void rbtree_walk(rbtree_node node,void (*visit)(rbtree_node node)){
if(node==NULL)
return;
if(node->left!=NULL)
rbtree_walk(node->left,visit);
visit(node);
if(node->right!=NULL)
rbtree_walk(node->right,visit);
}
int fr_packet_list_walk(fr_packet_list_t *pl, void *ctx,
fr_hash_table_walk_t callback)
{
if (!pl || !callback) return 0;
return rbtree_walk(pl->tree, InOrder, callback, ctx);
}
static int cmd_socket_list(FILE *fp, UNUSED FILE *fp_err, void *ctx, UNUSED fr_cmd_info_t const *info)
{
fr_network_t const *nr = ctx;
// @todo - note that this isn't thread-safe!
(void) rbtree_walk(nr->sockets, RBTREE_IN_ORDER, socket_list, fp);
return 0;
}
static int module_name_tab_expand(UNUSED TALLOC_CTX *talloc_ctx, UNUSED void *uctx, fr_cmd_info_t *info, int max_expansions, char const **expansions)
{
module_tab_expand_t mt;
if (info->argc <= 0) return 0;
mt.text = info->argv[info->argc - 1];
mt.count = 0;
mt.max_expansions = max_expansions;
mt.expansions = expansions;
(void) rbtree_walk(module_instance_name_tree, RBTREE_IN_ORDER, _module_tab_expand, &mt);
return mt.count;
}
static ngx_int_t spooler_channel_status_changed(channel_spooler_t *self) {
rbtree_walk_callback_pt callback = NULL;
switch(*self->channel_status) {
case READY:
callback = (rbtree_walk_callback_pt )its_time_for_a_spooling;
break;
default:
//do nothing
break;
};
if(callback) {
rbtree_walk(&self->spoolseed, callback, NULL);
}
return NGX_OK;
}
ngx_int_t rbtree_walk_writesafe(rbtree_seed_t *seed, int (*include)(void *), rbtree_walk_callback_pt callback, void *data) {
void *els_static[32];
int allocd;
int i;
rbtree_walk_writesafe_data_t d;
if(seed->active_nodes > 32) {
d.els = ngx_alloc(sizeof(void *) * seed->active_nodes, ngx_cycle->log);
allocd = 1;
}
else {
d.els = els_static;
allocd = 0;
}
d.include = include;
d.n = 0;
rbtree_walk(seed, (rbtree_walk_callback_pt )rbtree_walk_writesafe_callback, &d);
for(i=0; i<d.n; i++) {
callback(seed, d.els[i], data);
}
if(allocd) ngx_free(d.els);
return NGX_OK;
}
int main(int argc, char **argv)
{
int c;
char const *radius_dir = RADDBDIR;
char const *dict_dir = DICTDIR;
char filesecret[256];
FILE *fp;
int do_summary = false;
int persec = 0;
int parallel = 1;
rc_request_t *this;
int force_af = AF_UNSPEC;
/*
* It's easier having two sets of flags to set the
* verbosity of library calls and the verbosity of
* radclient.
*/
fr_debug_lvl = 0;
fr_log_fp = stdout;
#ifndef NDEBUG
if (fr_fault_setup(getenv("PANIC_ACTION"), argv[0]) < 0) {
fr_perror("radclient");
exit(EXIT_FAILURE);
}
#endif
talloc_set_log_stderr();
filename_tree = rbtree_create(NULL, filename_cmp, NULL, 0);
if (!filename_tree) {
oom:
ERROR("Out of memory");
exit(1);
}
while ((c = getopt(argc, argv, "46c:d:D:f:Fhi:n:p:qr:sS:t:vx"
#ifdef WITH_TCP
"P:"
#endif
)) != EOF) switch (c) {
case '4':
force_af = AF_INET;
break;
case '6':
force_af = AF_INET6;
break;
case 'c':
if (!isdigit((int) *optarg))
usage();
resend_count = atoi(optarg);
break;
case 'D':
dict_dir = optarg;
break;
case 'd':
radius_dir = optarg;
break;
case 'f':
{
char const *p;
rc_file_pair_t *files;
files = talloc(talloc_autofree_context(), rc_file_pair_t);
if (!files) goto oom;
p = strchr(optarg, ':');
if (p) {
files->packets = talloc_strndup(files, optarg, p - optarg);
if (!files->packets) goto oom;
files->filters = p + 1;
} else {
files->packets = optarg;
files->filters = NULL;
}
rbtree_insert(filename_tree, (void *) files);
}
break;
case 'F':
print_filename = true;
break;
case 'i': /* currently broken */
if (!isdigit((int) *optarg))
usage();
last_used_id = atoi(optarg);
if ((last_used_id < 0) || (last_used_id > 255)) {
usage();
}
break;
case 'n':
persec = atoi(optarg);
if (persec <= 0) usage();
break;
/*
* Note that sending MANY requests in
* parallel can over-run the kernel
* queues, and Linux will happily discard
* packets. So even if the server responds,
* the client may not see the reply.
