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- #ifndef lint
- static char *sccsid = "@(#)list.c 1.11 (Berkeley) 5/11/89";
- #endif
-
- #include "common.h"
-
- /*
- * LIST
- *
- * List active newsgroups, newsgroup descriptions, and distributions.
- *
- */
-
- list(argc, argv)
- int argc;
- char *argv[];
- {
- char line[NNTP_STRLEN];
- char *grparray[2];
- char *filename;
- char *items;
- char *format;
- register char *cp;
- register FILE *list_fp;
-
- if (argc == 1 || (argc == 2 && !strcasecmp(argv[1],"active"))){
- num_groups = read_groups();
- if (num_groups == 0){ /* can't get a group list */
- printf("%d Group update failed. Try later.\r\n",
- ERR_FAULT);
- (void) fflush(stdout);
- #ifdef LOG
- syslog(LOG_INFO, "%s group update failed in LIST", hostname);
- #endif
- exit(1);
- }
- filename = activefile;
- items = "active newsgroups";
- format = "Newsgroups in form \"group high low y/n/m\".";
- } else if (argc == 2 && !strcasecmp(argv[1],"distributions")){
- filename = distributionsfile;
- items = "newsgroup distributions";
- format = "Distributions in form \"area description\".";
- } else if (argc == 2 && !strcasecmp(argv[1],"newsgroups")){
- filename = newsgroupsfile;
- items = "newsgroup descriptions";
- format = "Descriptions in form \"group description\".";
- } else {
- printf("%d Usage: LIST [ACTIVE|NEWSGROUPS|DISTRIBUTIONS]\r\n",
- ERR_CMDSYN);
- (void) fflush(stdout);
- return;
- }
-
- grparray[0] = line;
- grparray[1] = NULL;
-
- list_fp = fopen(filename, "r");
-
- if (list_fp == NULL) {
- printf("%d No list of %s available.\r\n", ERR_FAULT,
- items);
- (void) fflush(stdout);
- #ifdef SYSLOG
- syslog(LOG_ERR, "list: fopen %s: %m", filename);
- #endif
- return;
- }
-
- printf("%d %s\r\n",OK_GROUPS,format);
-
- while (fgets(line, sizeof(line), list_fp) != NULL) {
- if ((cp = index(line, '\n')) != NULL)
- *cp = '\0';
- if (ngpermcount) {
- if (ngmatch(s1strneql, ALLBUT,
- ngpermlist, ngpermcount,
- grparray, 1) == 0)
- continue;
- }
- else if (ALLBUT==0) break; /* ngpermcnt==0 && ALLBUT == 0 means
- * don't print the list, right? */
- putline(line);
- }
- (void) fclose(list_fp);
-
- putline(".");
- (void) fflush(stdout);
- }
-