X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fsys-linux.c;h=e23397b0e6f0c77290cd13d98bf60e3a8c8aed3e;hp=c86d668d8ddda4a6e07e1909019b0cdd806771ca;hb=835e047a2057cdcadf4aa11134961cb2b9e9efe7;hpb=9164ea8da8dd803c9c8a34bb2bab7742669f65de diff --git a/pppd/sys-linux.c b/pppd/sys-linux.c index c86d668..e23397b 100644 --- a/pppd/sys-linux.c +++ b/pppd/sys-linux.c @@ -754,7 +754,7 @@ void output (int unit, unsigned char *p, int len) { if (debug) { - log_packet(p, len, "sent "); + log_packet(p, len, "sent ", LOG_DEBUG); } if (write(ppp_fd, p, len) < 0) @@ -2292,15 +2292,27 @@ int cifaddr (int unit, u_int32_t our_adr, u_int32_t his_adr) void open_ppp_loopback(void) { - int flags; + int flags, i; struct termios tios; - if (openpty (&master_fd, &slave_fd, loop_name, NULL, NULL) < 0) - { - syslog(LOG_ERR, "No free pty for loopback"); - die(1); - } + master_fd = -1; + for (i = 0; i < 64; ++i) { + sprintf(loop_name, "/dev/pty%c%x", 'p' + i / 16, i % 16); + master_fd = open(loop_name, O_RDWR, 0); + if (master_fd >= 0) + break; + } + if (master_fd < 0) { + syslog(LOG_ERR, "No free pty for loopback"); + die(1); + } SYSDEBUG((LOG_DEBUG, "using %s for loopback", loop_name)); + loop_name[5] = 't'; + slave_fd = open(loop_name, O_RDWR, 0); + if (slave_fd < 0) { + syslog(LOG_ERR, "Couldn't open %s for loopback: %m", loop_name); + die(1); + } set_ppp_fd(slave_fd); @@ -2517,6 +2529,30 @@ int cipxfaddr (int unit) return result; } +/* + * daemon - Detach us from controlling terminal session. + */ +int +daemon(nochdir, noclose) + int nochdir, noclose; +{ + int pid; + + if ((pid = fork()) < 0) + return -1; + if (pid != 0) + exit(0); /* parent dies */ + setsid(); + if (!nochdir) + chdir("/"); + if (!noclose) { + fclose(stdin); /* don't need stdin, stdout, stderr */ + fclose(stdout); + fclose(stderr); + } + return 0; +} + /******************************************************************** * * sys_check_options - check the options that the user specified