func_base64.c File Reference

Use the base64 as functions. More...

#include "asterisk.h"
#include "asterisk/module.h"
#include "asterisk/pbx.h"
#include "asterisk/utils.h"
#include "asterisk/strings.h"

Include dependency graph for func_base64.c:

Go to the source code of this file.

Functions

static void __reg_module (void)
static void __unreg_module (void)
static int base64_buf_helper (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
static int base64_helper (struct ast_channel *chan, const char *cmd, char *data, char *buf, struct ast_str **str, ssize_t len)
static int base64_str_helper (struct ast_channel *chan, const char *cmd, char *data, struct ast_str **buf, ssize_t len)
static int load_module (void)
static int unload_module (void)

Variables

static struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "base64 encode/decode dialplan functions" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, .support_level = AST_MODULE_SUPPORT_CORE, }
static struct ast_module_infoast_module_info = &__mod_info
static struct ast_custom_function base64_decode_function
static struct ast_custom_function base64_encode_function


Detailed Description

Use the base64 as functions.

Definition in file func_base64.c.


Function Documentation

static void __reg_module ( void   )  [static]

Definition at line 159 of file func_base64.c.

static void __unreg_module ( void   )  [static]

Definition at line 159 of file func_base64.c.

static int base64_buf_helper ( struct ast_channel chan,
const char *  cmd,
char *  data,
char *  buf,
size_t  len 
) [static]

Definition at line 123 of file func_base64.c.

References base64_helper(), and NULL.

00125 {
00126    return base64_helper(chan, cmd, data, buf, NULL, len);
00127 }

static int base64_helper ( struct ast_channel chan,
const char *  cmd,
char *  data,
char *  buf,
struct ast_str **  str,
ssize_t  len 
) [static]

Definition at line 77 of file func_base64.c.

References ast_base64decode(), ast_base64encode(), ast_log, ast_str_buffer(), ast_str_make_space(), ast_str_size(), ast_str_strlen(), ast_str_update(), ast_strlen_zero, and LOG_WARNING.

Referenced by base64_buf_helper(), and base64_str_helper().

00079 {
00080    if (ast_strlen_zero(data)) {
00081       ast_log(LOG_WARNING, "Syntax: %s(<data>) - missing argument!\n", cmd);
00082       return -1;
00083    }
00084 
00085    if (cmd[7] == 'E') {
00086       if (buf) {
00087          ast_base64encode(buf, (unsigned char *) data, strlen(data), len);
00088       } else {
00089          if (len >= 0) {
00090             ast_str_make_space(str, len ? len : ast_str_strlen(*str) + strlen(data) * 4 / 3 + 2);
00091          }
00092          ast_base64encode(ast_str_buffer(*str) + ast_str_strlen(*str), (unsigned char *) data, strlen(data), ast_str_size(*str) - ast_str_strlen(*str));
00093          ast_str_update(*str);
00094       }
00095    } else {
00096       int decoded_len;
00097       if (buf) {
00098          decoded_len = ast_base64decode((unsigned char *) buf, data, len);
00099          /* add a terminating null at the end of buf, or at the
00100           * end of our decoded string, which ever is less */
00101          buf[decoded_len <= (len - 1) ? decoded_len : len - 1] = '\0';
00102       } else {
00103          if (len >= 0) {
00104             ast_str_make_space(str, len ? len : ast_str_strlen(*str) + strlen(data) * 3 / 4 + 2);
00105          }
00106          decoded_len = ast_base64decode((unsigned char *) ast_str_buffer(*str) + ast_str_strlen(*str), data, ast_str_size(*str) - ast_str_strlen(*str));
00107          if (len)
00108             /* add a terminating null at the end of our
00109              * buffer, or at the end of our decoded string,
00110              * which ever is less */
00111             ast_str_buffer(*str)[decoded_len <= (len - 1) ? decoded_len : len - 1] = '\0';
00112          else
00113             /* space for the null is allocated above */
00114             ast_str_buffer(*str)[decoded_len] = '\0';
00115 
00116          ast_str_update(*str);
00117       }
00118    }
00119 
00120    return 0;
00121 }

static int base64_str_helper ( struct ast_channel chan,
const char *  cmd,
char *  data,
struct ast_str **  buf,
ssize_t  len 
) [static]

Definition at line 129 of file func_base64.c.

References base64_helper(), and NULL.

00131 {
00132    return base64_helper(chan, cmd, data, NULL, buf, len);
00133 }

static int load_module ( void   )  [static]

static int unload_module ( void   )  [static]


Variable Documentation

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "base64 encode/decode dialplan functions" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, .support_level = AST_MODULE_SUPPORT_CORE, } [static]

Definition at line 159 of file func_base64.c.

Definition at line 159 of file func_base64.c.

Initial value:

 {
   .name = "BASE64_DECODE",
   .read = base64_buf_helper,
   .read2 = base64_str_helper,
}

Definition at line 141 of file func_base64.c.

Initial value:

 {
   .name = "BASE64_ENCODE",
   .read = base64_buf_helper,
   .read2 = base64_str_helper,
}

Definition at line 135 of file func_base64.c.


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