
	return 0;
    }	       

    if (!changed) {
	zip_discard(za);
	return 0;
    }

    if (survivors > za->nentry) {
        _zip_error_set(&za->error, ZIP_ER_INTERNAL, 0);
        return -1;
    }
    
    if ((filelist=(struct zip_filelist *)malloc(sizeof(filelist[0])*(size_t)survivors)) == NULL)
	return -1;

    /* archive comment is special for torrentzip */
    if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0)) {
	/* TODO: use internal function when zip_set_archive_comment clears TORRENT flag */
	if (zip_set_archive_comment(za, TORRENT_SIG "XXXXXXXX", TORRENT_SIG_LEN + TORRENT_CRC_LEN) < 0) {
	    free(filelist);
	    return -1;
	}
    }
    /* TODO: if no longer torrentzip and archive comment not changed by user, delete it */


    /* create list of files with index into original archive  */
    for (i=j=0; i<za->nentry; i++) {
	if (za->entry[i].deleted)
	    continue;

        if (j >= survivors) {
            free(filelist);
            _zip_error_set(&za->error, ZIP_ER_INTERNAL, 0);
            return -1;
        }
        
	filelist[j].idx = i;
	filelist[j].name = zip_get_name(za, i, 0);
	j++;
    }
    if (j < survivors) {
        free(filelist);
        _zip_error_set(&za->error, ZIP_ER_INTERNAL, 0);
        return -1;
    }


    if ((temp=_zip_create_temp_output(za, &out)) == NULL) {
	free(filelist);
	return -1;
    }
    
    
    if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0))
	qsort(filelist, (size_t)survivors, sizeof(filelist[0]),
	      _zip_torrentzip_cmp);

    new_torrentzip = (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0) == 1
		      && zip_get_archive_flag(za, ZIP_AFL_TORRENT,
					      ZIP_FL_UNCHANGED) == 0);
    error = 0;
    for (j=0; j<survivors; j++) {
	int new_data;
	struct zip_entry *entry;
	struct zip_dirent *de;

	i = filelist[j].idx;
	entry = za->entry+i;

	new_data = (ZIP_ENTRY_DATA_CHANGED(entry) || new_torrentzip || ZIP_ENTRY_CHANGED(entry, ZIP_DIRENT_COMP_METHOD));

	/* create new local directory entry */
	if (entry->changes == NULL) {
	    if ((entry->changes=_zip_dirent_clone(entry->orig)) == NULL) {
                _zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
                error = 1;
                break;
	    }
	}
	de = entry->changes;

	if (_zip_read_local_ef(za, i) < 0) {
	    error = 1;
	    break;
	}

	if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0))
	    _zip_dirent_torrent_normalize(entry->changes);


	de->offset = (zip_uint64_t)ftello(out); /* TODO: check for errors */

	if (new_data) {
	    struct zip_source *zs;

	    zs = NULL;
	    if (!ZIP_ENTRY_DATA_CHANGED(entry)) {
		if ((zs=_zip_source_zip_new(za, za, i, ZIP_FL_UNCHANGED, 0, 0, NULL)) == NULL) {
		    error = 1;
		    break;
		}
	    }

	    /* add_data writes dirent */
	    if (add_data(za, zs ? zs : entry->source, de, out) < 0) {
		error = 1;
		if (zs)
		    zip_source_free(zs);
		break;
	    }
	    if (zs)
		zip_source_free(zs);
	}
	else {
	    zip_uint64_t offset;

