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Report to syslog strings that start with NUL; prevents negative index

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array access. Ray Lai of OpenBSD via Björn Sandell.


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@19212 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2006-12-04 23:27:08 +00:00
parent 768fb6de89
commit 63579afa99
1 changed files with 4 additions and 0 deletions
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4
appl/login/limits_conf.c
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@@ -120,6 +120,10 @@ read_limits_conf(const char *file, const struct passwd *pwd)
lineno++; lineno++;
if(buf[0] == '\0') {
syslog(LOG_ERR, "%s: line %d: NUL character", file, lineno);
continue;
}
if(buf[strlen(buf) - 1] != '\n') { if(buf[strlen(buf) - 1] != '\n') {
/* file did not end with a newline, figure out if we're at /* file did not end with a newline, figure out if we're at
the EOF, or if our buffer was too small */ the EOF, or if our buffer was too small */