*/
case 'p':
parallel = atoi(optarg);
if (parallel <= 0) usage();
break;
#ifdef WITH_TCP
case 'P':
proto = optarg;
if (strcmp(proto, "tcp") != 0) {
if (strcmp(proto, "udp") == 0) {
proto = NULL;
} else {
usage();
}
} else {
ipproto = IPPROTO_TCP;
}
break;
#endif
case 'q':
do_output = false;
fr_log_fp = NULL; /* no output from you, either! */
break;
case 'r':
if (!isdigit((int) *optarg)) usage();
retries = atoi(optarg);
if ((retries == 0) || (retries > 1000)) usage();
break;
case 's':
do_summary = true;
break;
case 'S':
{
char *p;
fp = fopen(optarg, "r");
if (!fp) {
ERROR("Error opening %s: %s", optarg, fr_syserror(errno));
exit(1);
}
if (fgets(filesecret, sizeof(filesecret), fp) == NULL) {
ERROR("Error reading %s: %s", optarg, fr_syserror(errno));
exit(1);
}
fclose(fp);
/* truncate newline */
p = filesecret + strlen(filesecret) - 1;
while ((p >= filesecret) &&
(*p < ' ')) {
*p = '\0';
--p;
}
if (strlen(filesecret) < 2) {
ERROR("Secret in %s is too short", optarg);
exit(1);
}
secret = filesecret;
}
break;
case 't':
if (!isdigit((int) *optarg))
usage();
timeout = atof(optarg);
break;
case 'v':
fr_debug_lvl = 1;
DEBUG("%s", radclient_version);
exit(0);
case 'x':
fr_debug_lvl++;
break;
case 'h':
default:
usage();
}
argc -= (optind - 1);
argv += (optind - 1);
if ((argc < 3) || ((secret == NULL) && (argc < 4))) {
ERROR("Insufficient arguments");
usage();
}
/*
* Mismatch between the binary and the libraries it depends on
*/
if (fr_check_lib_magic(RADIUSD_MAGIC_NUMBER) < 0) {
fr_perror("radclient");
return 1;
}
if (dict_init(dict_dir, RADIUS_DICTIONARY) < 0) {
fr_perror("radclient");
return 1;
}
if (dict_read(radius_dir, RADIUS_DICTIONARY) == -1) {
fr_perror("radclient");
return 1;
}
fr_strerror(); /* Clear the error buffer */
/*
* Get the request type
*/
if (!isdigit((int) argv[2][0])) {
packet_code = fr_str2int(request_types, argv[2], -2);
if (packet_code == -2) {
ERROR("Unrecognised request type \"%s\"", argv[2]);
usage();
}
} else {
packet_code = atoi(argv[2]);
}
/*
* Resolve hostname.
*/
if (strcmp(argv[1], "-") != 0) {
if (fr_pton_port(&server_ipaddr, &server_port, argv[1], -1, force_af, true) < 0) {
ERROR("%s", fr_strerror());
exit(1);
}
/*
* Work backwards from the port to determine the packet type
*/
if (packet_code == PW_CODE_UNDEFINED) packet_code = radclient_get_code(server_port);
}
radclient_get_port(packet_code, &server_port);
/*
* Add the secret.
