1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "apr_sha1.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "apr_base64.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "apr_lib.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "apr_time.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "apr_errno.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "apr_global_mutex.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "apr_strings.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor#define APR_WANT_STRFUNC

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "apr_want.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "ap_config.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "httpd.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "http_config.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "http_core.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "http_request.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "http_log.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "http_protocol.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "apr_uri.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "util_md5.h"

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis#include "util_mutex.h"

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis#include "apr_shm.h"

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis#include "apr_rmm.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "ap_provider.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor#include "mod_auth.h"

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor#if APR_HAVE_UNISTD_H

1982fbecb99335961659b9961d47f2425bf142abgryzor#include <unistd.h>

1982fbecb99335961659b9961d47f2425bf142abgryzor#endif

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzortypedef struct digest_config_struct {

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *dir_name;

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis authn_provider_list *providers;

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis const char *realm;

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis apr_array_header_t *qop_list;

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis apr_sha1_ctx_t nonce_ctx;

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis apr_time_t nonce_lifetime;

1982fbecb99335961659b9961d47f2425bf142abgryzor int check_nc;

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis const char *algorithm;

1982fbecb99335961659b9961d47f2425bf142abgryzor char *uri_list;

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *ha1;

1982fbecb99335961659b9961d47f2425bf142abgryzor} digest_config_rec;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor#define DFLT_ALGORITHM "MD5"

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor#define DFLT_NONCE_LIFE apr_time_from_sec(300)

1982fbecb99335961659b9961d47f2425bf142abgryzor#define NEXTNONCE_DELTA apr_time_from_sec(30)

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor#define NONCE_TIME_LEN (((sizeof(apr_time_t)+2)/3)*4)

1982fbecb99335961659b9961d47f2425bf142abgryzor#define NONCE_HASH_LEN (2*APR_SHA1_DIGESTSIZE)

1982fbecb99335961659b9961d47f2425bf142abgryzor#define NONCE_LEN (int )(NONCE_TIME_LEN + NONCE_HASH_LEN)

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor#define SECRET_LEN 20

1982fbecb99335961659b9961d47f2425bf142abgryzor#define RETAINED_DATA_ID "mod_auth_digest"

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzortypedef struct hash_entry {

1982fbecb99335961659b9961d47f2425bf142abgryzor unsigned long key; /* the key for this entry */

1982fbecb99335961659b9961d47f2425bf142abgryzor struct hash_entry *next; /* next entry in the bucket */

1982fbecb99335961659b9961d47f2425bf142abgryzor unsigned long nonce_count; /* for nonce-count checking */

1982fbecb99335961659b9961d47f2425bf142abgryzor char last_nonce[NONCE_LEN+1]; /* for one-time nonce's */

1982fbecb99335961659b9961d47f2425bf142abgryzor} client_entry;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic struct hash_table {

1982fbecb99335961659b9961d47f2425bf142abgryzor client_entry **table;

1982fbecb99335961659b9961d47f2425bf142abgryzor unsigned long tbl_len;

1982fbecb99335961659b9961d47f2425bf142abgryzor unsigned long num_entries;

1982fbecb99335961659b9961d47f2425bf142abgryzor unsigned long num_created;

1982fbecb99335961659b9961d47f2425bf142abgryzor unsigned long num_removed;

1982fbecb99335961659b9961d47f2425bf142abgryzor unsigned long num_renewed;

1982fbecb99335961659b9961d47f2425bf142abgryzor} *client_list;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorenum hdr_sts { NO_HEADER, NOT_DIGEST, INVALID, VALID };

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzortypedef struct digest_header_struct {

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *scheme;

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *realm;

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *username;

1982fbecb99335961659b9961d47f2425bf142abgryzor char *nonce;

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *uri;

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *method;

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *digest;

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *algorithm;

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *cnonce;

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *opaque;

1982fbecb99335961659b9961d47f2425bf142abgryzor unsigned long opaque_num;

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *message_qop;

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *nonce_count;

1982fbecb99335961659b9961d47f2425bf142abgryzor /* the following fields are not (directly) from the header */

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *raw_request_uri;

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_uri_t *psd_request_uri;

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_time_t nonce_time;

1982fbecb99335961659b9961d47f2425bf142abgryzor enum hdr_sts auth_hdr_sts;

1982fbecb99335961659b9961d47f2425bf142abgryzor int needed_auth;

1982fbecb99335961659b9961d47f2425bf142abgryzor client_entry *client;

1982fbecb99335961659b9961d47f2425bf142abgryzor} digest_header_rec;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzortypedef union time_union {

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_time_t time;

1982fbecb99335961659b9961d47f2425bf142abgryzor unsigned char arr[sizeof(apr_time_t)];

1982fbecb99335961659b9961d47f2425bf142abgryzor} time_rec;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic unsigned char *secret;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic apr_shm_t *client_shm = NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic apr_rmm_t *client_rmm = NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic unsigned long *opaque_cntr;

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic apr_time_t *otn_counter; /* one-time-nonce counter */

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic apr_global_mutex_t *client_lock = NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic apr_global_mutex_t *opaque_lock = NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic const char *client_mutex_type = "authdigest-client";

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic const char *opaque_mutex_type = "authdigest-opaque";

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic const char *client_shm_filename;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor#define DEF_SHMEM_SIZE 1000L /* ~ 12 entries */

1982fbecb99335961659b9961d47f2425bf142abgryzor#define DEF_NUM_BUCKETS 15L

1982fbecb99335961659b9961d47f2425bf142abgryzor#define HASH_DEPTH 5

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic apr_size_t shmem_size = DEF_SHMEM_SIZE;

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic unsigned long num_buckets = DEF_NUM_BUCKETS;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzormodule AP_MODULE_DECLARE_DATA auth_digest_module;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic apr_status_t cleanup_tables(void *not_used)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1982fbecb99335961659b9961d47f2425bf142abgryzor ap_log_error(APLOG_MARK, APLOG_INFO, 0, NULL, APLOGNO(01756)

1982fbecb99335961659b9961d47f2425bf142abgryzor "cleaning up shared memory");

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (client_rmm) {

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_rmm_destroy(client_rmm);

1982fbecb99335961659b9961d47f2425bf142abgryzor client_rmm = NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (client_shm) {

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_shm_destroy(client_shm);

1982fbecb99335961659b9961d47f2425bf142abgryzor client_shm = NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (client_lock) {

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_global_mutex_destroy(client_lock);

1982fbecb99335961659b9961d47f2425bf142abgryzor client_lock = NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (opaque_lock) {

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_global_mutex_destroy(opaque_lock);

1982fbecb99335961659b9961d47f2425bf142abgryzor opaque_lock = NULL;

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis }

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis client_list = NULL;

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis

1982fbecb99335961659b9961d47f2425bf142abgryzor return APR_SUCCESS;

1982fbecb99335961659b9961d47f2425bf142abgryzor}

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic void log_error_and_cleanup(char *msg, apr_status_t sts, server_rec *s)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1982fbecb99335961659b9961d47f2425bf142abgryzor ap_log_error(APLOG_MARK, APLOG_ERR, sts, s, APLOGNO(01760)

1982fbecb99335961659b9961d47f2425bf142abgryzor "%s - all nonce-count checking and one-time nonces "

1982fbecb99335961659b9961d47f2425bf142abgryzor "disabled", msg);

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor cleanup_tables(NULL);

1982fbecb99335961659b9961d47f2425bf142abgryzor}

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor#if APR_HAS_SHARED_MEMORY

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic int initialize_tables(server_rec *s, apr_pool_t *ctx)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1982fbecb99335961659b9961d47f2425bf142abgryzor unsigned long idx;

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_status_t sts;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* set up client list */

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* Create the shared memory segment */

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /*

1982fbecb99335961659b9961d47f2425bf142abgryzor client_shm_filename = ap_runtime_dir_relative(ctx, "authdigest_shm");

