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bip
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Move automake file in src subdir, isolate main. 

In preparation for adding a unit test directory, move Makefile.am in
src, and build a static libbip before linking a binary.
This commit is contained in:
Arnaud Cornet 2018-11-11 18:16:14 -05:00
parent eaed46da14
commit 057107a233
5 changed files with 354 additions and 275 deletions
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18
Makefile.am
View File

@ -1,20 +1,4 @@
bin_PROGRAMS = src/bip src/bipmkpw
src_bip_SOURCES = src/conf.y src/lex.l \
src/bip.c src/bip.h \
src/connection.c src/connection.h \
src/defaults.h \
src/irc.c src/irc.h \
src/line.c src/line.h \
src/log.c src/log.h \
src/md5.c src/md5.h \
src/path_util.c src/path_util.h \
src/tuple.h \
src/util.c src/util.h
src_bipmkpw_SOURCES = src/bipmkpw.c src/md5.c src/util.c
AM_YFLAGS= -d
BUILT_SOURCES = src/conf.c src/conf.h src/lex.c
AM_CFLAGS=-Wall -Wextra -Werror
SUBDIRS = src
dist_man_MANS = bip.1 bip.conf.5 bipmkpw.1

3
configure.ac
View File

@ -10,6 +10,7 @@ AC_CONFIG_HEADERS([src/config.h])
# Checks for programs
AC_PROG_CC
AC_PROG_RANLIB
AM_PROG_CC_C_O
AC_PROG_INSTALL
AM_PROG_LEX
@ -121,7 +122,7 @@ AS_IF([test "x$enable_pie" != "xno"], [
fi
])
AC_CONFIG_FILES([Makefile])
AC_CONFIG_FILES([Makefile src/Makefile])
AC_OUTPUT
AS_IF([test "x$with_openssl" != "xno"], [

24
src/Makefile.am Normal file
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@ -0,0 +1,24 @@
noinst_LIBRARIES = libbip.a
libbip_a_SOURCES = conf.y lex.l \
bip.c bip.h \
connection.c connection.h \
defaults.h \
irc.c irc.h \
line.c line.h \
log.c log.h \
md5.c md5.h \
path_util.c path_util.h \
tuple.h \
util.c util.h
bin_PROGRAMS = bip bipmkpw
bip_SOURCES = bip_main.c
bip_LDADD = libbip.a
bipmkpw_SOURCES = bipmkpw.c md5.c util.c
AM_YFLAGS= -d
BUILT_SOURCES = conf.c conf.h lex.c
#AM_CFLAGS=-Wall -Wextra -Werror

263
src/bip.c
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@ -32,6 +32,8 @@
#include "line.h"
#include "defaults.h"
#define S_CONF "bip.conf"
int sighup = 0;
char *conf_log_root;
@ -56,6 +58,9 @@ int conf_log = DEFAULT_LOG;
int conf_log_system = DEFAULT_LOG_SYSTEM;
int conf_log_sync_interval = DEFAULT_LOG_SYNC_INTERVAL;
bip_t *_bip;
FILE *conf_global_log_file;
list_t *parse_conf(FILE *file, int *err);
void conf_die(bip_t *bip, char *fmt, ...);
static char *get_tuple_pvalue(list_t *tuple_l, int lex);
@ -63,6 +68,7 @@ void bip_notify(struct link_client *ic, char *fmt, ...);
void adm_list_connections(struct link_client *ic, struct bipuser *bu);
void free_conf(list_t *l);
#ifdef HAVE_OIDENTD
#define OIDENTD_FILENAME ".oidentd.conf"
#endif
@ -156,40 +162,6 @@ void conf_die(bip_t *bip, char *fmt, ...)
