X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=actions.c;h=e0f3fcadaab41234a4e2a4143a38e398c36aee77;hp=4e74aaa0bb4c9c4aacd318b0d5f8c8b865963833;hb=97110184221edacdb7d4dfc29de0e38d63f4d831;hpb=d1f3288b2bb793d9f5772f55043a8d1367a846bd diff --git a/actions.c b/actions.c index 4e74aaa0..e0f3fcad 100644 --- a/actions.c +++ b/actions.c @@ -1,4 +1,4 @@ -const char actions_rcs[] = "$Id: actions.c,v 1.19 2001/11/13 00:14:07 jongfoster Exp $"; +const char actions_rcs[] = "$Id: actions.c,v 1.25 2002/03/24 13:25:43 swa Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/actions.c,v $ @@ -7,7 +7,7 @@ const char actions_rcs[] = "$Id: actions.c,v 1.19 2001/11/13 00:14:07 jongfoster * Functions declared include: FIXME * * Copyright : Written by and Copyright (C) 2001 the SourceForge - * IJBSWA team. http://ijbswa.sourceforge.net + * Privoxy team. http://www.privoxy.org/ * * Based on the Internet Junkbuster originally written * by and Copyright (C) 1997 Anonymous Coders and @@ -33,6 +33,33 @@ const char actions_rcs[] = "$Id: actions.c,v 1.19 2001/11/13 00:14:07 jongfoster * * Revisions : * $Log: actions.c,v $ + * 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.) @@ -132,6 +159,7 @@ const char actions_rcs[] = "$Id: actions.c,v 1.19 2001/11/13 00:14:07 jongfoster #ifdef FEATURE_CGI_EDIT_ACTIONS #include "encode.h" #endif /* def FEATURE_CGI_EDIT_ACTIONS */ +#include "urlmatch.h" const char actions_h_rcs[] = ACTIONS_H_VERSION; @@ -350,6 +378,11 @@ 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]); @@ -559,16 +592,16 @@ jb_err get_actions(char *line, { /* 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 JB_ERR_PARSE; } - list_remove_item(remove, value); - err = enlist_unique(add, value, 0); + list_remove_item(remove_p, value); + err = enlist_unique(add_p, value, 0); if (err) { return err; @@ -579,8 +612,8 @@ jb_err get_actions(char *line, { /* 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')) ) @@ -590,8 +623,8 @@ jb_err get_actions(char *line, * * Remove *ALL*. */ - list_remove_all(remove); - list_remove_all(add); + list_remove_all(remove_p); + list_remove_all(add_p); cur_action->multi_remove_all[action->index] = 1; } else @@ -601,13 +634,13 @@ jb_err get_actions(char *line, if ( !cur_action->multi_remove_all[action->index] ) { /* there isn't a catch-all in the remove list already */ - err = enlist_unique(remove, value, 0); + err = enlist_unique(remove_p, value, 0); if (err) { return err; } } - list_remove_item(add, value); + list_remove_item(add_p, value); } break; } @@ -646,359 +679,72 @@ jb_err get_actions(char *line, /********************************************************************* * - * Function : actions_to_text + * Function : init_current_action * - * Description : Converts a actionsfile entry from numeric form - * ("mask" and "add") to text. + * Description : Zero out an action. * * Parameters : - * 1 : mask = As from struct url_actions - * 2 : add = As from struct url_actions + * 1 : dest = An uninitialized current_action_spec. * - * Returns : A string. Caller must free it. - * NULL on out-of-memory error. + * Returns : N/A * *********************************************************************/ -char * actions_to_text(struct action_spec *action) +void init_current_action (struct current_action_spec *dest) { - 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, " -" __name); \ - } \ - else if (add & __bit) \ - { \ - string_append(&result, " +" __name); \ - } - -#define DEFINE_ACTION_STRING(__name, __bit, __index) \ - if (!