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis client_shm_filename = ap_append_pid(ctx, client_shm_filename, ".");

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* Now create that segment */

1982fbecb99335961659b9961d47f2425bf142abgryzor sts = apr_shm_create(&client_shm, shmem_size,

1982fbecb99335961659b9961d47f2425bf142abgryzor client_shm_filename, ctx);

1982fbecb99335961659b9961d47f2425bf142abgryzor if (APR_SUCCESS != sts) {

1982fbecb99335961659b9961d47f2425bf142abgryzor ap_log_error(APLOG_MARK, APLOG_ERR, sts, s, APLOGNO(01762)

1982fbecb99335961659b9961d47f2425bf142abgryzor "Failed to create shared memory segment on file %s",

1982fbecb99335961659b9961d47f2425bf142abgryzor client_shm_filename);

1982fbecb99335961659b9961d47f2425bf142abgryzor log_error_and_cleanup("failed to initialize shm", sts, s);

1982fbecb99335961659b9961d47f2425bf142abgryzor return HTTP_INTERNAL_SERVER_ERROR;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor sts = apr_rmm_init(&client_rmm,

1982fbecb99335961659b9961d47f2425bf142abgryzor NULL, /* no lock, we'll do the locking ourselves */

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_shm_baseaddr_get(client_shm),

1982fbecb99335961659b9961d47f2425bf142abgryzor shmem_size, ctx);

1982fbecb99335961659b9961d47f2425bf142abgryzor if (sts != APR_SUCCESS) {

1982fbecb99335961659b9961d47f2425bf142abgryzor log_error_and_cleanup("failed to initialize rmm", sts, s);

1982fbecb99335961659b9961d47f2425bf142abgryzor return !OK;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor client_list = apr_rmm_addr_get(client_rmm, apr_rmm_malloc(client_rmm, sizeof(*client_list) +

1982fbecb99335961659b9961d47f2425bf142abgryzor sizeof(client_entry*)*num_buckets));

1982fbecb99335961659b9961d47f2425bf142abgryzor if (!client_list) {

1982fbecb99335961659b9961d47f2425bf142abgryzor log_error_and_cleanup("failed to allocate shared memory", -1, s);

1982fbecb99335961659b9961d47f2425bf142abgryzor return !OK;

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis }

1982fbecb99335961659b9961d47f2425bf142abgryzor client_list->table = (client_entry**) (client_list + 1);

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis for (idx = 0; idx < num_buckets; idx++) {

1982fbecb99335961659b9961d47f2425bf142abgryzor client_list->table[idx] = NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor client_list->tbl_len = num_buckets;

1982fbecb99335961659b9961d47f2425bf142abgryzor client_list->num_entries = 0;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor sts = ap_global_mutex_create(&client_lock, NULL, client_mutex_type, NULL,

1982fbecb99335961659b9961d47f2425bf142abgryzor s, ctx, 0);

1982fbecb99335961659b9961d47f2425bf142abgryzor if (sts != APR_SUCCESS) {

1982fbecb99335961659b9961d47f2425bf142abgryzor log_error_and_cleanup("failed to create lock (client_lock)", sts, s);

1982fbecb99335961659b9961d47f2425bf142abgryzor return !OK;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* setup opaque */

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor opaque_cntr = apr_rmm_addr_get(client_rmm, apr_rmm_malloc(client_rmm, sizeof(*opaque_cntr)));

1982fbecb99335961659b9961d47f2425bf142abgryzor if (opaque_cntr == NULL) {

1982fbecb99335961659b9961d47f2425bf142abgryzor log_error_and_cleanup("failed to allocate shared memory", -1, s);

1982fbecb99335961659b9961d47f2425bf142abgryzor return !OK;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor *opaque_cntr = 1UL;

1982fbecb99335961659b9961d47f2425bf142abgryzor

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis sts = ap_global_mutex_create(&opaque_lock, NULL, opaque_mutex_type, NULL,

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis s, ctx, 0);

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis if (sts != APR_SUCCESS) {

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis log_error_and_cleanup("failed to create lock (opaque_lock)", sts, s);

1982fbecb99335961659b9961d47f2425bf142abgryzor return !OK;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* setup one-time-nonce counter */

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor otn_counter = apr_rmm_addr_get(client_rmm, apr_rmm_malloc(client_rmm, sizeof(*otn_counter)));

1982fbecb99335961659b9961d47f2425bf142abgryzor if (otn_counter == NULL) {

1982fbecb99335961659b9961d47f2425bf142abgryzor log_error_and_cleanup("failed to allocate shared memory", -1, s);

1982fbecb99335961659b9961d47f2425bf142abgryzor return !OK;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

2f44538c88c5310bebb17a39b171487315a45624lgentis *otn_counter = 0;

2f44538c88c5310bebb17a39b171487315a45624lgentis /* no lock here */

2f44538c88c5310bebb17a39b171487315a45624lgentis

2f44538c88c5310bebb17a39b171487315a45624lgentis

2f44538c88c5310bebb17a39b171487315a45624lgentis /* success */

2f44538c88c5310bebb17a39b171487315a45624lgentis return OK;

2f44538c88c5310bebb17a39b171487315a45624lgentis}

2f44538c88c5310bebb17a39b171487315a45624lgentis

2f44538c88c5310bebb17a39b171487315a45624lgentis#endif /* APR_HAS_SHARED_MEMORY */

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic int pre_init(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_status_t rv;

1982fbecb99335961659b9961d47f2425bf142abgryzor void *retained;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor rv = ap_mutex_register(pconf, client_mutex_type, NULL, APR_LOCK_DEFAULT, 0);

1982fbecb99335961659b9961d47f2425bf142abgryzor if (rv != APR_SUCCESS)

1982fbecb99335961659b9961d47f2425bf142abgryzor return !OK;

1982fbecb99335961659b9961d47f2425bf142abgryzor rv = ap_mutex_register(pconf, opaque_mutex_type, NULL, APR_LOCK_DEFAULT, 0);

1982fbecb99335961659b9961d47f2425bf142abgryzor if (rv != APR_SUCCESS)

1982fbecb99335961659b9961d47f2425bf142abgryzor return !OK;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor retained = ap_retained_data_get(RETAINED_DATA_ID);

1982fbecb99335961659b9961d47f2425bf142abgryzor if (retained == NULL) {

00ce3c4e13e755c33b63f45c5d3ae69eccd977b1lgentis retained = ap_retained_data_create(RETAINED_DATA_ID, SECRET_LEN);

00ce3c4e13e755c33b63f45c5d3ae69eccd977b1lgentis ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, NULL, APLOGNO(01757)

00ce3c4e13e755c33b63f45c5d3ae69eccd977b1lgentis "generating secret for digest authentication");

00ce3c4e13e755c33b63f45c5d3ae69eccd977b1lgentis#if APR_HAS_RANDOM

00ce3c4e13e755c33b63f45c5d3ae69eccd977b1lgentis rv = apr_generate_random_bytes(retained, SECRET_LEN);

00ce3c4e13e755c33b63f45c5d3ae69eccd977b1lgentis#else

00ce3c4e13e755c33b63f45c5d3ae69eccd977b1lgentis#error APR random number support is missing

00ce3c4e13e755c33b63f45c5d3ae69eccd977b1lgentis#endif

00ce3c4e13e755c33b63f45c5d3ae69eccd977b1lgentis if (rv != APR_SUCCESS) {

1982fbecb99335961659b9961d47f2425bf142abgryzor ap_log_error(APLOG_MARK, APLOG_CRIT, rv, NULL, APLOGNO(01758)

1982fbecb99335961659b9961d47f2425bf142abgryzor "error generating secret");

1982fbecb99335961659b9961d47f2425bf142abgryzor return !OK;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor secret = retained;

