[ PARENT ]

EDIT :: ManifestGeneration.c

#include "ManifestGeneration.h" #include "../Configuration.h" #include "cxx_supportlib/Constants.h" #include "cxx_supportlib/FileTools/PathManipCBindings.h" static PsgJsonValue * generate_config_manifest(ngx_conf_t *cf, passenger_loc_conf_t *toplevel_plcf) { manifest_gen_ctx_t ctx; PsgJsonValue *result; init_config_manifest_generation(cf, &ctx); generate_config_manifest_for_autogenerated_main_conf(&ctx, &passenger_main_conf); recursively_generate_config_manifest_for_loc_conf(&ctx, toplevel_plcf); reverse_manifest_value_hierarchies(&ctx); set_manifest_autogenerated_global_conf_defaults(&ctx); set_manifest_autogenerated_app_conf_defaults(&ctx, ctx.default_app_config_container); set_manifest_autogenerated_loc_conf_defaults(&ctx, ctx.default_loc_config_container); manifest_inherit_application_value_hierarchies(&ctx); manifest_inherit_location_value_hierarchies(&ctx); result = ctx.manifest; deinit_config_manifest_generation(&ctx); return result; } static void init_config_manifest_generation(ngx_conf_t *cf, manifest_gen_ctx_t *ctx) { ngx_memzero(ctx, sizeof(manifest_gen_ctx_t)); ctx->cf = cf; ctx->manifest = psg_json_value_new_with_type(PSG_JSON_VALUE_TYPE_OBJECT); ctx->empty_object = psg_json_value_new_with_type(PSG_JSON_VALUE_TYPE_OBJECT); ctx->empty_array = psg_json_value_new_with_type(PSG_JSON_VALUE_TYPE_ARRAY); ctx->it = psg_json_value_iterator_new(); ctx->end = psg_json_value_iterator_new(); ctx->it2 = psg_json_value_iterator_new(); ctx->end2 = psg_json_value_iterator_new(); ctx->it3 = psg_json_value_iterator_new(); ctx->end3 = psg_json_value_iterator_new(); ctx->it4 = psg_json_value_iterator_new(); ctx->end4 = psg_json_value_iterator_new(); ctx->global_config_container = psg_json_value_set_value(ctx->manifest, "global_configuration", -1, ctx->empty_object); ctx->default_app_config_container = psg_json_value_set_value(ctx->manifest, "default_application_configuration", -1, ctx->empty_object); ctx->default_loc_config_container = psg_json_value_set_value(ctx->manifest, "default_location_configuration", -1, ctx->empty_object); ctx->app_configs_container = psg_json_value_set_value(ctx->manifest, "application_configurations", -1, ctx->empty_object); } static void deinit_config_manifest_generation(manifest_gen_ctx_t *ctx) { psg_json_value_free(ctx->empty_object); psg_json_value_free(ctx->empty_array); psg_json_value_iterator_free(ctx->it); psg_json_value_iterator_free(ctx->end); psg_json_value_iterator_free(ctx->it2); psg_json_value_iterator_free(ctx->end2); psg_json_value_iterator_free(ctx->it3); psg_json_value_iterator_free(ctx->end3); psg_json_value_iterator_free(ctx->it4); psg_json_value_iterator_free(ctx->end4); } static void recursively_generate_config_manifest_for_loc_conf(manifest_gen_ctx_t *ctx, passenger_loc_conf_t *plcf) { passenger_loc_conf_t **children; ngx_http_core_srv_conf_t *cscf; ngx_http_core_loc_conf_t *clcf; ngx_uint_t i; cscf = plcf->cscf; clcf = plcf->clcf; if (cscf != NULL && clcf != NULL && plcf->autogenerated.enabled) { generate_config_manifest_for_loc_conf(ctx, plcf, cscf, clcf); } children = plcf->children.elts; for (i = 0; i < plcf->children.nelts; i++) { recursively_generate_config_manifest_for_loc_conf(ctx, children[i]); } } static int infer_loc_conf_app_group_name(manifest_gen_ctx_t *ctx, passenger_loc_conf_t *plcf, ngx_http_core_loc_conf_t *clcf, ngx_str_t *result) { ngx_str_t app_root, app_env; char *abs_path; u_char *buf; void *_unused; size_t buf_size; if (plcf->autogenerated.app_group_name.data == NULL) { if (plcf->autogenerated.app_root.data == NULL) { buf_size = clcf->root.len + sizeof("/..") - 1; buf = (u_char *) ngx_pnalloc(ctx->cf->pool, buf_size); if (buf == NULL) { return 0; } app_root.data = buf; app_root.len = ngx_snprintf(buf, buf_size, "%V/..", &clcf->root) - buf; } else { app_root = plcf->autogenerated.app_root; } abs_path = psg_absolutize_path( (const char *) app_root.data, app_root.len, (const char *) ctx->cf->cycle->prefix.data, ctx->cf->cycle->prefix.len, &app_root.len); app_root.data = (u_char *) ngx_pnalloc(ctx->cf->pool, app_root.len); _unused = ngx_copy(app_root.data, abs_path, app_root.len); (void) _unused; /* Shut up compiler warning */ free(abs_path); if (plcf->autogenerated.environment.data == NULL) { app_env.data = (u_char *) DEFAULT_APP_ENV; app_env.len = sizeof(DEFAULT_APP_ENV) - 1; } else { app_env = plcf->autogenerated.environment; } buf_size = app_root.len + app_env.len + sizeof(" ()") - 1; buf = (u_char *) ngx_pnalloc(ctx->cf->pool, buf_size); result->data = buf; result->len = ngx_snprintf(buf, buf_size, "%V (%V)", &app_root, &app_env) - buf; } else { *result = plcf->autogenerated.app_group_name; } return 1; } static u_char * infer_default_app_root(manifest_gen_ctx_t *ctx, ngx_http_core_loc_conf_t *clcf, size_t *len) { u_char *path, *end; path = ngx_pnalloc(ctx->cf->temp_pool, clcf->root.len + 3); end = ngx_snprintf(path, clcf->root.len + 3, "%V/..", &clcf->root); return (u_char *) psg_absolutize_path((const char *) path, end - path, NULL, 0, len); } static PsgJsonValue * find_or_create_manifest_app_config_container(manifest_gen_ctx_t *ctx, ngx_str_t *app_group_name) { PsgJsonValue *result; result = psg_json_value_get_or_create_null(ctx->app_configs_container, (const char *) app_group_name->data, app_group_name->len); if (psg_json_value_is_null(result)) { psg_json_value_set_value(result, "options", -1, ctx->empty_object); psg_json_value_set_value(result, "default_location_configuration", -1, ctx->empty_object); psg_json_value_set_value(result, "location_configurations", -1, ctx->empty_array); } return result; } static PsgJsonValue * find_or_create_manifest_loc_config_container(manifest_gen_ctx_t *ctx, PsgJsonValue *app_config_container, ngx_http_core_srv_conf_t *cscf, ngx_http_core_loc_conf_t *clcf) { PsgJsonValue *loc_configs_container; PsgJsonValue *loc_config_container; loc_configs_container = psg_json_value_get(app_config_container, "location_configurations", -1); loc_config_container = find_manifest_loc_config_container(ctx, loc_configs_container, cscf, clcf); if (loc_config_container == NULL) { loc_config_container = create_manifest_loc_config_container(ctx, loc_configs_container, cscf, clcf); } return loc_config_container; } static int matches_any_server_names(manifest_gen_ctx_t *ctx, ngx_http_core_srv_conf_t *cscf, PsgJsonValue *server_names_doc) { ngx_http_server_name_t *server_names = cscf->server_names.elts; PsgJsonValue *server_name_doc; ngx_str_t server_name; ngx_uint_t i; psg_json_value_begin(server_names_doc, ctx->it2); psg_json_value_end(server_names_doc, ctx->end2); while (!psg_json_value_iterator_eq(ctx->it2, ctx->end2)) { server_name_doc = psg_json_value_iterator_get_value(ctx->it2); server_name.data = (u_char *) psg_json_value_get_str(server_name_doc, &server_name.len); for (i = 0; i < cscf->server_names.nelts; i++) { if (server_names[i].name.len == server_name.len && ngx_strncasecmp(server_names[i].name.data, server_name.data, server_name.len) == 0) { return 1; } } psg_json_value_iterator_advance(ctx->it2); } return 0; } static PsgJsonValue * find_manifest_loc_config_container(manifest_gen_ctx_t *ctx, PsgJsonValue *loc_configs_container, ngx_http_core_srv_conf_t *cscf, ngx_http_core_loc_conf_t *clcf) { PsgJsonValue *loc_config_container; PsgJsonValue *vhost_doc; PsgJsonValue *server_names_doc; PsgJsonValue *location_matcher_doc; ngx_str_t json_location_matcher_type, json_location_matcher_value; psg_json_value_begin(loc_configs_container, ctx->it); psg_json_value_end(loc_configs_container, ctx->end); while (!psg_json_value_iterator_eq(ctx->it, ctx->end)) { loc_config_container = psg_json_value_iterator_get_value(ctx->it); vhost_doc = psg_json_value_get(loc_config_container, "web_server_virtual_host", -1); location_matcher_doc = psg_json_value_get(loc_config_container, "location_matcher", -1); json_location_matcher_type.data = (u_char *) psg_json_value_get_str( psg_json_value_get(location_matcher_doc, "type", -1), &json_location_matcher_type.len); #if (NGX_PCRE) || (NGX_PCRE2) if (clcf->regex != NULL) { if (json_location_matcher_type.len != sizeof("regex") - 1 || ngx_memcmp(json_location_matcher_type.data, "regex", sizeof("regex") - 1) != 0) { goto no_match; } } else #endif if (clcf->exact_match) { if (json_location_matcher_type.len != sizeof("exact") - 1 || ngx_memcmp(json_location_matcher_type.data, "exact", sizeof("exact") - 1) != 0) { goto no_match; } } else { if (json_location_matcher_type.len != sizeof("prefix") - 1 || ngx_memcmp(json_location_matcher_type.data, "prefix", sizeof("prefix") - 1) != 0) { goto no_match; } } json_location_matcher_value.data = (u_char *) psg_json_value_get_str( psg_json_value_get(location_matcher_doc, "value", -1), &json_location_matcher_value.len); if (ngx_memn2cmp(clcf->name.data, json_location_matcher_value.data, clcf->name.len, json_location_matcher_value.len) != 0) { goto no_match; } server_names_doc = psg_json_value_get(vhost_doc, "server_names", -1); if (!matches_any_server_names(ctx, cscf, server_names_doc)) { goto no_match; } return loc_config_container; no_match: psg_json_value_iterator_advance(ctx->it); } return NULL; } static PsgJsonValue * create_manifest_loc_config_container(manifest_gen_ctx_t *ctx, PsgJsonValue *loc_configs_container, ngx_http_core_srv_conf_t *cscf, ngx_http_core_loc_conf_t *clcf) { PsgJsonValue *loc_config_container = psg_json_value_new_with_type(PSG_JSON_VALUE_TYPE_OBJECT); PsgJsonValue *vhost_doc = psg_json_value_new_with_type(PSG_JSON_VALUE_TYPE_OBJECT); PsgJsonValue *server_names_doc = psg_json_value_new_with_type(PSG_JSON_VALUE_TYPE_ARRAY); PsgJsonValue *location_matcher_doc = psg_json_value_new_with_type(PSG_JSON_VALUE_TYPE_OBJECT); PsgJsonValue *options_doc = psg_json_value_new_with_type(PSG_JSON_VALUE_TYPE_OBJECT); PsgJsonValue *server_name_doc, *result; ngx_http_server_name_t *server_names = cscf->server_names.elts; ngx_uint_t i; for (i = 0; i < cscf->server_names.nelts; i++) { server_name_doc = psg_json_value_new_str((const char *) server_names[i].name.data, server_names[i].name.len); psg_json_value_append_val(server_names_doc, server_name_doc); psg_json_value_free(server_name_doc); } psg_json_value_set_value(vhost_doc, "server_names", -1, server_names_doc); psg_json_value_set_str(location_matcher_doc, "value", (const char *) clcf->name.data, clcf->name.len); #if (NGX_PCRE) || (NGX_PCRE2) if (clcf->regex != NULL) { psg_json_value_set_str(location_matcher_doc, "type", "regex", -1); } else #endif if (clcf->exact_match) { psg_json_value_set_str(location_matcher_doc, "type", "exact", -1); } else { psg_json_value_set_str(location_matcher_doc, "type", "prefix", -1); } psg_json_value_set_value(loc_config_container, "web_server_virtual_host", -1, vhost_doc); psg_json_value_set_value(loc_config_container, "location_matcher", -1, location_matcher_doc); psg_json_value_set_value(loc_config_container, "options", -1, options_doc); result = psg_json_value_append_val(loc_configs_container, loc_config_container); psg_json_value_free(loc_config_container); psg_json_value_free(vhost_doc); psg_json_value_free(server_names_doc); psg_json_value_free(location_matcher_doc); psg_json_value_free(options_doc); return result; } static PsgJsonValue * find_or_create_manifest_option_container(manifest_gen_ctx_t *ctx, PsgJsonValue *options_container, const char *option_name, size_t option_name_len) { PsgJsonValue *result; result = psg_json_value_get_or_create_null(options_container, option_name, option_name_len); if (psg_json_value_is_null(result)) { init_manifest_option_container(ctx, result); } return result; } static void init_manifest_option_container(manifest_gen_ctx_t *ctx, PsgJsonValue *doc) { psg_json_value_set_value(doc, "value_hierarchy", -1, ctx->empty_array); } static PsgJsonValue * add_manifest_option_container_hierarchy_member(PsgJsonValue *option_container, ngx_str_t *source_file, ngx_uint_t source_line) { PsgJsonValue *value_hierarchy = psg_json_value_get(option_container, "value_hierarchy", -1); PsgJsonValue *hierarchy_member = psg_json_value_new_with_type(PSG_JSON_VALUE_TYPE_OBJECT); PsgJsonValue *source = psg_json_value_new_with_type(PSG_JSON_VALUE_TYPE_OBJECT); PsgJsonValue *result; psg_json_value_set_str(source, "type", "web-server-config", sizeof("web-server-config") - 1); psg_json_value_set_str(source, "path", (const char *) source_file->data, source_file->len); psg_json_value_set_uint(source, "line", source_line); psg_json_value_set_value(hierarchy_member, "source", -1, source); result = psg_json_value_append_val(value_hierarchy, hierarchy_member); psg_json_value_free(hierarchy_member); psg_json_value_free(source); return result; } static void generate_config_manifest_for_loc_conf(manifest_gen_ctx_t *ctx, passenger_loc_conf_t *plcf, ngx_http_core_srv_conf_t *cscf, ngx_http_core_loc_conf_t *clcf) { generate_config_manifest_for_autogenerated_loc_conf(ctx, plcf, cscf, clcf); } static void find_or_create_manifest_app_and_loc_options_containers(manifest_gen_ctx_t *ctx, passenger_loc_conf_t *plcf, ngx_http_core_srv_conf_t *cscf, ngx_http_core_loc_conf_t *clcf, PsgJsonValue **app_options_container, PsgJsonValue **loc_options_container) { ngx_str_t app_group_name; PsgJsonValue *app_config_container, *loc_config_container; ngx_str_t default_app_root; if (*app_options_container != NULL && *loc_options_container != NULL) { return; } if (cscf->server_name.len == 0) { /* We are in the global context */ *app_options_container = ctx->default_app_config_container; *loc_options_container = ctx->default_loc_config_container; } else if (clcf->name.len == 0) { /* We are in a server block */ infer_loc_conf_app_group_name(ctx, plcf, clcf, &app_group_name); app_config_container = find_or_create_manifest_app_config_container(ctx, &app_group_name); *app_options_container = psg_json_value_get(app_config_container, "options", -1); *loc_options_container = psg_json_value_get(app_config_container, "default_location_configuration", -1); /* Create a default value for passenger_app_group_name and * passenger_app_root if we just created this config container */ if (psg_json_value_size(*app_options_container) == 0) { add_manifest_options_container_inferred_default_str(ctx, *app_options_container, "passenger_app_group_name", -1, (const char *) app_group_name.data, app_group_name.len); default_app_root.data = infer_default_app_root( ctx, clcf, &default_app_root.len); add_manifest_options_container_inferred_default_str(ctx, *app_options_container, "passenger_app_root", -1, (const char *) default_app_root.data, default_app_root.len); free(default_app_root.data); } } else { /* We are in a location/if block */ infer_loc_conf_app_group_name(ctx, plcf, clcf, &app_group_name); app_config_container = find_or_create_manifest_app_config_container(ctx, &app_group_name); loc_config_container = find_or_create_manifest_loc_config_container(ctx, app_config_container, cscf, clcf); *app_options_container = psg_json_value_get(app_config_container, "options", -1); *loc_options_container = psg_json_value_get(loc_config_container, "options", -1); } } static void reverse_manifest_value_hierarchies(manifest_gen_ctx_t *ctx) { PsgJsonValue *app_config_container; PsgJsonValue *options_container; PsgJsonValue *location_configs_container, *location_config_container; reverse_value_hierarchies_in_options_container(ctx->global_config_container, ctx->it, ctx->end); reverse_value_hierarchies_in_options_container(ctx->default_app_config_container, ctx->it, ctx->end); reverse_value_hierarchies_in_options_container(ctx->default_loc_config_container, ctx->it, ctx->end); psg_json_value_begin(ctx->app_configs_container, ctx->it); psg_json_value_end(ctx->app_configs_container, ctx->end); while (!psg_json_value_iterator_eq(ctx->it, ctx->end)) { app_config_container = psg_json_value_iterator_get_value(ctx->it); options_container = psg_json_value_get(app_config_container, "options", -1); reverse_value_hierarchies_in_options_container(options_container, ctx->it2, ctx->end2); options_container = psg_json_value_get(app_config_container, "default_location_configuration", -1); reverse_value_hierarchies_in_options_container(options_container, ctx->it2, ctx->end2); location_configs_container = psg_json_value_get(app_config_container, "location_configurations", -1); if (location_configs_container != NULL) { psg_json_value_begin(location_configs_container, ctx->it2); psg_json_value_end(location_configs_container, ctx->end2); while (!psg_json_value_iterator_eq(ctx->it2, ctx->end2)) { location_config_container = psg_json_value_iterator_get_value(ctx->it2); options_container = psg_json_value_get(location_config_container, "options", -1); reverse_value_hierarchies_in_options_container(options_container, ctx->it3, ctx->end3); psg_json_value_iterator_advance(ctx->it2); } } psg_json_value_iterator_advance(ctx->it); } } static void reverse_value_hierarchies_in_options_container(PsgJsonValue *options_container, PsgJsonValueIterator *it, PsgJsonValueIterator *end) { PsgJsonValue *option_container, *value_hierarchy_doc; unsigned int i, len; psg_json_value_begin(options_container, it); psg_json_value_end(options_container, end); while (!psg_json_value_iterator_eq(it, end)) { option_container = psg_json_value_iterator_get_value(it); value_hierarchy_doc = psg_json_value_get(option_container, "value_hierarchy", -1); len = psg_json_value_size(value_hierarchy_doc); for (i = 0; i < len / 2; i++) { psg_json_value_swap( psg_json_value_get_at_index(value_hierarchy_doc, i), psg_json_value_get_at_index(value_hierarchy_doc, len - i - 1)); } psg_json_value_iterator_advance(it); } } static void add_manifest_options_container_dynamic_default(manifest_gen_ctx_t *ctx, PsgJsonValue *options_container, const char *option_name, size_t option_name_len, const char *desc, size_t desc_len) { PsgJsonValue *option_container, *hierarchy, *hierarchy_member, *source; option_container = psg_json_value_get_or_create_null(options_container, option_name, option_name_len); if (psg_json_value_is_null(option_container)) { init_manifest_option_container(ctx, option_container); } hierarchy = psg_json_value_get(option_container, "value_hierarchy", -1); source = psg_json_value_new_with_type(PSG_JSON_VALUE_TYPE_OBJECT); psg_json_value_set_str(source, "type", "dynamic-default-description", -1); hierarchy_member = psg_json_value_new_with_type(PSG_JSON_VALUE_TYPE_OBJECT); psg_json_value_set_value(hierarchy_member, "source", -1, source); psg_json_value_set_str(hierarchy_member, "value", desc, desc_len); psg_json_value_append_val(hierarchy, hierarchy_member); psg_json_value_free(hierarchy_member); psg_json_value_free(source); } static PsgJsonValue * add_manifest_options_container_default(manifest_gen_ctx_t *ctx, PsgJsonValue *options_container, const char *default_type, const char *option_name, size_t option_name_len) { PsgJsonValue *option_container, *hierarchy, *hierarchy_member, *source, *result; option_container = psg_json_value_get_or_create_null(options_container, option_name, option_name_len); if (psg_json_value_is_null(option_container)) { init_manifest_option_container(ctx, option_container); } hierarchy = psg_json_value_get(option_container, "value_hierarchy", -1); source = psg_json_value_new_with_type(PSG_JSON_VALUE_TYPE_OBJECT); psg_json_value_set_str(source, "type", default_type, -1); hierarchy_member = psg_json_value_new_with_type(PSG_JSON_VALUE_TYPE_OBJECT); psg_json_value_set_value(hierarchy_member, "source", -1, source); result = psg_json_value_append_val(hierarchy, hierarchy_member); psg_json_value_free(hierarchy_member); psg_json_value_free(source); return result; } static void add_manifest_options_container_static_default_str(manifest_gen_ctx_t *ctx, PsgJsonValue *options_container, const char *option_name, size_t option_name_len, const char *value, size_t value_len) { PsgJsonValue *hierarchy_member = add_manifest_options_container_default( ctx, options_container, "default", option_name, option_name_len); psg_json_value_set_str(hierarchy_member, "value", value, value_len); } static void add_manifest_options_container_static_default_int(manifest_gen_ctx_t *ctx, PsgJsonValue *options_container, const char *option_name, size_t option_name_len, int value) { PsgJsonValue *hierarchy_member = add_manifest_options_container_default( ctx, options_container, "default", option_name, option_name_len); psg_json_value_set_int(hierarchy_member, "value", value); } static void add_manifest_options_container_static_default_uint(manifest_gen_ctx_t *ctx, PsgJsonValue *options_container, const char *option_name, size_t option_name_len, unsigned int value) { PsgJsonValue *hierarchy_member = add_manifest_options_container_default( ctx, options_container, "default", option_name, option_name_len); psg_json_value_set_uint(hierarchy_member, "value", value); } static void add_manifest_options_container_static_default_bool(manifest_gen_ctx_t *ctx, PsgJsonValue *options_container, const char *option_name, size_t option_name_len, int value) { PsgJsonValue *hierarchy_member = add_manifest_options_container_default( ctx, options_container, "default", option_name, option_name_len); psg_json_value_set_bool(hierarchy_member, "value", value); } static void add_manifest_options_container_inferred_default_str(manifest_gen_ctx_t *ctx, PsgJsonValue *options_container, const char *option_name, size_t option_name_len, const char *value, size_t value_len) { PsgJsonValue *hierarchy_member = add_manifest_options_container_default( ctx, options_container, "inferred-default", option_name, option_name_len); psg_json_value_set_str(hierarchy_member, "value", value, value_len); } static void manifest_inherit_application_value_hierarchies(manifest_gen_ctx_t *ctx) { PsgJsonValue *app_config_container, *options_container, *option_container, *default_app_config; PsgJsonValue *value_hierarchy_doc, *value_hierarchy_from_default; const char *option_name; size_t option_name_len; /* Iterate through all 'application_configurations' objects */ psg_json_value_begin(ctx->app_configs_container, ctx->it); psg_json_value_end(ctx->app_configs_container, ctx->end); while (!psg_json_value_iterator_eq(ctx->it, ctx->end)) { app_config_container = psg_json_value_iterator_get_value(ctx->it); /* Iterate through all its 'options' objects */ options_container = psg_json_value_get(app_config_container, "options", -1); psg_json_value_begin(options_container, ctx->it2); psg_json_value_end(options_container, ctx->end2); while (!psg_json_value_iterator_eq(ctx->it2, ctx->end2)) { /* For each option, inherit the value hierarchies * from the 'default_application_configuration' object. * * Since the value hierarchy array is already in * most-to-least-specific order, simply appending * the 'default_application_configuration' hierarchy is * enough. */ option_name = psg_json_value_iterator_get_name(ctx->it2, &option_name_len); option_container = psg_json_value_iterator_get_value(ctx->it2); default_app_config = psg_json_value_get(ctx->default_app_config_container, option_name, option_name_len); if (default_app_config != NULL) { value_hierarchy_doc = psg_json_value_get(option_container, "value_hierarchy", -1); value_hierarchy_from_default = psg_json_value_get(default_app_config, "value_hierarchy", -1); psg_json_value_append_vals(value_hierarchy_doc, value_hierarchy_from_default, ctx->it3, ctx->end3); maybe_inherit_string_array_hierarchy_values(value_hierarchy_doc, ctx->it3, ctx->end3); maybe_inherit_string_keyval_hierarchy_values(value_hierarchy_doc, ctx->it3, ctx->end3); } psg_json_value_iterator_advance(ctx->it2); } /* Iterate through all 'default_application_configuration' options */ psg_json_value_begin(ctx->default_app_config_container, ctx->it2); psg_json_value_end(ctx->default_app_config_container, ctx->end2); while (!psg_json_value_iterator_eq(ctx->it2, ctx->end2)) { /* For each default app config object, if there is no object in * the current context's 'options' with the same name, then add * it there. */ option_name = psg_json_value_iterator_get_name(ctx->it2, &option_name_len); if (!psg_json_value_is_member(options_container, option_name, option_name_len)) { option_container = psg_json_value_iterator_get_value(ctx->it2); psg_json_value_set_value(options_container, option_name, option_name_len, option_container); } psg_json_value_iterator_advance(ctx->it2); } psg_json_value_iterator_advance(ctx->it); } } static