[adns] / regress / hplayback.c

#include <assert.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <fcntl.h>
#include "harness.h"
static FILE *Tinputfile, *Treportfile;
static vbuf vb2;
extern void Tshutdown(void) {
  adns__vbuf_free(&vb2);
}
static void Tensurereportfile(void) {
  const char *fdstr;
  int fd;
  if (Treportfile) return;
  Treportfile= stderr;
  fdstr= getenv("ADNS_TEST_REPORT_FD"); if (!fdstr) return;
  fd= atoi(fdstr);
  Treportfile= fdopen(fd,"a"); if (!Treportfile) Tfailed("fdopen ADNS_TEST_REPORT_FD");
}
static void Psyntax(const char *where) {
  fprintf(stderr,"adns test harness: syntax error in test log input file: %s\n",where);
  exit(-1);
}
static void Pcheckinput(void) {
  if (ferror(Tinputfile)) Tfailed("read test log input file");
  if (feof(Tinputfile)) Psyntax("eof at syscall reply");
}
static void Tensureinputfile(void) {
  const char *fdstr;
  int fd;
  int chars;
  unsigned long sec, usec;
  if (Tinputfile) return;
  Tinputfile= stdin;
  fdstr= getenv("ADNS_TEST_IN_FD");
  if (fdstr) {
    fd= atoi(fdstr);
    Tinputfile= fdopen(fd,"r"); if (!Tinputfile) Tfailed("fdopen ADNS_TEST_IN_FD");
  }
  setvbuf(Tinputfile,0,_IONBF,0);
  if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
  fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
  chars= -1;
  sscanf(vb2.buf," start %lu.%lu%n",&sec,&usec,&chars);
  if (chars==-1) Psyntax("start time invalid");
  currenttime.tv_sec= sec;
  currenttime.tv_usec= usec;
  if (vb2.buf[chars] != '\n') Psyntax("not newline after start time");
}
static void Parg(const char *argname) {
  int l;
  if (vb2.buf[vb2.used++] != ' ') Psyntax("not a space before argument");
  l= strlen(argname);
  if (memcmp(vb2.buf+vb2.used,argname,l)) Psyntax("argument name wrong");
  vb2.used+= l;
  if (vb2.buf[vb2.used++] != '=') Psyntax("not = after argument name");
}
static int Pstring_maybe(const char *string) {
  int l;
  l= strlen(string);
  if (memcmp(vb2.buf+vb2.used,string,l)) return 0;
  vb2.used+= l;
  return 1;
}
static void Pstring(const char *string, const char *emsg) {
  if (Pstring_maybe(string)) return;
  Psyntax(emsg);
}
static int Perrno(const char *stuff) {
  const struct Terrno *te;
  int r;
  char *ep;
  for (te= Terrnos; te->n && strcmp(te->n,stuff); te++);
  if (te->n) return te->v;
  r= strtoul(stuff+2,&ep,10);
  if (*ep) Psyntax("errno value not recognised, not numeric");
  return r;
}
static void P_updatetime(void) {
  int chars;
  unsigned long sec, usec;
  if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
  fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
  chars= -1;
  sscanf(vb2.buf," +%lu.%lu%n",&sec,&usec,&chars);
  if (chars==-1) Psyntax("update time invalid");
  currenttime.tv_sec+= sec;
  currenttime.tv_usec+= usec;
  if (currenttime.tv_usec > 1000000) {
    currenttime.tv_sec++;
    currenttime.tv_usec -= 1000000;
  }
  if (vb2.buf[chars] != '\n') Psyntax("not newline after update time");
}
static void Pfdset(fd_set *set, int max) {
  int r, c;
  char *ep;
  if (vb2.buf[vb2.used++] != '[') Psyntax("fd set start not [");
  FD_ZERO(set);
  if (vb2.buf[vb2.used] == ']') { vb2.used++; return; }
  for (;;) {
    r= strtoul(vb2.buf+vb2.used,&ep,10);
    if (r>=max) Psyntax("fd set member > max");
    if (ep == (char*)vb2.buf+vb2.used) Psyntax("empty entry in fd set");
    FD_SET(r,set);
    vb2.used= ep - (char*)vb2.buf;
    c= vb2.buf[vb2.used++];
    if (c == ']') break;
    if (c != ',') Psyntax("fd set separator not ,");
  }
}
#ifdef HAVE_POLL
static int Ppollfdevents(void) {
  int events;
  if (Pstring_maybe("0")) return 0;
  events= 0;
  if (Pstring_maybe("POLLIN")) {
    events |= POLLIN;
    if (!Pstring_maybe("|")) return events;
  }
  if (Pstring_maybe("POLLOUT")) {
    events |= POLLOUT;
    if (!Pstring_maybe("|")) return events;
  }
  Pstring("POLLPRI","pollfdevents PRI?");
  return events;
}
static void Ppollfds(struct pollfd *fds, int nfds) {
  int i;
  char *ep;
  const char *comma= "";
  if (vb2.buf[vb2.used++] != '[') Psyntax("pollfds start not [");
  for (i=0; i<nfds; i++) {
    Pstring("{fd=","{fd= in pollfds");
    fds->fd= strtoul(vb2.buf+vb2.used,&ep,10);
