static int do_connect(int *out, char const *file, char const *server)
{
char buffer[65536];
ssize_t len, size;
int sockfd;
uint32_t magic, needed;
/*
* Close stale file descriptors
*/
if (*out != -1) {
close(*out);
*out = -1;
}
if (file) {
/*
* FIXME: Get destination from command line, if possible?
*/
sockfd = fr_domain_socket(file);
if (sockfd < 0) return -1;
} else {
sockfd = client_socket(server);
}
/*
* Only works for BSD, but Linux allows us
* to mask SIGPIPE, so that's fine.
*/
#ifdef SO_NOSIGPIPE
{
int set = 1;
setsockopt(sockfd, SOL_SOCKET, SO_NOSIGPIPE, (void *)&set, sizeof(int));
}
#endif
/*
* Read initial magic && version information.
*/
for (size = 0; size < 8; size += len) {
len = read(sockfd, buffer + size, 8 - size);
if (len < 0) {
fprintf(stderr, "%s: Error reading initial data from socket: %s\n",
progname, fr_syserror(errno));
return -1;
}
}
memcpy(&magic, buffer, 4);
magic = ntohl(magic);
if (magic != 0xf7eead15) {
fprintf(stderr, "%s: Socket %s is not FreeRADIUS administration socket\n", progname, file);
return -1;
}
memcpy(&magic, buffer + 4, 4);
magic = ntohl(magic);
if (!server) {
needed = 1;
} else {
needed = 2;
}
if (magic != needed) {
fprintf(stderr, "%s: Socket version mismatch: Need %d, got %d\n",
progname, needed, magic);
return -1;
}
if (server && secret) do_challenge(sockfd);
*out = sockfd;
return 0;
}
int main(int argc, char **argv)
{
int argval, quiet = 0;
int done_license = 0;
int sockfd;
uint32_t magic, needed;
char *line = NULL;
ssize_t len, size;
char const *file = NULL;
char const *name = "radiusd";
char *p, buffer[65536];
char const *input_file = NULL;
FILE *inputfp = stdin;
char const *output_file = NULL;
char const *server = NULL;
char *commands[MAX_COMMANDS];
int num_commands = -1;
#ifndef NDEBUG
fr_fault_setup(getenv("PANIC_ACTION"), argv[0]);
#endif
talloc_set_log_stderr();
outputfp = stdout; /* stdout is not a constant value... */
if ((progname = strrchr(argv[0], FR_DIR_SEP)) == NULL)
progname = argv[0];
else
progname++;
while ((argval = getopt(argc, argv, "d:hi:e:Ef:n:o:qs:S")) != EOF) {
switch(argval) {
case 'd':
if (file) {
fprintf(stderr, "%s: -d and -f cannot be used together.\n", progname);
exit(1);
}
if (server) {
fprintf(stderr, "%s: -d and -s cannot be used together.\n", progname);
exit(1);
}
radius_dir = optarg;
break;
case 'e':
num_commands++; /* starts at -1 */
if (num_commands >= MAX_COMMANDS) {
fprintf(stderr, "%s: Too many '-e'\n",
progname);
exit(1);
}
commands[num_commands] = optarg;
break;
case 'E':
echo = true;
break;
case 'f':
radius_dir = NULL;
file = optarg;
break;
default:
case 'h':
usage(0);
break;
case 'i':
if (strcmp(optarg, "-") != 0) {
input_file = optarg;
}
quiet = 1;
break;
case 'n':
name = optarg;
break;
case 'o':
if (strcmp(optarg, "-") != 0) {
output_file = optarg;
}
quiet = 1;
break;
case 'q':
quiet = 1;
break;
case 's':
if (file) {
fprintf(stderr, "%s: -s and -f cannot be used together.\n", progname);
usage(1);
}
radius_dir = NULL;
server = optarg;
break;
case 'S':
secret = NULL;
break;
}
}
/*
* Mismatch between the binary and the libraries it depends on
*/
if (fr_check_lib_magic(RADIUSD_MAGIC_NUMBER) < 0) {
fr_perror("radmin");
exit(1);
}
if (radius_dir) {
int rcode;
CONF_SECTION *cs, *subcs;
file = NULL; /* MUST read it from the conffile now */
snprintf(buffer, sizeof(buffer), "%s/%s.conf",
radius_dir, name);
cs = cf_file_read(buffer);
if (!cs) {
fprintf(stderr, "%s: Errors reading or parsing %s\n", progname, buffer);
usage(1);
}
subcs = NULL;
while ((subcs = cf_subsection_find_next(cs, subcs, "listen")) != NULL) {
char const *value;
CONF_PAIR *cp = cf_pair_find(subcs, "type");
if (!cp) continue;
value = cf_pair_value(cp);
if (!value) continue;
if (strcmp(value, "control") != 0) continue;
/*
* Now find the socket name (sigh)
*/
rcode = cf_item_parse(subcs, "socket",
PW_TYPE_STRING_PTR,
&file, NULL);
if (rcode < 0) {
fprintf(stderr, "%s: Failed parsing listen section\n", progname);
exit(1);
}
if (!file) {
fprintf(stderr, "%s: No path given for socket\n", progname);
usage(1);
}
break;
}
if (!file) {
fprintf(stderr, "%s: Could not find control socket in %s\n", progname, buffer);
exit(1);
}
}
if (input_file) {
inputfp = fopen(input_file, "r");
if (!inputfp) {
fprintf(stderr, "%s: Failed opening %s: %s\n", progname, input_file, strerror(errno));
exit(1);
}
}
if (output_file) {
outputfp = fopen(output_file, "w");
if (!outputfp) {
fprintf(stderr, "%s: Failed creating %s: %s\n", progname, output_file, strerror(errno));
exit(1);
}
}
/*
* Check if stdin is a TTY only if input is from stdin
*/
if (input_file && !quiet && !isatty(STDIN_FILENO)) quiet = 1;
#ifdef USE_READLINE
if (!quiet) {
#ifdef USE_READLINE_HISTORY
using_history();
#endif
rl_bind_key('\t', rl_insert);
}
#endif
reconnect:
if (file) {
/*
* FIXME: Get destination from command line, if possible?
