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Merge pull request #307 from glysbaysb/usermod-shell-path

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usermod: check if shell is know
This commit is contained in:
Serge Hallyn 2021-02-08 10:03:11 -06:00 committed by GitHub
commit f28660f5dd
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3 changed files with 19 additions and 6 deletions
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4
man/po/de.po
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@ -1005,10 +1005,10 @@ msgstr ""
#: usermod.8.xml:327(para) chsh.1.xml:123(para)
msgid ""
"The name of the user's new login shell. Setting this field to blank causes "
"The path of the user's new login shell. Setting this field to blank causes "
"the system to select the default login shell."
msgstr ""
"Der Name der neuen Anmelde-Shell des Benutzers. Falls dieses Feld leer "
"Der Pfad der neuen Anmelde-Shell des Benutzers. Falls dieses Feld leer "
"gelassen wird, verwendet das System die Standard-Anmelde-Shell."
#: usermod.8.xml:334(term) useradd.8.xml:471(term)

2
man/usermod.8.xml
View File

@ -353,7 +353,7 @@
</term>
<listitem>
<para>
The name of the user's new login shell. Setting this field to
The path of the user's new login shell. Setting this field to
blank causes the system to select the default login shell.
</para>
</listitem>

19
src/usermod.c
View File

@ -1032,7 +1032,7 @@ static void grp_update (void)
static void process_flags (int argc, char **argv)
{
const struct group *grp;
struct stat st;
bool anyflag = false;
{
@ -1180,12 +1180,25 @@ static void process_flags (int argc, char **argv)
case 'P': /* no-op, handled in process_prefix_flag () */
break;
case 's':
if (!VALID (optarg)) {
if ( ( !VALID (optarg) )
|| ( ('\0' != optarg[0])
&& ('/' != optarg[0])
&& ('*' != optarg[0]) )) {
fprintf (stderr,
_("%s: invalid field '%s'\n"),
_("%s: invalid shell '%s'\n"),
Prog, optarg);
exit (E_BAD_ARG);
}
if ( '\0' != optarg[0]
&& '*' != optarg[0]
&& strcmp(optarg, "/sbin/nologin") != 0
&& ( stat(optarg, &st) != 0
|| S_ISDIR(st.st_mode)
|| access(optarg, X_OK) != 0)) {
fprintf (stderr,
_("%s: Warning: missing or non-executable shell '%s'\n"),
Prog, optarg);
}
user_newshell = optarg;
sflg = true;
break;