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Check that the new fields set with -u, -s, -l, -g, -f, -e, -d, and -c

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differ from the old ones. If a requested new value is equal to the old
one, no changes will be performed for that field. If no fields are
changed, usermod will exist successfully with a warning. This avoids
logging changes to syslog when there are actually no changes.
This commit is contained in:
nekral-guest
2008-01-23 21:50:27 +00:00
parent 0d1be15e0f
commit 934ac07b06
3 changed files with 47 additions and 9 deletions
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42
src/usermod.c
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@@ -930,15 +930,7 @@ static void process_flags (int argc, char **argv)
Prog, optarg);
exit (E_BAD_ARG);
}
/*
* If the name does not really change, we mustn't
* set the flag as this will cause rather serious
* problems later!
*/
if (strcmp (user_name, optarg))
lflg++;
lflg++;
user_newname = optarg;
break;
case 'L':
@@ -982,6 +974,38 @@ static void process_flags (int argc, char **argv)
fprintf (stderr, _("%s: no flags given\n"), Prog);
exit (E_USAGE);
}
if (user_newid == user_id) {
uflg = 0;
}
if (user_newgid == user_gid) {
gflg = 0;
}
if (strcmp (user_newshell, user_shell) == 0) {
sflg = 0;
}
if (strcmp (user_newname, user_name) == 0) {
lflg = 0;
}
if (user_newinactive == user_inactive) {
fflg = 0;
}
if (user_newexpire == user_expire) {
eflg = 0;
}
if (strcmp (user_newhome, user_home) == 0) {
dflg = 0;
}
if (strcmp (user_newcomment, user_comment) == 0) {
cflg = 0;
}
if (Uflg + uflg + sflg + pflg + oflg + mflg + Lflg + lflg + Gflg +
gflg + fflg + eflg + dflg + cflg == 0) {
fprintf (stderr, _("%s: no changes\n"), Prog);
exit (E_SUCCESS);
}
if (!is_shadow_pwd && (eflg || fflg)) {
fprintf (stderr,
_