From aeed501f9c28ac3c3b21b3670cbac395f057097f Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sun, 11 Mar 2007 18:17:08 +0000 Subject: [PATCH] replace libcgi with some code extracted from haserl - libcgi is too inflexible and breaks rrdtool SVN-Revision: 6554 --- package/busybox/Makefile | 8 +- package/busybox/patches/920-awx.patch | 549 ++++++++++++++++++++++++-- package/libcgi/Makefile | 31 -- 3 files changed, 529 insertions(+), 59 deletions(-) delete mode 100644 package/libcgi/Makefile diff --git a/package/busybox/Makefile b/package/busybox/Makefile index eae037aaaa..cf6ddac6ec 100644 --- a/package/busybox/Makefile +++ b/package/busybox/Makefile @@ -19,7 +19,7 @@ PKG_MD5SUM:=5728403bce309cdabcffa414e2e64052 PKG_CAT:=bzcat PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION) -PKG_BUILD_DEPENDS:=libcgi +PKG_BUILD_DEPENDS:=gcgi include $(INCLUDE_DIR)/package.mk @@ -62,10 +62,9 @@ define Build/Compile $(MAKE) -C $(PKG_BUILD_DIR) \ CC="$(TARGET_CC)" \ CROSS_COMPILE="$(TARGET_CROSS)" \ - EXTRA_CFLAGS="$(TARGET_CFLAGS) -I$(STAGING_DIR)/usr/include" \ + EXTRA_CFLAGS="$(TARGET_CFLAGS)" \ ARCH="$(ARCH)" \ IPKG_ARCH="$(ARCH)" \ - EXTRA_LIBS="$(STAGING_DIR)/usr/lib/libcgi.a" \ all endef @@ -73,11 +72,10 @@ define Package/busybox/install $(MAKE) -C $(PKG_BUILD_DIR) \ CC="$(TARGET_CC)" \ CROSS_COMPILE="$(TARGET_CROSS)" \ - EXTRA_CFLAGS="$(TARGET_CFLAGS) -I$(STAGING_DIR)/usr/include" \ + EXTRA_CFLAGS="$(TARGET_CFLAGS)" \ ARCH="$(ARCH)" \ IPKG_ARCH="$(ARCH)" \ CONFIG_PREFIX="$(1)" \ - EXTRA_LIBS="$(STAGING_DIR)/usr/lib/libcgi.a" \ install $(INSTALL_DIR) $(1)/etc/init.d for tmp in $(init-y); do \ diff --git a/package/busybox/patches/920-awx.patch b/package/busybox/patches/920-awx.patch index c9c653bb69..4c8331722c 100644 --- a/package/busybox/patches/920-awx.patch +++ b/package/busybox/patches/920-awx.patch @@ -97,8 +97,8 @@ diff -purN bb.old/editors/awk.c bb.dev/editors/awk.c switch (c) { diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c --- bb.old/editors/awx.c 1970-01-01 01:00:00.000000000 +0100 -+++ bb.dev/editors/awx.c 2007-03-11 06:25:48.552095336 +0100 -@@ -0,0 +1,521 @@ ++++ bb.dev/editors/awx.c 2007-03-11 19:03:27.417297384 +0100 +@@ -0,0 +1,553 @@ +/* + * awk web extension + * @@ -121,6 +121,7 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c +#undef fputs + +static xhash *lstr = NULL; ++static xhash *formvar = NULL; +static int lang_inuse = 0; + +/* look up a translation symbol from the hash */ @@ -507,14 +508,42 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c + f->nargs = nargs; +} + ++static void putvar(vartype type, char *name, char *value) ++{ ++ if (type != FORM_VAR) ++ return; ++ ++ setvar_u(findvar(formvar, name), value); ++} ++ ++static char *cgi_getvar(char *name) ++{ ++ if (!formvar) { ++ formvar = hash_init(); ++ cgi_init(putvar); ++ } ++ ++ if (!formvar || !name) ++ return NULL; ++ ++ return getvar_s(findvar(formvar, name)); ++} ++ +/* function call for accessing cgi form