URL:
<http://savannah.gnu.org/bugs/?49189>
Summary: segfault in src/authentication.c fix
Project: GNU Screen
Submitted by: catterer
Submitted on: Mon 26 Sep 2016 11:41:45 AM GMT
Category: Crash/Freeze/Infloop
Severity: 3 - Normal
Priority: 5 - Normal
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Release: Cur Dev Sources
Fixed Release: None
Planned Release: None
Work Required: None
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Details:
$ git diff
diff --git a/src/authentication.c b/src/authentication.c
index 4c02eb6..27f109e 100644
--- a/src/authentication.c
+++ b/src/authentication.c
@@ -124,8 +124,10 @@ static bool CheckPassword() {
p = getspnam(ppp->pw_name);
seteuid(uid);
setegid(gid);
- if (p == NULL)
+ if (p == NULL) {
fprintf(stderr, "can't open passwd file\n");
+ return false;
+ }
printf("\ascreen used by %s%s<%s> on %s.\n",
ppp->pw_gecos, ppp->pw_gecos[0] ? " " : "", ppp->pw_name,
HostName);
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