feat: adapt semios filesystem layout

Signed-off-by: sisungo <[email protected]>

include/resolv.h

@@ -64,7 +64,7 @@ typedef struct __res_state {
 #define	__RES	19960801
 
 #ifndef _PATH_RESCONF
-#define _PATH_RESCONF        "/etc/resolv.conf"
+#define _PATH_RESCONF        "/var/config/network/resolv.conf"
 #endif
 
 struct res_sym {

src/locale/iconv.c

@@ -69,7 +69,7 @@
 #define ICONV_ERR_ILLEGAL_OPCODE -4
 #define ICONV_ERR_MEMORY_OVERFLOW -5
 
-#define ICONV_CHARSET_PATH_PREFIX "/etc/iconv/"
+#define ICONV_CHARSET_PATH_PREFIX "/share/iconv/"
 
 static const uint8_t vm_binary_magic[4] = { 'S', 'I', 'C', 'V' };
 

src/network/getnameinfo.c

@@ -47,7 +47,7 @@ static void reverse_hosts(char *buf, const unsigned char *a, unsigned scopeid, i
 	char line[512], *p, *z;
 	unsigned char _buf[1032], atmp[16];
 	struct address iplit;
-	FILE _f, *f = __fopen_rb_ca("/etc/hosts", &_f, _buf, sizeof _buf);
+	FILE _f, *f = __fopen_rb_ca("/var/config/network/hosts", &_f, _buf, sizeof _buf);
 	if (!f) return;
 	if (family == AF_INET) {
 		memcpy(atmp+12, a, 4);
@@ -71,7 +71,7 @@ static void reverse_hosts(char *buf, const unsigned char *a, unsigned scopeid, i
 
 		if (memcmp(a, iplit.addr, 16) || iplit.scopeid != scopeid)
 			continue;
-			
+
 		for (; *p && isspace(*p); p++);
 		for (z=p; *z && !isspace(*z); z++);
 		*z = 0;
@@ -116,7 +116,7 @@ static int dns_parse_callback(void *c, int rr, const void *data, int len, const
 	    data, c, 256) <= 0)
 		*(char *)c = 0;
 	return 0;
-	
+
 }
 
 int getnameinfo(const struct sockaddr *restrict sa, socklen_t sl,

src/network/lookup_name.c

@@ -52,7 +52,7 @@ static int name_from_hosts(struct address buf[static MAXADDRS], char canon[stati
 	size_t l = strlen(name);
 	int cnt = 0, badfam = 0, have_canon = 0;
 	unsigned char _buf[1032];
-	FILE _f, *f = __fopen_rb_ca("/etc/hosts", &_f, _buf, sizeof _buf);
+	FILE _f, *f = __fopen_rb_ca("/var/config/network/hosts", &_f, _buf, sizeof _buf);
 	if (!f) switch (errno) {
 	case ENOENT:
 	case ENOTDIR:

src/network/resolvconf.c

@@ -18,7 +18,7 @@ int __get_resolv_conf(struct resolvconf *conf, char *search, size_t search_sz)
 	conf->attempts = 2;
 	if (search) *search = 0;
 
-	f = __fopen_rb_ca("/etc/resolv.conf", &_f, _buf, sizeof _buf);
+	f = __fopen_rb_ca("/var/config/network/resolv.conf", &_f, _buf, sizeof _buf);
 	if (!f) switch (errno) {
 	case ENOENT:
 	case ENOTDIR:

