// // config.c // c-ipfs // // Created by John Jones on 10/27/16. // Copyright © 2016 JMJAtlanta. All rights reserved. // #include #include #include #include "ipfs/repo/config/config.h" #include "ipfs/os/utils.h" #include "ipfs/repo/config/bootstrap_peers.h" #include "ipfs/repo/config/swarm.h" /*** * public */ /*** * gets the default path from the environment variable and/or the homedir struct * NOTE: this allocates memory for result. Clean up after yourself. * @param result where the result string will reside. * @returns true(1) on success, or false(0) */ int config_get_default_path_root(char* result) { char* root = os_utils_getenv("IPFS_PATH"); if (root == NULL) { root = os_utils_getenv("HOME"); result = malloc( strlen(root) + 7); if (result == NULL) return 0; strncpy(result, root, strlen(root)+1); strncat(result, "/.ipfs", 7); } else { char* result = malloc(strlen(root)+1); if (result == NULL) return 0; strncpy(result, root, strlen(root)+1); } return 1; } /*** * Returns the path "extension" relative to the configuration root. * If an empty string is provided for config_root, the default root * is used. NOTE: be sure to dispose of the memory allocated for result. * @param config_root the path to the root of the configuration * @param extension the extension to add to the path * @param result the result of config_root with extension appended * @returns true(1) if everything went okay, false(0) otherwise */ int config_path(char* config_root, char* extension, char* result, int max_len) { if (strlen(config_root) == 0) { char* default_path; int retVal = config_get_default_path_root(default_path); if (!retVal) return retVal; retVal = os_utils_filepath_join(default_path, extension, result, max_len); free(default_path); return retVal; } return os_utils_filepath_join(config_root, extension, result, max_len); } /** * provide the full path of the config file, given the directory. * NOTE: This allocates memory for result. Make sure to clean up after yourself. * @param path the path to the config file (without the actual file name) * @param result the full filename including the path * @returns true(1) on success, false(0) otherwise */ int repo_config_get_file_name(char* path, char** result) { unsigned long max_len = strlen(path) + 8; *result = malloc(sizeof(char) * max_len); if (result == NULL) return 0; return os_utils_filepath_join(path, "config", *result, max_len); } /*** * create a configuration based on the passed in parameters * @param config the configuration struct to be filled in * @param num_bits_for_keypair number of bits for the key pair * @returns true(1) on success, otherwise 0 */ int repo_config_init(struct RepoConfig* config, unsigned int num_bits_for_keypair, char* repo_path) { // identity int retVal = repo_config_identity_init(config->identity, num_bits_for_keypair); if (retVal == 0) return 0; // bootstrap peers retVal = repo_config_bootstrap_peers_retrieve(&(config->peer_addresses)); if (retVal == 0) return 0; // datastore retVal = ipfs_repo_config_datastore_init(config->datastore, repo_path); if (retVal == 0) return 0; // swarm addresses char** address_array = (char * []){ "/ip4/0.0.0.0/tcp/4001", "/ip6/::/tcp/4001" }; retVal = repo_config_swarm_address_init(config->addresses->swarm, address_array, 2); if (retVal == 0) return 0; config->discovery.mdns.enabled = 1; config->discovery.mdns.interval = 10; config->mounts.ipfs = "/ipfs"; config->mounts.ipns = "/ipns"; config->ipns.resolve_cache_size = 128; config->reprovider.interval = "12h"; config->gateway->root_redirect = ""; config->gateway->writable = 0; config->gateway->path_prefixes.num_elements = 0; // gateway http headers char** header_array = (char * []) { "Access-Control-Allow-Origin", "Access-Control-Allow-Methods", "Access-Control-Allow-Headers" }; char** header_values = (char*[]) { "*", "GET", "X-Requested-With" }; retVal = repo_config_gateway_http_header_init(config->gateway->http_headers, header_array, header_values, 3); if (retVal == 0) return 0; return 1; } /*** * Initialize memory for a RepoConfig struct * @param config the structure to initialize * @returns true(1) on success */ int ipfs_repo_config_new(struct RepoConfig** config) { *config = (struct RepoConfig*)malloc(sizeof(struct RepoConfig)); if (*config == NULL) return 0; // set initial values (*config)->peer_addresses.num_peers = 0; (*config)->peer_addresses.peers = NULL; int retVal = 1; retVal = repo_config_identity_new(&((*config)->identity)); if (retVal == 0) return 0; retVal = ipfs_repo_config_datastore_new(&((*config)->datastore)); if (retVal == 0) return 0; retVal = repo_config_addresses_new(&((*config)->addresses), "/ip4/127.0.0.1/tcp/5001", "/ip4/127.0.0.1/tcp/8080"); if (retVal == 0) return 0; retVal = repo_config_gateway_new(&((*config)->gateway)); if (retVal == 0) return 0; return 1; } /** * Free resources * @param config the struct to be freed * @returns true(1) on success */ int ipfs_repo_config_free(struct RepoConfig* config) { if (config != NULL) { repo_config_identity_free(config->identity); repo_config_bootstrap_peers_free(&(config->peer_addresses)); ipfs_repo_config_datastore_free(config->datastore); repo_config_addresses_free(config->addresses); repo_config_gateway_free(config->gateway); free(config); } return 1; } int repo_config_martial_to_json(struct RepoConfig* config) { return 0; }