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    revision 532 by niro, Sat Sep 1 22:45:15 2007 UTC revision 816 by niro, Fri Apr 24 18:33:46 2009 UTC
    # Line 2  Line 2 
    2  /*  /*
    3   * Fake identd server.   * Fake identd server.
    4   *   *
    5   * Copyright (C) 2007 Denis Vlasenko   * Copyright (C) 2007 Denys Vlasenko
    6   *   *
    7   * Licensed under GPL version 2, see file LICENSE in this tarball for details.   * Licensed under GPL version 2, see file LICENSE in this tarball for details.
    8   */   */
    9    
    10    #include "libbb.h"
    11  #include <syslog.h>  #include <syslog.h>
     #include "busybox.h"  
    12  #include "isrv.h"  #include "isrv.h"
    13    
    14  enum { TIMEOUT = 20 };  enum { TIMEOUT = 20 };
    # Line 19  typedef struct identd_buf_t { Line 19  typedef struct identd_buf_t {
    19   char buf[64 - 2*sizeof(int)];   char buf[64 - 2*sizeof(int)];
    20  } identd_buf_t;  } identd_buf_t;
    21    
    22  static const char *bogouser = "nobody";  #define bogouser bb_common_bufsiz1
    23    
    24  static int new_peer(isrv_state_t *state, int fd)  static int new_peer(isrv_state_t *state, int fd)
    25  {  {
    # Line 32  static int new_peer(isrv_state_t *state, Line 32  static int new_peer(isrv_state_t *state,
    32   if (isrv_register_fd(state, peer, fd) < 0)   if (isrv_register_fd(state, peer, fd) < 0)
    33   return peer; /* failure, unregister peer */   return peer; /* failure, unregister peer */
    34    
    35   buf->fd_flag = fcntl(fd, F_GETFL, 0) | O_NONBLOCK;   buf->fd_flag = fcntl(fd, F_GETFL) | O_NONBLOCK;
    36   isrv_want_rd(state, fd);   isrv_want_rd(state, fd);
    37   return 0;   return 0;
    38  }  }
    # Line 61  static int do_rd(int fd, void **paramp) Line 61  static int do_rd(int fd, void **paramp)
    61   p = strpbrk(cur, "\r\n");   p = strpbrk(cur, "\r\n");
    62   if (p)   if (p)
    63   *p = '\0';   *p = '\0';
    64   if (!p && sz && buf->pos <= sizeof(buf->buf))   if (!p && sz && buf->pos <= (int)sizeof(buf->buf))
    65   goto ok;   goto ok;
    66   /* Terminate session. If we are in server mode, then   /* Terminate session. If we are in server mode, then
    67   * fd is still in nonblocking mode - we never block here */   * fd is still in nonblocking mode - we never block here */
    # Line 76  static int do_rd(int fd, void **paramp) Line 76  static int do_rd(int fd, void **paramp)
    76   return retval;   return retval;
    77  }  }
    78    
    79  static int do_timeout(void **paramp)  static int do_timeout(void **paramp UNUSED_PARAM)
    80  {  {
    81   return 1; /* terminate session */   return 1; /* terminate session */
    82  }  }
    # Line 92  static void inetd_mode(void) Line 92  static void inetd_mode(void)
    92   while (do_rd(0, (void*)&buf) == 0);   while (do_rd(0, (void*)&buf) == 0);
    93  }  }
    94    
    95  int fakeidentd_main(int argc, char **argv)  int fakeidentd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
    96    int fakeidentd_main(int argc UNUSED_PARAM, char **argv)
    97  {  {
    98   enum {   enum {
    99   OPT_foreground = 0x1,   OPT_foreground = 0x1,
    # Line 106  int fakeidentd_main(int argc, char **arg Line 107  int fakeidentd_main(int argc, char **arg
    107   unsigned opt;   unsigned opt;
    108   int fd;   int fd;
    109    
    110   opt = getopt32(argc, argv, "fiwb:", &bind_address);   opt = getopt32(argv, "fiwb:", &bind_address);
    111   if (optind < argc)   strcpy(bogouser, "nobody");
    112   bogouser = argv[optind];   if (argv[optind])
    113     strncpy(bogouser, argv[optind], sizeof(bogouser));
    114    
    115   /* Daemonize if no -f and no -i and no -w */   /* Daemonize if no -f and no -i and no -w */
    116   bb_sanitize_stdio_maybe_daemonize(!(opt & OPT_fiw));   if (!(opt & OPT_fiw))
    117     bb_daemonize_or_rexec(0, argv);
    118    
    119   /* Where to log in inetd modes? "Classic" inetd   /* Where to log in inetd modes? "Classic" inetd
    120   * probably has its stderr /dev/null'ed (we need log to syslog?),   * probably has its stderr /dev/null'ed (we need log to syslog?),
    121   * but daemontools-like utilities usually expect that children   * but daemontools-like utilities usually expect that children
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      Added in v.816