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make jumping optional, make an exit status var, use args parsing macros (issue #5628)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6988 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2005-11-06 22:02:18 +00:00
parent 7d4a5abb1d
commit e4ce764744
1 changed files with 42 additions and 21 deletions
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63
apps/app_md5.c
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@@ -39,6 +39,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/lock.h"
#include "asterisk/app.h"
static char *tdesc_md5 = "MD5 checksum applications";
static char *app_md5 = "MD5";
@@ -50,9 +51,13 @@ static char *synopsis_md5 =
static char *app_md5check = "MD5Check";
static char *desc_md5check = "Check MD5 checksum";
static char *synopsis_md5check =
" MD5Check(<md5hash>,<string>): Calculates a MD5 checksum on <string>\n"
" MD5Check(<md5hash>|<string>[|options]): Calculates a MD5 checksum on <string>\n"
"and compares it with the hash. Returns 0 if <md5hash> is correct for <string>.\n"
"Jumps to priority+101 if incorrect.\n";
"The option string may contain zero or more of the following characters:\n"
" 'j' -- jump to priority n+101 if the hash and string do not match \n"
"This application sets the following channel variable upon completion:\n"
" CHECKMD5STATUS The status of the MD5 check, one of the following\n"
" MATCH | NOMATCH\n";
STANDARD_LOCAL_USER;
@@ -101,44 +106,60 @@ static int md5check_exec(struct ast_channel *chan, void *data)
{
int res=0;
struct localuser *u;
char *hash= NULL; /* Hash to compare with */
char *string = NULL; /* String to calculate on */
char newhash[50]; /* Return value */
static int dep_warning = 0;
int priority_jump = 0;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(md5hash);
AST_APP_ARG(string);
AST_APP_ARG(options);
);
if (!dep_warning) {
ast_log(LOG_WARNING, "This application has been deprecated, please use the CHECK_MD5 function instead.\n");
dep_warning = 1;
}
if (ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "Syntax: MD5Check(<md5hash>,<string>) - missing argument!\n");
return -1;
}
LOCAL_USER_ADD(u);
memset(newhash,0, sizeof(newhash));
string = ast_strdupa(data);
hash = strsep(&string,"|");
if (ast_strlen_zero(hash)) {
ast_log(LOG_WARNING, "Syntax: MD5Check(<md5hash>,<string>) - missing argument!\n");
if (!(string = ast_strdupa(data))) {
ast_log(LOG_WARNING, "Memory Error!\n");
LOCAL_USER_REMOVE(u);
return -1;
}
ast_md5_hash(newhash, string);
if (!strcmp(newhash, hash)) { /* Verification ok */
AST_STANDARD_APP_ARGS(args, string);
if (args.options) {
if (strchr(args.options, 'j'))
priority_jump = 1;
}
if (ast_strlen_zero(args.md5hash) || ast_strlen_zero(args.string)) {
ast_log(LOG_WARNING, "Syntax: MD5Check(<md5hash>|<string>[|options]) - missing argument!\n");
LOCAL_USER_REMOVE(u);
return -1;
}
memset(newhash,0, sizeof(newhash));
ast_md5_hash(newhash, args.string);
if (!strcmp(newhash, args.md5hash)) { /* Verification ok */
if (option_debug > 2)
ast_log(LOG_DEBUG, "MD5 verified ok: %s -- %s\n", hash, string);
ast_log(LOG_DEBUG, "MD5 verified ok: %s -- %s\n", args.md5hash, args.string);
pbx_builtin_setvar_helper(chan, "CHECKMD5STATUS", "MATCH");
LOCAL_USER_REMOVE(u);
return 0;
}
if (option_debug > 2)
ast_log(LOG_DEBUG, "ERROR: MD5 not verified: %s -- %s\n", hash, string);
if (!ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101))
if (option_debug > 2)
ast_log(LOG_DEBUG, "ERROR: Can't jump to exten+101 (e%s,p%d), sorry\n", chan->exten,chan->priority+101);
ast_log(LOG_DEBUG, "ERROR: MD5 not verified: %s -- %s\n", args.md5hash, args.string);
pbx_builtin_setvar_helper(chan, "CHECKMD5STATUS", "NOMATCH");
if (priority_jump || option_priority_jumping) {
if (!ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101))
if (option_debug > 2)
ast_log(LOG_DEBUG, "ERROR: Can't jump to exten+101 (e%s,p%d), sorry\n", chan->exten,chan->priority+101);
}
LOCAL_USER_REMOVE(u);
return res;
}