    vb2.used= ep - (char*)vb2.buf;    
    Pstring(", events=",", events= in pollfds");
    fds->events= Ppollfdevents();
    Pstring(", revents=",", revents= in pollfds");
    fds->revents= Ppollfdevents();
    Pstring("}","} in pollfds");
    Pstring(comma,"separator in pollfds");
    comma= ", ";
  }
  if (vb2.buf[vb2.used++] != ']') Psyntax("pollfds end not ]");
}
#endif
static void Paddr(struct sockaddr *addr, int *lenr) {
  struct sockaddr_in *sa= (struct sockaddr_in*)addr;
  char *p, *ep;
  long ul;
  assert(*lenr >= sizeof(*sa));
  p= strchr(vb2.buf+vb2.used,':');
  if (!p) Psyntax("no port on address");
  *p++= 0;
  memset(sa,0,sizeof(*sa));
  sa->sin_family= AF_INET;
  if (!inet_aton(vb2.buf+vb2.used,&sa->sin_addr)) Psyntax("invalid address");
  ul= strtoul(p,&ep,10);
  if (*ep && *ep != ' ') Psyntax("invalid port (bad syntax)");
  if (ul >= 65536) Psyntax("port too large");
  sa->sin_port= htons(ul);
  *lenr= sizeof(*sa);
  vb2.used= ep - (char*)vb2.buf;
}
static int Pbytes(byte *buf, int maxlen) {
  static const char hexdigits[]= "0123456789abcdef";
  int c, v, done;
  const char *pf;
  done= 0;
  for (;;) {
    c= getc(Tinputfile); Pcheckinput();
    if (c=='\n' || c==' ' || c=='\t') continue;
    if (c=='.') break;
    pf= strchr(hexdigits,c); if (!pf) Psyntax("invalid first hex digit");
    v= (pf-hexdigits)<<4;
    c= getc(Tinputfile); Pcheckinput();
    pf= strchr(hexdigits,c); if (!pf) Psyntax("invalid second hex digit");
    v |= (pf-hexdigits);
    if (maxlen<=0) Psyntax("buffer overflow in bytes");
    *buf++= v;
    maxlen--; done++;
  }
  for (;;) {
    c= getc(Tinputfile); Pcheckinput();
    if (c=='\n') return done;
  }
}
void Q_vb(void) {
  int r;
  const char *nl;
  Tensureinputfile();
  if (!adns__vbuf_ensure(&vb2,vb.used+2)) Tnomem();
  r= fread(vb2.buf,1,vb.used+2,Tinputfile);
  if (feof(Tinputfile)) {
    fprintf(stderr,"adns test harness: input ends prematurely; program did:\n %.*s\n",
           vb.used,vb.buf);
    exit(-1);
  }
  Pcheckinput();
  if (vb2.buf[0] != ' ') Psyntax("not space before call");
  if (memcmp(vb.buf,vb2.buf+1,vb.used) ||
      vb2.buf[vb.used+1] != '\n') {
    fprintf(stderr,
            "adns test harness: program did unexpected:\n %.*s\n"
            "was expecting:\n %.*s\n",
            vb.used,vb.buf, vb.used,vb2.buf+1);
    exit(1);
  }
  Tensurereportfile();
  nl= memchr(vb.buf,'\n',vb.used);
  fprintf(Treportfile," %.*s\n", (int)(nl ? nl - (const char*)vb.buf : vb.used), vb.buf);
}
int Hselect(	int max , fd_set *rfds , fd_set *wfds , fd_set *efds , struct timeval *to 	) {
 int r, amtread;
 char *ep;
 Qselect(	max , rfds , wfds , efds , to 	);
 if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
 fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
 Tensurereportfile();
 fprintf(Treportfile,"%s",vb2.buf);
 amtread= strlen(vb2.buf);
 if (amtread<=0 || vb2.buf[--amtread]!='\n')
  Psyntax("badly formed line");
 vb2.buf[amtread]= 0;
 if (memcmp(vb2.buf," select=",8)) Psyntax("syscall reply mismatch");
 if (vb2.buf[8] == 'E') {
  int e;
  e= Perrno(vb2.buf+8);
  P_updatetime();
  errno= e;
  return -1;
 }
  r= strtoul(vb2.buf+8,&ep,10);
  if (*ep && *ep!=' ') Psyntax("return value not E* or positive number");
  vb2.used= ep - (char*)vb2.buf;
	Parg("rfds"); Pfdset(rfds,max); 
	Parg("wfds"); Pfdset(wfds,max); 
	Parg("efds"); Pfdset(efds,max); 
 assert(vb2.used <= amtread);
 if (vb2.used != amtread) Psyntax("junk at end of line");
 P_updatetime();
 return r;
}
#ifdef HAVE_POLL
int Hpoll(	struct pollfd *fds , int nfds , int timeout 	) {
 int r, amtread;
 char *ep;
 Qpoll(	fds , nfds , timeout 	);
 if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
 fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
 Tensurereportfile();
 fprintf(Treportfile,"%s",vb2.buf);
 amtread= strlen(vb2.buf);
 if (amtread<=0 || vb2.buf[--amtread]!='\n')
  Psyntax("badly formed line");
 vb2.buf[amtread]= 0;
 if (memcmp(vb2.buf," poll=",6)) Psyntax("syscall reply mismatch");
 if (vb2.buf[6] == 'E') {
  int e;
  e= Perrno(vb2.buf+6);
  P_updatetime();
  errno= e;
  return -1;
 }
  r= strtoul(vb2.buf+6,&ep,10);
