build: Build mlibc + add distclean target

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 0 insertions, 217 deletions

diff --git a/lib/mlibc/options/glibc/generic/shadow-stubs.cpp b/lib/mlibc/options/glibc/generic/shadow-stubs.cpp
deleted file mode 100644
index 9ce6584..0000000
--- a/lib/mlibc/options/glibc/generic/shadow-stubs.cpp
+++ /dev/null
@@ -1,217 +0,0 @@
-#include <shadow.h>
-#include <errno.h>
-#include <limits.h>
-#include <pthread.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/stat.h>
-
-#include <bits/ensure.h>
-#include <mlibc/debug.hpp>
-
-/*
- * The code in this file is largely based on or taken from musl.
- * This includes:
- * - xatol
- * - __parsespent
- * - cleanup
- * - getspnam_r
- * - getspnam
- */
-#define NUM(n) ((n) == -1 ? 0 : -1), ((n) == -1 ? 0 : (n))
-
-int putspent(const struct spwd *sp, FILE *f) {
-	auto str = [] (char *s) {
-		return ((s) ? (s) : "");
-	};
-	return fprintf(f, "%s:%s:%.*d:%.*d:%.*d:%.*d:%.*d:%.*d:%.*u\n",
-		str(sp->sp_namp), str(sp->sp_pwdp), NUM(sp->sp_lstchg),
-		NUM(sp->sp_min), NUM(sp->sp_max), NUM(sp->sp_warn),
-		NUM(sp->sp_inact), NUM(sp->sp_expire), NUM((int)sp->sp_flag)) < 0 ? -1 : 0;
-}
-#undef NUM
-
-static long xatol(char **s) {
-	long x;
-	if(**s == ':' || **s == '\n') {
-		return -1;
-	}
-	for(x = 0; (unsigned int)**s - '0' < 10U; ++*s) {
-		x = 10 * x + (**s - '0');
-	}
-	return x;
-}
-
-static int __parsespent(char *s, struct spwd *sp) {
-	sp->sp_namp = s;
-	if(!(s = strchr(s, ':'))) {
-		return -1;
-	}
-	*s = 0;
-
-	sp->sp_pwdp = ++s;
-	if(!(s = strchr(s, ':'))) {
-		return -1;
-	}
-	*s = 0;
-
-	s++;
-	sp->sp_lstchg = xatol(&s);
-	if(*s != ':') {
-		return -1;
-	}
-
-	s++;
-	sp->sp_min = xatol(&s);
-	if(*s != ':') {
-		return -1;
-	}
-
-	s++;
-	sp->sp_max = xatol(&s);
-	if(*s != ':') {
-		return -1;
-	}
-
-	s++;
-	sp->sp_warn = xatol(&s);
-	if(*s != ':') {
-		return -1;
-	}
-
-	s++;
-	sp->sp_inact = xatol(&s);
-	if(*s != ':') {
-		return -1;
-	}
-
-	s++;
-	sp->sp_expire = xatol(&s);
-	if(*s != ':') {
-		return -1;
-	}
-
-	s++;
-	sp->sp_flag = xatol(&s);
-	if(*s != '\n') {
-		return -1;
-	}
-	return 0;
-}
-
-static void cleanup(void *p) {
-	fclose((FILE *)p);
-}
-
-int getspnam_r(const char *name, struct spwd *sp, char *buf, size_t size, struct spwd **res) {
-	char path[20 + NAME_MAX];
-	FILE *f = 0;
-	int rv = 0;
-	int fd;
-	size_t k, l = strlen(name);
-	int skip = 0;
-	int cs;
-	int orig_errno = errno;
-
-	*res = 0;
-
-	/* Disallow potentially-malicious user names */
-	if(*name=='.' || strchr(name, '/') || !l) {
-		return errno = EINVAL;
-	}
-
-	/* Buffer size must at least be able to hold name, plus some.. */
-	if(size < l + 100) {
-		return errno = ERANGE;
-	}
-
-	/* Protect against truncation */
-	if(snprintf(path, sizeof path, "/etc/tcb/%s/shadow", name) >= (int)sizeof path) {
-		return errno = EINVAL;
-	}
-
-	fd = open(path, O_RDONLY|O_NOFOLLOW|O_NONBLOCK|O_CLOEXEC);
-	if(fd >= 0) {
-		struct stat st = {};
-		errno = EINVAL;
-		if(fstat(fd, &st) || !S_ISREG(st.st_mode) || !(f = fdopen(fd, "rb"))) {
-			pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
-			close(fd);
-			pthread_setcancelstate(cs, 0);
-			return errno;
-		}
-	} else {
-		if(errno != ENOENT && errno != ENOTDIR) {
-			return errno;
-		}
-		f = fopen("/etc/shadow", "rbe");
-		if(!f) {
-			if(errno != ENOENT && errno != ENOTDIR) {
-				return errno;
-			}
-			return 0;
-		}
-	}
-
-	pthread_cleanup_push(cleanup, f);
-	while(fgets(buf, size, f) && (k = strlen(buf)) > 0) {
-		if(skip || strncmp(name, buf, l) || buf[l] != ':') {
-			skip = buf[k - 1] != '\n';
-			continue;
-		}
-		if(buf[k - 1] != '\n') {
-			rv = ERANGE;
-			break;
-		}
-
-		if(__parsespent(buf, sp) < 0) {
-			continue;
-		}
-		*res = sp;
-		break;
-	}
-	pthread_cleanup_pop(1);
-	errno = rv ? rv : orig_errno;
-	return rv;
-}
-
-int lckpwdf(void) {
-	mlibc::infoLogger() << "mlibc: lckpwdf is unimplemented like musl" << frg::endlog;
-	return 0;
-}
-
-int ulckpwdf(void) {
-	mlibc::infoLogger() << "mlibc: ulckpwdf is unimplemented like musl" << frg::endlog;
-	return 0;
-}
-
-// Musl defines LINE_LIM to 256
-#define LINE_LIM 256
-
-struct spwd *getspnam(const char *name) {
-	static struct spwd sp;
-	static char *line;
-	struct spwd *res;
-	int e;
-	int orig_errno = errno;
-
-	if(!line) {
-		line = (char *)malloc(LINE_LIM);
-	}
-	if(!line) {
-		return 0;
-	}
-	e = getspnam_r(name, &sp, line, LINE_LIM, &res);
-	errno = e ? e : orig_errno;
-	return res;
-}
-
-struct spwd *fgetspent(FILE *) {
-	__ensure(!"Not implemented");
-	__builtin_unreachable();
-}
-
-void endspent(void) {
-	mlibc::infoLogger() << "mlibc: endspent is a stub" << frg::endlog;
-}