1982fbecb99335961659b9961d47f2425bf142abgryzor return OK;

1982fbecb99335961659b9961d47f2425bf142abgryzor}

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic int initialize_module(apr_pool_t *p, apr_pool_t *plog,

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_pool_t *ptemp, server_rec *s)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1982fbecb99335961659b9961d47f2425bf142abgryzor /* initialize_module() will be called twice, and if it's a DSO

1982fbecb99335961659b9961d47f2425bf142abgryzor if (ap_state_query(AP_SQ_MAIN_STATE) == AP_SQ_MS_CREATE_PRE_CONFIG)

1982fbecb99335961659b9961d47f2425bf142abgryzor return OK;

1982fbecb99335961659b9961d47f2425bf142abgryzor

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis#if APR_HAS_SHARED_MEMORY

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis /* Note: this stuff is currently fixed for the lifetime of the server,

1982fbecb99335961659b9961d47f2425bf142abgryzor if (initialize_tables(s, p) != OK) {

1982fbecb99335961659b9961d47f2425bf142abgryzor return !OK;

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis }

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis /* Call cleanup_tables on exit or restart */

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis apr_pool_cleanup_register(p, NULL, cleanup_tables, apr_pool_cleanup_null);

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis#endif /* APR_HAS_SHARED_MEMORY */

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis return OK;

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis}

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentisstatic void initialize_child(apr_pool_t *p, server_rec *s)

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis{

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis apr_status_t sts;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (!client_shm) {

1982fbecb99335961659b9961d47f2425bf142abgryzor return;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* Get access to rmm in child */

1982fbecb99335961659b9961d47f2425bf142abgryzor sts = apr_rmm_attach(&client_rmm,

1982fbecb99335961659b9961d47f2425bf142abgryzor NULL,

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_shm_baseaddr_get(client_shm),

1982fbecb99335961659b9961d47f2425bf142abgryzor p);

1982fbecb99335961659b9961d47f2425bf142abgryzor if (sts != APR_SUCCESS) {

1982fbecb99335961659b9961d47f2425bf142abgryzor log_error_and_cleanup("failed to attach to rmm", sts, s);

1982fbecb99335961659b9961d47f2425bf142abgryzor return;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor sts = apr_global_mutex_child_init(&client_lock,

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_global_mutex_lockfile(client_lock),

1982fbecb99335961659b9961d47f2425bf142abgryzor p);

1982fbecb99335961659b9961d47f2425bf142abgryzor if (sts != APR_SUCCESS) {

1982fbecb99335961659b9961d47f2425bf142abgryzor log_error_and_cleanup("failed to create lock (client_lock)", sts, s);

1982fbecb99335961659b9961d47f2425bf142abgryzor return;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis sts = apr_global_mutex_child_init(&opaque_lock,

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis apr_global_mutex_lockfile(opaque_lock),

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis p);

1982fbecb99335961659b9961d47f2425bf142abgryzor if (sts != APR_SUCCESS) {

1982fbecb99335961659b9961d47f2425bf142abgryzor log_error_and_cleanup("failed to create lock (opaque_lock)", sts, s);

1982fbecb99335961659b9961d47f2425bf142abgryzor return;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor}

1982fbecb99335961659b9961d47f2425bf142abgryzor

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic void *create_digest_dir_config(apr_pool_t *p, char *dir)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1982fbecb99335961659b9961d47f2425bf142abgryzor digest_config_rec *conf;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (dir == NULL) {

1982fbecb99335961659b9961d47f2425bf142abgryzor return NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor conf = (digest_config_rec *) apr_pcalloc(p, sizeof(digest_config_rec));

1982fbecb99335961659b9961d47f2425bf142abgryzor if (conf) {

1982fbecb99335961659b9961d47f2425bf142abgryzor conf->qop_list = apr_array_make(p, 2, sizeof(char *));

1982fbecb99335961659b9961d47f2425bf142abgryzor conf->nonce_lifetime = DFLT_NONCE_LIFE;

1982fbecb99335961659b9961d47f2425bf142abgryzor conf->dir_name = apr_pstrdup(p, dir);

1982fbecb99335961659b9961d47f2425bf142abgryzor conf->algorithm = DFLT_ALGORITHM;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor return conf;

1982fbecb99335961659b9961d47f2425bf142abgryzor}

1982fbecb99335961659b9961d47f2425bf142abgryzor

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentisstatic const char *set_realm(cmd_parms *cmd, void *config, const char *realm)

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis{

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis digest_config_rec *conf = (digest_config_rec *) config;

1982fbecb99335961659b9961d47f2425bf142abgryzor#ifdef AP_DEBUG

1982fbecb99335961659b9961d47f2425bf142abgryzor int i;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* check that we got random numbers */

1982fbecb99335961659b9961d47f2425bf142abgryzor for (i = 0; i < SECRET_LEN; i++) {

1982fbecb99335961659b9961d47f2425bf142abgryzor if (secret[i] != 0)

1982fbecb99335961659b9961d47f2425bf142abgryzor break;

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis }

4721c0c3564368123b87ba96db0bde5e3dd44357lgentis ap_assert(i < SECRET_LEN);

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis#endif

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* The core already handles the realm, but it's just too convenient to

1982fbecb99335961659b9961d47f2425bf142abgryzor conf->realm = realm;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* we precompute the part of the nonce hash that is constant (well,

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_sha1_init(&conf->nonce_ctx);

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_sha1_update_binary(&conf->nonce_ctx, secret, SECRET_LEN);

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_sha1_update_binary(&conf->nonce_ctx, (const unsigned char *) realm,

1982fbecb99335961659b9961d47f2425bf142abgryzor strlen(realm));

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor return DECLINE_CMD;

1982fbecb99335961659b9961d47f2425bf142abgryzor}

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic const char *add_authn_provider(cmd_parms *cmd, void *config,

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis const char *arg)

4721c0c3564368123b87ba96db0bde5e3dd44357lgentis{

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis digest_config_rec *conf = (digest_config_rec*)config;

1982fbecb99335961659b9961d47f2425bf142abgryzor authn_provider_list *newp;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor newp = apr_pcalloc(cmd->pool, sizeof(authn_provider_list));

1982fbecb99335961659b9961d47f2425bf142abgryzor newp->provider_name = arg;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* lookup and cache the actual provider now */

1982fbecb99335961659b9961d47f2425bf142abgryzor newp->provider = ap_lookup_provider(AUTHN_PROVIDER_GROUP,

1982fbecb99335961659b9961d47f2425bf142abgryzor newp->provider_name,

1982fbecb99335961659b9961d47f2425bf142abgryzor AUTHN_PROVIDER_VERSION);

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (newp->provider == NULL) {

1982fbecb99335961659b9961d47f2425bf142abgryzor /* by the time they use it, the provider should be loaded and

1982fbecb99335961659b9961d47f2425bf142abgryzor return apr_psprintf(cmd->pool,

1982fbecb99335961659b9961d47f2425bf142abgryzor "Unknown Authn provider: %s",

1982fbecb99335961659b9961d47f2425bf142abgryzor newp->provider_name);

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis if (!newp->provider->get_realm_hash) {

1982fbecb99335961659b9961d47f2425bf142abgryzor /* if it doesn't provide the appropriate function, reject it */

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis return apr_psprintf(cmd->pool,

1982fbecb99335961659b9961d47f2425bf142abgryzor "The '%s' Authn provider doesn't support "

1982fbecb99335961659b9961d47f2425bf142abgryzor "Digest Authentication", newp->provider_name);

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* Add it to the list now. */

1982fbecb99335961659b9961d47f2425bf142abgryzor if (!conf->providers) {

1982fbecb99335961659b9961d47f2425bf142abgryzor conf->providers = newp;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor else {

1982fbecb99335961659b9961d47f2425bf142abgryzor authn_provider_list *last = conf->providers;

