585 lines
15 KiB
C
585 lines
15 KiB
C
/*
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* XXX this file probably need a fair amount of cleanup, at the very least:
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*
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* - documenting its purpose;
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* - removing all unnecessary headers and other stuff from the sources
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* it was copied from;
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* - fixing the formatting
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*/
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#include "asterisk.h"
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#include <locale.h>
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#include <ctype.h>
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#include <regex.h>
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#include <limits.h>
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/channel.h"
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#include "asterisk/ast_expr.h"
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#include "asterisk/module.h"
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#include "asterisk/app.h"
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#include "asterisk/ael_structs.h"
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#include "asterisk/extconf.h"
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/*** MODULEINFO
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<depend>res_ael_share</depend>
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***/
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struct namelist
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{
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char name[100];
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char name2[100];
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struct namelist *next;
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};
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struct ast_context
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{
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int extension_count;
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char name[100];
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char registrar[100];
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struct namelist *includes;
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struct namelist *ignorepats;
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struct namelist *switches;
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struct namelist *eswitches;
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struct namelist *includes_last;
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struct namelist *ignorepats_last;
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struct namelist *switches_last;
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struct namelist *eswitches_last;
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struct ast_context *next;
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};
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#define ADD_LAST(headptr,memptr) if(!headptr){ headptr=(memptr); (headptr##_last)=(memptr);} else {(headptr##_last)->next = (memptr); (headptr##_last) = (memptr);}
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void destroy_namelist(struct namelist *x);
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void destroy_namelist(struct namelist *x)
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{
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struct namelist *z,*z2;
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for(z=x; z; z = z2)
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{
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z2 = z->next;
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z->next = 0;
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free(z);
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}
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}
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struct namelist *create_name(const char *name);
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struct namelist *create_name(const char *name)
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{
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struct namelist *x = calloc(1, sizeof(*x));
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if (!x)
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return NULL;
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strncpy(x->name, name, sizeof(x->name) - 1);
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return x;
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}
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struct ast_context *context_list;
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struct ast_context *last_context;
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struct namelist *globalvars;
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struct namelist *globalvars_last;
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int conts=0, extens=0, priors=0;
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char last_exten[18000];
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static char config_dir[PATH_MAX];
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static char var_dir[PATH_MAX];
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const char *ast_config_AST_CONFIG_DIR = config_dir;
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const char *ast_config_AST_VAR_DIR = var_dir;
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void ast_cli_register_multiple(void);
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int ast_add_extension2(struct ast_context *con,
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int replace, const char *extension, int priority, const char *label, const char *callerid,
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const char *application, void *data, void (*datad)(void *),
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const char *registrar);
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void pbx_builtin_setvar(void *chan, void *data);
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struct ast_context * ast_context_create(void **extcontexts, const char *name, const char *registrar);
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struct ast_context * ast_context_find_or_create(void **extcontexts, const char *name, const char *registrar);
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void ast_context_add_ignorepat2(struct ast_context *con, const char *value, const char *registrar);
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void ast_context_add_include2(struct ast_context *con, const char *value, const char *registrar);
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void ast_context_add_switch2(struct ast_context *con, const char *value, const char *data, int eval, const char *registrar);
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void ast_merge_contexts_and_delete(void);
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void ast_context_verify_includes(void);
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struct ast_context * ast_walk_contexts(void);
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void ast_cli_unregister_multiple(void);
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void ast_context_destroy(void);
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void ast_log(int level, const char *file, int line, const char *function, const char *fmt, ...);
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char *ast_process_quotes_and_slashes(char *start, char find, char replace_with);
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void ast_verbose(const char *fmt, ...);
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struct ast_app *pbx_findapp(const char *app);
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void filter_leading_space_from_exprs(char *str);
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void filter_newlines(char *str);
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static int quiet = 0;
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static int no_comp = 0;
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static int use_curr_dir = 0;
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static int dump_extensions = 0;
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static int FIRST_TIME = 0;
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static FILE *dumpfile;
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void ast_log(int level, const char *file, int line, const char *function, const char *fmt, ...)
