X-Git-Url: http://sjero.net/git/?p=wget;a=blobdiff_plain;f=src%2Fgnutls.c;h=dfff00cf5bf6e0ffc950fc55f885ddc466b9b726;hp=47c3f5d1272eb27754f18da49bed4fbdd7561281;hb=d23ce97885e46d191eec452d1786d97a781dcdbf;hpb=5bcd75d32fb1a08673cb1efd2b93daa872f4907c diff --git a/src/gnutls.c b/src/gnutls.c index 47c3f5d1..dfff00cf 100644 --- a/src/gnutls.c +++ b/src/gnutls.c @@ -58,7 +58,6 @@ as that of the covered work. */ preprocessor macro. */ static gnutls_certificate_credentials credentials; - bool ssl_init () { @@ -123,8 +122,9 @@ struct wgnutls_transport_context # define MIN(i, j) ((i) <= (j) ? (i) : (j)) #endif + static int -wgnutls_read (int fd, char *buf, int bufsize, void *arg) +wgnutls_read_timeout (int fd, char *buf, int bufsize, void *arg, double timeout) { #ifdef F_GETFL int flags = 0; @@ -132,35 +132,14 @@ wgnutls_read (int fd, char *buf, int bufsize, void *arg) int ret = 0; struct ptimer *timer; struct wgnutls_transport_context *ctx = arg; + int timed_out = 0; - if (ctx->peeklen) - { - /* If we have any peek data, simply return that. */ - int copysize = MIN (bufsize, ctx->peeklen); - memcpy (buf, ctx->peekbuf, copysize); - ctx->peeklen -= copysize; - if (ctx->peeklen != 0) - memmove (ctx->peekbuf, ctx->peekbuf + copysize, ctx->peeklen); - - return copysize; - } - - if (opt.read_timeout) + if (timeout) { #ifdef F_GETFL flags = fcntl (fd, F_GETFL, 0); if (flags < 0) - return ret; - - ret = fcntl (fd, F_SETFL, flags | O_NONBLOCK); - if (ret < 0) - return ret; -#else - /* XXX: Assume it was blocking before. */ - const int one = 1; - ret = ioctl (fd, FIONBIO, &one); - if (ret < 0) - return ret; + return flags; #endif timer = ptimer_new (); if (timer == 0) @@ -169,27 +148,83 @@ wgnutls_read (int fd, char *buf, int bufsize, void *arg) do { - do - ret = gnutls_record_recv (ctx->session, buf, bufsize); - while (ret == GNUTLS_E_INTERRUPTED || ret == GNUTLS_E_AGAIN); - } - while (opt.read_timeout == 0 || ptimer_measure (timer) < opt.read_timeout); + double next_timeout = timeout - ptimer_measure (timer); + if (timeout && next_timeout < 0) + break; - if (opt.read_timeout) - { - ptimer_destroy (timer); + ret = GNUTLS_E_AGAIN; + if (timeout == 0 || gnutls_record_check_pending (ctx->session) + || select_fd (fd, next_timeout, WAIT_FOR_READ)) + { + if (timeout) + { +#ifdef F_GETFL + ret = fcntl (fd, F_SETFL, flags | O_NONBLOCK); + if (ret < 0) + return ret; +#else + /* XXX: Assume it was blocking before. */ + const int one = 1; + ret = ioctl (fd, FIONBIO, &one); + if (ret < 0) + return ret; +#endif + } + + ret = gnutls_record_recv (ctx->session, buf, bufsize); + + if (timeout) + { + int status; #ifdef F_GETFL - ret = fcntl (fd, F_SETFL, flags); - if (ret < 0) - return ret; + status = fcntl (fd, F_SETFL, flags); + if (status < 0) + return status; #else - const int zero = 0; - ret = ioctl (fd, FIONBIO, &zero); - if (ret < 0) - return ret; + const int zero = 0; + status = ioctl (fd, FIONBIO, &zero); + if (status < 0) + return status; #endif + } + } + + timed_out = timeout && ptimer_measure (timer) >= timeout; } + while (ret == GNUTLS_E_INTERRUPTED || (ret == GNUTLS_E_AGAIN && !timed_out)); + + if (timeout) + ptimer_destroy (timer); + if (timeout && timed_out && ret == GNUTLS_E_AGAIN) + errno = ETIMEDOUT; + + return ret; +} + +static int +wgnutls_read (int fd, char *buf, int bufsize, void *arg) +{ +#ifdef F_GETFL + int flags = 0; +#endif + int ret = 0; + struct ptimer *timer; + struct wgnutls_transport_context *ctx = arg; + + if (ctx->peeklen) + { + /* If we have any peek data, simply return that. */ + int copysize = MIN (bufsize, ctx->peeklen); + memcpy (buf, ctx->peekbuf, copysize); + ctx->peeklen -= copysize; + if (ctx->peeklen != 0) + memmove (ctx->peekbuf, ctx->peekbuf + copysize, ctx->peeklen); + + return copysize; + } + + ret = wgnutls_read_timeout (fd, buf, bufsize, arg, opt.read_timeout); if (ret < 0) ctx->last_error = ret; @@ -235,9 +270,8 @@ wgnutls_peek (int fd, char *buf, int bufsize, void *arg) && select_fd (fd, 0.0, WAIT_FOR_READ) <= 0) read = 0; else - read = gnutls_record_recv (ctx->session, buf + offset, - bufsize - offset); - + read = wgnutls_read_timeout (fd, buf + offset, bufsize - offset, + ctx, opt.read_timeout); if (read < 0) { if (offset)