#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/socket.h>
+#include <sys/syslog.h>
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
#include <pwd.h>
#include <errno.h>
#include <stdarg.h>
-#include <syslog.h>
#include <grp.h>
#ifdef HAVE_PTHREAD_H
#include <pthread.h>
#endif
#include "citadel.h"
#include "server.h"
-#include "dynloader.h"
+#include "serv_extensions.h"
#include "sysdep_decls.h"
#include "citserver.h"
#include "support.h"
#include "database.h"
#include "housekeeping.h"
#include "tools.h"
+#include "serv_crypto.h"
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
pthread_t initial_thread; /* tid for main() thread */
+int syslog_facility = (-1);
+
/*
* lprintf() ... Write logging information
* Note: the variable "buf" below needs to be large enough to handle any
* log data sent through this function. BE CAREFUL!
*/
-void lprintf(int loglevel, const char *format, ...) {
+void lprintf(enum LogLevel loglevel, const char *format, ...) {
va_list arg_ptr;
- char buf[4096];
-
+ char buf[SIZ];
+
va_start(arg_ptr, format);
- vsprintf(buf, format, arg_ptr);
+ vsnprintf(buf, sizeof(buf), format, arg_ptr);
va_end(arg_ptr);
- if (loglevel <= verbosity) {
+ if (syslog_facility >= 0) {
+ if (loglevel <= verbosity) {
+ /* Hackery -IO */
+ if (CC && CC->cs_pid) {
+ memmove(buf + 6, buf, sizeof(buf) - 6);
+ snprintf(buf, 6, "[%3d]", CC->cs_pid);
+ buf[5] = ' ';
+ }
+ syslog(loglevel, buf);
+ }
+ }
+ else if (loglevel <= verbosity) {
struct timeval tv;
struct tm *tim;
+ time_t unixtime;
gettimeofday(&tv, NULL);
- tim = localtime(&(tv.tv_sec));
+ /* Promote to time_t; types differ on some OSes (like darwin) */
+ unixtime = tv.tv_sec;
+ tim = localtime(&unixtime);
/*
* Log provides millisecond accuracy. If you need
* microsecond accuracy and your OS supports it, change
* %03ld to %06ld and remove " / 1000" after tv.tv_usec.
*/
- fprintf(stderr, "%04d/%02d/%02d %2d:%02d:%02d.%03ld %s",
- tim->tm_year + 1900, tim->tm_mon + 1, tim->tm_mday,
- tim->tm_hour, tim->tm_min, tim->tm_sec,
- (long)tv.tv_usec / 1000, buf);
+ if (CC && CC->cs_pid) {
+ fprintf(stderr,
+ "%04d/%02d/%02d %2d:%02d:%02d.%03ld [%3d] %s",
+ tim->tm_year + 1900, tim->tm_mon + 1,
+ tim->tm_mday, tim->tm_hour, tim->tm_min,
+ tim->tm_sec, (long)tv.tv_usec / 1000,
+ CC->cs_pid, buf);
+ } else {
+ fprintf(stderr,
+ "%04d/%02d/%02d %2d:%02d:%02d.%03ld %s",
+ tim->tm_year + 1900, tim->tm_mon + 1,
+ tim->tm_mday, tim->tm_hour, tim->tm_min,
+ tim->tm_sec, (long)tv.tv_usec / 1000, buf);
+ }
fflush(stderr);
}
ptr = malloc(tsize);
if (ptr == NULL) {
- lprintf(3, "DANGER! mallok(%d) at %s:%d failed!\n",
+ lprintf(CTDL_ALERT, "DANGER! mallok(%d) at %s:%d failed!\n",
tsize, tfile, tline);
return(NULL);
}
void init_sysdep(void) {
int a;
+#ifdef HAVE_OPENSSL
+ init_ssl();
+#endif
+
/* Set up a bunch of semaphores to be used for critical sections */
for (a=0; a<MAX_SEMAPHORES; ++a) {
pthread_mutex_init(&Critters[a], NULL);
* session to which the calling thread is currently bound.
