/* ====================================================================
* The Apache Software License, Version 1.1
*
- * Copyright (c) 2000 The Apache Software Foundation. All rights
+ * Copyright (c) 2000-2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* incorporated into the Apache module framework by rst.
*
*/
-/*
- * sub key may be anything a Perl*Handler can be:
- * subroutine name, package name (defaults to package::handler),
- * Class->method call or anoymous sub {}
- *
- * Child <!--#perl sub="sub {print $$}" --> accessed
- * <!--#perl sub="sub {print ++$Access::Cnt }" --> times. <br>
- *
- * <!--#perl arg="one" sub="mymod::includer" -->
- *
- * -Doug MacEachern
- */
+
+#include "apr.h"
+#include "apr_strings.h"
+#include "apr_thread_proc.h"
+#include "apr_hash.h"
+#include "apr_user.h"
+#include "apr_lib.h"
+#include "apr_optional.h"
+
+#define APR_WANT_STRFUNC
+#include "apr_want.h"
#define CORE_PRIVATE
-#ifdef USE_PERL_SSI
-#include "config.h"
-#undef VOIDUSED
-#ifdef USE_SFIO
-#undef USE_SFIO
-#define USE_STDIO
-#endif
-#include "modules/perl/mod_perl.h"
-#else
#include "ap_config.h"
+#include "util_filter.h"
#include "httpd.h"
#include "http_config.h"
+#include "http_core.h"
#include "http_request.h"
#include "http_core.h"
#include "http_protocol.h"
#include "http_main.h"
#include "util_script.h"
#include "http_core.h"
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-#ifdef HAVE_PWD_H
-#include <pwd.h>
-#endif
-#endif
+#include "mod_include.h"
#include "util_ebcdic.h"
-#define STARTING_SEQUENCE "<!--#"
-#define ENDING_SEQUENCE "-->"
-#define DEFAULT_ERROR_MSG "[an error occurred while processing this directive]"
-#define DEFAULT_TIME_FORMAT "%A, %d-%b-%Y %H:%M:%S %Z"
-#define SIZEFMT_BYTES 0
-#define SIZEFMT_KMG 1
-#ifdef CHARSET_EBCDIC
-#define RAW_ASCII_CHAR(ch) ap_xlate_conv_byte(ap_hdrs_from_ascii, (unsigned char)ch)
-#else /*CHARSET_EBCDIC*/
-#define RAW_ASCII_CHAR(ch) (ch)
-#endif /*CHARSET_EBCDIC*/
-
-module MODULE_VAR_EXPORT includes_module;
+module AP_MODULE_DECLARE_DATA include_module;
+static apr_hash_t *include_hash;
+static APR_OPTIONAL_FN_TYPE(ap_register_include_handler) *ssi_pfn_register;
-/* just need some arbitrary non-NULL pointer which can't also be a request_rec */
-#define NESTED_INCLUDE_MAGIC (&includes_module)
-
-/* TODO: changing directory should be handled by CreateProcess */
-#define ap_chdir_file(x) do {} while(0)
+#define BYTE_COUNT_THRESHOLD AP_MIN_BYTES_TO_WRITE
/* ------------------------ Environment function -------------------------- */
/* XXX: could use ap_table_overlap here */
static void add_include_vars(request_rec *r, char *timefmt)
{
-#ifndef WIN32
- struct passwd *pw;
-#endif /* ndef WIN32 */
- ap_table_t *e = r->subprocess_env;
+ char *pwname;
+ apr_table_t *e = r->subprocess_env;
char *t;
- ap_time_t date = r->request_time;
+ apr_time_t date = r->request_time;
- ap_table_setn(e, "DATE_LOCAL", ap_ht_time(r->pool, date, timefmt, 0));
- ap_table_setn(e, "DATE_GMT", ap_ht_time(r->pool, date, timefmt, 1));
- ap_table_setn(e, "LAST_MODIFIED",
+ apr_table_setn(e, "DATE_LOCAL", ap_ht_time(r->pool, date, timefmt, 0));
+ apr_table_setn(e, "DATE_GMT", ap_ht_time(r->pool, date, timefmt, 1));
+ apr_table_setn(e, "LAST_MODIFIED",
ap_ht_time(r->pool, r->finfo.mtime, timefmt, 0));
- ap_table_setn(e, "DOCUMENT_URI", r->uri);
- ap_table_setn(e, "DOCUMENT_PATH_INFO", r->path_info);
-#ifndef WIN32
- pw = getpwuid(r->finfo.user);
- if (pw) {
- ap_table_setn(e, "USER_NAME", ap_pstrdup(r->pool, pw->pw_name));
+ apr_table_setn(e, "DOCUMENT_URI", r->uri);
+ apr_table_setn(e, "DOCUMENT_PATH_INFO", r->path_info);
+ if (apr_get_username(&pwname, r->finfo.user, r->pool) == APR_SUCCESS) {
+ apr_table_setn(e, "USER_NAME", pwname);
}
else {
- ap_table_setn(e, "USER_NAME", ap_psprintf(r->pool, "user#%lu",
- (unsigned long) r->finfo.user));
+ apr_table_setn(e, "USER_NAME", "<unknown>");
}
-#endif /* ndef WIN32 */
-
if ((t = strrchr(r->filename, '/'))) {
- ap_table_setn(e, "DOCUMENT_NAME", ++t);
+ apr_table_setn(e, "DOCUMENT_NAME", ++t);
}
else {
- ap_table_setn(e, "DOCUMENT_NAME", r->uri);
+ apr_table_setn(e, "DOCUMENT_NAME", r->uri);
}
if (r->args) {
- char *arg_copy = ap_pstrdup(r->pool, r->args);
+ char *arg_copy = apr_pstrdup(r->pool, r->args);
ap_unescape_url(arg_copy);
- ap_table_setn(e, "QUERY_STRING_UNESCAPED",
+ apr_table_setn(e, "QUERY_STRING_UNESCAPED",
ap_escape_shell_cmd(r->pool, arg_copy));
}
}
/* --------------------------- Parser functions --------------------------- */
-#define OUTBUFSIZE 4096
-/* PUT_CHAR and FLUSH_BUF currently only work within the scope of
- * find_string(); they are hacks to avoid calling rputc for each and
- * every character output. A common set of buffering calls for this
- * type of output SHOULD be implemented.
+/* This function returns either a pointer to the split bucket containing the
+ * first byte of the BEGINNING_SEQUENCE (after finding a complete match) or it
+ * returns NULL if no match found.
*/
-#define PUT_CHAR(c,r) \
- { \
- outbuf[outind++] = c; \
- if (outind == OUTBUFSIZE) { \
- FLUSH_BUF(r) \
- }; \
- }
-
-/* there SHOULD be some error checking on the return value of
- * rwrite, however it is unclear what the API for rwrite returning
- * errors is and little can really be done to help the error in
- * any case.
- */
-#define FLUSH_BUF(r) \
- { \
- ap_rwrite(outbuf, outind, r); \
- outind = 0; \
- }
-
-/*
- * f: file handle being read from
- * c: character to read into
- * ret: return value to use if input fails
- * r: current request_rec
- *
- * This macro is redefined after find_string() for historical reasons
- * to avoid too many code changes. This is one of the many things
- * that should be fixed.
- */
-#define GET_CHAR(f,c,ret,r) \
- { \
- ap_status_t status = ap_getc(&c, f); \
- if (status != APR_SUCCESS) { /* either EOF or error -- needs error handling if latter */ \
- if (status != APR_EOF) { \
- ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL, \
- "encountered error in GET_CHAR macro, " \
- "mod_include."); \
- } \
- FLUSH_BUF(r); \
- ap_close(f); \
- return ret; \
- } \
- }
-
-static int find_string(ap_file_t *in, const char *str, request_rec *r, int printing)
+static apr_bucket *find_start_sequence(apr_bucket *dptr, include_ctx_t *ctx,
+ apr_bucket_brigade *bb, int *do_cleanup)
{
- int x, l = strlen(str), p;
- char outbuf[OUTBUFSIZE];
- int outind = 0;
- char c;
+ apr_size_t len;
+ const char *c;
+ const char *buf;
+ const char *str = STARTING_SEQUENCE;
+ apr_bucket *tmp_bkt;
+ apr_size_t start_index;
- p = 0;
- while (1) {
- GET_CHAR(in, c, 1, r);
- if (c == str[p]) {
- if ((++p) == l) {
- FLUSH_BUF(r);
- return 0;
+ *do_cleanup = 0;
+
+ do {
+ if (APR_BUCKET_IS_EOS(dptr)) {
+ break;
+ }
+ apr_bucket_read(dptr, &buf, &len, APR_BLOCK_READ);
+ /* XXX handle retcodes */
+ if (len == 0) { /* end of pipe? */
+ break;
+ }
+ c = buf;
+ while (c < buf + len) {
+ if (ctx->bytes_parsed >= BYTE_COUNT_THRESHOLD) {
+ apr_bucket *start_bucket;
+
+ if (ctx->head_start_index > 0) {
+ start_index = ctx->head_start_index;
+ start_bucket = ctx->head_start_bucket;
+ }
+ else {
+ start_index = (c - buf);
+ start_bucket = dptr;
+ }
+ apr_bucket_split(start_bucket, start_index);
+ tmp_bkt = APR_BUCKET_NEXT(start_bucket);
+ if (ctx->head_start_index > 0) {
+ ctx->head_start_index = 0;
+ ctx->head_start_bucket = tmp_bkt;
+ ctx->parse_pos = 0;
+ ctx->state = PRE_HEAD;
+ }
+
+ return tmp_bkt;
+ }
+
+ if (*c == str[ctx->parse_pos]) {
+ if (ctx->state == PRE_HEAD) {
+ ctx->state = PARSE_HEAD;
+ ctx->head_start_bucket = dptr;
+ ctx->head_start_index = c - buf;
+ }
+ ctx->parse_pos++;
+ }
+ else {
+ if (str[ctx->parse_pos] == '\0') {
+ /* We want to split the bucket at the '<'. */
+ ctx->bytes_parsed++;
+ ctx->state = PARSE_DIRECTIVE;
+ ctx->tag_length = 0;
+ ctx->parse_pos = 0;
+ ctx->tag_start_bucket = dptr;
+ ctx->tag_start_index = c - buf;
+ if (ctx->head_start_index > 0) {
+ start_index = (c - buf) - ctx->head_start_index;
+ apr_bucket_split(ctx->head_start_bucket, ctx->head_start_index);
+ tmp_bkt = APR_BUCKET_NEXT(ctx->head_start_bucket);
+ if (dptr == ctx->head_start_bucket) {
+ ctx->tag_start_bucket = tmp_bkt;
+ ctx->tag_start_index = start_index;
+ }
+ ctx->head_start_bucket = tmp_bkt;
+ ctx->head_start_index = 0;
+ }
+ return ctx->head_start_bucket;
+ }
+ else if (ctx->parse_pos != 0) {
+ /* The reason for this, is that we need to make sure
+ * that we catch cases like <<!--#. This makes the
+ * second check after the original check fails.
+ * If parse_pos was already 0 then we already checked this.
+ */
+ *do_cleanup = 1;
+ if (*c == str[0]) {
+ ctx->parse_pos = 1;
+ ctx->state = PARSE_HEAD;
+ ctx->head_start_bucket = dptr;
+ ctx->head_start_index = c - buf;
+ }
+ else {
+ ctx->parse_pos = 0;
+ ctx->state = PRE_HEAD;
+ ctx->head_start_bucket = NULL;
+ ctx->head_start_index = 0;
+ }
+ }
}
+ c++;
+ ctx->bytes_parsed++;
+ }
+ dptr = APR_BUCKET_NEXT(dptr);
+ } while (dptr != APR_BRIGADE_SENTINEL(bb));
+ return NULL;
+}
+
+static apr_bucket *find_end_sequence(apr_bucket *dptr, include_ctx_t *ctx, apr_bucket_brigade *bb)
+{
+ apr_size_t len;
+ const char *c;
+ const char *buf;
+ const char *str = ENDING_SEQUENCE;
+
+ do {
+ if (APR_BUCKET_IS_EOS(dptr)) {
+ break;
+ }
+ apr_bucket_read(dptr, &buf, &len, APR_BLOCK_READ);
+ /* XXX handle retcodes */
+ if (len == 0) { /* end of pipe? */
+ break;
+ }
+ if (dptr == ctx->tag_start_bucket) {
+ c = buf + ctx->tag_start_index;
}
else {
- if (printing) {
- for (x = 0; x < p; x++) {
- PUT_CHAR(str[x], r);
+ c = buf;
+ }
+ while (c < buf + len) {
+ if (ctx->bytes_parsed >= BYTE_COUNT_THRESHOLD) {
+ if (ctx->state == PARSE_DIRECTIVE) {
+ /* gonna start over parsing the directive next time through */
+ ctx->directive_length = 0;
+ ctx->tag_length = 0;
+ }
+ return dptr;
+ }
+
+ if (*c == str[ctx->parse_pos]) {
+ if (ctx->state != PARSE_TAIL) {
+ ctx->state = PARSE_TAIL;
+ ctx->tail_start_bucket = dptr;
+ ctx->tail_start_index = c - buf;
+ }
+ ctx->parse_pos++;
+ }
+ else {
+ if (ctx->state == PARSE_DIRECTIVE) {
+ if (ctx->tag_length == 0) {
+ if (!apr_isspace(*c)) {
+ ctx->tag_start_bucket = dptr;
+ ctx->tag_start_index = c - buf;
+ ctx->tag_length = 1;
+ ctx->directive_length = 1;
+ }
+ }
+ else {
+ if (!apr_isspace(*c)) {
+ ctx->directive_length++;
+ }
+ else {
+ ctx->state = PARSE_TAG;
+ }
+ ctx->tag_length++;
+ }
+ }
+ else if (ctx->state == PARSE_TAG) {
+ ctx->tag_length++;
+ }
+ else {
+ if (str[ctx->parse_pos] == '\0') {
+ apr_bucket *tmp_buck = dptr;
+
+ /* We want to split the bucket at the '>'. The
+ * end of the END_SEQUENCE is in the current bucket.
+ * The beginning might be in a previous bucket.
+ */
+ ctx->bytes_parsed++;
+ ctx->state = PARSED;
+ if ((c - buf) > 0) {
+ apr_bucket_split(dptr, c - buf);
+ tmp_buck = APR_BUCKET_NEXT(dptr);
+ }
+ return (tmp_buck);
+ }
+ else if (ctx->parse_pos != 0) {
+ /* The reason for this, is that we need to make sure
+ * that we catch cases like --->. This makes the
+ * second check after the original check fails.
+ * If parse_pos was already 0 then we already checked this.
+ */
+ ctx->tag_length += ctx->parse_pos;
+
+ if (*c == str[0]) {
+ ctx->state = PARSE_TAIL;
+ ctx->tail_start_bucket = dptr;
+ ctx->tail_start_index = c - buf;
+ ctx->tag_length += ctx->parse_pos;
+ ctx->parse_pos = 1;
+ }
+ else {
+ if (ctx->tag_length > ctx->directive_length) {
+ ctx->state = PARSE_TAG;
+ }
+ else {
+ ctx->state = PARSE_DIRECTIVE;
+ ctx->directive_length += ctx->parse_pos;
+ }
+ ctx->tail_start_bucket = NULL;
+ ctx->tail_start_index = 0;
+ ctx->tag_length += ctx->parse_pos;
+ ctx->parse_pos = 0;
+ }
+ }
}
- PUT_CHAR(c, r);
}
- p = 0;
+ c++;
+ ctx->bytes_parsed++;
}
- }
+ dptr = APR_BUCKET_NEXT(dptr);
+ } while (dptr != APR_BRIGADE_SENTINEL(bb));
+ return NULL;
}
-#undef FLUSH_BUF
-#undef PUT_CHAR
-#undef GET_CHAR
-#define GET_CHAR(f,c,r,p) \
- { \
- ap_status_t status = ap_getc(&c, f); \
- if (status != APR_SUCCESS) { /* either EOF or error -- needs error handling if latter */ \
- if (status != APR_EOF) { \
- ap_log_error(APLOG_MARK, APLOG_STARTUP | APLOG_NOERRNO, 0, NULL, \
- "encountered error in GET_CHAR macro, " \
- "mod_include."); \
- } \
- ap_close(f); \
- return r; \
- } \
- }
+/* This function culls through the buckets that have been set aside in the
+ * ssi_tag_brigade and copies just the directive part of the SSI tag (none
+ * of the start and end delimiter bytes are copied).