src/passwd/account_client.h

@@ -0,0 +1,404 @@
+#include <pwd.h>
+#include <grp.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <stddef.h>
+#include <stdio.h>
+
+#include "spp.h"
+#include "json.h"
+
+#ifndef _ACCOUNT_CLIENT
+#define _ACCOUNT_CLIENT
+
+#define REQ2(condition, err) if (!(condition)) { errno = err; return -1; }
+#define REQ(condition) REQ2(condition, EPERM)
+#define REQP2(condition, err) if (!(condition)) { errno = err; return NULL; }
+#define REQP(condition) REQP2(condition, EPERM)
+#define ITEROBJ(obj, it) for (struct json_object_element_s *it = obj->start; it != NULL; it = it->next)
+#define DECLPOOL(pool, buf, size) struct account_memory_pool pool = { .ptr = buf, .len = size, .cursor = 0 }
+
+#ifdef __linux__
+static inline int account_connect() {
+    return spp_connect_linux("verified:org.semilabs.os/accountd");
+}
+#else
+static inline int account_connect() {
+    return spp_connect_unix("/var/run/accountd.sock");
+}
+#endif /* __linux__ */
+
+struct account_memory_pool {
+    void *ptr;
+    size_t cursor;
+    size_t len;
+};
+
+static inline void *account_allocate_pool(struct account_memory_pool *pool, size_t size) {
+    if (!pool || !pool->ptr || size == 0) {
+        return NULL;
+    }
+    if (pool->cursor + size > pool->len) {
+        return NULL;
+    }
+    void *result = (char *)pool->ptr + pool->cursor;
+    pool->cursor += size;
+    return result;
+}
+
+static inline int account_recordpw(
+    struct json_value_s *root,
+    struct passwd *passwd,
+    struct account_memory_pool *pool
+) {
+    passwd->pw_passwd = account_allocate_pool(pool, 2);
+    REQ2(passwd->pw_passwd, ERANGE);
+    strcpy(passwd->pw_passwd, "x");
+
+    passwd->pw_gecos = account_allocate_pool(pool, 1);
+    REQ2(passwd->pw_gecos, ERANGE);
+    strcpy(passwd->pw_gecos, "");
+
+    struct json_object_s *object = json_value_as_object(root);
+    REQ(object);
+    ITEROBJ(object, it) {
+        const char *name = it->name->string;
+        struct json_value_s *value = it->value;
+
+        if (strcmp(name, "username") == 0) {
+            struct json_string_s *username = json_value_as_string(value);
+            REQ(username);
+            passwd->pw_name = account_allocate_pool(pool, username->string_size + 1);
+            REQ2(passwd->pw_name, ERANGE);
+            strcpy(passwd->pw_name, username->string);
+            continue;
+        }
+        if (strcmp(name, "home_directory") == 0) {
+            struct json_string_s *homedir = json_value_as_string(value);
+            REQ(homedir);
+            passwd->pw_dir = account_allocate_pool(pool, homedir->string_size + 1);
+            REQ2(passwd->pw_dir, ERANGE);
+            strcpy(passwd->pw_dir, homedir->string);
+            continue;
+        }
+        if (strcmp(name, "defaults") == 0) {
+            struct json_object_s *defaults = json_value_as_object(value);
+            REQ(defaults);
+            ITEROBJ(defaults, def) {
+                name = def->name->string;
+                value = def->value;
+                if (strcmp(name, "CliLoginShell") == 0) {
+                    struct json_string_s *shell = json_value_as_string(value);
+                    REQ(shell);
+                    passwd->pw_shell = account_allocate_pool(pool, shell->string_size + 1);
+                    REQ2(passwd->pw_shell, ERANGE);
+                    strcpy(passwd->pw_shell, shell->string);
+                    continue;
+                }
+            }
+            continue;
+        }
+        if (strcmp(name, "host_uid") == 0) {
+            struct json_number_s *uid = json_value_as_number(value);
+            REQ(uid);
+            passwd->pw_uid = atoi(uid->number);
+            continue;
+        }
+    }
+
+    return 0;
+}
+
+static inline int account_recordgr(