*/
if (pthread_key_create(&MyConKey, NULL) != 0) {
- lprintf(1, "Can't create TSD key!! %s\n", strerror(errno));
+ lprintf(CTDL_CRIT, "Can't create TSD key!! %s\n", strerror(errno));
}
/*
*/
void begin_critical_section(int which_one)
{
- /* lprintf(9, "begin_critical_section(%d)\n", which_one); */
+ /* lprintf(CTDL_DEBUG, "begin_critical_section(%d)\n", which_one); */
/* ensure nobody ever tries to do a critical section within a
transaction; this could lead to deadlock. */
cdb_check_handles();
*/
void end_critical_section(int which_one)
{
- /* lprintf(9, "end_critical_section(%d)\n", which_one); */
+ /* lprintf(CTDL_DEBUG, "end_critical_section(%d)\n", which_one); */
pthread_mutex_unlock(&Critters[which_one]);
}
s = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
if (s < 0) {
- lprintf(1, "citserver: Can't create a socket: %s\n",
+ lprintf(CTDL_EMERG, "citserver: Can't create a socket: %s\n",
strerror(errno));
return(-1);
}
setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &i, sizeof(i));
if (bind(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
- lprintf(1, "citserver: Can't bind: %s\n",
+ lprintf(CTDL_EMERG, "citserver: Can't bind: %s\n",
strerror(errno));
close(s);
return(-1);
}
if (listen(s, actual_queue_len) < 0) {
- lprintf(1, "citserver: Can't listen: %s\n", strerror(errno));
+ lprintf(CTDL_EMERG, "citserver: Can't listen: %s\n", strerror(errno));
close(s);
return(-1);
}
i = unlink(sockpath);
if (i != 0) if (errno != ENOENT) {
- lprintf(1, "citserver: can't unlink %s: %s\n",
+ lprintf(CTDL_EMERG, "citserver: can't unlink %s: %s\n",
sockpath, strerror(errno));
return(-1);
}
s = socket(AF_UNIX, SOCK_STREAM, 0);
if (s < 0) {
- lprintf(1, "citserver: Can't create a socket: %s\n",
+ lprintf(CTDL_EMERG, "citserver: Can't create a socket: %s\n",
strerror(errno));
return(-1);
}
if (bind(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
- lprintf(1, "citserver: Can't bind: %s\n",
+ lprintf(CTDL_EMERG, "citserver: Can't bind: %s\n",
strerror(errno));
return(-1);
}
if (listen(s, actual_queue_len) < 0) {
- lprintf(1, "citserver: Can't listen: %s\n", strerror(errno));
+ lprintf(CTDL_EMERG, "citserver: Can't listen: %s\n", strerror(errno));
return(-1);
}
* Return a pointer to the CitContext structure bound to the thread which
* called this function. If there's no such binding (for example, if it's
* called by the housekeeper thread) then a generic 'master' CC is returned.
+ *
+ * It's inlined because it's used *VERY* frequently.
*/
-struct CitContext *MyContext(void) {
- struct CitContext *retCC;
- retCC = (struct CitContext *) pthread_getspecific(MyConKey);
- if (retCC == NULL) retCC = &masterCC;
- return(retCC);
+INLINE struct CitContext *MyContext(void) {
+ return ((pthread_getspecific(MyConKey) == NULL)
+ ? &masterCC
+ : (struct CitContext *) pthread_getspecific(MyConKey)
+ );
}
me = (struct CitContext *) mallok(sizeof(struct CitContext));
if (me == NULL) {
- lprintf(1, "citserver: can't allocate memory!!\n");
+ lprintf(CTDL_ALERT, "citserver: can't allocate memory!!\n");
return NULL;
}
memset(me, 0, sizeof(struct CitContext));
}
+/*
+ * buffer_output() ... tell client_write to buffer all output until
+ * instructed to dump it all out later
+ */
+void buffer_output(void) {
+ if (CC->buffering == 0) {
+ CC->buffering = 1;
+ CC->buffer_len = 0;
+ CC->output_buffer = mallok(SIZ);
+ }
+}
+
+/*
+ * unbuffer_output() ... dump out all that output we've been buffering.
