diff options
Diffstat (limited to 'pbx/pbx_config.c')
| -rw-r--r-- | pbx/pbx_config.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/pbx/pbx_config.c b/pbx/pbx_config.c index 0546bad88..a844cfc2b 100644 --- a/pbx/pbx_config.c +++ b/pbx/pbx_config.c @@ -1320,16 +1320,27 @@ static int handle_save_dialplan(int fd, int argc, char *argv[]) ast_get_extension_app(p)); } else { /* copy and replace '|' with ',' */ const char *sep, *cid; - char *tempdata; + char *tempdata = ""; char *s; const char *el = ast_get_extension_label(p); - char label[128]; + char label[128] = ""; - tempdata = ast_strdupa(ast_get_extension_app_data(p)); - - for (s = tempdata; *s; s++) { - if (*s == '|') - *s = ','; + s = ast_get_extension_app_data(p); + if (s) { + char *t; + tempdata = alloca(strlen(tempdata) * 2 + 1); + + for (t = tempdata; *s; s++, t++) { + if (*s == '|') + *t = ','; + else { + if (*s == ',') + *t++ = '\\'; + *t = *s; + } + } + /* Terminating NULL */ + *t = *s; } if (ast_get_extension_matchcid(p)) { @@ -1338,7 +1349,7 @@ static int handle_save_dialplan(int fd, int argc, char *argv[]) } else sep = cid = ""; - if (el && (snprintf(label, 127, "(%s)", el) != (strlen(el) + 2))) + if (el && (snprintf(label, sizeof(label), "(%s)", el) != (strlen(el) + 2))) incomplete = 1; /* error encountered or label > 125 chars */ fprintf(output, "exten => %s%s%s,%d%s,%s(%s)\n", |