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-rw-r--r--package/uhttpd/src/uhttpd-cgi.c11
-rw-r--r--package/uhttpd/src/uhttpd-file.c12
-rw-r--r--package/uhttpd/src/uhttpd-utils.c24
-rw-r--r--package/uhttpd/src/uhttpd.c88
-rw-r--r--package/uhttpd/src/uhttpd.h4
5 files changed, 122 insertions, 17 deletions
diff --git a/package/uhttpd/src/uhttpd-cgi.c b/package/uhttpd/src/uhttpd-cgi.c
index 855a72f569..0861249162 100644
--- a/package/uhttpd/src/uhttpd-cgi.c
+++ b/package/uhttpd/src/uhttpd-cgi.c
@@ -234,6 +234,17 @@ void uh_cgi_request(struct client *cl, struct http_request *req, struct path_inf
if( pi->info )
setenv("PATH_INFO", pi->info, 1);
+ /* REDIRECT_STATUS, php-cgi wants it */
+ switch( req->redirect_status )
+ {
+ case 404:
+ setenv("REDIRECT_STATUS", "404", 1);
+ break;
+
+ default:
+ setenv("REDIRECT_STATUS", "200", 1);
+ break;
+ }
/* http version */
if( req->version > 1.0 )
diff --git a/package/uhttpd/src/uhttpd-file.c b/package/uhttpd/src/uhttpd-file.c
index 81f66a34b0..850a14175c 100644
--- a/package/uhttpd/src/uhttpd-file.c
+++ b/package/uhttpd/src/uhttpd-file.c
@@ -29,7 +29,7 @@
static const char * uh_file_mime_lookup(const char *path)
{
struct mimetype *m = &uh_mime_types[0];
- char *e;
+ const char *e;
while( m->extn )
{
@@ -275,7 +275,9 @@ static void uh_file_dirlist(struct client *cl, struct http_request *req, struct
strncat(filename, files[i]->d_name,
sizeof(filename) - strlen(files[i]->d_name));
- if( !stat(filename, &s) && (s.st_mode & S_IFDIR) )
+ if( !stat(filename, &s) &&
+ (s.st_mode & S_IFDIR) && (s.st_mode & S_IXOTH)
+ )
uh_http_sendf(cl, req,
"<li><strong><a href='%s%s'>%s</a>/</strong><br />"
"<small>modified: %s<br />directory - %.02f kbyte"
@@ -293,7 +295,9 @@ static void uh_file_dirlist(struct client *cl, struct http_request *req, struct
strncat(filename, files[i]->d_name,
sizeof(filename) - strlen(files[i]->d_name));
- if( !stat(filename, &s) && !(s.st_mode & S_IFDIR) )
+ if( !stat(filename, &s) &&
+ !(s.st_mode & S_IFDIR) && (s.st_mode & S_IROTH)
+ )
uh_http_sendf(cl, req,
"<li><strong><a href='%s%s'>%s</a></strong><br />"
"<small>modified: %s<br />%s - %.02f kbyte<br />"
@@ -369,7 +373,7 @@ void uh_file_request(struct client *cl, struct http_request *req, struct path_in
}
/* directory */
- else if( pi->stat.st_mode & S_IFDIR )
+ else if( (pi->stat.st_mode & S_IFDIR) && !cl->server->conf->no_dirlists )
{
/* write status */
uh_file_response_200(cl, req, NULL);
diff --git a/package/uhttpd/src/uhttpd-utils.c b/package/uhttpd/src/uhttpd-utils.c
index caa6b12bc6..60badf26df 100644
--- a/package/uhttpd/src/uhttpd-utils.c
+++ b/package/uhttpd/src/uhttpd-utils.c
@@ -464,6 +464,9 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
int i = 0;
struct stat s;
+ /* back out early if url is undefined */
+ if ( url == NULL )
+ return NULL;
memset(path_phys, 0, sizeof(path_phys));
memset(path_info, 0, sizeof(path_info));
@@ -550,18 +553,31 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
memcpy(buffer, path_phys, sizeof(buffer));
pathptr = &buffer[strlen(buffer)];
- for( i = 0; i < array_size(uh_index_files); i++ )
+ if( cl->server->conf->index_file )
{
- strncat(buffer, uh_index_files[i], sizeof(buffer));
+ strncat(buffer, cl->server->conf->index_file, sizeof(buffer));
if( !stat(buffer, &s) && (s.st_mode & S_IFREG) )
{
memcpy(path_phys, buffer, sizeof(path_phys));
memcpy(&p.stat, &s, sizeof(p.stat));
- break;
}
+ }
+ else
+ {
+ for( i = 0; i < array_size(uh_index_files); i++ )
+ {
+ strncat(buffer, uh_index_files[i], sizeof(buffer));
- *pathptr = 0;
+ if( !stat(buffer, &s) && (s.st_mode & S_IFREG) )
+ {
+ memcpy(path_phys, buffer, sizeof(path_phys));
+ memcpy(&p.stat, &s, sizeof(p.stat));
+ break;
+ }
+
+ *pathptr = 0;
+ }
}
p.root = docroot;
diff --git a/package/uhttpd/src/uhttpd.c b/package/uhttpd/src/uhttpd.c
index 2f77a32a96..82729627e0 100644
--- a/package/uhttpd/src/uhttpd.c
+++ b/package/uhttpd/src/uhttpd.c
@@ -47,7 +47,7 @@ static void uh_sigchld(int sig)
while( waitpid(-1, NULL, WNOHANG) > 0 ) { }
}
-static void uh_config_parse(const char *path)
