Browse Source
git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-merge-1.4.x@541 152afb58-edef-0310-8abb-c4023f1b3aa9svn/tags/lighttpd-1.4.2
12 changed files with 1769 additions and 1337 deletions
@ -0,0 +1,650 @@
|
||||
#include <ctype.h> |
||||
#include <stdlib.h> |
||||
#include <string.h> |
||||
#include <dirent.h> |
||||
#include <assert.h> |
||||
#include <errno.h> |
||||
#include <stdio.h> |
||||
#include <unistd.h> |
||||
#include <time.h> |
||||
|
||||
#include "base.h" |
||||
#include "log.h" |
||||
#include "buffer.h" |
||||
|
||||
#include "plugin.h" |
||||
|
||||
#include "config.h" |
||||
#include "response.h" |
||||
#include "stat_cache.h" |
||||
#include "stream.h" |
||||
|
||||
/**
|
||||
* this is a dirlisting for a lighttpd plugin |
||||
*/ |
||||
|
||||
|
||||
#ifdef HAVE_SYS_SYSLIMITS_H |
||||
#include <sys/syslimits.h> |
||||
#endif |
||||
|
||||
#ifdef HAVE_ATTR_ATTRIBUTES_H |
||||
#include <attr/attributes.h> |
||||
#endif |
||||
|
||||
/* plugin config for all request/connections */ |
||||
|
||||
typedef struct { |
||||
unsigned short dir_listing; |
||||
unsigned short hide_dot_files; |
||||
unsigned short show_readme; |
||||
|
||||
buffer *external_css; |
||||
buffer *encoding; |
||||
} plugin_config; |
||||
|
||||
typedef struct { |
||||
PLUGIN_DATA; |
||||
|
||||
buffer *tmp_buf; |
||||
|
||||
plugin_config **config_storage; |
||||
|
||||
plugin_config conf;
|
||||
} plugin_data; |
||||
|
||||
/* init the plugin data */ |
||||
INIT_FUNC(mod_dirlisting_init) { |
||||
plugin_data *p; |
||||
|
||||
p = calloc(1, sizeof(*p)); |
||||
p->tmp_buf = buffer_init(); |
||||
|
||||
return p; |
||||
} |
||||
|
||||
/* detroy the plugin data */ |
||||
FREE_FUNC(mod_dirlisting_free) { |
||||
plugin_data *p = p_d; |
||||
|
||||
UNUSED(srv); |
||||
|
||||
if (!p) return HANDLER_GO_ON; |
||||
|
||||
if (p->config_storage) { |
||||
size_t i; |
||||
for (i = 0; i < srv->config_context->used; i++) { |
||||
plugin_config *s = p->config_storage[i]; |
||||
|
||||
if (!s) continue; |
||||
|
||||
buffer_free(s->external_css); |
||||
buffer_free(s->encoding); |
||||
|
||||
free(s); |
||||
} |
||||
free(p->config_storage); |
||||
} |
||||
|
||||
buffer_free(p->tmp_buf); |
||||
|
||||
free(p); |
||||
|
||||
return HANDLER_GO_ON; |
||||
} |
||||
|
||||
/* handle plugin config and check values */ |
||||
|
||||
SETDEFAULTS_FUNC(mod_dirlisting_set_defaults) { |
||||
plugin_data *p = p_d; |
||||
size_t i = 0; |
||||
|
||||
config_values_t cv[] = {
|
||||
{ "dir-listing.activate", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 0 */ |
||||
{ "dir-listing.hide-dotfiles", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 1 */ |
||||
{ "dir-listing.external-css", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 2 */ |
||||
{ "dir-listing.encoding", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 3 */ |
||||
{ "dir-listing.show-readme", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 4 */ |
||||
{ "server.dir-listing", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 5 */ |
||||
|
||||
{ NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET } |
||||
}; |
||||
|
||||
if (!p) return HANDLER_ERROR; |
||||
|
||||
p->config_storage = calloc(1, srv->config_context->used * sizeof(specific_config *)); |
||||
|
||||
for (i = 0; i < srv->config_context->used; i++) { |
||||
plugin_config *s; |
||||
|
||||
s = calloc(1, sizeof(plugin_config)); |
||||
s->dir_listing = 0; |
||||
s->external_css = buffer_init(); |