	    /* when copying data, all sizes are known -> no data descriptor needed */
	    de->bitflags &= ~ZIP_GPBF_DATA_DESCRIPTOR;
	    if (_zip_dirent_write(de, out, ZIP_FL_LOCAL, &za->error) < 0) {
		error = 1;
		break;
	    }
	    if ((offset=_zip_file_get_offset(za, i, &za->error)) == 0) {
		error = 1;
		break;
	    }
	    if ((fseeko(za->zp, (off_t)offset, SEEK_SET) < 0)) {
		_zip_error_set(&za->error, ZIP_ER_SEEK, errno);
		error = 1;
		break;
	    }
	    if (copy_data(za->zp, de->comp_size, out, &za->error) < 0) {
		error = 1;
		break;
	    }
	}
    }

    if (!error) {
	if (write_cdir(za, filelist, survivors, out) < 0)
	    error = 1;
    }

    free(filelist);

    if (error) {
	fclose(out);
	(void)remove(temp);
	free(temp);
	return -1;
    }

    if (fclose(out) != 0) {
	_zip_error_set(&za->error, ZIP_ER_CLOSE, errno);
	(void)remove(temp);
	free(temp);
	return -1;
    }
    
    if (za->zp) {
	fclose(za->zp);
	za->zp = NULL;
	reopen_on_error = 1;
    }
    if (_zip_rename(temp, za->zn) != 0) {
	_zip_error_set(&za->error, ZIP_ER_RENAME, errno);
	(void)remove(temp);
	free(temp);
	if (reopen_on_error) {
	    /* ignore errors, since we're already in an error case */
	    za->zp = fopen(za->zn, "rb");
	}
	return -1;
    }
#ifndef _WIN32
    mask = umask(0);
    umask(mask);
    chmod(za->zn, 0666&~mask);
#endif

    zip_discard(za);
    free(temp);
    
    return 0;
}
Ejemplo n.º 8
0
/**
 * Load the session from the specified filename.
 *
 * @param ctx The context in which to load the session.
 * @param filename The name of the session file to load.
 * @param session The session to load the file into.
 *
 * @retval SR_OK Success
 * @retval SR_ERR_MALLOC Memory allocation error
 * @retval SR_ERR_DATA Malformed session file
 * @retval SR_ERR This is not a session file
 */
SR_API int sr_session_load(struct sr_context *ctx, const char *filename,
		struct sr_session **session)
{
	GKeyFile *kf;
	GError *error;
	struct zip *archive;
	struct zip_stat zs;
	struct sr_dev_inst *sdi;
	struct sr_channel *ch;
	int ret, i, j;
	uint64_t tmp_u64;
	int total_channels, total_analog, k;
	GSList *l;
	int unitsize;
	char **sections, **keys, *val;
	char channelname[SR_MAX_CHANNELNAME_LEN + 1];
	gboolean file_has_logic;

	if ((ret = sr_sessionfile_check(filename)) != SR_OK)
		return ret;

	if (!(archive = zip_open(filename, 0, NULL)))
		return SR_ERR;

	if (zip_stat(archive, "metadata", 0, &zs) < 0) {
		zip_discard(archive);
		return SR_ERR;
	}
	kf = sr_sessionfile_read_metadata(archive, &zs);
	zip_discard(archive);
	if (!kf)
		return SR_ERR_DATA;

	if ((ret = sr_session_new(ctx, session)) != SR_OK) {
		g_key_file_free(kf);
		return ret;
	}

	total_channels = 0;

	error = NULL;
	ret = SR_OK;
	file_has_logic = FALSE;
	sections = g_key_file_get_groups(kf, NULL);
	for (i = 0; sections[i] && ret == SR_OK; i++) {
		if (!strcmp(sections[i], "global"))
			/* nothing really interesting in here yet */
			continue;
		if (!strncmp(sections[i], "device ", 7)) {
			/* device section */
			sdi = NULL;
			keys = g_key_file_get_keys(kf, sections[i], NULL, NULL);

			/* File contains analog data if there are analog channels. */
			total_analog = g_key_file_get_integer(kf, sections[i],
					"total analog",	&error);
			if (total_analog > 0 && !error)
				sdi = sr_session_prepare_sdi(filename, session);
			g_clear_error(&error);