  if (*ep && *ep!=' ') Psyntax("return value not E* or positive number");
  vb2.used= ep - (char*)vb2.buf;
        Parg("fds"); Ppollfds(fds,nfds); 
 assert(vb2.used <= amtread);
 if (vb2.used != amtread) Psyntax("junk at end of line");
 P_updatetime();
 return r;
}
#endif
int Hsocket(	int domain , int type , int protocol 	) {
 int r, amtread;
 char *ep;
	Tmust("socket","domain",domain==AF_INET); 
  Tmust("socket","type",type==SOCK_STREAM || type==SOCK_DGRAM); 
 Qsocket(	 type 	);
 if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
 fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
 Tensurereportfile();
 fprintf(Treportfile,"%s",vb2.buf);
 amtread= strlen(vb2.buf);
 if (amtread<=0 || vb2.buf[--amtread]!='\n')
  Psyntax("badly formed line");
 vb2.buf[amtread]= 0;
 if (memcmp(vb2.buf," socket=",8)) Psyntax("syscall reply mismatch");
 if (vb2.buf[8] == 'E') {
  int e;
  e= Perrno(vb2.buf+8);
  P_updatetime();
  errno= e;
  return -1;
 }
  r= strtoul(vb2.buf+8,&ep,10);
  if (*ep && *ep!=' ') Psyntax("return value not E* or positive number");
  vb2.used= ep - (char*)vb2.buf;
 assert(vb2.used <= amtread);
 if (vb2.used != amtread) Psyntax("junk at end of line");
 P_updatetime();
 return r;
}
int Hfcntl(	int fd , int cmd , ... 	) {
 int r, amtread;
	va_list al; long arg; 
  Tmust("fcntl","cmd",cmd==F_SETFL || cmd==F_GETFL);
  if (cmd == F_SETFL) {
    va_start(al,cmd); arg= va_arg(al,long); va_end(al);
  } else {
    arg= 0;
  } 
 Qfcntl(	fd , cmd , arg 	);
 if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
 fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
 Tensurereportfile();
 fprintf(Treportfile,"%s",vb2.buf);
 amtread= strlen(vb2.buf);
 if (amtread<=0 || vb2.buf[--amtread]!='\n')
  Psyntax("badly formed line");
 vb2.buf[amtread]= 0;
 if (memcmp(vb2.buf," fcntl=",7)) Psyntax("syscall reply mismatch");
 if (vb2.buf[7] == 'E') {
  int e;
  e= Perrno(vb2.buf+7);
  P_updatetime();
  errno= e;
  return -1;
 }
  r= 0;
  if (cmd == F_GETFL) {
    if (!memcmp(vb2.buf+7,"O_NONBLOCK|...",14)) {
      r= O_NONBLOCK;
      vb2.used= 7+14;
    } else if (!memcmp(vb2.buf+7,"~O_NONBLOCK&...",15)) {
      vb2.used= 7+15;
    } else {
      Psyntax("fcntl flags not O_NONBLOCK|... or ~O_NONBLOCK&...");
    }
  } else if (cmd == F_SETFL) {
  if (memcmp(vb2.buf+7,"OK",2)) Psyntax("success/fail not E* or OK");
  vb2.used= 7+2;
  r= 0;
  } else {
    Psyntax("fcntl not F_GETFL or F_SETFL");
  }
 assert(vb2.used <= amtread);
 if (vb2.used != amtread) Psyntax("junk at end of line");
 P_updatetime();
 return r;
}
int Hconnect(	int fd , const struct sockaddr *addr , int addrlen 	) {
 int r, amtread;
 Qconnect(	fd , addr , addrlen 	);
 if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
 fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
 Tensurereportfile();
 fprintf(Treportfile,"%s",vb2.buf);
 amtread= strlen(vb2.buf);
 if (amtread<=0 || vb2.buf[--amtread]!='\n')
  Psyntax("badly formed line");
 vb2.buf[amtread]= 0;
 if (memcmp(vb2.buf," connect=",9)) Psyntax("syscall reply mismatch");
 if (vb2.buf[9] == 'E') {
  int e;
  e= Perrno(vb2.buf+9);
  P_updatetime();
  errno= e;
  return -1;
 }
  if (memcmp(vb2.buf+9,"OK",2)) Psyntax("success/fail not E* or OK");
  vb2.used= 9+2;
  r= 0;
 assert(vb2.used <= amtread);
 if (vb2.used != amtread) Psyntax("junk at end of line");
 P_updatetime();
 return r;
}
int Hclose(	int fd 	) {
 int r, amtread;
 Qclose(	fd 	);
 if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
 fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
 Tensurereportfile();
 fprintf(Treportfile,"%s",vb2.buf);
 amtread= strlen(vb2.buf);
 if (amtread<=0 || vb2.buf[--amtread]!='\n')
  Psyntax("badly formed line");
 vb2.buf[amtread]= 0;
 if (memcmp(vb2.buf," close=",7)) Psyntax("syscall reply mismatch");
 if (vb2.buf[7] == 'E') {
  int e;
  e= Perrno(vb2.buf+7);
  P_updatetime();
  errno= e;
  return -1;
 }
  if (memcmp(vb2.buf+7,"OK",2)) Psyntax("success/fail not E* or OK");
  vb2.used= 7+2;
  r= 0;
 assert(vb2.used <= amtread);
 if (vb2.used != amtread) Psyntax("junk at end of line");
 P_updatetime();
 return r;
}
int Hsendto(	int fd , const void *msg , int msglen , unsigned int flags , const struct sockaddr *addr , int addrlen 	) {