(mask & __bit)) \ - { \ - string_append(&result, " -" __name); \ - } \ - else if (add & __bit) \ - { \ - string_append(&result, " +" __name "{"); \ - string_append(&result, action->string[__index]); \ - string_append(&result, "}"); \ - } - -#define DEFINE_ACTION_MULTI(__name, __index) \ - if (action->multi_remove_all[__index]) \ - { \ - string_append(&result, " -" __name); \ - } \ - else \ - { \ - lst = action->multi_remove[__index]->first; \ - while (lst) \ - { \ - string_append(&result, " -" __name "{"); \ - string_append(&result, lst->str); \ - string_append(&result, "}"); \ - lst = lst->next; \ - } \ - } \ - lst = action->multi_add[__index]->first; \ - while (lst) \ - { \ - string_append(&result, " +" __name "{"); \ - string_append(&result, 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 + memset(dest, '\0', sizeof(*dest)); - return result; + dest->flags = ACTION_MOST_COMPATIBLE; } -#ifdef FEATURE_CGI_EDIT_ACTIONS /********************************************************************* * - * Function : actions_to_html + * Function : init_action * - * Description : Converts a actionsfile entry from numeric form - * ("mask" and "add") to a
-seperated HTML string. + * Description : Zero out an action. * * Parameters : - * 1 : mask = As from struct url_actions - * 2 : add = As from struct url_actions + * 1 : dest = An uninitialized action_spec. * - * Returns : A string. Caller must free it. - * NULL on out-of-memory error. + * Returns : N/A * *********************************************************************/ -char * actions_to_html(struct action_spec *action) +void init_action (struct action_spec *dest) { - unsigned mask = action->mask; - unsigned add = action->add; - char * result = strdup(""); - char * enc_str; - struct list_entry * lst; - - /* sanity - prevents "-feature +feature" */ - mask |= add; - - -#define DEFINE_ACTION_BOOL(__name, __bit) \ - if (!(mask & __bit)) \ - { \ - string_append(&result, "\n
-" __name); \ - } \ - else if (add & __bit) \ - { \ - string_append(&result, "\n
+" __name); \ - } - -#define DEFINE_ACTION_STRING(__name, __bit, __index) \ - if (!(mask & __bit)) \ - { \ - string_append(&result, "\n
-" __name); \ - } \ - else if (add & __bit) \ - { \ - string_append(&result, "\n
+" __name "{"); \ - if (NULL == result) \ - { \ - return NULL; \ - } \ - enc_str = html_encode(action->string[__index]);\ - if (NULL == enc_str) \ - { \ - free(result); \ - return NULL; \ - } \ - string_append(&result, enc_str); \ - free(enc_str); \ - string_append(&result, "}"); \ - } - -#define DEFINE_ACTION_MULTI(__name, __index) \ - if (action->multi_remove_all[__index]) \ - { \ - string_append(&result, "\n
-" __name); \ - } \ - else \ - { \ - lst = action->multi_remove[__index]->first; \ - while (lst) \ - { \ - string_append(&result, "\n
-" __name "{");\ - if (NULL == result) \ - { \ - return NULL; \ - } \ - enc_str = html_encode(lst->str); \ - if (NULL == enc_str) \ - { \ - free(result); \ - return NULL; \ - } \ - string_append(&result, enc_str); \ - free(enc_str); \ - string_append(&result, "}"); \ - lst = lst->next; \ - } \ - } \ - lst = action->multi_add[__index]->first; \ - while (lst) \ - { \ - string_append(&result, "\n
+" __name "{"); \ - if (NULL == result) \ - { \ - return NULL; \ - } \ - enc_str = html_encode(lst->str); \ - if (NULL == enc_str) \ - { \ - free(result); \ - return NULL; \ - } \ - string_append(&result, enc_str); \ - free(enc_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) - { - char * s = result; - result = strdup(result + 5); - free(s); - } - - return result; + memset(dest, '\0', sizeof(*dest)); } -#endif /* def FEATURE_CGI_EDIT_ACTIONS */ /********************************************************************* * - * Function : current_actions_to_text + * Function : merge_current_action * - * Description : Converts a actionsfile entry to text. + * Description : Merge two actions together. + * Similar to "dest += src". + * Differences between this and merge_actions() + * 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 "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) * * Parameters : - * 1 : action = Action + * 1 : dest = Current actions, to modify. + * 2 : src = Action to add. * - * Returns : A string. Caller must free it. - * NULL on out-of-memory error. + * Returns 0 : no error + * !