+ */
+static apr_status_t get_combined_directive (include_ctx_t *ctx,
+ request_rec *r,
+ apr_bucket_brigade *bb,
+ char *tmp_buf,
+ apr_size_t tmp_buf_size)
+{
+ int done = 0;
+ apr_bucket *dptr;
+ const char *tmp_from;
+ apr_size_t tmp_from_len;
+
+ /* If the tag length is longer than the tmp buffer, allocate space. */
+ if (ctx->tag_length > tmp_buf_size-1) {
+ if ((ctx->combined_tag = apr_pcalloc(r->pool, ctx->tag_length + 1)) == NULL) {
+ return (APR_ENOMEM);
+ }
+ } /* Else, just use the temp buffer. */
+ else {
+ ctx->combined_tag = tmp_buf;
+ }
+
+ /* Prime the pump. Start at the beginning of the tag... */
+ dptr = ctx->tag_start_bucket;
+ apr_bucket_read (dptr, &tmp_from, &tmp_from_len, 0); /* Read the bucket... */
+
+ /* Adjust the pointer to start at the tag within the bucket... */
+ if (dptr == ctx->tail_start_bucket) {
+ tmp_from_len -= (tmp_from_len - ctx->tail_start_index);
+ }
+ tmp_from = &tmp_from[ctx->tag_start_index];
+ tmp_from_len -= ctx->tag_start_index;
+ ctx->curr_tag_pos = ctx->combined_tag;
+
+ /* Loop through the buckets from the tag_start_bucket until before
+ * the tail_start_bucket copying the contents into the buffer.
+ */
+ do {
+ memcpy (ctx->curr_tag_pos, tmp_from, tmp_from_len);
+ ctx->curr_tag_pos += tmp_from_len;
+
+ if (dptr == ctx->tail_start_bucket) {
+ done = 1;
+ }
+ else {
+ dptr = APR_BUCKET_NEXT (dptr);
+ apr_bucket_read (dptr, &tmp_from, &tmp_from_len, 0);
+ /* Adjust the count to stop at the beginning of the tail. */
+ if (dptr == ctx->tail_start_bucket) {
+ tmp_from_len -= (tmp_from_len - ctx->tail_start_index);
+ }
+ }
+ } while ((!done) &&
+ (ctx->curr_tag_pos < ctx->combined_tag + ctx->tag_length));
+
+ ctx->combined_tag[ctx->tag_length] = '\0';
+ ctx->curr_tag_pos = ctx->combined_tag;
+
+ return (APR_SUCCESS);
+}
/*
* decodes a string containing html entities or numeric character references.
/* is it numeric ? */
if (s[1] == '#') {
- for (j = 2, val = 0; j < i && ap_isdigit(s[j]); j++) {
+ for (j = 2, val = 0; j < i && apr_isdigit(s[j]); j++) {
val = val * 10 + s[j] - '0';
}
s += i;
}
/*
- * extract the next tag name and value.
- * if there are no more tags, set the tag name to 'done'
- * the tag value is html decoded if dodecode is non-zero
+ * Extract the next tag name and value.
+ * If there are no more tags, set the tag name to NULL.
+ * The tag value is html decoded if dodecode is non-zero.
+ * The tag value may be NULL if there is no tag value..
+ * format:
+ * [WS]<Tag>[WS]=[WS]['|"]<Value>['|"|WS]
*/
-static char *get_tag(ap_pool_t *p, ap_file_t *in, char *tag, int tagbuf_len, int dodecode)
-{
- char *t = tag, *tag_val, c, term;
+#define SKIP_TAG_WHITESPACE(ptr) while ((*ptr != '\0') && (apr_isspace (*ptr))) ptr++
- /* makes code below a little less cluttered */
- --tagbuf_len;
+static void ap_ssi_get_tag_and_value(include_ctx_t *ctx, char **tag,
+ char **tag_val, int dodecode)
+{
+ char *c = ctx->curr_tag_pos;
+ int shift_val = 0;
+ char term = '\0';
- do { /* skip whitespace */
- GET_CHAR(in, c, NULL, p);
- } while (ap_isspace(c));
+ *tag_val = NULL;
+ SKIP_TAG_WHITESPACE(c);
+ *tag = c; /* First non-whitespace character (could be NULL). */
- /* tags can't start with - */
- if (c == '-') {
- GET_CHAR(in, c, NULL, p);
- if (c == '-') {
- do {
- GET_CHAR(in, c, NULL, p);
- } while (ap_isspace(c));
- if (c == '>') {
- ap_cpystrn(tag, "done", tagbuf_len);
- return tag;
- }
- }
- return NULL; /* failed */
+ while ((*c != '\0') && (*c != '=') && (!apr_isspace(*c))) {
+ *c = apr_tolower(*c); /* find end of tag, lowercasing as we go... */
+ c++;
}
- /* find end of tag name */
- while (1) {
- if (t - tag == tagbuf_len) {
- *t = '\0';
- return NULL;
- }
- if (c == '=' || ap_isspace(c)) {
- break;
+ if ((*c == '\0') || (**tag == '=')) {
+ if ((**tag == '\0') || (**tag == '=')) {
+ *tag = NULL;
}
- *(t++) = ap_tolower(c);
- GET_CHAR(in, c, NULL, p);
- }
-
- *t++ = '\0';
- tag_val = t;
+ ctx->curr_tag_pos = c;
+ return; /* We have found the end of the buffer. */
+ } /* We might have a tag, but definitely no value. */
- while (ap_isspace(c)) {
- GET_CHAR(in, c, NULL, p); /* space before = */
+ if (*c == '=') {
+ *c++ = '\0'; /* Overwrite the '=' with a terminating byte after tag. */
}
- if (c != '=') {
- ap_ungetc(c, in);
- return NULL;
+ else { /* Try skipping WS to find the '='. */
+ *c++ = '\0'; /* Terminate the tag... */
+ SKIP_TAG_WHITESPACE(c);
+
+ if (*c != '=') { /* There needs to be an equal sign if there's a value. */
+ ctx->curr_tag_pos = c;
+ return; /* There apparently was no value. */
+ }
+ else {
+ c++; /* Skip the equals sign. */
+ }
}
- do {
- GET_CHAR(in, c, NULL, p); /* space after = */
- } while (ap_isspace(c));
-
- /* we should allow a 'name' as a value */
-
- if (c != '"' && c != '\'') {
- return NULL;
+ SKIP_TAG_WHITESPACE(c);
+ if (*c == '"' || *c == '\'') { /* Allow quoted values for space inclusion. */
+ term = *c++; /* NOTE: This does not pass the quotes on return. */
}
- term = c;
- while (1) {
- GET_CHAR(in, c, NULL, p);
- if (t - tag == tagbuf_len) {
- *t = '\0';
- return NULL;
- }
-/* Want to accept \" as a valid character within a string. */
- if (c == '\\') {
- *(t++) = c; /* Add backslash */
- GET_CHAR(in, c, NULL, p);
- if (c == term) { /* Only if */
- *(--t) = c; /* Replace backslash ONLY for terminator */
+
+ *tag_val = c;
+ while ((*c != '\0') &&
+ (((term != '\0') && (*c != term)) ||
+ ((term == '\0') && (!apr_isspace(*c))))) {
+ if (*c == '\\') { /* Accept \" and \' as valid char in string. */
+ c++;
+ if (*c == term) { /* Overwrite the "\" during the embedded */
+ shift_val++; /* escape sequence of '\"' or "\'". Shift */
+ } /* bytes from here to next delimiter. */
+ if (shift_val > 0) {
+ *(c-shift_val) = *c;
}
}
- else if (c == term) {
- break;
+
+ c++;
+ if (shift_val > 0) {
+ *(c-shift_val) = *c;
}
- *(t++) = c;
}
- *t = '\0';
+
+ *(c-shift_val) = '\0'; /* Overwrites delimiter (term or WS) with NULL. */
+ ctx->curr_tag_pos = ++c;
if (dodecode) {
- decodehtml(tag_val);
+ decodehtml(*tag_val);
}
- return ap_pstrdup(p, tag_val);
-}
-
-static int get_directive(ap_file_t *in, char *dest, size_t len, ap_pool_t *p)
-{
- char *d = dest;
- char c;
- /* make room for nul terminator */
- --len;
-
- /* skip initial whitespace */
- while (1) {
- GET_CHAR(in, c, 1, p);
- if (!ap_isspace(c)) {
- break;
- }
- }
- /* now get directive */
- while (1) {
- if (d - dest == (int)len) {
- return 1;
- }
- *d++ = ap_tolower(c);
- GET_CHAR(in, c, 1, p);
- if (ap_isspace(c)) {
- break;
- }
- }
- *d = '\0';
- return 0;
+ return;
}
+
/*
* Do variable substitution on strings
*/
-static void parse_string(request_rec *r, const char *in, char *out,
- size_t length, int leave_name)
+static void ap_ssi_parse_string(request_rec *r, const char *in, char *out,
+ size_t length, int leave_name)
{
char ch;
char *next = out;
break;
case '$':
{
- char var[MAX_STRING_LEN];
const char *start_of_var_name;
- const char *end_of_var_name; /* end of var name + 1 */
- const char *expansion;
- const char *val;
+ char *end_of_var_name; /* end of var name + 1 */
+ const char *expansion, *temp_end, *val;
+ char tmp_store;
size_t l;
/* guess that the expansion won't happen */
*next = '\0';
return;
}
- end_of_var_name = in;
+ temp_end = in;
+ end_of_var_name = (char *)temp_end;
++in;
}
else {
start_of_var_name = in;
- while (ap_isalnum(*in) || *in == '_') {
+ while (apr_isalnum(*in) || *in == '_') {
++in;
}
- end_of_var_name = in;
+ temp_end = in;
+ end_of_var_name = (char *)temp_end;
}
/* what a pain, too bad there's no table_getn where you can
* pass a non-nul terminated string */
l = end_of_var_name - start_of_var_name;
if (l != 0) {
- l = (l > sizeof(var) - 1) ? (sizeof(var) - 1) : l;
- memcpy(var, start_of_var_name, l);
- var[l] = '\0';
+ tmp_store = *end_of_var_name;
+ *end_of_var_name = '\0';
+ val = apr_table_get(r->subprocess_env, start_of_var_name);
+ *end_of_var_name = tmp_store;
- val = ap_table_get(r->subprocess_env, var);
if (val) {
expansion = val;
l = strlen(expansion);
/* --------------------------- Action handlers ---------------------------- */
-static int include_cgi(char *s, request_rec *r)
-{
- request_rec *rr = ap_sub_req_lookup_uri(s, r);
- int rr_status;
-
- if (rr->status != HTTP_OK) {
- return -1;
- }
-
- /* No hardwired path info or query allowed */
-
- if ((rr->path_info && rr->path_info[0]) || rr->args) {
- return -1;
- }
- if (rr->finfo.protection == 0) {
- return -1;
- }
-
- /* Script gets parameters of the *document*, for back compatibility */
-
- rr->path_info = r->path_info; /* hard to get right; see mod_cgi.c */
- rr->args = r->args;
-
- /* Force sub_req to be treated as a CGI request, even if ordinary
- * typing rules would have called it something else.
- */
-
- rr->content_type = CGI_MAGIC_TYPE;
-
- /* Run it. */
-
- rr_status = ap_run_sub_req(rr);
- if (ap_is_HTTP_REDIRECT(rr_status)) {
- const char *location = ap_table_get(rr->headers_out, "Location");
- location = ap_escape_html(rr->pool, location);
- ap_rvputs(r, "<A HREF=\"", location, "\">", location, "</A>", NULL);
- }
-
- ap_destroy_sub_req(rr);
- ap_chdir_file(r->filename);
-
- return 0;
-}
-
/* ensure that path is relative, and does not contain ".." elements
* ensentially ensure that it does not match the regex:
* (^/|(^|/)\.\.(/|$))
- * XXX: this needs os abstraction... consider c:..\foo in win32
+ * XXX: Needs to become apr_is_path_relative() test
*/
static int is_only_below(const char *path)
{
#ifdef HAVE_DRIVE_LETTERS
- if (path[1] == ':')
+ if (path[1] == ':')
return 0;
#endif
- if (path[0] == '/') {
+#ifdef NETWARE
+ if (strchr(path, ':')
return 0;
- }
- if (path[0] == '.' && path[1] == '.'
- && (path[2] == '\0' || path[2] == '/')) {
+#endif
+ if (path[0] == '/') {
return 0;
}
while (*path) {
- if (*path == '/' && path[1] == '.' && path[2] == '.'
- && (path[3] == '\0' || path[3] == '/')) {
- return 0;
- }
- ++path;
+ int dots = 0;
+ while (path[dots] == '.')
+ ++dots;
+#if defined(WIN32)
+ /* If the name is canonical this is redundant
+ * but in security, redundancy is worthwhile.
+ * Does OS2 belong here (accepts ... for ..)?
+ */
+ if (dots > 1 && (!path[dots] || path[dots] == '/'))
+ return 0;
+#else
+ if (dots == 2 && (!path[dots] || path[dots] == '/'))
+ return 0;
+#endif
+ path += dots;
+ while (*path && *(path++) != '/')
+ ++path;
}
return 1;
}
-static int handle_include(ap_file_t *in, request_rec *r, const char *error, int noexec)
+static int handle_include(include_ctx_t *ctx, apr_bucket_brigade **bb, request_rec *r,
+ ap_filter_t *f, apr_bucket *head_ptr, apr_bucket **inserted_head)
{
- char tag[MAX_STRING_LEN];
+ char *tag = NULL;
+ char *tag_val = NULL;
+ apr_bucket *tmp_buck;
char parsed_string[MAX_STRING_LEN];
- char *tag_val;
-
- while (1) {
- if (!(tag_val = get_tag(r->pool, in, tag, sizeof(tag), 1))) {
- return 1;
- }
- if (!strcmp(tag, "file") || !strcmp(tag, "virtual")) {
- request_rec *rr = NULL;
- char *error_fmt = NULL;
- parse_string(r, tag_val, parsed_string, sizeof(parsed_string), 0);
- if (tag[0] == 'f') {
- /* be safe; only files in this directory or below allowed */
- if (!is_only_below(parsed_string)) {
- error_fmt = "unable to include file \"%s\" "
- "in parsed file %s";
+ *inserted_head = NULL;
+ if (ctx->flags & FLAG_PRINTING) {
+ while (1) {
+ ap_ssi_get_tag_and_value(ctx, &tag, &tag_val, 1);
+ if (tag_val == NULL) {
+ if (tag == NULL) {
+ return (0);
}
else {
- rr = ap_sub_req_lookup_file(parsed_string, r);
+ return (1);
}
}
- else {
- rr = ap_sub_req_lookup_uri(parsed_string, r);
- }
-
- if (!error_fmt && rr->status != HTTP_OK) {
- error_fmt = "unable to include \"%s\" in parsed file %s";
- }
-
- if (!error_fmt && noexec && rr->content_type
- && (strncmp(rr->content_type, "text/", 5))) {
- error_fmt = "unable to include potential exec \"%s\" "
- "in parsed file %s";
- }
- if (error_fmt == NULL) {
- /* try to avoid recursive includes. We do this by walking
- * up the r->main list of subrequests, and at each level
- * walking back through any internal redirects. At each
- * step, we compare the filenames and the URIs.
