#include <sys/stat.h>
#include "types/types.h"
+#include <file/file.h>
#include <log/log.h>
#include <talloc/talloc.h>
#include "parser.h"
#include "parser-utils.h"
#include "paths.h"
-#include "file.h"
struct p_item {
struct list_item list;
STATIC_LIST(parsers);
static char *local_path(struct discover_context *ctx,
+ struct discover_device *dev,
const char *filename)
{
- return join_paths(ctx, ctx->device->mount_path, filename);
+ return join_paths(ctx, dev->mount_path, filename);
}
-static int download_config(struct discover_context *ctx, char **buf, int *len)
+int parser_request_file(struct discover_context *ctx,
+ struct discover_device *dev, const char *filename,
+ char **buf, int *len)
+
{
- unsigned tempfile;
- const char *file;
+ char *path;
int rc;
- file = load_url(ctx, ctx->conf_url, &tempfile);
- if (!file)
+ /* we only support local files at present */
+ if (!dev->mount_path)
return -1;
- rc = read_file(ctx, file, buf, len);
- if (rc)
- goto out_clean;
+ path = local_path(ctx, dev, filename);
- return 0;
+ rc = read_file(ctx, path, buf, len);
-out_clean:
- if (tempfile)
- unlink(file);
- return -1;
+ talloc_free(path);
+
+ return rc;
}
-static void iterate_parser_files(struct discover_context *ctx,
- const struct parser *parser)
+int parser_check_dir(struct discover_context *ctx,
+ struct discover_device *dev, const char *dirname)
{
- const char * const *filename;
- const char *path;
-
- if (!parser->filenames)
- return;
-
- for (filename = parser->filenames; *filename; filename++) {
- int rc, len;
- char *buf;
-
- path = local_path(ctx, *filename);
- if (!path)
- continue;
-
- rc = read_file(ctx, path, &buf, &len);
- if (!rc) {
- pb_log("Running parser %s on file %s\n",
- parser->name, *filename);
- parser->parse(ctx, buf, len);
- talloc_free(buf);
- }
- }
+ struct stat statbuf;
+ char *path;
+ int rc;
+
+ if (!dev->mount_path)
+ return -1;
+
+ path = local_path(ctx, dev, dirname);
+
+ rc = stat(path, &statbuf);
+ if (!rc)
+ return -1;
+
+ return S_ISDIR(statbuf.st_mode) ? 0 : -1;
}
-void iterate_parsers(struct discover_context *ctx, enum conf_method method)
+int parser_replace_file(struct discover_context *ctx,
+ struct discover_device *dev, const char *filename,
+ char *buf, int len)
{
- struct p_item* i;
- int rc, len;
- char *buf;
+ bool release;
+ char *path;
+ int rc;
- pb_log("trying parsers for %s\n", ctx->device->device->id);
+ if (!dev->mounted)
+ return -1;
+
+ rc = device_request_write(dev, &release);
+ if (rc) {
+ pb_log("Can't write file %s: device doesn't allow write\n",
+ dev->device_path);
+ return -1;
+ }
- switch (method) {
- case CONF_METHOD_LOCAL_FILE:
- list_for_each_entry(&parsers, i, list) {
- if (i->parser->method != CONF_METHOD_LOCAL_FILE)
- continue;
+ path = local_path(ctx, dev, filename);
- pb_log("\ttrying parser '%s'\n", i->parser->name);
- ctx->parser = i->parser;
- iterate_parser_files(ctx, ctx->parser);
- }
- ctx->parser = NULL;
- break;
+ rc = replace_file(path, buf, len);
- case CONF_METHOD_DHCP:
- rc = download_config(ctx, &buf, &len);
- if (rc) {
- pb_log("\tdownload failed, aborting\n");
- return;
- }
+ talloc_free(path);
- list_for_each_entry(&parsers, i, list) {
- if (i->parser->method != method)
- continue;
+ device_release_write(dev, release);
- pb_log("\ttrying parser '%s'\n", i->parser->name);
- ctx->parser = i->parser;
- i->parser->parse(ctx, buf, len);
- }
+ return rc;
+}
- break;
+int parser_request_url(struct discover_context *ctx, struct pb_url *url,
+ char **buf, int *len)
+{
+ struct load_url_result *result;
+ int rc;
- case CONF_METHOD_UNKNOWN:
- break;
+ result = load_url(ctx, url);
+ if (!result)
+ goto out;
+ rc = read_file(ctx, result->local, buf, len);
+ if (rc) {
+ pb_log("Read failed for the parser %s on file %s\n",
+ ctx->parser->name, result->local);
+ goto out_clean;
}
+
+ return 0;
+
+out_clean:
+ if (result->cleanup_local)
+ unlink(result->local);
+out:
+ return -1;
}
+void iterate_parsers(struct discover_context *ctx)
+{
+ struct p_item* i;
+
+ pb_log("trying parsers for %s\n", ctx->device->device->id);
+
+ list_for_each_entry(&parsers, i, list) {
+ pb_debug("\ttrying parser '%s'\n", i->parser->name);
+ ctx->parser = i->parser;
+ i->parser->parse(ctx);
+ }
+ ctx->parser = NULL;
+}
+
+static void *parsers_ctx;
+
void __register_parser(struct parser *parser)
{
- struct p_item* i = talloc(NULL, struct p_item);
+ struct p_item *i;
- printf("%s: %s\n", __func__, parser->name);
+ if (!parsers_ctx)
+ parsers_ctx = talloc_new(NULL);
+ i = talloc(parsers_ctx, struct p_item);
i->parser = parser;
list_add(&parsers, &i->list);
}
+static __attribute__((destructor)) void cleanup_parsers(void)
+{
+ talloc_free(parsers_ctx);
+}
+
void parser_init(void)
{
}
projects / petitboot / blobdiff