/*
- * "$Id: auth.c 7720 2008-07-11 22:46:21Z mike $"
+ * Authentication functions for CUPS.
*
- * Authentication functions for CUPS.
+ * Copyright 2007-2014 by Apple Inc.
+ * Copyright 1997-2007 by Easy Software Products.
*
- * Copyright 2007-2011 by Apple Inc.
- * Copyright 1997-2007 by Easy Software Products.
+ * This file contains Kerberos support code, copyright 2006 by
+ * Jelmer Vernooij.
*
- * This file contains Kerberos support code, copyright 2006 by
- * Jelmer Vernooij.
+ * These coded instructions, statements, and computer programs are the
+ * property of Apple Inc. and are protected by Federal copyright
+ * law. Distribution and use rights are outlined in the file "LICENSE.txt"
+ * which should have been included with this file. If this file is
+ * file is missing or damaged, see the license at "http://www.cups.org/".
*
- * These coded instructions, statements, and computer programs are the
- * property of Apple Inc. and are protected by Federal copyright
- * law. Distribution and use rights are outlined in the file "LICENSE.txt"
- * which should have been included with this file. If this file is
- * file is missing or damaged, see the license at "http://www.cups.org/".
- *
- * This file is subject to the Apple OS-Developed Software exception.
- *
- * Contents:
- *
- * cupsDoAuthentication() - Authenticate a request.
- * _cupsSetNegotiateAuthString() - Set the Kerberos authentication string.
- * cups_gss_acquire() - Kerberos credentials callback.
- * cups_gss_getname() - Get CUPS service credentials for
- * authentication.
- * cups_gss_printf() - Show debug error messages from GSSAPI.
- * cups_local_auth() - Get the local authorization certificate if
- * available/applicable.
+ * This file is subject to the Apple OS-Developed Software exception.
*/
/*
# ifdef HAVE_GSS_GSSAPI_SPI_H
# include <GSS/gssapi_spi.h>
# else
+# define GSS_AUTH_IDENTITY_TYPE_1 1
+# define gss_acquire_cred_ex_f __ApplePrivate_gss_acquire_cred_ex_f
typedef struct gss_auth_identity
{
uint32_t type;
/*
* 'cupsDoAuthentication()' - Authenticate a request.
*
- * This function should be called in response to a @code HTTP_UNAUTHORIZED@
+ * This function should be called in response to a @code HTTP_STATUS_UNAUTHORIZED@
* status, prior to resubmitting your request.
*
- * @since CUPS 1.1.20/Mac OS X 10.4@
+ * @since CUPS 1.1.20/macOS 10.4@
*/
int /* O - 0 on success, -1 on error */
const char *method, /* I - Request method ("GET", "POST", "PUT") */
const char *resource) /* I - Resource path */
{
- const char *password; /* Password string */
+ const char *password, /* Password string */
+ *www_auth; /* WWW-Authenticate header */
char prompt[1024], /* Prompt for user */
realm[HTTP_MAX_VALUE], /* realm="xyz" string */
nonce[HTTP_MAX_VALUE]; /* nonce="xyz" string */
_cups_globals_t *cg; /* Global data */
- DEBUG_printf(("cupsDoAuthentication(http=%p, method=\"%s\", resource=\"%s\")",
- http, method, resource));
+ DEBUG_printf(("cupsDoAuthentication(http=%p, method=\"%s\", resource=\"%s\")", (void *)http, method, resource));
if (!http)
http = _cupsConnect();
DEBUG_printf(("2cupsDoAuthentication: authstring=\"%s\"",
http->authstring));
- if (http->status == HTTP_UNAUTHORIZED)
+ if (http->status == HTTP_STATUS_UNAUTHORIZED)
http->digest_tries ++;
return (0);
}
else if (localauth == -1)
{
- http->status = HTTP_AUTHORIZATION_CANCELED;
+ http->status = HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED;
return (-1); /* Error or canceled */
}
}
* Nope, see if we should retry the current username:password...