variables */ +static var *getvar(var *res, var *args, int nargs) +{ + char *s; ++ char *svar; + + s = getvar_s(args); -+ if (s) -+ setvar_s(res, cgi_param(s) ?: ""); ++ if (!s) ++ return res; ++ ++ svar = cgi_getvar(s); ++ if (!svar) ++ return res; ++ ++ setvar_u(res, svar); + + return res; +} @@ -570,7 +599,6 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c + while (*argv) + setari_u(V[ARGV], ++i, *argv++); + -+ cgi_init(); + if (argc < 2) { + fprintf(stderr, "Invalid argument.\n"); + goto done; @@ -585,17 +613,23 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c + parse_program(s+1); + free(s); + -+ /* set some defaults for ACTION and LAYOUT, which will have special meaning */ -+ cgi_process_form(); + -+ action = newvar("ACTION"); -+ setvar_s(action, cgi_param("action") ?: "default"); ++ /* set some defaults for ACTION and LAYOUT, which will have special meaning */ + layout = newvar("LAYOUT"); + setvar_s(layout, "views/layout.ahtml"); + + /* run the BEGIN {} block */ + evaluate(beginseq.first, &tv); + ++ action = newvar("ACTION"); ++ if (!(strlen(getvar_s(action)) > 0)) { ++ tmp = cgi_getvar("action"); ++ if (!tmp || (strlen(tmp) <= 0)) ++ tmp = strdup("default"); ++ ++ setvar_p(action, tmp); ++ } ++ + /* call the action (precedence: begin block override > cgi parameter > "default") */ + tmp = xmalloc(strlen(getvar_s(action)) + 7); + sprintf(tmp, "handle_%s", getvar_s(action)); @@ -608,8 +642,6 @@ diff -purN bb.old/editors/awx.c bb.dev/editors/awx.c + + ret = 0; +done: -+ cgi_end(); -+ + exit(0); +} + @@ -648,15 +680,486 @@ diff -purN bb.old/include/applets.h bb.dev/include/applets.h USE_BASENAME(APPLET(basename, _BB_DIR_USR_BIN, _BB_SUID_NEVER)) USE_BBCONFIG(APPLET(bbconfig, _BB_DIR_BIN, _BB_SUID_NEVER)) //USE_BBSH(APPLET(bbsh, _BB_DIR_BIN, _BB_SUID_NEVER)) -diff -purN bb.old/Makefile bb.dev/Makefile ---- bb.old/Makefile 2007-03-06 19:38:07.358080000 +0100 -+++ bb.dev/Makefile 2007-03-07 02:28:22.844957960 +0100 -@@ -565,7 +565,7 @@ quiet_cmd_busybox__ ?= LINK $@ - cmd_busybox__ ?= $(srctree)/scripts/trylink $(CC) $(LDFLAGS) \ - -o $@ \ - -Wl,--warn-common -Wl,--sort-common -Wl,--gc-sections \ -- -Wl,--start-group $(busybox-all) -Wl,--end-group -+ -Wl,--start-group $(busybox-all) $(EXTRA_LIBS) -Wl,--end-group - - # Generate System.map - quiet_cmd_sysmap = SYSMAP +diff -purN bb.old/include/cgi.h bb.dev/include/cgi.h +--- bb.old/include/cgi.h 1970-01-01 01:00:00.000000000 +0100 ++++ bb.dev/include/cgi.h 2007-03-11 18:58:10.708444448 +0100 +@@ -0,0 +1,8 @@ ++#ifndef CGI_H ++#define CGI_H ++ ++typedef enum { FORM_VAR, COOKIE_VAR } vartype; ++typedef void (*var_handler) (vartype, char *, char *); ++int cgi_init(var_handler); ++ ++#endif +diff -purN bb.old/libbb/cgi.c bb.dev/libbb/cgi.c +--- bb.old/libbb/cgi.c 1970-01-01 01:00:00.000000000 +0100 ++++ bb.dev/libbb/cgi.c 2007-03-11 19:02:04.691873560 +0100 +@@ -0,0 +1,457 @@ ++/* -------------------------------------------------------------------------- ++ * functions