+ */
+void unbuffer_output(void) {
+ if (CC->buffering == 1) {
+ CC->buffering = 0;
+ client_write(CC->output_buffer, CC->buffer_len);
+ phree(CC->output_buffer);
+ CC->output_buffer = NULL;
+ CC->buffer_len = 0;
+ }
+}
+
+
/*
* client_write() ... Send binary data to the client.
int bytes_written = 0;
int retval;
int sock;
-
+ int old_buffer_len = 0;
if (CC->redirect_fp != NULL) {
fwrite(buf, nbytes, 1, CC->redirect_fp);
sock = CC->client_socket;
}
+ /* If we're buffering for later, do that now. */
+ if (CC->buffering) {
+ old_buffer_len = CC->buffer_len;
+ CC->buffer_len += nbytes;
+ CC->output_buffer = reallok(CC->output_buffer, CC->buffer_len);
+ memcpy(&CC->output_buffer[old_buffer_len], buf, nbytes);
+ return;
+ }
+
+ /* Ok, at this point we're not buffering. Go ahead and write. */
+
+#ifdef HAVE_OPENSSL
+ if (CC->redirect_ssl) {
+ client_write_ssl(buf, nbytes);
+ return;
+ }
+#endif
+
while (bytes_written < nbytes) {
retval = write(sock, &buf[bytes_written],
nbytes - bytes_written);
if (retval < 1) {
- lprintf(2, "client_write() failed: %s\n",
+ lprintf(CTDL_ERR, "client_write() failed: %s\n",
strerror(errno));
if (sock == CC->client_socket) CC->kill_me = 1;
return;
struct timeval tv;
int retval;
+#ifdef HAVE_OPENSSL
+ if (CC->redirect_ssl) {
+ return (client_read_ssl(buf, bytes, timeout));
+ }
+#endif
len = 0;
while(len<bytes) {
FD_ZERO(&rfds);
rlen = read(CC->client_socket, &buf[len], bytes-len);
if (rlen<1) {
- lprintf(2, "client_read() failed: %s\n",
+ lprintf(CTDL_ERR, "client_read() failed: %s\n",
strerror(errno));
CC->kill_me = 1;
return(-1);
* (This is implemented in terms of client_read_to() and could be
* justifiably moved out of sysdep.c)
*/
-inline int client_read(char *buf, int bytes)
+INLINE int client_read(char *buf, int bytes)
{
return(client_read_to(buf, bytes, config.c_sleeping));
}
serviceptr = serviceptr->next ) {
if (serviceptr->tcp_port > 0)
- lprintf(3, "Closing listener on port %d\n",
+ lprintf(CTDL_INFO, "Closing listener on port %d\n",
serviceptr->tcp_port);
if (serviceptr->sockpath != NULL)
- lprintf(3, "Closing listener on '%s'\n",
+ lprintf(CTDL_INFO, "Closing listener on '%s'\n",
serviceptr->sockpath);
close(serviceptr->msock);
-/*
- * Tie in to the 'netsetup' program.
- *
- * (We're going to hope that netsetup never feeds more than 4096 bytes back.)
