c-ipfs/cmd/ipfs/init.c

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#include <stdlib.h>
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#include <stdio.h>
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#include "ipfs/cmd/ipfs/init.h"
#include "ipfs/commands/request.h"
#include "ipfs/commands/command_option.h"
#include "ipfs/os/utils.h"
#include "ipfs/core/ipfs_node.h"
#include "ipfs/core/builder.h"
#include "ipfs/repo/config/config.h"
#include "ipfs/repo/fsrepo/fs_repo.h"
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const int nBitsForKeypairDefault = 2048;
/***
* runs before major processing during initialization
* @param request the request
* @returns 0 if a problem, otherwise a 1
*/
int init_pre_run(struct Request* request) {
//TODO: make sure daemon is not running
return 1;
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}
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/**
* This actually opens the repo and gets things set up
* @param repo_root the root of the repository
* @returns true(1) on success
*/
int initialize_ipns_keyspace(char* repo_root) {
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//TODO: open fs repo
struct FSRepo repo;
// get the path
int retVal = fs_repo_open(repo_root, &repo);
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//TODO: make a new node, then close it
//TODO: setup offline routing on new node
struct IpfsNode* ipfs_node;
struct Context* ctx;
struct BuildCfg* bld_cfg;
//TODO: see line 185 of init.go, what does core.BldCfg{Repo: r} do? BldCfg is a structure
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retVal = ipfs_core_builder_new_node(ctx, bld_cfg, ipfs_node);
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//return namesys_initialize_keyspace(ctx, ipfs_node->DAG, ipfs_node->Namesys, ipfs_node->pinning, ipfs_node->private_key);
return retVal;
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}
/**
* called by init_run, to do the heavy lifting
* @param out_file an output stream (stdout)
* @param repo_root a path that is where the .ipfs directory will be put
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* @param empty true(1) if empty, false(0) if not
* @param num_bits_for_keypair number of bits for key pair
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* @param conf the configuration struct
* @returns 0 on error, 1 on success
*/
int do_init(FILE* out_file, char* repo_root, int empty, int num_bits_for_keypair, struct RepoConfig* conf) {
// make sure the directory is writable
if (!os_utils_directory_writeable(repo_root))
return 0;
// verify that it is not already initialized
if (fs_repo_is_initialized(repo_root))
return 0;
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//TODO: If the conf is null, make one
if ( conf->identity.peer_id == NULL) {
int retVal = repo_config_init(conf, num_bits_for_keypair, repo_root);
if (retVal == 0)
return 0;
}
// initialize the fs repo
int retVal = fs_repo_init(repo_root, conf);
if (retVal == 0)
return 0;
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//TODO: add default assets
return initialize_ipns_keyspace(repo_root);
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}
/***
* does major processing during initialization
* @param request the request
* @returns 0 if a problem, otherwise a 1
*/
int init_run(struct Request* request) {
// TODO: make sure offline
// TODO: check parameters for logic errors
// TODO: Initialize
struct RepoConfig conf = {0};
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// TODO: handle files in request
// do the heavy lifting
int num_bits_for_key_pair = request->cmd.options[0]->default_int_val;
return do_init(stdout, request->invoc_context->config_root, 1, num_bits_for_key_pair, &conf);
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}
/***
* does the cleanup after major processing during initialization
* @param request the request
* @returns 0 if a problem, otherwise a 1
*/
int init_post_run(struct Request* request) {
// nothing to do
return 1;
}
int ipfs_cmd_ipfs_init_command_new(struct Command* cmd) {
int retVal = 1;
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// help text
cmd->help_text.tagline = "Initializes IPFS config file.";
cmd->help_text.short_description = "\nInitializes IPFS configuration files and generates a new keypair.\n\nipfs uses a repository in the local file system. By default, the repo is\nlocated at ~/.ipfs. To change the repo location, set the $IPFS_PATH\nenvironment variable.:\n\n export IPFS_PATH=/path/to/ipfsrepo";
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cmd->argument_count = 1;
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cmd->option_count = 2;
commands_command_init(cmd);
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// allocate memory for array of pointers
retVal = commands_argument_init(cmd->arguments[0], "default-config", 0, 0, "Initialize with the given configuration");
if (retVal == 0)
return 0;
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cmd->arguments[0]->enable_stdin = 1;
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// options
cmd->options[0]->name_count = 2;
retVal = commands_command_option_init(cmd->options[0], "Number of bits to use in the generated RSA private key");
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cmd->options[0]->names[0] = "bits";
cmd->options[0]->names[1] = "b";
cmd->options[0]->kind = integer;
cmd->options[0]->default_int_val = nBitsForKeypairDefault;
cmd->options[1]->name_count = 2;
retVal = commands_command_option_init(cmd->options[1], "Don't add and pin help files to the local storage");
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cmd->options[1]->default_bool_val = 0;
cmd->options[1]->names[0] = "empty-repo";
cmd->options[1]->names[1] = "e";
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// function pointers
cmd->pre_run = init_pre_run;
cmd->run = init_run;
cmd->post_run = init_post_run;
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return retVal;
}
/***
* Uninitializes all the dynamic memory caused by get_init_command
* @param command the struct
* @returns 0 on failure, otherwise 1
*/
int ipfs_cmd_ipfs_init_command_free(struct Command* command) {
// NOTE: commands_command_free takes care of arguments and command_options
commands_command_free(command);
return 1;
}