2.11BSD#431 - /usr/src/new/nntp/server/group.c

   1: #ifndef lint
   2: static char *sccsid = "@(#)group.c	1.11	(Berkeley) 2/6/88";
   3: #endif
   4: 
   5: #include "common.h"
   6: 
   7: /*
   8:  * GROUP newsgroup
   9:  *
  10:  * Change the current group to the specified newsgroup.
  11:  * We also change our current directory to that newsgroup if
  12:  * a spool directory for it exists.
  13:  * If the newsgroup specified is invalid, the old newsgroup
  14:  * remains selected.
  15:  */
  16: 
  17: group(argc, argv)
  18:     int argc;
  19:     char    *argv[];
  20: {
  21:     char    temp_dir[256];
  22:     int high_msg, low_msg;
  23:     char    *cp;
  24:     char    *reqlist[2];
  25: 
  26:     if (argc != 2) {
  27:         printf("%d Usage: GROUP newsgroup.\r\n", ERR_CMDSYN);
  28:         (void) fflush(stdout);
  29:         return;
  30:     }
  31: 
  32:     if (!canread) {
  33:         printf("%d You only have permission to transfer, sorry.\r\n",
  34:             ERR_ACCESS);
  35:         (void) fflush(stdout);
  36:         return;
  37:     }
  38: 
  39:     if (index(argv[1], '/') != (char *) NULL) {
  40:         printf("%d Invalid group name.\r\n", ERR_NOGROUP);
  41:         (void) fflush(stdout);
  42:         return;
  43:     }
  44: 
  45:     if (find_group(argv[1], num_groups, &low_msg, &high_msg) < 0) {
  46:         printf("%d Invalid group name.\r\n", ERR_NOGROUP);
  47:         (void) fflush(stdout);
  48:         return;
  49:     }
  50: 
  51:     reqlist[0] = argv[1];
  52:     reqlist[1] = NULL;
  53: 
  54:     if (ngpermcount) {
  55:         if (ngmatch(s1strneql, ALLBUT,
  56:             ngpermlist, ngpermcount, reqlist, 1) == 0) {
  57:             printf("%d You're not allowed to read %s, sorry.\r\n",
  58:                 ERR_ACCESS, argv[1]);
  59:             (void) fflush(stdout);
  60:             return;
  61:         }
  62:     }
  63: 
  64:     close_crnt();
  65:     (void) chdir(spooldir);
  66: 
  67: #ifdef LOG
  68:     syslog(LOG_INFO, "%s group %s", hostname, argv[1]);
  69: #endif
  70: 
  71:     while ((cp = index(argv[1], '.')) != (char *) NULL)
  72:         *cp = '/';
  73: 
  74:     (void) strcpy(temp_dir, spooldir);
  75:     (void) strcat(temp_dir, "/");
  76:     (void) strcat(temp_dir, argv[1]);
  77: 
  78:     /*
  79: 	 * (void) because a group can be in the active file
  80: 	 * but not have a spool directory.  Just leave us
  81: 	 * chdired to base spool directory if this fails.
  82: 	 */
  83:     (void) chdir(temp_dir);
  84: 
  85: #ifdef LOG
  86:     ++grps_acsd;
  87: #endif
  88: 
  89:     num_arts = scan_dir(low_msg, high_msg);
  90:     art_ptr = 0;
  91: 
  92:     ingroup = 1;
  93: 
  94:     while ((cp = index(argv[1], '/')) != (char *) NULL)
  95:         *cp = '.';
  96: 
  97:     printf("%d %d %d %d %s\r\n",
  98:         OK_GROUP,
  99:         num_arts,
 100:         (num_arts > 0 ? art_array[0] : 0),
 101:         (num_arts > 0 ? art_array[num_arts-1] : 0),
 102:         argv[1]);
 103:     (void) fflush(stdout);
 104: }

Defined functions

Defined variables