+++ /dev/null
-/* $Id: list.c 7731 2008-04-06 08:40:29Z iulius $
-**
-** List commands.
-*/
-
-#include "config.h"
-#include "clibrary.h"
-
-#include "nnrpd.h"
-#include "ov.h"
-#include "inn/innconf.h"
-#include "inn/messages.h"
-
-typedef struct _LISTINFO {
- const char *method;
- const char * File;
- void (*impl)(struct _LISTINFO *);
- bool Required;
- const char * Items;
- const char * Format;
-} LISTINFO;
-
-static void cmd_list_schema(LISTINFO *lp);
-static void cmd_list_extensions(LISTINFO *lp);
-
-static LISTINFO INFOactive = {
- "active", _PATH_ACTIVE, NULL, true, "active newsgroups",
- "Newsgroups in form \"group high low flags\""
-};
-static LISTINFO INFOactivetimes = {
- "active.times", _PATH_ACTIVETIMES, NULL, false, "creation times",
- "Group creations in form \"name time who\""
-};
-static LISTINFO INFOdistribs = {
- "distributions", _PATH_NNRPDIST, NULL, false, "newsgroup distributions",
- "Distributions in form \"area description\""
-};
-static LISTINFO INFOsubs = {
- "subscriptions", _PATH_NNRPSUBS, NULL, false, "automatic group subscriptions",
- "Subscriptions in form \"group\""
-};
-static LISTINFO INFOdistribpats = {
- "distrib.pats", _PATH_DISTPATS, NULL, false, "distribution patterns",
- "Default distributions in form \"weight:pattern:value\""
-};
-static LISTINFO INFOextensions = {
- "extensions", NULL, cmd_list_extensions, false, "supported extensions",
- "Supported NNTP extensions"
-};
-static LISTINFO INFOgroups = {
- "newsgroups", _PATH_NEWSGROUPS, NULL, false, "newsgroup descriptions",
- "Descriptions in form \"group description\""
-};
-static LISTINFO INFOmoderators = {
- "moderators", _PATH_MODERATORS, NULL, false, "moderator patterns",
- "Newsgroup moderators in form \"group-pattern:mail-address-pattern\""
-};
-static LISTINFO INFOschema = {
- "overview.fmt", NULL, cmd_list_schema, true, "overview format",
- "Order of fields in overview database"
-};
-static LISTINFO INFOmotd = {
- "motd", _PATH_MOTD, NULL, false, "motd",
- "Message of the day text"
-};
-
-static LISTINFO *info[] = {
- &INFOactive,
- &INFOactivetimes,
- &INFOdistribs,
- &INFOsubs,
- &INFOdistribpats,
- &INFOextensions,
- &INFOgroups,
- &INFOmoderators,
- &INFOschema,
- &INFOmotd,
-};
-
-
-/*
-** List the overview schema
-*/
-static void
-cmd_list_schema(LISTINFO *lp)
-{
- const struct cvector *standard;
- unsigned int i;
-
- Reply("%d %s.\r\n", NNTP_LIST_FOLLOWS_VAL, lp->Format);
- standard = overview_fields();
- for (i = 0; i < standard->count; ++i) {
- Printf("%s:\r\n", standard->strings[i]);
- }
- for (i = 0; i < OVextra->count; ++i) {
- Printf("%s:full\r\n", OVextra->strings[i]);
- }
- Printf(".\r\n");
-}
-
-
-/*
-** List supported extensions
-*/
-static void
-cmd_list_extensions(LISTINFO *lp)
-{
- Reply("%d %s.\r\n", NNTP_SLAVEOK_VAL, lp->Format);
- if (PERMauthorized != true)
- Printf("AUTHINFO USER\r\n");
- Printf("LISTGROUP\r\n");
- Printf(".\r\n");
-}
-
-
-/*
-** List a single newsgroup. Called by LIST ACTIVE with a single argument.
-** This is quicker than parsing the whole active file, but only works with
-** single groups. It also doesn't work for aliased groups, since overview
-** doesn't know what group the group is aliased to (yet). Returns whether we
-** were able to answer the command.
