mirror of
https://github.com/xorgy/mediafire-fuse
synced 2026-01-13 21:24:28 -08:00
fuse: allow to parse config file
This commit is contained in:
josch
224
fuse/main.c
224
fuse/main.c
@@ -31,10 +31,13 @@
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#include <sys/types.h>
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#include <bits/fcntl-linux.h>
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#include <fuse/fuse_common.h>
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#include <pwd.h>
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#include <wordexp.h>
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#include "../mfapi/mfconn.h"
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#include "../mfapi/apicalls.h"
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#include "hashtbl.h"
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#include "../utils/strings.h"
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/* what you can safely assume about requests to your filesystem
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*
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@@ -100,26 +103,6 @@ struct mediafirefs_user_options {
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char *server;
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int app_id;
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char *api_key;
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} mediafirefs_user_options = {
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NULL, NULL, NULL, NULL, -1, NULL};
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static struct fuse_opt mediafirefs_opts[] = {
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FUSE_OPT_KEY("-h", KEY_HELP),
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FUSE_OPT_KEY("--help", KEY_HELP),
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FUSE_OPT_KEY("-V", KEY_VERSION),
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FUSE_OPT_KEY("--version", KEY_VERSION),
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{"-c %s", offsetof(struct mediafirefs_user_options, configfile), 0},
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{"--config=%s", offsetof(struct mediafirefs_user_options, configfile), 0},
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{"-u %s", offsetof(struct mediafirefs_user_options, username), 0},
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{"--username %s", offsetof(struct mediafirefs_user_options, username), 0},
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{"-p %s", offsetof(struct mediafirefs_user_options, password), 0},
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{"--password %s", offsetof(struct mediafirefs_user_options, password), 0},
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{"--server %s", offsetof(struct mediafirefs_user_options, server), 0},
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{"-i %d", offsetof(struct mediafirefs_user_options, app_id), 0},
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{"--app-id %d", offsetof(struct mediafirefs_user_options, app_id), 0},
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{"-k %s", offsetof(struct mediafirefs_user_options, api_key), 0},
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{"--api-key %s", offsetof(struct mediafirefs_user_options, api_key), 0},
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FUSE_OPT_END
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};
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static void usage(const char *progname)
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@@ -349,36 +332,186 @@ mediafirefs_opt_proc(void *data, const char *arg, int key,
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return 1;
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}
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int main(int argc, char *argv[])
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static void parse_config_file(FILE * fp, int *argc, char ***argv)
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{
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struct fuse_args args = FUSE_ARGS_INIT(argc, argv);
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FILE *fd;
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// read the config file line by line and pass each line to wordexp to
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// retain proper quoting
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char *line = NULL;
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size_t len = 0;
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ssize_t read;
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wordexp_t p;
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int ret;
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size_t i;
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while ((read = getline(&line, &len, fp)) != -1) {
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if (line[0] == '#')
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continue;
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// replace possible trailing newline by zero
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if (line[strlen(line) - 1] == '\n')
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line[strlen(line) - 1] = '\0';
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ret = wordexp(line, &p, WRDE_SHOWERR | WRDE_UNDEF);
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if (ret != 0) {
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switch (ret) {
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case WRDE_BADCHAR:
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fprintf(stderr, "wordexp: WRDE_BADCHAR\n");
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break;
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case WRDE_BADVAL:
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fprintf(stderr, "wordexp: WRDE_BADVAL\n");
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break;
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case WRDE_CMDSUB:
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fprintf(stderr, "wordexp: WRDE_CMDSUB\n");
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break;
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case WRDE_NOSPACE:
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fprintf(stderr, "wordexp: WRDE_NOSPACE\n");
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break;
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case WRDE_SYNTAX:
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fprintf(stderr, "wordexp: WRDE_SYNTAX\n");
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break;
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}
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wordfree(&p);
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continue;
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}
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// now insert those arguments into argv right after the first
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*argv = (char **)realloc(*argv, sizeof(char *) * (*argc + p.we_wordc));
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memmove((*argv) + p.we_wordc + 1, (*argv) + 1,
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sizeof(char *) * (*argc - 1));
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*argc += p.we_wordc;
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for (i = 0; i < p.we_wordc; i++) {
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(*argv)[i + 1] = strdup(p.we_wordv[i]);
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}
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wordfree(&p);
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}
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free(line);
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}
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static void parse_config(int *argc, char ***argv, char *configfile)
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{
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FILE *fp;
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char *homedir;
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// parse the configuration file
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// if a value is not set (it is NULL) then it has not been set by the
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// commandline and should be set by the configuration file
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// try set config file first if set
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if (configfile != NULL && (fp = fopen(configfile, "r")) != NULL) {
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parse_config_file(fp, argc, argv);
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fclose(fp);
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return;
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}
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// try "./.mediafire-tools.conf" second
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if ((fp = fopen("./.mediafire-tools.conf", "r")) != NULL) {
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parse_config_file(fp, argc, argv);
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fclose(fp);
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return;
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}
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// try "~/.mediafire-tools.conf" third
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if ((homedir = getenv("HOME")) == NULL) {
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homedir = getpwuid(getuid())->pw_dir;
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}
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homedir = strdup_printf("%s/.mediafire-tools.conf", homedir);
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if ((fp = fopen("./.mediafire-tools.conf", "r")) != NULL) {
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parse_config_file(fp, argc, argv);
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fclose(fp);
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}
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free(homedir);
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}
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static void parse_arguments(int *argc, char ***argv,
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struct mediafirefs_user_options *options)
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{
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char **argv_new;
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/* In the first pass, we only search for the help, version and config file
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* options.