- */
-void cmd_nset(char *cmdbuf)
-{
- int retcode;
- char fbuf[4096];
- FILE *netsetup;
- int ch;
- int a, b;
- char netsetup_args[3][SIZ];
-
- if (CC->usersupp.axlevel < 6) {
- cprintf("%d Higher access required.\n",
- ERROR + HIGHER_ACCESS_REQUIRED);
- return;
- }
-
- for (a=1; a<=3; ++a) {
- if (num_parms(cmdbuf) >= a) {
- extract(netsetup_args[a-1], cmdbuf, a-1);
- for (b=0; b<strlen(netsetup_args[a-1]); ++b) {
- if (netsetup_args[a-1][b] == 34) {
- netsetup_args[a-1][b] = '_';
- }
- }
- }
- else {
- netsetup_args[a-1][0] = 0;
- }
- }
-
- sprintf(fbuf, "./netsetup \"%s\" \"%s\" \"%s\" </dev/null 2>&1",
- netsetup_args[0], netsetup_args[1], netsetup_args[2]);
- netsetup = popen(fbuf, "r");
- if (netsetup == NULL) {
- cprintf("%d %s\n", ERROR, strerror(errno));
- return;
- }
-
- fbuf[0] = 0;
- while (ch = getc(netsetup), (ch > 0)) {
- fbuf[strlen(fbuf)+1] = 0;
- fbuf[strlen(fbuf)] = ch;
- }
-
- retcode = pclose(netsetup);
-
- if (retcode != 0) {
- for (a=0; a<strlen(fbuf); ++a) {
- if (fbuf[a] < 32) fbuf[a] = 32;
- }
- fbuf[245] = 0;
- cprintf("%d %s\n", ERROR, fbuf);
- return;
- }
-
- cprintf("%d Command succeeded. Output follows:\n", LISTING_FOLLOWS);
- cprintf("%s", fbuf);
- if (fbuf[strlen(fbuf)-1] != 10) cprintf("\n");
- cprintf("000\n");
-}
-
-
-
/*
* Generic routine to convert a login name to a full name (gecos)
* Returns nonzero if a conversion took place
*/
void create_worker(void) {
int ret;
- struct worker_node *n = mallok(sizeof *n);
+ struct worker_node *n;
pthread_attr_t attr;
+ n = mallok(sizeof(struct worker_node));
if (n == NULL) {
- lprintf(1, "can't allocate worker_node, exiting\n");
+ lprintf(CTDL_EMERG, "can't allocate worker_node, exiting\n");
time_to_die = -1;
return;
}
if ((ret = pthread_attr_init(&attr))) {
- lprintf(1, "pthread_attr_init: %s\n", strerror(ret));
+ lprintf(CTDL_EMERG, "pthread_attr_init: %s\n", strerror(ret));
time_to_die = -1;
return;
}
- /* we seem to need something bigger than
- FreeBSD's default of 64K of stack. */
+ /* we seem to need something bigger than FreeBSD's default 64k stack */
if ((ret = pthread_attr_setstacksize(&attr, 128 * 1024))) {
- lprintf(1, "pthread_attr_setstacksize: %s\n", strerror(ret));
+ lprintf(CTDL_EMERG, "pthread_attr_setstacksize: %s\n", strerror(ret));
time_to_die = -1;
return;
}
if ((ret = pthread_create(&n->tid, &attr, worker_thread, NULL) != 0))
{
- lprintf(1, "Can't create worker thread: %s\n",
+ lprintf(CTDL_ALERT, "Can't create worker thread: %s\n",
strerror(ret));
}
* section, so we have to do it like this.