||||
s->hide_dot_files = 0; |
||||
s->show_readme = 0; |
||||
s->encoding = buffer_init(); |
||||
|
||||
cv[0].destination = &(s->dir_listing); |
||||
cv[1].destination = &(s->hide_dot_files); |
||||
cv[2].destination = s->external_css; |
||||
cv[3].destination = s->encoding; |
||||
cv[4].destination = &(s->show_readme); |
||||
cv[5].destination = &(s->dir_listing); /* old name */ |
||||
|
||||
p->config_storage[i] = s; |
||||
|
||||
if (0 != config_insert_values_global(srv, ((data_config *)srv->config_context->data[i])->value, cv)) { |
||||
return HANDLER_ERROR; |
||||
} |
||||
} |
||||
|
||||
return HANDLER_GO_ON; |
||||
} |
||||
|
||||
#define PATCH(x) \ |
||||
p->conf.x = s->x; |
||||
static int mod_dirlisting_patch_connection(server *srv, connection *con, plugin_data *p) { |
||||
size_t i, j; |
||||
plugin_config *s = p->config_storage[0]; |
||||
|
||||
PATCH(dir_listing); |
||||
PATCH(external_css); |
||||
PATCH(hide_dot_files); |
||||
PATCH(encoding); |
||||
PATCH(show_readme); |
||||
|
||||
/* skip the first, the global context */ |
||||
for (i = 1; i < srv->config_context->used; i++) { |
||||
data_config *dc = (data_config *)srv->config_context->data[i]; |
||||
s = p->config_storage[i]; |
||||
|
||||
/* condition didn't match */ |
||||
if (!config_check_cond(srv, con, dc)) continue; |
||||
|
||||
/* merge config */ |
||||
for (j = 0; j < dc->value->used; j++) { |
||||
data_unset *du = dc->value->data[j]; |
||||
|
||||
if (buffer_is_equal_string(du->key, CONST_STR_LEN("dir-listing.activate"))) { |
||||
PATCH(dir_listing); |
||||
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("dir-listing.hide-dotfiles"))) { |
||||
PATCH(hide_dot_files); |
||||
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("dir-listing.external-css"))) { |
||||
PATCH(external_css); |
||||
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("dir-listing.encoding"))) { |
||||
PATCH(encoding); |
||||
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("dir-listing.show-readme"))) { |
||||
PATCH(show_readme); |
||||
} |
||||
} |
||||
} |
||||
|
||||
return 0; |
||||
} |
||||
#undef PATCH |
||||
|
||||
typedef struct { |
||||
size_t namelen; |
||||
time_t mtime; |
||||
off_t size; |
||||
} dirls_entry_t; |
||||
|
||||
typedef struct { |
||||
dirls_entry_t **ent; |
||||
size_t used; |
||||
size_t size; |
||||
} dirls_list_t; |
||||
|
||||
#define DIRLIST_ENT_NAME(ent) ((char*)(ent) + sizeof(dirls_entry_t)) |
||||
#define DIRLIST_BLOB_SIZE 16 |
||||
|
||||
/* simple combsort algorithm */ |
||||
static void http_dirls_sort(dirls_entry_t **ent, int num) { |
||||
int gap = num; |
||||
int i, j; |
||||
int swapped; |
||||
dirls_entry_t *tmp; |
||||
|
||||
do { |
||||
gap = (gap * 10) / 13; |
||||
if (gap == 9 || gap == 10) |
||||
gap = 11; |
||||
if (gap < 1) |
||||
gap = 1; |
||||
swapped = 0; |
||||
|
||||
for (i = 0; i < num - gap; i++) { |
||||
j = i + gap; |
||||
if (strcmp(DIRLIST_ENT_NAME(ent[i]), DIRLIST_ENT_NAME(ent[j])) > 0) { |
||||
tmp = ent[i]; |
||||
ent[i] = ent[j]; |
||||
ent[j] = tmp; |
||||
swapped = 1; |
||||
} |
||||
} |
||||
|
||||
} while (gap > 1 || swapped); |
||||
} |
||||
|
||||
/* buffer must be able to hold "999.9K"
|
||||
* conversion is simple but not perfect |
||||
*/ |
||||
static int http_list_directory_sizefmt(char *buf, off_t size) { |
||||
const char unit[] = "KMGTPE"; /* Kilo, Mega, Tera, Peta, Exa */ |
||||
const char *u = unit - 1; /* u will always increment at least once */ |
||||
int remain; |
||||
