diff --git a/include/asterisk/term.h b/include/asterisk/term.h index f3c41d8eb9d49c04306bfc7436870add100c3d9e..3b454ce2c406d0fa0e9ac7c965076e465cf2345b 100644 --- a/include/asterisk/term.h +++ b/include/asterisk/term.h @@ -59,6 +59,8 @@ char *term_color_code(char *outbuf, int fgcolor, int bgcolor, int maxout); char *term_strip(char *outbuf, char *inbuf, int maxout); +void term_filter_escapes(char *line); + char *term_prompt(char *outbuf, const char *inbuf, int maxout); char *term_prep(void); diff --git a/main/logger.c b/main/logger.c index 95a768dbd9634ec2a0327f231dd169a762731346..660fb2f741e303c888d0450a88554b2b3bc8036b 100644 --- a/main/logger.c +++ b/main/logger.c @@ -716,8 +716,10 @@ void ast_log(int level, const char *file, int line, const char *function, const va_start(ap, fmt); res = ast_dynamic_str_thread_set_va(&buf, BUFSIZ, &log_buf, fmt, ap); va_end(ap); - if (res != AST_DYNSTR_BUILD_FAILED) + if (res != AST_DYNSTR_BUILD_FAILED) { + term_filter_escapes(buf->str); fputs(buf->str, stdout); + } } return; } @@ -781,7 +783,8 @@ void ast_log(int level, const char *file, int line, const char *function, const term_color(tmp2, file, COLOR_BRWHITE, 0, sizeof(tmp2)), term_color(tmp3, linestr, COLOR_BRWHITE, 0, sizeof(tmp3)), term_color(tmp4, function, COLOR_BRWHITE, 0, sizeof(tmp4))); - + /*filter to the console!*/ + term_filter_escapes(buf->str); ast_console_puts_mutable(buf->str); va_start(ap, fmt); @@ -892,6 +895,9 @@ void ast_verbose(const char *fmt, ...) if (res == AST_DYNSTR_BUILD_FAILED) return; + + /* filter out possibly hazardous escape sequences */ + term_filter_escapes(buf->str); AST_LIST_LOCK(&verbosers); AST_LIST_TRAVERSE(&verbosers, v, list) diff --git a/main/term.c b/main/term.c index a38399eda4a0617d560c70b730353df099eb4e1c..e92a27077f2bf4727d9afd0e428a9b7fe203e001 100644 --- a/main/term.c +++ b/main/term.c @@ -264,6 +264,34 @@ char *term_prompt(char *outbuf, const char *inbuf, int maxout) return outbuf; } + +/* filter escape sequences */ +void term_filter_escapes(char *line) + { + int i; + + for (i=0; i < strlen(line); i++) { + if (line[i] == ESC) { + if (line[i+1] == '\x5b') { + switch (line[i+2]) { + case '\x30': + break; + case '\x31': + break; + case '\x33': + break; + default: + /* replace ESC with a space */ + line[i] = ' '; + } + } else { + /* replace ESC with a space */ + line[i] = ' '; + } + } + } + } + char *term_prep(void) { return prepdata;