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Fix segfault when client/host can't agree on hostkey/crypt/mac/comp

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This commit is contained in:
Sara Golemon
2005-05-16 17:16:25 +00:00
parent e9b0710b4b
commit 8d90bbfc28
2 changed files with 6 additions and 4 deletions
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8
src/kex.c
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@@ -928,7 +928,7 @@ static int libssh2_kex_agree_hostkey(LIBSSH2_SESSION *session, unsigned long kex
return -1;
}
while ((*hostkeyp)->name) {
while (hostkeyp && (*hostkeyp)->name) {
s = libssh2_kex_agree_instr(hostkey, hostkey_len, (*hostkeyp)->name, strlen((*hostkeyp)->name));
if (s) {
/* So far so good, but does it suit our purposes? (Encrypting vs Signing) */
@@ -1036,7 +1036,7 @@ static int libssh2_kex_agree_crypt(LIBSSH2_SESSION *session, libssh2_endpoint_da
return -1;
}
while ((*cryptp)->name) {
while (*cryptp && (*cryptp)->name) {
s = libssh2_kex_agree_instr(crypt, crypt_len, (*cryptp)->name, strlen((*cryptp)->name));
if (s) {
endpoint->crypt = *cryptp;
@@ -1081,7 +1081,7 @@ static int libssh2_kex_agree_mac(LIBSSH2_SESSION *session, libssh2_endpoint_data
return -1;
}
while ((*macp)->name) {
while (*macp && (*macp)->name) {
s = libssh2_kex_agree_instr(mac, mac_len, (*macp)->name, strlen((*macp)->name));
if (s) {
endpoint->mac = *macp;
@@ -1126,7 +1126,7 @@ static int libssh2_kex_agree_comp(LIBSSH2_SESSION *session, libssh2_endpoint_dat
return -1;
}
while ((*compp)->name) {
while (*compp && (*compp)->name) {
s = libssh2_kex_agree_instr(comp, comp_len, (*compp)->name, strlen((*compp)->name));
if (s) {
endpoint->comp = *compp;