- *
- * The filename comparison catches a recursive include
- * with an ever-changing URL, eg.
- * <!--#include virtual=
- * "$REQUEST_URI/$QUERY_STRING?$QUERY_STRING/x"-->
- * which, although they would eventually be caught because
- * we have a limit on the length of files, etc., can
- * recurse for a while.
- *
- * The URI comparison catches the case where the filename
- * is changed while processing the request, so the
- * current name is never the same as any previous one.
- * This can happen with "DocumentRoot /foo" when you
- * request "/" on the server and it includes "/".
- * This only applies to modules such as mod_dir that
- * (somewhat improperly) mess with r->filename outside
- * of a filename translation phase.
- */
- int founddupe = 0;
- request_rec *p;
- for (p = r; p != NULL && !founddupe; p = p->main) {
- request_rec *q;
- for (q = p; q != NULL; q = q->prev) {
- if ( (strcmp(q->filename, rr->filename) == 0) ||
- (strcmp(q->uri, rr->uri) == 0) ){
- founddupe = 1;
- break;
- }
- }
- }
+ if (!strcmp(tag, "file") || !strcmp(tag, "virtual")) {
+ request_rec *rr = NULL;
+ char *error_fmt = NULL;
+
+ ap_ssi_parse_string(r, tag_val, parsed_string, sizeof(parsed_string), 0);
+ if (tag[0] == 'f') {
+ /* be safe; only files in this directory or below allowed */
+ if (!is_only_below(parsed_string)) {
+ error_fmt = "unable to include file \"%s\" "
+ "in parsed file %s";
+ }
+ else {
+ rr = ap_sub_req_lookup_file(parsed_string, r, f->next);
+ }
+ }
+ else {
+ rr = ap_sub_req_lookup_uri(parsed_string, r, f->next);
+ }
+
+ if (!error_fmt && rr->status != HTTP_OK) {
+ error_fmt = "unable to include \"%s\" in parsed file %s";
+ }
- if (p != NULL) {
- error_fmt = "Recursive include of \"%s\" "
+ if (!error_fmt && (ctx->flags & FLAG_NO_EXEC) && rr->content_type
+ && (strncmp(rr->content_type, "text/", 5))) {
+ error_fmt = "unable to include potential exec \"%s\" "
"in parsed file %s";
}
- }
+ if (error_fmt == NULL) {
+ /* try to avoid recursive includes. We do this by walking
+ * up the r->main list of subrequests, and at each level
+ * walking back through any internal redirects. At each
+ * step, we compare the filenames and the URIs.
+ *
+ * The filename comparison catches a recursive include
+ * with an ever-changing URL, eg.
+ * <!--#include virtual=
+ * "$REQUEST_URI/$QUERY_STRING?$QUERY_STRING/x"-->
+ * which, although they would eventually be caught because
+ * we have a limit on the length of files, etc., can
+ * recurse for a while.
+ *
+ * The URI comparison catches the case where the filename
+ * is changed while processing the request, so the
+ * current name is never the same as any previous one.
+ * This can happen with "DocumentRoot /foo" when you
+ * request "/" on the server and it includes "/".
+ * This only applies to modules such as mod_dir that
+ * (somewhat improperly) mess with r->filename outside
+ * of a filename translation phase.
+ */
+ int founddupe = 0;
+ request_rec *p;
+ for (p = r; p != NULL && !founddupe; p = p->main) {
+ request_rec *q;
+ for (q = p; q != NULL; q = q->prev) {
+ if ((q->filename && rr->filename && (strcmp(q->filename, rr->filename) == 0)) ||
+ (strcmp(q->uri, rr->uri) == 0)) {
+ founddupe = 1;
+ break;
+ }
+ }
+ }
+
+ if (p != NULL) {
+ error_fmt = "Recursive include of \"%s\" "
+ "in parsed file %s";
+ }
+ }
- /* see the Kludge in send_parsed_file for why */
- if (rr)
- ap_set_module_config(rr->request_config, &includes_module, r);
+ /* See the Kludge in send_parsed_file for why */
+ /* Basically, it puts a bread crumb in here, then looks */
+ /* for the crumb later to see if its been here. */
+ if (rr)
+ ap_set_module_config(rr->request_config, &include_module, r);
+
+ if (!error_fmt) {
+ SPLIT_AND_PASS_PRETAG_BUCKETS(*bb, ctx, f->next);
+
+ if (ap_run_sub_req(rr)) {
+ error_fmt = "unable to include \"%s\" in parsed file %s";
+ }
+ }
+ if (error_fmt) {
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR,
+ 0, r, error_fmt, tag_val, r->filename);
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
+ }
- if (!error_fmt && ap_run_sub_req(rr)) {
- error_fmt = "unable to include \"%s\" in parsed file %s";
- }
- ap_chdir_file(r->filename);
- if (error_fmt) {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR,
- 0, r, error_fmt, tag_val, r->filename);
- ap_rputs(error, r);
+ /* destroy the sub request if it's not a nested include (crumb) */
+ if (rr != NULL
+ && ap_get_module_config(rr->request_config, &include_module)
+ != NESTED_INCLUDE_MAGIC) {
+ ap_destroy_sub_req(rr);
+ }
}
-
- /* destroy the sub request if it's not a nested include */
- if (rr != NULL
- && ap_get_module_config(rr->request_config, &includes_module)
- != NESTED_INCLUDE_MAGIC) {
- ap_destroy_sub_req(rr);
+ else {
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
+ "unknown parameter \"%s\" to tag include in %s",
+ tag, r->filename);
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
}
}
- else if (!strcmp(tag, "done")) {
- return 0;
- }
- else {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "unknown parameter \"%s\" to tag include in %s",
- tag, r->filename);
- ap_rputs(error, r);
- }
}
+ return 0;
}
-typedef struct {
-#ifdef TPF
- TPF_FORK_CHILD t;
-#endif
- request_rec *r;
- char *s;
-} include_cmd_arg;
+static int handle_echo(include_ctx_t *ctx, apr_bucket_brigade **bb, request_rec *r,
+ ap_filter_t *f, apr_bucket *head_ptr, apr_bucket **inserted_head)
+{
+ char *tag = NULL;
+ char *tag_val = NULL;
+ const char *echo_text = NULL;
+ apr_bucket *tmp_buck;
+ apr_size_t e_len, e_wrt;
+ enum {E_NONE, E_URL, E_ENTITY} encode;
+ encode = E_ENTITY;
-static ap_status_t build_argv_list(char ***argv, request_rec *r, ap_pool_t *p)
-{
- int numwords, x, idx;
- char *w;
- const char *args = r->args;
+ *inserted_head = NULL;
+ if (ctx->flags & FLAG_PRINTING) {
+ while (1) {
+ ap_ssi_get_tag_and_value(ctx, &tag, &tag_val, 1);
+ if (tag_val == NULL) {
+ if (tag != NULL) {
+ return 1;
+ }
+ else {
+ return 0;
+ }
+ }
+ if (!strcmp(tag, "var")) {
+ const char *val = apr_table_get(r->subprocess_env, tag_val);
- if (!args || !args[0] || ap_strchr_c(args, '=')) {
- numwords = 1;
- }
- else {
- /* count the number of keywords */
- for (x = 0, numwords = 1; args[x]; x++) {
- if (args[x] == '+') {
- ++numwords;
+ if (val) {
+ switch(encode) {
+ case E_NONE: echo_text = val; break;
+ case E_URL: echo_text = ap_escape_uri(r->pool, val); break;
+ case E_ENTITY: echo_text = ap_escape_html(r->pool, val); break;
+ }
+
+ e_len = strlen(echo_text);
+ tmp_buck = apr_bucket_heap_create(echo_text, e_len, 1, &e_wrt);
+ }
+ else {
+ tmp_buck = apr_bucket_immortal_create("(none)", sizeof("(none)")-1);
+ }
+ APR_BUCKET_INSERT_BEFORE(head_ptr, tmp_buck);
+ if (*inserted_head == NULL) {
+ *inserted_head = tmp_buck;
+ }
+ }
+ else if (!strcmp(tag, "encoding")) {
+ if (!strcasecmp(tag_val, "none")) encode = E_NONE;
+ else if (!strcasecmp(tag_val, "url")) encode = E_URL;
+ else if (!strcasecmp(tag_val, "entity")) encode = E_ENTITY;
+ else {
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
+ "unknown value \"%s\" to parameter \"encoding\" of "
+ "tag echo in %s", tag_val, r->filename);
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
+ }
+ }
+ else {
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
+ "unknown parameter \"%s\" in tag echo of %s",
+ tag, r->filename);
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
}
+
}
}
- /* Everything is - 1 to account for the first parameter which is the
- * program name. We didn't used to have to do this, but APR wants it.
- */
- if (numwords > APACHE_ARG_MAX - 1) {
- numwords = APACHE_ARG_MAX - 1; /* Truncate args to prevent overrun */
- }
- *argv = (char **) ap_palloc(p, (numwords + 2) * sizeof(char *));
-
- for (x = 1, idx = 1; x < numwords; x++) {
- w = ap_getword_nulls(p, &args, '+');
- ap_unescape_url(w);
- (*argv)[idx++] = ap_escape_shell_cmd(p, w);
- }
- (*argv)[idx] = NULL;
-
- return APR_SUCCESS;
+ return 0;
}
-
-
-static int include_cmd(char *s, request_rec *r)
+/* error and tf must point to a string with room for at
+ * least MAX_STRING_LEN characters
+ */
+static int handle_config(include_ctx_t *ctx, apr_bucket_brigade **bb, request_rec *r,
+ ap_filter_t *f, apr_bucket *head_ptr, apr_bucket **inserted_head)
{
- include_cmd_arg arg;
- BUFF *script_in;
- ap_procattr_t *procattr;
- ap_proc_t procnew;
- ap_status_t rc;
- ap_table_t *env = r->subprocess_env;
- char **argv;
- ap_file_t *file = NULL;
- ap_iol *iol;
-#if defined(RLIMIT_CPU) || defined(RLIMIT_NPROC) || \
- defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined (RLIMIT_AS)
- core_dir_config *conf;
- conf = (core_dir_config *) ap_get_module_config(r->per_dir_config,
- &core_module);
-#endif
-
- arg.r = r;
- arg.s = s;
-#ifdef TPF
- arg.t.filename = r->filename;
- arg.t.subprocess_env = r->subprocess_env;
- arg.t.prog_type = FORK_FILE;
-#endif
-
- if (r->path_info && r->path_info[0] != '\0') {
- request_rec *pa_req;
+ char *tag = NULL;
+ char *tag_val = NULL;
+ char parsed_string[MAX_STRING_LEN];
+ apr_table_t *env = r->subprocess_env;
+
+ *inserted_head = NULL;
+ if (ctx->flags & FLAG_PRINTING) {
+ while (1) {
+ ap_ssi_get_tag_and_value(ctx, &tag, &tag_val, 0);
+ if (tag_val == NULL) {
+ if (tag == NULL) {
+ return 0; /* Reached the end of the string. */
+ }
+ else {
+ return 1; /* tags must have values. */
+ }
+ }
+ if (!strcmp(tag, "errmsg")) {
+ ap_ssi_parse_string(r, tag_val, ctx->error_str, MAX_STRING_LEN, 0);
+ ctx->error_length = strlen(ctx->error_str);
+ }
+ else if (!strcmp(tag, "timefmt")) {
+ apr_time_t date = r->request_time;
- ap_table_setn(env, "PATH_INFO", ap_escape_shell_cmd(r->pool, r->path_info));
+ ap_ssi_parse_string(r, tag_val, ctx->time_str, MAX_STRING_LEN, 0);
+ apr_table_setn(env, "DATE_LOCAL", ap_ht_time(r->pool, date, ctx->time_str, 0));
+ apr_table_setn(env, "DATE_GMT", ap_ht_time(r->pool, date, ctx->time_str, 1));
+ apr_table_setn(env, "LAST_MODIFIED",
+ ap_ht_time(r->pool, r->finfo.mtime, ctx->time_str, 0));
+ }
+ else if (!strcmp(tag, "sizefmt")) {
+ ap_ssi_parse_string(r, tag_val, parsed_string, sizeof(parsed_string), 0);
+ decodehtml(parsed_string);
+ if (!strcmp(parsed_string, "bytes")) {
+ ctx->flags |= FLAG_SIZE_IN_BYTES;
+ }
+ else if (!strcmp(parsed_string, "abbrev")) {
+ ctx->flags &= FLAG_SIZE_ABBREV;
+ }
+ }
+ else {
+ apr_bucket *tmp_buck;
- pa_req = ap_sub_req_lookup_uri(ap_escape_uri(r->pool, r->path_info), r);
- if (pa_req->filename) {
- ap_table_setn(env, "PATH_TRANSLATED",
- ap_pstrcat(r->pool, pa_req->filename, pa_req->path_info,
- NULL));
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
+ "unknown parameter \"%s\" to tag config in %s",
+ tag, r->filename);
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
+ }
}
}
-
- if (r->args) {
- char *arg_copy = ap_pstrdup(r->pool, r->args);
-
- ap_table_setn(env, "QUERY_STRING", r->args);
- ap_unescape_url(arg_copy);
- ap_table_setn(env, "QUERY_STRING_UNESCAPED",
- ap_escape_shell_cmd(r->pool, arg_copy));
- }
-
- if ((ap_createprocattr_init(&procattr, r->pool) != APR_SUCCESS) ||
- (ap_setprocattr_io(procattr, APR_NO_PIPE,
- APR_FULL_BLOCK, APR_NO_PIPE) != APR_SUCCESS) ||
- (ap_setprocattr_dir(procattr, ap_make_dirstr_parent(r->pool, r->filename)) != APR_SUCCESS) ||
-#ifdef RLIMIT_CPU
- ((rc = ap_setprocattr_limit(procattr, APR_LIMIT_CPU, conf->limit_cpu)) != APR_SUCCESS) ||
-#endif
-#if defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)
- ((rc = ap_setprocattr_limit(procattr, APR_LIMIT_MEM, conf->limit_mem)) != APR_SUCCESS) ||
-#endif
-#ifdef RLIMIT_NPROC
- ((rc = ap_setprocattr_limit(procattr, APR_LIMIT_NPROC, conf->limit_nproc)) != APR_SUCCESS) ||
-#endif
- (ap_setprocattr_cmdtype(procattr, APR_SHELLCMD) != APR_SUCCESS)) {
- /* Something bad happened, tell the world. */
- ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,
- "couldn't initialize proc attributes: %s %s", r->filename, s);
- rc = !APR_SUCCESS;
- }
- else {
- build_argv_list(&argv, r, r->pool);
- argv[0] = ap_pstrdup(r->pool, s);
- rc = ap_create_process(&procnew, s, argv, ap_create_environment(r->pool, env), procattr, r->pool);
-
- if (rc != APR_SUCCESS) {
- /* Bad things happened. Everyone should have cleaned up. */
- ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,
- "couldn't create child process: %d: %s", rc, s);
- }
- else {
- ap_note_subprocess(r->pool, &procnew, kill_after_timeout);
- /* Fill in BUFF structure for parents pipe to child's stdout */
- file = procnew.out;
- iol = ap_create_file_iol(file);
- if (!iol)
- return APR_EBADF;
- script_in = ap_bcreate(r->pool, B_RD);
- ap_bpush_iol(script_in, iol);
- ap_send_fb(script_in, r);
- ap_bclose(script_in);
- }
- }
-
- return 0;
-}
-
-static int handle_exec(ap_file_t *in, request_rec *r, const char *error)