			/* File contains logic data if a capturefile is set. */
			val = g_key_file_get_string(kf, sections[i],
				"capturefile", &error);
			if (val && !error) {
				if (!sdi)
					sdi = sr_session_prepare_sdi(filename, session);
				sr_config_set(sdi, NULL, SR_CONF_CAPTUREFILE,
						g_variant_new_string(val));
				g_free(val);
				file_has_logic = TRUE;
			}
			g_clear_error(&error);

			for (j = 0; keys[j]; j++) {
				if (!strcmp(keys[j], "samplerate")) {
					val = g_key_file_get_string(kf, sections[i],
							keys[j], &error);
					if (!sdi || !val || sr_parse_sizestring(val,
								&tmp_u64) != SR_OK) {
						g_free(val);
						ret = SR_ERR_DATA;
						break;
					}
					g_free(val);
					sr_config_set(sdi, NULL, SR_CONF_SAMPLERATE,
							g_variant_new_uint64(tmp_u64));
				} else if (!strcmp(keys[j], "unitsize") && file_has_logic) {
					unitsize = g_key_file_get_integer(kf, sections[i],
							keys[j], &error);
					if (!sdi || unitsize <= 0 || error) {
						ret = SR_ERR_DATA;
						break;
					}
					sr_config_set(sdi, NULL, SR_CONF_CAPTURE_UNITSIZE,
							g_variant_new_uint64(unitsize));
				} else if (!strcmp(keys[j], "total probes")) {
					total_channels = g_key_file_get_integer(kf,
							sections[i], keys[j], &error);
					if (!sdi || total_channels < 0 || error) {
						ret = SR_ERR_DATA;
						break;
					}
					sr_config_set(sdi, NULL, SR_CONF_NUM_LOGIC_CHANNELS,
							g_variant_new_int32(total_channels));
					for (k = 0; k < total_channels; k++) {
						g_snprintf(channelname, sizeof(channelname),
								"%d", k);
						sr_channel_new(sdi, k, SR_CHANNEL_LOGIC,
								FALSE, channelname);
					}
				} else if (!strcmp(keys[j], "total analog")) {
					total_analog = g_key_file_get_integer(kf,
							sections[i], keys[j], &error);
					if (!sdi || total_analog < 0 || error) {
						ret = SR_ERR_DATA;
						break;
					}
					sr_config_set(sdi, NULL, SR_CONF_NUM_ANALOG_CHANNELS,
							g_variant_new_int32(total_analog));
					for (k = total_channels; k < (total_channels + total_analog); k++) {
						g_snprintf(channelname, sizeof(channelname),
								"%d", k);
						sr_channel_new(sdi, k, SR_CHANNEL_ANALOG,
								FALSE, channelname);
					}
				} else if (!strncmp(keys[j], "probe", 5)) {
					tmp_u64 = g_ascii_strtoull(keys[j] + 5, NULL, 10);
					if (!sdi || tmp_u64 == 0 || tmp_u64 > G_MAXINT) {
						ret = SR_ERR_DATA;
						break;
					}
					ch = g_slist_nth_data(sdi->channels, tmp_u64 - 1);
					if (!ch) {
						ret = SR_ERR_DATA;
						break;
					}
					val = g_key_file_get_string(kf, sections[i],
							keys[j], &error);
					if (!val) {
						ret = SR_ERR_DATA;
						break;
					}
					/* sr_session_save() */
					sr_dev_channel_name_set(ch, val);
					g_free(val);
					sr_dev_channel_enable(ch, TRUE);
				} else if (!strncmp(keys[j], "analog", 6)) {
					tmp_u64 = g_ascii_strtoull(keys[j]+6, NULL, 10);
					if (!sdi || tmp_u64 == 0 || tmp_u64 > G_MAXINT) {
						ret = SR_ERR_DATA;
						break;
					}
					ch = NULL;
					for (l = sdi->channels; l; l = l->next) {
						ch = l->data;
						if ((guint64)ch->index == tmp_u64 - 1)
							break;
						else
							ch = NULL;
					}
					if (!ch) {
						ret = SR_ERR_DATA;
						break;
					}
					val = g_key_file_get_string(kf, sections[i],
							keys[j], &error);
					if (!val) {
						ret = SR_ERR_DATA;
						break;
					}
					/* sr_session_save() */
					sr_dev_channel_name_set(ch, val);
					g_free(val);
					sr_dev_channel_enable(ch, TRUE);
				}
			}
			g_strfreev(keys);
		}
	}
	g_strfreev(sections);
	g_key_file_free(kf);

