X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=actions.c;h=01f2c4a35eeb250d8e0aea5c5e78055437060bd2;hp=c33ba81578da7972e7ae19dda7091051cb2bb28d;hb=1ebaf56647ca9a7fdcc9c55a78cb740f31a6cd1d;hpb=a28c3f9e385d7d1178c284a011d0d73e3bea10cd diff --git a/actions.c b/actions.c index c33ba815..01f2c4a3 100644 --- a/actions.c +++ b/actions.c @@ -1,4 +1,4 @@ -const char actions_rcs[] = "$Id: actions.c,v ???? $"; +const char actions_rcs[] = "$Id: actions.c,v 1.32 2002/05/12 21:36:29 jongfoster Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/actions.c,v $ @@ -7,13 +7,13 @@ const char actions_rcs[] = "$Id: actions.c,v ???? $"; * Functions declared include: FIXME * * Copyright : Written by and Copyright (C) 2001 the SourceForge - * IJBSWA team. http://ijbswa.sourceforge.net + * Privoxy team. http://www.privoxy.org/ * * Based on the Internet Junkbuster originally written - * by and Copyright (C) 1997 Anonymous Coders and + * by and Copyright (C) 1997 Anonymous Coders and * Junkbusters Corporation. http://www.junkbusters.com * - * This program is free software; you can redistribute it + * This program is free software; you can redistribute it * and/or modify it under the terms of the GNU General * Public License as published by the Free Software * Foundation; either version 2 of the License, or (at @@ -33,6 +33,146 @@ const char actions_rcs[] = "$Id: actions.c,v ???? $"; * * Revisions : * $Log: actions.c,v $ + * Revision 1.32 2002/05/12 21:36:29 jongfoster + * Correcting function comments + * + * Revision 1.31 2002/05/06 07:56:50 oes + * Made actions_to_html independent of FEATURE_CGI_EDIT_ACTIONS + * + * Revision 1.30 2002/04/30 11:14:52 oes + * Made csp the first parameter in *action_to_html + * + * Revision 1.29 2002/04/26 19:30:54 jongfoster + * - current_action_to_html(): Adding help link for the "-" form of + * one-string actions. + * - Some actions had "
-", some "
-" (note the space). + * Standardizing on no space. + * - Greatly simplifying some of the code by using string_join() + * where appropriate. + * + * Revision 1.28 2002/04/26 12:53:15 oes + * - CGI AF editor now writes action lines split into + * single lines with line continuation + * - actions_to_html now embeds each action name in + * link to chapter + * - current_action_to_text is now called current_action_to_html + * and acts like actions_to_html + * + * Revision 1.27 2002/04/24 02:10:31 oes + * - Jon's patch for multiple AFs: + * - split load_actions_file, add load_one_actions_file + * - make csp->actions_list files an array + * - remember file id with each action + * - Copy_action now frees dest action before copying + * + * Revision 1.26 2002/03/26 22:29:54 swa + * we have a new homepage! + * + * Revision 1.25 2002/03/24 13:25:43 swa + * name change related issues + * + * Revision 1.24 2002/03/16 23:54:06 jongfoster + * Adding graceful termination feature, to help look for memory leaks. + * If you enable this (which, by design, has to be done by hand + * editing config.h) and then go to http://i.j.b/die, then the program + * will exit cleanly after the *next* request. It should free all the + * memory that was used. + * + * Revision 1.23 2002/03/07 03:46:16 oes + * Fixed compiler warnings + * + * Revision 1.22 2002/01/21 00:27:02 jongfoster + * Allowing free_action(NULL). + * Moving the functions that #include actionlist.h to the end of the file, + * because the Visual C++ 97 debugger gets extremely confused if you try + * to debug any code that comes after them in the file. + * + * Revision 1.21 2002/01/17 20:54:44 jongfoster + * Renaming free_url to free_url_spec, since it frees a struct url_spec. + * + * Revision 1.20 2001/11/22 21:56:49 jongfoster + * Making action_spec->flags into an unsigned long rather than just an + * unsigned int. + * Fixing a bug in the display of -add-header and -wafer + * + * Revision 1.19 2001/11/13 00:14:07 jongfoster + * Fixing stupid bug now I've figured out what || means. + * (It always returns 0 or 1, not one of it's paramaters.) + * + * Revision 1.18 2001/11/07 00:06:06 steudten + * Add line number in error output for lineparsing for + * actionsfile. + * + * Revision 1.17 2001/10/25 03:40:47 david__schmidt + * Change in porting tactics: OS/2's EMX porting layer doesn't allow multiple + * threads to call select() simultaneously. So, it's time to do a real, live, + * native OS/2 port. See defines for __EMX__ (the porting layer) vs. __OS2__ + * (native). Both versions will work, but using __OS2__ offers multi-threading. + * + * Revision 1.16 2001/10/23 21:30:30 jongfoster + * Adding error-checking to selected functions. + * + * Revision 1.15 2001/10/14 21:58:22 jongfoster + * Adding support for the CGI-based editor: + * - Exported get_actions() + * - Added new function free_alias_list() + * - Added support for {{settings}} and {{description}} blocks + * in the actions file. They are currently ignored. + * - Added restriction to only one {{alias}} block which must appear + * first in the file, to simplify the editor's rewriting rules. + * - Note that load_actions_file() is no longer used by the CGI-based + * editor, but some of the other routines in this file are. + * + * Revision 1.14 2001/09/22 16:36:59 jongfoster + * Removing unused parameter fs from read_config_line() + * + * Revision 1.13 2001/09/16 15:47:37 jongfoster + * First version of CGI-based edit interface. This is very much a + * work-in-progress, and you can't actually use it to edit anything + * yet. You must #define FEATURE_CGI_EDIT_ACTIONS for these changes + * to have any effect. + * + * Revision 1.12 2001/09/16 13:21:27 jongfoster + * Changes to use new list functions. + * + * Revision 1.11 2001/09/14 00:17:32 jongfoster + * Tidying up memory allocation. New function init_action(). + * + * Revision 1.10 2001/09/10 10:14:34 oes + * Removing unused variable + * + * Revision 1.9 2001/07/30 22:08:36 jongfoster + * Tidying up #defines: + * - All feature #defines are now of the form FEATURE_xxx + * - Permanently turned off WIN_GUI_EDIT + * - Permanently turned on WEBDAV and SPLIT_PROXY_ARGS + * + * Revision 1.8 2001/06/29 13:19:52 oes + * Removed logentry from cancelled commit + * + * Revision 1.7 2001/06/09 10:55:28 jongfoster + * Changing BUFSIZ ==> BUFFER_SIZE + * + * Revision 1.6 2001/06/07 23:04:34 jongfoster + * Made get_actions() static. + * + * Revision 1.5 2001/06/03 19:11:48 oes + * adapted to new enlist_unique arg format + * + * Revision 