-{
- char tag[MAX_STRING_LEN];
- char *tag_val;
- char *file = r->filename;
- char parsed_string[MAX_STRING_LEN];
-
- while (1) {
- if (!(tag_val = get_tag(r->pool, in, tag, sizeof(tag), 1))) {
- return 1;
- }
- if (!strcmp(tag, "cmd")) {
- parse_string(r, tag_val, parsed_string, sizeof(parsed_string), 1);
- if (include_cmd(parsed_string, r) == -1) {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "execution failure for parameter \"%s\" "
- "to tag exec in file %s",
- tag, r->filename);
- ap_rputs(error, r);
- }
- /* just in case some stooge changed directories */
- ap_chdir_file(r->filename);
- }
- else if (!strcmp(tag, "cgi")) {
- parse_string(r, tag_val, parsed_string, sizeof(parsed_string), 0);
- if (include_cgi(parsed_string, r) == -1) {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "invalid CGI ref \"%s\" in %s", tag_val, file);
- ap_rputs(error, r);
- }
- ap_chdir_file(r->filename);
- }
- else if (!strcmp(tag, "done")) {
- return 0;
- }
- else {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "unknown parameter \"%s\" to tag exec in %s",
- tag, file);
- ap_rputs(error, r);
- }
- }
-
-}
-
-static int handle_echo(ap_file_t *in, request_rec *r, const char *error)
-{
- char tag[MAX_STRING_LEN];
- char *tag_val;
- enum {E_NONE, E_URL, E_ENTITY} encode;
-
- encode = E_ENTITY;
-
- while (1) {
- if (!(tag_val = get_tag(r->pool, in, tag, sizeof(tag), 1))) {
- return 1;
- }
- if (!strcmp(tag, "var")) {
- const char *val = ap_table_get(r->subprocess_env, tag_val);
-
- if (val) {
- if (encode == E_NONE) {
- ap_rputs(val, r);
- }
- else if (encode == E_URL) {
- ap_rputs(ap_escape_uri(r->pool, val), r);
- }
- else if (encode == E_ENTITY) {
- ap_rputs(ap_escape_html(r->pool, val), r);
- }
- }
- else {
- ap_rputs("(none)", r);
- }
- }
- else if (!strcmp(tag, "done")) {
- return 0;
- }
- else if (!strcmp(tag, "encoding")) {
- if (!strcasecmp(tag_val, "none")) encode = E_NONE;
- else if (!strcasecmp(tag_val, "url")) encode = E_URL;
- else if (!strcasecmp(tag_val, "entity")) encode = E_ENTITY;
- else {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "unknown value \"%s\" to parameter \"encoding\" of "
- "tag echo in %s",
- tag_val, r->filename);
- ap_rputs(error, r);
- }
- }
-
- else {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "unknown parameter \"%s\" to tag echo in %s",
- tag, r->filename);
- ap_rputs(error, r);
- }
- }
-}
-
-#ifdef USE_PERL_SSI
-static int handle_perl(ap_file_t *in, request_rec *r, const char *error)
-{
- char tag[MAX_STRING_LEN];
- char parsed_string[MAX_STRING_LEN];
- char *tag_val;
- SV *sub = Nullsv;
- AV *av = newAV();
-
- if (ap_allow_options(r) & OPT_INCNOEXEC) {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "#perl SSI disallowed by IncludesNoExec in %s",
- r->filename);
- return DECLINED;
- }
- while (1) {
- if (!(tag_val = get_tag(r->pool, in, tag, sizeof(tag), 1))) {
- break;
- }
- if (strnEQ(tag, "sub", 3)) {
- sub = newSVpv(tag_val, 0);
- }
- else if (strnEQ(tag, "arg", 3)) {
- parse_string(r, tag_val, parsed_string, sizeof(parsed_string), 0);
- av_push(av, newSVpv(parsed_string, 0));
- }
- else if (strnEQ(tag, "done", 4)) {
- break;
- }
- }
- perl_stdout2client(r);
- perl_setup_env(r);
- perl_call_handler(sub, r, av);
- return OK;
-}
-#endif
-
-/* error and tf must point to a string with room for at
- * least MAX_STRING_LEN characters
- */
-static int handle_config(ap_file_t *in, request_rec *r, char *error, char *tf,
- int *sizefmt)
-{
- char tag[MAX_STRING_LEN];
- char *tag_val;
- char parsed_string[MAX_STRING_LEN];
- ap_table_t *env = r->subprocess_env;
-
- while (1) {
- if (!(tag_val = get_tag(r->pool, in, tag, sizeof(tag), 0))) {
- return 1;
- }
- if (!strcmp(tag, "errmsg")) {
- parse_string(r, tag_val, error, MAX_STRING_LEN, 0);
- }
- else if (!strcmp(tag, "timefmt")) {
- ap_time_t date = r->request_time;
-
- parse_string(r, tag_val, tf, MAX_STRING_LEN, 0);
- ap_table_setn(env, "DATE_LOCAL", ap_ht_time(r->pool, date, tf, 0));
- ap_table_setn(env, "DATE_GMT", ap_ht_time(r->pool, date, tf, 1));
- ap_table_setn(env, "LAST_MODIFIED",
- ap_ht_time(r->pool, r->finfo.mtime, tf, 0));
- }
- else if (!strcmp(tag, "sizefmt")) {
- parse_string(r, tag_val, parsed_string, sizeof(parsed_string), 0);
- decodehtml(parsed_string);
- if (!strcmp(parsed_string, "bytes")) {
- *sizefmt = SIZEFMT_BYTES;
- }
- else if (!strcmp(parsed_string, "abbrev")) {
- *sizefmt = SIZEFMT_KMG;
- }
- }
- else if (!strcmp(tag, "done")) {
- return 0;
- }
- else {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "unknown parameter \"%s\" to tag config in %s",
- tag, r->filename);
- ap_rputs(error, r);
- }
- }
-}
+ return 0;
+}
static int find_file(request_rec *r, const char *directive, const char *tag,
- char *tag_val, ap_finfo_t *finfo, const char *error)
+ char *tag_val, apr_finfo_t *finfo)
{
char *to_send = tag_val;
request_rec *rr = NULL;
int ret=0;
char *error_fmt = NULL;
+ apr_status_t rv = APR_SUCCESS;
if (!strcmp(tag, "file")) {
/* be safe; only files in this directory or below allowed */
}
else {
ap_getparents(tag_val); /* get rid of any nasties */
- rr = ap_sub_req_lookup_file(tag_val, r);
- if (rr->status == HTTP_OK && rr->finfo.protection != 0) {
+ /* note: it is okay to pass NULL for the "next filter" since
+ we never attempt to "run" this sub request. */
+ rr = ap_sub_req_lookup_file(tag_val, r, NULL);
+
+ if (rr->status == HTTP_OK && rr->finfo.filetype != 0) {
to_send = rr->filename;
- if (ap_stat(finfo, to_send, rr->pool) != APR_SUCCESS) {
+ if ((rv = apr_stat(finfo, to_send, APR_FINFO_GPROT
+ | APR_FINFO_MIN, rr->pool)) != APR_SUCCESS
+ && rv != APR_INCOMPLETE) {
error_fmt = "unable to get information about \"%s\" "
"in parsed file %s";
}
if (error_fmt) {
ret = -1;
- ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, error_fmt, to_send, r->filename);
- ap_rputs(error, r);
+ ap_log_rerror(APLOG_MARK, APLOG_ERR | (rv ? 0 : APLOG_NOERRNO),
+ rv, r, error_fmt, to_send, r->filename);
}
if (rr) ap_destroy_sub_req(rr);
return ret;
}
else if (!strcmp(tag, "virtual")) {
- rr = ap_sub_req_lookup_uri(tag_val, r);
+ /* note: it is okay to pass NULL for the "next filter" since
+ we never attempt to "run" this sub request. */
+ rr = ap_sub_req_lookup_uri(tag_val, r, NULL);
- if (rr->status == HTTP_OK && rr->finfo.protection != 0) {
+ if (rr->status == HTTP_OK && rr->finfo.filetype != 0) {
memcpy((char *) finfo, (const char *) &rr->finfo,
sizeof(rr->finfo));
ap_destroy_sub_req(rr);
"unable to get information about \"%s\" "
"in parsed file %s",
tag_val, r->filename);
- ap_rputs(error, r);
ap_destroy_sub_req(rr);
return -1;
}
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"unknown parameter \"%s\" to tag %s in %s",
tag, directive, r->filename);
- ap_rputs(error, r);
return -1;
}
}
-
-static int handle_fsize(ap_file_t *in, request_rec *r, const char *error, int sizefmt)
+static int handle_fsize(include_ctx_t *ctx, apr_bucket_brigade **bb, request_rec *r,
+ ap_filter_t *f, apr_bucket *head_ptr, apr_bucket **inserted_head)
{
- char tag[MAX_STRING_LEN];
- char *tag_val;
- ap_finfo_t finfo;
+ char *tag = NULL;
+ char *tag_val = NULL;
+ apr_finfo_t finfo;
+ apr_size_t s_len, s_wrt;
+ apr_bucket *tmp_buck;
char parsed_string[MAX_STRING_LEN];
- while (1) {
- if (!(tag_val = get_tag(r->pool, in, tag, sizeof(tag), 1))) {
- return 1;
- }
- else if (!strcmp(tag, "done")) {
- return 0;
- }
- else {
- parse_string(r, tag_val, parsed_string, sizeof(parsed_string), 0);
- if (!find_file(r, "fsize", tag, parsed_string, &finfo, error)) {
- if (sizefmt == SIZEFMT_KMG) {
- ap_send_size(finfo.size, r);
+ *inserted_head = NULL;
+ if (ctx->flags & FLAG_PRINTING) {
+ while (1) {
+ ap_ssi_get_tag_and_value(ctx, &tag, &tag_val, 1);
+ if (tag_val == NULL) {
+ if (tag == NULL) {
+ return 0;
}
else {
- int l, x;
- ap_snprintf(tag, sizeof(tag), "%" APR_OFF_T_FMT, finfo.size);
- l = strlen(tag); /* grrr */
- for (x = 0; x < l; x++) {
- if (x && (!((l - x) % 3))) {
- ap_rputc(',', r);
+ return 1;
+ }
+ }
+ else {
+ ap_ssi_parse_string(r, tag_val, parsed_string, sizeof(parsed_string), 0);
+ if (!find_file(r, "fsize", tag, parsed_string, &finfo)) {
+ char buff[50];
+
+ if (!(ctx->flags & FLAG_SIZE_IN_BYTES)) {
+ apr_strfsize(finfo.size, buff);
+ s_len = strlen (buff);
+ }
+ else {
+ int l, x, pos = 0;
+ char tmp_buff[50];
+
+ apr_snprintf(tmp_buff, sizeof(tmp_buff), "%" APR_OFF_T_FMT, finfo.size);
+ l = strlen(tmp_buff); /* grrr */
+ for (x = 0; x < l; x++) {
+ if (x && (!((l - x) % 3))) {
+ buff[pos++] = ',';
+ }
+ buff[pos++] = tmp_buff[x];
}
- ap_rputc(tag[x], r);
+ buff[pos] = '\0';
+ s_len = pos;
+ }
+
+ tmp_buck = apr_bucket_heap_create(buff, s_len, 1, &s_wrt);
+ APR_BUCKET_INSERT_BEFORE(head_ptr, tmp_buck);
+ if (*inserted_head == NULL) {
+ *inserted_head = tmp_buck;
}
}
+ else {
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
+ }
}
}
}
+ return 0;
}
-static int handle_flastmod(ap_file_t *in, request_rec *r, const char *error, const char *tf)
+static int handle_flastmod(include_ctx_t *ctx, apr_bucket_brigade **bb, request_rec *r,
+ ap_filter_t *f, apr_bucket *head_ptr, apr_bucket **inserted_head)
{
- char tag[MAX_STRING_LEN];
- char *tag_val;
- ap_finfo_t finfo;
+ char *tag = NULL;
+ char *tag_val = NULL;
+ apr_finfo_t finfo;
+ apr_size_t t_len, t_wrt;
+ apr_bucket *tmp_buck;
char parsed_string[MAX_STRING_LEN];
- while (1) {
- if (!(tag_val = get_tag(r->pool, in, tag, sizeof(tag), 1))) {
- return 1;
- }
- else if (!strcmp(tag, "done")) {
- return 0;
- }
- else {
- parse_string(r, tag_val, parsed_string, sizeof(parsed_string), 0);
- if (!find_file(r, "flastmod", tag, parsed_string, &finfo, error)) {
- ap_rputs(ap_ht_time(r->pool, finfo.mtime, tf, 0), r);
+ *inserted_head = NULL;
+ if (ctx->flags & FLAG_PRINTING) {
+ while (1) {
+ ap_ssi_get_tag_and_value(ctx, &tag, &tag_val, 1);
+ if (tag_val == NULL) {
+ if (tag == NULL) {
+ return 0;
+ }
+ else {
+ return 1;
+ }
+ }
+ else {
+ ap_ssi_parse_string(r, tag_val, parsed_string, sizeof(parsed_string), 0);
+ if (!find_file(r, "flastmod", tag, parsed_string, &finfo)) {
+ char *t_val;
+
+ t_val = ap_ht_time(r->pool, finfo.mtime, ctx->time_str, 0);
+ t_len = strlen(t_val);
+
+ tmp_buck = apr_bucket_heap_create(t_val, t_len, 1, &t_wrt);
+ APR_BUCKET_INSERT_BEFORE(head_ptr, tmp_buck);
+ if (*inserted_head == NULL) {
+ *inserted_head = tmp_buck;
+ }
+ }
+ else {
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
+ }
}
}
}
+ return 0;
}
static int re_check(request_rec *r, char *string, char *rexp)
/* there is an implicit assumption here that string is at most MAX_STRING_LEN-1
* characters long...
*/
-static const char *get_ptoken(request_rec *r, const char *string, struct token *token)
+static const char *get_ptoken(request_rec *r, const char *string, struct token *token,
+ int *unmatched)
{
char ch;
int next = 0;
int qs = 0;
+ int tkn_fnd = 0;
/* Skip leading white space */
if (string == (char *) NULL) {
return (char *) NULL;
}
while ((ch = *string++)) {
- if (!ap_isspace(ch)) {
+ if (!apr_isspace(ch)) {
break;
}
}
* I used the ++string throughout this section so that string
* ends up pointing to the next token and I can just return it
*/
- for (ch = *string; ch != '\0'; ch = *++string) {
+ for (ch = *string; ((ch != '\0') && (!tkn_fnd)); ch = *++string) {
if (ch == '\\') {
if ((ch = *++string) == '\0') {
- goto TOKEN_DONE;
+ tkn_fnd = 1;
+ }
+ else {
+ token->value[next++] = ch;
}
- token->value[next++] = ch;
- continue;
}
- if (!qs) {
- if (ap_isspace(ch)) {
- goto TOKEN_DONE;
- }
- switch (ch) {
- case '(':
- goto TOKEN_DONE;
- case ')':
- goto TOKEN_DONE;
- case '=':
- goto TOKEN_DONE;
- case '!':
- goto TOKEN_DONE;
- case '|':
- if (*(string + 1) == '|') {
- goto TOKEN_DONE;
+ else {
+ if (!qs) {
+ if (apr_isspace(ch)) {
+ tkn_fnd = 1;
}
- break;
- case '&':
- if (*(string + 1) == '&') {
- goto TOKEN_DONE;
+ else {
+ switch (ch) {
+ case '(':
+ case ')':
+ case '=':
+ case '!':
+ case '<':
+ case '>':
+ tkn_fnd = 1;
+ break;
+ case '|':
+ if (*(string + 1) == '|') {
+ tkn_fnd = 1;
+ }
+ break;
+ case '&':
+ if (*(string + 1) == '&') {
+ tkn_fnd = 1;
+ }
+ break;
+ }
+ if (!tkn_fnd) {
+ token->value[next++] = ch;
+ }
}
- break;
- case '<':
- goto TOKEN_DONE;
- case '>':
- goto TOKEN_DONE;
}
- token->value[next++] = ch;
- }
- else {
- if (ch == '\'') {
- qs = 0;
- ++string;
- goto TOKEN_DONE;
+ else {
+ if (ch == '\'') {
+ qs = 0;
+ ++string;
+ tkn_fnd = 1;
+ }
+ else {
+ token->value[next++] = ch;
+ }
}
- token->value[next++] = ch;
}
}
- TOKEN_DONE:
+
/* If qs is still set, I have an unmatched ' */
if (qs) {
- ap_rputs("\nUnmatched '\n", r);
+ *unmatched = 1;
next = 0;
}
token->value[next] = '\0';
/* there is an implicit assumption here that expr is at most MAX_STRING_LEN-1
* characters long...
