+++ /dev/null
-/* $Id: sys2nf.c 7741 2008-04-06 09:51:47Z iulius $
-**
-** Read a C news "sys" file and split it up into a set of INN
-** newsfeeds entries. Also works with B news.
-**
-** Once done, edit all files that have HELP or all in them.
-** Review all files, anyway.
-*/
-
-#include "config.h"
-#include "clibrary.h"
-#include <ctype.h>
-#include <errno.h>
-#include <sys/stat.h>
-
-#include "inn/innconf.h"
-#include "libinn.h"
-#include "nntp.h"
-
-#define TEMPFILE ":tmp"
-static char **Groups;
-
-
-/*
-** Fill in the Groups array with the names of all active newsgroups.
-*/
-static void
-ReadActive(act)
- char *act;
-{
- FILE *F;
- int i;
- char buff[BUFSIZ];
- char *p;
-
- /* Open file, count lines. */
- if ((F = fopen(act, "r")) == NULL) {
- perror(act);
- exit(1);
- }
- for (i = 0; fgets(buff, sizeof buff, F) != NULL; i++)
- continue;
- Groups = xmalloc((i + 2) * sizeof(char *));
-
- /* Fill in each word. */
- rewind(F);
- for (i = 0; fgets(buff, sizeof buff, F) != NULL; i++) {
- if ((p = strchr(buff, ' ')) != NULL)
- *p = '\0';
- Groups[i] = xstrdup(buff);
- }
- Groups[i] = NULL;
- fclose(F);
-}
-
-
-/*
-** Read in the sys file and turn it into an array of strings, one
-** per continued line.
-*/
-char **
-ReadSys(sys)
- char *sys;
-{
- char *p;
- char *to;
- char *site;
- int i;
- char *data;
- char **strings;
-
- /* Read in the file, get rough count. */
- if ((data = ReadInFile(sys, (struct stat *)NULL)) == NULL) {
- perror(sys);
- exit(1);
- }
- for (p = data, i = 0; (p = strchr(p, '\n')) != NULL; p++, i++)
- continue;
-
- /* Scan the file, glue all multi-line entries. */
- for (strings = xmalloc((i + 1) * sizeof(char *)), i = 0, to = p = data; *p; ) {
- for (site = to; *p; ) {
- if (*p == '\n') {
- p++;
- *to = '\0';
- break;
- }
- if (*p == '\\' && p[1] == '\n')
- while (*++p && CTYPE(isspace, *p))
- continue;
- else
- *to++ = *p++;
- }
- *to++ = '\0';
- if (*site == '\0')
- continue;
- strings[i++] = xstrdup(site);
- }
- strings[i] = NULL;
- free(data);
- return strings;
-}
-
-
-/*
-** Is this the name of a top-level group? We want a simple name, "foo",
-** and should find a "foo." in the group list.
-*/
-static bool
-Toplevel(p)
- char *p;
-{
- char **gp;
- char *g;
- int i;
-
- if (strchr(p, '.') != NULL)
- return false;
- for (i = strlen(p) - 1, gp = Groups; (g = *gp++) != NULL; )
- if (strncmp(p, g, i) == 0 && g[i + 1] == '.')
- return true;
- return false;
-}
-
-
-/*
-** Do we have a name that's a prefix for more then one newsgroup?
-** For "foo.bar", we must find more then one "foo.bar" or "foo.bar."
-*/
-static bool
-GroupPrefix(p)
- char *p;
-{
- char **gp;
- char *g;
- int count;
- int i;
-
- if (strchr(p, '.') == NULL)
- return false;
- for (i = strlen(p), count = 0, gp = Groups; (g = *gp++) != NULL; )
- if (strcmp(p, g) == 0 || (strncmp(p, g, i) == 0 && g[i] == '.'))
- count++;
- return count > 1;
-}
-
-
-/*
-** Step through the old subscription list, try to update each one in
-** turn.