-*/
-static bool
-CMD_list_single(char *group)
-{
- char *grplist[2] = { NULL, NULL };
- int lo, hi, flag;
-
- if (PERMspecified) {
- grplist[0] = group;
- if (!PERMmatch(PERMreadlist, grplist))
- return false;
- }
- if (OVgroupstats(group, &lo, &hi, NULL, &flag) && flag != '=') {
- Reply("%d %s.\r\n", NNTP_LIST_FOLLOWS_VAL, INFOactive.Format);
- Printf("%s %010u %010u %c\r\n.\r\n", group, hi, lo, flag);
- return true;
- }
- return false;
-}
-
-
-/*
-** List active newsgroups, newsgroup descriptions, and distributions.
-*/
-void
-CMDlist(int ac, char *av[])
-{
- QIOSTATE *qp;
- char *p;
- char *save;
- char *path;
- char *q;
- char *grplist[2];
- LISTINFO *lp;
- char *wildarg = NULL;
- char savec;
- unsigned int i;
-
- p = av[1];
- if (p == NULL) {
- lp = &INFOactive;
- } else {
- lp = NULL;
- for (i = 0; i < ARRAY_SIZE(info); ++i) {
- if (strcasecmp(p, info[i]->method) == 0) {
- lp = info[i];
- break;
- }
- }
- }
- if (lp == NULL) {
- Reply("%s\r\n", NNTP_SYNTAX_USE);
- return;
- }
- if (lp == &INFOactive) {
- if (ac == 3) {
- wildarg = av[2];
- if (CMD_list_single(wildarg))
- return;
- }
- } else if (lp == &INFOgroups || lp == &INFOactivetimes) {
- if (ac == 3)
- wildarg = av[2];
- }
-
- if (ac > 2 && !wildarg) {
- Reply("%s\r\n", NNTP_SYNTAX_USE);
- return;
- }
-
- if (lp->impl != NULL) {
- lp->impl(lp);
- return;
- }
-
- path = innconf->pathetc;
- if ((strstr(lp->File, "active") != NULL) ||
- (strstr(lp->File, "newsgroups") != NULL))
- path = innconf->pathdb;
- if (strchr(lp->File, '/') != NULL)
- path = "";
- path = concatpath(path, lp->File);
- qp = QIOopen(path);
- free(path);
- if (qp == NULL) {
- Reply("%d No list of %s available.\r\n",
- NNTP_TEMPERR_VAL, lp->Items);
- if (lp->Required || errno != ENOENT) {
- syslog(L_ERROR, "%s cant fopen %s %m", ClientHost, lp->File);
- }
- return;
- }
-
- Reply("%d %s.\r\n", NNTP_LIST_FOLLOWS_VAL, lp->Format);
- if (!PERMspecified) {
- /* Optmize for unlikely case of no permissions and false default. */
- QIOclose(qp);
- Printf(".\r\n");
- return;
- }
-
- /* Set up group list terminator. */
- grplist[1] = NULL;
-
- /* Read lines, ignore long ones. */
- while ((p = QIOread(qp)) != NULL) {
- if (lp == &INFOmotd) {
- Printf("%s\r\n", p);
- continue;
- }
- if (p[0] == '.' && p[1] == '\0') {
- syslog(L_ERROR, "%s single dot in %s", ClientHost, lp->File);
- continue;
- }
- /* matching patterns against patterns is not that
- good but it's better than nothing ... */
- if (lp == &INFOdistribpats) {
- if (*p == '\0' || *p == '#' || *p == ';' || *p == ' ')
- continue;
- if (PERMspecified) {
- if ((q = strchr(p, ':')) == NULL)
- continue;
- q++;
- if ((save = strchr(q, ':')) == NULL)
- continue;
- *save = '\0';
- grplist[0] = q;
- if (!PERMmatch(PERMreadlist, grplist))
- continue;
- *save = ':';
- }
- Printf("%s\r\n", p);
- continue;
- }
- if (lp == &INFOdistribs || lp == &INFOmoderators) {
- if (*p != '\0' && *p != '#' && *p != ';' && *p != ' ')
- Printf("%s\r\n", p);
- continue;
- }
- savec = '\0';
- for (save = p; *save != '\0'; save++) {
- if (*save == ' ' || *save == '\t') {
- savec = *save;
- *save = '\0';
- break;
- }
- }
-
- if (PERMspecified) {
- grplist[0] = p;
- if (!PERMmatch(PERMreadlist, grplist))
- continue;
- }
- if (wildarg && !uwildmat(p, wildarg))
- continue;
- if (savec != '\0')
- *save = savec;
- Printf("%s\r\n", p);
- }
- QIOclose(qp);
-
- Printf(".\r\n");
-}
~ian / innduct.git / blobdiff