*/
-static int parse_expr(request_rec *r, const char *expr, const char *error)
+static int parse_expr(request_rec *r, const char *expr, int *was_error,
+ int *was_unmatched, char *debug)
{
struct parse_node {
struct parse_node *left, *right, *parent;
} *root, *current, *new;
const char *parse;
char buffer[MAX_STRING_LEN];
- ap_pool_t *expr_pool;
+ apr_pool_t *expr_pool;
int retval = 0;
+ apr_size_t debug_pos = 0;
+ debug[debug_pos] = '\0';
+ *was_error = 0;
+ *was_unmatched = 0;
if ((parse = expr) == (char *) NULL) {
return (0);
}
root = current = (struct parse_node *) NULL;
- if (ap_create_pool(&expr_pool, r->pool) != APR_SUCCESS)
+ if (apr_pool_create(&expr_pool, r->pool) != APR_SUCCESS)
return 0;
/* Create Parse Tree */
while (1) {
- new = (struct parse_node *) ap_palloc(expr_pool,
+ new = (struct parse_node *) apr_palloc(expr_pool,
sizeof(struct parse_node));
new->parent = new->left = new->right = (struct parse_node *) NULL;
new->done = 0;
- if ((parse = get_ptoken(r, parse, &new->token)) == (char *) NULL) {
+ if ((parse = get_ptoken(r, parse, &new->token, was_unmatched)) == (char *) NULL) {
break;
}
switch (new->token.type) {
case token_string:
#ifdef DEBUG_INCLUDE
- ap_rvputs(r, " Token: string (", new->token.value, ")\n", NULL);
+ debug_pos += sprintf (&debug[debug_pos], " Token: string (%s)\n",
+ new->token.value);
#endif
if (current == (struct parse_node *) NULL) {
root = current = new;
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"Invalid expression \"%s\" in file %s",
expr, r->filename);
- ap_rputs(error, r);
+ *was_error = 1;
goto RETURN;
}
break;
case token_and:
case token_or:
#ifdef DEBUG_INCLUDE
- ap_rputs(" Token: and/or\n", r);
+ memcpy (&debug[debug_pos], " Token: and/or\n",
+ sizeof (" Token: and/or\n"));
+ debug_pos += sizeof (" Token: and/or\n");
#endif
if (current == (struct parse_node *) NULL) {
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"Invalid expression \"%s\" in file %s",
expr, r->filename);
- ap_rputs(error, r);
+ *was_error = 1;
goto RETURN;
}
/* Percolate upwards */
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"Invalid expression \"%s\" in file %s",
expr, r->filename);
- ap_rputs(error, r);
+ *was_error = 1;
goto RETURN;
}
break;
case token_not:
#ifdef DEBUG_INCLUDE
- ap_rputs(" Token: not\n", r);
+ memcpy (&debug[debug_pos], " Token: not\n",
+ sizeof (" Token: not\n"));
+ debug_pos += sizeof (" Token: not\n");
#endif
if (current == (struct parse_node *) NULL) {
root = current = new;
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"Invalid expression \"%s\" in file %s",
expr, r->filename);
- ap_rputs(error, r);
+ *was_error = 1;
goto RETURN;
}
break;
case token_le:
case token_lt:
#ifdef DEBUG_INCLUDE
- ap_rputs(" Token: eq/ne/ge/gt/le/lt\n", r);
+ memcpy (&debug[debug_pos], " Token: eq/ne/ge/gt/le/lt\n",
+ sizeof (" Token: eq/ne/ge/gt/le/lt\n"));
+ debug_pos += sizeof (" Token: eq/ne/ge/gt/le/lt\n");
#endif
if (current == (struct parse_node *) NULL) {
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"Invalid expression \"%s\" in file %s",
expr, r->filename);
- ap_rputs(error, r);
+ *was_error = 1;
goto RETURN;
}
/* Percolate upwards */
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"Invalid expression \"%s\" in file %s",
expr, r->filename);
- ap_rputs(error, r);
+ *was_error = 1;
goto RETURN;
}
break;
case token_rbrace:
#ifdef DEBUG_INCLUDE
- ap_rputs(" Token: rbrace\n", r);
+ memcpy (&debug[debug_pos], " Token: rbrace\n",
+ sizeof (" Token: rbrace\n"));
+ debug_pos += sizeof (" Token: rbrace\n");
#endif
while (current != (struct parse_node *) NULL) {
if (current->token.type == token_lbrace) {
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"Unmatched ')' in \"%s\" in file %s",
expr, r->filename);
- ap_rputs(error, r);
+ *was_error = 1;
goto RETURN;
}
break;
case token_lbrace:
#ifdef DEBUG_INCLUDE
- ap_rputs(" Token: lbrace\n", r);
+ memcpy (&debug[debug_pos], " Token: lbrace\n",
+ sizeof (" Token: lbrace\n"));
+ debug_pos += sizeof (" Token: lbrace\n");
#endif
if (current == (struct parse_node *) NULL) {
root = current = new;
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"Invalid expression \"%s\" in file %s",
expr, r->filename);
- ap_rputs(error, r);
+ *was_error = 1;
goto RETURN;
}
break;
switch (current->token.type) {
case token_string:
#ifdef DEBUG_INCLUDE
- ap_rputs(" Evaluate string\n", r);
+ memcpy (&debug[debug_pos], " Evaluate string\n",
+ sizeof (" Evaluate string\n"));
+ debug_pos += sizeof (" Evaluate string\n");
#endif
- parse_string(r, current->token.value, buffer, sizeof(buffer), 0);
- ap_cpystrn(current->token.value, buffer, sizeof(current->token.value));
+ ap_ssi_parse_string(r, current->token.value, buffer, sizeof(buffer), 0);
+ apr_cpystrn(current->token.value, buffer, sizeof(current->token.value));
current->value = (current->token.value[0] != '\0');
current->done = 1;
current = current->parent;
case token_and:
case token_or:
#ifdef DEBUG_INCLUDE
- ap_rputs(" Evaluate and/or\n", r);
+ memcpy (&debug[debug_pos], " Evaluate and/or\n",
+ sizeof (" Evaluate and/or\n"));
+ debug_pos += sizeof (" Evaluate and/or\n");
#endif
if (current->left == (struct parse_node *) NULL ||
current->right == (struct parse_node *) NULL) {
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"Invalid expression \"%s\" in file %s",
expr, r->filename);
- ap_rputs(error, r);
+ *was_error = 1;
goto RETURN;
}
if (!current->left->done) {
switch (current->left->token.type) {
case token_string:
- parse_string(r, current->left->token.value,
+ ap_ssi_parse_string(r, current->left->token.value,
buffer, sizeof(buffer), 0);
- ap_cpystrn(current->left->token.value, buffer,
+ apr_cpystrn(current->left->token.value, buffer,
sizeof(current->left->token.value));
current->left->value = (current->left->token.value[0] != '\0');
current->left->done = 1;
if (!current->right->done) {
switch (current->right->token.type) {
case token_string:
- parse_string(r, current->right->token.value,
+ ap_ssi_parse_string(r, current->right->token.value,
buffer, sizeof(buffer), 0);
- ap_cpystrn(current->right->token.value, buffer,
+ apr_cpystrn(current->right->token.value, buffer,
sizeof(current->right->token.value));
current->right->value = (current->right->token.value[0] != '\0');
current->right->done = 1;
}
}
#ifdef DEBUG_INCLUDE
- ap_rvputs(r, " Left: ", current->left->value ? "1" : "0",
- "\n", NULL);
- ap_rvputs(r, " Right: ", current->right->value ? "1" : "0",
- "\n", NULL);
+ debug_pos += sprintf (&debug[debug_pos], " Left: %c\n",
+ current->left->value ? '1' : '0');
+ debug_pos += sprintf (&debug[debug_pos], " Right: %c\n",
+ current->right->value ? '1' : '0');
#endif
if (current->token.type == token_and) {
current->value = current->left->value && current->right->value;
current->value = current->left->value || current->right->value;
}
#ifdef DEBUG_INCLUDE
- ap_rvputs(r, " Returning ", current->value ? "1" : "0",
- "\n", NULL);
+ debug_pos += sprintf (&debug[debug_pos], " Returning %c\n",
+ current->value ? '1' : '0');
#endif
current->done = 1;
current = current->parent;
case token_eq:
case token_ne:
#ifdef DEBUG_INCLUDE
- ap_rputs(" Evaluate eq/ne\n", r);
+ memcpy (&debug[debug_pos], " Evaluate eq/ne\n",
+ sizeof (" Evaluate eq/ne\n"));
+ debug_pos += sizeof (" Evaluate eq/ne\n");
#endif
if ((current->left == (struct parse_node *) NULL) ||
(current->right == (struct parse_node *) NULL) ||
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"Invalid expression \"%s\" in file %s",
expr, r->filename);
- ap_rputs(error, r);
+ *was_error = 1;
goto RETURN;
}
- parse_string(r, current->left->token.value,
+ ap_ssi_parse_string(r, current->left->token.value,
buffer, sizeof(buffer), 0);
- ap_cpystrn(current->left->token.value, buffer,
+ apr_cpystrn(current->left->token.value, buffer,
sizeof(current->left->token.value));
- parse_string(r, current->right->token.value,
+ ap_ssi_parse_string(r, current->right->token.value,
buffer, sizeof(buffer), 0);
- ap_cpystrn(current->right->token.value, buffer,
+ apr_cpystrn(current->right->token.value, buffer,
sizeof(current->right->token.value));
if (current->right->token.value[0] == '/') {
int len;
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"Invalid rexp \"%s\" in file %s",
current->right->token.value, r->filename);
- ap_rputs(error, r);
+ *was_error = 1;
goto RETURN;
}
#ifdef DEBUG_INCLUDE
- ap_rvputs(r, " Re Compare (", current->left->token.value,
- ") with /", ¤t->right->token.value[1], "/\n", NULL);
+ debug_pos += sprintf (&debug[debug_pos],
+ " Re Compare (%s) with /%s/\n",
+ current->left->token.value,
+ ¤t->right->token.value[1]);
#endif
current->value =
re_check(r, current->left->token.value,
}
else {
#ifdef DEBUG_INCLUDE
- ap_rvputs(r, " Compare (", current->left->token.value,
- ") with (", current->right->token.value, ")\n", NULL);
+ debug_pos += sprintf (&debug[debug_pos],
+ " Compare (%s) with (%s)\n",
+ current->left->token.value,
+ current->right->token.value);
#endif
current->value =
(strcmp(current->left->token.value,
current->value = !current->value;
}
#ifdef DEBUG_INCLUDE
- ap_rvputs(r, " Returning ", current->value ? "1" : "0",
- "\n", NULL);
+ debug_pos += sprintf (&debug[debug_pos], " Returning %c\n",
+ current->value ? '1' : '0');
#endif
current->done = 1;
current = current->parent;
case token_le:
case token_lt:
#ifdef DEBUG_INCLUDE
- ap_rputs(" Evaluate ge/gt/le/lt\n", r);
+ memcpy (&debug[debug_pos], " Evaluate ge/gt/le/lt\n",
+ sizeof (" Evaluate ge/gt/le/lt\n"));
+ debug_pos += sizeof (" Evaluate ge/gt/le/lt\n");
#endif
if ((current->left == (struct parse_node *) NULL) ||
(current->right == (struct parse_node *) NULL) ||
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"Invalid expression \"%s\" in file %s",
expr, r->filename);
- ap_rputs(error, r);
+ *was_error = 1;
goto RETURN;
}
- parse_string(r, current->left->token.value,
+ ap_ssi_parse_string(r, current->left->token.value,
buffer, sizeof(buffer), 0);
- ap_cpystrn(current->left->token.value, buffer,
+ apr_cpystrn(current->left->token.value, buffer,
sizeof(current->left->token.value));
- parse_string(r, current->right->token.value,
+ ap_ssi_parse_string(r, current->right->token.value,
buffer, sizeof(buffer), 0);
- ap_cpystrn(current->right->token.value, buffer,
+ apr_cpystrn(current->right->token.value, buffer,
sizeof(current->right->token.value));
#ifdef DEBUG_INCLUDE
- ap_rvputs(r, " Compare (", current->left->token.value,
- ") with (", current->right->token.value, ")\n", NULL);
+ debug_pos += sprintf (&debug[debug_pos],
+ " Compare (%s) with (%s)\n",
+ current->left->token.value,
+ current->right->token.value);
#endif
current->value =
strcmp(current->left->token.value,
current->value = 0; /* Don't return -1 if unknown token */
}
#ifdef DEBUG_INCLUDE
- ap_rvputs(r, " Returning ", current->value ? "1" : "0",
- "\n", NULL);
+ debug_pos += sprintf (&debug[debug_pos], " Returning %c\n",
+ current->value ? '1' : '0');
#endif
current->done = 1;
current = current->parent;
current->value = 0;
}
#ifdef DEBUG_INCLUDE
- ap_rvputs(r, " Evaluate !: ", current->value ? "1" : "0",
- "\n", NULL);
+ debug_pos += sprintf (&debug[debug_pos], " Evaluate !: %c\n",
+ current->value ? '1' : '0');
#endif
current->done = 1;
current = current->parent;
current->value = 1;
}
#ifdef DEBUG_INCLUDE
- ap_rvputs(r, " Evaluate (): ", current->value ? "1" : "0",
- "\n", NULL);
+ debug_pos += sprintf (&debug[debug_pos], " Evaluate (): %c\n",
+ current->value ? '1' : '0');
#endif
current->done = 1;
current = current->parent;
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"Unmatched '(' in \"%s\" in file %s",
expr, r->filename);
- ap_rputs(error, r);
+ *was_error = 1;
goto RETURN;
case token_rbrace:
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
"Unmatched ')' in \"%s\" in file %s",
expr, r->filename);
- ap_rputs(error, r);
+ *was_error = 1;
goto RETURN;
default:
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "bad token type");
- ap_rputs(error, r);
+ "bad token type");
+ *was_error = 1;
goto RETURN;
}
}
retval = (root == (struct parse_node *) NULL) ? 0 : root->value;
RETURN:
- ap_destroy_pool(expr_pool);
+ apr_pool_destroy(expr_pool);
return (retval);
}
-static int handle_if(ap_file_t *in, request_rec *r, const char *error,
- int *conditional_status, int *printing)
-{
- char tag[MAX_STRING_LEN];
- char *tag_val;
- char *expr;
-
- expr = NULL;
- while (1) {
- tag_val = get_tag(r->pool, in, tag, sizeof(tag), 0);
- if (*tag == '\0') {
