X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=daemon.c;h=c855daa19e194ee5d6e432f89771b907bd909340;hp=2f706b01bde62c8821dc76e66ad387a905782d91;hb=395aeb9da9c9cc2febe91b5a906c72e59e217594;hpb=ae657a3b13b4ff76187dad39fede40b98d7cb6d7 diff --git a/daemon.c b/daemon.c index 2f706b01..c855daa1 100644 --- a/daemon.c +++ b/daemon.c @@ -5,12 +5,14 @@ */ /** \file daemon.c Some helpers for programs that detach from the console. */ -#include "para.h" -#include "daemon.h" + +#include #include #include /* getgrnam() */ #include +#include "para.h" +#include "daemon.h" #include "string.h" #include "color.h" @@ -58,25 +60,6 @@ void daemon_set_default_log_colors(void) } } -static int get_loglevel_by_name(const char *txt, size_t n) -{ - if (!strncasecmp(txt, "debug", n)) - return LL_DEBUG; - if (!strncasecmp(txt, "info", n)) - return LL_INFO; - if (!strncasecmp(txt, "notice", n)) - return LL_NOTICE; - if (!strncasecmp(txt, "warning", n)) - return LL_WARNING; - if (!strncasecmp(txt, "error", n)) - return LL_ERROR; - if (!strncasecmp(txt, "crit", n)) - return LL_CRIT; - if (!strncasecmp(txt, "emerg", n)) - return LL_EMERG; - return -1; -} - /** * Set the color for one loglevel. * @@ -93,7 +76,7 @@ int daemon_set_log_color(char const *arg) if (!p) goto err; - ret = get_loglevel_by_name(arg, p - arg); + ret = get_loglevel_by_name(arg); if (ret < 0) goto err; ll = ret; @@ -122,13 +105,16 @@ void daemon_set_logfile(char *logfile_name) } /** - * Supress log messages with severity lower than the given loglevel. + * Suppress log messages with severity lower than the given loglevel. * * \param loglevel The smallest level that should be logged. */ -void daemon_set_loglevel(int loglevel) +void daemon_set_loglevel(char *loglevel) { - me->loglevel = loglevel; + int ret = get_loglevel_by_name(loglevel); + + assert(ret >= 0); + me->loglevel = ret; } /** @@ -183,7 +169,6 @@ void daemonize(void) goto err; if (chdir("/") < 0) goto err; - umask(0); null = open("/dev/null", O_RDONLY); if (null < 0) goto err; @@ -234,11 +219,10 @@ void daemon_open_log_or_die(void) /** * Log the startup message containing the paraslash version. */ -void log_welcome(const char *whoami, int loglevel) +void log_welcome(const char *whoami) { PARA_INFO_LOG("welcome to %s " PACKAGE_VERSION " ("BUILD_DATE")\n", whoami); - PARA_DEBUG_LOG("using loglevel %d\n", loglevel); } /** @@ -287,7 +271,11 @@ void drop_privileges_or_die(const char *username, const char *groupname) exit(EXIT_FAILURE); } PARA_INFO_LOG("dropping root privileges\n"); - setuid(p->pw_uid); + if (setuid(p->pw_uid) < 0) { + PARA_EMERG_LOG("failed to set effective user ID (%s)", + strerror(errno)); + exit(EXIT_FAILURE); + } PARA_DEBUG_LOG("uid: %d, euid: %d\n", (int)getuid(), (int)geteuid()); } @@ -301,7 +289,7 @@ void drop_privileges_or_die(const char *username, const char *groupname) * set_or_get equal to \p UPTIME_GET return the uptime. * \return Zero if called with \a set_or_get equal to \p UPTIME_SET, the number - * of seconds ellapsed since the last reset otherwise. + * of seconds elapsed since the last reset otherwise. * * \sa time(2), difftime(3). */ @@ -345,7 +333,7 @@ __printf_2_3 void para_log(int ll, const char* fmt,...) FILE *fp; struct tm *tm; time_t t1; - char *color, str[MAXLINE] = ""; + char *color; ll = PARA_MIN(ll, NUM_LOGLEVELS - 1); ll = PARA_MAX(ll, LL_DEBUG); @@ -356,11 +344,11 @@ __printf_2_3 void para_log(int ll, const char* fmt,...) color = daemon_test_flag(DF_COLOR_LOG)? me->log_colors[ll] : NULL; if (color) fprintf(fp, "%s", color); - if (daemon_test_flag(DF_LOG_TIME)) { - /* date and time */ + if (daemon_test_flag(DF_LOG_TIME)) { /* print date and time */ + char str[100]; time(&t1); tm = localtime(&t1); - strftime(str, MAXLINE, "%b %d %H:%M:%S", tm); + strftime(str, sizeof(str), "%b %d %H:%M:%S", tm); fprintf(fp, "%s ", str); } if (daemon_test_flag(DF_LOG_HOSTNAME)) {