/* reallocates its first arg */
char *append_opt(char *s, const char *opt, const char *val)
{
if (!opt)
return s;
if (!s) {
if (!val)
return xstrdup(opt); /* opt */
return xstrconcat3(NULL, opt, val); /* opt=val */
}
if (!val)
return xstrconcat3(s, ",", opt); /* s,opt */
return xstrconcat4(s, ",", opt, val); /* s,opt=val */
}
static void parse_options(int argc, char *argv[], struct mount_options *opts)
{
int c, show_version_only = 0;
while ((c = getopt(argc, argv, "fvnt:o:rwV")) != EOF) {
switch (c) {
case 'f':
fake++;
break;
case 'v':
verbose++;
break;
case 'n':
nomtab++;
break;
case 't':
opts->fstype = optarg;
break;
case 'o':
if (opts->opts)
opts->opts = xstrconcat3(opts->opts, ",",
optarg);
else
opts->opts = xstrdup(optarg);
break;
case 'r':
readonly++;
break;
case 'w':
readwrite++;
break;
case 'V':
show_version_only++;
break;
default:
break;
}
}
if (show_version_only) {
show_version();
exit(0);
}
parse_opts(opts->opts, &opts->flags, &opts->extra_opts);
}
/*
* For local mounts, add heartbeat=none.
* For userspace clusterstack, add cluster_stack=xxxx.
* For o2cb with local heartbeat, add heartbeat=local.
* For o2cb with global heartbeat, add heartbeat=global.
*/
static errcode_t add_mount_options(ocfs2_filesys *fs,
struct o2cb_cluster_desc *cluster,
char **optstr)
{
char *add, *extra = NULL;
char stackstr[strlen(OCFS2_CLUSTER_STACK_ARG) + OCFS2_STACK_LABEL_LEN + 1];
struct ocfs2_super_block *sb = OCFS2_RAW_SB(fs->fs_super);
if (ocfs2_mount_local(fs) || ocfs2_is_hard_readonly(fs)) {
add = OCFS2_HB_NONE;
goto addit;
}
if (cluster->c_stack &&
strcmp(cluster->c_stack, OCFS2_CLASSIC_CLUSTER_STACK)) {
snprintf(stackstr, sizeof(stackstr), "%s%s",
OCFS2_CLUSTER_STACK_ARG, cluster->c_stack);
add = stackstr;
goto addit;
}
if (ocfs2_cluster_o2cb_global_heartbeat(sb)) {
add = OCFS2_HB_GLOBAL;
goto addit;
}
add = OCFS2_HB_LOCAL;
addit:
if (*optstr && *(*optstr))
extra = xstrconcat3(*optstr, ",", add);
else
extra = xstrndup(add, strlen(add));
if (!extra)
return OCFS2_ET_NO_MEMORY;
*optstr = extra;
return 0;
}
/**
* Program entry point
*
* @param argc count of command line arguments
* @param argv array of NUL-terminated C strings containing command line arguments
* @return program exit status
*/
int main(int argc, char *argv[])
{
char *source, *target, *text_options;
int c, mnt_err;
(void)setlocale(LC_ALL, "");
progname = basename(argv[0]);
if (argv[1] && argv[1][0] == '-') {
if(argv[1][1] == 'V')
printf("%s ("PACKAGE_STRING")\n", progname);
else
mount_usage();
exit(EX_SUCCESS);
}
if (argc < 3) {
mount_usage();
exit(EX_USAGE);
}
source = argv[1];
target = argv[2];
mnt_err = EX_USAGE;
text_options = NULL;
readonly = false;
sloppy = false;
fake = false;
argv[2] = argv[0]; /* so that getopt error messages are correct */
while ((c = getopt_long(argc - 2, argv + 2, fedfs_opts,
fedfs_longopts, NULL)) != -1) {
switch (c) {
case 'f':
fake = true;
break;
case 'n':
++nomtab;
break;
case 'o':
/* Ugh. */
if (text_options != NULL)
text_options = xstrconcat3(text_options, ",", optarg);
else
text_options = strdup(optarg);
if (text_options == NULL) {
fprintf(stderr, _("%s: No memory\n"), progname);
goto out;
}
break;
case 'r':
readonly = true;
break;
case 's':
sloppy = true;
break;
case 'v':
++verbose;
break;
case 'V':
printf("%s: ("PACKAGE_STRING")\n", progname);
mnt_err = EX_SUCCESS;
goto out;
case 'w':
readonly = false;
break;
case 'h':
default:
mount_usage();
goto out;
}
}
/* Extra non-option words at the end are bogus... */
if (optind != argc - 2) {
mount_usage();
goto out;
}
if (getuid() != 0 && geteuid() != 0) {
fprintf(stderr, _("%s: Not installed setuid - "
"\"user\" FedFS mounts are not supported\n"), progname);
mnt_err = EX_FAIL;
goto out;
}
mnt_err = try_mount(source, target, text_options);
out:
free(text_options);
exit(mnt_err);
}