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis

1982fbecb99335961659b9961d47f2425bf142abgryzor while (last->next) {

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis last = last->next;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor last->next = newp;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor return NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzor}

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic const char *set_qop(cmd_parms *cmd, void *config, const char *op)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis digest_config_rec *conf = (digest_config_rec *) config;

1982fbecb99335961659b9961d47f2425bf142abgryzor

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis if (!strcasecmp(op, "none")) {

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_array_clear(conf->qop_list);

1982fbecb99335961659b9961d47f2425bf142abgryzor *(const char **)apr_array_push(conf->qop_list) = "none";

1982fbecb99335961659b9961d47f2425bf142abgryzor return NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (!strcasecmp(op, "auth-int")) {

1982fbecb99335961659b9961d47f2425bf142abgryzor return "AuthDigestQop auth-int is not implemented";

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor else if (strcasecmp(op, "auth")) {

1982fbecb99335961659b9961d47f2425bf142abgryzor return apr_pstrcat(cmd->pool, "Unrecognized qop: ", op, NULL);

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor *(const char **)apr_array_push(conf->qop_list) = op;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor return NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzor}

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic const char *set_nonce_lifetime(cmd_parms *cmd, void *config,

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *t)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1982fbecb99335961659b9961d47f2425bf142abgryzor char *endptr;

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis long lifetime;

9712e2af82f08159755667b0e00e4e48caf97d7ahumbedooh

1982fbecb99335961659b9961d47f2425bf142abgryzor lifetime = strtol(t, &endptr, 10);

1982fbecb99335961659b9961d47f2425bf142abgryzor if (endptr < (t+strlen(t)) && !apr_isspace(*endptr)) {

1982fbecb99335961659b9961d47f2425bf142abgryzor return apr_pstrcat(cmd->pool,

1982fbecb99335961659b9961d47f2425bf142abgryzor "Invalid time in AuthDigestNonceLifetime: ",

1982fbecb99335961659b9961d47f2425bf142abgryzor t, NULL);

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis ((digest_config_rec *) config)->nonce_lifetime = apr_time_from_sec(lifetime);

1982fbecb99335961659b9961d47f2425bf142abgryzor return NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzor}

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic const char *set_nonce_format(cmd_parms *cmd, void *config,

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *fmt)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1982fbecb99335961659b9961d47f2425bf142abgryzor return "AuthDigestNonceFormat is not implemented";

1982fbecb99335961659b9961d47f2425bf142abgryzor}

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic const char *set_nc_check(cmd_parms *cmd, void *config, int flag)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1982fbecb99335961659b9961d47f2425bf142abgryzor#if !APR_HAS_SHARED_MEMORY

027a412efb8b93639a95a64712f9a9c9958fe066lgentis if (flag) {

1982fbecb99335961659b9961d47f2425bf142abgryzor return "AuthDigestNcCheck: ERROR: nonce-count checking "

1982fbecb99335961659b9961d47f2425bf142abgryzor "is not supported on platforms without shared-memory "

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis "support";

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis }

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis#endif

00ce3c4e13e755c33b63f45c5d3ae69eccd977b1lgentis

00ce3c4e13e755c33b63f45c5d3ae69eccd977b1lgentis ((digest_config_rec *) config)->check_nc = flag;

00ce3c4e13e755c33b63f45c5d3ae69eccd977b1lgentis return NULL;

00ce3c4e13e755c33b63f45c5d3ae69eccd977b1lgentis}

00ce3c4e13e755c33b63f45c5d3ae69eccd977b1lgentis

00ce3c4e13e755c33b63f45c5d3ae69eccd977b1lgentisstatic const char *set_algorithm(cmd_parms *cmd, void *config, const char *alg)

00ce3c4e13e755c33b63f45c5d3ae69eccd977b1lgentis{

1982fbecb99335961659b9961d47f2425bf142abgryzor if (!strcasecmp(alg, "MD5-sess")) {

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis return "AuthDigestAlgorithm: ERROR: algorithm `MD5-sess' "

1982fbecb99335961659b9961d47f2425bf142abgryzor "is not implemented";

1982fbecb99335961659b9961d47f2425bf142abgryzor }

db158bb207b0f01432bfc00b3df488226b87532dlgentis else if (strcasecmp(alg, "MD5")) {

db158bb207b0f01432bfc00b3df488226b87532dlgentis return apr_pstrcat(cmd->pool, "Invalid algorithm in AuthDigestAlgorithm: ", alg, NULL);

db158bb207b0f01432bfc00b3df488226b87532dlgentis }

db158bb207b0f01432bfc00b3df488226b87532dlgentis

db158bb207b0f01432bfc00b3df488226b87532dlgentis ((digest_config_rec *) config)->algorithm = alg;

db158bb207b0f01432bfc00b3df488226b87532dlgentis return NULL;

db158bb207b0f01432bfc00b3df488226b87532dlgentis}

db158bb207b0f01432bfc00b3df488226b87532dlgentis

db158bb207b0f01432bfc00b3df488226b87532dlgentisstatic const char *set_uri_list(cmd_parms *cmd, void *config, const char *uri)

db158bb207b0f01432bfc00b3df488226b87532dlgentis{

db158bb207b0f01432bfc00b3df488226b87532dlgentis digest_config_rec *c = (digest_config_rec *) config;

db158bb207b0f01432bfc00b3df488226b87532dlgentis if (c->uri_list) {

db158bb207b0f01432bfc00b3df488226b87532dlgentis c->uri_list[strlen(c->uri_list)-1] = '\0';

db158bb207b0f01432bfc00b3df488226b87532dlgentis c->uri_list = apr_pstrcat(cmd->pool, c->uri_list, " ", uri, "\"", NULL);

db158bb207b0f01432bfc00b3df488226b87532dlgentis }

db158bb207b0f01432bfc00b3df488226b87532dlgentis else {

db158bb207b0f01432bfc00b3df488226b87532dlgentis c->uri_list = apr_pstrcat(cmd->pool, ", domain=\"", uri, "\"", NULL);

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis }

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis return NULL;

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis}

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentisstatic const char *set_shmem_size(cmd_parms *cmd, void *config,

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis const char *size_str)

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis{

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis char *endptr;

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis long size, min;

db158bb207b0f01432bfc00b3df488226b87532dlgentis

db158bb207b0f01432bfc00b3df488226b87532dlgentis size = strtol(size_str, &endptr, 10);

db158bb207b0f01432bfc00b3df488226b87532dlgentis while (apr_isspace(*endptr)) endptr++;

db158bb207b0f01432bfc00b3df488226b87532dlgentis if (*endptr == '\0' || *endptr == 'b' || *endptr == 'B') {

db158bb207b0f01432bfc00b3df488226b87532dlgentis ;

db158bb207b0f01432bfc00b3df488226b87532dlgentis }

db158bb207b0f01432bfc00b3df488226b87532dlgentis else if (*endptr == 'k' || *endptr == 'K') {

1982fbecb99335961659b9961d47f2425bf142abgryzor size *= 1024;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor else if (*endptr == 'm' || *endptr == 'M') {

1982fbecb99335961659b9961d47f2425bf142abgryzor size *= 1048576;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor else {

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis return apr_pstrcat(cmd->pool, "Invalid size in AuthDigestShmemSize: ",

1982fbecb99335961659b9961d47f2425bf142abgryzor size_str, NULL);

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor min = sizeof(*client_list) + sizeof(client_entry*) + sizeof(client_entry);

1982fbecb99335961659b9961d47f2425bf142abgryzor if (size < min) {

1982fbecb99335961659b9961d47f2425bf142abgryzor return apr_psprintf(cmd->pool, "size in AuthDigestShmemSize too small: "

1982fbecb99335961659b9961d47f2425bf142abgryzor "%ld < %ld", size, min);

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor shmem_size = size;

1982fbecb99335961659b9961d47f2425bf142abgryzor num_buckets = (size - sizeof(*client_list)) /

