void
zprimitive ( strnumber s , halfword c , halfword o )
{
poolpointer k ;
smallnumber j ;
smallnumber l ;
k = strstart [s ];
l = strstart [s + 1 ]- k ;
{register integer for_end; j = 0 ;for_end = l - 1 ; if ( j <= for_end) do
buffer [j ]= strpool [k + j ];
while ( j++ < for_end ) ;}
cursym = idlookup ( 0 , l ) ;
if ( s >= 256 )
{
flushstring ( strptr - 1 ) ;
hash [cursym ].v.RH = s ;
}
eqtb [cursym ].lhfield = c ;
eqtb [cursym ].v.RH = o ;
}
/* Add tag data
* Args: Interface pointer, buffer for tags
* Returns: Length of tag buffer on success
*/
size_t gettag(iface_t *ifa, char *buf, senblk_t *sptr)
{
char *ptr=buf;
char *nameptr;
int first=1;
struct timeval tv;
unsigned char cksum;
size_t len;
*ptr++='\\';
if (ifa->tagflags & TAG_SRC){
first=0;
memcpy(ptr,"s:",2);
ptr+=2;
if (ifa->tagflags & TAG_ISRC) {
if ((nameptr=idlookup(sptr->src))==NULL)
nameptr=DEFSRCNAME;
} else
nameptr=(ifa->name)?ifa->name:DEFSRCNAME;
for (len=0;*nameptr && len < 15; len++)
*ptr++=*nameptr++;
}
if (ifa->tagflags & TAG_TS) {
if (!first)
*ptr++=',';
memcpy(ptr,"c:",2);
ptr+=2;
(void) gettimeofday(&tv,NULL);
ptr+=sprintf(ptr,"%010u",(unsigned) tv.tv_sec);
if (ifa->tagflags & TAG_MS)
ptr += sprintf(ptr,"%03u",((unsigned) tv.tv_usec+500)/1000);
}
/* Don't include initial '/' */
cksum=calcsum(buf+1,(len=ptr-buf)-1);
len+=sprintf(ptr,"*%02X\\",cksum);
return(len);
}
void
sfsconst_init (bool lite_mode)
{
if (const_set)
return;
const_set = true;
{
char *p = safegetenv ("SFS_RELEASE");
if (!p || !convertint (p, &sfs_release)) {
str rel (strbuf () << "SFS_RELEASE=" << sfs_release);
xputenv (const_cast<char*>(rel.cstr()));
}
}
#ifdef MAINTAINER
if (char *p = safegetenv ("SFS_RUNINPLACE")) {
runinplace = true;
builddir = p;
buildtmpdir = builddir << "/runinplace";
}
if (char *p = safegetenv ("SFS_ROOT"))
if (*p == '/')
sfsroot = p;
#endif /* MAINTAINER */
sfsdevdb = strbuf ("%s/.devdb", sfsroot);
#ifdef MAINTAINER
if (runinplace) {
sfsdir = buildtmpdir;
sfssockdir = sfsdir;
etc3dir = etc1dir;
etc1dir = sfsdir.cstr();
etc2dir = xstrdup (str (builddir << "/etc"));
}
#endif /* MAINTAINER */
if (char *ps = safegetenv ("SFS_PORT"))
if (int pv = atoi (ps))
sfs_defport = pv;
str sfs_config = safegetenv ("SFS_CONFIG");
if (sfs_config && sfs_config[0] == '/') {
if (!parseconfig (NULL, sfs_config))
fatal << sfs_config << ": " << strerror (errno) << "\n";
}
else {
if (!parseconfig (etc3dir, sfs_config)) {
parseconfig (etc3dir, "sfs_config");
if (!parseconfig (etc2dir, sfs_config)) {
parseconfig (etc2dir, "sfs_config");
if (!parseconfig (etc1dir, sfs_config))
parseconfig (etc1dir, "sfs_config");
}
}
}
if (!lite_mode) {
if (!sfs_uid)
idlookup (NULL, NULL);
}
if (char *p = getenv ("SFS_HASHCOST")) {
sfs_hashcost = strtoi64 (p);
if (sfs_hashcost > sfs_maxhashcost)
sfs_hashcost = sfs_maxhashcost;
}
if (!getuid () && !runinplace) {
mksfsdir (sfsdir, 0755);
mksfsdir (sfssockdir, 0750);
}
else if (runinplace && access (sfsdir, 0) < 0) {