*/
if (argv[3]) secret = argv[3];
/*
* If no '-f' is specified, we're reading from stdin.
*/
if (rbtree_num_elements(filename_tree) == 0) {
rc_file_pair_t *files;
files = talloc_zero(talloc_autofree_context(), rc_file_pair_t);
files->packets = "-";
if (!radclient_init(files, files)) {
exit(1);
}
}
/*
* Walk over the list of filenames, creating the requests.
*/
if (rbtree_walk(filename_tree, RBTREE_IN_ORDER, filename_walk, NULL) != 0) {
ERROR("Failed parsing input files");
exit(1);
}
/*
* No packets read. Die.
*/
if (!request_head) {
ERROR("Nothing to send");
exit(1);
}
/*
* Bind to the first specified IP address and port.
* This means we ignore later ones.
*/
if (request_head->packet->src_ipaddr.af == AF_UNSPEC) {
memset(&client_ipaddr, 0, sizeof(client_ipaddr));
client_ipaddr.af = server_ipaddr.af;
} else {
client_ipaddr = request_head->packet->src_ipaddr;
}
client_port = request_head->packet->src_port;
#ifdef WITH_TCP
if (proto) {
sockfd = fr_socket_client_tcp(NULL, &server_ipaddr, server_port, false);
} else
#endif
sockfd = fr_socket(&client_ipaddr, client_port);
if (sockfd < 0) {
ERROR("Error opening socket");
exit(1);
}
pl = fr_packet_list_create(1);
if (!pl) {
ERROR("Out of memory");
exit(1);
}
if (!fr_packet_list_socket_add(pl, sockfd, ipproto, &server_ipaddr,
server_port, NULL)) {
ERROR("Out of memory");
exit(1);
}
/*
* Walk over the list of packets, sanity checking
* everything.
*/
for (this = request_head; this != NULL; this = this->next) {
this->packet->src_ipaddr = client_ipaddr;
this->packet->src_port = client_port;
if (radclient_sane(this) != 0) {
exit(1);
}
}
/*
* Walk over the packets to send, until
* we're all done.
*
* FIXME: This currently busy-loops until it receives
* all of the packets. It should really have some sort of
* send packet, get time to wait, select for time, etc.
* loop.
*/
do {
int n = parallel;
rc_request_t *next;
char const *filename = NULL;
done = true;
sleep_time = -1;
/*
* Walk over the packets, sending them.
*/
for (this = request_head; this != NULL; this = next) {
next = this->next;
/*
* If there's a packet to receive,
* receive it, but don't wait for a
* packet.
*/
recv_one_packet(0);
/*
* This packet is done. Delete it.
*/
if (this->done) {
talloc_free(this);
continue;
}
/*
* Packets from multiple '-f' are sent
* in parallel.
*
* Packets from one file are sent in
* series, unless '-p' is specified, in
* which case N packets from each file
* are sent in parallel.
*/
if (this->files->packets != filename) {
filename = this->files->packets;
n = parallel;
}
if (n > 0) {
n--;
/*
* Send the current packet.
*/
if (send_one_packet(this) < 0) {
talloc_free(this);
break;
}
/*
* Wait a little before sending
* the next packet, if told to.
*/
if (persec) {
struct timeval tv;
/*
* Don't sleep elsewhere.
*/
sleep_time = 0;
if (persec == 1) {
tv.tv_sec = 1;
tv.tv_usec = 0;
} else {
tv.tv_sec = 0;
tv.tv_usec = 1000000/persec;
}
/*
* Sleep for milliseconds,
* portably.
*
* If we get an error or
* a signal, treat it like
* a normal timeout.
*/
select(0, NULL, NULL, NULL, &tv);
}
/*
* If we haven't sent this packet
* often enough, we're not done,
* and we shouldn't sleep.