- return 1;
- }
- else if (!strcmp(tag, "done")) {
- if (expr == NULL) {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "missing expr in if statement: %s",
- r->filename);
- ap_rputs(error, r);
- return 1;
- }
- *printing = *conditional_status = parse_expr(r, expr, error);
+/*-------------------------------------------------------------------------*/
#ifdef DEBUG_INCLUDE
- ap_rvputs(r, "**** if conditional_status=\"",
- *conditional_status ? "1" : "0", "\"\n", NULL);
+
+/* XXX overlaying the static string pointed to by cond_txt isn't cool */
+
+#define MAX_DEBUG_SIZE MAX_STRING_LEN
+#define LOG_COND_STATUS(cntx, t_buck, h_ptr, ins_head, tag_text) \
+{ \
+ char *cond_txt = "**** X conditional_status=\"0\"\n"; \
+ apr_size_t c_wrt; \
+ \
+ if (cntx->flags & FLAG_COND_TRUE) { \
+ cond_txt[31] = '1'; \
+ } \
+ memcpy(&cond_txt[5], tag_text, sizeof(tag_text)); \
+ t_buck = apr_bucket_heap_create(cond_txt, sizeof(cond_txt), 1, &c_wrt); \
+ APR_BUCKET_INSERT_BEFORE(h_ptr, t_buck); \
+ \
+ if (ins_head == NULL) { \
+ ins_head = t_buck; \
+ } \
+}
+#define DUMP_PARSE_EXPR_DEBUG(t_buck, h_ptr, d_buf, ins_head) \
+{ \
+ apr_size_t b_wrt; \
+ if (d_buf[0] != '\0') { \
+ t_buck = apr_bucket_heap_create(d_buf, strlen(d_buf), 1, &b_wrt); \
+ APR_BUCKET_INSERT_BEFORE(h_ptr, t_buck); \
+ \
+ if (ins_head == NULL) { \
+ ins_head = t_buck; \
+ } \
+ } \
+}
+#else
+
+#define MAX_DEBUG_SIZE 10
+#define LOG_COND_STATUS(cntx, t_buck, h_ptr, ins_head, tag_text)
+#define DUMP_PARSE_EXPR_DEBUG(t_buck, h_ptr, d_buf, ins_head)
+
#endif
- return 0;
- }
- else if (!strcmp(tag, "expr")) {
- expr = tag_val;
+/*-------------------------------------------------------------------------*/
+
+/* pjr - These seem to allow expr="fred" expr="joe" where joe overwrites fred. */
+static int handle_if(include_ctx_t *ctx, apr_bucket_brigade **bb, request_rec *r,
+ ap_filter_t *f, apr_bucket *head_ptr, apr_bucket **inserted_head)
+{
+ char *tag = NULL;
+ char *tag_val = NULL;
+ char *expr = NULL;
+ int expr_ret, was_error, was_unmatched;
+ apr_bucket *tmp_buck;
+ char debug_buf[MAX_DEBUG_SIZE];
+
+ *inserted_head = NULL;
+ if (!ctx->flags & FLAG_PRINTING) {
+ ctx->if_nesting_level++;
+ }
+ else {
+ while (1) {
+ ap_ssi_get_tag_and_value(ctx, &tag, &tag_val, 0);
+ if (tag == NULL) {
+ if (expr == NULL) {
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
+ "missing expr in if statement: %s", r->filename);
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
+ return 1;
+ }
+ expr_ret = parse_expr(r, expr, &was_error, &was_unmatched, debug_buf);
+ if (was_error) {
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
+ return 1;
+ }
+ if (was_unmatched) {
+ DUMP_PARSE_EXPR_DEBUG(tmp_buck, head_ptr, "\nUnmatched '\n",
+ *inserted_head);
+ }
+ DUMP_PARSE_EXPR_DEBUG(tmp_buck, head_ptr, debug_buf, *inserted_head);
+
+ if (expr_ret) {
+ ctx->flags |= (FLAG_PRINTING | FLAG_COND_TRUE);
+ }
+ else {
+ ctx->flags &= FLAG_CLEAR_PRINT_COND;
+ }
+ LOG_COND_STATUS(ctx, tmp_buck, head_ptr, *inserted_head, " if");
+ ctx->if_nesting_level = 0;
+ return 0;
+ }
+ else if (!strcmp(tag, "expr")) {
+ expr = tag_val;
#ifdef DEBUG_INCLUDE
- ap_rvputs(r, "**** if expr=\"", expr, "\"\n", NULL);
+ if (1) {
+ apr_size_t d_len = 0, d_wrt = 0;
+ d_len = sprintf(debug_buf, "**** if expr=\"%s\"\n", expr);
+ tmp_buck = apr_bucket_heap_create(debug_buf, d_len, 1, &d_wrt);
+ APR_BUCKET_INSERT_BEFORE(head_ptr, tmp_buck);
+
+ if (*inserted_head == NULL) {
+ *inserted_head = tmp_buck;
+ }
+ }
#endif
- }
- else {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "unknown parameter \"%s\" to tag if in %s",
- tag, r->filename);
- ap_rputs(error, r);
+ }
+ else {
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
+ "unknown parameter \"%s\" to tag if in %s", tag, r->filename);
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
+ }
+
}
}
+ return 0;
}
-static int handle_elif(ap_file_t *in, request_rec *r, const char *error,
- int *conditional_status, int *printing)
+static int handle_elif(include_ctx_t *ctx, apr_bucket_brigade **bb, request_rec *r,
+ ap_filter_t *f, apr_bucket *head_ptr, apr_bucket **inserted_head)
{
- char tag[MAX_STRING_LEN];
- char *tag_val;
- char *expr;
-
- expr = NULL;
- while (1) {
- tag_val = get_tag(r->pool, in, tag, sizeof(tag), 0);
- if (*tag == '\0') {
- return 1;
- }
- else if (!strcmp(tag, "done")) {
-#ifdef DEBUG_INCLUDE
- ap_rvputs(r, "**** elif conditional_status=\"",
- *conditional_status ? "1" : "0", "\"\n", NULL);
-#endif
- if (*conditional_status) {
- *printing = 0;
+ char *tag = NULL;
+ char *tag_val = NULL;
+ char *expr = NULL;
+ int expr_ret, was_error, was_unmatched;
+ apr_bucket *tmp_buck;
+ char debug_buf[MAX_DEBUG_SIZE];
+
+ *inserted_head = NULL;
+ if (!ctx->if_nesting_level) {
+ while (1) {
+ ap_ssi_get_tag_and_value(ctx, &tag, &tag_val, 0);
+ if (tag == '\0') {
+ LOG_COND_STATUS(ctx, tmp_buck, head_ptr, *inserted_head, " elif");
+
+ if (ctx->flags & FLAG_COND_TRUE) {
+ ctx->flags &= FLAG_CLEAR_PRINTING;
+ return (0);
+ }
+ if (expr == NULL) {
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
+ "missing expr in elif statement: %s", r->filename);
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
+ return (1);
+ }
+ expr_ret = parse_expr(r, expr, &was_error, &was_unmatched, debug_buf);
+ if (was_error) {
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
+ return 1;
+ }
+ if (was_unmatched) {
+ DUMP_PARSE_EXPR_DEBUG(tmp_buck, head_ptr, "\nUnmatched '\n",
+ *inserted_head);
+ }
+ DUMP_PARSE_EXPR_DEBUG(tmp_buck, head_ptr, debug_buf, *inserted_head);
+
+ if (expr_ret) {
+ ctx->flags |= (FLAG_PRINTING | FLAG_COND_TRUE);
+ }
+ else {
+ ctx->flags &= FLAG_CLEAR_PRINT_COND;
+ }
+ LOG_COND_STATUS(ctx, tmp_buck, head_ptr, *inserted_head, " elif");
return (0);
}
- if (expr == NULL) {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "missing expr in elif statement: %s",
- r->filename);
- ap_rputs(error, r);
- return 1;
- }
- *printing = *conditional_status = parse_expr(r, expr, error);
+ else if (!strcmp(tag, "expr")) {
+ expr = tag_val;
#ifdef DEBUG_INCLUDE
- ap_rvputs(r, "**** elif conditional_status=\"",
- *conditional_status ? "1" : "0", "\"\n", NULL);
-#endif
- return 0;
- }
- else if (!strcmp(tag, "expr")) {
- expr = tag_val;
-#ifdef DEBUG_INCLUDE
- ap_rvputs(r, "**** if expr=\"", expr, "\"\n", NULL);
+ if (1) {
+ apr_size_t d_len = 0, d_wrt = 0;
+ d_len = sprintf(debug_buf, "**** elif expr=\"%s\"\n", expr);
+ tmp_buck = apr_bucket_heap_create(debug_buf, d_len, 1, &d_wrt);
+ APR_BUCKET_INSERT_BEFORE(head_ptr, tmp_buck);
+
+ if (*inserted_head == NULL) {
+ *inserted_head = tmp_buck;
+ }
+ }
#endif
- }
- else {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "unknown parameter \"%s\" to tag if in %s",
- tag, r->filename);
- ap_rputs(error, r);
+ }
+ else {
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
+ "unknown parameter \"%s\" to tag if in %s", tag, r->filename);
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
+ }
}
}
+ return 0;
}
-static int handle_else(ap_file_t *in, request_rec *r, const char *error,
- int *conditional_status, int *printing)
+static int handle_else(include_ctx_t *ctx, apr_bucket_brigade **bb, request_rec *r,
+ ap_filter_t *f, apr_bucket *head_ptr, apr_bucket **inserted_head)
{
- char tag[MAX_STRING_LEN];
-
- if (!get_tag(r->pool, in, tag, sizeof(tag), 1)) {
- return 1;
- }
- else if (!strcmp(tag, "done")) {
-#ifdef DEBUG_INCLUDE
- ap_rvputs(r, "**** else conditional_status=\"",
- *conditional_status ? "1" : "0", "\"\n", NULL);
-#endif
- *printing = !(*conditional_status);
- *conditional_status = 1;
- return 0;
- }
- else {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "else directive does not take tags in %s",
- r->filename);
- if (*printing) {
- ap_rputs(error, r);
+ char *tag = NULL;
+ char *tag_val = NULL;
+ apr_bucket *tmp_buck;
+
+ *inserted_head = NULL;
+ if (!ctx->if_nesting_level) {
+ ap_ssi_get_tag_and_value(ctx, &tag, &tag_val, 1);
+ if ((tag != NULL) || (tag_val != NULL)) {
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
+ "else directive does not take tags in %s", r->filename);
+ if (ctx->flags & FLAG_PRINTING) {
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
+ }
+ return -1;
+ }
+ else {
+ LOG_COND_STATUS(ctx, tmp_buck, head_ptr, *inserted_head, " else");
+
+ if (ctx->flags & FLAG_COND_TRUE) {
+ ctx->flags &= FLAG_CLEAR_PRINTING;
+ }
+ else {
+ ctx->flags |= (FLAG_PRINTING | FLAG_COND_TRUE);
+ }
+ return 0;
}
- return -1;
}
+ return 0;
}
-static int handle_endif(ap_file_t *in, request_rec *r, const char *error,
- int *conditional_status, int *printing)
+static int handle_endif(include_ctx_t *ctx, apr_bucket_brigade **bb, request_rec *r,
+ ap_filter_t *f, apr_bucket *head_ptr, apr_bucket **inserted_head)
{
- char tag[MAX_STRING_LEN];
-
- if (!get_tag(r->pool, in, tag, sizeof(tag), 1)) {
- return 1;
- }
- else if (!strcmp(tag, "done")) {
-#ifdef DEBUG_INCLUDE
- ap_rvputs(r, "**** endif conditional_status=\"",
- *conditional_status ? "1" : "0", "\"\n", NULL);
-#endif
- *printing = 1;
- *conditional_status = 1;
- return 0;
+ char *tag = NULL;
+ char *tag_val = NULL;
+ apr_bucket *tmp_buck;
+
+ *inserted_head = NULL;
+ if (!ctx->if_nesting_level) {
+ ap_ssi_get_tag_and_value(ctx, &tag, &tag_val, 1);
+ if ((tag != NULL) || (tag_val != NULL)) {
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
+ "endif directive does not take tags in %s", r->filename);
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
+ return -1;
+ }
+ else {
+ LOG_COND_STATUS(ctx, tmp_buck, head_ptr, *inserted_head, "endif");
+ ctx->flags |= (FLAG_PRINTING | FLAG_COND_TRUE);
+ return 0;
+ }
}
else {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "endif directive does not take tags in %s",
- r->filename);
- ap_rputs(error, r);
- return -1;
+ ctx->if_nesting_level--;
+ return 0;
}
}
-static int handle_set(ap_file_t *in, request_rec *r, const char *error)
+static int handle_set(include_ctx_t *ctx, apr_bucket_brigade **bb, request_rec *r,
+ ap_filter_t *f, apr_bucket *head_ptr, apr_bucket **inserted_head)
{
- char tag[MAX_STRING_LEN];
+ char *tag = NULL;
+ char *tag_val = NULL;
+ char *var = NULL;
+ apr_bucket *tmp_buck;
char parsed_string[MAX_STRING_LEN];
- char *tag_val;
- char *var;
- var = (char *) NULL;
- while (1) {
- if (!(tag_val = get_tag(r->pool, in, tag, sizeof(tag), 1))) {
- return 1;
- }
- else if (!strcmp(tag, "done")) {
- return 0;
- }
- else if (!strcmp(tag, "var")) {
- var = tag_val;
- }
- else if (!strcmp(tag, "value")) {
- if (var == (char *) NULL) {
+ *inserted_head = NULL;
+ if (ctx->flags & FLAG_PRINTING) {
+ while (1) {
+ ap_ssi_get_tag_and_value(ctx, &tag, &tag_val, 1);
+ if ((tag == NULL) && (tag_val == NULL)) {
+ return 0;
+ }
+ else if (tag_val == NULL) {
+ return 1;
+ }
+ else if (!strcmp(tag, "var")) {
+ var = tag_val;
+ }
+ else if (!strcmp(tag, "value")) {
+ if (var == (char *) NULL) {
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
+ "variable must precede value in set directive in %s",
+ r->filename);
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
+ return (-1);
+ }
+ ap_ssi_parse_string(r, tag_val, parsed_string, sizeof(parsed_string), 0);
+ apr_table_setn(r->subprocess_env, apr_pstrdup(r->pool, var),
+ apr_pstrdup(r->pool, parsed_string));
+ }
+ else {
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "variable must precede value in set directive in %s",
- r->filename);
- ap_rputs(error, r);
+ "Invalid tag for set directive in %s", r->filename);
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
return -1;
}
- parse_string(r, tag_val, parsed_string, sizeof(parsed_string), 0);
- ap_table_setn(r->subprocess_env, var, ap_pstrdup(r->pool, parsed_string));
- }
- else {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "Invalid tag for set directive in %s", r->filename);
- ap_rputs(error, r);
- return -1;
}
}
+ return 0;
}
-static int handle_printenv(ap_file_t *in, request_rec *r, const char *error)
+static int handle_printenv(include_ctx_t *ctx, apr_bucket_brigade **bb, request_rec *r,
+ ap_filter_t *f, apr_bucket *head_ptr, apr_bucket **inserted_head)
{
- char tag[MAX_STRING_LEN];
- char *tag_val;
- ap_array_header_t *arr = ap_table_elts(r->subprocess_env);
- ap_table_entry_t *elts = (ap_table_entry_t *)arr->elts;
- int i;
-
- if (!(tag_val = get_tag(r->pool, in, tag, sizeof(tag), 1))) {
- return 1;
- }
- else if (!strcmp(tag, "done")) {
- for (i = 0; i < arr->nelts; ++i) {
- ap_rvputs(r, ap_escape_html(r->pool, elts[i].key), "=",
