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Merge pull request #187 from jubalh/useradd-s

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useradd: check for valid shell argument
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Serge Hallyn 2019-11-11 18:10:56 -06:00 committed by GitHub
commit e97df9b1ec
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1 changed files with 5 additions and 1 deletions
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6
src/useradd.c
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@ -1101,6 +1101,7 @@ static void process_flags (int argc, char **argv)
const struct group *grp; const struct group *grp;
bool anyflag = false; bool anyflag = false;
char *cp; char *cp;
struct stat st;
{ {
/* /*
@ -1327,7 +1328,10 @@ static void process_flags (int argc, char **argv)
if ( ( !VALID (optarg) ) if ( ( !VALID (optarg) )
|| ( ('\0' != optarg[0]) || ( ('\0' != optarg[0])
&& ('/' != optarg[0]) && ('/' != optarg[0])
&& ('*' != optarg[0]) )) { && ('*' != optarg[0]) )
|| (stat(optarg, &st) != 0)
|| (S_ISDIR(st.st_mode))
|| (access(optarg, X_OK != 0))) {
fprintf (stderr, fprintf (stderr,
_("%s: invalid shell '%s'\n"), _("%s: invalid shell '%s'\n"),
Prog, optarg); Prog, optarg);