va_end(ap);
}
FILE *conf_global_log_file;
static pid_t daemonize(void)
{
switch (fork()) {
case -1:
fatal("Fork failed");
break;
case 0:
break;
default:
_exit(0);
}
if (setsid() < 0)
fatal("setsid() failed");
switch (fork()) {
case -1:
fatal("Fork failed");
break;
case 0:
break;
default:
_exit(0);
}
close(0);
close(1);
close(2);
/* This better be the very last action since fatal makes use of
* conf_global_log_file */
return getpid();
}
/* RACE CONDITION! */
int do_pid_stuff(void)
@ -265,32 +237,6 @@ pid_is_there:
return 0;
}
#define S_CONF "bip.conf"
static void usage(char *name)
{
printf(
"Usage: %s [-f config_file] [-h] [-n]\n"
" -f config_file: Use config_file as the configuration file\n"
" If no config file is given %s will try to open ~/.bip/" S_CONF "\n"
" -n: Don't daemonize, log in stderr\n"
" -s: Bip HOME, default parent directory for client certificate,\n"
" configuration, logs, pid, oidentd\n"
" -v: Print version and exit\n"
" -h: This help\n", name, name);
exit(1);
}
static void version()
{
printf(
"Bip IRC Proxy - " PACKAGE_VERSION "\n"
"Copyright © Arnaud Cornet and Loïc Gomez (2004 - 2008)\n"
"Distributed under the GNU Public License Version 2\n");
}
bip_t *_bip;
void reload_config(int i)
{
(void)i;
@ -1100,23 +1046,6 @@ out_conf_error:
return 0;
}
static void log_file_setup(void)
{
char buf[4096];
if (conf_log_system && conf_daemonize) {
if (conf_global_log_file && conf_global_log_file != stderr)
fclose(conf_global_log_file);
snprintf(buf, 4095, "%s/bip.log", conf_log_root);
FILE *f = fopen(buf, "a");
if (!f)
fatal("Can't open %s: %s", buf, strerror(errno));
conf_global_log_file = f;
} else {
conf_global_log_file = stderr;
}
}
void check_rlimits()
{
int r, cklim;
@ -1192,186 +1121,6 @@ void check_rlimits()
mylog(LOG_WARN, "You can check your limits with `ulimit -a'");
}
int main(int argc, char **argv)
{
FILE *conf = NULL;
char *confpath = NULL;
int ch;
int r, fd;
char buf[30];
bip_t bip;
bip_init(&bip);
_bip = &bip;
conf_ip = bip_strdup("0.0.0.0");
conf_port = 7778;
conf_css = 0;
signal(SIGPIPE, SIG_IGN);
signal(SIGHUP, reload_config);
signal(SIGINT, bad_quit);
signal(SIGQUIT, bad_quit);
signal(SIGTERM, bad_quit);
signal(SIGXFSZ, rlimit_bigfile_reached);
signal(SIGXCPU, rlimit_cpu_reached);
conf_log_root = NULL;
conf_log_format = bip_strdup(DEFAULT_LOG_FORMAT);
conf_log_level = DEFAULT_LOG_LEVEL;
conf_reconn_timer = DEFAULT_RECONN_TIMER;
conf_daemonize = 1;
conf_global_log_file = stderr;
conf_pid_file = NULL;
#ifdef HAVE_LIBSSL
conf_ssl_certfile = NULL;
conf_client_ciphers = NULL;
conf_server_default_ciphers = NULL;
conf_client_dh_file = NULL;
#endif
while ((ch = getopt(argc, argv, "hvnf:s:")) != -1) {
switch (ch) {
case 'f':
confpath = bip_strdup(optarg);
break;
case 'n':
conf_daemonize = 0;
break;
case 's':
conf_biphome = bip_strdup(optarg);
break;
case 'v':
version();
exit(0);
break;
default:
version();
usage(argv[0]);
}
}
umask(0027);
check_rlimits();
char *home = NULL; /* oidentd path searching ignores conf_biphome */