	if (error) {
		sr_err("Failed to parse metadata: %s", error->message);
		g_error_free(error);
	}
	return ret;
}
Ejemplo n.º 9
0
zip_t *
_zip_open(zip_source_t *src, unsigned int flags, zip_error_t *error)
{
    zip_t *za;
    zip_cdir_t *cdir;
    struct zip_stat st;
    zip_uint64_t len, idx;

    zip_stat_init(&st);
    if (zip_source_stat(src, &st) < 0) {
	_zip_error_set_from_source(error, src);
	return NULL;
    }
    if ((st.valid & ZIP_STAT_SIZE) == 0) {
	zip_error_set(error, ZIP_ER_SEEK, EOPNOTSUPP);
	return NULL;
    }
    len = st.size;

    /* treat empty files as empty archives */
    if (len == 0) {
	if ((za=_zip_allocate_new(src, flags, error)) == NULL) {
	    zip_source_free(src);
	    return NULL;
	}

	return za;
    }

    if ((za=_zip_allocate_new(src, flags, error)) == NULL) {
        return NULL;
    }

    if ((cdir = _zip_find_central_dir(za, len)) == NULL) {
        _zip_error_copy(error, &za->error);
	/* keep src so discard does not get rid of it */
	zip_source_keep(src);
	zip_discard(za);
	return NULL;
    }

    za->entry = cdir->entry;
    za->nentry = cdir->nentry;
    za->nentry_alloc = cdir->nentry_alloc;
    za->comment_orig = cdir->comment;

    free(cdir);

    _zip_hash_reserve_capacity(za->names, za->nentry, &za->error);
    
    for (idx = 0; idx < za->nentry; idx++) {
	const zip_uint8_t *name = _zip_string_get(za->entry[idx].orig->filename, NULL, 0, error);
	if (name == NULL) {
		/* keep src so discard does not get rid of it */
		zip_source_keep(src);
		zip_discard(za);
		return NULL;
	}

	if (_zip_hash_add(za->names, name, idx, ZIP_FL_UNCHANGED, &za->error) == false) {
	    if (za->error.zip_err != ZIP_ER_EXISTS || (flags & ZIP_CHECKCONS)) {
		_zip_error_copy(error, &za->error);
		/* keep src so discard does not get rid of it */
		zip_source_keep(src);
		zip_discard(za);
		return NULL;
	    }
	}
    }

    za->ch_flags = za->flags;

    return za;
}
Ejemplo n.º 10
0
/**
 * Load the session from the specified filename.
 *
 * @param ctx The context in which to load the session.
 * @param filename The name of the session file to load.
 * @param session The session to load the file into.
 *
 * @retval SR_OK Success
 * @retval SR_ERR_MALLOC Memory allocation error
 * @retval SR_ERR_DATA Malformed session file
 * @retval SR_ERR This is not a session file
 */
SR_API int sr_session_load(struct sr_context *ctx, const char *filename,
		struct sr_session **session)
{
	GKeyFile *kf;
	GError *error;
	struct zip *archive;
	struct zip_stat zs;
	struct sr_dev_inst *sdi;
	struct sr_channel *ch;
	int ret, i, j;
	uint64_t tmp_u64;
	int total_channels, k;
	int unitsize;
	char **sections, **keys, *val;
	char channelname[SR_MAX_CHANNELNAME_LEN + 1];

	if ((ret = sr_sessionfile_check(filename)) != SR_OK)
		return ret;

	if (!(archive = zip_open(filename, 0, NULL)))
		return SR_ERR;

	if (zip_stat(archive, "metadata", 0, &zs) < 0) {
		zip_discard(archive);
		return SR_ERR;
	}
	kf = sr_sessionfile_read_metadata(archive, &zs);
	zip_discard(archive);
	if (!kf)
		return SR_ERR_DATA;

	if ((ret = sr_session_new(ctx, session)) != SR_OK) {
		g_key_file_free(kf);
		return ret;
	}

