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util: user parse_uid() wherever applicable

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This commit is contained in:
Lennart Poettering 2011-07-23 00:47:17 +02:00
parent 034a2a52ac
commit ddd8876392
8 changed files with 47 additions and 41 deletions
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2
TODO
View File

@ -20,6 +20,8 @@ F15 External:
Features:
* fix CUPS .path unit for globbing
* move PAM code into its own binary
* logind: ensure ACLs are updated on login and logout

6
src/execute.c
View File

@ -551,7 +551,7 @@ static int restore_confirm_stdio(const ExecContext *context,
static int get_group_creds(const char *groupname, gid_t *gid) {
struct group *g;
unsigned long lu;
gid_t id;
assert(groupname);
assert(gid);
@ -564,9 +564,9 @@ static int get_group_creds(const char *groupname, gid_t *gid) {
return 0;
}
if (safe_atolu(groupname, &lu) >= 0) {
if (parse_gid(groupname, &id) >= 0) {
errno = 0;
g = getgrgid((gid_t) lu);
g = getgrgid(id);
} else {
errno = 0;
g = getgrnam(groupname);

28
src/loginctl.c
View File

@ -1058,9 +1058,10 @@ static int show(DBusConnection *bus, char **args, unsigned n) {
}
} else if (strstr(args[0], "user")) {
uint32_t uid;
uid_t uid;
uint32_t u;
if (safe_atou(args[i], &uid) < 0) {
if (parse_uid(args[i], &uid) < 0) {
struct passwd *pw;
pw = getpwnam(args[i]);
@ -1084,8 +1085,9 @@ static int show(DBusConnection *bus, char **args, unsigned n) {
goto finish;
}
u = (uint32_t) uid;
if (!dbus_message_append_args(m,
DBUS_TYPE_UINT32, &uid,
DBUS_TYPE_UINT32, &u,
DBUS_TYPE_INVALID)) {
log_error("Could not append arguments to message.");
ret = -ENOMEM;
@ -1282,7 +1284,8 @@ static int enable_linger(DBusConnection *bus, char **args, unsigned n) {
b = streq(args[0], "enable-linger");
for (i = 1; i < n; i++) {
uint32_t uid;
uint32_t u;
uid_t uid;
m = dbus_message_new_method_call(
"org.freedesktop.login1",
@ -1295,7 +1298,7 @@ static int enable_linger(DBusConnection *bus, char **args, unsigned n) {
goto finish;
}
if (safe_atou32(args[i], &uid) < 0) {
if (parse_uid(args[i], &uid) < 0) {
struct passwd *pw;
errno = 0;
@ -1309,8 +1312,9 @@ static int enable_linger(DBusConnection *bus, char **args, unsigned n) {
uid = pw->pw_uid;
}
u = (uint32_t) uid;
if (!dbus_message_append_args(m,
DBUS_TYPE_UINT32, &uid,
DBUS_TYPE_UINT32, &u,
DBUS_TYPE_BOOLEAN, &b,
DBUS_TYPE_BOOLEAN, &interactive,
DBUS_TYPE_INVALID)) {
@ -1356,6 +1360,7 @@ static int terminate_user(DBusConnection *bus, char **args, unsigned n) {
for (i = 1; i < n; i++) {
uint32_t u;
uid_t uid;
m = dbus_message_new_method_call(
"org.freedesktop.login1",
@ -1368,7 +1373,7 @@ static int terminate_user(DBusConnection *bus, char **args, unsigned n) {
goto finish;
}
if (safe_atou32(args[i], &u) < 0) {
if (parse_uid(args[i], &uid) < 0) {
struct passwd *pw;
errno = 0;
@ -1379,9 +1384,10 @@ static int terminate_user(DBusConnection *bus, char **args, unsigned n) {
goto finish;
}
u = pw->pw_uid;
uid = pw->pw_uid;
}
u = (uint32_t) uid;
if (!dbus_message_append_args(m,
DBUS_TYPE_UINT32, &u,
DBUS_TYPE_INVALID)) {
@ -1429,6 +1435,7 @@ static int kill_user(DBusConnection *bus, char **args, unsigned n) {
arg_kill_who = "all";
for (i = 1; i < n; i++) {
uid_t uid;
uint32_t u;
m = dbus_message_new_method_call(
@ -1442,7 +1449,7 @@ static int kill_user(DBusConnection *bus, char **args, unsigned n) {
goto finish;
}
if (safe_atou32(args[i], &u) < 0) {
if (parse_uid(args[i], &uid) < 0) {
struct passwd *pw;
errno = 0;
@ -1453,9 +1460,10 @@ static int kill_user(DBusConnection *bus, char **args, unsigned n) {
goto finish;
}
u = pw->pw_uid;
uid = pw->pw_uid;
}
u = (uint32_t) uid;
if (!dbus_message_append_args(m,
DBUS_TYPE_UINT32, &u,
DBUS_TYPE_INT32, arg_signal,

