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Code Issues Releases Wiki Activity

display_lecture: just return if callback is NULL

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This commit is contained in:
Todd C. Miller
2022-02-23 21:09:33 -07:00
parent 330b4e821b
commit b1fd1ec0fc
1 changed files with 4 additions and 1 deletions
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5
plugins/sudoers/check.c
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@@ -232,7 +232,7 @@ done:
void void
display_lecture(struct sudo_conv_callback *callback) display_lecture(struct sudo_conv_callback *callback)
{ {
struct getpass_closure *closure = callback->closure; struct getpass_closure *closure;
struct sudo_conv_message msg; struct sudo_conv_message msg;
struct sudo_conv_reply repl; struct sudo_conv_reply repl;
char buf[BUFSIZ]; char buf[BUFSIZ];
@@ -241,6 +241,9 @@ display_lecture(struct sudo_conv_callback *callback)
int fd; int fd;
debug_decl(lecture, SUDOERS_DEBUG_AUTH); debug_decl(lecture, SUDOERS_DEBUG_AUTH);
if (callback == NULL || (closure = callback->closure) == NULL)
debug_return;
if (closure->lectured) if (closure->lectured)
debug_return; debug_return;