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Do not fail on missing files in /etc/, create them instead.

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passwd, shadow, group, gshadow etc. can be managed via nss -
e.g. system default accounts can be specified using nss_altfiles,
rather than in /etc/. Thus despite having default accounts, these
files can be missing on disk and thus should be opened with O_CREATE
whenever they are attempted to be opened in O_RDWR modes.
This commit is contained in:
Dimitri John Ledkov
2015-02-27 13:17:25 +00:00
parent 71c6165dcd
commit ee43f47f45
21 changed files with 54 additions and 54 deletions
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12
src/usermod.c
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@ -1532,7 +1532,7 @@ static void open_files (void)
fail_exit (E_PW_UPDATE);
}
pw_locked = true;
if (pw_open (O_RDWR) == 0) {
if (pw_open (O_CREAT | O_RDWR) == 0) {
fprintf (stderr,
_("%s: cannot open %s\n"),
Prog, pw_dbname ());
@ -1545,7 +1545,7 @@ static void open_files (void)
fail_exit (E_PW_UPDATE);
}
spw_locked = true;
if (is_shadow_pwd && (spw_open (O_RDWR) == 0)) {
if (is_shadow_pwd && (spw_open (O_CREAT | O_RDWR) == 0)) {
fprintf (stderr,
_("%s: cannot open %s\n"),
Prog, spw_dbname ());
@ -1564,7 +1564,7 @@ static void open_files (void)
fail_exit (E_GRP_UPDATE);
}
gr_locked = true;
if (gr_open (O_RDWR) == 0) {
if (gr_open (O_CREAT | O_RDWR) == 0) {
fprintf (stderr,
_("%s: cannot open %s\n"),
Prog, gr_dbname ());
@ -1578,7 +1578,7 @@ static void open_files (void)
fail_exit (E_GRP_UPDATE);
}
sgr_locked = true;
if (is_shadow_grp && (sgr_open (O_RDWR) == 0)) {
if (is_shadow_grp && (sgr_open (O_CREAT | O_RDWR) == 0)) {
fprintf (stderr,
_("%s: cannot open %s\n"),
Prog, sgr_dbname ());
@ -1595,7 +1595,7 @@ static void open_files (void)
fail_exit (E_SUB_UID_UPDATE);
}
sub_uid_locked = true;
if (sub_uid_open (O_RDWR) == 0) {
if (sub_uid_open (O_CREAT | O_RDWR) == 0) {
fprintf (stderr,
_("%s: cannot open %s\n"),
Prog, sub_uid_dbname ());
@ -1610,7 +1610,7 @@ static void open_files (void)
fail_exit (E_SUB_GID_UPDATE);
}
sub_gid_locked = true;
if (sub_gid_open (O_RDWR) == 0) {
if (sub_gid_open (O_CREAT | O_RDWR) == 0) {
fprintf (stderr,
_("%s: cannot open %s\n"),
Prog, sub_gid_dbname ());