	error = NULL;
	ret = SR_OK;
	sections = g_key_file_get_groups(kf, NULL);
	for (i = 0; sections[i] && ret == SR_OK; i++) {
		if (!strcmp(sections[i], "global"))
			/* nothing really interesting in here yet */
			continue;
		if (!strncmp(sections[i], "device ", 7)) {
			/* device section */
			sdi = NULL;
			keys = g_key_file_get_keys(kf, sections[i], NULL, NULL);
			for (j = 0; keys[j]; j++) {
				if (!strcmp(keys[j], "capturefile")) {
					val = g_key_file_get_string(kf, sections[i],
							keys[j], &error);
					if (!val) {
						ret = SR_ERR_DATA;
						break;
					}
					sdi = g_malloc0(sizeof(struct sr_dev_inst));
					sdi->driver = &session_driver;
					sdi->status = SR_ST_ACTIVE;
					if (!session_driver_initialized) {
						/* first device, init the driver */
						session_driver_initialized = 1;
						sdi->driver->init(sdi->driver, NULL);
					}
					sr_dev_open(sdi);
					sr_session_dev_add(*session, sdi);
					(*session)->owned_devs = g_slist_append(
							(*session)->owned_devs, sdi);
					sr_config_set(sdi, NULL, SR_CONF_SESSIONFILE,
							g_variant_new_string(filename));
					sr_config_set(sdi, NULL, SR_CONF_CAPTUREFILE,
							g_variant_new_string(val));
					g_free(val);
				} else if (!strcmp(keys[j], "samplerate")) {
					val = g_key_file_get_string(kf, sections[i],
							keys[j], &error);
					if (!sdi || !val || sr_parse_sizestring(val,
								&tmp_u64) != SR_OK) {
						g_free(val);
						ret = SR_ERR_DATA;
						break;
					}
					g_free(val);
					sr_config_set(sdi, NULL, SR_CONF_SAMPLERATE,
							g_variant_new_uint64(tmp_u64));
				} else if (!strcmp(keys[j], "unitsize")) {
					unitsize = g_key_file_get_integer(kf, sections[i],
							keys[j], &error);
					if (!sdi || unitsize <= 0 || error) {
						ret = SR_ERR_DATA;
						break;
					}
					sr_config_set(sdi, NULL, SR_CONF_CAPTURE_UNITSIZE,
							g_variant_new_uint64(unitsize));
				} else if (!strcmp(keys[j], "total probes")) {
					total_channels = g_key_file_get_integer(kf,
							sections[i], keys[j], &error);
					if (!sdi || total_channels < 0 || error) {
						ret = SR_ERR_DATA;
						break;
					}
					sr_config_set(sdi, NULL, SR_CONF_NUM_LOGIC_CHANNELS,
							g_variant_new_int32(total_channels));
					for (k = 0; k < total_channels; k++) {
						g_snprintf(channelname, sizeof channelname,
								"%d", k);
						sr_channel_new(sdi, k, SR_CHANNEL_LOGIC,
								FALSE, channelname);
					}
				} else if (!strncmp(keys[j], "probe", 5)) {
					tmp_u64 = g_ascii_strtoull(keys[j]+5, NULL, 10);
					if (!sdi || tmp_u64 == 0 || tmp_u64 > G_MAXINT) {
						ret = SR_ERR_DATA;
						break;
					}
					ch = g_slist_nth_data(sdi->channels, tmp_u64 - 1);
					if (!ch) {
						ret = SR_ERR_DATA;
						break;
					}
					val = g_key_file_get_string(kf, sections[i],
							keys[j], &error);
					if (!val) {
						ret = SR_ERR_DATA;
						break;
					}
					/* sr_session_save() */
					sr_dev_channel_name_set(ch, val);
					g_free(val);
					sr_dev_channel_enable(ch, TRUE);
				}
			}
			g_strfreev(keys);
		}
	}
	g_strfreev(sections);
	g_key_file_free(kf);

	if (error) {
		sr_err("Failed to parse metadata: %s", error->message);
		g_error_free(error);
	}
	return ret;
}