X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Fngircd.c;h=5637cb2578666c91ef0a9945231fc2b74686d97c;hp=50d91ce8e2dbff20c87e9dc54505e0bac3406019;hb=13a5358a3d9a439e2f6d70f7770d4b7673bfbbc1;hpb=46b0eef721b9b3eec37d29aff65b6a7fc488a887 diff --git a/src/ngircd/ngircd.c b/src/ngircd/ngircd.c index 50d91ce8..5637cb25 100644 --- a/src/ngircd/ngircd.c +++ b/src/ngircd/ngircd.c @@ -1,6 +1,6 @@ /* * ngIRCd -- The Next Generation IRC Daemon - * Copyright (c)2001-2012 Alexander Barton (alex@barton.de) and Contributors. + * Copyright (c)2001-2013 Alexander Barton (alex@barton.de) and Contributors. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -264,7 +264,7 @@ main(int argc, const char *argv[]) /* Initialize the "main program": chroot environment, user and * group ID, ... */ if (!NGIRCd_Init(NGIRCd_NoDaemon)) { - Log(LOG_ALERT, "Fatal: Initialization failed"); + Log(LOG_ALERT, "Fatal: Initialization failed, exiting!"); exit(1); } @@ -460,7 +460,7 @@ static void Show_Version( void ) { puts( NGIRCd_Version ); - puts( "Copyright (c)2001-2012 Alexander Barton () and Contributors." ); + puts( "Copyright (c)2001-2013 Alexander Barton () and Contributors." ); puts( "Homepage: \n" ); puts( "This is free software; see the source for copying conditions. There is NO" ); puts( "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." ); @@ -535,21 +535,23 @@ Pidfile_Create(pid_t pid) len = snprintf(pidbuf, sizeof pidbuf, "%ld\n", (long)pid); if (len < 0 || len >= (int)sizeof pidbuf) { - Log(LOG_ERR, "Error converting pid"); + Log(LOG_ERR, "Error converting process ID!"); close(pidfd); return; } if (write(pidfd, pidbuf, (size_t)len) != (ssize_t)len) - Log( LOG_ERR, "Can't write PID file (%s): %s", Conf_PidFile, strerror( errno )); + Log(LOG_ERR, "Can't write PID file (%s): %s!", Conf_PidFile, + strerror(errno)); - if( close(pidfd) != 0 ) - Log( LOG_ERR, "Error closing PID file (%s): %s", Conf_PidFile, strerror( errno )); + if (close(pidfd) != 0) + Log(LOG_ERR, "Error closing PID file (%s): %s!", Conf_PidFile, + strerror(errno)); } /* Pidfile_Create */ /** - * Redirect stdin, stdout and stderr to apropriate file handles. + * Redirect stdin, stdout and stderr to appropriate file handles. * * @param fd The file handle stdin, stdout and stderr should be redirected to. */ @@ -567,6 +569,8 @@ Setup_FDStreams(int fd) } /* Setup_FDStreams */ +#if !defined(SINGLE_USER_OS) + /** * Get user and group ID of unprivileged "nobody" user. * @@ -606,6 +610,8 @@ NGIRCd_getNobodyID(uid_t *uid, gid_t *gid ) return true; } /* NGIRCd_getNobodyID */ +#endif + static bool Random_Init_Kern(const char *file) @@ -667,21 +673,22 @@ NGIRCd_Init(bool NGIRCd_NoDaemon) } /* SSL initialization */ - if (!ConnSSL_InitLibrary()) - Log(LOG_WARNING, - "Error during SSL initialization, continuing without SSL ..."); + if (!ConnSSL_InitLibrary()) { + Log(LOG_ERR, "Error during SSL initialization!"); + goto out; + } /* Change root */ if (Conf_Chroot[0]) { if (chdir(Conf_Chroot) != 0) { - Log(LOG_ERR, "Can't chdir() in ChrootDir (%s): %s", + Log(LOG_ERR, "Can't chdir() in ChrootDir (%s): %s!", Conf_Chroot, strerror(errno)); goto out; } if (chroot(Conf_Chroot) != 0) { Log(LOG_ERR, - "Can't change root directory to \"%s\": %s", + "Can't change root directory to \"%s\": %s!", Conf_Chroot, strerror(errno)); goto out; } else { @@ -692,6 +699,7 @@ NGIRCd_Init(bool NGIRCd_NoDaemon) } } +#if !defined(SINGLE_USER_OS) /* Check user ID */ if (Conf_UID == 0) { pwd = getpwuid(0); @@ -711,22 +719,30 @@ NGIRCd_Init(bool NGIRCd_NoDaemon) if (setgid(Conf_GID) != 0) { real_errno = errno; grp = getgrgid(Conf_GID); - Log(LOG_ERR, "Can't change group ID to %s(%u): %s", + Log(LOG_ERR, "Can't change group ID to %s(%u): %s!", grp ? grp->gr_name : "?", Conf_GID, - strerror(errno)); + strerror(real_errno)); if (real_errno != EPERM) goto out; } + if (setgroups(0, NULL) != 0) { + real_errno = errno; + Log(LOG_ERR, "Can't drop supplementary group IDs: %s!", + strerror(errno)); + if (real_errno != EPERM) + goto out; + } } +#endif /* Change user ID */ if (getuid() != Conf_UID) { if (setuid(Conf_UID) != 0) { real_errno = errno; pwd = getpwuid(Conf_UID); - Log(LOG_ERR, "Can't change user ID to %s(%u): %s", + Log(LOG_ERR, "Can't change user ID to %s(%u): %s!", pwd ? pwd->pw_name : "?", Conf_UID, - strerror(errno)); + strerror(real_errno)); if (real_errno != EPERM) goto out; } @@ -758,7 +774,7 @@ NGIRCd_Init(bool NGIRCd_NoDaemon) setpgrp(0, getpid()); #endif if (chdir("/") != 0) - Log(LOG_ERR, "Can't change directory to '/': %s", + Log(LOG_ERR, "Can't change directory to '/': %s!", strerror(errno)); /* Detach stdin, stdout and stderr */ @@ -801,8 +817,8 @@ NGIRCd_Init(bool NGIRCd_NoDaemon) "Changed working directory to \"%s\" ...", pwd->pw_dir); else - Log(LOG_INFO, - "Notice: Can't change working directory to \"%s\": %s", + Log(LOG_ERR, + "Can't change working directory to \"%s\": %s!", pwd->pw_dir, strerror(errno)); } else Log(LOG_ERR, "Can't get user informaton for UID %d!?", Conf_UID);