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authorLennart Poettering <lennart@poettering.net>2014-11-11 18:12:40 +0100
committerLennart Poettering <lennart@poettering.net>2014-11-11 18:12:40 +0100
commitfff19499605924251d037073f47665419b669400 (patch)
tree8ad8fefd9dfd5243fd228f59c957addf64c68a1f /src/sysusers
parented6d629a3487105e31415db9e175dd698ac20125 (diff)
downloadsystemd-fff19499605924251d037073f47665419b669400.tar.gz
sysuser: simplify access mode syncing by introducing helper function for it
Diffstat (limited to 'src/sysusers')
-rw-r--r--src/sysusers/sysusers.c44
1 files changed, 23 insertions, 21 deletions
diff --git a/src/sysusers/sysusers.c b/src/sysusers/sysusers.c
index 5f5b49dc77..04e973ac17 100644
--- a/src/sysusers/sysusers.c
+++ b/src/sysusers/sysusers.c
@@ -354,12 +354,26 @@ static int putsgent_with_members(const struct sgrp *sg, FILE *gshadow) {
return 0;
}
+static int sync_rights(FILE *from, FILE *to) {
+ struct stat st;
+
+ if (fstat(fileno(from), &st) < 0)
+ return -errno;
+
+ if (fchmod(fileno(to), st.st_mode & 07777) < 0)
+ return -errno;
+
+ if (fchown(fileno(to), st.st_uid, st.st_gid) < 0)
+ return -errno;
+
+ return 0;
+}
+
static int write_files(void) {
_cleanup_fclose_ FILE *passwd = NULL, *group = NULL, *shadow = NULL, *gshadow = NULL;
_cleanup_free_ char *passwd_tmp = NULL, *group_tmp = NULL, *shadow_tmp = NULL, *gshadow_tmp = NULL;
const char *passwd_path = NULL, *group_path = NULL, *shadow_path = NULL, *gshadow_path = NULL;
- struct stat st;
bool group_changed = false;
Iterator iterator;
Item *i;
@@ -378,12 +392,9 @@ static int write_files(void) {
if (original) {
struct group *gr;
- if (fstat(fileno(original), &st) < 0 ||
- fchmod(fileno(group), st.st_mode & 07777) < 0 ||
- fchown(fileno(group), st.st_uid, st.st_gid) < 0) {
- r = -errno;
+ r = sync_rights(original, group);
+ if (r < 0)
goto finish;
- }
errno = 0;
while ((gr = fgetgrent(original))) {
@@ -460,12 +471,9 @@ static int write_files(void) {
if (original) {
struct sgrp *sg;
- if (fstat(fileno(original), &st) < 0 ||
- fchmod(fileno(gshadow), st.st_mode & 07777) < 0 ||
- fchown(fileno(gshadow), st.st_uid, st.st_gid) < 0) {
- r = -errno;
+ r = sync_rights(original, gshadow);
+ if (r < 0)
goto finish;
- }
errno = 0;
while ((sg = fgetsgent(original))) {
@@ -529,12 +537,9 @@ static int write_files(void) {
if (original) {
struct passwd *pw;
- if (fstat(fileno(original), &st) < 0 ||
- fchmod(fileno(passwd), st.st_mode & 07777) < 0 ||
- fchown(fileno(passwd), st.st_uid, st.st_gid) < 0) {
- r = -errno;
+ r = sync_rights(original, passwd);
+ if (r < 0)
goto finish;
- }
errno = 0;
while ((pw = fgetpwent(original))) {
@@ -617,12 +622,9 @@ static int write_files(void) {
if (original) {
struct spwd *sp;
- if (fstat(fileno(original), &st) < 0 ||
- fchmod(fileno(shadow), st.st_mode & 07777) < 0 ||
- fchown(fileno(shadow), st.st_uid, st.st_gid) < 0) {
- r = -errno;
+ r = sync_rights(original, shadow);
+ if (r < 0)
goto finish;
- }
errno = 0;
while ((sp = fgetspent(original))) {