1.4 2001/06/01 20:03:42 jongfoster + * Better memory management - current_action->strings[] now + * contains copies of the strings, not the original. + * + * Revision 1.3 2001/06/01 18:49:17 jongfoster + * Replaced "list_share" with "list" - the tiny memory gain was not + * worth the extra complexity. + * + * Revision 1.2 2001/05/31 21:40:00 jongfoster + * Removing some commented out, obsolete blocks of code. + * + * Revision 1.1 2001/05/31 21:16:46 jongfoster + * Moved functions to process the action list into this new file. + * * *********************************************************************/ @@ -41,6 +181,8 @@ const char actions_rcs[] = "$Id: actions.c,v ???? $"; #include #include +#include +#include #include "project.h" #include "jcc.h" @@ -49,24 +191,12 @@ const char actions_rcs[] = "$Id: actions.c,v ???? $"; #include "miscutil.h" #include "errlog.h" #include "loaders.h" +#include "encode.h" +#include "urlmatch.h" +#include "cgi.h" const char actions_h_rcs[] = ACTIONS_H_VERSION; -/* This structure is used to hold user-defined aliases */ -struct action_alias -{ - const char * name; - struct action_spec action[1]; - struct action_alias * next; -}; - - -/* - * Must declare this in this file for the above structure. - * FIXME: Make this static or put structure in header. - */ -extern int get_actions (char *line, struct action_alias * alias_list, - struct action_spec *cur_action); /* * We need the main list of options. @@ -82,19 +212,19 @@ extern int get_actions (char *line, struct action_alias * alias_list, #define AV_ADD_STRING 1 /* +stropt{string} */ #define AV_REM_STRING 2 /* -stropt */ #define AV_ADD_MULTI 3 /* +multiopt{string} +multiopt{string2} */ -#define AV_REM_MULTI 4 /* -multiopt{string} -multiopt{*} */ +#define AV_REM_MULTI 4 /* -multiopt{string} -multiopt */ /* - * We need a structure to hold the name, flag changes, + * We need a structure to hold the name, flag changes, * type, and string index. */ struct action_name { const char * name; - unsigned mask; /* a bit set to "0" = remove action */ - unsigned add; /* a bit set to "1" = add action */ - int takes_value; /* an AV_... constant */ - int index; /* index into strings[] or multi[] */ + unsigned long mask; /* a bit set to "0" = remove action */ + unsigned long add; /* a bit set to "1" = add action */ + int takes_value; /* an AV_... constant */ + int index; /* index into strings[] or multi[] */ }; /* @@ -126,62 +256,32 @@ static const struct action_name action_names[] = #undef DEFINE_ACTION_BOOL #undef DEFINE_ACTION_ALIAS - /* - { "+add-header", ACTION_MASK_ALL, 0, AV_ADD_MULTI, ACTION_MULTI_ADD_HEADER }, - { "+block", ACTION_MASK_ALL, ACTION_BLOCK }, - { "+fast-redirects", ACTION_MASK_ALL, ACTION_FAST_REDIRECTS }, - { "+filter", ACTION_MASK_ALL, ACTION_FILTER }, - { "+hide-forwarded", ACTION_MASK_ALL, ACTION_HIDE_FORWARDED }, - { "+hide-from", ACTION_MASK_ALL, ACTION_HIDE_FROM, AV_ADD_STRING, ACTION_STRING_FROM }, - { "+hide-referer", ACTION_MASK_ALL, ACTION_HIDE_REFERER, AV_ADD_STRING, ACTION_STRING_REFERER }, - { "+hide-referrer", ACTION_MASK_ALL, ACTION_HIDE_REFERER, AV_ADD_STRING, ACTION_STRING_REFERER }, - { "+hide-user-agent", ACTION_MASK_ALL, ACTION_HIDE_USER_AGENT, AV_ADD_STRING, ACTION_STRING_USER_AGENT }, - { "+image", ACTION_MASK_ALL, ACTION_IMAGE }, - { "+no-cookies-read", ACTION_MASK_ALL, ACTION_NO_COOKIE_READ }, - { "+no-cookies-set", ACTION_MASK_ALL, ACTION_NO_COOKIE_SET }, - { "+no-popup", ACTION_MASK_ALL, ACTION_NO_POPUPS }, - { "+no-popups", ACTION_MASK_ALL, ACTION_NO_POPUPS }, - { "+vanilla-wafer", ACTION_MASK_ALL, ACTION_VANILLA_WAFER }, - { "+wafer", ACTION_MASK_ALL, 0, AV_ADD_MULTI, ACTION_MULTI_WAFER }, - { "-add-header", ACTION_MASK_ALL, 0, AV_REM_MULTI, ACTION_MULTI_ADD_HEADER }, - { "-block", ~ACTION_BLOCK, 0 }, - { "-fast-redirects", ~ACTION_FAST_REDIRECTS, 0 }, - { "-filter", ~ACTION_FILTER, 0 }, - { "-hide-forwarded", ~ACTION_HIDE_FORWARDED, 0 }, - { "-hide-from", ~ACTION_HIDE_FROM, 0, AV_REM_STRING, ACTION_STRING_FROM }, - { "-hide-referer", ~ACTION_HIDE_REFERER, 0, AV_REM_STRING, ACTION_STRING_REFERER }, - { "-hide-referrer", ~ACTION_HIDE_REFERER, 0, AV_REM_STRING, ACTION_STRING_REFERER }, - { "-hide-user-agent", ~ACTION_HIDE_USER_AGENT, 0, AV_REM_STRING, ACTION_STRING_USER_AGENT }, - { "-image", ~ACTION_IMAGE, 0 }, - { "-no-cookies-read", ~ACTION_NO_COOKIE_READ, 0 }, - { "-no-cookies-set", ~ACTION_NO_COOKIE_SET, 0 }, - { "-no-popup", ~ACTION_NO_POPUPS, 0 }, - { "-no-popups", ~ACTION_NO_POPUPS, 0 }, - { "-vanilla-wafer", ~ACTION_VANILLA_WAFER, 0 }, - { "-wafer", ACTION_MASK_ALL, 0, AV_REM_MULTI, ACTION_MULTI_WAFER }, -*/ { NULL, 0, 0 } /* End marker */ }; +static int load_one_actions_file(struct client_state *csp, int fileid); + + /********************************************************************* * * Function : merge_actions * * Description : Merge two actions together. - * Similar to "cur_action += new_action". + * Similar to "dest += src". * * Parameters : - * 1 : cur_action = Current actions, to modify. - * 2 : new_action = Action to add. + * 1 : dest = Actions to modify. + * 2 : src = Action to add. * - * Returns : N/A + * Returns : JB_ERR_OK or JB_ERR_MEMORY * *********************************************************************/ -void merge_actions (struct action_spec *dest, - const struct action_spec *src) +jb_err merge_actions (struct action_spec *dest, + const struct action_spec *src) { int i; + jb_err err; dest->mask &= src->mask; dest->add &= src->mask; @@ -194,6 +294,10 @@ void merge_actions (struct action_spec *dest, { freez(dest->string[i]); dest->string[i] = strdup(str); + if (NULL == dest->string[i]) + { + return JB_ERR_MEMORY; + } } } @@ -202,10 +306,10 @@ void merge_actions (struct action_spec *dest, if (src->multi_remove_all[i]) { /* Remove everything from dest */ - destroy_list(dest->multi_remove[i]); - destroy_list(dest->multi_add[i]); + list_remove_all(dest->multi_remove[i]); dest->multi_remove_all[i] = 1; - list_duplicate(dest->multi_add[i], src->multi_add[i]); + + err = list_duplicate(dest->multi_add[i], src->multi_add[i]); } else if (dest->multi_remove_all[i]) { @@ -214,16 +318,23 @@ void merge_actions (struct action_spec *dest, * about what we add. */ list_remove_list(dest->multi_add[i], src->multi_remove[i]); - list_append_list_unique(dest->multi_add[i], src->multi_add[i]); + err = list_append_list_unique(dest->multi_add[i], src->multi_add[i]); } else { /* No "remove