void manifest_inherit_location_value_hierarchies(manifest_gen_ctx_t *ctx) { PsgJsonValue *app_config_container, *location_configs_container, *location_config_container; PsgJsonValue *app_default_location_configs; PsgJsonValue *options_container, *option_container, *default_location_config; PsgJsonValue *value_hierarchy_doc, *value_hierarchy_from_default; const char *option_name; size_t option_name_len; /* Iterate through all 'application_configurations' objects */ psg_json_value_begin(ctx->app_configs_container, ctx->it); psg_json_value_end(ctx->app_configs_container, ctx->end); while (!psg_json_value_iterator_eq(ctx->it, ctx->end)) { app_config_container = psg_json_value_iterator_get_value(ctx->it); /* Iterate through all its 'default_location_configuration' options */ app_default_location_configs = psg_json_value_get(app_config_container, "default_location_configuration", -1); options_container = app_default_location_configs; psg_json_value_begin(options_container, ctx->it2); psg_json_value_end(options_container, ctx->end2); while (!psg_json_value_iterator_eq(ctx->it2, ctx->end2)) { /* For each option, inherit the value hierarchies * from the top-level 'default_application_configuration' object. * * Since the value hierarchy array is already in * most-to-least-specific order, simply appending * the 'default_application_configuration' hierarchy is * enough. */ option_name = psg_json_value_iterator_get_name(ctx->it2, &option_name_len); option_container = psg_json_value_iterator_get_value(ctx->it2); default_location_config = psg_json_value_get(ctx->default_loc_config_container, option_name, option_name_len); if (default_location_config != NULL) { value_hierarchy_doc = psg_json_value_get(option_container, "value_hierarchy", -1); value_hierarchy_from_default = psg_json_value_get(default_location_config, "value_hierarchy", -1); psg_json_value_append_vals(value_hierarchy_doc, value_hierarchy_from_default, ctx->it3, ctx->end3); maybe_inherit_string_array_hierarchy_values(value_hierarchy_doc, ctx->it3, ctx->end3); maybe_inherit_string_keyval_hierarchy_values(value_hierarchy_doc, ctx->it3, ctx->end3); } psg_json_value_iterator_advance(ctx->it2); } /* Iterate through all top-level 'default_location_configuration' options */ psg_json_value_begin(ctx->default_loc_config_container, ctx->it2); psg_json_value_end(ctx->default_loc_config_container, ctx->end2); while (!psg_json_value_iterator_eq(ctx->it2, ctx->end2)) { /* For each default top-level 'default_location_configuration' option, * if there is no object in the current context's 'default_application_configuration' * with the same name, then add it there. */ option_name = psg_json_value_iterator_get_name(ctx->it2, &option_name_len); if (!psg_json_value_is_member(options_container, option_name, option_name_len)) { option_container = psg_json_value_iterator_get_value(ctx->it2); psg_json_value_set_value(options_container, option_name, option_name_len, option_container); } psg_json_value_iterator_advance(ctx->it2); } /* Iterate through all its 'locations_configurations' options */ location_configs_container = psg_json_value_get(app_config_container, "location_configurations", -1); if (location_configs_container != NULL) { psg_json_value_begin(location_configs_container, ctx->it2); psg_json_value_end(location_configs_container, ctx->end2); while (!psg_json_value_iterator_eq(ctx->it2, ctx->end2)) { location_config_container = psg_json_value_iterator_get_value(ctx->it2); options_container = psg_json_value_get(location_config_container, "options", -1); psg_json_value_begin(options_container, ctx->it3); psg_json_value_end(options_container, ctx->end3); while (!psg_json_value_iterator_eq(ctx->it3, ctx->end3)) { /* For each option, inherit the value hierarchies * from the 'default_location_configuration' belonging * to the current app (which also contains the global * location config defaults). * * Since the value hierarchy array is already in * most-to-least-specific order, simply appending * the 'default_location_configuration' hierarchy is * enough. */ option_name = psg_json_value_iterator_get_name(ctx->it3, &option_name_len); option_container = psg_json_value_iterator_get_value(ctx->it3); default_location_config = psg_json_value_get(app_default_location_configs, option_name, option_name_len); if (default_location_config != NULL) { value_hierarchy_doc = psg_json_value_get(option_container, "value_hierarchy", -1); value_hierarchy_from_default = psg_json_value_get(default_location_config, "value_hierarchy", -1); psg_json_value_append_vals(value_hierarchy_doc, value_hierarchy_from_default, ctx->it4, ctx->end4); maybe_inherit_string_array_hierarchy_values(value_hierarchy_doc, ctx->it4, ctx->end4); maybe_inherit_string_keyval_hierarchy_values(value_hierarchy_doc, ctx->it4, ctx->end4); } psg_json_value_iterator_advance(ctx->it3); } psg_json_value_iterator_advance(ctx->it2); } } psg_json_value_iterator_advance(ctx->it); } } static void maybe_inherit_string_array_hierarchy_values(PsgJsonValue *value_hierarchy_doc, PsgJsonValueIterator *it, PsgJsonValueIterator *end) { PsgJsonValue *value, *current, *next, *current_value, *next_value; unsigned int len; int i; if (psg_json_value_size(value_hierarchy_doc) == 0) { return; } value = psg_json_value_get(psg_json_value_get_at_index(value_hierarchy_doc, 0), "value", -1); if (psg_json_value_type(value) != PSG_JSON_VALUE_TYPE_ARRAY) { return; } len = psg_json_value_size(value_hierarchy_doc); for (i = len - 1; i >= 1; i--) { current = psg_json_value_get_at_index(value_hierarchy_doc, i); next = psg_json_value_get_at_index(value_hierarchy_doc, i - 1); current_value = psg_json_value_get(current, "value", -1); next_value = psg_json_value_get(next, "value", -1); psg_json_value_begin(current_value, it); psg_json_value_end(current_value, end); while (!psg_json_value_iterator_eq(it, end)) { if (!json_array_contains(next_value, psg_json_value_iterator_get_value(it))) { psg_json_value_append_val(next_value, psg_json_value_iterator_get_value(it)); } psg_json_value_iterator_advance(it); } } } static void maybe_inherit_string_keyval_hierarchy_values(PsgJsonValue *value_hierarchy_doc, PsgJsonValueIterator *it, PsgJsonValueIterator *end) { PsgJsonValue *value, *current, *next, *current_value, *next_value; const char *name; size_t name_len; unsigned int len; int i; if (psg_json_value_size(value_hierarchy_doc) == 0) { return; } value = psg_json_value_get(psg_json_value_get_at_index(value_hierarchy_doc, 0), "value", -1); if (psg_json_value_type(value) != PSG_JSON_VALUE_TYPE_OBJECT) { return; } len = psg_json_value_size(value_hierarchy_doc); for (i = len - 1; i >= 1; i--) { current = psg_json_value_get_at_index(value_hierarchy_doc, i); next = psg_json_value_get_at_index(value_hierarchy_doc, i - 1); current_value = psg_json_value_get(current, "value", -1); next_value = psg_json_value_get(next, "value", -1); psg_json_value_begin(current_value, it); psg_json_value_end(current_value, end); while (!psg_json_value_iterator_eq(it, end)) { name = psg_json_value_iterator_get_name(it, &name_len); if (!psg_json_value_is_member(next_value, name, name_len)) { psg_json_value_set_value(next_value, name, name_len, psg_json_value_iterator_get_value(it)); } psg_json_value_iterator_advance(it); } } } static void psg_json_value_append_vals(PsgJsonValue *doc, PsgJsonValue *doc2, PsgJsonValueIterator *it, PsgJsonValueIterator *end) { PsgJsonValue *elem; psg_json_value_begin(doc2, it); psg_json_value_end(doc2, end); while (!psg_json_value_iterator_eq(it, end)) { elem = psg_json_value_iterator_get_value(it); psg_json_value_append_val(doc, elem); psg_json_value_iterator_advance(it); } } static int json_array_contains(PsgJsonValue *doc, PsgJsonValue *elem) { unsigned int i, len; PsgJsonValue *current; len = psg_json_value_size(doc); for (i = 0; i < len; i++) { current = psg_json_value_get_at_index(doc, i); if (psg_json_value_eq(current, elem)) { return 1; } } return 0; }

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