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main.c: Ensure essential directories on startup 

So far, slcl failed with poorly described error messages when any of the
essential directories were missing. Now, these are created automatically
so that the initial setup is easier.
This commit is contained in:
Xavier Del Campo Romero 2023-03-16 01:46:49 +01:00
parent 955ae07f55
commit 7e2e37d40a
Signed by: xavi
GPG Key ID: 84FF3612A9BF43F2
1 changed files with 72 additions and 0 deletions
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72
main.c
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@ -1113,6 +1113,77 @@ static int parse_args(const int argc, char *const argv[],
return 0;
}
static int ensure_dir(const char *const dir)
{
struct stat sb;
if (stat(dir, &sb))
{
switch (errno)
{
case ENOENT:
if (mkdir(dir, S_IRWXU))
{
fprintf(stderr, "%s: mkdir(2) %s: %s\n",
__func__, dir, strerror(errno));
return -1;
}
printf("Created empty directory at %s\n", dir);
break;
default:
fprintf(stderr, "%s: stat(2): %s\n", __func__, strerror(errno));
return -1;
}
}
return 0;
}
static int init_dirs(const char *const dir)
{
int ret = -1;
struct dynstr user, public;
struct sb;
dynstr_init(&user);
dynstr_init(&public);
if (dynstr_append(&user, "%s/user", dir))
{
fprintf(stderr, "%s: dynstr_append user failed\n", __func__);
goto end;
}
else if (dynstr_append(&public, "%s/public", dir))
{
fprintf(stderr, "%s: dynstr_append public failed\n", __func__);
goto end;
}
else if (ensure_dir(dir))
{
fprintf(stderr, "%s: ensure_dir dir failed\n", __func__);
goto end;
}
else if (ensure_dir(user.str))
{
fprintf(stderr, "%s: ensure_dir user failed\n", __func__);
goto end;
}
else if (ensure_dir(public.str))
{
fprintf(stderr, "%s: ensure_dir public failed\n", __func__);
goto end;
}
ret = 0;
end:
dynstr_free(&user);
dynstr_free(&public);
return ret;
}
int main(const int argc, char *const argv[])
{
int ret = EXIT_FAILURE;
@ -1122,6 +1193,7 @@ int main(const int argc, char *const argv[])
unsigned short port;
if (parse_args(argc, argv, &dir, &port, &tmpdir)
|| init_dirs(dir)
|| !(a = auth_alloc(dir)))
goto end;