130 lines
3.8 KiB
C
130 lines
3.8 KiB
C
#include "network.h"
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#include "fuse_local.h"
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#include <getopt.h>
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#include <string.h>
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#define ARG_LEN_MAX 64
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void add_arg(char ***fuse_argv_ptr, int *fuse_argc, char *opt_string);
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static void print_help(char *program_name, int long_help);
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static void print_http_options();
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int main(int argc, char **argv)
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{
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char **fuse_argv = NULL;
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int fuse_argc = 0;
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/* Add the program's name to the fuse argument */
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add_arg(&fuse_argv, &fuse_argc, argv[0]);
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/* Automatically print help if not enough arguments are supplied */
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if (argc < 2) {
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print_help(argv[0], 0);
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fprintf(stderr, "For more information, run \"%s --help.\"\n", argv[0]);
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exit(EXIT_FAILURE);
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}
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/* initialise network configuration struct */
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network_config_init();
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char c;
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int opts_index = 0;
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const char *short_opts = "o:hVdfsp:u:";
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const struct option long_opts[] = {
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{"help", no_argument, NULL, 'h'},
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{"version", no_argument, NULL, 'V'},
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{"debug", no_argument, NULL, 'd'},
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{"username", required_argument, NULL, 'u'},
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{"password", required_argument, NULL, 'p'},
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{0, 0, 0, 0}
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};
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while ((c =
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getopt_long(argc, argv, short_opts, long_opts,
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&opts_index)) != -1) {
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switch (c) {
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case 'o':
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add_arg(&fuse_argv, &fuse_argc, "-o");
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add_arg(&fuse_argv, &fuse_argc, optarg);
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break;
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case 'h':
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print_help(argv[0], 1);
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add_arg(&fuse_argv, &fuse_argc, "-h");
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goto fuse_start;
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break;
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case 'V':
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add_arg(&fuse_argv, &fuse_argc, "-V");
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break;
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case 'd':
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add_arg(&fuse_argv, &fuse_argc, "-d");
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break;
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case 'f':
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add_arg(&fuse_argv, &fuse_argc, "-f");
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break;
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case 's':
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add_arg(&fuse_argv, &fuse_argc, "-s");
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break;
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case 'p':
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NETWORK_CONFIG.username = strndup(optarg, ARG_LEN_MAX);
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break;
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case 'u':
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NETWORK_CONFIG.password = strndup(optarg, ARG_LEN_MAX);
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break;
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case '?':
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fprintf(stderr, "Error: Invalid option\n");
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add_arg(&fuse_argv, &fuse_argc, "--help");
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goto fuse_start;
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}
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};
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/* Add the last remaining argument, which is the mountpoint */
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add_arg(&fuse_argv, &fuse_argc, argv[argc-1]);
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/* The second last remaining argument is the URL */
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char *base_url = argv[argc-2];
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if (strncmp(base_url, "http://", 7) && strncmp(base_url, "https://", 8)) {
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fprintf(stderr, "Error: Please supply a valid URL.\n");
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print_help(argv[0], 0);
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exit(EXIT_FAILURE);
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} else {
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if(!network_init(base_url)) {
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fprintf(stderr, "Error: Network initialisation failed.\n");
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exit(EXIT_FAILURE);
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}
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}
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fuse_start:
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fuse_local_init(fuse_argc, fuse_argv);
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return 0;
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}
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/**
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* \brief add an argument to an argv array
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* \details This is basically how you add a string to an array of string
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*/
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void add_arg(char ***fuse_argv_ptr, int *fuse_argc, char *opt_string)
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{
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(*fuse_argc)++;
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*fuse_argv_ptr = realloc(*fuse_argv_ptr, *fuse_argc * sizeof(char *));
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char **fuse_argv = *fuse_argv_ptr;
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fuse_argv[*fuse_argc - 1] = strndup(opt_string, ARG_LEN_MAX);
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}
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static void print_help(char *program_name, int long_help)
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{
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fprintf(stderr,
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"Usage: %s [options] URL mountpoint\n", program_name);
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if (long_help) {
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print_http_options();
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}
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}
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static void print_http_options()
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{
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fprintf(stderr,
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"HTTP options:\n\
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-u --username HTTP authentication username\n\
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-p --password HTTP authentication password\n\n\
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libfuse options:\n");
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}
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