+    struct json_value_s *root,
+    struct group *group,
+    struct account_memory_pool *pool
+) {
+    group->gr_passwd = account_allocate_pool(pool, 2);
+    REQ2(group->gr_passwd, ERANGE);
+    strcpy(group->gr_passwd, "x");
+
+    struct json_object_s *object = json_value_as_object(root);
+    REQ(object);
+    ITEROBJ(object, it) {
+        const char *name = it->name->string;
+        struct json_value_s *value = it->value;
+
+        if (strcmp(name, "groupname") == 0) {
+            struct json_string_s *groupname = json_value_as_string(value);
+            REQ(groupname);
+            group->gr_name = account_allocate_pool(pool, groupname->string_size + 1);
+            REQ2(group->gr_name, ERANGE);
+            strcpy(group->gr_name, groupname->string);
+            continue;
+        }
+        if (strcmp(name, "host_gid") == 0) {
+            struct json_number_s *gid = json_value_as_number(value);
+            REQ(gid);
+            group->gr_gid = atoi(gid->number);
+            continue;
+        }
+    }
+
+    return 0;
+}
+
+typedef int (*pwgr_parser_t)(struct json_value_s*, void*, struct account_memory_pool*);
+
+static inline int account_getpwgrkey(
+    int fd,
+    const char *method,
+    const char *key,
+    const char *valueborder,
+    const char *name,
+    pwgr_parser_t parser,
+    void *pwgr,
+    struct account_memory_pool *pool
+) {
+    int status;
+
+    const char *request_template = "{\"method\": \"%s\", \"params\": {\"%s\": %s%s%s}}";
+    int request_need = snprintf(NULL, 0, request_template, method, key, valueborder, name, valueborder);
+    REQ(request_need > 0);
+    char *request_json = malloc(request_need + 1);
+    REQ2(request_json, ENOMEM);
+    snprintf(request_json, request_need + 1, request_template, method, key, valueborder, name, valueborder);
+    status = spp_send(fd, request_json);
+    free(request_json);
+    REQ(status == 0);
+
+    const char *reply_str = spp_recv(fd);
+    REQ(reply_str);
+
+    struct json_value_s *reply = json_parse(reply_str, strlen(reply_str));
+    spp_free((void*)reply_str);
+    REQ(reply);
+    struct json_object_s *reply_object = json_value_as_object(reply);
+    if (!reply_object) goto format_error;
+    ITEROBJ(reply_object, it) {
+        if (strcmp(it->name->string, "success") == 0) {
+            if (json_value_is_false(it->value)) goto not_found;
+            continue;
+        }
+        if (strcmp(it->name->string, "value") == 0) {
+            status = parser(it->value, pwgr, pool);
+            if (status != 0) goto not_found;
+            continue;
+        }
+    }
+
+    free(reply);
+    return 0;
+
+format_error:
+    errno = EPERM;
+not_found:
+    free(reply);
+    return -1;
+}
+
+static inline char *account_list_uuid_next(
+    int fd,
+    const char *method,
+    unsigned int no
+) {
+    int status;
+
+    const char *request_template = "{\"method\": \"%s\", \"params\": {\"start\": %u, \"len\": 1}}";
+    int request_need = snprintf(NULL, 0, request_template, method, no);
+    REQP(request_need > 0);
+    char *request_json = malloc(request_need + 1);
+    REQP2(request_json, ENOMEM);
+    snprintf(request_json, request_need + 1, request_template, method, no);
+    status = spp_send(fd, request_json);
+    free(request_json);
+    REQP(status == 0);
+
+    const char *reply_str = spp_recv(fd);
+    REQP(reply_str);
+
+    struct json_value_s *reply = json_parse(reply_str, strlen(reply_str));
+    spp_free((void*)reply_str);
+    REQP(reply);
+    struct json_object_s *reply_object = json_value_as_object(reply);
+    if (!reply_object) goto format_error;
+    ITEROBJ(reply_object, it) {
+        if (strcmp(it->name->string, "success") == 0) {
+            if (json_value_is_false(it->value)) goto not_found;
+            continue;
+        }
