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Catch malloc return failures. This should help avoid dereferencing NULL on
low-memory situations. Submitted by: kris git-svn-id: http://svn0.us-east.freebsd.org/base/head/contrib/telnet@76689 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
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@ -93,6 +93,11 @@ int server;
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xuser = (char *)malloc(512);
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xuser = (char *)malloc(512);
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pass = (char *)malloc(256);
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pass = (char *)malloc(256);
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xpass = (char *)malloc(512);
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xpass = (char *)malloc(512);
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if (user == NULL || xuser == NULL || pass == NULL || xpass ==
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NULL)
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return 0; /* malloc failed */
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passwd_sent = 0;
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passwd_sent = 0;
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genkeys(pka,ska);
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genkeys(pka,ska);
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@ -534,6 +539,9 @@ auth_conv(int num_msg, const struct pam_message **msg,
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struct pam_response *reply =
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struct pam_response *reply =
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malloc(sizeof(struct pam_response) * num_msg);
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malloc(sizeof(struct pam_response) * num_msg);
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if (reply == NULL)
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return PAM_BUF_ERR;
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for (i = 0; i < num_msg; i++) {
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for (i = 0; i < num_msg; i++) {
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switch (msg[i]->msg_style) {
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switch (msg[i]->msg_style) {
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case PAM_PROMPT_ECHO_ON: /* assume want user name */
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case PAM_PROMPT_ECHO_ON: /* assume want user name */
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