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*
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* In case help or version options are found, the program will display
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* them and quit
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*
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* Otherwise, the program will read the config file (possibly supplied
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* through the option being set in the first pass), prepend its arguments
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* to argv and parse the arguments again as a second pass.
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*/
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struct fuse_opt mediafirefs_opts_fst[] = {
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FUSE_OPT_KEY("-h", KEY_HELP),
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FUSE_OPT_KEY("--help", KEY_HELP),
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FUSE_OPT_KEY("-V", KEY_VERSION),
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FUSE_OPT_KEY("--version", KEY_VERSION),
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{"-c %s", offsetof(struct mediafirefs_user_options, configfile), 0},
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{"--config %s", offsetof(struct mediafirefs_user_options, configfile),
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0},
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FUSE_OPT_END
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};
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// copy argv into a new area so that we can realloc later
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argv_new = malloc(sizeof(char *) * (*argc));
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memcpy(argv_new, *argv, sizeof(char *) * (*argc));
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*argv = argv_new;
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struct fuse_args args_fst = FUSE_ARGS_INIT(*argc, *argv);
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if (fuse_opt_parse
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(&args, &mediafirefs_user_options, mediafirefs_opts,
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(&args_fst, options, mediafirefs_opts_fst,
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mediafirefs_opt_proc) == -1) {
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exit(1);
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}
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*argc = args_fst.argc;
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*argv = args_fst.argv;
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if (mediafirefs_user_options.app_id == -1) {
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mediafirefs_user_options.app_id = 42709;
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}
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parse_config(argc, argv, options->configfile);
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if (mediafirefs_user_options.server == NULL) {
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mediafirefs_user_options.server = "www.mediafire.com";
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}
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struct fuse_opt mediafirefs_opts_snd[] = {
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{"-c %s", offsetof(struct mediafirefs_user_options, configfile), 0},
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{"--config %s", offsetof(struct mediafirefs_user_options, configfile),
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0},
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{"-u %s", offsetof(struct mediafirefs_user_options, username), 0},
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{"--username %s", offsetof(struct mediafirefs_user_options, username),
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0},
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{"-p %s", offsetof(struct mediafirefs_user_options, password), 0},
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{"--password %s", offsetof(struct mediafirefs_user_options, password),
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0},
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{"--server %s", offsetof(struct mediafirefs_user_options, server), 0},
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{"-i %d", offsetof(struct mediafirefs_user_options, app_id), 0},
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{"--app-id %d", offsetof(struct mediafirefs_user_options, app_id), 0},
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{"-k %s", offsetof(struct mediafirefs_user_options, api_key), 0},
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{"--api-key %s", offsetof(struct mediafirefs_user_options, api_key),
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0},
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FUSE_OPT_END
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};
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if (mediafirefs_user_options.username == NULL ||
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mediafirefs_user_options.password == NULL) {
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fprintf(stderr, "You must specify username and pasword\n");
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struct fuse_args args_snd = FUSE_ARGS_INIT(*argc, *argv);
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if (fuse_opt_parse(&args_snd, options, mediafirefs_opts_snd, NULL)
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== -1) {
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exit(1);
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}
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conn = mfconn_create(mediafirefs_user_options.server,
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mediafirefs_user_options.username,
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mediafirefs_user_options.password,
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mediafirefs_user_options.app_id,
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mediafirefs_user_options.api_key);
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*argc = args_snd.argc;
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*argv = args_snd.argv;
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}
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static void connect_mf(struct mediafirefs_user_options *options)
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{
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FILE *fd;
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if (options->app_id == -1) {
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options->app_id = 42709;
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}
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if (options->server == NULL) {
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options->server = "www.mediafire.com";
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}
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if (options->username == NULL || options->password == NULL) {
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fprintf(stderr, "You must specify username and password\n");
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exit(1);
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}
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conn = mfconn_create(options->server,
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options->username,
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options->password, options->app_id, options->api_key);
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if (conn == NULL) {
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fprintf(stderr, "Cannot establish connection\n");
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@@ -406,6 +539,17 @@ int main(int argc, char *argv[])
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fprintf(stderr, "tree before starting fuse:\n");
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folder_tree_debug(tree);
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return fuse_main(args.argc, args.argv, &mediafirefs_oper, NULL);
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}
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int main(int argc, char *argv[])
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{
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struct mediafirefs_user_options options = {
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NULL, NULL, NULL, NULL, -1, NULL
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};
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parse_arguments(&argc, &argv, &options);
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connect_mf(&options);
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return fuse_main(argc, argv, &mediafirefs_oper, NULL);
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}
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