all"s to worry about. */ list_remove_list(dest->multi_add[i], src->multi_remove[i]); - list_append_list_unique(dest->multi_remove[i], src->multi_remove[i]); - list_append_list_unique(dest->multi_add[i], src->multi_add[i]); + err = list_append_list_unique(dest->multi_remove[i], src->multi_remove[i]); + if (!err) err = list_append_list_unique(dest->multi_add[i], src->multi_add[i]); + } + + if (err) + { + return err; } } + + return JB_ERR_OK; } @@ -232,7 +343,7 @@ void merge_actions (struct action_spec *dest, * Function : copy_action * * Description : Copy an action_specs. - * Similar to "cur_action = new_action". + * Similar to "dest = src". * * Parameters : * 1 : dest = Destination of copy. @@ -241,10 +352,14 @@ void merge_actions (struct action_spec *dest, * Returns : N/A * *********************************************************************/ -void copy_action (struct action_spec *dest, - const struct action_spec *src) +jb_err copy_action (struct action_spec *dest, + const struct action_spec *src) { int i; + jb_err err = JB_ERR_OK; + + free_action(dest); + memset(dest, '\0', sizeof(*dest)); dest->mask = src->mask; dest->add = src->add; @@ -252,15 +367,32 @@ void copy_action (struct action_spec *dest, for (i = 0; i < ACTION_STRING_COUNT; i++) { char * str = src->string[i]; - dest->string[i] = (str ? strdup(str) : NULL); + if (str) + { + str = strdup(str); + if (!str) + { + return JB_ERR_MEMORY; + } + dest->string[i] = str; + } } for (i = 0; i < ACTION_MULTI_COUNT; i++) { dest->multi_remove_all[i] = src->multi_remove_all[i]; - list_duplicate(dest->multi_remove[i], src->multi_remove[i]); - list_duplicate(dest->multi_add[i], src->multi_add[i]); + err = list_duplicate(dest->multi_remove[i], src->multi_remove[i]); + if (err) + { + return err; + } + err = list_duplicate(dest->multi_add[i], src->multi_add[i]); + if (err) + { + return err; + } } + return err; } @@ -268,7 +400,9 @@ void copy_action (struct action_spec *dest, * * Function : free_action * - * Description : Free an action_specs. + * Description : Destroy an action_spec. Frees memory used by it, + * except for the memory used by the struct action_spec + * itself. * * Parameters : * 1 : src = Source to free. @@ -280,6 +414,11 @@ void free_action (struct action_spec *src) { int i; + if (src == NULL) + { + return; + } + for (i = 0; i < ACTION_STRING_COUNT; i++) { freez(src->string[i]); @@ -315,14 +454,14 @@ void free_action (struct action_spec *src) * we found an action. * 2 : name = [out] Start of action name, null * terminated. NULL on EOL - * 3 : value = [out] Start of action value, null + * 3 : value = [out] Start of action value, null * terminated. NULL if none or EOL. * - * Returns : 0 => Ok - * nonzero => Mismatched {} (line was trashed anyway) + * Returns : JB_ERR_OK => Ok + * JB_ERR_PARSE => Mismatched {} (line was trashed anyway) * *********************************************************************/ -int get_action_token(char **line, char **name, char **value) +jb_err get_action_token(char **line, char **name, char **value) { char * str = *line; char ch; @@ -346,19 +485,19 @@ int get_action_token(char **line, char **name, char **value) if (*str == '{') { /* null name, just value is prohibited */ - return 1; + return JB_ERR_PARSE; } *name = str; /* parse option */ - while (((ch = *str) != '\0') && + while (((ch = *str) != '\0') && (ch != ' ') && (ch != '\t') && (ch != '{')) { if (ch == '}') { - /* error */ - return 1; + /* error, '}' without '{' */ + return JB_ERR_PARSE; } str++; } @@ -377,7 +516,7 @@ int get_action_token(char **line, char **name, char **value) /* More to parse next time. */ *line = str + 1; } - return 0; + return JB_ERR_OK; } str++; @@ -388,7 +527,7 @@ int get_action_token(char **line, char **name, char **value) { /* error */ *value = NULL; - return 1; + return JB_ERR_PARSE; } /* got value */ @@ -397,7 +536,7 @@ int get_action_token(char **line, char **name, char **value) chomp(*value); - return 0; + return JB_ERR_OK; } @@ -410,18 +549,21 @@ int get_action_token(char **line, char **name, char **value) * Parameters : * 1 : line = The string containing the actions. * Will be written to by this function. - * 2 : aliases = Custom alias list, or NULL for none. + * 2 : alias_list = Custom alias list, or NULL for none. * 3 : cur_action = Where to store the action. Caller * allocates memory. * - * Returns : 0 => Ok - * nonzero => Error (line was trashed anyway) + * Returns : JB_ERR_OK => Ok + * JB_ERR_PARSE => Parse error (line was trashed anyway) + * nonzero => Out of memory (line was trashed anyway) * *********************************************************************/ -int get_actions(char *line, struct action_alias * alias_list, - struct action_spec *cur_action) +jb_err get_actions(char *line, + struct action_alias * alias_list, + struct action_spec *cur_action) { - memset(cur_action, '\0', sizeof(*cur_action)); + jb_err err; + init_action(cur_action); cur_action->mask = ACTION_MASK_ALL; while (line) @@ -429,15 +571,16 @@ int get_actions(char *line, struct action_alias * alias_list, char * option = NULL; char * value = NULL; - if (get_action_token(&line, &option, &value)) + err = get_action_token(&line, &option, &value); + if (err) { - return 1; + return err; } if (option) { /* handle option in 'option' */ - + /* Check for standard action name */ const struct action_name * action = action_names; @@ -463,11 +606,15 @@ int get_actions(char *line, struct action_alias * alias_list, if ((value == NULL) || (*value == '\0')) { - return 1; + return JB_ERR_PARSE; } /* FIXME: should validate option string here */ freez (cur_action->string[action->index]); cur_action->string[action->index] = strdup(value); + if (NULL == cur_action->string[action->index]) + { + return JB_ERR_MEMORY; + } break; } case AV_REM_STRING: @@ -481,24 +628,28 @@ int get_actions(char *line, struct action_alias * alias_list, { /* append multi string. */ - struct list * remove = cur_action->multi_remove[action->index]; - struct list * add = cur_action->multi_add[action->index]; + struct list * remove_p = cur_action->multi_remove[action->index]; + struct list * add_p = cur_action->multi_add[action->index]; if ((value == NULL) || (*value == '\0')) { - return 1; + return JB_ERR_PARSE; } - list_remove_item(remove, value); - enlist_unique(add, value); + list_remove_item(remove_p, value); + err = enlist_unique(add_p, value, 0); + if (err) + { + return err; + } break; } case