+        if (strcmp(it->name->string, "value") == 0) {
+            struct json_array_s *list = json_value_as_array(it->value);
+            if (!list) goto not_found;
+            struct json_array_element_s *first = list->start;
+            if (!first) goto not_found;
+            struct json_string_s *item = json_value_as_string(first->value);
+            if (!item) goto format_error;
+            return strdup(item->string);
+        }
+    }
+
+    free(reply);
+    return NULL;
+
+format_error:
+    errno = EPERM;
+not_found:
+    free(reply);
+    return NULL;
+}
+
+static inline int account_getpwuid(
+    int fd,
+    uid_t uid,
+    struct passwd *passwd,
+    struct account_memory_pool *pool
+) {
+    char uid_str[32];
+    int len = snprintf(uid_str, sizeof(uid_str), "%u", (unsigned int)uid);
+    REQ(len > 0 && (size_t)len < sizeof(uid_str));
+
+    return account_getpwgrkey(
+        fd,
+        "GetUserInfo",
+        "host_uid",
+        "",
+        uid_str,
+        (pwgr_parser_t)account_recordpw,
+        passwd,
+        pool
+    );
+}
+
+static inline int account_getpwnam(
+    int fd,
+    const char *name,
+    struct passwd *passwd,
+    struct account_memory_pool *pool
+) {
+    return account_getpwgrkey(
+        fd,
+        "GetUserInfo",
+        "username",
+        "\"",
+        name,
+        (pwgr_parser_t)account_recordpw,
+        passwd,
+        pool
+    );
+}
+
+static inline int account_getpwuuid(
+    int fd,
+    const char *uuid,
+    struct passwd *passwd,
+    struct account_memory_pool *pool
+) {
+    return account_getpwgrkey(
+        fd,
+        "GetUserInfo",
+        "uuid",
+        "\"",
+        uuid,
+        (pwgr_parser_t)account_recordpw,
+        passwd,
+        pool
+    );
+}
+
+static inline int account_getgrgid(
+    int fd,
+    gid_t gid,
+    struct group *group,
+    struct account_memory_pool *pool
+) {
+    char gid_str[32];
+    int len = snprintf(gid_str, sizeof(gid_str), "%u", (unsigned int)gid);
+    REQ(len > 0 && (size_t)len < sizeof(gid_str));
+
+    return account_getpwgrkey(
+        fd,
+        "GetGroupInfo",
+        "host_gid",
+        "",
+        gid_str,
+        (pwgr_parser_t)account_recordgr,
+        group,
+        pool
+    );
+}
+
+static inline int account_getgrnam(
+    int fd,
+    const char *name,
+    struct group *group,
+    struct account_memory_pool *pool
+) {
+    return account_getpwgrkey(
+        fd,
+        "GetGroupInfo",
+        "groupname",
+        "\"",
+        name,
+        (pwgr_parser_t)account_recordgr,
+        group,
+        pool
+    );
+}
+
+static inline int account_getgruuid(
+    int fd,
+    const char *uuid,
+    struct group *group,
+    struct account_memory_pool *pool
+) {
+    return account_getpwgrkey(
+        fd,
+        "GetGroupInfo",
+        "uuid",
+        "\"",
+        uuid,
+        (pwgr_parser_t)account_recordgr,
+        group,
+        pool
+    );
+}
+
+static inline int account_getpwent(
+    int fd,
+    unsigned int *no,
+    struct passwd *passwd,
+    struct account_memory_pool *pool
+) {
+    int status;
+
+    char *next_uuid = account_list_uuid_next(fd, "ListUser", *no);
+    REQ2(next_uuid, errno);
+    status = account_getpwuuid(fd, next_uuid, passwd, pool);
+    free(next_uuid);
+    REQ(status == 0);
+    *no += 1;
+
+    return 0;
+}
+
+static inline int account_getgrent(
+    int fd,
+    unsigned int *no,
+    struct group *group,
+    struct account_memory_pool *pool
+) {
+    int status;
+
+    char *next_uuid = account_list_uuid_next(fd, "ListGroup", *no);
+    REQ2(next_uuid, errno);
+    status = account_getgruuid(fd, next_uuid, group, pool);
+    free(next_uuid);
+    REQ(status == 0);
+    *no += 1;
+
+    return 0;
+}
+
+#endif /* _ACCOUNT_CLIENT */