=0 : error, probably JB_ERR_MEMORY. * *********************************************************************/ -char * current_action_to_text(struct current_action_spec *action) +jb_err merge_current_action (struct current_action_spec *dest, + const struct action_spec *src) { - unsigned long flags = action->flags; - char * result = strdup(""); - struct list_entry * lst; + int i; + jb_err err = JB_ERR_OK; -#define DEFINE_ACTION_BOOL(__name, __bit) \ - if (flags & __bit) \ - { \ - string_append(&result, " +" __name); \ - } \ - else \ - { \ - string_append(&result, " -" __name); \ - } - -#define DEFINE_ACTION_STRING(__name, __bit, __index) \ - if (flags & __bit) \ - { \ - string_append(&result, " +" __name "{"); \ - string_append(&result, action->string[__index]); \ - string_append(&result, "}"); \ - } \ - else \ - { \ - string_append(&result, " -" __name); \ - } - -#define DEFINE_ACTION_MULTI(__name, __index) \ - lst = action->multi[__index]->first; \ - if (lst == NULL) \ - { \ - string_append(&result, " -" __name); \ - } \ - else \ - { \ - while (lst) \ - { \ - string_append(&result, " +" __name "{"); \ - string_append(&result, 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; -} - - -/********************************************************************* - * - * Function : init_current_action - * - * Description : Zero out an action. - * - * Parameters : - * 1 : dest = An uninitialized current_action_spec. - * - * Returns : N/A - * - *********************************************************************/ -void init_current_action (struct current_action_spec *dest) -{ - memset(dest, '\0', sizeof(*dest)); - - dest->flags = ACTION_MOST_COMPATIBLE; -} - - -/********************************************************************* - * - * Function : init_action - * - * Description : Zero out an action. - * - * Parameters : - * 1 : dest = An uninitialized action_spec. - * - * Returns : N/A - * - *********************************************************************/ -void init_action (struct action_spec *dest) -{ - memset(dest, '\0', sizeof(*dest)); -} - - -/********************************************************************* - * - * Function : merge_current_action - * - * Description : Merge two actions together. - * Similar to "dest += src". - * Differences between this and merge_actions() - * 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 "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) - * - * Parameters : - * 1 : dest = Current actions, to modify. - * 2 : src = Action to add. - * - * Returns 0 : no error - * !=0 : error - * - *********************************************************************/ -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; + dest->flags &= src->mask; + dest->flags |= src->add; for (i = 0; i < ACTION_STRING_COUNT; i++) { @@ -1071,6 +817,33 @@ void free_current_action (struct current_action_spec *src) } +static struct file_list *current_actions_file = 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 @@ -1091,7 +864,7 @@ 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; @@ -1141,7 +914,6 @@ void free_alias_list(struct action_alias *alias_list) *********************************************************************/ int load_actions_file(struct client_state *csp) { - static struct file_list *current_actions_file = NULL; /* * Parser mode. @@ -1534,3 +1306,290 @@ int load_actions_file(struct client_state *csp) 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. + * 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; + + +#define DEFINE_ACTION_BOOL(__name, __bit) \ + if (!(mask & __bit)) \ + { \ + string_append(&result, " -" __name); \ + } \ + else if (add & __bit) \ + { \ + string_append(&result, " +" __name); \ + } + +#define DEFINE_ACTION_STRING(__name, __bit, __index) \ + if (!(mask & __bit)) \ + { \ + string_append(&result, " -" __name); \ + } \ + else if (add & __bit) \ + { \ + string_append(&result, " +" __name "{"); \ + string_append(&result, action->string[__index]); \ + string_append(&result, "}"); \ + } + +#define DEFINE_ACTION_MULTI(__name, __index) \ + if (action->multi_remove_all[__index]) \ + { \ + string_append(&result, " -" __name); \ + } \ + else \ + { \ + lst = action->multi_remove[__index]->first; \ + while (lst) \ + { \ + string_append(&result, " -" __name "{"); \ + string_append(&result, lst->str); \ + string_append(&result, "}"); \ + lst = lst->next; \ + } \ + } \ + lst = action->multi_add[__index]->first; \ + while (lst) \ + { \ + string_append(&result, " +" __name "{"); \ + string_append(&result, 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; +} + + +#ifdef FEATURE_CGI_EDIT_ACTIONS +/********************************************************************* + * + * Function : actions_to_html + * + * Description : Converts a actionsfile entry from numeric form + * ("mask" and "add") to a