home = getenv("HOME");
if (!home && !conf_biphome) {
conf_die(&bip, "no value for environment variable $HOME,"
"use '-s' parameter");
return 0;
}
if (!conf_biphome) {
conf_biphome = bip_malloc(strlen(home) + strlen("/.bip") + 1);
strcpy(conf_biphome, home);
strcat(conf_biphome, "/.bip");
}
#ifdef HAVE_OIDENTD
if (!bip.oidentdpath) {
bip.oidentdpath = bip_malloc(strlen(conf_biphome) + 1 +
strlen(OIDENTD_FILENAME) + 1);
strcpy(bip.oidentdpath, conf_biphome);
strcat(bip.oidentdpath, "/");
strcat(bip.oidentdpath, OIDENTD_FILENAME);
}
#endif
if (!confpath) {
confpath = bip_malloc(strlen(conf_biphome) + 1 +
strlen(S_CONF) + 1);
strcpy(confpath, conf_biphome);
strcat(confpath, "/");
strcat(confpath, S_CONF);
}
conf = fopen(confpath, "r");
if (!conf)
fatal("config file not found");
r = fireup(&bip, conf);
fclose(conf);
if (!r)
fatal("Not starting: error in config file.");
if (!conf_log_root) {
char *ap = "/logs";
conf_log_root = bip_malloc(strlen(conf_biphome) +
strlen(ap) + 1);
strcpy(conf_log_root, conf_biphome);
strcat(conf_log_root, ap);
mylog(LOG_INFO, "Default log root: %s", conf_log_root);
}
if (!conf_pid_file) {
char *pid = "/bip.pid";
conf_pid_file = bip_malloc(strlen(conf_biphome) +
strlen(pid) + 1);
strcpy(conf_pid_file, conf_biphome);
strcat(conf_pid_file, pid);
mylog(LOG_INFO, "Default pid file: %s", conf_pid_file);
}
#ifdef HAVE_LIBSSL
if (conf_css) {
int e;
struct stat fs;
if (!conf_ssl_certfile) {
conf_ssl_certfile = default_path(conf_biphome, "bip.pem",
"SSL certificate");
}
assert_path_exists(conf_ssl_certfile);
e = stat(conf_ssl_certfile, &fs);
if (e)
mylog(LOG_WARN, "Unable to check PEM file, stat(%s): "
"%s", conf_ssl_certfile, strerror(errno));
else if ((fs.st_mode & S_IROTH) | (fs.st_mode & S_IWOTH))
mylog(LOG_ERROR, "PEM file %s should not be world "
"readable / writable. Please fix the modes.",
conf_ssl_certfile);
if (conf_client_dh_file) {
assert_path_exists(conf_client_dh_file);
}
}
#endif
check_dir(conf_log_root, 1);
fd = do_pid_stuff();
pid_t pid = 0;
log_file_setup();
if (conf_daemonize)
pid = daemonize();
else
pid = getpid();
snprintf(buf, 29, "%ld\n", (long unsigned int)pid);
write(fd, buf, strlen(buf));
close(fd);
bip.listener = listen_new(conf_ip, conf_port, conf_css);
if (!bip.listener || bip.listener->connected == CONN_ERROR)
fatal("Could not create listening socket");
for (;;) {
irc_main(&bip);
sighup = 0;
conf = fopen(confpath, "r");
if (!conf)
fatal("%s config file not found", confpath);
fireup(&bip, conf);
fclose(conf);
/* re-open to allow logfile rotate */
log_file_setup();
}
return 1;
}
#define RET_STR_LEN 256
#define LINE_SIZE_LIM 70
void adm_print_connection(struct link_client *ic, struct link *lnk,

321
src/bip_main.c Normal file
View File

@ -0,0 +1,321 @@
/*
* $Id: bip.c,v 1.39 2005/04/21 06:58:50 nohar Exp $
*
* This file is part of the bip project
* Copyright (C) 2004 2005 Arnaud Cornet and Loïc Gomez
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file "COPYING" for the exact licensing terms.