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{
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va_list vars;
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va_start(vars,fmt);
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printf("LOG: lev:%d file:%s line:%d func: %s ",
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level, file, line, function);
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vprintf(fmt, vars);
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fflush(stdout);
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va_end(vars);
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}
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struct ast_exten *pbx_find_extension(struct ast_channel *chan,
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struct ast_context *bypass,
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struct pbx_find_info *q,
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const char *context,
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const char *exten,
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int priority,
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const char *label,
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const char *callerid,
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enum ext_match_t action);
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struct ast_exten *pbx_find_extension(struct ast_channel *chan,
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struct ast_context *bypass,
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struct pbx_find_info *q,
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const char *context,
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const char *exten,
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int priority,
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const char *label,
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const char *callerid,
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enum ext_match_t action)
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{
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return localized_find_extension(bypass, q, context, exten, priority, label, callerid, action);
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}
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struct ast_app *pbx_findapp(const char *app)
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{
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return (struct ast_app*)1; /* so as not to trigger an error */
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}
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struct ast_custom_function *ast_custom_function_find(const char *name);
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struct ast_custom_function *ast_custom_function_find(const char *name)
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{
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return 0; /* in "standalone" mode, functions are just not avail */
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}
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void ast_register_file_version(const char *file, const char *version)
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{
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}
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void ast_unregister_file_version(const char *file)
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{
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}
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int ast_add_profile(const char *x, uint64_t scale)
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{
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if (!no_comp)
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printf("Executed ast_add_profile();\n");
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return 0;
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}
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int ast_loader_register(int (*updater)(void))
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{
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return 1;
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}
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int ast_loader_unregister(int (*updater)(void))
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{
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return 1;
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}
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void ast_module_register(const struct ast_module_info *x)
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{
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}
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void ast_module_unregister(const struct ast_module_info *x)
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{
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}
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void ast_cli_register_multiple(void)
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{
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if(!no_comp)
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printf("Executed ast_cli_register_multiple();\n");
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}
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void pbx_substitute_variables_helper(struct ast_channel *c,const char *cp1,char *cp2,int count);
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void pbx_substitute_variables_helper(struct ast_channel *c,const char *cp1,char *cp2,int count)
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{
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if (cp1 && *cp1)
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strncpy(cp2,cp1,AST_MAX_EXTENSION); /* Right now, this routine is ONLY being called for
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a possible var substitution on extension names,
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so....! */
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else
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*cp2 = 0;
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}
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int ast_add_extension2(struct ast_context *con,
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int replace, const char *extension, int priority, const char *label, const char *callerid,
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const char *application, void *data, void (*datad)(void *),
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const char *registrar)
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{
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priors++;
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con->extension_count++;
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if (strcmp(extension,last_exten) != 0) {
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extens++;
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strcpy(last_exten, extension);
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}
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if (!label) {
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label = "(null)";
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}
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if (!callerid) {
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callerid = "(null)";
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}
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if (!application) {
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application = "(null)";
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}
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if(!no_comp)
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printf("Executed ast_add_extension2(context=%s, rep=%d, exten=%s, priority=%d, label=%s, callerid=%s, appl=%s, data=%s, FREE, registrar=%s);\n",
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con->name, replace, extension, priority, label, callerid, application, (data?(char*)data:"(null)"), registrar);
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if( dump_extensions && dumpfile ) {
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struct namelist *n;
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char *data2,*data3=0;
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int commacount = 0;
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if( FIRST_TIME ) {
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FIRST_TIME = 0;
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if( globalvars )
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fprintf(dumpfile,"[globals]\n");
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for(n=globalvars;n;n=n->next) {
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fprintf(dumpfile, "%s\n", n->name);
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}
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}
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/* print out each extension , possibly the context header also */
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if( con != last_context ) {
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fprintf(dumpfile,"\n\n[%s]\n", con->name);
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last_context = con;
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for(n=con->ignorepats;n;n=n->next) {
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fprintf(dumpfile, "ignorepat => %s\n", n->name);