for processing cgi form data ++ * Copyright (C) 2007 by Felix Fietkau ++ * ++ * parts taken from the core of haserl.cgi - a poor-man's php for embedded/lightweight environments ++ * $Id: haserl.c,v 1.13 2004/11/10 17:59:35 nangel Exp $ ++ * Copyright (c) 2003,2004 Nathan Angelacos (nangel@users.sourceforge.net) ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++ * General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ * ++ * ----- ++ * The x2c() and unescape_url() routines were taken from ++ * http://www.jmarshall.com/easy/cgi/getcgi.c.txt ++ * ++ * The comments in that text file state: ++ * ++ *** Written in 1996 by James Marshall, james@jmarshall.com, except ++ *** that the x2c() and unescape_url() routines were lifted directly ++ *** from NCSA's sample program util.c, packaged with their HTTPD. ++ *** For the latest, see http://www.jmarshall.com/easy/cgi/ ++ * ----- ++ * ++ ------------------------------------------------------------------------- */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#ifndef MAX_UPLOAD_KB ++#define MAX_UPLOAD_KB 2048 ++#endif ++#define TEMPDIR "/tmp" ++ ++static int global_upload_size = 0; ++static int ReadMimeEncodedInput(char *qs); ++static var_handler do_putvar = NULL; ++ ++/* ++ * Convert 2 char hex string into char it represents ++ * (from http://www.jmarshall.com/easy/cgi) ++ */ ++static char x2c (char *what) { ++ char digit; ++ ++ digit=(what[0] >= 'A' ? ((what[0] & 0xdf) - 'A')+10 : (what[0] - '0')); ++ digit *=16; ++ digit+=(what[1] >= 'A' ? ((what[1] & 0xdf) - 'A')+10 : (what[1] - '0')); ++ ++ return digit; ++} ++ ++/* ++ * unsescape %xx to the characters they represent ++ */ ++ ++static void unescape_url (char *url) { ++ int i,j; ++ ++ for (i=0, j=0; url[j]; ++i, ++j) { ++ if ((url[i] = url[j]) == '%') { ++ url[i] = x2c(&url[j+1]); ++ j+=2; ++ } ++ } ++ url[i]='\0'; ++} ++ ++static inline void put_var(vartype type, char *var) ++{ ++ char *val; ++ ++ if (!do_putvar) ++ return; ++ ++ val = strchr(var, '='); ++ if (!val) ++ return; ++ ++ *val = 0; ++ val++; ++ do_putvar(type, var, val); ++ ++ return; ++} ++ ++ ++/* CookieVars () ++ * if HTTP_COOKIE is passed as an environment variable, ++ * attempt to parse its values into environment variables ++ */ ++static void CookieVars (void) ++{ ++ char *qs; ++ char *token; ++ ++ if (getenv("HTTP_COOKIE") != NULL) ++ qs=strdup(getenv("HTTP_COOKIE")); ++ else ++ return; ++ ++ /** split on; to extract name value pairs */ ++ token=strtok(qs, ";"); ++ while (token) { ++ // skip leading spaces ++ while ( token[0] == ' ' ) ++ token++; ++ ++ put_var(COOKIE_VAR, token); ++ ++ token = strtok(NULL, ";"); ++ } ++ free (qs); ++} ++ ++/* ++ * Read cgi variables from query string, and put in environment ++ */ ++static int ReadCGIQueryString (void) ++{ ++ char *qs; ++ char *token; ++ int i; ++ ++ if (getenv("QUERY_STRING") != NULL) ++ qs=strdup(getenv("QUERY_STRING")); ++ else ++ return 0; ++ ++ /* change plusses into spaces */ ++ for (i=0; qs[i]; i++ ) { if (qs[i] == '+' ) { qs[i] = ' ';} }; ++ ++ /** split on & and ; to extract name value pairs */ ++ ++ token=strtok(qs, "&;"); ++ while (token) { ++ unescape_url(token); ++ put_var(FORM_VAR, token); ++ token=strtok(NULL, "&;"); ++ } ++ free(qs); ++ ++ return 0; ++} ++ ++ ++/* ++ * Read cgi variables from stdin (for POST queries) ++ * (oh... and if its mime-encoded file upload, we save the ++ * file to /tmp; and return the name of the tmp file ++ * the cgi script is responsible for disposing of the tmp file ++ */ ++ ++static int ReadCGIPOSTValues (void) { ++ char *qs; ++ int content_length; ++ int i; ++ char *token; ++ ++ ++ if (getenv("CONTENT_LENGTH") == NULL) ++ return(-1); ++ else ++ content_length = atoi(getenv("CONTENT_LENGTH")); ++ ++ /* protect ourselves from 20GB file uploads */ ++ if (content_length > MAX_UPLOAD_KB * 1024 ) { ++ /* But we need to finish reading the content */ ++ while ( fread( &i, sizeof(int), 1, stdin) == 1 ); ++ return -1; ++ } ++ ++ if (!(qs=malloc(content_length+1))) ++ return -1; ++ ++ /* set the buffer to null, so that a browser messing with less ++ data than content_length won't buffer underrun us */ ++ memset(qs, 0 ,content_length+1); ++ ++ if ((!fread(qs,content_length,1,stdin) && ++ (content_length > 0) ++ && !feof(stdin))) { ++ ++ free(qs); ++ return -1; ++ } ++ ++ if (getenv("CONTENT_TYPE") && (strncasecmp(getenv("CONTENT_TYPE"), "multipart/form-data", 19) == 0)) { ++ /* This is a mime request, we need to go to the mime handler */ ++ i=ReadMimeEncodedInput(qs); ++ free(qs); ++ ++ return i; ++ } ++ ++ /* change plusses into spaces */ ++ for (i=0; qs[i]; i++ ) { if (qs[i] == '+' ) { qs[i] = ' ';} }; ++ ++ /** split on & and ; to extract name value pairs */ ++ token=strtok(qs, "&;"); ++ while (token) { ++ unescape_url(token); ++ put_var(FORM_VAR, token); ++ token=strtok(NULL, "&;"); ++ } ++ ++ free(qs); ++ ++ return 0; ++} ++ ++/* ++ * LineToStr - Scans char and replaces the first "\n" with a "\0"; ++ * If it finds a "\r", it does that to; (fix DOS brokennes) returns ++ * the length of the string; ++ */ ++static int LineToStr (char *string, size_t max) { ++ size_t offset=0; ++ ++ while ((offset < max) && (string[offset] != '\n') && (string[offset] != '\r')) ++ offset++; ++ ++ if (string[offset] == '\r') { ++ string[offset]='\0'; ++ offset++; ++ } ++ if (string[offset] == '\n') { ++ string[offset]='\0'; ++ offset++; ++ } ++ ++ return offset; ++} ++ ++ ++/* ++ * ReadMimeEncodedInput - handles things that are mime encoded ++ * takes a pointer to the input; returns 0 on success ++ */ ++ ++static int ReadMimeEncodedInput(char *qs) ++{ ++ char *boundary; ++ char *ct; ++ int i; ++ int datastart; ++ size_t cl; ++ size_t offset; ++ char *envname; ++ char *filename; ++ char *ptr; ++ int line; ++ char tmpname[] = TEMPDIR "/XXXXXX"; ++ int fd; ++ /* we should only get here if the content type was set. Segfaults happen ++ if Content_Type is null */ ++ ++ if (getenv("CONTENT_LENGTH") == NULL) ++ /* No content length?! */ ++ return(-1); ++ ++ cl=atoi(getenv("CONTENT_LENGTH")); ++ ++ /* we do this 'cause we can't mess with the real env. variable - it would ++ * overwrite the environment - I tried. ++ */ ++ i=strlen(getenv("CONTENT_TYPE"))+1; ++ ct=malloc(i); ++ if (ct) ++ memcpy(ct, getenv("CONTENT_TYPE"), i); ++ else ++ return(-1); ++ ++ i=(int) NULL; ++ if (ct != NULL) { ++ while (i < strlen(ct) && (strncmp("boundary=", &ct[i], 9) != 0)) ++ i++; ++ } ++ if (i == strlen(ct)) { ++ /* no boundary informaiton found */ ++ free(ct); ++ return -1; ++ } ++ boundary=&ct[i+7]; ++ /* add two leading -- to the boundary */ ++ boundary[0]='-'; ++ boundary[1]='-'; ++ ++ /* begin the big loop. Look for: ++ --boundary ++ Content-Disposition: form-data; name="......." ++ .... ++ ++ content ++ --boundary ++ Content-Disposition: form-data; name="....." filename="....." ++ ... ++ ++ --boundary-- ++ eof ++ */ ++ ++ offset=0; ++ while (offset < cl) { ++ /* first look for boundary */ ++ while ((offset < cl) && (memcmp(&qs[offset], boundary, strlen(boundary)))) ++ offset++; ++ ++ /* if we got here and we ran off the end, its an error */ ++ if (offset >= cl) { ++ free(ct); ++ return -1; ++ } ++ ++ /* if the two characters following the boundary are --, */ ++ /* then we are at the end, exit */ ++ if (memcmp(&qs[offset+strlen(boundary)], "--", 2) == 0) { ++ offset+=2; ++ break; ++ } ++ /* find where the offset should be */ ++ line=LineToStr(&qs[offset], cl-offset); ++ offset+=line; ++ ++ /* Now we're going to look for content-disposition */ ++ line=LineToStr(&qs[offset], cl-offset); ++ if (strncasecmp(&qs[offset], "Content-Disposition", 19) != 0) { ++ /* hmm... content disposition was not where we expected it */ ++ free(ct); ++ return -1; ++ } ++ /* Found it, so let's go find "name=" */ ++ if (!(envname=strstr(&qs[offset], "name="))) { ++ /* now name= is missing?! */ ++ free(ct); ++ return(-1); ++ } else ++ envname+=6; ++ ++ /* is there a filename tag? */ ++ if ((filename=strstr(&qs[offset], "filename="))!= NULL) ++ filename+=10; ++ else ++ filename=NULL; ++ ++ /* make envname and filename ASCIIZ */ ++ for (i=0; (envname[i] != '"') && (envname[i] != '\0'); i++); ++ ++ envname[i] = '\0'; ++ if (filename) { ++ for (i=0; (filename[i] != '"') && (filename[i] != '\0'); i++); ++ filename[i] = '\0'; ++ } ++ offset+=line; ++ ++ /* Ok, by some miracle, we have the name; let's skip till we */ ++ /* come to a blank line */ ++ line=LineToStr(&qs[offset], cl-offset); ++ while (strlen(&qs[offset]) > 1) { ++ offset+=line; ++ line=LineToStr(&qs[offset], cl-offset); ++ } ++ offset+=line; ++ datastart=offset; ++ /* And we go back to looking for a boundary */ ++ while ((offset < cl) && (memcmp(&qs[offset], boundary, strlen(boundary)))) ++ offset++; ++ ++ /* strip [cr] lf */ ++ if ((qs[offset-1] == '\n') && (qs[offset-2] == '\r')) ++ offset-=2; ++ else ++ offset-=1; ++ ++ qs[offset]=0; ++ ++ /* ok, at this point, we know where