- ap_escape_html(r->pool, elts[i].val), "\n", NULL);
+ char *tag = NULL;
+ char *tag_val = NULL;
+ apr_bucket *tmp_buck;
+
+ if (ctx->flags & FLAG_PRINTING) {
+ ap_ssi_get_tag_and_value(ctx, &tag, &tag_val, 1);
+ if ((tag == NULL) && (tag_val == NULL)) {
+ apr_array_header_t *arr = apr_table_elts(r->subprocess_env);
+ apr_table_entry_t *elts = (apr_table_entry_t *)arr->elts;
+ int i;
+ char *key_text, *val_text;
+ apr_size_t k_len, v_len, t_wrt;
+
+ *inserted_head = NULL;
+ for (i = 0; i < arr->nelts; ++i) {
+ key_text = ap_escape_html(r->pool, elts[i].key);
+ val_text = ap_escape_html(r->pool, elts[i].val);
+ k_len = strlen(key_text);
+ v_len = strlen(val_text);
+
+ /* Key_text */
+ tmp_buck = apr_bucket_heap_create(key_text, k_len, 1, &t_wrt);
+ APR_BUCKET_INSERT_BEFORE(head_ptr, tmp_buck);
+ if (*inserted_head == NULL) {
+ *inserted_head = tmp_buck;
+ }
+ /* = */
+ tmp_buck = apr_bucket_immortal_create("=", 1);
+ APR_BUCKET_INSERT_BEFORE(head_ptr, tmp_buck);
+ /* Value_text */
+ tmp_buck = apr_bucket_heap_create(val_text, v_len, 1, &t_wrt);
+ APR_BUCKET_INSERT_BEFORE(head_ptr, tmp_buck);
+ /* newline... */
+ tmp_buck = apr_bucket_immortal_create("\n", 1);
+ APR_BUCKET_INSERT_BEFORE(head_ptr, tmp_buck);
+ }
+ return 0;
+ }
+ else {
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
+ "printenv directive does not take tags in %s", r->filename);
+ CREATE_ERROR_BUCKET(ctx, tmp_buck, head_ptr, *inserted_head);
+ return -1;
}
- return 0;
- }
- else {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "printenv directive does not take tags in %s",
- r->filename);
- ap_rputs(error, r);
- return -1;
}
+ return 0;
}
-
-
/* -------------------------- The main function --------------------------- */
-/* This is a stub which parses a file descriptor. */
-
-static void send_parsed_content(ap_file_t *f, request_rec *r)
+static apr_status_t send_parsed_content(apr_bucket_brigade **bb,
+ request_rec *r, ap_filter_t *f)
{
- char directive[MAX_STRING_LEN], error[MAX_STRING_LEN];
- char timefmt[MAX_STRING_LEN];
- int noexec = ap_allow_options(r) & OPT_INCNOEXEC;
- int ret, sizefmt;
- int if_nesting;
- int printing;
- int conditional_status;
-
- ap_cpystrn(error, DEFAULT_ERROR_MSG, sizeof(error));
- ap_cpystrn(timefmt, DEFAULT_TIME_FORMAT, sizeof(timefmt));
- sizefmt = SIZEFMT_KMG;
-
-/* Turn printing on */
- printing = conditional_status = 1;
- if_nesting = 0;
-
- ap_chdir_file(r->filename);
+ include_ctx_t *ctx = f->ctx;
+ apr_bucket *dptr = APR_BRIGADE_FIRST(*bb);
+ apr_bucket *tmp_dptr;
+ apr_bucket_brigade *tag_and_after;
+ int ret;
+ apr_status_t rv;
+
if (r->args) { /* add QUERY stuff to env cause it ain't yet */
- char *arg_copy = ap_pstrdup(r->pool, r->args);
+ char *arg_copy = apr_pstrdup(r->pool, r->args);
- ap_table_setn(r->subprocess_env, "QUERY_STRING", r->args);
+ apr_table_setn(r->subprocess_env, "QUERY_STRING", r->args);
ap_unescape_url(arg_copy);
- ap_table_setn(r->subprocess_env, "QUERY_STRING_UNESCAPED",
+ apr_table_setn(r->subprocess_env, "QUERY_STRING_UNESCAPED",
ap_escape_shell_cmd(r->pool, arg_copy));
}
- while (1) {
- if (!find_string(f, STARTING_SEQUENCE, r, printing)) {
- if (get_directive(f, directive, sizeof(directive), r->pool)) {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "mod_include: error reading directive in %s",
- r->filename);
- ap_rputs(error, r);
- return;
+ while (dptr != APR_BRIGADE_SENTINEL(*bb)) {
+ /* State to check for the STARTING_SEQUENCE. */
+ if ((ctx->state == PRE_HEAD) || (ctx->state == PARSE_HEAD)) {
+ int do_cleanup = 0;
+ apr_size_t cleanup_bytes = ctx->parse_pos;
+
+ tmp_dptr = find_start_sequence(dptr, ctx, *bb, &do_cleanup);
+
+ /* The few bytes stored in the ssi_tag_brigade turned out not to
+ * be a tag after all. This can only happen if the starting
+ * tag actually spans brigades. This should be very rare.
+ */
+ if ((do_cleanup) && (!APR_BRIGADE_EMPTY(ctx->ssi_tag_brigade))) {
+ apr_bucket *tmp_bkt;
+
+ tmp_bkt = apr_bucket_immortal_create(STARTING_SEQUENCE,
+ cleanup_bytes);
+ APR_BRIGADE_INSERT_HEAD(*bb, tmp_bkt);
+ apr_brigade_cleanup(ctx->ssi_tag_brigade);
}
- if (!strcmp(directive, "if")) {
- if (!printing) {
- if_nesting++;
- }
- else {
- ret = handle_if(f, r, error, &conditional_status,
- &printing);
- if_nesting = 0;
+
+ /* If I am inside a conditional (if, elif, else) that is false
+ * then I need to throw away anything contained in it.
+ */
+ if ((!(ctx->flags & FLAG_PRINTING)) && (tmp_dptr != NULL) &&
+ (dptr != APR_BRIGADE_SENTINEL(*bb))) {
+ while ((dptr != APR_BRIGADE_SENTINEL(*bb)) &&
+ (dptr != tmp_dptr)) {
+ apr_bucket *free_bucket = dptr;
+
+ dptr = APR_BUCKET_NEXT (dptr);
+ apr_bucket_delete(free_bucket);
}
- continue;
}
- else if (!strcmp(directive, "else")) {
- if (!if_nesting) {
- ret = handle_else(f, r, error, &conditional_status,
- &printing);
+
+ /* Adjust the current bucket position based on what was found... */
+ if ((tmp_dptr != NULL) && (ctx->state == PARSE_DIRECTIVE)) {
+ if (ctx->tag_start_bucket != NULL) {
+ dptr = ctx->tag_start_bucket;
}
- continue;
- }
- else if (!strcmp(directive, "elif")) {
- if (!if_nesting) {
- ret = handle_elif(f, r, error, &conditional_status,
- &printing);
+ else {
+ dptr = APR_BRIGADE_SENTINEL(*bb);
}
- continue;
}
- else if (!strcmp(directive, "endif")) {
- if (!if_nesting) {
- ret = handle_endif(f, r, error, &conditional_status,
- &printing);
+ else if ((tmp_dptr != NULL) && (ctx->bytes_parsed >= BYTE_COUNT_THRESHOLD)) {
+ /* Send the large chunk of pre-tag bytes... */
+ tag_and_after = apr_brigade_split(*bb, tmp_dptr);
+ rv = ap_pass_brigade(f->next, *bb);
+ if (rv != APR_SUCCESS) {
+ return rv;
}
- else {
- if_nesting--;
+ *bb = tag_and_after;
+ dptr = tmp_dptr;
+ ctx->bytes_parsed = 0;
+ }
+ else if (tmp_dptr == NULL) { /* There was no possible SSI tag in the */
+ dptr = APR_BRIGADE_SENTINEL(*bb); /* remainder of this brigade... */
+ }
+ }
+
+ /* State to check for the ENDING_SEQUENCE. */
+ if (((ctx->state == PARSE_DIRECTIVE) ||
+ (ctx->state == PARSE_TAG) ||
+ (ctx->state == PARSE_TAIL)) &&
+ (dptr != APR_BRIGADE_SENTINEL(*bb))) {
+ tmp_dptr = find_end_sequence(dptr, ctx, *bb);
+
+ if (tmp_dptr != NULL) {
+ dptr = tmp_dptr; /* Adjust bucket pos... */
+
+ /* If some of the tag has already been set aside then set
+ * aside remainder of tag. Now the full tag is in ssi_tag_brigade.
+ * If none has yet been set aside, then leave it all where it is.
+ * In any event after this the entire set of tag buckets will be
+ * in one place or another.
+ */
+ if (!APR_BRIGADE_EMPTY(ctx->ssi_tag_brigade)) {
+ tag_and_after = apr_brigade_split(*bb, dptr);
+ APR_BRIGADE_CONCAT(ctx->ssi_tag_brigade, *bb);
+ *bb = tag_and_after;
+ }
+ else if (ctx->bytes_parsed >= BYTE_COUNT_THRESHOLD) {
+ SPLIT_AND_PASS_PRETAG_BUCKETS(*bb, ctx, f->next);
}
- continue;
}
- if (!printing) {
- continue;
+ else {
+ dptr = APR_BRIGADE_SENTINEL(*bb); /* remainder of this brigade... */
}
- if (!strcmp(directive, "exec")) {
- if (noexec) {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "exec used but not allowed in %s",
- r->filename);
- if (printing) {
- ap_rputs(error, r);
- }
- ret = find_string(f, ENDING_SEQUENCE, r, 0);
+ }
+
+ /* State to processed the directive... */
+ if (ctx->state == PARSED) {
+ apr_bucket *content_head = NULL, *tmp_bkt;
+ apr_size_t tmp_i;
+ char tmp_buf[TMP_BUF_SIZE];
+ int (*handle_func)(include_ctx_t *, apr_bucket_brigade **, request_rec *,
+ ap_filter_t *, apr_bucket *, apr_bucket **);
+
+ /* By now the full tag (all buckets) should either be set aside into
+ * ssi_tag_brigade or contained within the current bb. All tag
+ * processing from here on can assume that.
+ */
+
+ /* At this point, everything between ctx->head_start_bucket and
+ * ctx->tail_start_bucket is an SSI
+ * directive, we just have to deal with it now.
+ */
+ if (get_combined_directive(ctx, r, *bb, tmp_buf,
+ TMP_BUF_SIZE) != APR_SUCCESS) {
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
+ "mod_include: error copying directive in %s",
+ r->filename);
+ CREATE_ERROR_BUCKET(ctx, tmp_bkt, dptr, content_head);
+
+ /* DO CLEANUP HERE!!!!! */
+ tmp_dptr = ctx->head_start_bucket;
+ if (!APR_BRIGADE_EMPTY(ctx->ssi_tag_brigade)) {
+ apr_brigade_cleanup(ctx->ssi_tag_brigade);
}
else {
- ret = handle_exec(f, r, error);
+ do {
+ tmp_bkt = tmp_dptr;
+ tmp_dptr = APR_BUCKET_NEXT (tmp_dptr);
+ apr_bucket_delete(tmp_bkt);
+ } while ((tmp_dptr != dptr) &&
+ (tmp_dptr != APR_BRIGADE_SENTINEL(*bb)));
}
+
+ return APR_SUCCESS;
}
- else if (!strcmp(directive, "config")) {
- ret = handle_config(f, r, error, timefmt, &sizefmt);
- }
- else if (!strcmp(directive, "set")) {
- ret = handle_set(f, r, error);
+
+ /* Can't destroy the tag buckets until I'm done processing
+ * because the combined_tag might just be pointing to
+ * the contents of a single bucket!
+ */
+
+ /* Retrieve the handler function to be called for this directive from the
+ * functions registered in the hash table.
+ * Need to lower case the directive for proper matching. Also need to have
+ * it NULL terminated (and include the NULL in the length) for proper
+ * hash matching.
+ */
+ for (tmp_i = 0; tmp_i < ctx->directive_length; tmp_i++) {
+ ctx->combined_tag[tmp_i] = apr_tolower(ctx->combined_tag[tmp_i]);
}
- else if (!strcmp(directive, "include")) {
- ret = handle_include(f, r, error, noexec);
+ ctx->combined_tag[ctx->directive_length] = '\0';
+ ctx->curr_tag_pos = &ctx->combined_tag[ctx->directive_length+1];
+
+ handle_func =
+ (include_handler_fn_t *)apr_hash_get(include_hash,
+ ctx->combined_tag,
+ ctx->directive_length+1);
+ if (handle_func != NULL) {
+ ret = (*handle_func)(ctx, bb, r, f, dptr, &content_head);
}
- else if (!strcmp(directive, "echo")) {
- ret = handle_echo(f, r, error);
+ else {
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
+ "unknown directive \"%s\" in parsed doc %s",
+ ctx->combined_tag, r->filename);
+ CREATE_ERROR_BUCKET(ctx, tmp_bkt, dptr, content_head);
+ }
+
+ /* This chunk of code starts at the first bucket in the chain
+ * of tag buckets (assuming that by this point the bucket for
+ * the STARTING_SEQUENCE has been split) and loops through to
+ * the end of the tag buckets freeing them all.
+ *
+ * Remember that some part of this may have been set aside
+ * into the ssi_tag_brigade and the remainder (possibly as
+ * little as one byte) will be in the current brigade.
+ *
+ * The value of dptr should have been set during the
+ * PARSE_TAIL state to the first bucket after the
+ * ENDING_SEQUENCE.
+ *
+ * The value of content_head may have been set during processing
+ * of the directive. If so, the content was inserted in front
+ * of the dptr bucket. The inserted buckets should not be thrown
+ * away here, but they should also not be parsed later.
+ */
+ if (content_head == NULL) {
+ content_head = dptr;
+ }
+ tmp_dptr = ctx->head_start_bucket;
+ if (!APR_BRIGADE_EMPTY(ctx->ssi_tag_brigade)) {
+ apr_brigade_cleanup(ctx->ssi_tag_brigade);
}
- else if (!strcmp(directive, "fsize")) {
- ret = handle_fsize(f, r, error, sizefmt);
+ else {
+ do {
+ tmp_bkt = tmp_dptr;
+ tmp_dptr = APR_BUCKET_NEXT (tmp_dptr);
+ apr_bucket_delete(tmp_bkt);
+ } while ((tmp_dptr != content_head) &&
+ (tmp_dptr != APR_BRIGADE_SENTINEL(*bb)));
}
- else if (!strcmp(directive, "flastmod")) {
- ret = handle_flastmod(f, r, error, timefmt);
+ if (ctx->combined_tag == tmp_buf) {
+ memset (ctx->combined_tag, '\0', ctx->tag_length);
+ ctx->combined_tag = NULL;
}
- else if (!strcmp(directive, "printenv")) {
- ret = handle_printenv(f, r, error);
+
+ /* Don't reset the flags or the nesting level!!! */
+ ctx->parse_pos = 0;
+ ctx->head_start_bucket = NULL;
+ ctx->head_start_index = 0;
+ ctx->tag_start_bucket = NULL;
+ ctx->tag_start_index = 0;
+ ctx->tail_start_bucket = NULL;
+ ctx->tail_start_index = 0;
+ ctx->curr_tag_pos = NULL;
+ ctx->tag_length = 0;
+ ctx->directive_length = 0;
+
+ if (!APR_BRIGADE_EMPTY(ctx->ssi_tag_brigade)) {
+ apr_brigade_cleanup(ctx->ssi_tag_brigade);
}
-#ifdef USE_PERL_SSI
- else if (!strcmp(directive, "perl")) {
- ret = handle_perl(f, r, error);
+
+ ctx->state = PRE_HEAD;
+ }
+ }
+
+ /* If I am in the middle of parsing an SSI tag then I need to set aside
+ * the pertinent trailing buckets and pass on the initial part of the
+ * brigade. The pertinent parts of the next brigades will be added to
+ * these set aside buckets to form the whole tag and will be processed
+ * once the whole tag has been found.