AV_REM_MULTI: { /* remove multi string. */ - struct list * remove = cur_action->multi_remove[action->index]; - struct list * add = cur_action->multi_add[action->index]; + struct list * remove_p = cur_action->multi_remove[action->index]; + struct list * add_p = cur_action->multi_add[action->index]; if ( (value == NULL) || (*value == '\0') || ((*value == '*') && (value[1] == '\0')) ) @@ -508,8 +659,8 @@ int get_actions(char *line, struct action_alias * alias_list, * * Remove *ALL*. */ - destroy_list(remove); - destroy_list(add); + list_remove_all(remove_p); + list_remove_all(add_p); cur_action->multi_remove_all[action->index] = 1; } else @@ -519,22 +670,27 @@ int get_actions(char *line, struct action_alias * alias_list, if ( !cur_action->multi_remove_all[action->index] ) { /* there isn't a catch-all in the remove list already */ - enlist_unique(remove, value); + err = enlist_unique(remove_p, value, 0); + if (err) + { + return err; + } } - list_remove_item(add, value); + list_remove_item(add_p, value); } break; } default: /* Shouldn't get here unless there's memory corruption. */ - return 1; + assert(0); + return JB_ERR_PARSE; } } else { /* try user aliases. */ const struct action_alias * alias = alias_list; - + while ( (alias != NULL) && (0 != strcmpic(alias->name, option)) ) { alias = alias->next; @@ -547,226 +703,51 @@ int get_actions(char *line, struct action_alias * alias_list, else { /* Bad action name */ - return 1; + return JB_ERR_PARSE; } } } } - return 0; -} - - -/********************************************************************* - * - * Function : actions_to_text - * - * Description : Converts a actionsfile entry from numeric form - * ("mask" and "add") to text. - * - * Parameters : - * 1 : mask = As from struct url_actions - * 2 : add = As from struct url_actions - * - * Returns : A string. Caller must free it. - * - *********************************************************************/ -char * actions_to_text(struct action_spec *action) -{ - unsigned mask = action->mask; - unsigned add = action->add; - char * result = strdup(""); - struct list * lst; - - /* sanity - prevents "-feature +feature" */ - mask |= add; - - -#define DEFINE_ACTION_BOOL(__name, __bit) \ - if (!(mask & __bit)) \ - { \ - result = strsav(result, " -" __name); \ - } \ - else if (add & __bit) \ - { \ - result = strsav(result, " +" __name); \ - } - -#define DEFINE_ACTION_STRING(__name, __bit, __index) \ - if (!(mask & __bit)) \ - { \ - result = strsav(result, " -" __name); \ - } \ - else if (add & __bit) \ - { \ - result = strsav(result, " +" __name "{"); \ - result = strsav(result, action->string[__index]); \ - result = strsav(result, "}"); \ - } - -#define DEFINE_ACTION_MULTI(__name, __index) \ - if (action->multi_remove_all[__index]) \ - { \ - result = strsav(result, " -" __name "{*}"); \ - } \ - else \ - { \ - lst = action->multi_remove[__index]->next; \ - while (lst) \ - { \ - result = strsav(result, " -" __name "{"); \ - result = strsav(result, lst->str); \ - result = strsav(result, "}"); \ - lst = lst->next; \ - } \ - } \ - lst = action->multi_add[__index]->next; \ - while (lst) \ - { \ - result = strsav(result, " +" __name "{"); \ - result = strsav(result, lst->str); \ - result = strsav(result, "}"); \ - lst = lst->next; \ - } - -#define DEFINE_ACTION_ALIAS 0 /* No aliases for output */ - -#include "actionlist.h" - -#undef DEFINE_ACTION_MULTI -#undef DEFINE_ACTION_STRING -#undef DEFINE_ACTION_BOOL -#undef DEFINE_ACTION_ALIAS -/* - ACTION_MULTI_TO_TEXT ( "add-header", ACTION_MULTI_ADD_HEADER) - ACTION_TO_TEXT (ACTION_BLOCK, "block"); - ACTION_TO_TEXT (ACTION_FAST_REDIRECTS, "fast-redirects"); - ACTION_TO_TEXT (ACTION_FILTER, "filter"); - ACTION_TO_TEXT (ACTION_HIDE_FORWARDED, "hide-forwarded"); - ACTION_STRING_TO_TEXT(ACTION_HIDE_FROM, "hide-from", ACTION_STRING_FROM); - ACTION_STRING_TO_TEXT(ACTION_HIDE_REFERER, "hide-referer", ACTION_STRING_REFERER); - ACTION_STRING_TO_TEXT(ACTION_HIDE_USER_AGENT, "hide-user-agent", ACTION_STRING_USER_AGENT); - ACTION_TO_TEXT (ACTION_IMAGE, "image"); - ACTION_TO_TEXT (ACTION_NO_COOKIE_READ, "no-cookies-read"); - ACTION_TO_TEXT (ACTION_NO_COOKIE_SET, "no-cookies-set"); - ACTION_TO_TEXT (ACTION_NO_POPUPS, "no-popups"); - ACTION_TO_TEXT (ACTION_VANILLA_WAFER, "vanilla-wafer"); - ACTION_MULTI_TO_TEXT ( "wafer", ACTION_MULTI_WAFER); - -#undef ACTION_TO_TEXT -#undef ACTION_STRING_TO_TEXT -#undef ACTION_MULTI_TO_TEXT -*/ - return result; + return JB_ERR_OK; } /********************************************************************* * - * Function : current_actions_to_text + * Function : init_current_action * - * Description : Converts a actionsfile entry to text. + * Description : Zero out an action. * * Parameters : - * 1 : action = Action + * 1 : dest = An uninitialized current_action_spec. * - * Returns : A string. Caller must free it. + * Returns : N/A * *********************************************************************/ -char * current_action_to_text(struct current_action_spec *action) +void init_current_action (struct current_action_spec *dest) { - unsigned flags = action->flags; - char * result = strdup(""); - struct list_share * lst; - -#define DEFINE_ACTION_BOOL(__name, __bit) \ - if (flags & __bit) \ - { \ - result = strsav(result, " +" __name); \ - } \ - else \ - { \ - result = strsav(result, " -" __name); \ - } - -#define DEFINE_ACTION_STRING(__name, __bit, __index) \ - if (flags & __bit) \ - { \ - result = strsav(result, " +" __name "{"); \ - result = strsav(result, action->string[__index]); \ - result = strsav(result, "}"); \ - } \ - else \ - { \ - result = strsav(result, " -" __name); \ - } - -#define DEFINE_ACTION_MULTI(__name, __index) \ - lst = action->multi[__index]->next; \ - if (lst == NULL) \ - { \ - result = strsav(result, " -" __name); \ - } \ - else \ - { \ - while (lst) \ - { \ - result = strsav(result, " +" __name "{"); \ - result = strsav(result, lst->str); \ - result = strsav(result, "}"); \ - lst = lst->next; \ - } \ - } - -#define DEFINE_ACTION_ALIAS 0 /* No aliases for output */ - -#include "actionlist.h" + memset(dest, '\0', sizeof(*dest)); -#undef DEFINE_ACTION_MULTI -#undef DEFINE_ACTION_STRING -#undef DEFINE_ACTION_BOOL -#undef DEFINE_ACTION_ALIAS -/* - - ACTION_MULTI_TO_TEXT ( "add-header", ACTION_MULTI_ADD_HEADER) - ACTION_TO_TEXT (ACTION_BLOCK, "block"); - ACTION_TO_TEXT (ACTION_FAST_REDIRECTS, "fast-redirects"); - ACTION_TO_TEXT (ACTION_FILTER, "filter"); - ACTION_TO_TEXT (ACTION_HIDE_FORWARDED, "hide-forwarded"); - ACTION_STRING_TO_TEXT(ACTION_HIDE_FROM, "hide-from", ACTION_STRING_FROM); - ACTION_STRING_TO_TEXT(ACTION_HIDE_REFERER, "hide-referer", ACTION_STRING_REFERER); - ACTION_STRING_TO_TEXT(ACTION_HIDE_USER_AGENT, "hide-user-agent", ACTION_STRING_USER_AGENT); - ACTION_TO_TEXT (ACTION_IMAGE, "image"); - ACTION_TO_TEXT (ACTION_NO_COOKIE_READ, "no-cookies-read"); - ACTION_TO_TEXT (ACTION_NO_COOKIE_SET, "no-cookies-set"); - ACTION_TO_TEXT (ACTION_NO_POPUPS, "no-popups"); - ACTION_TO_TEXT (ACTION_VANILLA_WAFER, "vanilla-wafer"); - ACTION_MULTI_TO_TEXT ( "wafer", ACTION_MULTI_WAFER); - -#undef ACTION_TO_TEXT -#undef ACTION_STRING_TO_TEXT -#undef ACTION_MULTI_TO_TEXT -*/ - return result; + dest->flags = ACTION_MOST_COMPATIBLE; } /********************************************************************* * - * Function : init_current_action + * Function : init_action * * Description : Zero out an action. * * Parameters : - * 1 : dest = An uninitialized current_action_spec. + * 1 : dest = An uninitialized action_spec. * * Returns : N/A * *********************************************************************/ -void init_current_action (struct current_action_spec *dest) +void init_action (struct action_spec *dest) { memset(dest, '\0', sizeof(*dest)); - dest->flags = ACTION_MOST_COMPATIBLE; } @@ -780,7 +761,7 @@ void init_current_action (struct current_action_spec *dest) * is that this one doesn't allocate memory for * strings (so "src" better be in memory for at least * as long as "dest" is, and you'd better free - * "dest" using "current_free_action"). + * "dest" using "free_current_action"). * Also, there is no mask or remove lists in dest. * (If we're applying it to a URL, we don't need them) * @@ -788,13 +769,15 @@ void init_current_action (struct current_action_spec *dest) * 1 : dest = Current actions, to modify. * 2 : src = Action to add. * - * Returns : N/A + * Returns 0 : no error + * !=0 : error, probably JB_ERR_MEMORY. * *********************************************************************/ -void merge_current_action (struct current_action_spec *dest, - const struct action_spec *src) +jb_err merge_current_action (struct current_action_spec *dest, + const struct action_spec *src) { int i; + jb_err err = JB_ERR_OK; dest->flags &= src->mask; dest->flags |= src->add; @@ -804,6 +787,12 @@ void merge_current_action (struct current_action_spec *dest, char * str = src->string[i]; if (str) { + str = strdup(str); + if (!str) + { + return JB_ERR_MEMORY; + } + freez(dest->string[i]); dest->string[i] = str; } } @@ -812,16 +801,24 @@ void merge_current_action (struct current_action_spec *dest, { if (src->multi_remove_all[i]) { - /* Remove everything from dest */ - destroy_list_share(dest->multi[i]); - list_duplicate_share(dest->multi[i], src->multi_add[i]); + /* Remove everything from dest, then add src->multi_add */ + err = list_duplicate(dest->multi[i], src->multi_add[i]); + if (err) + { + return err; + } } else { - list_remove_list_share(dest->multi[i], src->multi_remove[i]); - list_append_list_unique_share(dest->multi[i], src->multi_add[i]); + list_remove_list(dest->multi[i], src->multi_remove[i]); + err = list_append_list_unique(dest->multi[i], src->multi_add[i]); + if (err) + { + return err; + } } } + return err; } @@ -829,7 +826,8 @@ void merge_current_action (struct current_action_spec *dest, * * Function : free_current_action * - * Description : Free a current_action_spec. + * Description : Free memory used by a current_action_spec. + * Does not free the current_action_spec itself. * * Parameters : * 1 : src = Source to free. @@ -841,15 +839,50 @@ void free_current_action (struct current_action_spec *src) { int i; + for (i = 0; i < ACTION_STRING_COUNT; i++) + { + freez(src->string[i]); + } + for (i = 0; i < ACTION_MULTI_COUNT; i++) { - destroy_list_share(src->multi[i]); + destroy_list(src->multi[i]); } memset(src, '\0', sizeof(*src)); } +static struct file_list *current_actions_file[MAX_ACTION_FILES] = { + NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL +}; + + +#ifdef FEATURE_GRACEFUL_TERMINATION +/********************************************************************* + * + * Function : unload_current_actions_file + * + * Description : Unloads current actions file - reset to state at + * beginning of program. + * + * Parameters : None + * + * Returns : N/A + * + *********************************************************************/ +void unload_current_actions_file(void) +{ + if (current_actions_file) + { + current_actions_file->unloader = unload_actions_file; + current_actions_file = NULL; + } +} +#endif /* FEATURE_GRACEFUL_TERMINATION */ + + /********************************************************************* * * Function : unload_actions_file @@ -870,7 +903,8 @@ void unload_actions_file(void *file_data) while (cur != NULL) { next = cur->next; - free_url(cur->url); + free_url_spec(cur->url); + free_action(cur->action); freez(cur); cur = next; } @@ -878,11 +912,37 @@ void unload_actions_file(void *file_data) } +/********************************************************************* + * + * Function : free_alias_list + * + * Description : Free memory used by a list of aliases. + * + * Parameters : + * 1 : alias_list = Linked list to free. + * + * Returns : N/A + * + *********************************************************************/ +void free_alias_list(struct action_alias *alias_list) +{ + while (alias_list != NULL) + { + struct action_alias * next = alias_list->next; + alias_list->next = NULL; + freez(alias_list->name); + free_action(alias_list->action); + free(alias_list); + alias_list = next; + } +} + + /********************************************************************* * * Function : load_actions_file * - * Description : Read and parse a action file and add to files + * Description : Read and parse all the action files and add to files * list. * * Parameters : @@ -893,36 +953,79 @@ void unload_actions_file(void *file_data) *********************************************************************/ int load_actions_file(struct client_state *csp) { - static struct file_list *current_actions_file = NULL; + int i; + int result; - FILE *fp; + for (i = 0; i < MAX_ACTION_FILES; i++) + { + if (csp->config->actions_file[i]) + { + result = load_one_actions_file(csp, i); + if (result) + { + return result; + } + } + else if (current_actions_file[i]) + { + current_actions_file[i]->unloader = unload_actions_file; + current_actions_file[i] = NULL; + } + } + + return 0; +} + +/********************************************************************* + * + * Function : load_one_actions_file + * + * Description : Read and parse a action file and add to files + * list. + * + * Parameters : + * 1 : csp = Current client state (buffers, headers, etc...) + * 2 : fileid = File index to load. + * + * Returns : 0 => Ok, everything else is an error. + * + *********************************************************************/ +static int load_one_actions_file(struct client_state *csp, int fileid) +{ + + /* + * Parser mode. + * Note: Keep these in the order they occur in the file, they are + * sometimes tested with <= + */ +#define MODE_START_OF_FILE 1 +#define MODE_SETTINGS 2 +#define MODE_DESCRIPTION 3 +#define MODE_ALIAS 4 +#define MODE_ACTIONS 5 + + int mode = MODE_START_OF_FILE; + FILE *fp; struct url_actions *last_perm; struct url_actions *perm; - char buf[BUFSIZ]; + char buf[BUFFER_SIZE]; struct file_list *fs; -#define MODE_START_OF_FILE 1 -#define MODE_ACTIONS 2 -#define MODE_ALIAS 3 - int mode = MODE_START_OF_FILE; - struct action_spec cur_action[1]; + struct action_spec * cur_action = NULL; + int cur_action_used = 0; struct action_alias * alias_list = NULL; + unsigned long linenum = 0; - memset(cur_action, '\0', sizeof(*cur_action)); - - if (!check_file_changed(current_actions_file, csp->config->actions_file, &fs)) + if (!check_file_changed(current_actions_file[fileid], csp->config->actions_file[fileid], &fs)) { /* No need to load */ - if (csp) - { - csp->actions_list = current_actions_file; - } + csp->actions_list[fileid] = current_actions_file[fileid]; return 0; } if (!fs) { log_error(LOG_LEVEL_FATAL, "can't load actions file '%s': error finding file: %E", - csp->config->actions_file); + csp->config->actions_file[fileid]); return 1; /* never get here */ } @@ -930,18 +1033,18 @@ int load_actions_file(struct client_state *csp) if (last_perm == NULL) { log_error(LOG_LEVEL_FATAL, "can't load actions file '%s': out of memory!", - csp->config->actions_file); + csp->config->actions_file[fileid]); return 1; /* never get here */ } - if ((fp = fopen(csp->config->actions_file, "r")) == NULL) + if ((fp = fopen(csp->config->actions_file[fileid], "r")) == NULL) { log_error(LOG_LEVEL_FATAL, "can't load actions file '%s': error opening file: %E", - csp->config->actions_file); + csp->config->actions_file[fileid]); return 1; /* never get here */ } - while (read_config_line(buf, sizeof(buf), fp, fs) != NULL) + while (read_config_line(buf, sizeof(buf), fp, &linenum) != NULL) { if (*buf == '{') { @@ -956,9 +1059,9 @@ int load_actions_file(struct client_state *csp) { /* too short */ fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load actions file '%s': invalid line: %s", - csp->config->actions_file, buf); + log_error(LOG_LEVEL_FATAL, + "can't load actions file '%s': invalid line (%lu): %s", + csp->config->actions_file[fileid], linenum, buf); return 1; /* never get here */ } @@ -970,25 +1073,87 @@ int load_actions_file(struct client_state *csp) { /* too short */ fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load actions file '%s': invalid line: {{ }}", - csp->config->actions_file); + log_error(LOG_LEVEL_FATAL, + "can't load actions file '%s': invalid line (%lu): {{ }}", + csp->config->actions_file[fileid], linenum); return 1; /* never get here */ } - if (0 == strcmpic(start, "alias")) + /* + * An actionsfile can optionally contain the following blocks. + * They *MUST* be in this order, to simplify processing: + * + * {{settings}} + * name=value... + * + * {{description}} + * ...free text, format TBD, but no line may start with a '{'... + * + * {{alias}} + * name=actions... + * + * The actual actions must be *after* these special blocks. + * None of these special blocks may be repeated. + * + */ + if (0 == strcmpic(start, "settings")) + { + /* it's a {{settings}} block */ + if (mode >= MODE_SETTINGS) + { + /* {{settings}} must be first thing in file and must only + * appear once. + */ + fclose(fp); + log_error(LOG_LEVEL_FATAL, + "can't load actions file '%s': line %lu: {{settings}} must only appear once, and it must be before anything else.", + csp->config->actions_file[fileid], linenum); + } + mode = MODE_SETTINGS; + } + else if (0 == strcmpic(start, "description")) + { + /* it's a {{description}} block */ + if (mode >= MODE_DESCRIPTION) + { + /* {{description}} is a singleton and only {{settings}} may proceed it + */ + fclose(fp); + log_error(LOG_LEVEL_FATAL, + "can't load actions file '%s': line %lu: {{description}} must only appear once, and only a {{settings}} block may be above it.", + csp->config->actions_file[fileid], linenum); + } + mode = MODE_DESCRIPTION; + } + else if (0 == strcmpic(start, "alias")) { /* it's an {{alias}} block */ - + if (mode >= MODE_ALIAS) + { + /* {{alias}} must be first thing in file, possibly after + * {{settings}} and {{description}} + * + * {{alias}} must only appear once. + * + * Note that these are new restrictions introduced in + * v2.9.10 in order to make actionsfile editing simpler. + * (Otherwise, reordering actionsfile entries without + * completely rewriting the file becomes non-trivial) + */ + fclose(fp); + log_error(LOG_LEVEL_FATAL, + "can't load actions file '%s': line %lu: {{alias}} must only appear once, and it must be before all actions.", + csp->config->actions_file[fileid], linenum); + } mode = MODE_ALIAS; } else { /* invalid {{something}} block */ fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load actions file '%s': invalid line: {{%s}}", - csp->config->actions_file, start); + log_error(LOG_LEVEL_FATAL, + "can't load actions file '%s': invalid line (%lu): {{%s}}", + csp->config->actions_file[fileid], linenum, start); return 1; /* never get here */ } } @@ -996,14 +1161,33 @@ int load_actions_file(struct client_state *csp) { /* It's an actions block */ - char actions_buf[BUFSIZ]; + char actions_buf[BUFFER_SIZE]; char * end; /* set mode */ mode = MODE_ACTIONS; /* free old action */ - free_action(cur_action); + if (cur_action) + { + if (!cur_action_used) + { + free_action(cur_action); + free(cur_action); + } + cur_action = NULL; + } + cur_action_used = 0; + cur_action = (struct action_spec *)zalloc(sizeof(*cur_action)); + if (cur_action == NULL) + { + fclose(fp); + log_error(LOG_LEVEL_FATAL, + "can't load actions file '%s': out of