 int r, amtread;
 char *ep;
	Tmust("sendto","flags",flags==0); 
 Qsendto(	fd , msg , msglen , addr , addrlen 	);
 if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
 fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
 Tensurereportfile();
 fprintf(Treportfile,"%s",vb2.buf);
 amtread= strlen(vb2.buf);
 if (amtread<=0 || vb2.buf[--amtread]!='\n')
  Psyntax("badly formed line");
 vb2.buf[amtread]= 0;
 if (memcmp(vb2.buf," sendto=",8)) Psyntax("syscall reply mismatch");
 if (vb2.buf[8] == 'E') {
  int e;
  e= Perrno(vb2.buf+8);
  P_updatetime();
  errno= e;
  return -1;
 }
  r= strtoul(vb2.buf+8,&ep,10);
  if (*ep && *ep!=' ') Psyntax("return value not E* or positive number");
  vb2.used= ep - (char*)vb2.buf;
 assert(vb2.used <= amtread);
 if (vb2.used != amtread) Psyntax("junk at end of line");
 P_updatetime();
 return r;
}
int Hrecvfrom(	int fd , void *buf , int buflen , unsigned int flags , struct sockaddr *addr , int *addrlen 	) {
 int r, amtread;
	Tmust("recvfrom","flags",flags==0); 
	Tmust("recvfrom","*addrlen",*addrlen>=sizeof(struct sockaddr_in)); 
 Qrecvfrom(	fd , buflen , *addrlen 	);
 if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
 fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
 Tensurereportfile();
 fprintf(Treportfile,"%s",vb2.buf);
 amtread= strlen(vb2.buf);
 if (amtread<=0 || vb2.buf[--amtread]!='\n')
  Psyntax("badly formed line");
 vb2.buf[amtread]= 0;
 if (memcmp(vb2.buf," recvfrom=",10)) Psyntax("syscall reply mismatch");
 if (vb2.buf[10] == 'E') {
  int e;
  e= Perrno(vb2.buf+10);
  P_updatetime();
  errno= e;
  return -1;
 }
  if (memcmp(vb2.buf+10,"OK",2)) Psyntax("success/fail not E* or OK");
  vb2.used= 10+2;
  r= 0;
	Parg("addr"); Paddr(addr,addrlen); 
 assert(vb2.used <= amtread);
 if (vb2.used != amtread) Psyntax("junk at end of line");
	r= Pbytes(buf,buflen); 
 P_updatetime();
 return r;
}
int Hread(	int fd , void *buf , size_t buflen 	) {
 int r, amtread;
 Qread(	fd , buflen 	);
 if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
 fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
 Tensurereportfile();
 fprintf(Treportfile,"%s",vb2.buf);
 amtread= strlen(vb2.buf);
 if (amtread<=0 || vb2.buf[--amtread]!='\n')
  Psyntax("badly formed line");
 vb2.buf[amtread]= 0;
 if (memcmp(vb2.buf," read=",6)) Psyntax("syscall reply mismatch");
 if (vb2.buf[6] == 'E') {
  int e;
  e= Perrno(vb2.buf+6);
  P_updatetime();
  errno= e;
  return -1;
 }
  if (memcmp(vb2.buf+6,"OK",2)) Psyntax("success/fail not E* or OK");
  vb2.used= 6+2;
  r= 0;
 assert(vb2.used <= amtread);
 if (vb2.used != amtread) Psyntax("junk at end of line");
	r= Pbytes(buf,buflen); 
 P_updatetime();
 return r;
}
int Hwrite(	int fd , const void *buf , size_t len 	) {
 int r, amtread;
 char *ep;
 Qwrite(	fd , buf , len 	);
 if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
 fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
 Tensurereportfile();
 fprintf(Treportfile,"%s",vb2.buf);
 amtread= strlen(vb2.buf);
 if (amtread<=0 || vb2.buf[--amtread]!='\n')
  Psyntax("badly formed line");
 vb2.buf[amtread]= 0;
 if (memcmp(vb2.buf," write=",7)) Psyntax("syscall reply mismatch");
 if (vb2.buf[7] == 'E') {
  int e;
  e= Perrno(vb2.buf+7);
  P_updatetime();
  errno= e;
  return -1;
 }
  r= strtoul(vb2.buf+7,&ep,10);
  if (*ep && *ep!=' ') Psyntax("return value not E* or positive number");
  vb2.used= ep - (char*)vb2.buf;
 assert(vb2.used <= amtread);
 if (vb2.used != amtread) Psyntax("junk at end of line");
 P_updatetime();
 return r;
}
Commit	Line	Data
f9476535	1	#include <assert.h>
	2	#include <string.h>
	3	#include <errno.h>
	4	#include <stdlib.h>
	5	#include <sys/types.h>
	6	#include <sys/socket.h>
	7	#include <netinet/in.h>
	8	#include <arpa/inet.h>
	9	#include <unistd.h>
	10	#include <fcntl.h>
	11	#include "harness.h"
	12	static FILE Tinputfile, Treportfile;
	13	static vbuf vb2;
	14	extern void Tshutdown(void) {
	15	adns__vbuf_free(&vb2);
	16	}
	17	static void Tensurereportfile(void) {
	18	const char *fdstr;
	19	int fd;
	20	if (Treportfile) return;
	21	Treportfile= stderr;
	22	fdstr= getenv("ADNS_TEST_REPORT_FD"); if (!fdstr) return;