*/
if (this->resend < resend_count) {
done = false;
sleep_time = 0;
}
} else { /* haven't sent this packet, we're not done */
assert(this->done == false);
assert(this->reply == NULL);
done = false;
}
}
/*
* Still have outstanding requests.
*/
if (fr_packet_list_num_elements(pl) > 0) {
done = false;
} else {
sleep_time = 0;
}
/*
* Nothing to do until we receive a request, so
* sleep until then. Once we receive one packet,
* we go back, and walk through the whole list again,
* sending more packets (if necessary), and updating
* the sleep time.
*/
if (!done && (sleep_time > 0)) {
recv_one_packet(sleep_time);
}
} while (!done);
rbtree_free(filename_tree);
fr_packet_list_free(pl);
while (request_head) TALLOC_FREE(request_head);
dict_free();
if (do_summary) {
DEBUG("Packet summary:\n"
"\tAccepted : %" PRIu64 "\n"
"\tRejected : %" PRIu64 "\n"
"\tLost : %" PRIu64 "\n"
"\tPassed filter : %" PRIu64 "\n"
"\tFailed filter : %" PRIu64,
stats.accepted,
stats.rejected,
stats.lost,
stats.passed,
stats.failed
);
}
if ((stats.lost > 0) || (stats.failed > 0)) {
exit(1);
}
exit(0);
}
int main(int argc, char **argv)
{
char *p;
int c;
const char *radius_dir = RADDBDIR;
char filesecret[256];
FILE *fp;
int do_summary = 0;
int persec = 0;
int parallel = 1;
radclient_t *this;
int force_af = AF_UNSPEC;
fr_debug_flag = 0;
filename_tree = rbtree_create(filename_cmp, NULL, 0);
if (!filename_tree) {
fprintf(stderr, "radclient: Out of memory\n");
exit(1);
}
while ((c = getopt(argc, argv, "46c:d:f:Fhi:n:p:qr:sS:t:vx"
#ifdef WITH_TCP
"P:"
#endif
)) != EOF) switch(c) {
case '4':
force_af = AF_INET;
break;
case '6':
force_af = AF_INET6;
break;
case 'c':
if (!isdigit((int) *optarg))
usage();
resend_count = atoi(optarg);
break;
case 'd':
radius_dir = optarg;
break;
case 'f':
rbtree_insert(filename_tree, optarg);
break;
case 'F':
print_filename = 1;
break;
case 'i': /* currently broken */
if (!isdigit((int) *optarg))
usage();
last_used_id = atoi(optarg);
if ((last_used_id < 0) || (last_used_id > 255)) {
usage();
}
break;
case 'n':
persec = atoi(optarg);
if (persec <= 0) usage();
break;
/*
* Note that sending MANY requests in
* parallel can over-run the kernel
* queues, and Linux will happily discard
* packets. So even if the server responds,
* the client may not see the response.
*/
case 'p':
parallel = atoi(optarg);
if (parallel <= 0) usage();
break;
#ifdef WITH_TCP
case 'P':
proto = optarg;
if (strcmp(proto, "tcp") != 0) {
if (strcmp(proto, "udp") == 0) {
proto = NULL;
} else {
usage();
}
} else {
ipproto = IPPROTO_TCP;
}
break;
#endif
case 'q':
do_output = 0;
fr_log_fp = NULL; /* no output from you, either! */
break;
case 'r':
if (!isdigit((int) *optarg))
usage();
retries = atoi(optarg);
if ((retries == 0) || (retries > 1000)) usage();
break;
case 's':
do_summary = 1;
break;
case 'S':
fp = fopen(optarg, "r");
if (!fp) {
fprintf(stderr, "radclient: Error opening %s: %s\n",
optarg, strerror(errno));
exit(1);
}
if (fgets(filesecret, sizeof(filesecret), fp) == NULL) {
fprintf(stderr, "radclient: Error reading %s: %s\n",
optarg, strerror(errno));
exit(1);
}
fclose(fp);
/* truncate newline */
p = filesecret + strlen(filesecret) - 1;
while ((p >= filesecret) &&
(*p < ' ')) {
*p = '\0';
--p;
}
if (strlen(filesecret) < 2) {
fprintf(stderr, "radclient: Secret in %s is too short\n", optarg);
exit(1);
}
secret = filesecret;
break;
case 't':
if (!isdigit((int) *optarg))
usage();
timeout = atof(optarg);
break;
case 'v':
printf("%s", radclient_version);
exit(0);
break;
case 'x':
fr_debug_flag++;
fr_log_fp = stdout;
break;
case 'h':
default:
usage();
break;
}
argc -= (optind - 1);
argv += (optind - 1);
if ((argc < 3) ||
((secret == NULL) && (argc < 4))) {
usage();
}
if (dict_init(radius_dir, RADIUS_DICTIONARY) < 0) {
fr_perror("radclient");
return 1;
}
/*
* Resolve hostname.