*/
if (rem != NULL) {
- lprintf(9, "Purging session %d\n", rem->cs_pid);
+ lprintf(CTDL_DEBUG, "Purging session %d\n", rem->cs_pid);
RemoveContext(rem);
}
struct ServiceFunctionHook *serviceptr;
int m;
- lprintf(9, "Initializing master fdset\n");
+ lprintf(CTDL_DEBUG, "Initializing master fdset\n");
FD_ZERO(&masterfds);
masterhighest = 0;
- lprintf(9, "Will listen on rescan pipe %d\n", rescan[0]);
+ lprintf(CTDL_DEBUG, "Will listen on rescan pipe %d\n", rescan[0]);
FD_SET(rescan[0], &masterfds);
if (rescan[0] > masterhighest) masterhighest = rescan[0];
for (serviceptr = ServiceHookTable; serviceptr != NULL;
serviceptr = serviceptr->next ) {
m = serviceptr->msock;
- lprintf(9, "Will listen on master socket %d\n", m);
+ lprintf(CTDL_DEBUG, "Will listen on master socket %d\n", m);
FD_SET(m, &masterfds);
if (m > masterhighest) {
masterhighest = m;
}
}
- lprintf(9, "masterhighest = %d\n", masterhighest);
+ lprintf(CTDL_DEBUG, "masterhighest = %d\n", masterhighest);
}
int retval;
struct CitContext *con= NULL; /* Temporary context pointer */
struct ServiceFunctionHook *serviceptr;
- struct sockaddr_in fsin; /* Data for master socket */
- int alen; /* Data for master socket */
int ssock; /* Descriptor for client socket */
struct timeval tv;
/*
* A naive implementation would have all idle threads
- * calling select() and then they'd all wake up at once. We
- * solve this problem by putting the select() in a critical
- * section, so only one thread has the opportunity to wake
- * up. If we wake up on a master socket, create a new
- * session context; otherwise, just bind the thread to the
- * context we want and go on our merry way.
+ * calling select() and then they'd all wake up at once
+ * (known in computer science as the "thundering herd"
+ * problem). We solve this problem by putting the select()
+ * in a critical section, so only one thread has the
+ * opportunity to wake up. If we wake up on a master
+ * socket, create a new session context; otherwise, just
+ * bind the thread to the context we want and go on our
+ * merry way.
*/
/* make doubly sure we're not holding any stale db handles
*/
if (retval < 0) {
if (errno != EINTR) {
- lprintf(9, "Exiting (%s)\n", strerror(errno));
+ lprintf(CTDL_EMERG, "Exiting (%s)\n", strerror(errno));
time_to_die = 1;
} else if (!time_to_die)
goto do_select;
serviceptr = serviceptr->next ) {
if (FD_ISSET(serviceptr->msock, &readfds)) {
- alen = sizeof fsin;
- ssock = accept(serviceptr->msock,
- (struct sockaddr *)&fsin, &alen);
+ ssock = accept(serviceptr->msock, NULL, 0);
if (ssock < 0) {
- lprintf(2, "citserver: accept(): %s\n",
+ lprintf(CTDL_CRIT,
+ "citserver: accept(): %s\n",
strerror(errno));
}
else {
- lprintf(7, "citserver: "
+ lprintf(CTDL_NOTICE,
"New client socket %d\n",
ssock);
+
+/*
+ * SyslogFacility()
+ * Translate text facility name to syslog.h defined value.
+ */
+int SyslogFacility(char *name)
+{
+ int i;
+ struct
+ {
+ int facility;
+ char *name;
+ } facTbl[] =
+ {
+ { LOG_KERN, "kern" },
+ { LOG_USER, "user" },
+ { LOG_MAIL, "mail" },
+ { LOG_DAEMON, "daemon" },
+ { LOG_AUTH, "auth" },
+ { LOG_SYSLOG, "syslog" },
+ { LOG_LPR, "lpr" },
+ { LOG_NEWS, "news" },
+ { LOG_UUCP, "uucp" },
+ { LOG_LOCAL0, "local0" },
+ { LOG_LOCAL1, "local1" },
+ { LOG_LOCAL2, "local2" },
+ { LOG_LOCAL3, "local3" },
+ { LOG_LOCAL4, "local4" },
+ { LOG_LOCAL5, "local5" },
+ { LOG_LOCAL6, "local6" },
+ { LOG_LOCAL7, "local7" },
+ { 0, NULL }
+ };
+ for(i = 0; facTbl[i].name != NULL; i++) {
+ if(!strcasecmp(name, facTbl[i].name))
+ return facTbl[i].facility;
+ }
+ return -1;
+}
+
projects / citadel.git / blobdiff