memory", + csp->config->actions_file[fileid]); + return 1; /* never get here */ + } + init_action(cur_action); /* trim { */ strcpy(actions_buf, buf + 1); @@ -1012,11 +1196,11 @@ int load_actions_file(struct client_state *csp) end = actions_buf + strlen(actions_buf) - 1; if (*end != '}') { - /* too short */ + /* No closing } */ fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load actions file '%s': invalid line: %s", - csp->config->actions_file, buf); + log_error(LOG_LEVEL_FATAL, + "can't load actions file '%s': invalid line (%lu): %s", + csp->config->actions_file[fileid], linenum, buf); return 1; /* never get here */ } *end = '\0'; @@ -1024,42 +1208,48 @@ int load_actions_file(struct client_state *csp) /* trim any whitespace immediately inside {} */ chomp(actions_buf); - if (*actions_buf == '\0') - { - /* too short */ - fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load actions file '%s': invalid line: %s", - csp->config->actions_file, buf); - return 1; /* never get here */ - } - if (get_actions(actions_buf, alias_list, cur_action)) { /* error */ fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load actions file '%s': invalid line: %s", - csp->config->actions_file, buf); + log_error(LOG_LEVEL_FATAL, + "can't load actions file '%s': invalid line (%lu): %s", + csp->config->actions_file[fileid], linenum, buf); return 1; /* never get here */ } } } + else if (mode == MODE_SETTINGS) + { + /* + * Part of the {{settings}} block. + * Ignore for now, but we may want to read & check permissions + * when we go multi-user. + */ + } + else if (mode == MODE_DESCRIPTION) + { + /* + * Part of the {{description}} block. + * Ignore for now. + */ + } else if (mode == MODE_ALIAS) { - /* define an alias */ - char actions_buf[BUFSIZ]; + /* + * define an alias + */ + char actions_buf[BUFFER_SIZE]; struct action_alias * new_alias; - int more = 1; char * start = strchr(buf, '='); char * end = start; if ((start == NULL) || (start == buf)) { - log_error(LOG_LEVEL_FATAL, - "can't load actions file '%s': invalid alias line: %s", - csp->config->actions_file, buf); + log_error(LOG_LEVEL_FATAL, + "can't load actions file '%s': invalid alias line (%lu): %s", + csp->config->actions_file[fileid], linenum, buf); return 1; /* never get here */ } @@ -1068,7 +1258,7 @@ int load_actions_file(struct client_state *csp) fclose(fp); log_error(LOG_LEVEL_FATAL, "can't load actions file '%s': out of memory!", - csp->config->actions_file); + csp->config->actions_file[fileid]); return 1; /* never get here */ } @@ -1092,9 +1282,9 @@ int load_actions_file(struct client_state *csp) } if (*start == '\0') { - log_error(LOG_LEVEL_FATAL, - "can't load actions file '%s': invalid alias line: %s", - csp->config->actions_file, buf); + log_error(LOG_LEVEL_FATAL, + "can't load actions file '%s': invalid alias line (%lu): %s", + csp->config->actions_file[fileid], linenum, buf); return 1; /* never get here */ } @@ -1106,12 +1296,12 @@ int load_actions_file(struct client_state *csp) { /* error */ fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load actions file '%s': invalid alias line: %s = %s", - csp->config->actions_file, buf, start); + log_error(LOG_LEVEL_FATAL, + "can't load actions file '%s': invalid alias line (%lu): %s = %s", + csp->config->actions_file[fileid], linenum, buf, start); return 1; /* never get here */ } - + /* add to list */ new_alias->next = alias_list; alias_list = new_alias; @@ -1126,7 +1316,7 @@ int load_actions_file(struct client_state *csp) fclose(fp); log_error(LOG_LEVEL_FATAL, "can't load actions file '%s': out of memory!", - csp->config->actions_file); + csp->config->actions_file[fileid]); return 1; /* never get here */ } @@ -1137,9 +1327,9 @@ int load_actions_file(struct client_state *csp) if (create_url_spec(perm->url, buf)) { fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load actions file '%s': cannot create URL pattern from: %s", - csp->config->actions_file, buf); + log_error(LOG_LEVEL_FATAL, + "can't load actions file '%s': line %lu: cannot create URL pattern from: %s", + csp->config->actions_file[fileid], linenum, buf); return 1; /* never get here */ } @@ -1151,57 +1341,316 @@ int load_actions_file(struct client_state *csp) { /* oops - please have a {} line as 1st line in file. */ fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load actions file '%s': first line is invalid: %s", - csp->config->actions_file, buf); + log_error(LOG_LEVEL_FATAL, + "can't load actions file '%s': first needed line (%lu) is invalid: %s", + csp->config->actions_file[fileid], linenum, buf); return 1; /* never get here */ } else { /* How did we get here? This is impossible! */ fclose(fp); - log_error(LOG_LEVEL_FATAL, + log_error(LOG_LEVEL_FATAL, "can't load actions file '%s': INTERNAL ERROR - mode = %d", - csp->config->actions_file, mode); + csp->config->actions_file[fileid], mode); return 1; /* never get here */ } } fclose(fp); - - free_action(cur_action); - while (alias_list != NULL) - { - struct action_alias * next = alias_list->next; - freez((char *)alias_list->name); - free_action(alias_list->action); - free(alias_list); - alias_list = next; - } + free_action(cur_action); -#ifndef SPLIT_PROXY_ARGS - if (!suppress_blocklists) - { - fs->proxy_args = strsav(fs->proxy_args, ""); - } -#endif /* ndef SPLIT_PROXY_ARGS */ + free_alias_list(alias_list); /* the old one is now obsolete */ - if (current_actions_file) + if (current_actions_file[fileid]) { - current_actions_file->unloader = unload_actions_file; + current_actions_file[fileid]->unloader = unload_actions_file; } fs->next = files->next; files->next = fs; - current_actions_file = fs; + current_actions_file[fileid] = fs; + + csp->actions_list[fileid] = fs; + + return(0); + +} + + +/********************************************************************* + * + * Function : actions_to_text + * + * Description : Converts a actionsfile entry from the internal + * structurt into a text line. The output is split + * into one line for each action with line continuation. + * + * Parameters : + * 1 : action = The action to format. + * + * Returns : A string. Caller must free it. + * NULL on out-of-memory error. + * + *********************************************************************/ +char * actions_to_text(struct action_spec *action) +{ + unsigned mask = action->mask; + unsigned add = action->add; + char * result = strdup(""); + struct list_entry * lst; + + /* sanity - prevents "-feature +feature" */ + mask |= add; + - if (csp) +#define DEFINE_ACTION_BOOL(__name, __bit) \ + if (!