*/
sockfd = fr_domain_socket(file);
if (sockfd < 0) {
exit(1);
}
} else {
sockfd = client_socket(server);
}
/*
* Read initial magic && version information.
*/
for (size = 0; size < 8; size += len) {
len = read(sockfd, buffer + size, 8 - size);
if (len < 0) {
fprintf(stderr, "%s: Error reading initial data from socket: %s\n",
progname, strerror(errno));
exit(1);
}
}
memcpy(&magic, buffer, 4);
magic = ntohl(magic);
if (magic != 0xf7eead15) {
fprintf(stderr, "%s: Socket %s is not FreeRADIUS administration socket\n", progname, file);
exit(1);
}
memcpy(&magic, buffer + 4, 4);
magic = ntohl(magic);
if (!server) {
needed = 1;
} else {
needed = 2;
}
if (magic != needed) {
fprintf(stderr, "%s: Socket version mismatch: Need %d, got %d\n",
progname, needed, magic);
exit(1);
}
if (server && secret) do_challenge(sockfd);
/*
* Run one command.
*/
if (num_commands >= 0) {
int i;
for (i = 0; i <= num_commands; i++) {
size = run_command(sockfd, commands[i],
buffer, sizeof(buffer));
if (size < 0) exit(1);
if (buffer[0]) {
fputs(buffer, outputfp);
fprintf(outputfp, "\n");
fflush(outputfp);
}
}
exit(0);
}
if (!done_license && !quiet) {
printf("%s - FreeRADIUS Server administration tool.\n", radmin_version);
printf("Copyright (C) 2008-2014 The FreeRADIUS server project and contributors.\n");
printf("There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A\n");
printf("PARTICULAR PURPOSE.\n");
printf("You may redistribute copies of FreeRADIUS under the terms of the\n");
printf("GNU General Public License v2.\n");
done_license = 1;
}
/*
* FIXME: Do login?
*/
while (1) {
#ifndef USE_READLINE
if (!quiet) {
printf("radmin> ");
fflush(stdout);
}
#else
if (!quiet) {
line = readline("radmin> ");
if (!line) break;
if (!*line) {
free(line);
continue;
}
#ifdef USE_READLINE_HISTORY
add_history(line);
#endif
} else /* quiet, or no readline */
#endif
{
line = fgets(buffer, sizeof(buffer), inputfp);
if (!line) break;
p = strchr(buffer, '\n');
if (!p) {
fprintf(stderr, "%s: Input line too long\n",
progname);
exit(1);
}
*p = '\0';
/*
* Strip off leading spaces.
*/
for (p = line; *p != '\0'; p++) {
if ((p[0] == ' ') ||
(p[0] == '\t')) {
line = p + 1;
continue;
}
if (p[0] == '#') {
line = NULL;
break;
}
break;
}
/*
* Comments: keep going.
*/
if (!line) continue;
/*
* Strip off CR / LF
*/
for (p = line; *p != '\0'; p++) {
if ((p[0] == '\r') ||
(p[0] == '\n')) {
p[0] = '\0';
break;
}
}
}
if (strcmp(line, "reconnect") == 0) {
close(sockfd);
line = NULL;
goto reconnect;
}
if (memcmp(line, "secret ", 7) == 0) {
if (!secret) {
secret = line + 7;
do_challenge(sockfd);
}
line = NULL;
continue;
}
/*
* Exit, done, etc.
*/
if ((strcmp(line, "exit") == 0) ||
(strcmp(line, "quit") == 0)) {
break;
}
if (server && !secret) {
fprintf(stderr, "ERROR: You must enter 'secret <SECRET>' before running any commands\n");
line = NULL;
continue;
}
size = run_command(sockfd, line, buffer, sizeof(buffer));
if (size <= 0) break; /* error, or clean exit */
if (size == 1) continue; /* no output. */
fputs(buffer, outputfp);
fflush(outputfp);
fprintf(outputfp, "\n");
}
fprintf(outputfp, "\n");
return 0;
}