*/
+ www_auth = http->fields[HTTP_FIELD_WWW_AUTHENTICATE];
+
if ((http->digest_tries > 1 || !http->userpass[0]) &&
- (!strncmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Basic", 5) ||
- !strncmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Digest", 6)))
+ (!_cups_strncasecmp(www_auth, "Basic", 5) ||
+ !_cups_strncasecmp(www_auth, "Digest", 6)))
{
/*
* Nope - get a new password from the user...
*/
+ char default_username[HTTP_MAX_VALUE];
+ /* Default username */
+
cg = _cupsGlobals();
if (!cg->lang_default)
cg->lang_default = cupsLangDefault();
+ if (httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "username",
+ default_username))
+ cupsSetUser(default_username);
+
snprintf(prompt, sizeof(prompt),
_cupsLangString(cg->lang_default, _("Password for %s on %s? ")),
cupsUser(),
http->hostname[0] == '/' ? "localhost" : http->hostname);
- http->digest_tries = strncasecmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE],
- "Digest", 5) != 0;
+ http->digest_tries = _cups_strncasecmp(www_auth, "Digest", 6) != 0;
http->userpass[0] = '\0';
if ((password = cupsGetPassword2(prompt, http, method, resource)) == NULL)
{
- http->status = HTTP_AUTHORIZATION_CANCELED;
+ http->status = HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED;
return (-1);
}
snprintf(http->userpass, sizeof(http->userpass), "%s:%s", cupsUser(),
password);
}
- else if (http->status == HTTP_UNAUTHORIZED)
+ else if (http->status == HTTP_STATUS_UNAUTHORIZED)
http->digest_tries ++;
- if (http->status == HTTP_UNAUTHORIZED && http->digest_tries >= 3)
+ if (http->status == HTTP_STATUS_UNAUTHORIZED && http->digest_tries >= 3)
{
DEBUG_printf(("1cupsDoAuthentication: Too many authentication tries (%d)",
http->digest_tries));
- http->status = HTTP_AUTHORIZATION_CANCELED;
+ http->status = HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED;
return (-1);
}
*/
#ifdef HAVE_GSSAPI
- if (!strncmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Negotiate", 9))
+ if (!_cups_strncasecmp(www_auth, "Negotiate", 9))
{
/*
* Kerberos authentication...
if (_cupsSetNegotiateAuthString(http, method, resource))
{
- http->status = HTTP_AUTHORIZATION_CANCELED;
+ http->status = HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED;
return (-1);
}
}
else
#endif /* HAVE_GSSAPI */
- if (!strncmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Basic", 5))
+ if (!_cups_strncasecmp(www_auth, "Basic", 5))
{
/*
* Basic authentication...
(int)strlen(http->userpass));
httpSetAuthString(http, "Basic", encode);
}
- else if (!strncmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Digest", 6))
+ else if (!_cups_strncasecmp(www_auth, "Digest", 6))
{
/*
* Digest authentication...
char encode[33], /* MD5 buffer */
digest[1024]; /* Digest auth data */
-
httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "realm", realm);
httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "nonce", nonce);
else
{
DEBUG_printf(("1cupsDoAuthentication: Unknown auth type: \"%s\"",
- http->fields[HTTP_FIELD_WWW_AUTHENTICATE]));
- http->status = HTTP_AUTHORIZATION_CANCELED;
+ www_auth));
+ http->status = HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED;
return (-1);
}
/* Output token */
+ (void)method;
+ (void)resource;
+
# ifdef __APPLE__
/*
* If the weak-linked GSSAPI/Kerberos library is not present, don't try
* to use it...
*/
- if (gss_init_sec_context == NULL)
+ if (&gss_init_sec_context == NULL)
{
DEBUG_puts("1_cupsSetNegotiateAuthString: Weak-linked GSSAPI/Kerberos "
"framework is not present");
snprintf(prompt, sizeof(prompt),
_cupsLangString(cg->lang_default, _("Password for %s on %s? ")),
- cupsUser(), http->gssname);
+ cupsUser(), http->gsshost);
if ((password = cupsGetPassword2(prompt, http, method, resource)) == NULL)
return (-1);
username = cupsUser();
if (!strchr(username, '@'))
{
- snprintf(userbuf, sizeof(userbuf), "%s@%s", username, http->gssname);
+ snprintf(userbuf, sizeof(userbuf), "%s@%s", username, http->gsshost);
username = userbuf;
}
}
}
}
- else
#endif /* HAVE_GSS_ACQUIRED_CRED_EX_F */
if (GSS_ERROR(major_status))
* arbitrarily large credentials...
