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(kadmind_loop): break-up and restructure

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@6115 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1999-05-04 03:37:44 +00:00
parent ecd0705b49
commit 80a2ede57f
1 changed files with 89 additions and 72 deletions
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161
kadmin/server.c
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@@ -329,90 +329,37 @@ fail:
return 0;
}
krb5_error_code
kadmind_loop (krb5_context, krb5_auth_context, krb5_keytab, int);
void
handle_v4(krb5_context context,
int len,
int fd);
krb5_error_code
kadmind_loop(krb5_context context,
krb5_auth_context ac,
krb5_keytab keytab,
int fd)
static void
v5_loop (krb5_context context,
krb5_auth_context ac,
void *kadm_handle,
int fd)
{
char *client;
krb5_error_code ret;
void *kadm_handle;
ssize_t n;
unsigned long len;
u_char tmp[4];
struct iovec iov[2];
krb5_data in, out, msg, reply;
while(1){
krb5_data in, out, msg, reply;
unsigned char tmp[4];
unsigned long len;
ssize_t n;
struct iovec iov[2];
krb5_boolean krb4_packet = 0;
n = krb5_net_read(context, &fd, tmp, 4);
if(n == 0)
exit(0);
if(n < 0)
krb5_errx(context, 1, "read error: %d", errno);
if(n < 4)
krb5_errx(context, 1, "short read (%ld)", (long int)n);
_krb5_get_int(tmp, &len, 4);
if(len > 0xffff && (len & 0xffff) == ('K' << 8) + 'A') {
len >>= 16;
krb4_packet = 1;
#ifdef KRB4
handle_v4(context, len, fd);
#else
krb5_errx(context, 1, "packet appears to be version 4");
#endif
}
krb5_net_read(context, &fd, tmp, sizeof(tmp));
if(len != sizeof(KRB5_SENDAUTH_VERSION) ||
memcmp(tmp, KRB5_SENDAUTH_VERSION, sizeof(tmp)) != 0)
krb5_errx(context, 1, "bad sendauth version %.8s", tmp);
{
krb5_ticket *ticket;
krb5_principal server;
krb5_parse_name(context, KADM5_ADMIN_SERVICE, &server);
ret = krb5_recvauth(context, &ac, &fd, KADMIN_APPL_VERSION,
server, KRB5_RECVAUTH_IGNORE_VERSION,
keytab, &ticket);
krb5_free_principal(context, server);
if(ret)
krb5_err(context, 1, ret, "krb5_recvauth");
krb5_unparse_name(context, ticket->client, &client);
ret = kadm5_init_with_password_ctx(context,
client,
NULL,
KADM5_ADMIN_SERVICE,
NULL, 0, 0,
&kadm_handle);
if(ret)
krb5_abort(context, ret, "kadm5_init_with_password_ctx");
}
for (;;) {
krb5_net_read(context, &fd, tmp, 4);
_krb5_get_int (tmp, &len, 4);
in.length = len;
in.data = malloc(in.length);
n = krb5_net_read(context, &fd, in.data, in.length);
if (n == 0)
exit (0);
if(n < 0)
krb5_errx(context, 1, "read error: %d", errno);
if(n < in.length)
krb5_errx(context, 1, "short read (%ld)", (long int)n);
if(!krb4_packet) {
ret = krb5_rd_priv(context, ac, &in, &out, NULL);
krb5_data_free(&in);
kadmind_dispatch(kadm_handle, &out, &msg);
krb5_data_free(&out);
}
ret = krb5_rd_priv(context, ac, &in, &out, NULL);
krb5_data_free(&in);
kadmind_dispatch(kadm_handle, &out, &msg);
krb5_data_free(&out);
ret = krb5_mk_priv(context, ac, &msg, &reply, NULL);
krb5_data_free(&msg);
if(ret)
@@ -432,3 +379,73 @@ kadmind_loop(krb5_context context,
krb5_errx(context, 1, "short write");
}
}
static void
handle_v5(krb5_context context,
krb5_auth_context ac,
krb5_keytab keytab,
int len,
int fd)
{
krb5_error_code ret;
u_char tmp[4];
krb5_ticket *ticket;
krb5_principal server;
char *client;
void *kadm_handle;
krb5_net_read(context, &fd, tmp, len);
if(len != sizeof(KRB5_SENDAUTH_VERSION) ||
memcmp(tmp, KRB5_SENDAUTH_VERSION, len) != 0)
krb5_errx(context, 1, "bad sendauth version %.8s", tmp);
krb5_parse_name(context, KADM5_ADMIN_SERVICE, &server);
ret = krb5_recvauth(context, &ac, &fd, KADMIN_APPL_VERSION,
server, KRB5_RECVAUTH_IGNORE_VERSION,
keytab, &ticket);
krb5_free_principal(context, server);
if(ret)
krb5_err(context, 1, ret, "krb5_recvauth");
krb5_unparse_name(context, ticket->client, &client);
ret = kadm5_init_with_password_ctx(context,
client,
NULL,
KADM5_ADMIN_SERVICE,
NULL, 0, 0,
&kadm_handle);
if(ret)
krb5_err (context, 1, ret, "kadm5_init_with_password_ctx");
v5_loop (context, ac, kadm_handle, fd);
}
krb5_error_code
kadmind_loop(krb5_context context,
krb5_auth_context ac,
krb5_keytab keytab,
int fd)
{
unsigned char tmp[4];
ssize_t n;
unsigned long len;
n = krb5_net_read(context, &fd, tmp, 4);
if(n == 0)
exit(0);
if(n < 0)
krb5_errx(context, 1, "read error: %d", errno);
if(n < 4)
krb5_errx(context, 1, "short read (%ld)", (long int)n);
_krb5_get_int(tmp, &len, 4);
if(len > 0xffff && (len & 0xffff) == ('K' << 8) + 'A') {
len >>= 16;
#ifdef KRB4
handle_v4(context, len, fd);
#else
krb5_errx(context, 1, "packet appears to be version 4");
#endif
} else {
handle_v5(context, ac, keytab, len, fd);
}
return 0;
}