BSD 4 development

[unix-history] / usr / src / cmd / berknet / netq.c

/* netq - print the netq send queue */
/* netq [-a] [mach] */
/* must be setuid root */

# include "defs.h"
# define STSIZE 150

static FILE *df;
static char jname[16], printlong;
static struct table {
       char name[16];
       long filesize;
       } stack[STSIZE], temp;
static int stptr = 0;
static char mach,visit[26];
static char netcmd1[] = NETCMD1;
static int hisuid,sumj;
static long sumb;
static struct stat statbuf;
static struct direct dirbuf;

char _sobuf[BUFSIZ];
main(argc,argv)
 char **argv; {
       int i;
       setbuf(stdout,_sobuf);
       hisuid = getuid();
       hisuid = uidmask(hisuid);
       if(stat(netcmd,&statbuf) >= 0)
               if((statbuf.st_mode & 07) == 0){
                       printf("Network is down\n");
                       exit(EX_UNAVAILABLE);
                       }
       else if(stat(netcmd1,&statbuf) >= 0)
               if((statbuf.st_mode & 07) == 0){
                       printf("Network is down\n");
                       exit(EX_UNAVAILABLE);
                       }
       while(argc > 1){
               switch(argv[1][0]){
               case '-': printlong++; break;
               default: mach = lookup(argv[1]);
                       if(mach > 0 && machtype[mach-'a'] == 0)mach = 0;
                       break;
               }
               argc--, argv++;
               }
       if(mach){
               mach = gothru(local,mach); /* list to directly conn. machine */
               if(mach == 0){
                       fprintf(stderr,"That machine not directly connected.\n");
                       exit(EX_USAGE);
               }
               senddir[strlen(senddir)-1] = mach;
               if(chdir(senddir) < 0){
                       perror(senddir);
                       exit(EX_OSFILE);
               }
               pdir(senddir);
       }
       else for(i = 'a'; i <= 'z'; i++)
               if((mach = gothru(local,i)) && !visit[mach - 'a']){
                       visit[mach - 'a'] = 1;
                       senddir[strlen(senddir)-1] = mach;
                       if(chdir(senddir) < 0)continue;
                       pdir(senddir);
                       printf("---\n");
                       }
       fflush(stdout);
       }
static pdir(str)
 char *str; {
       int i;
       char more = 0, *cp;
       int (*compar)();
       df = fopen(str,"r");
       if(df == NULL){
               perror(str);
               exit(EX_OSFILE);
               }
       stptr = 0;
       while(fread(&dirbuf,1,sizeof dirbuf,df)==sizeof dirbuf){
               if(dirbuf.d_ino == 0 
               || dirbuf.d_name[0] != 'c'
               || dirbuf.d_name[1] != 'f'
               || stat(dirbuf.d_name,&statbuf) < 0)
                       continue;
               if(mach != dirbuf.d_name[2])continue;
               dirbuf.d_name[0] = 'd';
               if(stat(dirbuf.d_name,&statbuf) < 0)continue;

               if(!insert(dirbuf.d_name,getsize(&statbuf))){
                       more++;
                       break;
                       }
               }
       if(stptr == 0){
               printf("Network queue to/thru %s is empty.\n",longname(mach));
               return;
               }
       cp = (char *)&(stack[0].name[0]);
       sort(cp,stptr,sizeof temp,compar);
       printf("Network queue to/thru %s:\n",longname(mach));
       printf(
       "From       To           Len  Code   Time          Command\n");
       for(i = 0; i < stptr; i++){ /* screen size */
               strcpy(jname,stack[i].name);
               jname[0] = 'd';
               if(stat(jname,&statbuf) < 0)
                       continue;
               if(printlong || guid(statbuf.st_uid,statbuf.st_gid) == hisuid)
                       process();
               else summarize(i);
               }
       printsum();
       if(more)printf("   ... more ...\n");
       }
summarize(i){
       sumb += stack[i].filesize;
       sumj++;
       }
printsum(){
       if(sumj != 0){
               printf("%d request%s, %ld bytes\n",
                       sumj,(sumj > 1 ? "s" : ""),sumb);
               sumj = 0;
               sumb = 0L;
               }
       }
process(){
       static struct header hd;
       FILE *look;
       char *cp;

