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-rw-r--r--usr.bin/newgrp/newgrp.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/usr.bin/newgrp/newgrp.c b/usr.bin/newgrp/newgrp.c
index 751e8be..b3f6103 100644
--- a/usr.bin/newgrp/newgrp.c
+++ b/usr.bin/newgrp/newgrp.c
@@ -151,7 +151,7 @@ addgroup(const char *grpname)
int dbmember, i, ngrps;
gid_t egid;
struct group *grp;
- char *ep, *pass;
+ char *ep, *pass, *cryptpw;
char **p;
egid = getegid();
@@ -178,8 +178,10 @@ addgroup(const char *grpname)
}
if (!dbmember && *grp->gr_passwd != '\0' && getuid() != 0) {
pass = getpass("Password:");
- if (pass == NULL ||
- strcmp(grp->gr_passwd, crypt(pass, grp->gr_passwd)) != 0) {
+ if (pass == NULL)
+ return;
+ cryptpw = crypt(pass, grp->gr_passwd);
+ if (cryptpw == NULL || strcmp(grp->gr_passwd, cryptpw) != 0) {
fprintf(stderr, "Sorry\n");
return;
}
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