	23	fd= atoi(fdstr);
	24	Treportfile= fdopen(fd,"a"); if (!Treportfile) Tfailed("fdopen ADNS_TEST_REPORT_FD");
	25	}
	26	static void Psyntax(const char *where) {
	27	fprintf(stderr,"adns test harness: syntax error in test log input file: %s\n",where);
	28	exit(-1);
	29	}
	30	static void Pcheckinput(void) {
	31	if (ferror(Tinputfile)) Tfailed("read test log input file");
	32	if (feof(Tinputfile)) Psyntax("eof at syscall reply");
	33	}
	34	static void Tensureinputfile(void) {
	35	const char *fdstr;
	36	int fd;
	37	int chars;
	38	unsigned long sec, usec;
	39	if (Tinputfile) return;
	40	Tinputfile= stdin;
	41	fdstr= getenv("ADNS_TEST_IN_FD");
	42	if (fdstr) {
	43	fd= atoi(fdstr);
	44	Tinputfile= fdopen(fd,"r"); if (!Tinputfile) Tfailed("fdopen ADNS_TEST_IN_FD");
	45	}
	46	setvbuf(Tinputfile,0,_IONBF,0);
	47	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
	48	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
	49	chars= -1;
	50	sscanf(vb2.buf," start %lu.%lu%n",&sec,&usec,&chars);
	51	if (chars==-1) Psyntax("start time invalid");
	52	currenttime.tv_sec= sec;
	53	currenttime.tv_usec= usec;
	54	if (vb2.buf[chars] != '\n') Psyntax("not newline after start time");
	55	}
	56	static void Parg(const char *argname) {
	57	int l;
	58	if (vb2.buf[vb2.used++] != ' ') Psyntax("not a space before argument");
	59	l= strlen(argname);
	60	if (memcmp(vb2.buf+vb2.used,argname,l)) Psyntax("argument name wrong");
	61	vb2.used+= l;
	62	if (vb2.buf[vb2.used++] != '=') Psyntax("not = after argument name");
	63	}
	64	static int Pstring_maybe(const char *string) {
65	int l;
66	l= strlen(string);
67	if (memcmp(vb2.buf+vb2.used,string,l)) return 0;
68	vb2.used+= l;
69	return 1;
70	}
71	static void Pstring(const char string, const char emsg) {
72	if (Pstring_maybe(string)) return;
73	Psyntax(emsg);
74	}
75	static int Perrno(const char *stuff) {
76	const struct Terrno *te;
77	int r;
78	char *ep;
79	for (te= Terrnos; te->n && strcmp(te->n,stuff); te++);
80	if (te->n) return te->v;
81	r= strtoul(stuff+2,&ep,10);
82	if (*ep) Psyntax("errno value not recognised, not numeric");
83	return r;
84	}
85	static void P_updatetime(void) {
86	int chars;
87	unsigned long sec, usec;
88	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
89	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
90	chars= -1;
91	sscanf(vb2.buf," +%lu.%lu%n",&sec,&usec,&chars);
92	if (chars==-1) Psyntax("update time invalid");
93	currenttime.tv_sec+= sec;
94	currenttime.tv_usec+= usec;
95	if (currenttime.tv_usec > 1000000) {
96	currenttime.tv_sec++;
97	currenttime.tv_usec -= 1000000;
98	}
99	if (vb2.buf[chars] != '\n') Psyntax("not newline after update time");
100	}
101	static void Pfdset(fd_set *set, int max) {
102	int r, c;
103	char *ep;
104	if (vb2.buf[vb2.used++] != '[') Psyntax("fd set start not [");
105	FD_ZERO(set);
106	if (vb2.buf[vb2.used] == ']') { vb2.used++; return; }
107	for (;;) {
108	r= strtoul(vb2.buf+vb2.used,&ep,10);
109	if (r>=max) Psyntax("fd set member > max");
110	if (ep == (char*)vb2.buf+vb2.used) Psyntax("empty entry in fd set");
111	FD_SET(r,set);
112	vb2.used= ep - (char*)vb2.buf;
113	c= vb2.buf[vb2.used++];
114	if (c == ']') break;
115	if (c != ',') Psyntax("fd set separator not ,");
116	}
117	}
118	#ifdef HAVE_POLL
119	static int Ppollfdevents(void) {
120	int events;
121	if (Pstring_maybe("0")) return 0;
122	events= 0;
123	if (Pstring_maybe("POLLIN")) {
124	events \|= POLLIN;
125	if (!Pstring_maybe("\|")) return events;
126	}
127	if (Pstring_maybe("POLLOUT")) {
128	events \|= POLLOUT;
129	if (!Pstring_maybe("\|")) return events;
130	}
131	Pstring("POLLPRI","pollfdevents PRI?");
132	return events;
133	}
134	static void Ppollfds(struct pollfd *fds, int nfds) {
135	int i;
136	char *ep;
137	const char *comma= "";
138	if (vb2.buf[vb2.used++] != '[') Psyntax("pollfds start not [");
139	for (i=0; i<nfds; i++) {
140	Pstring("{fd=","{fd= in pollfds");
141	fds->fd= strtoul(vb2.buf+vb2.used,&ep,10);
142	vb2.used= ep - (char*)vb2.buf;
143	Pstring(", events=",", events= in pollfds");
144	fds->events= Ppollfdevents();
145	Pstring(", revents=",", revents= in pollfds");
146	fds->revents= Ppollfdevents();