1982fbecb99335961659b9961d47f2425bf142abgryzor (sizeof(client_entry*) + HASH_DEPTH * sizeof(client_entry));

020366f830905b6b5dfccfa03373379ae6a13e7blgentis if (num_buckets == 0) {

020366f830905b6b5dfccfa03373379ae6a13e7blgentis num_buckets = 1;

020366f830905b6b5dfccfa03373379ae6a13e7blgentis }

020366f830905b6b5dfccfa03373379ae6a13e7blgentis ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, cmd->server, APLOGNO(01763)

020366f830905b6b5dfccfa03373379ae6a13e7blgentis "Set shmem-size: %" APR_SIZE_T_FMT ", num-buckets: %ld",

020366f830905b6b5dfccfa03373379ae6a13e7blgentis shmem_size, num_buckets);

020366f830905b6b5dfccfa03373379ae6a13e7blgentis

020366f830905b6b5dfccfa03373379ae6a13e7blgentis return NULL;

020366f830905b6b5dfccfa03373379ae6a13e7blgentis}

020366f830905b6b5dfccfa03373379ae6a13e7blgentis

020366f830905b6b5dfccfa03373379ae6a13e7blgentisstatic const command_rec digest_cmds[] =

020366f830905b6b5dfccfa03373379ae6a13e7blgentis{

020366f830905b6b5dfccfa03373379ae6a13e7blgentis AP_INIT_TAKE1("AuthName", set_realm, NULL, OR_AUTHCFG,

020366f830905b6b5dfccfa03373379ae6a13e7blgentis "The authentication realm (e.g. \"Members Only\")"),

020366f830905b6b5dfccfa03373379ae6a13e7blgentis AP_INIT_ITERATE("AuthDigestProvider", add_authn_provider, NULL, OR_AUTHCFG,

09796a508c72a6aba33aa486753bb8cdea806d43lgentis "specify the auth providers for a directory or location"),

1982fbecb99335961659b9961d47f2425bf142abgryzor AP_INIT_ITERATE("AuthDigestQop", set_qop, NULL, OR_AUTHCFG,

1982fbecb99335961659b9961d47f2425bf142abgryzor "A list of quality-of-protection options"),

1982fbecb99335961659b9961d47f2425bf142abgryzor AP_INIT_TAKE1("AuthDigestNonceLifetime", set_nonce_lifetime, NULL, OR_AUTHCFG,

576c49cd335618ad4b5351bd1c5f2cfd7584dba4lgentis "Maximum lifetime of the server nonce (seconds)"),

1982fbecb99335961659b9961d47f2425bf142abgryzor AP_INIT_TAKE1("AuthDigestNonceFormat", set_nonce_format, NULL, OR_AUTHCFG,

1982fbecb99335961659b9961d47f2425bf142abgryzor "The format to use when generating the server nonce"),

1982fbecb99335961659b9961d47f2425bf142abgryzor AP_INIT_FLAG("AuthDigestNcCheck", set_nc_check, NULL, OR_AUTHCFG,

b228078ccfac4cc568b6723f4d1b9a2317d67d5elgentis "Whether or not to check the nonce-count sent by the client"),

b228078ccfac4cc568b6723f4d1b9a2317d67d5elgentis AP_INIT_TAKE1("AuthDigestAlgorithm", set_algorithm, NULL, OR_AUTHCFG,

b228078ccfac4cc568b6723f4d1b9a2317d67d5elgentis "The algorithm used for the hash calculation"),

b228078ccfac4cc568b6723f4d1b9a2317d67d5elgentis AP_INIT_ITERATE("AuthDigestDomain", set_uri_list, NULL, OR_AUTHCFG,

1982fbecb99335961659b9961d47f2425bf142abgryzor "A list of URI's which belong to the same protection space as the current URI"),

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis AP_INIT_TAKE1("AuthDigestShmemSize", set_shmem_size, NULL, RSRC_CONF,

1982fbecb99335961659b9961d47f2425bf142abgryzor "The amount of shared memory to allocate for keeping track of clients"),

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis {NULL}

1982fbecb99335961659b9961d47f2425bf142abgryzor};

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic client_entry *get_client(unsigned long key, const request_rec *r)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1982fbecb99335961659b9961d47f2425bf142abgryzor int bucket;

1982fbecb99335961659b9961d47f2425bf142abgryzor client_entry *entry, *prev = NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (!key || !client_shm) return NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor bucket = key % client_list->tbl_len;

1982fbecb99335961659b9961d47f2425bf142abgryzor entry = client_list->table[bucket];

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_global_mutex_lock(client_lock);

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor while (entry && key != entry->key) {

1982fbecb99335961659b9961d47f2425bf142abgryzor prev = entry;

1982fbecb99335961659b9961d47f2425bf142abgryzor entry = entry->next;

576c49cd335618ad4b5351bd1c5f2cfd7584dba4lgentis }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (entry && prev) { /* move entry to front of list */

1982fbecb99335961659b9961d47f2425bf142abgryzor prev->next = entry->next;

1982fbecb99335961659b9961d47f2425bf142abgryzor entry->next = client_list->table[bucket];

1982fbecb99335961659b9961d47f2425bf142abgryzor client_list->table[bucket] = entry;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_global_mutex_unlock(client_lock);

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (entry) {

1982fbecb99335961659b9961d47f2425bf142abgryzor ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01764)

1982fbecb99335961659b9961d47f2425bf142abgryzor "get_client(): client %lu found", key);

576c49cd335618ad4b5351bd1c5f2cfd7584dba4lgentis }

1982fbecb99335961659b9961d47f2425bf142abgryzor else {

1982fbecb99335961659b9961d47f2425bf142abgryzor ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01765)

1982fbecb99335961659b9961d47f2425bf142abgryzor "get_client(): client %lu not found", key);

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor return entry;

1982fbecb99335961659b9961d47f2425bf142abgryzor}

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic long gc(void)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1982fbecb99335961659b9961d47f2425bf142abgryzor client_entry *entry, *prev;

1982fbecb99335961659b9961d47f2425bf142abgryzor unsigned long num_removed = 0, idx;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* garbage collect all last entries */

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor for (idx = 0; idx < client_list->tbl_len; idx++) {

1982fbecb99335961659b9961d47f2425bf142abgryzor entry = client_list->table[idx];

1982fbecb99335961659b9961d47f2425bf142abgryzor prev = NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzor while (entry->next) { /* find last entry */

1982fbecb99335961659b9961d47f2425bf142abgryzor prev = entry;

1982fbecb99335961659b9961d47f2425bf142abgryzor entry = entry->next;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor if (prev) {

1982fbecb99335961659b9961d47f2425bf142abgryzor prev->next = NULL; /* cut list */

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor else {

2f44538c88c5310bebb17a39b171487315a45624lgentis client_list->table[idx] = NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor if (entry) { /* remove entry */

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_rmm_free(client_rmm, apr_rmm_offset_get(client_rmm, entry));

1982fbecb99335961659b9961d47f2425bf142abgryzor num_removed++;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* update counters and log */

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor client_list->num_entries -= num_removed;

1982fbecb99335961659b9961d47f2425bf142abgryzor client_list->num_removed += num_removed;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor return num_removed;

1982fbecb99335961659b9961d47f2425bf142abgryzor}

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

576c49cd335618ad4b5351bd1c5f2cfd7584dba4lgentisstatic client_entry *add_client(unsigned long key, client_entry *info,

1982fbecb99335961659b9961d47f2425bf142abgryzor server_rec *s)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1982fbecb99335961659b9961d47f2425bf142abgryzor int bucket;

1982fbecb99335961659b9961d47f2425bf142abgryzor client_entry *entry;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (!key || !client_shm) {

1982fbecb99335961659b9961d47f2425bf142abgryzor return NULL;