char *out = buf; |
||||
|
||||
if (size < 100) |
||||
size += 99; |
||||
if (size < 100) |
||||
size = 0; |
||||
|
||||
while (1) { |
||||
remain = (int) size & 1023; |
||||
size >>= 10; |
||||
u++; |
||||
if ((size & (~0 ^ 1023)) == 0) |
||||
break; |
||||
} |
||||
|
||||
remain /= 100; |
||||
if (remain > 9) |
||||
remain = 9; |
||||
if (size > 999) { |
||||
size = 0; |
||||
remain = 9; |
||||
u++; |
||||
} |
||||
|
||||
out += ltostr(out, size); |
||||
out[0] = '.'; |
||||
out[1] = remain + '0'; |
||||
out[2] = *u; |
||||
out[3] = '\0'; |
||||
|
||||
return (out + 3 - buf); |
||||
} |
||||
|
||||
static void http_list_directory_header(server *srv, connection *con, plugin_data *p, buffer *out) { |
||||
UNUSED(srv); |
||||
|
||||
BUFFER_APPEND_STRING_CONST(out, |
||||
"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">\n" |
||||
"<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\">\n" |
||||
"<head>\n" |
||||
"<title>Index of " |
||||
); |
||||
buffer_append_string_html_encoded(out, CONST_BUF_LEN(con->uri.path)); |
||||
BUFFER_APPEND_STRING_CONST(out, "</title>\n"); |
||||
|
||||
if (p->conf.external_css->used > 1) { |
||||
BUFFER_APPEND_STRING_CONST(out, "<link rel=\"stylesheet\" type=\"text/css\" href=\""); |
||||
buffer_append_string_buffer(out, p->conf.external_css); |
||||
BUFFER_APPEND_STRING_CONST(out, "\" />\n"); |
||||
} else { |
||||
BUFFER_APPEND_STRING_CONST(out, |
||||
"<style type=\"text/css\">\n" |
||||
"a, a:active {text-decoration: none; color: blue;}\n" |
||||
"a:visited {color: #48468F;}\n" |
||||
"a:hover, a:focus {text-decoration: underline; color: red;}\n" |
||||
"body {background-color: #F5F5F5;}\n" |
||||
"h2 {margin-bottom: 12px;}\n" |
||||
"table {margin-left: 12px;}\n" |
||||
"th, td {" |
||||
" font-family: \"Courier New\", Courier, monospace;" |
||||
" font-size: 10pt;" |
||||
" text-align: left;" |
||||
"}\n" |
||||
"th {" |
||||
" font-weight: bold;" |
||||
" padding-right: 14px;" |
||||
" padding-bottom: 3px;" |
||||
"}\n" |
||||
); |
||||
BUFFER_APPEND_STRING_CONST(out, |
||||
"td {padding-right: 14px;}\n" |
||||
"td.s, th.s {text-align: right;}\n" |
||||
"div.list {" |
||||
" background-color: white;" |
||||
" border-top: 1px solid #646464;" |
||||
" border-bottom: 1px solid #646464;" |
||||
" padding-top: 10px;" |
||||
" padding-bottom: 14px;" |
||||
"}\n" |
||||
"div.foot {" |
||||
" font-family: \"Courier New\", Courier, monospace;" |
||||
" font-size: 10pt;" |
||||
" color: #787878;" |
||||
" padding-top: 4px;" |
||||
"}\n" |
||||
"</style>\n" |
||||
); |
||||
} |
||||
|
||||
BUFFER_APPEND_STRING_CONST(out, "</head>\n<body>\n<h2>Index of "); |
||||
buffer_append_string_html_encoded(out, CONST_BUF_LEN(con->uri.path)); |
||||
BUFFER_APPEND_STRING_CONST(out, |
||||
"</h2>\n" |
||||
"<div class=\"list\">\n" |
||||
"<table cellpadding=\"0\" cellspacing=\"0\">\n" |
||||
"<thead>" |
||||
"<tr>" |
||||
"<th class=\"n\">Name</th>" |
||||
"<th class=\"m\">Last Modified</th>" |
||||
"<th class=\"s\">Size</th>" |
||||
"<th class=\"t\">Type</th>" |
||||
"</tr>" |
||||
"</thead>\n" |
||||
"<tbody>\n" |
||||
"<tr>" |
||||
"<td class=\"n\"><a href=\"../\">Parent Directory</a>/</td>" |
||||
"<td class=\"m\"> </td>" |
||||
"<td class=\"s\">- </td>" |
||||
"<td class=\"t\">Directory</td>" |
||||
"</tr>\n" |
||||
); |
||||
} |
||||
|
||||
static void http_list_directory_footer(server *srv, connection *con, plugin_data *p, buffer *out) { |
||||
UNUSED(srv); |
||||
|
||||
BUFFER_APPEND_STRING_CONST(out, |