147	Pstring("}","} in pollfds");
148	Pstring(comma,"separator in pollfds");
149	comma= ", ";
150	}
151	if (vb2.buf[vb2.used++] != ']') Psyntax("pollfds end not ]");
152	}
153	#endif
154	static void Paddr(struct sockaddr addr, int lenr) {
155	struct sockaddr_in sa= (struct sockaddr_in)addr;
156	char p, ep;
157	long ul;
158	assert(lenr >= sizeof(sa));
159	p= strchr(vb2.buf+vb2.used,':');
160	if (!p) Psyntax("no port on address");
161	*p++= 0;
162	memset(sa,0,sizeof(*sa));
163	sa->sin_family= AF_INET;
164	if (!inet_aton(vb2.buf+vb2.used,&sa->sin_addr)) Psyntax("invalid address");
165	ul= strtoul(p,&ep,10);
166	if (ep && ep != ' ') Psyntax("invalid port (bad syntax)");
167	if (ul >= 65536) Psyntax("port too large");
168	sa->sin_port= htons(ul);
169	lenr= sizeof(sa);
170	vb2.used= ep - (char*)vb2.buf;
171	}
172	static int Pbytes(byte *buf, int maxlen) {
173	static const char hexdigits[]= "0123456789abcdef";
174	int c, v, done;
175	const char *pf;
176	done= 0;
177	for (;;) {
178	c= getc(Tinputfile); Pcheckinput();
179	if (c=='\n' \|\| c==' ' \|\| c=='\t') continue;
180	if (c=='.') break;
181	pf= strchr(hexdigits,c); if (!pf) Psyntax("invalid first hex digit");
182	v= (pf-hexdigits)<<4;
183	c= getc(Tinputfile); Pcheckinput();
184	pf= strchr(hexdigits,c); if (!pf) Psyntax("invalid second hex digit");
185	v \|= (pf-hexdigits);
186	if (maxlen<=0) Psyntax("buffer overflow in bytes");
187	*buf++= v;
188	maxlen--; done++;
189	}
190	for (;;) {
191	c= getc(Tinputfile); Pcheckinput();
192	if (c=='\n') return done;
193	}
194	}
195	void Q_vb(void) {
196	int r;
197	const char *nl;
198	Tensureinputfile();
199	if (!adns__vbuf_ensure(&vb2,vb.used+2)) Tnomem();
200	r= fread(vb2.buf,1,vb.used+2,Tinputfile);
201	if (feof(Tinputfile)) {
202	fprintf(stderr,"adns test harness: input ends prematurely; program did:\n %.*s\n",
203	vb.used,vb.buf);
204	exit(-1);
205	}
206	Pcheckinput();
207	if (vb2.buf[0] != ' ') Psyntax("not space before call");
208	if (memcmp(vb.buf,vb2.buf+1,vb.used) \|\|
209	vb2.buf[vb.used+1] != '\n') {
210	fprintf(stderr,
211	"adns test harness: program did unexpected:\n %.*s\n"
212	"was expecting:\n %.*s\n",
213	vb.used,vb.buf, vb.used,vb2.buf+1);
214	exit(1);
215	}
216	Tensurereportfile();
217	nl= memchr(vb.buf,'\n',vb.used);
218	fprintf(Treportfile," %.s\n", (int)(nl ? nl - (const char)vb.buf : vb.used), vb.buf);
219	}
220	int Hselect( int max , fd_set rfds , fd_set wfds , fd_set efds , struct timeval to ) {
221	int r, amtread;
222	char *ep;
223	Qselect( max , rfds , wfds , efds , to );
224	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
225	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
226	Tensurereportfile();
227	fprintf(Treportfile,"%s",vb2.buf);
228	amtread= strlen(vb2.buf);
229	if (amtread<=0 \|\| vb2.buf[--amtread]!='\n')
230	Psyntax("badly formed line");
231	vb2.buf[amtread]= 0;
232	if (memcmp(vb2.buf," select=",8)) Psyntax("syscall reply mismatch");
233	if (vb2.buf[8] == 'E') {
234	int e;
235	e= Perrno(vb2.buf+8);
236	P_updatetime();
237	errno= e;
238	return -1;
239	}
240	r= strtoul(vb2.buf+8,&ep,10);
241	if (ep && ep!=' ') Psyntax("return value not E* or positive number");
242	vb2.used= ep - (char*)vb2.buf;
243	Parg("rfds"); Pfdset(rfds,max);
244	Parg("wfds"); Pfdset(wfds,max);
245	Parg("efds"); Pfdset(efds,max);
246	assert(vb2.used <= amtread);
247	if (vb2.used != amtread) Psyntax("junk at end of line");
248	P_updatetime();
249	return r;
250	}
251	#ifdef HAVE_POLL
252	int Hpoll( struct pollfd *fds , int nfds , int timeout ) {
253	int r, amtread;
254	char *ep;
255	Qpoll( fds , nfds , timeout );
256	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
257	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
258	Tensurereportfile();
259	fprintf(Treportfile,"%s",vb2.buf);
260	amtread= strlen(vb2.buf);
261	if (amtread<=0 \|\| vb2.buf[--amtread]!='\n')
262	Psyntax("badly formed line");
263	vb2.buf[amtread]= 0;
264	if (memcmp(vb2.buf," poll=",6)) Psyntax("syscall reply mismatch");
265	if (vb2.buf[6] == 'E') {
266	int e;
267	e= Perrno(vb2.buf+6);
268	P_updatetime();
269	errno= e;
270	return -1;
271	}
272	r= strtoul(vb2.buf+6,&ep,10);
273	if (ep && ep!=' ') Psyntax("return value not E* or positive number");