src/passwd/getgr_r.c

@@ -1,49 +1,62 @@
-#include "pwf.h"
-#include <pthread.h>
+#include "account_client.h"
+#include <grp.h>
+#include <string.h>
+#include <errno.h>
 
-#define FIX(x) (gr->gr_##x = gr->gr_##x-line+buf)
-
-static int getgr_r(const char *name, gid_t gid, struct group *gr, char *buf, size_t size, struct group **res)
-{
-	char *line = 0;
-	size_t len = 0;
-	char **mem = 0;
-	size_t nmem = 0;
-	int rv = 0;
-	size_t i;
-	int cs;
-
-	pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
-
-	rv = __getgr_a(name, gid, gr, &line, &len, &mem, &nmem, res);
-	if (*res && size < len + (nmem+1)*sizeof(char *) + 32) {
-		*res = 0;
-		rv = ERANGE;
-	}
-	if (*res) {
-		buf += (16-(uintptr_t)buf)%16;
-		gr->gr_mem = (void *)buf;
-		buf += (nmem+1)*sizeof(char *);
-		memcpy(buf, line, len);
-		FIX(name);
-		FIX(passwd);
-		for (i=0; mem[i]; i++)
-			gr->gr_mem[i] = mem[i]-line+buf;
-		gr->gr_mem[i] = 0;
-	}
- 	free(mem);
- 	free(line);
-	pthread_setcancelstate(cs, 0);
-	if (rv) errno = rv;
-	return rv;
-}
+#define VERIFYPOOL(pool) if (!pool.ptr || pool.len == 0) { if (res) *res = NULL; return EINVAL; }
 
 int getgrnam_r(const char *name, struct group *gr, char *buf, size_t size, struct group **res)
 {
-	return getgr_r(name, 0, gr, buf, size, res);
+    int ret;
+    int saved_errno;
+
+    DECLPOOL(pool, buf, size);
+    VERIFYPOOL(pool);
+
+    int fd = account_connect();
+    if (fd < 0) {
+        saved_errno = errno;
+        *res = NULL;
+        return saved_errno != 0 ? saved_errno : EIO;
+    }
+
+    ret = account_getgrnam(fd, name, gr, &pool);
+    saved_errno = errno;
+    spp_close(fd);
+
+    if (ret != 0) {
+        *res = NULL;
+        return 0;
+    }
+
+    *res = gr;
+    return 0;
 }
 
 int getgrgid_r(gid_t gid, struct group *gr, char *buf, size_t size, struct group **res)
 {
-	return getgr_r(0, gid, gr, buf, size, res);
+    int ret;
+    int saved_errno;
+
+    DECLPOOL(pool, buf, size);
+    VERIFYPOOL(pool);
+
+    int fd = account_connect();
+    if (fd < 0) {
+        saved_errno = errno;
+        *res = NULL;
+        return saved_errno != 0 ? saved_errno : EIO;
+    }
+
+    ret = account_getgrgid(fd, gid, gr, &pool);
+    saved_errno = errno;
+    spp_close(fd);
+
+    if (ret != 0) {
+        *res = NULL;
+        return 0;
+    }
+
+    *res = gr;
+    return 0;
 }

src/passwd/getgrent.c

@@ -1,39 +1,70 @@
-#include "pwf.h"
+#include <grp.h>
+#include <string.h>
+#include <errno.h>
+#include "account_client.h"
 
-static FILE *f;
-static char *line, **mem;
 static struct group gr;
+static char grs_buf[16384];
+unsigned int igrent = 0;
 
 void setgrent()
 {
-	if (f) fclose(f);
-	f = 0;
+    igrent = 0;
 }
 
 weak_alias(setgrent, endgrent);
 
 struct group *getgrent()
 {
-	struct group *res;
-	size_t size=0, nmem=0;
-	if (!f) f = fopen("/etc/group", "rbe");
-	if (!f) return 0;
-	__getgrent_a(f, &gr, &line, &size, &mem, &nmem, &res);
-	return res;
+    memset(&gr, 0, sizeof(gr));
+    memset(grs_buf, 0, sizeof(grs_buf));
+    DECLPOOL(pool, grs_buf, sizeof(grs_buf));
+
+    int fd = account_connect();
+    int status = account_getgrent(fd, &igrent, &gr, &pool);
+    spp_close(fd);
+    if (status != 0) return NULL;
+	return &gr;
 }
 