576c49cd335618ad4b5351bd1c5f2cfd7584dba4lgentis }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor bucket = key % client_list->tbl_len;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_global_mutex_lock(client_lock);

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis /* try to allocate a new entry */

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis

1982fbecb99335961659b9961d47f2425bf142abgryzor entry = apr_rmm_addr_get(client_rmm, apr_rmm_malloc(client_rmm, sizeof(client_entry)));

1982fbecb99335961659b9961d47f2425bf142abgryzor if (!entry) {

1982fbecb99335961659b9961d47f2425bf142abgryzor long num_removed = gc();

1982fbecb99335961659b9961d47f2425bf142abgryzor ap_log_error(APLOG_MARK, APLOG_INFO, 0, s, APLOGNO(01766)

1982fbecb99335961659b9961d47f2425bf142abgryzor "gc'd %ld client entries. Total new clients: "

1982fbecb99335961659b9961d47f2425bf142abgryzor "%ld; Total removed clients: %ld; Total renewed clients: "

1982fbecb99335961659b9961d47f2425bf142abgryzor "%ld", num_removed,

1982fbecb99335961659b9961d47f2425bf142abgryzor client_list->num_created - client_list->num_renewed,

1982fbecb99335961659b9961d47f2425bf142abgryzor client_list->num_removed, client_list->num_renewed);

1982fbecb99335961659b9961d47f2425bf142abgryzor entry = apr_rmm_addr_get(client_rmm, apr_rmm_malloc(client_rmm, sizeof(client_entry)));

1982fbecb99335961659b9961d47f2425bf142abgryzor if (!entry) {

1982fbecb99335961659b9961d47f2425bf142abgryzor ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, APLOGNO(01767)

1982fbecb99335961659b9961d47f2425bf142abgryzor "unable to allocate new auth_digest client");

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_global_mutex_unlock(client_lock);

1982fbecb99335961659b9961d47f2425bf142abgryzor return NULL; /* give up */

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* now add the entry */

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor memcpy(entry, info, sizeof(client_entry));

1982fbecb99335961659b9961d47f2425bf142abgryzor entry->key = key;

1982fbecb99335961659b9961d47f2425bf142abgryzor entry->next = client_list->table[bucket];

1982fbecb99335961659b9961d47f2425bf142abgryzor client_list->table[bucket] = entry;

1982fbecb99335961659b9961d47f2425bf142abgryzor client_list->num_created++;

1982fbecb99335961659b9961d47f2425bf142abgryzor client_list->num_entries++;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_global_mutex_unlock(client_lock);

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, APLOGNO(01768)

1982fbecb99335961659b9961d47f2425bf142abgryzor "allocated new client %lu", key);

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor return entry;

1982fbecb99335961659b9961d47f2425bf142abgryzor}

b228078ccfac4cc568b6723f4d1b9a2317d67d5elgentis

b228078ccfac4cc568b6723f4d1b9a2317d67d5elgentis

b228078ccfac4cc568b6723f4d1b9a2317d67d5elgentis

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic int get_digest_rec(request_rec *r, digest_header_rec *resp)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis const char *auth_line;

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_size_t l;

1982fbecb99335961659b9961d47f2425bf142abgryzor int vk = 0, vv = 0;

1982fbecb99335961659b9961d47f2425bf142abgryzor char *key, *value;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor auth_line = apr_table_get(r->headers_in,

1982fbecb99335961659b9961d47f2425bf142abgryzor (PROXYREQ_PROXY == r->proxyreq)

1982fbecb99335961659b9961d47f2425bf142abgryzor ? "Proxy-Authorization"

1982fbecb99335961659b9961d47f2425bf142abgryzor : "Authorization");

1982fbecb99335961659b9961d47f2425bf142abgryzor if (!auth_line) {

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->auth_hdr_sts = NO_HEADER;

1982fbecb99335961659b9961d47f2425bf142abgryzor return !OK;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->scheme = ap_getword_white(r->pool, &auth_line);

1982fbecb99335961659b9961d47f2425bf142abgryzor if (strcasecmp(resp->scheme, "Digest")) {

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->auth_hdr_sts = NOT_DIGEST;

1982fbecb99335961659b9961d47f2425bf142abgryzor return !OK;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis

1982fbecb99335961659b9961d47f2425bf142abgryzor l = strlen(auth_line);

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor key = apr_palloc(r->pool, l+1);

1982fbecb99335961659b9961d47f2425bf142abgryzor value = apr_palloc(r->pool, l+1);

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor while (auth_line[0] != '\0') {

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* find key */

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor while (apr_isspace(auth_line[0])) {

1982fbecb99335961659b9961d47f2425bf142abgryzor auth_line++;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor vk = 0;

1982fbecb99335961659b9961d47f2425bf142abgryzor while (auth_line[0] != '=' && auth_line[0] != ','

1982fbecb99335961659b9961d47f2425bf142abgryzor && auth_line[0] != '\0' && !apr_isspace(auth_line[0])) {

1982fbecb99335961659b9961d47f2425bf142abgryzor key[vk++] = *auth_line++;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis key[vk] = '\0';

1982fbecb99335961659b9961d47f2425bf142abgryzor while (apr_isspace(auth_line[0])) {

1982fbecb99335961659b9961d47f2425bf142abgryzor auth_line++;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* find value */

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (auth_line[0] == '=') {

1982fbecb99335961659b9961d47f2425bf142abgryzor auth_line++;

1982fbecb99335961659b9961d47f2425bf142abgryzor while (apr_isspace(auth_line[0])) {

1982fbecb99335961659b9961d47f2425bf142abgryzor auth_line++;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor vv = 0;

1982fbecb99335961659b9961d47f2425bf142abgryzor if (auth_line[0] == '\"') { /* quoted string */

1982fbecb99335961659b9961d47f2425bf142abgryzor auth_line++;

1982fbecb99335961659b9961d47f2425bf142abgryzor while (auth_line[0] != '\"' && auth_line[0] != '\0') {

1982fbecb99335961659b9961d47f2425bf142abgryzor if (auth_line[0] == '\\' && auth_line[1] != '\0') {

1982fbecb99335961659b9961d47f2425bf142abgryzor auth_line++; /* escaped char */

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor value[vv++] = *auth_line++;

020366f830905b6b5dfccfa03373379ae6a13e7blgentis }

020366f830905b6b5dfccfa03373379ae6a13e7blgentis if (auth_line[0] != '\0') {

020366f830905b6b5dfccfa03373379ae6a13e7blgentis auth_line++;

576c49cd335618ad4b5351bd1c5f2cfd7584dba4lgentis }

020366f830905b6b5dfccfa03373379ae6a13e7blgentis }

020366f830905b6b5dfccfa03373379ae6a13e7blgentis else { /* token */

020366f830905b6b5dfccfa03373379ae6a13e7blgentis while (auth_line[0] != ',' && auth_line[0] != '\0'

020366f830905b6b5dfccfa03373379ae6a13e7blgentis && !apr_isspace(auth_line[0])) {

020366f830905b6b5dfccfa03373379ae6a13e7blgentis value[vv++] = *auth_line++;

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis }

020366f830905b6b5dfccfa03373379ae6a13e7blgentis }

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis value[vv] = '\0';

020366f830905b6b5dfccfa03373379ae6a13e7blgentis }

020366f830905b6b5dfccfa03373379ae6a13e7blgentis

020366f830905b6b5dfccfa03373379ae6a13e7blgentis while (auth_line[0] != ',' && auth_line[0] != '\0') {

1982fbecb99335961659b9961d47f2425bf142abgryzor auth_line++;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

576c49cd335618ad4b5351bd1c5f2cfd7584dba4lgentis if (auth_line[0] != '\0') {

1982fbecb99335961659b9961d47f2425bf142abgryzor auth_line++;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (!strcasecmp(key, "username"))

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->username = apr_pstrdup(r->pool, value);