274	vb2.used= ep - (char*)vb2.buf;
275	Parg("fds"); Ppollfds(fds,nfds);
276	assert(vb2.used <= amtread);
277	if (vb2.used != amtread) Psyntax("junk at end of line");
278	P_updatetime();
279	return r;
280	}
281	#endif
282	int Hsocket( int domain , int type , int protocol ) {
283	int r, amtread;
284	char *ep;
285	Tmust("socket","domain",domain==AF_INET);
286	Tmust("socket","type",type==SOCK_STREAM \|\| type==SOCK_DGRAM);
287	Qsocket( type );
288	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
289	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
290	Tensurereportfile();
291	fprintf(Treportfile,"%s",vb2.buf);
292	amtread= strlen(vb2.buf);
293	if (amtread<=0 \|\| vb2.buf[--amtread]!='\n')
294	Psyntax("badly formed line");
295	vb2.buf[amtread]= 0;
296	if (memcmp(vb2.buf," socket=",8)) Psyntax("syscall reply mismatch");
297	if (vb2.buf[8] == 'E') {
298	int e;
299	e= Perrno(vb2.buf+8);
300	P_updatetime();
301	errno= e;
302	return -1;
303	}
304	r= strtoul(vb2.buf+8,&ep,10);
305	if (ep && ep!=' ') Psyntax("return value not E* or positive number");
306	vb2.used= ep - (char*)vb2.buf;
307	assert(vb2.used <= amtread);
308	if (vb2.used != amtread) Psyntax("junk at end of line");
309	P_updatetime();
310	return r;
311	}
312	int Hfcntl( int fd , int cmd , ... ) {
313	int r, amtread;
314	va_list al; long arg;
315	Tmust("fcntl","cmd",cmd==F_SETFL \|\| cmd==F_GETFL);
316	if (cmd == F_SETFL) {
317	va_start(al,cmd); arg= va_arg(al,long); va_end(al);
318	} else {
319	arg= 0;
320	}
321	Qfcntl( fd , cmd , arg );
322	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
323	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
324	Tensurereportfile();
325	fprintf(Treportfile,"%s",vb2.buf);
326	amtread= strlen(vb2.buf);
327	if (amtread<=0 \|\| vb2.buf[--amtread]!='\n')
328	Psyntax("badly formed line");
329	vb2.buf[amtread]= 0;
330	if (memcmp(vb2.buf," fcntl=",7)) Psyntax("syscall reply mismatch");
331	if (vb2.buf[7] == 'E') {
332	int e;
333	e= Perrno(vb2.buf+7);
334	P_updatetime();
335	errno= e;
336	return -1;
337	}
338	r= 0;
339	if (cmd == F_GETFL) {
340	if (!memcmp(vb2.buf+7,"O_NONBLOCK\|...",14)) {
341	r= O_NONBLOCK;
342	vb2.used= 7+14;
343	} else if (!memcmp(vb2.buf+7,"~O_NONBLOCK&...",15)) {
344	vb2.used= 7+15;
345	} else {
346	Psyntax("fcntl flags not O_NONBLOCK\|... or ~O_NONBLOCK&...");
347	}
348	} else if (cmd == F_SETFL) {
349	if (memcmp(vb2.buf+7,"OK",2)) Psyntax("success/fail not E* or OK");
350	vb2.used= 7+2;
351	r= 0;
352	} else {
353	Psyntax("fcntl not F_GETFL or F_SETFL");
354	}
355	assert(vb2.used <= amtread);
356	if (vb2.used != amtread) Psyntax("junk at end of line");
357	P_updatetime();
358	return r;
359	}
360	int Hconnect( int fd , const struct sockaddr *addr , int addrlen ) {
361	int r, amtread;
362	Qconnect( fd , addr , addrlen );
363	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
364	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
365	Tensurereportfile();
366	fprintf(Treportfile,"%s",vb2.buf);
367	amtread= strlen(vb2.buf);
368	if (amtread<=0 \|\| vb2.buf[--amtread]!='\n')
369	Psyntax("badly formed line");
370	vb2.buf[amtread]= 0;
371	if (memcmp(vb2.buf," connect=",9)) Psyntax("syscall reply mismatch");
372	if (vb2.buf[9] == 'E') {
373	int e;
374	e= Perrno(vb2.buf+9);
375	P_updatetime();
376	errno= e;
377	return -1;
378	}
379	if (memcmp(vb2.buf+9,"OK",2)) Psyntax("success/fail not E* or OK");
380	vb2.used= 9+2;
381	r= 0;
382	assert(vb2.used <= amtread);
383	if (vb2.used != amtread) Psyntax("junk at end of line");
384	P_updatetime();
385	return r;
386	}
387	int Hclose( int fd ) {
388	int r, amtread;
389	Qclose( fd );
390	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
391	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
392	Tensurereportfile();
393	fprintf(Treportfile,"%s",vb2.buf);
394	amtread= strlen(vb2.buf);
395	if (amtread<=0 \|\| vb2.buf[--amtread]!='\n')
396	Psyntax("badly formed line");
397	vb2.buf[amtread]= 0;
398	if (memcmp(vb2.buf," close=",7)) Psyntax("syscall reply mismatch");
399	if (vb2.buf[7] == 'E') {
400	int e;
401	e= Perrno(vb2.buf+7);
402	P_updatetime();
403	errno= e;
404	return -1;
405	}