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <stdarg.h>
#include <string.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "irc.h"
#include "conf.h"
#include "path_util.h"
#include "tuple.h"
#include "log.h"
#include "bip.h"
#include "line.h"
#include "defaults.h"
#define S_CONF "bip.conf"
extern int sighup;
extern char *conf_log_root;
extern char *conf_log_format;
extern int conf_log_level;
extern char *conf_ip;
extern unsigned short conf_port;
extern int conf_css;
#ifdef HAVE_LIBSSL
extern char *conf_ssl_certfile;
extern char *conf_client_ciphers;
extern char *conf_client_dh_file;
extern char *conf_server_default_ciphers;
#endif
extern int conf_daemonize;
extern char *conf_pid_file;
extern char *conf_biphome;
extern int conf_reconn_timer;
/* log options, for sure the trickiest :) */
extern int conf_log;
extern int conf_log_system;
extern int conf_log_sync_interval;
extern bip_t *_bip;
extern FILE *conf_global_log_file;
void reload_config(int i);
void bad_quit(int i);
void check_rlimits();
void rlimit_cpu_reached(int i);
void rlimit_bigfile_reached(int i);
void conf_die(bip_t *bip, char *fmt, ...);
int fireup(bip_t *bip, FILE *conf);
int do_pid_stuff(void);
static void usage(char *name)
{
printf(
"Usage: %s [-f config_file] [-h] [-n]\n"
" -f config_file: Use config_file as the configuration file\n"
" If no config file is given %s will try to open ~/.bip/" S_CONF "\n"
" -n: Don't daemonize, log in stderr\n"
" -s: Bip HOME, default parent directory for client certificate,\n"
" configuration, logs, pid, oidentd\n"
" -v: Print version and exit\n"
" -h: This help\n", name, name);
exit(1);
}
static void version()
{
printf(
"Bip IRC Proxy - " PACKAGE_VERSION "\n"
"Copyright © Arnaud Cornet and Loïc Gomez (2004 - 2008)\n"
"Distributed under the GNU Public License Version 2\n");
}
static void log_file_setup(void)
{
char buf[4096];
if (conf_log_system && conf_daemonize) {
if (conf_global_log_file && conf_global_log_file != stderr)
fclose(conf_global_log_file);
snprintf(buf, 4095, "%s/bip.log", conf_log_root);
FILE *f = fopen(buf, "a");
if (!f)
fatal("Can't open %s: %s", buf, strerror(errno));
conf_global_log_file = f;
} else {
conf_global_log_file = stderr;
}
}
static pid_t daemonize(void)
{
switch (fork()) {
case -1:
fatal("Fork failed");
break;
case 0:
break;
default:
_exit(0);
}
if (setsid() < 0)
fatal("setsid() failed");
switch (fork()) {
case -1:
fatal("Fork failed");
break;
case 0:
break;
default:
_exit(0);
}
close(0);
close(1);
close(2);
/* This better be the very last action since fatal makes use of
* conf_global_log_file */
return getpid();
}
int main(int argc, char **argv)
{
FILE *conf = NULL;
char *confpath = NULL;
int ch;
int r, fd;
char buf[30];
bip_t bip;
bip_init(&bip);
_bip = &bip;
conf_ip = bip_strdup("0.0.0.0");
conf_port = 7778;
conf_css = 0;
signal(SIGPIPE, SIG_IGN);
signal(SIGHUP, reload_config);
signal(SIGINT, bad_quit);
signal(SIGQUIT, bad_quit);
signal(SIGTERM, bad_quit);
signal(SIGXFSZ, rlimit_bigfile_reached);
signal(SIGXCPU, rlimit_cpu_reached);
conf_log_root = NULL;
conf_log_format = bip_strdup(DEFAULT_LOG_FORMAT);
conf_log_level = DEFAULT_LOG_LEVEL;
conf_reconn_timer = DEFAULT_RECONN_TIMER;