1982fbecb99335961659b9961d47f2425bf142abgryzor else if (!strcasecmp(key, "realm"))

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->realm = apr_pstrdup(r->pool, value);

1982fbecb99335961659b9961d47f2425bf142abgryzor else if (!strcasecmp(key, "nonce"))

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->nonce = apr_pstrdup(r->pool, value);

1982fbecb99335961659b9961d47f2425bf142abgryzor else if (!strcasecmp(key, "uri"))

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->uri = apr_pstrdup(r->pool, value);

1982fbecb99335961659b9961d47f2425bf142abgryzor else if (!strcasecmp(key, "response"))

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->digest = apr_pstrdup(r->pool, value);

1982fbecb99335961659b9961d47f2425bf142abgryzor else if (!strcasecmp(key, "algorithm"))

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->algorithm = apr_pstrdup(r->pool, value);

1982fbecb99335961659b9961d47f2425bf142abgryzor else if (!strcasecmp(key, "cnonce"))

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->cnonce = apr_pstrdup(r->pool, value);

1982fbecb99335961659b9961d47f2425bf142abgryzor else if (!strcasecmp(key, "opaque"))

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->opaque = apr_pstrdup(r->pool, value);

1982fbecb99335961659b9961d47f2425bf142abgryzor else if (!strcasecmp(key, "qop"))

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->message_qop = apr_pstrdup(r->pool, value);

1982fbecb99335961659b9961d47f2425bf142abgryzor else if (!strcasecmp(key, "nc"))

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->nonce_count = apr_pstrdup(r->pool, value);

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (!resp->username || !resp->realm || !resp->nonce || !resp->uri

1982fbecb99335961659b9961d47f2425bf142abgryzor || !resp->digest

1982fbecb99335961659b9961d47f2425bf142abgryzor || (resp->message_qop && (!resp->cnonce || !resp->nonce_count))) {

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->auth_hdr_sts = INVALID;

576c49cd335618ad4b5351bd1c5f2cfd7584dba4lgentis return !OK;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (resp->opaque) {

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->opaque_num = (unsigned long) strtol(resp->opaque, NULL, 16);

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->auth_hdr_sts = VALID;

1982fbecb99335961659b9961d47f2425bf142abgryzor return OK;

1982fbecb99335961659b9961d47f2425bf142abgryzor}

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentisstatic int parse_hdr_and_update_nc(request_rec *r)

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis{

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis digest_header_rec *resp;

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis int res;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (!ap_is_initial_req(r)) {

1982fbecb99335961659b9961d47f2425bf142abgryzor return DECLINED;

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis }

1982fbecb99335961659b9961d47f2425bf142abgryzor

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis resp = apr_pcalloc(r->pool, sizeof(digest_header_rec));

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->raw_request_uri = r->unparsed_uri;

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->psd_request_uri = &r->parsed_uri;

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->needed_auth = 0;

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->method = r->method;

1982fbecb99335961659b9961d47f2425bf142abgryzor ap_set_module_config(r->request_config, &auth_digest_module, resp);

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor res = get_digest_rec(r, resp);

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->client = get_client(resp->opaque_num, r);

1982fbecb99335961659b9961d47f2425bf142abgryzor if (res == OK && resp->client) {

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->client->nonce_count++;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor return DECLINED;

1982fbecb99335961659b9961d47f2425bf142abgryzor}

1982fbecb99335961659b9961d47f2425bf142abgryzor

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic void gen_nonce_hash(char *hash, const char *timestr, const char *opaque,

1982fbecb99335961659b9961d47f2425bf142abgryzor const server_rec *server,

1982fbecb99335961659b9961d47f2425bf142abgryzor const digest_config_rec *conf)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1982fbecb99335961659b9961d47f2425bf142abgryzor unsigned char sha1[APR_SHA1_DIGESTSIZE];

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_sha1_ctx_t ctx;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor memcpy(&ctx, &conf->nonce_ctx, sizeof(ctx));

1982fbecb99335961659b9961d47f2425bf142abgryzor /*

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_sha1_update_binary(&ctx, (const unsigned char *) timestr, strlen(timestr));

1982fbecb99335961659b9961d47f2425bf142abgryzor if (opaque) {

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_sha1_update_binary(&ctx, (const unsigned char *) opaque,

1982fbecb99335961659b9961d47f2425bf142abgryzor strlen(opaque));

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor apr_sha1_final(sha1, &ctx);

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor ap_bin2hex(sha1, APR_SHA1_DIGESTSIZE, hash);

1982fbecb99335961659b9961d47f2425bf142abgryzor}

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic const char *gen_nonce(apr_pool_t *p, apr_time_t now, const char *opaque,

1982fbecb99335961659b9961d47f2425bf142abgryzor const server_rec *server,

1982fbecb99335961659b9961d47f2425bf142abgryzor const digest_config_rec *conf)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1982fbecb99335961659b9961d47f2425bf142abgryzor char *nonce = apr_palloc(p, NONCE_LEN+1);

1982fbecb99335961659b9961d47f2425bf142abgryzor time_rec t;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (conf->nonce_lifetime != 0) {

1982fbecb99335961659b9961d47f2425bf142abgryzor t.time = now;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor else if (otn_counter) {

1982fbecb99335961659b9961d47f2425bf142abgryzor /* this counter is not synch'd, because it doesn't really matter

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis t.time = (*otn_counter)++;

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis }

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis else {

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis /* XXX: WHAT IS THIS CONSTANT? */

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis t.time = 42;

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis }

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis apr_base64_encode_binary(nonce, t.arr, sizeof(t.arr));

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis gen_nonce_hash(nonce+NONCE_TIME_LEN, nonce, opaque, server, conf);

fb25b82560b7fcaffa006cb4738d86acc561b6f4lgentis

1982fbecb99335961659b9961d47f2425bf142abgryzor return nonce;

1982fbecb99335961659b9961d47f2425bf142abgryzor}

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic client_entry *gen_client(const request_rec *r)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1982fbecb99335961659b9961d47f2425bf142abgryzor unsigned long op;

1982fbecb99335961659b9961d47f2425bf142abgryzor client_entry new_entry = { 0, NULL, 0, "" }, *entry;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (!opaque_cntr) {

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis return NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis

2f44538c88c5310bebb17a39b171487315a45624lgentis apr_global_mutex_lock(opaque_lock);

2f44538c88c5310bebb17a39b171487315a45624lgentis op = (*opaque_cntr)++;

020366f830905b6b5dfccfa03373379ae6a13e7blgentis apr_global_mutex_unlock(opaque_lock);

020366f830905b6b5dfccfa03373379ae6a13e7blgentis

020366f830905b6b5dfccfa03373379ae6a13e7blgentis if (!(entry = add_client(op, &new_entry, r->server))) {

020366f830905b6b5dfccfa03373379ae6a13e7blgentis ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(01769)

020366f830905b6b5dfccfa03373379ae6a13e7blgentis "failed to allocate client entry - ignoring client");

72a5bd633c0fa12e2bf77189ef9ed443ffb0cd66lgentis return NULL;

020366f830905b6b5dfccfa03373379ae6a13e7blgentis }

020366f830905b6b5dfccfa03373379ae6a13e7blgentis

020366f830905b6b5dfccfa03373379ae6a13e7blgentis return entry;

020366f830905b6b5dfccfa03373379ae6a13e7blgentis}

020366f830905b6b5dfccfa03373379ae6a13e7blgentis

020366f830905b6b5dfccfa03373379ae6a13e7blgentis

020366f830905b6b5dfccfa03373379ae6a13e7blgentis

020366f830905b6b5dfccfa03373379ae6a13e7blgentisstatic const char *ltox(apr_pool_t *p, unsigned long num)

020366f830905b6b5dfccfa03373379ae6a13e7blgentis{

020366f830905b6b5dfccfa03373379ae6a13e7blgentis if (num != 0) {

020366f830905b6b5dfccfa03373379ae6a13e7blgentis return apr_psprintf(p, "%lx", num);