(mask & __bit)) \ + { \ + string_append(&result, " -" __name " \\\n"); \ + } \ + else if (add & __bit) \ + { \ + string_append(&result, " +" __name " \\\n"); \ + } + +#define DEFINE_ACTION_STRING(__name, __bit, __index) \ + if (!(mask & __bit)) \ + { \ + string_append(&result, " -" __name " \\\n"); \ + } \ + else if (add & __bit) \ + { \ + string_append(&result, " +" __name "{"); \ + string_append(&result, action->string[__index]); \ + string_append(&result, "} \\\n"); \ + } + +#define DEFINE_ACTION_MULTI(__name, __index) \ + if (action->multi_remove_all[__index]) \ + { \ + string_append(&result, " -" __name " \\\n"); \ + } \ + else \ + { \ + lst = action->multi_remove[__index]->first; \ + while (lst) \ + { \ + string_append(&result, " -" __name "{"); \ + string_append(&result, lst->str); \ + string_append(&result, "} \\\n"); \ + lst = lst->next; \ + } \ + } \ + lst = action->multi_add[__index]->first; \ + while (lst) \ + { \ + string_append(&result, " +" __name "{"); \ + string_append(&result, lst->str); \ + string_append(&result, "} \\\n"); \ + lst = lst->next; \ + } + +#define DEFINE_ACTION_ALIAS 0 /* No aliases for output */ + +#include "actionlist.h" + +#undef DEFINE_ACTION_MULTI +#undef DEFINE_ACTION_STRING +#undef DEFINE_ACTION_BOOL +#undef DEFINE_ACTION_ALIAS + + return result; +} + + +/********************************************************************* + * + * Function : actions_to_html + * + * Description : Converts a actionsfile entry from numeric form + * ("mask" and "add") to a
-seperated HTML string + * in which each action is linked to its chapter in + * the user manual. + * + * Parameters : + * 1 : csp = Client state (for config) + * 2 : action = Action spec to be converted + * + * Returns : A string. Caller must free it. + * NULL on out-of-memory error. + * + *********************************************************************/ +char * actions_to_html(struct client_state *csp, + struct action_spec *action) +{ + unsigned mask = action->mask; + unsigned add = action->add; + char * result = strdup(""); + struct list_entry * lst; + + /* sanity - prevents "-feature +feature" */ + mask |= add; + + +#define DEFINE_ACTION_BOOL(__name, __bit) \ + if (!(mask & __bit)) \ + { \ + string_append(&result, "\n
-"); \ + string_join(&result, add_help_link(__name, csp->config)); \ + } \ + else if (add & __bit) \ + { \ + string_append(&result, "\n
+"); \ + string_join(&result, add_help_link(__name, csp->config)); \ + } + +#define DEFINE_ACTION_STRING(__name, __bit, __index) \ + if (!(mask & __bit)) \ + { \ + string_append(&result, "\n
-"); \ + string_join(&result, add_help_link(__name, csp->config)); \ + } \ + else if (add & __bit) \ + { \ + string_append(&result, "\n
+"); \ + string_join(&result, add_help_link(__name, csp->config)); \ + string_append(&result, "{"); \ + string_join(&result, html_encode(action->string[__index])); \ + string_append(&result, "}"); \ + } + +#define DEFINE_ACTION_MULTI(__name, __index) \ + if (action->multi_remove_all[__index]) \ + { \ + string_append(&result, "\n
-"); \ + string_join(&result, add_help_link(__name, csp->config)); \ + } \ + else \ + { \ + lst = action->multi_remove[__index]->first; \ + while (lst) \ + { \ + string_append(&result, "\n
-"); \ + string_join(&result, add_help_link(__name, csp->config)); \ + string_append(&result, "{"); \ + string_join(&result, html_encode(lst->str)); \ + string_append(&result, "}"); \ + lst = lst->next; \ + } \ + } \ + lst = action->multi_add[__index]->first; \ + while (lst) \ + { \ + string_append(&result, "\n
+"); \ + string_join(&result, add_help_link(__name, csp->config)); \ + string_append(&result, "{"); \ + string_join(&result, html_encode(lst->str)); \ + string_append(&result, "}"); \ + lst = lst->next; \ + } + +#define DEFINE_ACTION_ALIAS 0 /* No aliases for output */ + +#include "actionlist.h" + +#undef DEFINE_ACTION_MULTI +#undef DEFINE_ACTION_STRING +#undef DEFINE_ACTION_BOOL +#undef DEFINE_ACTION_ALIAS + + /* trim leading
*/ + if (result && *result) { - csp->actions_list = fs; + char * s = result; + result = strdup(result + 5); + free(s); } - return(0); + return result; +} + +/********************************************************************* + * + * Function : current_actions_to_html + * + * Description : Converts a curren action spec to a
seperated HTML + * text in which each action is linked to its chapter in + * the user manual. + * + * Parameters : + * 1 : csp = Client state (for config) + * 2 : action = Current action spec to be converted + * + * Returns : A string. Caller must free it. + * NULL on out-of-memory error. + * + *********************************************************************/ +char *current_action_to_html(struct client_state *csp, + struct current_action_spec *action) +{ + unsigned long flags = action->flags; + char * result = strdup(""); + struct list_entry * lst; + +#define DEFINE_ACTION_BOOL(__name, __bit) \ + if (flags & __bit) \ + { \ + string_append(&result, "\n
+"); \ + string_join(&result, add_help_link(__name, csp->config)); \ + } \ + else \ + { \ + string_append(&result, "\n
-"); \ + string_join(&result, add_help_link(__name, csp->config)); \ + } + +#define DEFINE_ACTION_STRING(__name, __bit, __index) \ + if (flags & __bit) \ + { \ + string_append(&result, "\n
+"); \ + string_join(&result, add_help_link(__name, csp->config)); \ + string_append(&result, "{"); \ + string_join(&result, html_encode(action->string[__index])); \ + string_append(&result, "}"); \ + } \ + else \ + { \ + string_append(&result, "\n
-"); \ + string_join(&result, add_help_link(__name, csp->config)); \ + } + +#define DEFINE_ACTION_MULTI(__name, __index) \ + lst = action->multi[__index]->first; \ + if (lst == NULL) \ + { \ + string_append(&result, "\n
-"); \ + string_join(&result, add_help_link(__name, csp->config)); \ + } \ + else \ + { \ + while (lst) \ + { \ + string_append(&result, "\n
+"); \ + string_join(&result, add_help_link(__name, csp->config)); \ + string_append(&result, "{"); \ + string_join(&result, html_encode(lst->str)); \ + string_append(&result, "}"); \ + lst = lst->next; \ + } \ + } + +#define DEFINE_ACTION_ALIAS 0 /* No aliases for output */ + +#include "actionlist.h" + +#undef DEFINE_ACTION_MULTI +#undef DEFINE_ACTION_STRING +#undef DEFINE_ACTION_BOOL +#undef DEFINE_ACTION_ALIAS + + return result; }