*/
if (force_af == AF_UNSPEC) force_af = AF_INET;
server_ipaddr.af = force_af;
if (strcmp(argv[1], "-") != 0) {
const char *hostname = argv[1];
const char *portname = argv[1];
char buffer[256];
if (*argv[1] == '[') { /* IPv6 URL encoded */
p = strchr(argv[1], ']');
if ((size_t) (p - argv[1]) >= sizeof(buffer)) {
usage();
}
memcpy(buffer, argv[1] + 1, p - argv[1] - 1);
buffer[p - argv[1] - 1] = '\0';
hostname = buffer;
portname = p + 1;
}
p = strchr(portname, ':');
if (p && (strchr(p + 1, ':') == NULL)) {
*p = '\0';
portname = p + 1;
} else {
portname = NULL;
}
if (ip_hton(hostname, force_af, &server_ipaddr) < 0) {
fprintf(stderr, "radclient: Failed to find IP address for host %s: %s\n", hostname, strerror(errno));
exit(1);
}
/*
* Strip port from hostname if needed.
*/
if (portname) server_port = atoi(portname);
}
/*
* See what kind of request we want to send.
*/
if (strcmp(argv[2], "auth") == 0) {
if (server_port == 0) server_port = getport("radius");
if (server_port == 0) server_port = PW_AUTH_UDP_PORT;
packet_code = PW_AUTHENTICATION_REQUEST;
} else if (strcmp(argv[2], "challenge") == 0) {
if (server_port == 0) server_port = getport("radius");
if (server_port == 0) server_port = PW_AUTH_UDP_PORT;
packet_code = PW_ACCESS_CHALLENGE;
} else if (strcmp(argv[2], "acct") == 0) {
if (server_port == 0) server_port = getport("radacct");
if (server_port == 0) server_port = PW_ACCT_UDP_PORT;
packet_code = PW_ACCOUNTING_REQUEST;
do_summary = 0;
} else if (strcmp(argv[2], "status") == 0) {
if (server_port == 0) server_port = getport("radius");
if (server_port == 0) server_port = PW_AUTH_UDP_PORT;
packet_code = PW_STATUS_SERVER;
} else if (strcmp(argv[2], "disconnect") == 0) {
if (server_port == 0) server_port = PW_COA_UDP_PORT;
packet_code = PW_DISCONNECT_REQUEST;
} else if (strcmp(argv[2], "coa") == 0) {
if (server_port == 0) server_port = PW_COA_UDP_PORT;
packet_code = PW_COA_REQUEST;
} else if (strcmp(argv[2], "auto") == 0) {
packet_code = -1;
} else if (isdigit((int) argv[2][0])) {
if (server_port == 0) server_port = getport("radius");
if (server_port == 0) server_port = PW_AUTH_UDP_PORT;
packet_code = atoi(argv[2]);
} else {
usage();
}
/*
* Add the secret.
*/
if (argv[3]) secret = argv[3];
/*
* If no '-f' is specified, we're reading from stdin.
*/
if (rbtree_num_elements(filename_tree) == 0) {
if (!radclient_init("-")) exit(1);
}
/*
* Walk over the list of filenames, creating the requests.
*/
if (rbtree_walk(filename_tree, InOrder, filename_walk, NULL) != 0) {
exit(1);
}
/*
* No packets read. Die.
