diff options
| -rw-r--r-- | dbutil.c | 24 |
1 files changed, 17 insertions, 7 deletions
@@ -527,26 +527,36 @@ char * stripcontrol(const char * text) { * Returns DROPBEAR_SUCCESS or DROPBEAR_FAILURE */ int buf_readfile(buffer* buf, const char* filename) { - int fd; + int fd = -1; int len; int maxlen; + ret = DROPBEAR_FAILURE; fd = open(filename, O_RDONLY); if (fd < 0) { - close(fd); - return DROPBEAR_FAILURE; + goto out; } do { maxlen = buf->size - buf->pos; - len = read(fd, buf_getwriteptr(buf, maxlen), - maxlen); + len = read(fd, buf_getwriteptr(buf, maxlen), maxlen); + if (len < 0) { + if (errno == EINTR || errno == EAGAIN) { + continue; + } + goto out; + } buf_incrwritepos(buf, len); } while (len < maxlen && len > 0); - close(fd); - return DROPBEAR_SUCCESS; + ret = DROPBEAR_SUCCESS; + +out: + if (fd >= 0) { + m_close(fd); + } + return ret; } /* get a line from the file into buffer in the style expected for an |