+ */
+ if (ctx->state == PRE_HEAD) {
+ /* Inside a false conditional (if, elif, else), so toss it all... */
+ if ((dptr != APR_BRIGADE_SENTINEL(*bb)) &&
+ (!(ctx->flags & FLAG_PRINTING))) {
+ apr_bucket *free_bucket;
+ do {
+ free_bucket = dptr;
+ dptr = APR_BUCKET_NEXT (dptr);
+ apr_bucket_delete(free_bucket);
+ } while (dptr != APR_BRIGADE_SENTINEL(*bb));
+ }
+ else { /* Otherwise pass it along... */
+ rv = ap_pass_brigade(f->next, *bb); /* No SSI tags in this brigade... */
+ if (rv != APR_SUCCESS) {
+ return rv;
}
-#endif
- else {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "unknown directive \"%s\" "
- "in parsed doc %s",
- directive, r->filename);
- if (printing) {
- ap_rputs(error, r);
- }
- ret = find_string(f, ENDING_SEQUENCE, r, 0);
+ ctx->bytes_parsed = 0;
+ }
+ }
+ else if (ctx->state == PARSED) { /* Invalid internal condition... */
+ apr_bucket *content_head = NULL, *tmp_bkt;
+ ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
+ "Invalid mod_include state during file %s", r->filename);
+ CREATE_ERROR_BUCKET(ctx, tmp_bkt, APR_BRIGADE_FIRST(*bb), content_head);
+ }
+ else { /* Entire brigade is middle chunk of SSI tag... */
+ if (!APR_BRIGADE_EMPTY(ctx->ssi_tag_brigade)) {
+ APR_BRIGADE_CONCAT(ctx->ssi_tag_brigade, *bb);
+ }
+ else { /* End of brigade contains part of SSI tag... */
+ if (ctx->head_start_index > 0) {
+ apr_bucket_split(ctx->head_start_bucket, ctx->head_start_index);
+ ctx->head_start_bucket = APR_BUCKET_NEXT(ctx->head_start_bucket);
+ ctx->head_start_index = 0;
}
- if (ret) {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "premature EOF in parsed file %s",
- r->filename);
- return;
+ /* Set aside tag, pass pre-tag... */
+ tag_and_after = apr_brigade_split(*bb, ctx->head_start_bucket);
+ ap_save_brigade(f, &ctx->ssi_tag_brigade, &tag_and_after, r->pool);
+ rv = ap_pass_brigade(f->next, *bb);
+ if (rv != APR_SUCCESS) {
+ return rv;
}
- }
- else {
- return;
+ ctx->bytes_parsed = 0;
}
}
+ return APR_SUCCESS;
}
/*****************************************************************
* option only changes the default.
*/
-module includes_module;
+module include_module;
enum xbithack {
xbithack_off, xbithack_on, xbithack_full
};
+typedef struct {
+ char *default_error_msg;
+ char *default_time_fmt;
+ enum xbithack *xbithack;
+} include_dir_config;
+
#ifdef XBITHACK
#define DEFAULT_XBITHACK xbithack_full
#else
#define DEFAULT_XBITHACK xbithack_off
#endif
-static void *create_includes_dir_config(ap_pool_t *p, char *dummy)
+static void *create_includes_dir_config(apr_pool_t *p, char *dummy)
{
- enum xbithack *result = (enum xbithack *) ap_palloc(p, sizeof(enum xbithack));
- *result = DEFAULT_XBITHACK;
+ include_dir_config *result =
+ (include_dir_config *)apr_palloc(p, sizeof(include_dir_config));
+ enum xbithack *xbh = (enum xbithack *) apr_palloc(p, sizeof(enum xbithack));
+ *xbh = DEFAULT_XBITHACK;
+ result->default_error_msg = DEFAULT_ERROR_MSG;
+ result->default_time_fmt = DEFAULT_TIME_FORMAT;
+ result->xbithack = xbh;
return result;
}
static const char *set_xbithack(cmd_parms *cmd, void *xbp, const char *arg)
{
- enum xbithack *state = (enum xbithack *) xbp;
+ include_dir_config *conf = (include_dir_config *)xbp;
if (!strcasecmp(arg, "off")) {
- *state = xbithack_off;
+ *conf->xbithack = xbithack_off;
}
else if (!strcasecmp(arg, "on")) {
- *state = xbithack_on;
+ *conf->xbithack = xbithack_on;
}
else if (!strcasecmp(arg, "full")) {
- *state = xbithack_full;
+ *conf->xbithack = xbithack_full;
}
else {
return "XBitHack must be set to Off, On, or Full";
return NULL;
}
-static int send_parsed_file(request_rec *r)
+static apr_status_t includes_filter(ap_filter_t *f, apr_bucket_brigade *b)
{
- ap_file_t *f = NULL;
- enum xbithack *state =
- (enum xbithack *) ap_get_module_config(r->per_dir_config, &includes_module);
- int errstatus;
+ request_rec *r = f->r;
+ include_ctx_t *ctx = f->ctx;
request_rec *parent;
+ apr_status_t rv;
+ include_dir_config *conf =
+ (include_dir_config *)ap_get_module_config(r->per_dir_config,
+ &include_module);
if (!(ap_allow_options(r) & OPT_INCLUDES)) {
- return DECLINED;
+ return ap_pass_brigade(f->next, b);
}
- r->allowed |= (1 << M_GET);
+ r->allowed |= (AP_METHOD_BIT << M_GET);
if (r->method_number != M_GET) {
- return DECLINED;
- }
- if (r->finfo.protection == 0) {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, r,
- "File does not exist: %s",
- (r->path_info
- ? ap_pstrcat(r->pool, r->filename, r->path_info, NULL)
- : r->filename));
- return HTTP_NOT_FOUND;
+ return ap_pass_brigade(f->next, b);
}
- errstatus = ap_open(&f, r->filename, APR_READ|APR_BUFFERED, 0, r->pool);
+ if (!f->ctx) {
+ f->ctx = ctx = apr_pcalloc(f->c->pool, sizeof(*ctx));
+ if (ctx != NULL) {
+ ctx->state = PRE_HEAD;
+ ctx->flags = (FLAG_PRINTING | FLAG_COND_TRUE);
+ if (ap_allow_options(r) & OPT_INCNOEXEC) {
+ ctx->flags |= FLAG_NO_EXEC;
+ }
+ ctx->ssi_tag_brigade = apr_brigade_create(f->c->pool);
- if (errstatus != APR_SUCCESS) {
- ap_log_rerror(APLOG_MARK, APLOG_ERR, errstatus, r,
- "file permissions deny server access: %s", r->filename);
- return HTTP_FORBIDDEN;
+ apr_cpystrn(ctx->error_str, conf->default_error_msg, sizeof(ctx->error_str));
+ apr_cpystrn(ctx->time_str, conf->default_time_fmt, sizeof(ctx->time_str));
+ ctx->error_length = strlen(ctx->error_str);
+ }
+ else {
+ return ap_pass_brigade(f->next, b);
+ }
+ }
+ else {
+ ctx->bytes_parsed = 0;
}
- if ((*state == xbithack_full)
-#if !defined(OS2) && !defined(WIN32)
- /* OS/2 dosen't support Groups. */
- && (r->finfo.protection & APR_GEXECUTE)
-#endif
- ) {
+ /* Assure the platform supports Group protections */
+ if ((*conf->xbithack == xbithack_full)
+ && (r->finfo.valid & APR_FINFO_GPROT)
+ && (r->finfo.protection & APR_GEXECUTE)) {
ap_update_mtime(r, r->finfo.mtime);
ap_set_last_modified(r);
}
- if ((errstatus = ap_meets_conditions(r)) != OK) {
- return errstatus;
- }
-
- ap_send_http_header(r);
- if (r->header_only) {
- ap_close(f);
- return OK;
- }
-
- if ((parent = ap_get_module_config(r->request_config, &includes_module))) {
+ if ((parent = ap_get_module_config(r->request_config, &include_module))) {
/* Kludge --- for nested includes, we want to keep the subprocess
* environment of the base document (for compatibility); that means
* torquing our own last_modified date as well so that the
* We also insist that the memory for this subrequest not be
* destroyed, that's dealt with in handle_include().
*/
- r->subprocess_env = parent->subprocess_env;
- r->finfo.mtime = parent->finfo.mtime;
+ r->subprocess_env = r->main->subprocess_env;
+ apr_pool_join(r->main->pool, r->pool);
+ r->finfo.mtime = r->main->finfo.mtime;
}
else {
/* we're not a nested include, so we create an initial
* environment */
ap_add_common_vars(r);
ap_add_cgi_vars(r);
- add_include_vars(r, DEFAULT_TIME_FORMAT);
+ add_include_vars(r, conf->default_time_fmt);
}
/* XXX: this is bogus, at some point we're going to do a subrequest,
* and when we do it we're going to be subjecting code that doesn't
* expect to be signal-ready to SIGALRM. There is no clean way to
* fix this, except to put alarm support into BUFF. -djg
*/
-#ifdef CHARSET_EBCDIC
- /* XXX:@@@ Is the generated/included output ALWAYS in text/ebcdic format? */
- ap_bsetopt(r->connection->client, BO_WXLATE, &ap_hdrs_to_ascii);
-#endif
- send_parsed_content(f, r);
+
+ /* Always unset the content-length. There is no way to know if
+ * the content will be modified at some point by send_parsed_content.
+ * It is very possible for us to not find any content in the first
+ * 9k of the file, but still have to modify the content of the file.
+ * If we are going to pass the file through send_parsed_content, then
+ * the content-length should just be unset.
+ */
+ apr_table_unset(f->r->headers_out, "Content-Length");
+
+ rv = send_parsed_content(&b, r, f);
if (parent) {
/* signify that the sub request should not be killed */
- ap_set_module_config(r->request_config, &includes_module,
+ ap_set_module_config(r->request_config, &include_module,
NESTED_INCLUDE_MAGIC);
}
- return OK;
+ return rv;
+}
+
+static void ap_register_include_handler(char *tag, include_handler_fn_t *func)
+{
+ apr_hash_set(include_hash, tag, strlen(tag) + 1, (const void *)func);
+}
+
+static void include_post_config(apr_pool_t *p, apr_pool_t *plog,
+ apr_pool_t *ptemp, server_rec *s)
+{
+ include_hash = apr_hash_make(p);
+
+ ssi_pfn_register = APR_RETRIEVE_OPTIONAL_FN(ap_register_include_handler);
+
+ if(ssi_pfn_register) {
+ ssi_pfn_register("if", handle_if);
+ ssi_pfn_register("set", handle_set);
+ ssi_pfn_register("else", handle_else);
+ ssi_pfn_register("elif", handle_elif);
+ ssi_pfn_register("echo", handle_echo);
+ ssi_pfn_register("endif", handle_endif);
+ ssi_pfn_register("fsize", handle_fsize);
+ ssi_pfn_register("config", handle_config);
+ ssi_pfn_register("include", handle_include);
+ ssi_pfn_register("flastmod", handle_flastmod);
+ ssi_pfn_register("printenv", handle_printenv);
+ }
+}
+
+static const char *set_default_error_msg(cmd_parms *cmd, void *mconfig, const char *msg)
+{
+ include_dir_config *conf = (include_dir_config *)mconfig;
+ conf->default_error_msg = apr_pstrdup(cmd->pool, msg);
+ return NULL;
}
-static int send_shtml_file(request_rec *r)
+static const char *set_default_time_fmt(cmd_parms *cmd, void *mconfig, const char *fmt)
{
- r->content_type = "text/html";
- return send_parsed_file(r);
+ include_dir_config *conf = (include_dir_config *)mconfig;
+ conf->default_time_fmt = apr_pstrdup(cmd->pool, fmt);
+ return NULL;
}
+/*
+ * Module definition and configuration data structs...
+ */
+static const command_rec includes_cmds[] =
+{
+ AP_INIT_TAKE1("XBitHack", set_xbithack, NULL, OR_OPTIONS,
+ "Off, On, or Full"),
+ AP_INIT_TAKE1("SSIErrorMsg", set_default_error_msg, NULL, OR_ALL,
+ "a string"),
+ AP_INIT_TAKE1("SSITimeFormat", set_default_time_fmt, NULL, OR_ALL,
+ "a strftime(3) formatted string"),
+ {NULL}
+};
+
static int xbithack_handler(request_rec *r)
{
-#if defined(OS2) || defined(WIN32)
+#if defined(OS2) || defined(WIN32) || defined(NETWARE)
/* OS/2 dosen't currently support the xbithack. This is being worked on. */
return DECLINED;
#else
enum xbithack *state;
-
+
+ if (ap_strcmp_match(r->handler, "text/html")) {
+ return DECLINED;
+ }
if (!(r->finfo.protection & APR_UEXECUTE)) {
return DECLINED;
}
-
+
state = (enum xbithack *) ap_get_module_config(r->per_dir_config,
- &includes_module);
-
+ &include_module);
+
if (*state == xbithack_off) {
return DECLINED;
}
- return send_parsed_file(r);
+ /* We always return declined, because the default handler will actually
+ * serve the file. All we have to do is add the filter.
+ */
+ ap_add_output_filter("INCLUDES", NULL, r, r->connection);
+ return DECLINED;
#endif
}
-static const command_rec includes_cmds[] =
-{
- AP_INIT_TAKE1("XBitHack", set_xbithack, NULL, OR_OPTIONS,
- "Off, On, or Full"),
- {NULL}
-};
-
-static const handler_rec includes_handlers[] =
+static void register_hooks(apr_pool_t *p)
{
- {INCLUDES_MAGIC_TYPE, send_shtml_file},
- {INCLUDES_MAGIC_TYPE3, send_shtml_file},
- {"server-parsed", send_parsed_file},
- {"text/html", xbithack_handler},
- {NULL}
-};
+ APR_REGISTER_OPTIONAL_FN(ap_ssi_get_tag_and_value);
+ APR_REGISTER_OPTIONAL_FN(ap_ssi_parse_string);
+ APR_REGISTER_OPTIONAL_FN(ap_register_include_handler);
+ ap_hook_post_config(include_post_config, NULL, NULL, APR_HOOK_REALLY_FIRST);
+ ap_hook_handler(xbithack_handler, NULL, NULL, APR_HOOK_MIDDLE);
+ ap_register_output_filter("INCLUDES", includes_filter, AP_FTYPE_CONTENT);
+}
-module MODULE_VAR_EXPORT includes_module =
+module AP_MODULE_DECLARE_DATA include_module =
{
STANDARD20_MODULE_STUFF,
create_includes_dir_config, /* dir config creater */
NULL, /* dir merger --- default is to override */
NULL, /* server config */
NULL, /* merge server config */
- includes_cmds, /* command ap_table_t */
- includes_handlers, /* handlers */
- NULL /* register hooks */
+ includes_cmds, /* command apr_table_t */
+ register_hooks /* register hooks */
};
projects / apache / blobdiff