*/
if (!radclient_head) {
fprintf(stderr, "radclient: Nothing to send.\n");
exit(1);
}
/*
* Bind to the first specified IP address and port.
* This means we ignore later ones.
*/
if (radclient_head->request->src_ipaddr.af == AF_UNSPEC) {
memset(&client_ipaddr, 0, sizeof(client_ipaddr));
client_ipaddr.af = server_ipaddr.af;
client_port = 0;
} else {
client_ipaddr = radclient_head->request->src_ipaddr;
client_port = radclient_head->request->src_port;
}
#ifdef WITH_TCP
if (proto) {
sockfd = fr_tcp_client_socket(NULL, &server_ipaddr, server_port);
} else
#endif
sockfd = fr_socket(&client_ipaddr, client_port);
if (sockfd < 0) {
fprintf(stderr, "radclient: socket: %s\n", fr_strerror());
exit(1);
}
pl = fr_packet_list_create(1);
if (!pl) {
fprintf(stderr, "radclient: Out of memory\n");
exit(1);
}
if (!fr_packet_list_socket_add(pl, sockfd, ipproto, &server_ipaddr,
server_port, NULL)) {
fprintf(stderr, "radclient: Out of memory\n");
exit(1);
}
/*
* Walk over the list of packets, sanity checking
* everything.
*/
for (this = radclient_head; this != NULL; this = this->next) {
this->request->src_ipaddr = client_ipaddr;
this->request->src_port = client_port;
if (radclient_sane(this) != 0) {
exit(1);
}
}
/*
* Walk over the packets to send, until
* we're all done.
*
* FIXME: This currently busy-loops until it receives
* all of the packets. It should really have some sort of
* send packet, get time to wait, select for time, etc.
* loop.
*/
do {
int n = parallel;
radclient_t *next;
const char *filename = NULL;
done = 1;
sleep_time = -1;
/*
* Walk over the packets, sending them.
*/
for (this = radclient_head; this != NULL; this = next) {
next = this->next;
/*
* If there's a packet to receive,
* receive it, but don't wait for a
* packet.
*/
recv_one_packet(0);
/*
* This packet is done. Delete it.
*/
if (this->done) {
radclient_free(this);
continue;
}
/*
* Packets from multiple '-f' are sent
* in parallel.
*
* Packets from one file are sent in
* series, unless '-p' is specified, in
* which case N packets from each file
* are sent in parallel.
*/
if (this->filename != filename) {
filename = this->filename;
n = parallel;
}
if (n > 0) {
n--;
/*
* Send the current packet.
*/
send_one_packet(this);
/*
* Wait a little before sending
* the next packet, if told to.
*/
if (persec) {
struct timeval tv;
/*
* Don't sleep elsewhere.
*/
sleep_time = 0;
if (persec == 1) {
tv.tv_sec = 1;
tv.tv_usec = 0;
} else {
tv.tv_sec = 0;
tv.tv_usec = 1000000/persec;
}
/*
* Sleep for milliseconds,
* portably.
*
* If we get an error or
* a signal, treat it like
* a normal timeout.
*/
select(0, NULL, NULL, NULL, &tv);
}
/*
* If we haven't sent this packet
* often enough, we're not done,
* and we shouldn't sleep.
*/
if (this->resend < resend_count) {
done = 0;
sleep_time = 0;
}
} else { /* haven't sent this packet, we're not done */
assert(this->done == 0);
assert(this->reply == NULL);
done = 0;
}
}
/*
* Still have outstanding requests.
*/
if (fr_packet_list_num_elements(pl) > 0) {
done = 0;
} else {
sleep_time = 0;
}
/*
* Nothing to do until we receive a request, so
* sleep until then. Once we receive one packet,
* we go back, and walk through the whole list again,
* sending more packets (if necessary), and updating
* the sleep time.
