int Maildir::MaildirOpen(const char *dir, Mio &file, off_t s)
{
Buffer buf;
struct maildirsize quotainfo;
const char *quotap;
Buffer quotabuf;
quotabuf="MAILDIRQUOTA"; /* Reuse a convenient buffer */
quotabuf= *GetVar(quotabuf);
quotabuf += '\0';
quotap=quotabuf;
if (!*quotap)
quotap=NULL;
MaildirAbort();
AlarmTimer abort_timer;
static long counter=0;
buf.set(counter++);
buf += '\0';
struct maildir_tmpcreate_info createInfo;
maildir_tmpcreate_init(&createInfo);
createInfo.maildir=dir;
createInfo.uniq=(const char *)buf;
createInfo.msgsize=s;
createInfo.openmode=0666;
abort_timer.Set( 24 * 60 * 60 );
while (!abort_timer.Expired())
{
Buffer name_buf;
name_buf="UMASK";
const char *um=GetVarStr(name_buf);
unsigned int umask_val=077;
sscanf(um, "%o", &umask_val);
umask_val=umask(umask_val);
int f=maildir_tmpcreate_fd(&createInfo);
umask(umask_val);
if (f >= 0)
{
Buffer b;
b="FLAGS";
const char *flags=GetVarStr(b);
tmpname=createInfo.tmpname;
tmpname += '\0';
if (flags)
{
const char *p=flags;
while (*p)
{
if (strchr("DRSF", *p) == NULL)
{
f=0;
break;
}
++p;
}
}
if (flags && *flags)
{
newname=createInfo.curname;
newname += ':';
newname += '2';
newname += ',';
newname += flags;
}
else
{
newname=createInfo.newname;
}
newname += '\0';
maildir_tmpcreate_free(&createInfo);
file.fd(f);
is_open=1;
maildirRoot=dir;
maildirRoot += '\0';
if (maildir_quota_add_start(dir, "ainfo, s,
1, quotap))
{
file.fd(-1);
unlink( (const char *)tmpname );
is_open=0;
maildir_deliver_quota_warning(dir,
quota_warn_percent,
quota_warn_message);
merr << "maildrop: maildir over quota.\n";
return (-1);
}
maildir_quota_add_end("ainfo, s, 1);
return (0);
}
if (errno != EAGAIN)
{
merr << "maildrop: " << dir << ": " << strerror(errno)
<< "\n";
return -1;
}
AlarmSleep try_again(2);
}
merr << "maildrop: time out on maildir directory.\n";
return (-1);
}
static long deliver(int fdin, const char *dir, long s,
int auto_create, int quota_warn_percent, const char *pfix,
const char *newquota)
{
struct maildir_tmpcreate_info createInfo;
char buf[BUFSIZ];
int n;
long ss=0;
int fd;
maildir_tmpcreate_init(&createInfo);
createInfo.maildir=dir;
createInfo.uniq=pfix;
createInfo.msgsize=s;
createInfo.doordie=1;
while ((fd=maildir_tmpcreate_fd(&createInfo)) < 0)
{
if (errno == ENOENT && auto_create && maildir_mkdir(dir) == 0)
{
auto_create=0;
continue;
}
perror(dir);
exit(EX_TEMPFAIL);
}
while ((n=read(fdin, buf, sizeof(buf))) > 0)
{
char *p=buf;
ss += n;
while (n)
{
int l;
if ((l=write(fd, p, n)) < 0)
{
close(fd);
unlink(createInfo.tmpname);
perror(createInfo.tmpname);
exit(EX_IOERR);
}
p += l;
n -= l;
}
}
close(fd);
if (n < 0)
{
unlink(createInfo.tmpname);
perror(createInfo.tmpname);
exit(EX_IOERR);
}
if (s != ss)
{
char *qq;
struct maildirsize info;
if (s) *strrchr(createInfo.newname, ',')=0;
/* Zap incorrect size */
qq=malloc(strlen(createInfo.newname)+100);
if (!qq)
{
unlink(createInfo.tmpname);
perror(createInfo.tmpname);
exit(EX_OSERR);
}
sprintf(qq, "%s,S=%ld", createInfo.newname, ss-s);
free(createInfo.newname);
createInfo.newname=qq;
if (maildirquota_countfolder(dir))
{
if (maildir_quota_add_start(dir, &info, ss-s, 1,
newquota))
{
unlink(createInfo.tmpname);
printf("Mail quota exceeded.\n");
exit(EX_NOPERM);
}
maildir_quota_add_end(&info, ss-s, 1);
}
}
if (maildir_movetmpnew(createInfo.tmpname, createInfo.newname))
{
unlink(createInfo.tmpname);
perror(createInfo.tmpname);
exit(EX_IOERR);
