diff options
Diffstat (limited to 'assuan/assuan-buffer.c')
| -rw-r--r-- | assuan/assuan-buffer.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/assuan/assuan-buffer.c b/assuan/assuan-buffer.c index da6b201e4..4509f74eb 100644 --- a/assuan/assuan-buffer.c +++ b/assuan/assuan-buffer.c @@ -241,23 +241,31 @@ AssuanError assuan_write_line (ASSUAN_CONTEXT ctx, const char *line ) { int rc; - + size_t len; + const char *s; + if (!ctx) return ASSUAN_Invalid_Value; - /* fixme: we should do some kind of line buffering */ + /* Make sure that we never take a LF from the user - this might + violate the protocol. */ + s = strchr (line, '\n'); + len = s? (s-line) : strlen (line); + + /* fixme: we should do some kind of line buffering. */ if (ctx->log_fp) { fprintf (ctx->log_fp, "%s[%p] -> ", my_log_prefix (), ctx); + if (s) + fputs ("[supplied line contained a LF]", ctx->log_fp); if (ctx->confidential) fputs ("[Confidential data not shown]", ctx->log_fp); else - _assuan_log_print_buffer (ctx->log_fp, - line, strlen (line)); + _assuan_log_print_buffer (ctx->log_fp, line, len); putc ('\n', ctx->log_fp); } - rc = writen (ctx->outbound.fd, line, strlen(line)); + rc = writen (ctx->outbound.fd, line, len); if (rc) rc = ASSUAN_Write_Error; if (!rc) |