diff options
author | Damien Miller <djm@mindrot.org> | 2006-03-26 14:19:21 +1100 |
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committer | Damien Miller <djm@mindrot.org> | 2006-03-26 14:19:21 +1100 |
commit | 07d86bec5eeaf19fe33dca99c8ebcbe9a77c3938 (patch) | |
tree | 098295eee2d7ec7b116b0db3ac4b580713dd5ab0 /key.c | |
parent | 7cd4579eb3c5afd22ae24436fd2611cd3aa0150a (diff) | |
download | openssh-git-07d86bec5eeaf19fe33dca99c8ebcbe9a77c3938.tar.gz |
- djm@cvs.openbsd.org 2006/03/25 00:05:41
[auth-bsdauth.c auth-skey.c auth.c auth2-chall.c channels.c]
[clientloop.c deattack.c gss-genr.c kex.c key.c misc.c moduli.c]
[monitor.c monitor_wrap.c packet.c scard.c sftp-server.c ssh-agent.c]
[ssh-keyscan.c ssh.c sshconnect.c sshconnect2.c sshd.c uuencode.c]
[xmalloc.c xmalloc.h]
introduce xcalloc() and xasprintf() failure-checked allocations
functions and use them throughout openssh
xcalloc is particularly important because malloc(nmemb * size) is a
dangerous idiom (subject to integer overflow) and it is time for it
to die
feedback and ok deraadt@
Diffstat (limited to 'key.c')
-rw-r--r-- | key.c | 10 |
1 files changed, 4 insertions, 6 deletions
@@ -49,9 +49,8 @@ key_new(int type) Key *k; RSA *rsa; DSA *dsa; - k = xmalloc(sizeof(*k)); + k = xcalloc(1, sizeof(*k)); k->type = type; - k->flags = 0; k->dsa = NULL; k->rsa = NULL; switch (k->type) { @@ -231,8 +230,7 @@ key_fingerprint_hex(u_char *dgst_raw, u_int dgst_raw_len) char *retval; u_int i; - retval = xmalloc(dgst_raw_len * 3 + 1); - retval[0] = '\0'; + retval = xcalloc(1, dgst_raw_len * 3 + 1); for (i = 0; i < dgst_raw_len; i++) { char hex[4]; snprintf(hex, sizeof(hex), "%02x:", dgst_raw[i]); @@ -254,7 +252,7 @@ key_fingerprint_bubblebabble(u_char *dgst_raw, u_int dgst_raw_len) char *retval; rounds = (dgst_raw_len / 2) + 1; - retval = xmalloc(sizeof(char) * (rounds*6)); + retval = xcalloc((rounds * 6), sizeof(char)); retval[j++] = 'x'; for (i = 0; i < rounds; i++) { u_int idx0, idx1, idx2, idx3, idx4; @@ -824,7 +822,7 @@ key_demote(const Key *k) { Key *pk; - pk = xmalloc(sizeof(*pk)); + pk = xcalloc(1, sizeof(*pk)); pk->type = k->type; pk->flags = k->flags; pk->dsa = NULL; |