}
maildir_tmpcreate_free(&createInfo);
if (quota_warn_percent >= 0)
maildir_deliver_quota_warning(dir, quota_warn_percent);
return (ss);
}
void Maildir::MaildirSave()
{
if (is_open)
{
Buffer keywords;
keywords="KEYWORDS";
keywords=*GetVar(keywords);
keywords += '\0';
const char *keywords_s=keywords;
while (*keywords_s && *keywords_s == ',')
++keywords_s;
if (*keywords_s)
{
struct libmail_kwHashtable kwh;
struct libmail_kwMessage *kwm;
libmail_kwhInit(&kwh);
if ((kwm=libmail_kwmCreate()) == NULL)
throw strerror(errno);
while (*keywords_s)
{
const char *p=keywords_s;
while (*keywords_s && *keywords_s != ',')
++keywords_s;
char *n=new char [keywords_s - p + 1];
if (!n)
{
libmail_kwmDestroy(kwm);
throw strerror(errno);
}
memcpy(n, p, keywords_s - p);
n[keywords_s - p]=0;
while (*keywords_s && *keywords_s == ',')
++keywords_s;
if (libmail_kwmSetName(&kwh, kwm, n) < 0)
{
delete n;
libmail_kwmDestroy(kwm);
throw strerror(errno);
}
delete n;
}
char *tmpkname, *newkname;
if (maildir_kwSave( (const char *)maildirRoot,
strrchr(newname, '/')+1, kwm,
&tmpkname, &newkname, 0) < 0)
{
libmail_kwmDestroy(kwm);
throw "maildir_kwSave() failed.";
}
libmail_kwmDestroy(kwm);
if (rename(tmpkname, newkname) < 0)
{
/* Maybe the keyword directory needs creating */
struct stat stat_buf;
if (stat(maildirRoot, &stat_buf) < 0)
{
free(tmpkname);
free(newkname);
throw strerror(errno);
}
char *keywordDir=strrchr(newkname, '/');
*keywordDir=0;
mkdir(newkname, 0700);
chmod(newkname, stat_buf.st_mode & 0777);
*keywordDir='/';
if (rename(tmpkname, newkname) < 0)
{
free(tmpkname);
free(newkname);
throw strerror(errno);
}
}
free(tmpkname);
free(newkname);
}
Buffer dir;
if (link( (const char *)tmpname, (const char *)newname) < 0)
{
if (errno == EXDEV){
if(rename((const char *)tmpname, (const char *)newname) < 0)
throw "rename() failed.";
is_afs = 1;
}
else
{
throw "link() failed.";
}
}
dir=newname;
const char *p=dir;
const char *q=strrchr(p, '/');
if (q)
{
dir.Length(q-p);
dir.push((char)0);
#if EXPLICITDIRSYNC
int syncfd=open(dir, O_RDONLY);
if (syncfd >= 0)
{
fsync(syncfd);
close(syncfd);
}
#endif
dir.Length(q-p);
dir += "/../";
dir.push((char)0);
maildir_deliver_quota_warning(dir, quota_warn_percent,
quota_warn_message);
}
}
}
int main(int argc, char **argv)
{
const char *dir;
struct stat stat_buf;
int auto_create = 0;
int quota_warn_percent = -1;
int i;
const char *quota=NULL;
for (i=1; i<argc; i++)
{
if (strcmp(argv[i], "-c") == 0)
{
auto_create = 1;
continue;
}
if (strcmp(argv[i], "-w") == 0 && argc - i > 1)
{
quota_warn_percent = atoi(argv[i+1]);
++i;
continue;
}
break;
}
if (i >= argc || quota_warn_percent < -1 || quota_warn_percent > 100)
{
fprintf(stderr, "Usage: %s [-c] [-w percent] maildir\n",
argv[0]);
exit(73);
}
dir=argv[i];
++i;
if (i < argc)
quota=argv[i];
if (fstat(0, &stat_buf) == 0 && S_ISREG(stat_buf.st_mode) &&
stat_buf.st_size > 0)
{
struct maildirsize info;
int doquota=maildirquota_countfolder(dir);
if (doquota &&
maildir_quota_add_start(dir, &info, stat_buf.st_size, 1,
quota))
{
if (quota_warn_percent >= 0)
maildir_deliver_quota_warning(dir, quota_warn_percent);
printf("Mail quota exceeded.\n");
exit(77);
}
deliver(0, dir, stat_buf.st_size,
auto_create, quota_warn_percent, NULL, quota);
if (doquota)
maildir_quota_add_end(&info, stat_buf.st_size, 1);
exit(0);
}
deliver(0, dir, 0, auto_create, quota_warn_percent, NULL, quota);
exit(0);
}