*/
if (!done && (sleep_time > 0)) {
recv_one_packet(sleep_time);
}
} while (!done);
rbtree_free(filename_tree);
fr_packet_list_free(pl);
while (radclient_head) radclient_free(radclient_head);
dict_free();
if (do_summary) {
printf("\n\t Total approved auths: %d\n", totalapp);
printf("\t Total denied auths: %d\n", totaldeny);
printf("\t Total lost auths: %d\n", totallost);
}
if (success) return 0;
return 1;
}
static int cmd_show_module_list(FILE *fp, UNUSED FILE *fp_err, UNUSED void *uctx, UNUSED fr_cmd_info_t const *info)
{
(void) rbtree_walk(module_instance_name_tree, RBTREE_IN_ORDER, _module_list, fp);
return 0;
}
int main(UNUSED int argc, UNUSED char *argv[])
{
rbtree_t *t;
int i, j, thresh;
int n, nextseed, rep;
int vals[MAXSIZE];
struct timeval now;
gettimeofday(&now, NULL);
/* TODO: make starting seed and repetitions a CLI option */
nextseed = now.tv_usec;
rep = REPS;
again:
if (!--rep) return 0;
srand(nextseed);
thresh = rand();
mask = 0xff >> (rand() & 7);
thresh &= mask;
n = (rand() % MAXSIZE) + 1;
while (n < 0 || n > MAXSIZE) n >>= 1;
fprintf(stderr, "seed = %i filter = %x mask = %x n= %i\n",
nextseed, thresh, mask, n);
nextseed = rand();
t = rbtree_create(NULL, comp, free, RBTREE_FLAG_LOCK);
/* Find out the value of the NIL node */
NIL = t->root->left;
for (i = 0; i < n; i++) {
int *p;
p = malloc(sizeof(int));
*p = rand();
vals[i] = *p;
rbtree_insert(t, p);
}
i = rbcount(t);
fprintf(stderr,"After insert rbcount is %i.\n", i);
if (i < 0) { return i; }
qsort(vals, n, sizeof(int), comp);
/*
* For testing deletebydata instead
for (i = 0; i < n; i++) {
if (filter_cb(&vals[i], &thresh) == 2) {
rbtree_deletebydata(t, &vals[i]);
}
}
*
*/
rbtree_walk(t, RBTREE_DELETE_ORDER, filter_cb, &thresh);
i = rbcount(t);
fprintf(stderr,"After delete rbcount is %i.\n", i);
if (i < 0) { return i; }
r = 0;
rbtree_walk(t, RBTREE_IN_ORDER, &store_cb, NULL);
for (j = i = 0; i < n; i++) {
if (i && vals[i-1] == vals[i]) continue;
if (!filter_cb(&thresh, &vals[i])) {
if (vals[i] != rvals[j]) goto bad;
j++;
}
}
fprintf(stderr,"matched OK\n");
rbtree_free(t);
goto again;
bad:
for (j = i = 0; i < n; i++) {
if (i && vals[i-1] == vals[i]) continue;
if (!filter_cb(&thresh, &vals[i])) {
fprintf(stderr, "%i: %x %x\n", j, vals[i], rvals[j]);
j++;
} else {
fprintf(stderr, "skipped %x\n", vals[i]);
}
}
return -1;
}
static ngx_int_t spooler_prepare_to_stop(channel_spooler_t *spl) {
rbtree_walk(&spl->spoolseed, (rbtree_walk_callback_pt )spooler_spool_dequeue_all, (void *)spl);
spl->want_to_stop = 1;
return NGX_OK;
}
static ngx_int_t spooler_respond_generic(channel_spooler_t *self, nchan_msg_t *msg, ngx_int_t code, void *code_data, unsigned notice) {
spooler_respond_generic_data_t data = {self, msg, code, code_data, notice};
rbtree_walk(&self->spoolseed, (rbtree_walk_callback_pt )spooler_respond_rbtree_node_spool, &data);
spool_respond_general(&self->current_msg_spool, data.msg, data.code, data.code_data, notice);
return NGX_OK;
}
static ngx_int_t spooler_respond_generic(channel_spooler_t *self, nchan_msg_t *msg, ngx_int_t code, const ngx_str_t *line) {
spooler_respond_generic_data_t data = {self, msg, code, line};
rbtree_walk(&self->spoolseed, (rbtree_walk_callback_pt )spooler_respond_rbtree_node_spool, &data);
return NGX_OK;
}
/*
* Zap all users on a NAS from the radutmp file.
