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fix a buffer overflow 

git-svn-id: svn://katsu.triplehelix.org/dgamelaunch/trunk@112 db0b04b0-f4d1-0310-9a6d-de3e77497b0e
This commit is contained in:
Joshua Kwan 2004-01-06 19:04:07 +00:00
parent 64467ae41d
commit 20a824b932
1 changed files with 4 additions and 3 deletions
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7
nh343-simple_mail.diff
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@ -77,7 +77,7 @@ diff -urN orig/nethack-3.4.3/src/mail.c nethack-3.4.3/src/mail.c
return;
laststattime = moves;
@@ -501,9 +509,67 @@
@@ -501,9 +509,68 @@
readmail(otmp)
struct obj *otmp;
{
@ -89,7 +89,7 @@ diff -urN orig/nethack-3.4.3/src/mail.c nethack-3.4.3/src/mail.c
+ if (iflags.simplemail)
+ {
+ FILE* mb = fopen(mailbox, "r");
+ char curline[80], *msg;
+ char curline[102], *msg;
+ boolean seen_one_already = FALSE;
+ struct flock fl = { 0 };
+
@ -107,7 +107,7 @@ diff -urN orig/nethack-3.4.3/src/mail.c nethack-3.4.3/src/mail.c
+
+ errno = 0;
+
+ while (fgets(curline, 80, mb) != NULL)
+ while (fgets(curline, 102, mb) != NULL)
+ {
+ fl.l_type = F_UNLCK;
+ fcntl (fileno(mb), F_UNLCK, &fl);
@ -139,6 +139,7 @@ diff -urN orig/nethack-3.4.3/src/mail.c nethack-3.4.3/src/mail.c
+ fcntl(fileno(mb), F_UNLCK, &fl);
+
+ fclose(mb);
+ unlink(mailbox);
+ return;
+ }
+# endif /* SIMPLE_MAIL */