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}
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for(n=con->includes;n;n=n->next) {
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fprintf(dumpfile, "include => %s\n", n->name);
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}
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for(n=con->switches;n;n=n->next) {
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fprintf(dumpfile, "switch => %s/%s\n", n->name, n->name2);
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}
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for(n=con->eswitches;n;n=n->next) {
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fprintf(dumpfile, "eswitch => %s/%s\n", n->name, n->name2);
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}
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}
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if( data ) {
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filter_newlines((char*)data);
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filter_leading_space_from_exprs((char*)data);
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/* compiling turns commas into vertical bars in the app data, and also removes the backslash from before escaped commas;
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we have to restore the escaping backslash in front of any commas; the vertical bars are OK to leave as-is */
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for (data2 = data; *data2; data2++) {
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if (*data2 == ',')
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commacount++; /* we need to know how much bigger the string will grow-- one backslash for each comma */
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}
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if (commacount)
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{
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char *d3,*d4;
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data2 = (char*)malloc(strlen(data)+commacount+1);
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data3 = data;
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d3 = data;
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d4 = data2;
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while (*d3) {
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if (*d3 == ',') {
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*d4++ = '\\'; /* put a backslash in front of each comma */
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*d4++ = *d3++;
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} else
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*d4++ = *d3++; /* or just copy the char */
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}
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*d4++ = 0; /* cap off the new string */
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data = data2;
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} else
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data2 = 0;
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if( strcmp(label,"(null)") != 0 )
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fprintf(dumpfile,"exten => %s,%d(%s),%s(%s)\n", extension, priority, label, application, (char*)data);
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else
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fprintf(dumpfile,"exten => %s,%d,%s(%s)\n", extension, priority, application, (char*)data);
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if (data2) {
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free(data2);
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data2 = 0;
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data = data3; /* restore data to pre-messedup state */
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}
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} else {
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if( strcmp(label,"(null)") != 0 )
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fprintf(dumpfile,"exten => %s,%d(%s),%s\n", extension, priority, label, application);
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else
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fprintf(dumpfile,"exten => %s,%d,%s\n", extension, priority, application);
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}
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}
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/* since add_extension2 is responsible for the malloc'd data stuff */
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if( data )
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free(data);
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return 0;
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}
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void pbx_builtin_setvar(void *chan, void *data)
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{
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struct namelist *x = create_name(data);
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if(!no_comp)
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printf("Executed pbx_builtin_setvar(chan, data=%s);\n", (char*)data);
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if( dump_extensions ) {
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x = create_name(data);
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ADD_LAST(globalvars,x);
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}
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}
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struct ast_context * ast_context_create(void **extcontexts, const char *name, const char *registrar)
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{
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struct ast_context *x = calloc(1, sizeof(*x));
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if (!x)
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return NULL;
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x->next = context_list;
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context_list = x;
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if (!no_comp)
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printf("Executed ast_context_create(conts, name=%s, registrar=%s);\n", name, registrar);
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conts++;
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strncpy(x->name, name, sizeof(x->name) - 1);
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strncpy(x->registrar, registrar, sizeof(x->registrar) - 1);
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return x;
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}
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struct ast_context * ast_context_find_or_create(void **extcontexts, const char *name, const char *registrar)
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{
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struct ast_context *x = calloc(1, sizeof(*x));
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if (!x)
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return NULL;
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x->next = context_list;
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context_list = x;
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if (!no_comp)
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printf("Executed ast_context_find_or_create(conts, name=%s, registrar=%s);\n", name, registrar);
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conts++;
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strncpy(x->name, name, sizeof(x->name) - 1);
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strncpy(x->registrar, registrar, sizeof(x->registrar) - 1);
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return x;
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}
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void ast_context_add_ignorepat2(struct ast_context *con, const char *value, const char *registrar)
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{
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if(!no_comp)
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printf("Executed ast_context_add_ignorepat2(con, value=%s, registrar=%s);\n", value, registrar);
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if( dump_extensions ) {
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struct namelist *x;
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x = create_name(value);
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ADD_LAST(con->ignorepats,x);
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}
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}
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void ast_context_add_include2(struct ast_context *con, const char *value, const char *registrar)
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{
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if(!no_comp)
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printf("Executed ast_context_add_include2(con, value=%s, registrar=%s);\n", value, registrar);
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if( dump_extensions ) {
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struct namelist *x;
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x = create_name((char*)value);
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ADD_LAST(con->includes,x);
