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| author | nsayer <nsayer@FreeBSD.org> | 2001-05-16 18:17:55 +0000 |
|---|---|---|
| committer | nsayer <nsayer@FreeBSD.org> | 2001-05-16 18:17:55 +0000 |
| commit | ce94eedfd7bd26a15c6f1b0f9484bbade3510f74 (patch) | |
| tree | f5bc449b25f2468dfa852fa37e5746041141f5fd /crypto | |
| parent | dafd513732df8c8fa7b8c5069ae3af2203853494 (diff) | |
| download | FreeBSD-src-ce94eedfd7bd26a15c6f1b0f9484bbade3510f74.zip FreeBSD-src-ce94eedfd7bd26a15c6f1b0f9484bbade3510f74.tar.gz | |
Catch malloc return failures. This should help avoid dereferencing NULL on
low-memory situations.
Submitted by: kris
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/telnet/libtelnet/sra.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/crypto/telnet/libtelnet/sra.c b/crypto/telnet/libtelnet/sra.c index 395f217..0d49453 100644 --- a/crypto/telnet/libtelnet/sra.c +++ b/crypto/telnet/libtelnet/sra.c @@ -93,6 +93,11 @@ int server; xuser = (char *)malloc(512); pass = (char *)malloc(256); xpass = (char *)malloc(512); + + if (user == NULL || xuser == NULL || pass == NULL || xpass == + NULL) + return 0; /* malloc failed */ + passwd_sent = 0; genkeys(pka,ska); @@ -534,6 +539,9 @@ auth_conv(int num_msg, const struct pam_message **msg, struct pam_response *reply = malloc(sizeof(struct pam_response) * num_msg); + if (reply == NULL) + return PAM_BUF_ERR; + for (i = 0; i < num_msg; i++) { switch (msg[i]->msg_style) { case PAM_PROMPT_ECHO_ON: /* assume want user name */ |