+static void uh_config_parse(struct config *conf)
{
FILE *c;
char line[512];
@@ -55,7 +55,10 @@ static void uh_config_parse(const char *path)
char *pass = NULL;
char *eol = NULL;
- if( (c = fopen(path ? path : "/etc/httpd.conf", "r")) != NULL )
+ const char *path = conf->file ? conf->file : "/etc/httpd.conf";
+
+
+ if( (c = fopen(path, "r")) != NULL )
{
memset(line, 0, sizeof(line));
@@ -74,9 +77,23 @@ static void uh_config_parse(const char *path)
"Notice: No password set for user %s, ignoring "
"authentication on %s\n", user, line
);
+ }
+ }
+ else if( !strncmp(line, "I:", 2) )
+ {
+ if( !(user = strchr(line, ':')) || (*user++ = 0) ||
+ !(eol = strchr(user, '\n')) || (*eol++ = 0) )
+ continue;
- break;
- }
+ conf->index_file = strdup(user);
+ }
+ else if( !strncmp(line, "E404:", 5) )
+ {
+ if( !(user = strchr(line, ':')) || (*user++ = 0) ||
+ !(eol = strchr(user, '\n')) || (*eol++ = 0) )
+ continue;
+
+ conf->error_handler = strdup(user);
}
}
@@ -302,6 +319,7 @@ static struct http_request * uh_http_header_parse(struct client *cl, char *buffe
}
/* valid enough */
+ req.redirect_status = 200;
return &req;
}
@@ -505,8 +523,9 @@ int main (int argc, char **argv)
}
#endif
- while( (opt = getopt(argc, argv, "fSC:K:p:s:h:c:l:L:d:r:m:x:t:T:")) > 0 )
- {
+ while( (opt = getopt(argc, argv,
+ "fSDC:K:E:I:p:s:h:c:l:L:d:r:m:x:t:T:")) > 0
+ ) {
switch(opt)
{
/* [addr:]port */
@@ -597,11 +616,38 @@ int main (int argc, char **argv)
}
break;
+ /* error handler */
+ case 'E':
+ if( (strlen(optarg) == 0) || (optarg[0] != '/') )
+ {
+ fprintf(stderr, "Error: Invalid error handler: %s\n",
+ optarg);
+ exit(1);
+ }
+ conf.error_handler = optarg;
+ break;
+
+ /* index file */
+ case 'I':
+ if( (strlen(optarg) == 0) || (optarg[0] == '/') )
+ {
+ fprintf(stderr, "Error: Invalid index page: %s\n",
+ optarg);
+ exit(1);
+ }
+ conf.index_file = optarg;
+ break;
+
/* don't follow symlinks */
case 'S':
conf.no_symlinks = 1;
break;
+ /* don't list directories */
+ case 'D':
+ conf.no_dirlists = 1;
+ break;
+
#ifdef HAVE_CGI
/* cgi prefix */
case 'x':
@@ -678,7 +724,10 @@ int main (int argc, char **argv)
" -K file ASN.1 server private key file\n"
#endif
" -h directory Specify the document root, default is '.'\n"
+ " -E string Use given virtual URL as 404 error handler\n"
+ " -I string Use given filename as index page for directories\n"
" -S Do not follow symbolic links outside of the docroot\n"
+ " -D Do not allow directory listings, send 403 instead\n"
#ifdef HAVE_LUA
" -l string URL prefix for Lua handler, default is '/lua'\n"
" -L file Lua handler script, omit to disable Lua\n"
@@ -727,7 +776,7 @@ int main (int argc, char **argv)
conf.realm = "Protected Area";
/* config file */
- uh_config_parse(conf.file);
+ uh_config_parse(&conf);
/* default network timeout */
if( conf.network_timeout <= 0 )
@@ -913,8 +962,29 @@ int main (int argc, char **argv)
/* 404 */
else
{
- uh_http_sendhf(cl, 404, "Not Found",
- "No such file or directory");
+ /* Try to invoke an error handler */
+ pin = uh_path_lookup(cl, conf.error_handler);
+
+ if( pin && uh_auth_check(cl, req, pin) )
+ {
+ req->redirect_status = 404;
+
+#ifdef HAVE_CGI
+ if( uh_path_match(conf.cgi_prefix, pin->name) )
+ {
+ uh_cgi_request(cl, req, pin);
+ }
+ else
+#endif
+ {
+ uh_file_request(cl, req, pin);
+ }
+ }
+ else
+ {
+ uh_http_sendhf(cl, 404, "Not Found",
+ "No such file or directory");
+ }
}
}
diff --git a/package/uhttpd/src/uhttpd.h b/package/uhttpd/src/uhttpd.h
index 32e3970072..c8fdaf4846 100644
--- a/package/uhttpd/src/uhttpd.h
+++ b/package/uhttpd/src/uhttpd.h
@@ -64,7 +64,10 @@ struct config {
char docroot[PATH_MAX];
char *realm;
char *file;
+ char *index_file;
+ char *error_handler;
int no_symlinks;
+ int no_dirlists;
int network_timeout;
#ifdef HAVE_CGI
char *cgi_prefix;
@@ -124,6 +127,7 @@ struct auth_realm {
struct http_request {
int method;
float version;
+ int redirect_status;
char *url;
char *headers[UH_LIMIT_HEADERS];
struct auth_realm *realm;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 09:28:23 +0000