       printsum();
       look = fopen(jname,"r");
       if(look == NULL)
               return;
       readhdfd(&hd,look);
       fclose(look);
       if(hd.hd_snfrom[0] == 0)strcat(hd.hd_addrfrom,"Internal");
       expandcc(hd.hd_sttyname);
       cp = ctime(&statbuf.st_mtime);
       cp[strlen(cp)-9] = 0;
       jname[3] = jname[2];
       printf("%-10s %-10s %5ld %s %s  %-.27s\n",
               hd.hd_addrfrom,hd.hd_addrto,getsize(&statbuf),
               jname+3,cp+4,hd.hd_scmdvirt);
       }
readhdfd(phd,fd)
register struct header *phd;
FILE *fd;
{
       char sbuf[BUFSIZ], parmlist[PARMLIST];
       char *s, cflag;
       int c, i;
       phd->hd_code = phd->hd_mchto = phd->hd_snto[0] = phd->hd_sinfile[0] = 0;
       phd->hd_soutfile[0] = phd->hd_srespfile[0] = phd->hd_snfrom[0] = 0;
       phd->hd_scmdact[0] = 0;
       for(i=0;i<20;i++)phd->hd_sttyname[i] = 0;

       phd->hd_code = ngetc(fd);
       if(phd->hd_code == 0)return;
       phd->hd_mchto = ngetc(fd);
       phd->hd_mchfrom = ngetc(fd);    /* from machine */
       phd->hd_vmajor = ngetc(fd);
       phd->hd_vminor = ngetc(fd);
       ngets(phd->hd_snto,NS,fd);
       ngets(phd->hd_spasswd,20,fd);                   /* passwd */
       ngets(phd->hd_sinfile,FNS,fd);
       ngets(phd->hd_soutfile,FNS,fd);
       ngets(phd->hd_srespfile,FNS,fd);
       ngets(phd->hd_snfrom,NS,fd);
       ngets(phd->hd_sttyname,20,fd);
       cflag = ngetc(fd);              
       ngets(sbuf,BUFSIZ,fd);                          /* lttytime */
       ngets(parmlist,PARMLIST,fd);                    /* jobno */
       parseparmlist(parmlist);
       ngets(sbuf,BUFSIZ,fd);                          /* timesent */
       s = phd->hd_scmdact;
       while((c = getc(fd)) != EOF && c != '\n'){
               if(c == '\\')c = getc(fd);
               *s++ = c;
               }
       *s = 0;
       s = phd->hd_scmdvirt;
       while((c = getc(fd)) != EOF && c != '\n'){
               if(c == '\\')c = getc(fd);
               *s++ = c;
               }
       *s = 0;
       if(phd->hd_scmdvirt[0] == 0)strcpy(phd->hd_scmdvirt,phd->hd_scmdact);
       sprintf(phd->hd_addrfrom,"%c:%s",phd->hd_mchfrom,phd->hd_snfrom);
       sprintf(phd->hd_addrto  ,"%c:%s",phd->hd_mchto  ,phd->hd_snto  );
}
ngetc(fd)
FILE *fd;
{
       char b[3];
       if(feof(fd))return(0);
       if(fread(b,1,3,fd) != 3) return(0);
       return(b[0]);
       }
/* read a string s of max length maxlen out of queue file */
ngets(s,maxlen,fd)
int maxlen;
char *s;
FILE *fd;
{
       int i;
       if(feof(fd))return;
       for(;;){
               i = getc(fd);
               if(i == EOF){
                       *s = 0;
                       return;
                       }
               *s = i;
               if(*s == '\\')*s = getc(fd);
               if(*s == ' ')break;
               if(maxlen-- > 0)s++;
               }
       *s = 0;
       getc(fd);
       }
insert(f,t)
 char *f;
 long t; {
       strcpy(stack[stptr].name,f);
       stack[stptr++].filesize = t;
       return(stptr <= STSIZE);
       }
compar(a,b)
 register struct table *a,*b; {
       if(a->filesize < b->filesize)return(-1);
       if(a->filesize > b->filesize)return(1);
       return(0);
       }
sort(){         /* use this cause qsort doesn't work */
       register int i,j;
       for(i=0; i< stptr-1; i++)
               for(j=i+1;j<stptr;j++)
                       if(compar(&stack[i],&stack[j]) > 0)
                               swap(&stack[i],&stack[j]);
       }
swap(a,b)
 register struct table *a, *b; {
       char str[16];
       long t;
       strcpy(str,a->name);
       t = a->filesize;
       strcpy(a->name,b->name);
       a->filesize = b->filesize;
       strcpy(b->name,str);
       b->filesize = t;
       }