conf_daemonize = 1;
conf_global_log_file = stderr;
conf_pid_file = NULL;
#ifdef HAVE_LIBSSL
conf_ssl_certfile = NULL;
conf_client_ciphers = NULL;
conf_server_default_ciphers = NULL;
conf_client_dh_file = NULL;
#endif
while ((ch = getopt(argc, argv, "hvnf:s:")) != -1) {
switch (ch) {
case 'f':
confpath = bip_strdup(optarg);
break;
case 'n':
conf_daemonize = 0;
break;
case 's':
conf_biphome = bip_strdup(optarg);
break;
case 'v':
version();
exit(0);
break;
default:
version();
usage(argv[0]);
}
}
umask(0027);
check_rlimits();
char *home = NULL; /* oidentd path searching ignores conf_biphome */
home = getenv("HOME");
if (!home && !conf_biphome) {
conf_die(&bip, "no value for environment variable $HOME,"
"use '-s' parameter");
return 0;
}
if (!conf_biphome) {
conf_biphome = bip_malloc(strlen(home) + strlen("/.bip") + 1);
strcpy(conf_biphome, home);
strcat(conf_biphome, "/.bip");
}
#ifdef HAVE_OIDENTD
if (!bip.oidentdpath) {
bip.oidentdpath = bip_malloc(strlen(conf_biphome) + 1 +
strlen(OIDENTD_FILENAME) + 1);
strcpy(bip.oidentdpath, conf_biphome);
strcat(bip.oidentdpath, "/");
strcat(bip.oidentdpath, OIDENTD_FILENAME);
}
#endif
if (!confpath) {
confpath = bip_malloc(strlen(conf_biphome) + 1 +
strlen(S_CONF) + 1);
strcpy(confpath, conf_biphome);
strcat(confpath, "/");
strcat(confpath, S_CONF);
}
conf = fopen(confpath, "r");
if (!conf)
fatal("config file not found");
r = fireup(&bip, conf);
fclose(conf);
if (!r)
fatal("Not starting: error in config file.");
if (!conf_log_root) {
char *ap = "/logs";
conf_log_root = bip_malloc(strlen(conf_biphome) +
strlen(ap) + 1);
strcpy(conf_log_root, conf_biphome);
strcat(conf_log_root, ap);
mylog(LOG_INFO, "Default log root: %s", conf_log_root);
}
if (!conf_pid_file) {
char *pid = "/bip.pid";
conf_pid_file = bip_malloc(strlen(conf_biphome) +
strlen(pid) + 1);
strcpy(conf_pid_file, conf_biphome);
strcat(conf_pid_file, pid);
mylog(LOG_INFO, "Default pid file: %s", conf_pid_file);
}
#ifdef HAVE_LIBSSL
if (conf_css) {
int e;
struct stat fs;
if (!conf_ssl_certfile) {
conf_ssl_certfile = default_path(conf_biphome, "bip.pem",
"SSL certificate");
}
assert_path_exists(conf_ssl_certfile);
e = stat(conf_ssl_certfile, &fs);
if (e)
mylog(LOG_WARN, "Unable to check PEM file, stat(%s): "
"%s", conf_ssl_certfile, strerror(errno));
else if ((fs.st_mode & S_IROTH) | (fs.st_mode & S_IWOTH))
mylog(LOG_ERROR, "PEM file %s should not be world "
"readable / writable. Please fix the modes.",
conf_ssl_certfile);
if (conf_client_dh_file) {
assert_path_exists(conf_client_dh_file);
}
}
#endif
check_dir(conf_log_root, 1);
fd = do_pid_stuff();
pid_t pid = 0;
log_file_setup();
if (conf_daemonize)
pid = daemonize();
else
pid = getpid();
snprintf(buf, 29, "%ld\n", (long unsigned int)pid);
write(fd, buf, strlen(buf));
close(fd);
bip.listener = listen_new(conf_ip, conf_port, conf_css);
if (!bip.listener || bip.listener->connected == CONN_ERROR)
fatal("Could not create listening socket");
for (;;) {
irc_main(&bip);
sighup = 0;
conf = fopen(confpath, "r");
if (!conf)
fatal("%s config file not found", confpath);
fireup(&bip, conf);
fclose(conf);
/* re-open to allow logfile rotate */
log_file_setup();
}
return 1;
}