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}
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}
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void ast_context_add_switch2(struct ast_context *con, const char *value, const char *data, int eval, const char *registrar)
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{
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if(!no_comp)
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printf("Executed ast_context_add_switch2(con, value=%s, data=%s, eval=%d, registrar=%s);\n", value, data, eval, registrar);
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if( dump_extensions ) {
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struct namelist *x;
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x = create_name((char*)value);
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strncpy(x->name2,data,100);
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if( eval ) {
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ADD_LAST(con->switches,x);
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} else {
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ADD_LAST(con->eswitches,x);
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}
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}
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}
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void ast_merge_contexts_and_delete(void)
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{
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if(!no_comp)
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printf("Executed ast_merge_contexts_and_delete();\n");
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}
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void ast_context_verify_includes(void)
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{
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if(!no_comp)
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printf("Executed ast_context_verify_includes();\n");
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}
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struct ast_context * ast_walk_contexts(void)
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{
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if(!no_comp)
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printf("Executed ast_walk_contexts();\n");
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return 0;
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}
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void ast_cli_unregister_multiple(void)
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{
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if(!no_comp)
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printf("Executed ast_cli_unregister_multiple();\n");
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}
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void ast_context_destroy(void)
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{
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if( !no_comp)
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printf("Executed ast_context_destroy();\n");
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}
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void filter_leading_space_from_exprs(char *str)
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{
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/* Mainly for aesthetics */
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char *t, *v, *u = str;
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while ( u && *u ) {
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if( *u == '$' && *(u+1) == '[' ) {
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t = u+2;
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while( *t == '\n' || *t == '\r' || *t == '\t' || *t == ' ' ) {
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v = t;
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while ( *v ) {
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*v = *(v+1);
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v++;
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}
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}
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}
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u++;
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}
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}
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void filter_newlines(char *str)
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{
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/* remove all newlines, returns */
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char *t=str;
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while( t && *t ) {
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if( *t == '\n' || *t == '\r' ) {
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*t = ' '; /* just replace newlines and returns with spaces; they act as
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token separators, and just blindly removing them could be
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harmful. */
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}
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t++;
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}
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}
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extern struct module_symbols mod_data;
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int ael_external_load_module(void);
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int main(int argc, char **argv)
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{
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int i;
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struct namelist *n;
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struct ast_context *lp,*lp2;
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for(i=1;i<argc;i++) {
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if( argv[i][0] == '-' && argv[i][1] == 'n' )
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no_comp =1;
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if( argv[i][0] == '-' && argv[i][1] == 'q' ) {
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quiet = 1;
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no_comp =1;
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}
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if( argv[i][0] == '-' && argv[i][1] == 'd' )
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use_curr_dir =1;
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if( argv[i][0] == '-' && argv[i][1] == 'w' )
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dump_extensions =1;
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}
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if( !quiet ) {
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printf("\n(If you find progress and other non-error messages irritating, you can use -q to suppress them)\n");
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if( !no_comp )
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printf("\n(You can use the -n option if you aren't interested in seeing all the instructions generated by the compiler)\n\n");
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if( !use_curr_dir )
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printf("\n(You can use the -d option if you want to use the current working directory as the CONFIG_DIR. I will look in this dir for extensions.ael* and its included files)\n\n");
|
|
if( !dump_extensions )
|
|
printf("\n(You can use the -w option to dump extensions.conf format to extensions.conf.aeldump)\n");
|
|
}
|
|
|
|
if( use_curr_dir ) {
|
|
strcpy(config_dir, ".");
|
|
localized_use_local_dir();
|
|
}
|
|
else {
|
|
strcpy(config_dir, "/etc/asterisk");
|
|
localized_use_conf_dir();
|
|
}
|
|
strcpy(var_dir, "/var/lib/asterisk");
|
|
|
|
if( dump_extensions ) {
|
|
dumpfile = fopen("extensions.conf.aeldump","w");
|
|
if( !dumpfile ) {
|
|
printf("\n\nSorry, cannot open extensions.conf.aeldump for writing! Correct the situation and try again!\n\n");
|
|
exit(10);
|
|
}
|
|
|
|
}
|
|
|
|
FIRST_TIME = 1;
|
|
|
|
ael_external_load_module();
|
|
|
|
ast_log(4, "ael2_parse", __LINE__, "main", "%d contexts, %d extensions, %d priorities\n", conts, extens, priors);
|
|
|
|
if( dump_extensions && dumpfile ) {
|
|
|
|
for( lp = context_list; lp; lp = lp->next ) { /* print out any contexts that didn't have any
|
|
extensions in them */
|
|
if( lp->extension_count == 0 ) {
|
|
|
|
fprintf(dumpfile,"\n\n[%s]\n", lp->name);
|
|
|
|
for(n=lp->ignorepats;n;n=n->next) {
|
|
fprintf(dumpfile, "ignorepat => %s\n", n->name);
|
|
}
|
|
for(n=lp->includes;n;n=n->next) {
|
|
fprintf(dumpfile, "include => %s\n", n->name);
|
|
}
|
|
for(n=lp->switches;n;n=n->next) {
|
|
fprintf(dumpfile, "switch => %s/%s\n", n->name, n->name2);
|
|
}
|
|
for(n=lp->eswitches;n;n=n->next) {
|
|
fprintf(dumpfile, "eswitch => %s/%s\n", n->name, n->name2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if( dump_extensions && dumpfile )
|
|
fclose(dumpfile);
|
|
|
|
for( lp = context_list; lp; lp = lp2 ) { /* free the ast_context structs */
|
|
lp2 = lp->next;
|
|
lp->next = 0;
|
|
|
|
destroy_namelist(lp->includes);
|
|
destroy_namelist(lp->ignorepats);
|
|
destroy_namelist(lp->switches);
|
|
destroy_namelist(lp->eswitches);
|
|
|
|
free(lp);
|
|
}
|
|
|
|
return 0;
|
|
}
|