||||
"</tbody>\n" |
||||
"</table>\n" |
||||
"</div>\n" |
||||
); |
||||
|
||||
if (p->conf.show_readme) { |
||||
stream s; |
||||
/* if we have a README file, display it in <pre class="readme"></pre> */ |
||||
|
||||
buffer_copy_string_buffer(p->tmp_buf, con->physical.path); |
||||
BUFFER_APPEND_SLASH(p->tmp_buf); |
||||
BUFFER_APPEND_STRING_CONST(p->tmp_buf, "README.txt"); |
||||
|
||||
if (-1 != stream_open(&s, p->tmp_buf)) { |
||||
BUFFER_APPEND_STRING_CONST(out, "<pre class=\"readme\">"); |
||||
buffer_append_string_html_encoded(out, s.start, s.size); |
||||
BUFFER_APPEND_STRING_CONST(out, "</pre>"); |
||||
} |
||||
stream_close(&s); |
||||
} |
||||
|
||||
BUFFER_APPEND_STRING_CONST(out, |
||||
"<div class=\"foot\">" |
||||
); |
||||
|
||||
if (buffer_is_empty(con->conf.server_tag)) { |
||||
BUFFER_APPEND_STRING_CONST(out, PACKAGE_NAME "/" PACKAGE_VERSION); |
||||
} else { |
||||
buffer_append_string_buffer(out, con->conf.server_tag); |
||||
} |
||||
|
||||
BUFFER_APPEND_STRING_CONST(out, |
||||
"</div>\n" |
||||
"</body>\n" |
||||
"</html>\n" |
||||
); |
||||
} |
||||
|
||||
static int http_list_directory(server *srv, connection *con, plugin_data *p, buffer *dir) { |
||||
DIR *dp; |
||||
buffer *out; |
||||
struct dirent *dent; |
||||
struct stat st; |
||||
char *path, *path_file; |
||||
size_t i; |
||||
int hide_dotfiles = p->conf.hide_dot_files; |
||||
dirls_list_t dirs, files, *list; |
||||
dirls_entry_t *tmp; |
||||
char sizebuf[sizeof("999.9K")]; |
||||
char datebuf[sizeof("2005-Jan-01 22:23:24")]; |
||||
size_t k; |
||||
const char *content_type; |
||||
long name_max; |
||||
#ifdef HAVE_XATTR |
||||
char attrval[128]; |
||||
int attrlen; |
||||
#endif |
||||
#ifdef HAVE_LOCALTIME_R |
||||
struct tm tm; |
||||
#endif |
||||
|
||||
if (dir->used == 0) return -1; |
||||
|
||||
i = dir->used - 1; |
||||
|
||||
#ifdef HAVE_PATHCONF |
||||
name_max = pathconf(dir->ptr, _PC_NAME_MAX); |
||||
#elif defined __WIN32 |
||||
name_max = FILENAME_MAX; |
||||
#else |
||||
name_max = NAME_MAX; |
||||
#endif |
||||
|
||||
path = malloc(dir->used + name_max); |
||||
assert(path); |
||||
strcpy(path, dir->ptr); |
||||
path_file = path + i; |
||||
|
||||
if (NULL == (dp = opendir(path))) { |
||||
log_error_write(srv, __FILE__, __LINE__, "sbs",
|
||||
"opendir failed:", dir, strerror(errno)); |
||||
|
||||
free(path); |
||||
return -1; |
||||
} |
||||
|
||||
dirs.ent = (dirls_entry_t**) malloc(sizeof(dirls_entry_t*) * DIRLIST_BLOB_SIZE); |
||||
assert(dirs.ent); |
||||
dirs.size = DIRLIST_BLOB_SIZE; |
||||
dirs.used = 0; |
||||
files.ent = (dirls_entry_t**) malloc(sizeof(dirls_entry_t*) * DIRLIST_BLOB_SIZE); |
||||
assert(files.ent); |
||||
files.size = DIRLIST_BLOB_SIZE; |
||||
files.used = 0; |
||||
|
||||
while ((dent = readdir(dp)) != NULL) { |
||||
if (dent->d_name[0] == '.') { |
||||
if (hide_dotfiles) |
||||
continue; |
||||
if (dent->d_name[1] == '\0') |
||||
continue; |
||||
if (dent->d_name[1] == '.' && dent->d_name[2] == '\0') |
||||
continue; |
||||
} |
||||
|
||||
|
||||
i = strlen(dent->d_name); |
||||
|
||||
/* NOTE: the manual says, d_name is never more than NAME_MAX
|
||||
* so this should actually not be a buffer-overflow-risk |
||||
*/ |
||||
if (i > name_max) continue; |
||||
|
||||
memcpy(path_file, dent->d_name, i + 1); |
||||
if (stat(path, &st) != 0) |
||||
continue; |
||||
|
||||
list = &files; |
||||
if (S_ISDIR(st.st_mode)) |
||||
list = &dirs; |
||||
|
||||
if (list->used == list->size) { |
||||