diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sendf.c | 46 |
1 files changed, 32 insertions, 14 deletions
diff --git a/lib/sendf.c b/lib/sendf.c index 1538061e8..efb89f205 100644 --- a/lib/sendf.c +++ b/lib/sendf.c @@ -94,7 +94,6 @@ struct curl_slist *curl_slist_append(struct curl_slist *list, new_item->data = strdup(data); } if (new_item == NULL || new_item->data == NULL) { - fprintf(stderr, "Cannot allocate memory for QUOTE list.\n"); return NULL; } @@ -229,6 +228,7 @@ CURLcode Curl_write(struct connectdata *conn, int sockfd, ssize_t *written) { ssize_t bytes_written; + CURLcode retcode; (void)conn; #ifdef USE_SSLEAY @@ -244,13 +244,28 @@ CURLcode Curl_write(struct connectdata *conn, int sockfd, switch(err) { case SSL_ERROR_WANT_READ: case SSL_ERROR_WANT_WRITE: - /* this is basicly the EWOULDBLOCK equivalent */ + /* The operation did not complete; the same TLS/SSL I/O function + should be called again later. This is basicly an EWOULDBLOCK + equivalent. */ *written = 0; return CURLE_OK; case SSL_ERROR_SYSCALL: failf(conn->data, "SSL_write() returned SYSCALL, errno = %d\n", Curl_ourerrno()); return CURLE_SEND_ERROR; + case SSL_ERROR_SSL: + { + /* A failure in the SSL library occurred, usually a + protocol error. The OpenSSL error queue contains more + information on the error. */ + char error_buffer[120]; /* OpenSSL documents that this must be at least + 120 bytes long. */ + int sslerror = ERR_get_error(); + failf(conn->data, "SSL_write() error: %s\n", + ERR_error_string(sslerror, error_buffer)); + return CURLE_SEND_ERROR; + } + break; } /* a true error */ failf(conn->data, "SSL_write() return error %d\n", err); @@ -271,27 +286,30 @@ CURLcode Curl_write(struct connectdata *conn, int sockfd, } if(-1 == bytes_written) { int err = Curl_ourerrno(); -#ifdef WIN32 - if(WSAEWOULDBLOCK == err) + + if( +#ifdef WSAEWOULDBLOCK + /* This is how Windows does it */ + (WSAEWOULDBLOCK == err) #else - /* As pointed out by Christophe Demory on March 11 2003, errno - may be EWOULDBLOCK or on some systems EAGAIN when it returned - due to its inability to send off data without blocking. We - therefor treat both error codes the same here */ - if((EWOULDBLOCK == err) || (EAGAIN == err) || (EINTR == err)) + /* As pointed out by Christophe Demory on March 11 2003, errno + may be EWOULDBLOCK or on some systems EAGAIN when it returned + due to its inability to send off data without blocking. We + therefor treat both error codes the same here */ + (EWOULDBLOCK == err) || (EAGAIN == err) || (EINTR == err) #endif - { + ) /* this is just a case of EWOULDBLOCK */ - *written=0; - return CURLE_OK; - } + bytes_written=0; } #ifdef USE_SSLEAY } #endif *written = bytes_written; - return (-1 != bytes_written)?CURLE_OK:CURLE_SEND_ERROR; + retcode = (-1 != bytes_written)?CURLE_OK:CURLE_SEND_ERROR; + + return retcode; } /* client_write() sends data to the write callback(s) |