struct stat sb;
if (!stat (builddir, &sb)) {
mode_t m = umask (0);
if (!getuid ()) {
if (pid_t pid = fork ())
waitpid (pid, NULL, 0);
else {
umask (0);
setgid (sfs_gid);
setuid (sb.st_uid);
if (mkdir (sfsdir, 02770) >= 0)
rc_ignore (chown (sfsdir, (uid_t) -1, sfs_gid));
_exit (0);
}
}
else
mkdir (sfsdir, 0777);
umask (m);
}
}
}
static bool
parseconfig (const char *dir, const char *file)
{
str cf;
if (!file)
return false;
if (file[0] == '/')
cf = file;
else if (!dir)
return false;
else
cf = strbuf ("%s/%s", dir, file);
if (access (cf, F_OK) < 0) {
if (errno != ENOENT)
warn << cf << ": " << strerror (errno) << "\n";
return false;
}
conftab ct;
bool dirset = false;
ct.add ("RSASize", &sfs_rsasize, sfs_minrsasize, sfs_maxrsasize)
.add ("DLogSize", &sfs_dlogsize, sfs_mindlogsize, sfs_maxdlogsize)
.add ("PwdCost", &sfs_pwdcost, 0, 32)
.add ("LogPriority", &syslog_priority)
.add ("sfsdir", wrap (&got_sfsdir, &dirset));
str uid, gid, nuid, ngid, resvgidlow, resvgidhigh;
bool errors = false;
parseargs pa (cf);
int line;
vec<str> av;
while (pa.getline (&av, &line)) {
if (!strcasecmp (av[0], "sfsuser")) {
if (uid) {
errors = true;
warn << cf << ":" << line << ": Duplicate sfsuser directive\n";
}
else if (av.size () == 2)
uid = gid = av[1];
else if (av.size () == 3) {
uid = av[1];
gid = av[2];
}
else {
errors = true;
warn << cf << ":" << line << ": usage: sfsuser user [group]\n";
}
}
else if (!strcasecmp (av[0], "anonuser")) {
if (nuid) {
errors = true;
warn << cf << ":" << line << ": Duplicate anonuser directive\n";
}
else if (av.size () == 2)
nuid = av[1];
else if (av.size () == 3) {
nuid = av[1];
ngid = av[2];
}
else {
errors = true;
warn << cf << ":" << line << ": usage: anonuser user [group]\n";
continue;
}
gid_t g;
if (ngid) {
if (!convertint (ngid, &g)) {
if (struct group *gr = getgrnam (ngid))
g = gr->gr_gid;
else {
errors = true;
warn << cf << ":" << line << ": no group " << ngid << "\n";
ngid = NULL;
}
}
}
uid_t u;
if (!convertint (nuid, &u)) {
struct passwd *pw = getpwnam (nuid);
if (!pw) {
errors = true;
warn << cf << ":" << line << ": no user " << nuid << "\n";
continue;
}
nobody_uid = pw->pw_uid;
if (ngid)
nobody_gid = g;
else
nobody_gid = pw->pw_gid;
}
else if (ngid) {
nobody_uid = u;
nobody_gid = g;
}
else {
errors = true;
warn << cf << ":" << line << ": Must specify gid with numeric uid";
continue;
}
}
else if (!strcasecmp (av[0], "resvgids")) {
if (resvgidhigh) {
errors = true;
warn << cf << ":" << line << ": Duplicate resvgids directive\n";
}
else if (av.size () != 3) {
errors = true;
warn << cf << ":" << line << ": usage: resvgids lower upper\n";
}
else {
resvgidlow = av[1];
resvgidhigh = av[2];
}
}
else if (!ct.match (av, cf, line, &errors)) {
warn << cf << ":" << line << ": Unknown directive '"
<< av[0] << "'\n";
}
}
if (errors)
warn << "errors in " << cf << "\n";
if (uid)
idlookup (uid, gid);
resvgidset (resvgidlow, resvgidhigh);
return true;
}