the name is, and we know */ ++ /* where the content is... we have to do one of two things */ ++ /* based on whether its a file or not */ ++ if (filename==NULL) { /* its not a file, so its easy */ ++ /* just jam the content after the name */ ++ memcpy(&envname[strlen(envname)+1], &qs[datastart], offset-datastart+1); ++ envname[strlen(envname)]='='; ++ put_var(FORM_VAR, envname); ++ } else { /* handle the fileupload case */ ++ if (offset-datastart) { /* only if they uploaded */ ++ if ( global_upload_size == 0 ) { ++ return -1; ++ } ++ /* stuff in the filename */ ++ ptr= calloc ( sizeof (char), strlen(envname)+strlen(filename)+2+5 ); ++ sprintf (ptr, "%s_name=%s", envname, filename); ++ put_var(FORM_VAR, ptr); ++ free(ptr); ++ ++ fd=mkstemp(tmpname); ++ ++ if (fd == -1) ++ return(-1); ++ ++ write(fd, &qs[datastart], offset-datastart); ++ close(fd); ++ ptr= calloc (sizeof(char), strlen(envname)+strlen(tmpname)+2); ++ sprintf (ptr, "%s=%s", envname, tmpname); ++ put_var(FORM_VAR, ptr); ++ free(ptr); ++ } ++ } ++ } ++ free(ct); ++ return 0; ++} ++ ++ ++/*------------------------------------------------------------------------- ++ * ++ * Main ++ * ++ *------------------------------------------------------------------------*/ ++ ++int cgi_init(var_handler putvar_handler) ++{ ++ int retval = 0; ++ ++ do_putvar = putvar_handler; ++ ++ /* Read the current environment into our chain */ ++ CookieVars(); ++ if (getenv("REQUEST_METHOD")) { ++ if (strcasecmp(getenv("REQUEST_METHOD"), "GET") == 0) ++ retval = ReadCGIQueryString(); ++ ++ if (strcasecmp(getenv("REQUEST_METHOD"), "POST") == 0) ++ retval = ReadCGIPOSTValues(); ++ } ++ ++ return retval; ++} +diff -purN bb.old/libbb/Kbuild bb.dev/libbb/Kbuild +--- bb.old/libbb/Kbuild 2007-03-06 19:38:07.361080000 +0100 ++++ bb.dev/libbb/Kbuild 2007-03-11 18:40:51.384445712 +0100 +@@ -118,3 +118,6 @@ lib-$(CONFIG_GREP) += xregcomp.o + lib-$(CONFIG_MDEV) += xregcomp.o + lib-$(CONFIG_LESS) += xregcomp.o + lib-$(CONFIG_DEVFSD) += xregcomp.o ++ ++lib-$(CONFIG_AWX) += cgi.o ++ diff --git a/package/libcgi/Makefile b/package/libcgi/Makefile deleted file mode 100644 index 8d30011fe7..0000000000 --- a/package/libcgi/Makefile +++ /dev/null @@ -1,31 +0,0 @@ -# -# Copyright (C) 2006 OpenWrt.org -# -# This is free software, licensed under the GNU General Public License v2. -# See /LICENSE for more information. -# -# $Id: Makefile 6372 2007-02-25 23:34:57Z nbd $ - -include $(TOPDIR)/rules.mk - -PKG_NAME:=libcgi -PKG_VERSION:=1.0 -PKG_RELEASE:=1 - -PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz -PKG_SOURCE_URL:=@SF/libcgi -PKG_MD5SUM:=110af367081d33c7ed6527a1a60fc274 -PKG_CAT:=zcat - -PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION) - -include $(INCLUDE_DIR)/package.mk - -define Build/InstallDev - mkdir -p $(STAGING_DIR)/usr/include $(STAGING_DIR)/usr/lib - $(MAKE) -C $(PKG_BUILD_DIR) \ - prefix="$(STAGING_DIR)/usr" \ - install -endef - -$(eval $(call Build/DefaultTargets)) -- 2.30.2