 struct group *getgrgid(gid_t gid)
 {
-	struct group *res;
-	size_t size=0, nmem=0;
-	__getgr_a(0, gid, &gr, &line, &size, &mem, &nmem, &res);
-	return res;
+    struct group *result;
+    int ret;
+
+    memset(&gr, 0, sizeof(gr));
+    memset(grs_buf, 0, sizeof(grs_buf));
+
+    ret = getgrgid_r(gid, &gr, grs_buf, sizeof(grs_buf), &result);
+    if (ret != 0) {
+        errno = ret;
+        return NULL;
+    }
+    if (result == NULL) {
+        errno = 0;
+        return NULL;
+    }
+
+    return &gr;
 }
 
 struct group *getgrnam(const char *name)
 {
-	struct group *res;
-	size_t size=0, nmem=0;
-	__getgr_a(name, 0, &gr, &line, &size, &mem, &nmem, &res);
-	return res;
+    struct group *result;
+    int ret;
+
+    memset(&gr, 0, sizeof(gr));
+    memset(grs_buf, 0, sizeof(grs_buf));
+
+    ret = getgrnam_r(name, &gr, grs_buf, sizeof(grs_buf), &result);
+    if (ret != 0) {
+        errno = ret;
+        return NULL;
+    }
+    if (result == NULL) {
+        errno = 0;
+        return NULL;
+    }
+
+    return &gr;
 }

src/passwd/getpw_r.c

@@ -1,42 +1,62 @@
-#include "pwf.h"
-#include <pthread.h>
+#include "account_client.h"
+#include <pwd.h>
+#include <string.h>
+#include <errno.h>
 
-#define FIX(x) (pw->pw_##x = pw->pw_##x-line+buf)
-
-static int getpw_r(const char *name, uid_t uid, struct passwd *pw, char *buf, size_t size, struct passwd **res)
-{
-	char *line = 0;
-	size_t len = 0;
-	int rv = 0;
-	int cs;
-
-	pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
-
-	rv = __getpw_a(name, uid, pw, &line, &len, res);
-	if (*res && size < len) {
-		*res = 0;
-		rv = ERANGE;
-	}
-	if (*res) {
-		memcpy(buf, line, len);
-		FIX(name);
-		FIX(passwd);
-		FIX(gecos);
-		FIX(dir);
-		FIX(shell);
-	}
- 	free(line);
-	pthread_setcancelstate(cs, 0);
-	if (rv) errno = rv;
-	return rv;
-}
+#define VERIFYPOOL(pool) if (!pool.ptr || pool.len == 0) { if (res) *res = NULL; return EINVAL; }
 
 int getpwnam_r(const char *name, struct passwd *pw, char *buf, size_t size, struct passwd **res)
 {
-	return getpw_r(name, 0, pw, buf, size, res);
+    int ret;
+    int saved_errno;
+
+    DECLPOOL(pool, buf, size);
+    VERIFYPOOL(pool);
+
+    int fd = account_connect();
+    if (fd < 0) {
+        saved_errno = errno;
+        *res = NULL;
+        return saved_errno != 0 ? saved_errno : EIO;
+    }
+
+    ret = account_getpwnam(fd, name, pw, &pool);
+    saved_errno = errno;
+    spp_close(fd);
+
+    if (ret != 0) {
+        *res = NULL;
+        return 0;
+    }
+
+    *res = pw;
+    return 0;
 }
 
 int getpwuid_r(uid_t uid, struct passwd *pw, char *buf, size_t size, struct passwd **res)
 {
-	return getpw_r(0, uid, pw, buf, size, res);
+    int ret;
+    int saved_errno;
+
+    DECLPOOL(pool, buf, size);
+    VERIFYPOOL(pool);
+
+    int fd = account_connect();
+    if (fd < 0) {
+        saved_errno = errno;
+        *res = NULL;
+        return saved_errno != 0 ? saved_errno : EIO;
+    }
+
+    ret = account_getpwuid(fd, uid, pw, &pool);
+    saved_errno = errno;
+    spp_close(fd);
+
+    if (ret != 0) {
+        *res = NULL;
+        return 0;
+    }
+
+    *res = pw;
+    return 0;
 }

src/passwd/getpwent.c

@@ -1,37 +1,70 @@
-#include "pwf.h"
+#include <pwd.h>
+#include <string.h>
+#include <errno.h>
+#include "account_client.h"
 
