static int try_mail_dotlock(const char *dotlock, char *idbuf)
{
char timebuf[NUMBUFSIZE];
char pidbuf[NUMBUFSIZE];
char *tmpname;
int rc;
libmail_str_time_t(time(NULL), timebuf);
libmail_str_pid_t(getpid(), pidbuf);
tmpname=malloc(strlen(dotlock) + strlen(timebuf) + strlen(pidbuf) +
strlen(idbuf) + 10);
if (!tmpname)
return -1;
strcpy(tmpname, dotlock);
strcat(tmpname, ".");
strcat(tmpname, timebuf);
strcat(tmpname, ".");
strcat(tmpname, pidbuf);
strcat(tmpname, ".");
strcat(tmpname, strchr(idbuf, ':')+1);
rc=try_dotlock(tmpname, dotlock, idbuf);
free(tmpname);
return (rc);
}
static void getid(char *idbuf)
{
libmail_str_pid_t(getpid(), idbuf);
while (*idbuf)
idbuf++;
*idbuf++=':';
idbuf[IDBUFSIZE-NUMBUFSIZE-10]=0;
if (gethostname(idbuf, IDBUFSIZE-NUMBUFSIZE-10) < 0)
strcpy(idbuf, "localhost");
}
void ll_daemon_started(const char *pidfile, int fd)
{
char buf[NUMBUFSIZE+1];
char *p=strcat(libmail_str_pid_t(getpid(), buf), "\n");
size_t l=strlen(p);
FILE *fp;
if ((fp=fopen(pidfile, "w")) == NULL ||
fprintf(fp, "%s", p) < 0 || fflush(fp) < 0 || fclose(fp))
{
perror(pidfile);
exit(1);
}
write(fd, "", 1); /* Signal waiting parent */
close(fd);
}
char *rfc2045_mk_boundary(struct rfc2045 *s, int fd)
{
char hostnamebuf[256];
pid_t mypid;
char pidbuf[NUMBUFSIZE];
time_t mytime;
char timebuf[NUMBUFSIZE];
static size_t cnt=0;
char cntbuf[NUMBUFSIZE];
char *p;
int rc;
hostnamebuf[sizeof(hostnamebuf)-1]=0;
if (gethostname(hostnamebuf, sizeof(hostnamebuf)-1))
hostnamebuf[0]=0;
mypid=getpid();
time(&mytime);
libmail_str_pid_t(mypid, pidbuf);
libmail_str_time_t(mytime, timebuf);
for (;;)
{
char tempbuf[NUMBUFSIZE];
libmail_str_size_t(++cnt, tempbuf);
sprintf(cntbuf, "%4s", tempbuf);
for (p=cntbuf; *p == ' '; *p++ = '0')
;
p=malloc(strlen(hostnamebuf)+strlen(pidbuf)
+strlen(timebuf)+strlen(cntbuf)+11);
if (!p)
{
rfc2045_enomem();
return (NULL);
}
sprintf(p, "=_%s-%s-%s-%s", hostnamebuf,
pidbuf, timebuf, cntbuf);
if ((rc=rfc2045_try_boundary(s, fd, p)) == 0)
break;
free(p);
if (rc < 0)
return (NULL);
}
return (p);
}
static int maildir_tmpcreate_fd_do(struct maildir_tmpcreate_info *info)
{
const char *maildir=info->maildir;
const char *uniq=info->uniq;
const char *hostname=info->hostname;
char hostname_buf[256];
char time_buf[NUMBUFSIZE];
char usec_buf[NUMBUFSIZE];
char pid_buf[NUMBUFSIZE];
char len_buf[NUMBUFSIZE+3];
char dev_buf[NUMBUFSIZE];
char ino_buf[NUMBUFSIZE];
struct timeval tv;
struct stat stat_buf;
int fd;
if (!maildir)
maildir=".";
if (!uniq)
uniq="";
if (!hostname || !*hostname)
{
hostname_buf[sizeof(hostname_buf)-1]=0;
if (gethostname(hostname_buf, sizeof(hostname_buf)-1) < 0)
strcpy(hostname_buf, "localhost");
hostname=hostname_buf;
}
gettimeofday(&tv, NULL);
libmail_str_time_t(tv.tv_sec, time_buf);
libmail_str_time_t(tv.tv_usec, usec_buf);
libmail_str_pid_t(getpid(), pid_buf);
len_buf[0]=0;
if (info->msgsize > 0)
{
strcpy(len_buf, ",S=");
libmail_str_size_t(info->msgsize, len_buf+3);
}
if (info->tmpname)
free(info->tmpname);
info->tmpname=malloc(strlen(maildir)+strlen(uniq)+
strlen(hostname)+strlen(time_buf)+
strlen(usec_buf)+
strlen(pid_buf)+strlen(len_buf)+100);
if (!info->tmpname)
{
maildir_tmpcreate_free(info);
return -1;
}
strcpy(info->tmpname, maildir);
strcat(info->tmpname, "/tmp/");
strcat(info->tmpname, time_buf);
strcat(info->tmpname, ".M");
strcat(info->tmpname, usec_buf);
strcat(info->tmpname, "P");
strcat(info->tmpname, pid_buf);
if (*uniq)
strcat(strcat(info->tmpname, "_"), uniq);
strcat(info->tmpname, ".");
strcat(info->tmpname, hostname);
strcat(info->tmpname, len_buf);
if (stat( info->tmpname, &stat_buf) == 0)
{
maildir_tmpcreate_free(info);
errno=EAGAIN;
return -1;
}
if (errno != ENOENT)
{
maildir_tmpcreate_free(info);
if (errno == EAGAIN)
errno=EIO;
return -1;
}
if ((fd=maildir_safeopen_stat(info->tmpname, O_CREAT|O_RDWR|O_TRUNC,
info->openmode, &stat_buf)) < 0)
{
maildir_tmpcreate_free(info);
return -1;
}
libmail_strh_dev_t(stat_buf.st_dev, dev_buf);
libmail_strh_ino_t(stat_buf.st_ino, ino_buf);
if (info->newname)
free(info->newname);
info->newname=NULL;
if (info->curname)
free(info->curname);
info->curname=NULL;
info->newname=malloc(strlen(info->tmpname)+strlen(ino_buf)+
strlen(dev_buf)+3);
if (info->newname)
{
info->curname=malloc(strlen(info->tmpname)+strlen(ino_buf)+
strlen(dev_buf)+3);
if (!info->curname)
{
free(info->newname);
info->newname=NULL;
}
}
if (!info->newname)
{
maildir_tmpcreate_free(info);
unlink(info->tmpname);
close(fd);
if (errno == EAGAIN)
errno=EIO;
return -1;
}
strcpy(info->newname, maildir);
strcat(info->newname, "/new/");
strcat(info->newname, time_buf);
strcat(info->newname, ".M");
strcat(info->newname, usec_buf);
strcat(info->newname, "P");
strcat(info->newname, pid_buf);
strcat(info->newname, "V");
strcat(info->newname, dev_buf);
strcat(info->newname, "I");
strcat(info->newname, ino_buf);
if (*uniq)
strcat(strcat(info->newname, "_"), uniq);
strcat(info->newname, ".");
strcat(info->newname, hostname);
strcat(info->newname, len_buf);
strcpy(info->curname, info->newname);
memcpy(info->curname + strlen(maildir)+1, "cur", 3);
return fd;
}