406	if (memcmp(vb2.buf+7,"OK",2)) Psyntax("success/fail not E* or OK");
407	vb2.used= 7+2;
408	r= 0;
409	assert(vb2.used <= amtread);
410	if (vb2.used != amtread) Psyntax("junk at end of line");
411	P_updatetime();
412	return r;
413	}
414	int Hsendto( int fd , const void msg , int msglen , unsigned int flags , const struct sockaddr addr , int addrlen ) {
415	int r, amtread;
416	char *ep;
417	Tmust("sendto","flags",flags==0);
418	Qsendto( fd , msg , msglen , addr , addrlen );
419	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
420	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
421	Tensurereportfile();
422	fprintf(Treportfile,"%s",vb2.buf);
423	amtread= strlen(vb2.buf);
424	if (amtread<=0 \|\| vb2.buf[--amtread]!='\n')
425	Psyntax("badly formed line");
426	vb2.buf[amtread]= 0;
427	if (memcmp(vb2.buf," sendto=",8)) Psyntax("syscall reply mismatch");
428	if (vb2.buf[8] == 'E') {
429	int e;
430	e= Perrno(vb2.buf+8);
431	P_updatetime();
432	errno= e;
433	return -1;
434	}
435	r= strtoul(vb2.buf+8,&ep,10);
436	if (ep && ep!=' ') Psyntax("return value not E* or positive number");
437	vb2.used= ep - (char*)vb2.buf;
438	assert(vb2.used <= amtread);
439	if (vb2.used != amtread) Psyntax("junk at end of line");
440	P_updatetime();
441	return r;
442	}
443	int Hrecvfrom( int fd , void buf , int buflen , unsigned int flags , struct sockaddr addr , int *addrlen ) {
444	int r, amtread;
445	Tmust("recvfrom","flags",flags==0);
446	Tmust("recvfrom","addrlen",addrlen>=sizeof(struct sockaddr_in));
447	Qrecvfrom( fd , buflen , *addrlen );
448	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
449	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
450	Tensurereportfile();
451	fprintf(Treportfile,"%s",vb2.buf);
452	amtread= strlen(vb2.buf);
453	if (amtread<=0 \|\| vb2.buf[--amtread]!='\n')
454	Psyntax("badly formed line");
455	vb2.buf[amtread]= 0;
456	if (memcmp(vb2.buf," recvfrom=",10)) Psyntax("syscall reply mismatch");
457	if (vb2.buf[10] == 'E') {
458	int e;
459	e= Perrno(vb2.buf+10);
460	P_updatetime();
461	errno= e;
462	return -1;
463	}
464	if (memcmp(vb2.buf+10,"OK",2)) Psyntax("success/fail not E* or OK");
465	vb2.used= 10+2;
466	r= 0;
467	Parg("addr"); Paddr(addr,addrlen);
468	assert(vb2.used <= amtread);
469	if (vb2.used != amtread) Psyntax("junk at end of line");
470	r= Pbytes(buf,buflen);
471	P_updatetime();
472	return r;
473	}
474	int Hread( int fd , void *buf , size_t buflen ) {
475	int r, amtread;
476	Qread( fd , buflen );
477	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
478	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
479	Tensurereportfile();
480	fprintf(Treportfile,"%s",vb2.buf);
481	amtread= strlen(vb2.buf);
482	if (amtread<=0 \|\| vb2.buf[--amtread]!='\n')
483	Psyntax("badly formed line");
484	vb2.buf[amtread]= 0;
485	if (memcmp(vb2.buf," read=",6)) Psyntax("syscall reply mismatch");
486	if (vb2.buf[6] == 'E') {
487	int e;
488	e= Perrno(vb2.buf+6);
489	P_updatetime();
490	errno= e;
491	return -1;
492	}
493	if (memcmp(vb2.buf+6,"OK",2)) Psyntax("success/fail not E* or OK");
494	vb2.used= 6+2;
495	r= 0;
496	assert(vb2.used <= amtread);
497	if (vb2.used != amtread) Psyntax("junk at end of line");
498	r= Pbytes(buf,buflen);
499	P_updatetime();
500	return r;
501	}
502	int Hwrite( int fd , const void *buf , size_t len ) {
503	int r, amtread;
504	char *ep;
505	Qwrite( fd , buf , len );
506	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
507	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
508	Tensurereportfile();
509	fprintf(Treportfile,"%s",vb2.buf);
510	amtread= strlen(vb2.buf);
511	if (amtread<=0 \|\| vb2.buf[--amtread]!='\n')
512	Psyntax("badly formed line");
513	vb2.buf[amtread]= 0;
514	if (memcmp(vb2.buf," write=",7)) Psyntax("syscall reply mismatch");
515	if (vb2.buf[7] == 'E') {
516	int e;
517	e= Perrno(vb2.buf+7);
518	P_updatetime();
519	errno= e;
520	return -1;
521	}
522	r= strtoul(vb2.buf+7,&ep,10);
523	if (ep && ep!=' ') Psyntax("return value not E* or positive number");
524	vb2.used= ep - (char*)vb2.buf;
525	assert(vb2.used <= amtread);
526	if (vb2.used != amtread) Psyntax("junk at end of line");
527	P_updatetime();
528	return r;
529	}