mirror of
https://github.com/falk-werner/webfuse
synced 2024-10-27 20:34:10 +00:00
use getopt to parse arguments (instead of libfuse)
This commit is contained in:
Falk Werner
parent
09560fc9fe
commit
0c0c94242a
145
src/app/main.c
145
src/app/main.c
@ -2,45 +2,117 @@
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#include <stdlib.h>
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#include <string.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <getopt.h>
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#include "wsfs/fuse_wrapper.h"
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#include "wsfs/operations.h"
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#include "wsfs/server.h"
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struct options
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struct args
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{
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struct wsfs_server_config config;
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char * mount_point;
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int show_help;
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};
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static struct fuse_opt const option_spec[] =
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{
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{"--document_root=%s" , offsetof(struct options, config.document_root), 1},
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{"--server_cert_path=%s", offsetof(struct options, config.cert_path), 1},
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{"--server_key_path=%s" , offsetof(struct options, config.key_path), 1},
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{"--vhost_name=%s" , offsetof(struct options, config.vhost_name), 1},
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{"--port=%d" , offsetof(struct options, config.port), 1},
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{"-h" , offsetof(struct options, show_help), 1},
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{"--help" , offsetof(struct options, show_help), 1},
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FUSE_OPT_END
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};
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static void show_help(void)
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{
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printf(
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"wsfs, Copyright (c) 2019, Falk Werner\n"
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"Websocket file system daemon\n"
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"\n"
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"File-system specific options:\n"
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" --document_root=<s> Path of www directory (default: not set, www disabled)\n"
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" --server_cert_path=<s> Path of servers own certificate (default: not set, TLS disabled)\n"
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" --server_key_path=<s> Path of servers private key (default: not set, TLS disabled)\n"
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" --vhost_name=<s> Name of virtual host (default: \"localhost\")\n"
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" --port=<d> Number of servers port (default: 8080)\n"
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"Usage: wsfs [m <mount_point>] [-d <document_root] [-n <vhost_name>] [-p <port>]\n"
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" [-c <server_cert_path> -k] [<server_key_path>]\n"
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"\n"
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"Options:\n"
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"\t-m, --mount_point Path of mount point (required)\n"
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"\t-d, --document_root Path of www directory (default: not set, www disabled)\n"
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"\t-c, --server_cert_path Path of servers own certificate (default: not set, TLS disabled)\n"
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"\t-k, --server_key_path Path of servers private key (default: not set, TLS disabled)\n"
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"\t-n, --vhost_name Name of virtual host (default: \"localhost\")\n"
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"\t-p, --port Number of servers port (default: 8080)\n"
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"\n");
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}
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static int parse_arguments(int argc, char * argv[], struct args * args)
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{
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static struct option const options[] =
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{
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{"mount_point", required_argument, NULL, 'm'},
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{"document_root", required_argument, NULL, 'd'},
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{"server_cert_path", required_argument, NULL, 'c'},
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{"server_key_path", required_argument, NULL, 'k'},
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{"vhost_name", required_argument, NULL, 'n'},
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{"port", required_argument, NULL, 'p'},
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{"help", no_argument, NULL, 'h'},
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{NULL, 0, NULL, 0}
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};
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bool result = EXIT_SUCCESS;
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bool finished = false;
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while ((!finished) && (EXIT_SUCCESS == result))
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{
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int option_index = 0;
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int const c = getopt_long(argc, argv, "m:d:c:k:n:p:h", options, &option_index);
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switch (c)
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{
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case -1:
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finished = true;
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break;
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case 'h':
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args->show_help = true;
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finished = true;
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break;
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case 'm':
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free(args->mount_point);
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args->mount_point = strdup(optarg);
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break;
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case 'd':
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free(args->config.document_root);
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args->config.document_root = strdup(optarg);
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break;
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case 'c':
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free(args->config.cert_path);
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args->config.cert_path = strdup(optarg);
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break;
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case 'k':
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free(args->config.key_path);
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args->config.key_path = strdup(optarg);
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break;
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case 'n':
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free(args->config.vhost_name);
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args->config.vhost_name = strdup(optarg);
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break;
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case 'p':
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args->config.port = atoi(optarg);
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break;
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default:
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fprintf(stderr, "error: unknown argument\n");
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result = EXIT_FAILURE;
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break;
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}
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}
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if (EXIT_SUCCESS != result)
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{
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args->show_help = true;
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}
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if ((!args->show_help) && (NULL == args->mount_point))
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{
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fprintf(stderr, "error: missing mount point\n");
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}
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return result;
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}
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int main(int argc, char * argv[])
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{
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struct options options =
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struct args args =
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{
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.config =
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{
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@ -50,29 +122,26 @@ int main(int argc, char * argv[])
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.vhost_name = strdup("localhost"),
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.port = 8080,
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},
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.mount_point = NULL,
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.show_help = 0
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};
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struct fuse_args args = FUSE_ARGS_INIT(argc, argv);
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if (-1 == fuse_opt_parse(&args, &options, option_spec, NULL))
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{
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return EXIT_FAILURE;
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}
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int result = parse_arguments(argc, argv, &args);
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struct fuse_operations operations;
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wsfs_operations_init(&operations);
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int result;
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if (!options.show_help)
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if (!args.show_help)
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{
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struct wsfs_server * server = wsfs_server_create(&options.config);
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struct wsfs_server * server = wsfs_server_create(&args.config);
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if (NULL != server)
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{
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wsfs_server_start(server);
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struct wsfs_jsonrpc * const rpc = wsfs_server_get_jsonrpc_service(server);
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result = fuse_main(args.argc, args.argv, &operations, rpc);
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wsfs_server_dispose(server);
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char * fuse_args[] = { "-s", "-f", args.mount_point, NULL };
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result = fuse_main(3, fuse_args, &operations, rpc);
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wsfs_server_dispose(server);
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}
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else
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{
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@ -82,21 +151,11 @@ int main(int argc, char * argv[])
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}
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else
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{
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if (0 == fuse_opt_add_arg(&args, "--help"))
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{
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fuse_main(args.argc, args.argv, &operations, NULL);
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show_help();
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}
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else
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{
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fprintf(stderr, "fatal: unable to show help\n");
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}
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result = EXIT_FAILURE;
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show_help();
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}
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fuse_opt_free_args(&args);
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wsfs_server_config_clear(&options.config);
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wsfs_server_config_clear(&args.config);
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free(args.mount_point);
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return result;
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}
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