#include <stdlib.h>
#include <stdio.h>
-#include <string.h>
#include <unistd.h>
+#include <string.h>
#include <errno.h>
-#include <sys/stat.h>
-#include <ctype.h>
-#include <dirent.h>
#include <fnmatch.h>
-#include <time.h>
+#include <sys/stat.h>
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <utils.h>
-#include <mt.h>
#include <log.h>
-#include <req.h>
-#include <proc.h>
-#include <resp.h>
#include <cf.h>
-#define PAT_BASENAME 0
-#define PAT_PATHNAME 1
-#define PAT_ALL 2
-#define PAT_DEFAULT 3
-
-#define PT_FILE 0
-#define PT_DIR 1
-
-struct config {
- struct config *next, *prev;
- char *path;
- time_t mtime, lastck;
- struct child *children;
- struct pattern *patterns;
- char **index;
-};
-
-struct rule {
- int type;
- char **patterns;
-};
-
-struct pattern {
- struct pattern *next;
- int type;
- char *childnm;
- char **fchild;
- struct rule **rules;
-};
+#include "dirplex.h"
static struct config *cflist;
-static struct config *gconfig, *lconfig;
-static time_t now;
+struct config *gconfig, *lconfig;
static void freerule(struct rule *rule)
{
free(cf);
}
-static struct child *getchild(struct config *cf, char *name)
+struct child *getchild(struct config *cf, char *name)
{
struct child *ch;
return(cf);
}
-static struct config *readconfig(char *file)
+struct config *readconfig(char *file)
{
struct cfstate *s;
FILE *in;
return(cf);
}
-static struct config *getconfig(char *path)
+struct config *getconfig(char *path)
{
struct config *cf;
struct stat sb;
return(cf);
}
-static struct config **getconfigs(char *file)
+struct config **getconfigs(char *file)
{
static struct config **ret = NULL;
struct {
return(ret = buf.b);
}
-static struct child *findchild(char *file, char *name)
+struct child *findchild(char *file, char *name)
{
int i;
struct config **cfs;
return(ch);
}
-static struct pattern *findmatch(char *file, int trydefault, int dir)
+struct pattern *findmatch(char *file, int trydefault, int dir)
{
int i, o, c;
char *bn;
return(findmatch(file, 1, dir));
return(NULL);
}
-
-static void handle(struct hthead *req, int fd, char *path, struct pattern *pat)
-{
- struct child *ch;
-
- headappheader(req, "X-Ash-File", path);
- if(pat->fchild) {
- stdforkserve(pat->fchild, req, fd);
- } else {
- if((ch = findchild(path, pat->childnm)) == NULL) {
- flog(LOG_ERR, "child %s requested, but was not declared", pat->childnm);
- simpleerror(fd, 500, "Configuration Error", "The server is erroneously configured. Handler %s was requested, but not declared.", pat->childnm);
- return;
- }
- if(childhandle(ch, req, fd))
- simpleerror(fd, 500, "Server Error", "The request handler crashed.");
- }
-}
-
-static void handlefile(struct hthead *req, int fd, char *path)
-{
- struct pattern *pat;
-
- if((pat = findmatch(path, 0, 0)) == NULL) {
- simpleerror(fd, 404, "Not Found", "The requested URL has no corresponding resource.");
- return;
- }
- handle(req, fd, path, pat);
-}
-
-static char *findfile(char *path, char *name, struct stat *sb)
-{
- DIR *dir;
- struct stat sbuf;
- struct dirent *dent;
- char *p, *fp, *ret;
-
- if(sb == NULL)
- sb = &sbuf;
- if((dir = opendir(path)) == NULL)
- return(NULL);
- ret = NULL;
- while((dent = readdir(dir)) != NULL) {
- /* Ignore backup files.