*/
static int radutmp_zap(rlm_radutmp_t *inst,
radutmp_cache_t *cache,
uint32_t nas_address,
time_t now)
{
int rcode;
rbtree_t *offset_tree;
offset_walk_t walk;
rad_assert(now != 0);
/*
* If there's nothing in the file, do nothing,
* but truncate the file, just to be safe.
*/
if (rbtree_num_elements(cache->nas_ports) == 0) {
truncate(cache->filename, (off_t) 0);
DEBUG2(" rlm_radutmp: No entries in file. Quenching zap.");
return 1;
}
/*
* Create the offset tree, as we want to delete utmp
* entries starting from the start of the file, and we
* can't delete nodes from an rbtree while we're walking
* it.
*/
offset_tree = rbtree_create(offset_cmp, NULL, 0);
if (!offset_tree) {
radlog(L_ERR, "rlm_radutmp: Out of memory");
return 0;
}
pthread_mutex_lock(&cache->mutex);
/*
* Walk through the cache, finding entries for this NAS,
* and add those entries to the offset tree.
*/
memset(&walk, 0, sizeof(walk));
walk.inst = inst;
walk.offset_tree = offset_tree;
walk.nas_address = nas_address;
rcode = rbtree_walk(cache->nas_ports, PreOrder, nas_port_walk, &walk);
if (rcode != 0) {
pthread_mutex_unlock(&cache->mutex);
rbtree_free(offset_tree);
radlog(L_ERR, "rlm_radutmp: Failed walking the cache.");
return 0;
}
/*
* If both trees have the same number of elements, then
* don't do anything special, as UDP packets may be
* received out of order, by several seconds. The
* "offset_walk" routine MAY NOT delete the entries, if
* it sees that the entries in the file are newer than
* the reboot packet.
*/
/*
* If there's nothing to do, don't do anything.
*/
if (rbtree_num_elements(offset_tree) == 0) {
DEBUG2(" rlm_radutmp: NAS IP %08x has no users recorded in file %s.",
htonl(nas_address), cache->filename);
pthread_mutex_unlock(&cache->mutex);
rbtree_free(offset_tree);
return 1;
}
/*
* Open the file, to re-write only a few of the entries.
*/
walk.fd = open(cache->filename, O_RDWR);
if (walk.fd < 0) {
pthread_mutex_unlock(&cache->mutex);
rbtree_free(offset_tree);
radlog(L_ERR, "rlm_radutmp: Error accessing file %s: %s",
cache->filename, strerror(errno));
return 0;
}
/*
* Lock the utmp file, prefer lockf() over flock().
*
* FIXME: maybe we want to lock per-record?
*/
rad_lockfd(walk.fd, LOCK_LEN);
/*
* Walk through the offset tree, from start to finish,
* deleting entries from the NAS tree, adding them to
* the "free offset" cache, and lseek'ing to that offset
* in the file, and clearing out the data.
*/
walk.cache = cache;
walk.now = now;
rcode = rbtree_walk(offset_tree, InOrder, offset_walk, &walk);
rbtree_free(offset_tree);
if (rcode != 0) {
radlog(L_ERR, "rlm_radutmp: Failed walking the offsets.");
return 0;
}
close(walk.fd); /* and implicitly release the locks */
/*
* Just to clean up the file. If it's empty,
* nuke everything.
*/
if (rbtree_num_elements(cache->nas_ports) == 0) {
NAS_PORT *this, *next; /* too many copies of code */
for (this = inst->cache.free_offsets;
this != NULL;
this = next) {
next = this->next;
free(this);
}
truncate(cache->filename, 0);
rad_assert(rbtree_num_elements(inst->user_tree) == 0);
}
pthread_mutex_unlock(&cache->mutex);
return 1;
}