*/
- int authsize = 10 + /* "Negotiate " */
- output_token.length * 4 / 3 + 1 + /* Base64 */
- 1; /* nul */
+ int authsize = 10 + /* "Negotiate " */
+ (int)output_token.length * 4 / 3 + 1 + 1;
+ /* Base64 + nul */
httpSetAuthString(http, NULL, NULL);
- if ((http->authstring = malloc(authsize)) == NULL)
+ if ((http->authstring = malloc((size_t)authsize)) == NULL)
{
http->authstring = http->_authstring;
authsize = sizeof(http->_authstring);
}
- strcpy(http->authstring, "Negotiate ");
+ strlcpy(http->authstring, "Negotiate ", (size_t)authsize);
httpEncode64_2(http->authstring + 10, authsize - 10, output_token.value,
- output_token.length);
+ (int)output_token.length);
gss_release_buffer(&minor_status, &output_token);
}
int pid; /* Current process ID */
FILE *fp; /* Certificate file */
char trc[16], /* Try Root Certificate parameter */
- filename[1024], /* Certificate filename */
- certificate[33];/* Certificate string */
+ filename[1024]; /* Certificate filename */
_cups_globals_t *cg = _cupsGlobals(); /* Global data */
# if defined(HAVE_AUTHORIZATION_H)
OSStatus status; /* Status */
# endif /* HAVE_AUTHORIZATION_H */
- DEBUG_printf(("7cups_local_auth(http=%p) hostaddr=%s, hostname=\"%s\"",
- http, httpAddrString(http->hostaddr, filename, sizeof(filename)), http->hostname));
+ DEBUG_printf(("7cups_local_auth(http=%p) hostaddr=%s, hostname=\"%s\"", (void *)http, httpAddrString(http->hostaddr, filename, sizeof(filename)), http->hostname));
/*
* See if we are accessing localhost...
*/
if (!httpAddrLocalhost(http->hostaddr) &&
- strcasecmp(http->hostname, "localhost") != 0)
+ _cups_strcasecmp(http->hostname, "localhost") != 0)
{
DEBUG_puts("8cups_local_auth: Not a local connection!");
return (1);
if (
# ifdef HAVE_GSSAPI
- strncmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Negotiate", 9) &&
+ _cups_strncasecmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Negotiate", 9) &&
# endif /* HAVE_GSSAPI */
# ifdef HAVE_AUTHORIZATION_H
!httpGetSubField2(http, HTTP_FIELD_WWW_AUTHENTICATE, "authkey",
filename, strerror(errno)));
# ifdef HAVE_GSSAPI
- if (!strncmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Negotiate", 9))
+ if (!_cups_strncasecmp(http->fields[HTTP_FIELD_WWW_AUTHENTICATE], "Negotiate", 9))
{
/*
* Kerberos required, don't try the root certificate...
* Read the certificate from the file...
*/
- fgets(certificate, sizeof(certificate), fp);
+ char certificate[33], /* Certificate string */
+ *certptr; /* Pointer to certificate string */
+
+ certptr = fgets(certificate, sizeof(certificate), fp);
fclose(fp);
- /*
- * Set the authorization string and return...
- */
+ if (certptr)
+ {
+ /*
+ * Set the authorization string and return...
+ */
- httpSetAuthString(http, "Local", certificate);
+ httpSetAuthString(http, "Local", certificate);
- DEBUG_printf(("8cups_local_auth: Returning authstring=\"%s\"",
- http->authstring));
+ DEBUG_printf(("8cups_local_auth: Returning authstring=\"%s\"",
+ http->authstring));
- return (0);
+ return (0);
+ }
}
return (1);
#endif /* WIN32 || __EMX__ */
}
-
-
-/*
- * End of "$Id: auth.c 7720 2008-07-11 22:46:21Z mike $".
- */
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