-static FILE *f;
-static char *line;
 static struct passwd pw;
-static size_t size;
+static char pwr_buf[16384];
+unsigned int ipwent = 0;
 
 void setpwent()
 {
-	if (f) fclose(f);
-	f = 0;
+    ipwent = 0;
 }
 
 weak_alias(setpwent, endpwent);
 
 struct passwd *getpwent()
 {
-	struct passwd *res;
-	if (!f) f = fopen("/etc/passwd", "rbe");
-	if (!f) return 0;
-	__getpwent_a(f, &pw, &line, &size, &res);
-	return res;
+    memset(&pw, 0, sizeof(pw));
+    memset(pwr_buf, 0, sizeof(pwr_buf));
+    DECLPOOL(pool, pwr_buf, sizeof(pwr_buf));
+
+    int fd = account_connect();
+    int status = account_getpwent(fd, &ipwent, &pw, &pool);
+    spp_close(fd);
+    if (status != 0) return NULL;
+	return &pw;
 }
 
 struct passwd *getpwuid(uid_t uid)
 {
-	struct passwd *res;
-	__getpw_a(0, uid, &pw, &line, &size, &res);
-	return res;
+    struct passwd *result;
+    int ret;
+
+    memset(&pw, 0, sizeof(pw));
+    memset(pwr_buf, 0, sizeof(pwr_buf));
+
+    ret = getpwuid_r(uid, &pw, pwr_buf, sizeof(pwr_buf), &result);
+    if (ret != 0) {
+        errno = ret;
+        return NULL;
+    }
+    if (result == NULL) {
+        errno = 0;
+        return NULL;
+    }
+
+    return &pw;
 }
 
 struct passwd *getpwnam(const char *name)
 {
-	struct passwd *res;
-	__getpw_a(name, 0, &pw, &line, &size, &res);
-	return res;
+    struct passwd *result;
+    int ret;
+
+    memset(&pw, 0, sizeof(pw));
+    memset(pwr_buf, 0, sizeof(pwr_buf));
+
+    ret = getpwnam_r(name, &pw, pwr_buf, sizeof(pwr_buf), &result);
+    if (ret != 0) {
+        errno = ret;
+        return NULL;
+    }
+    if (result == NULL) {
+        errno = 0;
+        return NULL;
+    }
+
+    return &pw;
 }