-seperated HTML string. + * + * Parameters : + * 1 : mask = As from struct url_actions + * 2 : add = As from struct url_actions + * + * Returns : A string. Caller must free it. + * NULL on out-of-memory error. + * + *********************************************************************/ +char * actions_to_html(struct action_spec *action) +{ + unsigned mask = action->mask; + unsigned add = action->add; + char * result = strdup(""); + char * enc_str; + struct list_entry * lst; + + /* sanity - prevents "-feature +feature" */ + mask |= add; + + +#define DEFINE_ACTION_BOOL(__name, __bit) \ + if (!(mask & __bit)) \ + { \ + string_append(&result, "\n
-" __name); \ + } \ + else if (add & __bit) \ + { \ + string_append(&result, "\n
+" __name); \ + } + +#define DEFINE_ACTION_STRING(__name, __bit, __index) \ + if (!(mask & __bit)) \ + { \ + string_append(&result, "\n
-" __name); \ + } \ + else if (add & __bit) \ + { \ + string_append(&result, "\n
+" __name "{"); \ + if (NULL == result) \ + { \ + return NULL; \ + } \ + enc_str = html_encode(action->string[__index]);\ + if (NULL == enc_str) \ + { \ + free(result); \ + return NULL; \ + } \ + string_append(&result, enc_str); \ + free(enc_str); \ + string_append(&result, "}"); \ + } + +#define DEFINE_ACTION_MULTI(__name, __index) \ + if (action->multi_remove_all[__index]) \ + { \ + string_append(&result, "\n
-" __name); \ + } \ + else \ + { \ + lst = action->multi_remove[__index]->first; \ + while (lst) \ + { \ + string_append(&result, "\n
-" __name "{");\ + if (NULL == result) \ + { \ + return NULL; \ + } \ + enc_str = html_encode(lst->str); \ + if (NULL == enc_str) \ + { \ + free(result); \ + return NULL; \ + } \ + string_append(&result, enc_str); \ + free(enc_str); \ + string_append(&result, "}"); \ + lst = lst->next; \ + } \ + } \ + lst = action->multi_add[__index]->first; \ + while (lst) \ + { \ + string_append(&result, "\n
+" __name "{"); \ + if (NULL == result) \ + { \ + return NULL; \ + } \ + enc_str = html_encode(lst->str); \ + if (NULL == enc_str) \ + { \ + free(result); \ + return NULL; \ + } \ + string_append(&result, enc_str); \ + free(enc_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) + { + char * s = result; + result = strdup(result + 5); + free(s); + } + + return result; +} +#endif /* def FEATURE_CGI_EDIT_ACTIONS */ + + +/********************************************************************* + * + * Function : current_actions_to_text + * + * Description : Converts a actionsfile entry to text. + * + * Parameters : + * 1 : action = Action + * + * Returns : A string. Caller must free it. + * NULL on out-of-memory error. + * + *********************************************************************/ +char * current_action_to_text(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, " +" __name); \ + } \ + else \ + { \ + string_append(&result, " -" __name); \ + } + +#define DEFINE_ACTION_STRING(__name, __bit, __index) \ + if (flags & __bit) \ + { \ + string_append(&result, " +" __name "{"); \ + string_append(&result, action->string[__index]); \ + string_append(&result, "}"); \ + } \ + else \ + { \ + string_append(&result, " -" __name); \ + } + +#define DEFINE_ACTION_MULTI(__name, __index) \ + lst = action->multi[__index]->first; \ + if (lst == NULL) \ + { \ + string_append(&result, " -" __name); \ + } \ + else \ + { \ + while (lst) \ + { \ + string_append(&result, " +" __name "{"); \ + string_append(&result, 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; +}