6
src/logind.c
View File

@ -509,19 +509,19 @@ int manager_enumerate_users(Manager *m) {
}
while ((de = readdir(d))) {
unsigned long ul;
uid_t uid;
User *u;
if (!dirent_is_file(de))
continue;
k = safe_atolu(de->d_name, &ul);
k = parse_uid(de->d_name, &uid);
if (k < 0) {
log_error("Failed to parse file name %s: %s", de->d_name, strerror(-k));
continue;
}
u = hashmap_get(m->users, ULONG_TO_PTR(ul));
u = hashmap_get(m->users, ULONG_TO_PTR(uid));
if (!u) {
unlinkat(dirfd(d), de->d_name, 0);
continue;

20
src/pam-module.c
View File

@ -180,14 +180,14 @@ static int get_user_data(
* it probably contains a uid of the host system. */
if (read_one_line_file("/proc/self/loginuid", &s) >= 0) {
uint32_t u;
uid_t uid;
r = safe_atou32(s, &u);
r = parse_uid(s, &uid);
free(s);
if (r >= 0 && u != (uint32_t) -1 && u > 0) {
if (r >= 0 && uid != (uint32_t) -1) {
have_loginuid = true;
pw = pam_modutil_getpwuid(handle, u);
pw = pam_modutil_getpwuid(handle, uid);
}
}
}
@ -239,10 +239,10 @@ static bool check_user_lists(
}
STRV_FOREACH(l, kill_exclude_users) {
uint32_t id;
uid_t u;
if (safe_atou32(*l, &id) >= 0)
if ((uid_t) id == uid)
if (parse_uid(*l, &u) >= 0)
if (u == uid)
return false;
if (name && streq(name, *l))
@ -253,10 +253,10 @@ static bool check_user_lists(
return true;
STRV_FOREACH(l, kill_only_users) {
uint32_t id;
uid_t u;
if (safe_atou32(*l, &id) >= 0)
if ((uid_t) id == uid)
if (parse_uid(*l, &u) >= 0)
if (u == uid)
return true;
if (name && streq(name, *l))

6
src/sd-login.c
View File

@ -349,14 +349,10 @@ _public_ int sd_session_get_uid(const char *session, uid_t *uid) {
if (!s)
return -EIO;
r = safe_atolu(s, &ul);
r = parse_uid(s, uid);
free(s);
if (r < 0)
return r;
*uid = (uid_t) ul;
return 0;
}
_public_ int sd_session_get_seat(const char *session, char **seat) {

12
src/tmpfiles.c
View File

@ -757,13 +757,13 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
}
if (user && !streq(user, "-")) {
unsigned long lu;
uid_t uid;
struct passwd *p;
if (streq(user, "root") || streq(user, "0"))
i->uid = 0;
else if (safe_atolu(user, &lu) >= 0)
i->uid = (uid_t) lu;
else if (parse_uid(user, &uid) >= 0)
i->uid = uid;
else if ((p = getpwnam(user)))
i->uid = p->pw_uid;
else {
@ -776,13 +776,13 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
}
if (group && !streq(group, "-")) {
unsigned long lu;
gid_t gid;
struct group *g;
if (streq(group, "root") || streq(group, "0"))
i->gid = 0;
else if (safe_atolu(group, &lu) >= 0)
i->gid = (gid_t) lu;
else if (parse_gid(group, &gid) >= 0)
i->gid = gid;
else if ((g = getgrnam(group)))
i->gid = g->gr_gid;
else {

6
src/util.c
View File

@ -5262,7 +5262,7 @@ int socket_from_display(const char *display, char **path) {
int get_user_creds(const char **username, uid_t *uid, gid_t *gid, const char **home) {
struct passwd *p;
unsigned long lu;
uid_t u;
assert(username);
assert(*username);
@ -5281,9 +5281,9 @@ int get_user_creds(const char **username, uid_t *uid, gid_t *gid, const char **h
return 0;
}
if (safe_atolu(*username, &lu) >= 0) {
if (parse_uid(*username, &u) >= 0) {
errno = 0;
p = getpwuid((uid_t) lu);
p = getpwuid(u);
/* If there are multiple users with the same id, make
* sure to leave $USER to the configured value instead