src/passwd/spp.h

@@ -0,0 +1,124 @@
+#ifndef SPP_H
+#define SPP_H
+
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <errno.h>
+
+static inline int write_all(int fd, const void *buf, size_t len)
+{
+    const char *p = buf;
+    size_t remaining = len;
+    while (remaining > 0) {
+        ssize_t n = write(fd, p, remaining);
+        if (n <= 0) return -1;
+        p += n;
+        remaining -= (size_t)n;
+    }
+    return 0;
+}
+
+static inline int read_all(int fd, void *buf, size_t len)
+{
+    char *p = buf;
+    size_t remaining = len;
+    while (remaining > 0) {
+        ssize_t n = read(fd, p, remaining);
+        if (n <= 0) return -1;
+        p += n;
+        remaining -= (size_t)n;
+    }
+    return 0;
+}
+
+static inline int spp_connect_common(const char *path, int abstract)
+{
+    int fd = socket(AF_UNIX, SOCK_STREAM, 0);
+    if (fd == -1) return -1;
+
+    struct sockaddr_un addr;
+    memset(&addr, 0, sizeof(addr));
+    addr.sun_family = AF_UNIX;
+
+    size_t len = strlen(path);
+    if (len >= sizeof(addr.sun_path)) {
+        close(fd);
+        errno = ENAMETOOLONG;
+        return -1;
+    }
+
+    socklen_t addrlen;
+
+    if (abstract) {
+        addr.sun_path[0] = '\0';
+        memcpy(addr.sun_path + 1, path, len);
+        addrlen = offsetof(struct sockaddr_un, sun_path) + 1 + len;
+    } else {
+        memcpy(addr.sun_path, path, len);
+        addrlen = offsetof(struct sockaddr_un, sun_path) + len;
+    }
+
+    if (connect(fd, (struct sockaddr *)&addr, addrlen) == -1) {
+        close(fd);
+        return -1;
+    }
+
+    return fd;
+}
+
+static inline int spp_connect_unix(char *path)
+{
+    return spp_connect_common(path, 0);
+}
+
+static inline int spp_connect_linux(char *abstract_name)
+{
+    return spp_connect_common(abstract_name, 1);
+}
+
+static inline void spp_close(int fd)
+{
+    if (fd >= 0) close(fd);
+}
+
+static inline int spp_send(int fd, char *packet)
+{
+    size_t data_len = strlen(packet);
+    if (data_len > UINT32_MAX) return -1;
+
+    uint32_t len = (uint32_t)data_len;
+
+    if (write_all(fd, &len, sizeof(len)) == -1) return -1;
+    if (data_len > 0 && write_all(fd, packet, data_len) == -1) return -1;
+
+    return 0;
+}
+
+static inline char *spp_recv(int fd)
+{
+    uint32_t len;
+    if (read_all(fd, &len, sizeof(len)) == -1) return NULL;
+
+    char *buf = malloc(len + 1);
+    if (!buf) return NULL;
+
+    if (len > 0 && read_all(fd, buf, len) == -1) {
+        free(buf);
+        return NULL;
+    }
+
+    buf[len] = '\0';
+    return buf;
+}
+
+static inline void spp_free(void *p)
+{
+    free(p);
+}
+
+#endif

src/time/__tz.c

@@ -132,7 +132,7 @@ static void do_tzset()
 		"/usr/share/zoneinfo/\0/share/zoneinfo/\0/etc/zoneinfo/\0";
 
 	s = getenv("TZ");
-	if (!s) s = "/etc/localtime";
+	if (!s) s = "/var/config/localtime";
 	if (!*s) s = __utc;
 
 	if (old_tz && !strcmp(s, old_tz)) return;
@@ -163,7 +163,7 @@ static void do_tzset()
 		             || !strcmp(dummy_name, "UTC")
 		             || !strcmp(dummy_name, "GMT")))
 			posix_form = 1;
-	}	
+	}
 
 	/* Non-suid can use an absolute tzfile pathname or a relative
 	 * pathame beginning with "."; in secure mode, only the
@@ -171,7 +171,7 @@ static void do_tzset()
 	if (!posix_form) {
 		if (*s == ':') s++;
 		if (*s == '/' || *s == '.') {
-			if (!libc.secure || !strcmp(s, "/etc/localtime"))
+			if (!libc.secure || !strcmp(s, "/var/config/localtime"))
 				map = __map_file(s, &map_size);
 		} else {
 			size_t l = strlen(s);

tools/compile-iconv.rs

@@ -11,8 +11,7 @@ fn main() {
     let dst = args.next().expect("please specify output file");
 
     let mut octos = Vec::new();
-    let src_content = std::fs::read_to_string(&src)
-        .expect("cannot read source file");
+    let src_content = std::fs::read_to_string(&src).expect("cannot read source file");
     let mut current_tag = None;
     for (nline, line) in src_content.lines().enumerate() {
         let line = line.trim();
@@ -129,7 +128,9 @@ fn do_arg(s: &str, content: &mut [u8; 8], cursor: &mut usize) -> Option<(usize,
             _ => panic!("unknown radix"),
         };
         *cursor = 8;
-        *content = u64::from_str_radix(&digit[1..], radix).unwrap().to_be_bytes();
+        *content = u64::from_str_radix(&digit[1..], radix)
+            .unwrap()
+            .to_be_bytes();
         None
     } else if let Some(reg_id) = s.strip_prefix("&r") {
         content[*cursor] = reg_id.parse::<u8>().unwrap();