- * XXX: There is probably a better and more extensible way to
- * do this. */
- if(dent->d_name[strlen(dent->d_name) - 1] == '~')
- continue;
- if((p = strchr(dent->d_name, '.')) == NULL)
- continue;
- if(p - dent->d_name != strlen(name))
- continue;
- if(strncmp(dent->d_name, name, strlen(name)))
- continue;
- fp = sprintf3("%s/%s", path, dent->d_name);
- if(stat(fp, sb))
- continue;
- if(!S_ISREG(sb->st_mode))
- continue;
- ret = sstrdup(fp);
- break;
- }
- closedir(dir);
- return(ret);
-}
-
-static void handledir(struct hthead *req, int fd, char *path)
-{
- struct config **cfs;
- int i, o;
- struct stat sb;
- char *inm, *ipath, *cpath;
- struct pattern *pat;
-
- cpath = sprintf2("%s/", path);
- cfs = getconfigs(cpath);
- for(i = 0; cfs[i] != NULL; i++) {
- if(cfs[i]->index != NULL) {
- for(o = 0; cfs[i]->index[o] != NULL; o++) {
- inm = cfs[i]->index[o];
- ipath = sprintf2("%s/%s", path, inm);
- if(!stat(ipath, &sb) && S_ISREG(sb.st_mode)) {
- handlefile(req, fd, ipath);
- free(ipath);
- goto out;
- }
- free(ipath);
-
- if(!strchr(inm, '.') && ((ipath = findfile(path, inm, NULL)) != NULL)) {
- handlefile(req, fd, ipath);
- free(ipath);
- goto out;
- }
- }
- break;
- }
- }
- if((pat = findmatch(cpath, 0, 1)) != NULL) {
- handle(req, fd, cpath, pat);
- goto out;
- }
- simpleerror(fd, 403, "Not Authorized", "Will not send listings for this directory.");
-
-out:
- free(cpath);
-}
-
-static int checkpath(struct hthead *req, int fd, char *path, char *rest);
-
-static int checkentry(struct hthead *req, int fd, char *path, char *rest, char *el)
-{
- struct stat sb;
- char *newpath;
- int rv;
-
- if(!el == '.') {
- simpleerror(fd, 404, "Not Found", "The requested URL has no corresponding resource.");
- return(1);
- }
- if(!stat(sprintf3("%s/%s", path, el), &sb)) {
- if(S_ISDIR(sb.st_mode)) {
- if(!*rest) {
- stdredir(req, fd, 301, sprintf3("%s/", el));
- return(1);
- }
- newpath = sprintf2("%s/%s", path, el);
- rv = checkpath(req, fd, newpath, rest + 1);
- free(newpath);
- return(rv);
- } else if(S_ISREG(sb.st_mode)) {
- newpath = sprintf2("%s/%s", path, el);
- replrest(req, rest);
- handlefile(req, fd, newpath);
- free(newpath);
- return(1);
- }
- simpleerror(fd, 404, "Not Found", "The requested URL has no corresponding resource.");
- return(1);
- }
- if(!strchr(el, '.') && ((newpath = findfile(path, el, NULL)) != NULL)) {
- replrest(req, rest);
- handlefile(req, fd, newpath);
- free(newpath);
- return(1);
- }
- return(0);
-}
-
-static int checkpath(struct hthead *req, int fd, char *path, char *rest)
-{
- struct config *cf;
- char *p, *el;
- int rv;
-
- el = NULL;
- rv = 0;
-
- if(!strncmp(path, "./", 2))
- path += 2;
- cf = getconfig(path);
-
- if((p = strchr(rest, '/')) == NULL) {
- el = unquoteurl(rest);
- rest = "";
- } else {
- char buf[p - rest + 1];
- memcpy(buf, rest, p - rest);
- buf[p - rest] = 0;
- el = unquoteurl(buf);
- rest = p;
- }
- if(el == NULL) {
- simpleerror(fd, 400, "Bad Request", "The requested URL contains an invalid escape sequence.");
- rv = 1;
- goto out;
- }
- if(strchr(el, '/') || (!*el && *rest)) {
- simpleerror(fd, 404, "Not Found", "The requested URL has no corresponding resource.");
- rv = 1;
- goto out;
- }
- if(!*el) {
- replrest(req, rest);
- handledir(req, fd, path);
- return(1);
- }
- rv = checkentry(req, fd, path, rest, el);
-
-out:
- if(el != NULL)
- free(el);
- return(rv);
-}
-
-static void serve(struct hthead *req, int fd)
-{
- now = time(NULL);
- if(!checkpath(req, fd, ".", req->rest))
- simpleerror(fd, 404, "Not Found", "The requested URL has no corresponding resource.");
-}
-
-static void usage(FILE *out)
-{
- fprintf(out, "usage: dirplex [-hN] [-c CONFIG] DIR\n");
-}
-
-int main(int argc, char **argv)
-{
- int c;
- int nodef;
- char *gcf, *lcf, *clcf;
- struct hthead *req;
- int fd;
-
- nodef = 0;
- lcf = NULL;
- while((c = getopt(argc, argv, "hNc:")) >= 0) {
- switch(c) {
- case 'h':
- usage(stdout);
- exit(0);
- case 'N':
- nodef = 1;
- break;
- case 'c':
- lcf = optarg;
- break;
- default:
- usage(stderr);
- exit(1);
- }
- }
- if(argc - optind < 1) {
- usage(stderr);
- exit(1);
- }
- if(!nodef) {
- if((gcf = findstdconf("ashd/dirplex.rc")) != NULL) {
- gconfig = readconfig(gcf);
- free(gcf);
- }
- }
- if(lcf != NULL) {
- if(strchr(lcf, '/') == NULL) {
- if((clcf = findstdconf(sprintf3("ashd/%s", lcf))) == NULL) {
- flog(LOG_ERR, "could not find requested configuration `%s'", lcf);
- exit(1);
- }
- if((lconfig = readconfig(clcf)) == NULL)
- exit(1);
- free(clcf);
- } else {
- if((lconfig = readconfig(lcf)) == NULL)
- exit(1);
- }
- }
- if(chdir(argv[optind])) {
- flog(LOG_ERR, "could not change directory to %s: %s", argv[optind], strerror(errno));
- exit(1);
- }
- signal(SIGCHLD, SIG_IGN);
- while(1) {
- if((fd = recvreq(0, &req)) < 0) {
- if(errno != 0)
- flog(LOG_ERR, "recvreq: %s", strerror(errno));
- break;
- }
- serve(req, fd);
- freehthead(req);
- close(fd);
- }
- return(0);
-}
Dolda2000 GitWeb / ashd.git / blobdiff