-*/
-static void
-DoSub(F, p)
- FILE *F;
- char *p;
-{
- char *s;
- int len, i;
- bool matched;
- bool SawBang;
- bool SawAll;
-
- /* Distributions, not newsgroups. */
- static const char * const distributions[] = {
- "world", "na", "usa", "inet", "mod", "net", "local"
- };
-
- /* Newsgroup hierarchies. */
- static const char * const hierarchies[] = {
- "comp", "misc", "news", "rec", "sci", "soc", "talk", "alt", "bionet",
- "bit", "biz", "clari", "ddn", "gnu", "ieee", "k12", "pubnet", "trial",
- "u3b", "vmsnet",
-
- "ba", "ca", "dc", "ne", "ny", "tx",
-
- "info", "mail", "opinions", "uunet"
- }
-
- if ((s = strtok(p, ",")) == NULL)
- return;
-
- fprintf(F, "!*");
- len = 8 + 1 + 2;
- do {
- for (matched = false, i = 0; i < ARRAY_SIZE(distributions); i++)
- if (strcmp(s, distributions[i]) == 0) {
- matched = true;
- break;
- }
- if (matched)
- continue;
-
- if (innconf->mergetogroups)
- if (strcmp(s, "!to") == 0 || strncmp(s, "to.", 3) == 0)
- continue;
-
- putc(',', F);
- len++;
-
- if (len + strlen(s) + 3 > 72) {
- fprintf(F,"\\\n\t ");
- len = 12;
- }
-
- SawBang = *s == '!';
- if (SawBang) {
- putc('!', F);
- len++;
- s++;
- }
-
- SawAll = (strcmp(s, "all") == 0);
- if (SawAll)
- s = SawBang ? "*" : "*,!control,!control.*";
- len += strlen(s);
- fprintf(F, "%s", s);
-
- if (SawAll)
- ;
- else {
- for (matched = false, i = 0; i < ARRAY_SIZE(distributions); i++)
- if (strcmp(s, hierarchies[i]) == 0) {
- matched = true;
- break;
- }
-
- if (matched) {
- fprintf(F, ".*");
- len += 2;
- } else if (GroupPrefix(s)) {
- putc('*', F);
- len++;
- }
- }
- } while ((s = strtok((char *)NULL, ",")) != NULL);
-}
-
-
-int
-main(ac, av)
- int ac;
- char *av[];
-{
- FILE *F;
- FILE *out;
- char **sites;
- char *f2;
- char *f3;
- char *f4;
- char *p;
- char *q;
- char *site;
- char buff[256];
- char *act;
- char *dir;
- char *sys;
- int i;
-
- if (!innconf_read(NULL))
- exit(1);
- /* Set defaults. */
- act = "/usr/local/lib/newslib/active";
- sys = "sys";
- dir = "feeds";
- while ((i = getopt(ac, av, "a:s:d:")) != EOF)
- switch (i) {
- default:
- exit(1);
- /* NOTREACHED */
- case 'a': act = optarg; break;
- case 'd': dir = optarg; break;
- case 's': sys = optarg; break;
- }
-
- sites = ReadSys(sys);
- ReadActive(act);
- if (mkdir(dir, 0777) < 0 && errno != EEXIST)
- perror(dir), exit(1);
- if (chdir(dir) < 0)
- perror("chdir"), exit(1);
- for ( ; ; ) {
- /* Get next non-comment ilne. */
- if ((p = *sites++) == NULL)
- break;
- for (F = fopen(TEMPFILE, "w"); p && *p == '#'; p = *sites++)
- fprintf(F, "%s\n", p);
- if (p == NULL) {
- fclose(F);
- break;
- }
- site = xstrdup(p);
- if ((f2 = strchr(site, ':')) == NULL)
- f2 = "HELP";
- else
- *f2++ = '\0';
- if ((f3 = strchr(f2, ':')) == NULL)
- f3 = "HELP";
- else
- *f3++ = '\0';
- if ((f4 = strchr(f3, ':')) == NULL)
- f4 = "HELP";
- else
- *f4++ = '\0';
-
- /* Write the fields. */
- fprintf(F, "%s\\\n", site);
- fprintf(F, "\t:");
- DoSub(F, f2);
- fprintf(F, "\\\n");
- if (strcmp(f3, "n") == 0)
- fprintf(F, "\t:Tf,Wnm\\\n", f3);
- else
- fprintf(F, "\t:HELP%s\\\n", f3);
- fprintf(F, "\t:%s\n", f4);
- if (ferror(F) || fclose(F) == EOF)
- perror(TEMPFILE), exit(1);
-
- free(site);
-
- /* Find the sitename. */
- for (q = p; *q && *q != '/' && *q != ':'; q++)
- continue;
- *q = '\0';
-
- /* Append temp file to site file. */
- if ((F = fopen(TEMPFILE, "r")) == NULL)
- perror(TEMPFILE), exit(1);
- if ((out = xfopena(p)) == NULL)
- perror(p), exit(1);
- while ((i = fread(buff, 1, sizeof buff, F)) > 0)
- if (fwrite(buff, 1, i, out) != i)
- perror(p), exit(1);
- fclose(F);
- if (fclose(out) == EOF)
- perror(p), exit(1);
-
- if (unlink(TEMPFILE) < 0)
- perror("can't unlink temp file");
- }
-
- exit(0);
- /* NOTREACHED */
-}
~ian / inn-innduct.git / blobdiff