020366f830905b6b5dfccfa03373379ae6a13e7blgentis }

020366f830905b6b5dfccfa03373379ae6a13e7blgentis else {

020366f830905b6b5dfccfa03373379ae6a13e7blgentis return "";

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor}

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzorstatic void note_digest_auth_failure(request_rec *r,

1982fbecb99335961659b9961d47f2425bf142abgryzor const digest_config_rec *conf,

1982fbecb99335961659b9961d47f2425bf142abgryzor digest_header_rec *resp, int stale)

1982fbecb99335961659b9961d47f2425bf142abgryzor{

1982fbecb99335961659b9961d47f2425bf142abgryzor const char *qop, *opaque, *opaque_param, *domain, *nonce;

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* Setup qop */

1982fbecb99335961659b9961d47f2425bf142abgryzor if (apr_is_empty_array(conf->qop_list)) {

1982fbecb99335961659b9961d47f2425bf142abgryzor qop = ", qop=\"auth\"";

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor else if (!strcasecmp(*(const char **)(conf->qop_list->elts), "none")) {

1982fbecb99335961659b9961d47f2425bf142abgryzor qop = "";

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor else {

1982fbecb99335961659b9961d47f2425bf142abgryzor qop = apr_pstrcat(r->pool, ", qop=\"",

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis apr_array_pstrcat(r->pool, conf->qop_list, ','),

1982fbecb99335961659b9961d47f2425bf142abgryzor "\"",

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis NULL);

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* Setup opaque */

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor if (resp->opaque == NULL) {

1982fbecb99335961659b9961d47f2425bf142abgryzor /* new client */

1982fbecb99335961659b9961d47f2425bf142abgryzor if ((conf->check_nc || conf->nonce_lifetime == 0)

1982fbecb99335961659b9961d47f2425bf142abgryzor && (resp->client = gen_client(r)) != NULL) {

1982fbecb99335961659b9961d47f2425bf142abgryzor opaque = ltox(r->pool, resp->client->key);

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor else {

1982fbecb99335961659b9961d47f2425bf142abgryzor opaque = ""; /* opaque not needed */

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor else if (resp->client == NULL) {

1982fbecb99335961659b9961d47f2425bf142abgryzor /* client info was gc'd */

1982fbecb99335961659b9961d47f2425bf142abgryzor resp->client = gen_client(r);

1982fbecb99335961659b9961d47f2425bf142abgryzor if (resp->client != NULL) {

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis opaque = ltox(r->pool, resp->client->key);

1ef910e5e65cfbfc2455c230d8ddd6453a31a427lgentis stale = 1;

1982fbecb99335961659b9961d47f2425bf142abgryzor client_list->num_renewed++;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor else {

1982fbecb99335961659b9961d47f2425bf142abgryzor opaque = ""; /* ??? */

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis }

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis }

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis else {

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis opaque = resp->opaque;

1982fbecb99335961659b9961d47f2425bf142abgryzor /* we're generating a new nonce, so reset the nonce-count */

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis resp->client->nonce_count = 0;

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis }

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis

06e80fa0dffc17ae61bca1715c96e08ea90d53cblgentis if (opaque[0]) {

1982fbecb99335961659b9961d47f2425bf142abgryzor opaque_param = apr_pstrcat(r->pool, ", opaque=\"", opaque, "\"", NULL);

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor else {

1982fbecb99335961659b9961d47f2425bf142abgryzor opaque_param = NULL;

1982fbecb99335961659b9961d47f2425bf142abgryzor }

1982fbecb99335961659b9961d47f2425bf142abgryzor

1982fbecb99335961659b9961d47f2425bf142abgryzor /* Setup nonce */

1982fbecb99335961659b9961d47f2425bf142abgryzor

nonce = gen_nonce(r->pool, r->request_time, opaque, r->server, conf);

if (resp->client && conf->nonce_lifetime == 0) {

memcpy(resp->client->last_nonce, nonce, NONCE_LEN+1);

}

/* setup domain attribute. We want to send this attribute wherever

/* don't send domain

if (r->proxyreq || !conf->uri_list) {

domain = NULL;

}

else {

domain = conf->uri_list;

}

apr_table_mergen(r->err_headers_out,

(PROXYREQ_PROXY == r->proxyreq)

? "Proxy-Authenticate" : "WWW-Authenticate",

apr_psprintf(r->pool, "Digest realm=\"%s\", "

"nonce=\"%s\", algorithm=%s%s%s%s%s",

ap_auth_name(r), nonce, conf->algorithm,

opaque_param ? opaque_param : "",

domain ? domain : "",

stale ? ", stale=true" : "", qop));

}

static int hook_note_digest_auth_failure(request_rec *r, const char *auth_type)

{

request_rec *mainreq;

digest_header_rec *resp;

digest_config_rec *conf;

if (strcasecmp(auth_type, "Digest"))

return DECLINED;

/* get the client response and mark */

mainreq = r;

while (mainreq->main != NULL) {

mainreq = mainreq->main;

}

while (mainreq->prev != NULL) {

mainreq = mainreq->prev;

}

resp = (digest_header_rec *) ap_get_module_config(mainreq->request_config,

&auth_digest_module);

resp->needed_auth = 1;

/* get our conf */

conf = (digest_config_rec *) ap_get_module_config(r->per_dir_config,

&auth_digest_module);

note_digest_auth_failure(r, conf, resp, 0);

return OK;

}

static authn_status get_hash(request_rec *r, const char *user,

digest_config_rec *conf)

{

authn_status auth_result;

char *password;

authn_provider_list *current_provider;

current_provider = conf->providers;

do {

const authn_provider *provider;

/* For now, if a provider isn't set, we'll be nice and use the file

if (!current_provider) {

provider = ap_lookup_provider(AUTHN_PROVIDER_GROUP,

AUTHN_DEFAULT_PROVIDER,

AUTHN_PROVIDER_VERSION);

if (!provider || !provider->get_realm_hash) {

ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(01770)

"No Authn provider configured");

auth_result = AUTH_GENERAL_ERROR;

break;

}

apr_table_setn(r->notes, AUTHN_PROVIDER_NAME_NOTE, AUTHN_DEFAULT_PROVIDER);

}

else {

provider = current_provider->provider;

apr_table_setn(r->notes, AUTHN_PROVIDER_NAME_NOTE, current_provider->provider_name);

}

/* We expect the password to be md5 hash of user:realm:password */

auth_result = provider->get_realm_hash(r, user, conf->realm,

&password);

apr_table_unset(r->notes, AUTHN_PROVIDER_NAME_NOTE);

/* Something occured. Stop checking. */

if (auth_result != AUTH_USER_NOT_FOUND) {

break;

}

/* If we're not really configured for providers, stop now. */

if (!conf->providers) {

break;

}

current_provider = current_provider->next;

} while (current_provider);

if (auth_result == AUTH_USER_FOUND) {

conf->ha1 = password;

}

return auth_result;

}

static int check_nc(const request_rec *r, const digest_header_rec *resp,

const digest_config_rec *conf)

{

unsigned long nc;

const char *snc = resp->nonce_count;

char *endptr;

if (conf->check_nc && !client_shm) {

/* Shouldn't happen, but just in case... */

ap_log_rerror(APLOG_MARK, APLOG_WARNING, 0, r, APLOGNO(01771)

"cannot check nonce count without shared memory");

return OK;

}

if (!conf->check_nc || !client_shm) {

return OK;

}

if (!apr_is_empty_array(conf->qop_list) &&

!strcasecmp(*(const char **)(conf->qop_list->elts), "none")) {

/* qop is none, client must not send a nonce count */

if (snc != NULL) {

ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(01772)

"invalid nc %s received - no nonce count allowed when qop=none",

snc);