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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@6214 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1999-05-12 17:41:28 +00:00
parent d3dd1a7f1b
commit 9ed385bdd3
1 changed files with 42 additions and 1 deletions
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43
appl/kx/krb4.c
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@@ -50,6 +50,10 @@ struct krb4_kx_context {
typedef struct krb4_kx_context krb4_kx_context; typedef struct krb4_kx_context krb4_kx_context;
/*
* Destroy the krb4 context in `c'.
*/
static void static void
krb4_destroy (kx_context *c) krb4_destroy (kx_context *c)
{ {
@@ -57,6 +61,11 @@ krb4_destroy (kx_context *c)
free (c->data); free (c->data);
} }
/*
* Read the authentication information from `s' and return 0 if
* succesful, else -1.
*/
static int static int
krb4_authenticate (kx_context *kc, int s) krb4_authenticate (kx_context *kc, int s)
{ {
@@ -79,6 +88,11 @@ krb4_authenticate (kx_context *kc, int s)
return 0; return 0;
} }
/*
* Read a krb4 priv packet from `fd' into `buf' (of size `len').
* Return the number of bytes read or 0 on EOF or -1 on error.
*/
static ssize_t static ssize_t
krb4_read (kx_context *kc, krb4_read (kx_context *kc,
int fd, void *buf, size_t len) int fd, void *buf, size_t len)
@@ -110,6 +124,11 @@ krb4_read (kx_context *kc,
return msg.app_length; return msg.app_length;
} }
/*
* Write a krb4 priv packet on `fd' with the data in `buf, len'.
* Return len or -1 on error
*/
static ssize_t static ssize_t
krb4_write(kx_context *kc, krb4_write(kx_context *kc,
int fd, const void *buf, size_t len) int fd, const void *buf, size_t len)
@@ -174,6 +193,11 @@ do_enccopy (int fd1, int fd2, int mode, des_cblock *iv,
return 1; return 1;
} }
/*
* Copy data between fd1 and fd2, encrypting one way and decrypting
* the other.
*/
static int static int
krb4_copy_encrypted (kx_context *kc, krb4_copy_encrypted (kx_context *kc,
int fd1, int fd2) int fd1, int fd2)
@@ -210,6 +234,11 @@ krb4_copy_encrypted (kx_context *kc,
} }
} }
/*
* Return 0 if the user authenticated on `kc' is allowed to login as
* `user'.
*/
static int static int
krb4_userok (kx_context *kc, char *user) krb4_userok (kx_context *kc, char *user)
{ {
@@ -227,6 +256,10 @@ krb4_userok (kx_context *kc, char *user)
return kuserok (&c->auth, user); return kuserok (&c->auth, user);
} }
/*
* Create an instance of an krb4 context.
*/
void void
krb4_make_context (kx_context *kc) krb4_make_context (kx_context *kc)
{ {
@@ -243,6 +276,11 @@ krb4_make_context (kx_context *kc)
err (1, "malloc"); err (1, "malloc");
} }
/*
* Receive authentication information on `sock' (first four bytes
* in `buf').
*/
int int
recv_v4_auth (kx_context *kc, int sock, u_char *buf) recv_v4_auth (kx_context *kc, int sock, u_char *buf)
{ {
@@ -292,8 +330,11 @@ recv_v4_auth (kx_context *kc, int sock, u_char *buf)
krb_net_read (sock, user, sizeof(user)); krb_net_read (sock, user, sizeof(user));
krb_net_write (sock, old_errmsg, strlen(old_errmsg) + 1); krb_net_write (sock, old_errmsg, strlen(old_errmsg) + 1);
} else exit (1);
} else {
syslog (LOG_ERR, "bad version: %s", version); syslog (LOG_ERR, "bad version: %s", version);
exit (1);
}
} }
krb4_make_context (kc); krb4_make_context (kc);