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fprintf(output, " Options:\n");
fprintf(output, " -h, --help\n");
fprintf(output, " -d, --daemon\n");
fprintf(output, " -b <address>, --bind <address>\n");
fprintf(output, " -p <port>, --port <port>\n");
fprintf(output, " -t <count>, --threads <count>\n");
fprintf(output, " -c <entries>, --cache <entries>\n");
fprintf(output, " -l <file>, --log <file>\n");
fprintf(output, " -u <user>, --user <user>\n");
fprintf(output, " -r <directory>, --root <directory>\n");
if (long_help) {
fprintf(output, "\n");
fprintf(output, " Usage:\n");
fprintf(output, " -h (or --help) prints this usage information\n");
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fprintf(output, " -c (or --cache) specifies the number of file information cache entries\n");
fprintf(output, " to allocate. Each cache entry holds file information as\n");
fprintf(output, " well as an open file descriptor to the file, so resource\n");
fprintf(output, " limits (i.e., ulimit) should be considered. This should\n");
fprintf(output, " be a prime number for ideal use with the lookup method.\n");
fprintf(output, " The default is %lu.\n", (unsigned long) CACHE_SIZE);
fprintf(output, "\n");
fprintf(output, " -l (or --log) specifies a filename to open for writing log entries. Log\n");
fprintf(output, " entries are made for various stages in transfering files.\n");
fprintf(output, " The log file is opened before switching users (see \"-u\")\n");
fprintf(output, " and root directories (see \"-r\"). The log file is never\n");
fprintf(output, " closed so log rotation without stopping the daemon is will\n");
fprintf(output, " not work. The value of \"-\" indicates that standard output\n");
fprintf(output, " should be used for logging. The default is \"%s\".\n", LOG_FILE);
fprintf(output, "\n");
fprintf(output, " -u (or --user) specifies the user to switch user IDs to before servicing\n");
fprintf(output, " requests. The default is not change user IDs.\n");
fprintf(output, "\n");
fprintf(output, " -r (or --root) specifies the directory to act as the root directory for\n");
fprintf(output, " the file server. If this option is specified, chroot(2)\n");
fprintf(output, " is called. The default is not change root directories,\n");
fprintf(output, " that is, the \"/\" directory is shared out. This will\n");
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-
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+
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close(fd_out);
return(0);
}
/* Run process */
int main(int argc, char **argv) {
struct option options[9];
struct option options[10];
const char *bind_addr = BIND_ADDR, *newroot = NULL, *log_file = LOG_FILE;
uid_t user = 0;
int port = PORT, thread_count = THREAD_COUNT;
int cache_size = CACHE_SIZE;
int init_ret, chroot_ret, setuid_ret, lookup_ret, chdir_ret;
int setuid_enabled = 0, daemon_enabled = 0;
int ch;
int fd;
/* Process arguments */
filed_getopt_long_setopt(&options[0], "port", required_argument, 'p');
filed_getopt_long_setopt(&options[1], "threads", required_argument, 't');
filed_getopt_long_setopt(&options[2], "cache", required_argument, 'c');
filed_getopt_long_setopt(&options[3], "bind", required_argument, 'b');
filed_getopt_long_setopt(&options[4], "user", required_argument, 'u');
filed_getopt_long_setopt(&options[5], "root", required_argument, 'r');
filed_getopt_long_setopt(&options[6], "help", no_argument, 'h');
filed_getopt_long_setopt(&options[7], "daemon", no_argument, 'd');
filed_getopt_long_setopt(&options[8], NULL, 0, 0);
while ((ch = getopt_long(argc, argv, "p:t:c:b:u:r:hd", options, NULL)) != -1) {
filed_getopt_long_setopt(&options[8], "log", required_argument, 'l');
filed_getopt_long_setopt(&options[9], NULL, 0, 0);
while ((ch = getopt_long(argc, argv, "p:t:c:b:u:r:l:hd", options, NULL)) != -1) {
switch(ch) {
case 'p':
port = atoi(optarg);
break;
case 't':
thread_count = atoi(optarg);
break;
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