diff options
author | Yang Gao <yangg@google.com> | 2015-02-05 13:19:52 -0800 |
---|---|---|
committer | Yang Gao <yangg@google.com> | 2015-02-05 13:19:52 -0800 |
commit | f229d4fd4d055e70793ecc24323e128c4e6acd3f (patch) | |
tree | 8d30472697faf75025321fc16cbe39efa95d19f7 /src/core/support/file_posix.c | |
parent | ee6c4fb3887d3a9622c2d84398ce5e27f8a48bd0 (diff) | |
parent | 5f925a95c19514e6ad7d387d37ce63f1948a88de (diff) |
Merge pull request #359 from jboeuf/ssl_default_creds_integration
Adding support for loading the SSL roots from an environment variable.
Diffstat (limited to 'src/core/support/file_posix.c')
-rw-r--r-- | src/core/support/file_posix.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/core/support/file_posix.c b/src/core/support/file_posix.c new file mode 100644 index 0000000000..21a985012e --- /dev/null +++ b/src/core/support/file_posix.c @@ -0,0 +1,97 @@ +/* + * + * Copyright 2014, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +/* Posix code for gpr fdopen and mkstemp support. */ + +#if !defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 200112L +#undef _POSIX_C_SOURCE +#define _POSIX_C_SOURCE 200112L +#endif + +/* Don't know why I have to do this for mkstemp, looks like _POSIX_C_SOURCE + should be enough... */ +#ifndef _BSD_SOURCE +#define _BSD_SOURCE +#endif + +#include <grpc/support/port_platform.h> + +#ifdef GPR_POSIX_FILE + +#include "src/core/support/file.h" + +#include <errno.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <grpc/support/alloc.h> +#include <grpc/support/log.h> + +#include "src/core/support/string.h" + +FILE *gpr_tmpfile(const char *prefix, char **tmp_filename) { + FILE *result = NULL; + char *template; + int fd; + + if (tmp_filename != NULL) *tmp_filename = NULL; + + gpr_asprintf(&template, "%s_XXXXXX", prefix); + GPR_ASSERT(template != NULL); + + fd = mkstemp(template); + if (fd == -1) { + gpr_log(GPR_ERROR, "mkstemp failed for template %s with error %s.", + template, strerror(errno)); + goto end; + } + result = fdopen(fd, "w+"); + if (result == NULL) { + gpr_log(GPR_ERROR, "Could not open file %s from fd %d (error = %s).", + template, fd, strerror(errno)); + unlink(template); + close(fd); + goto end; + } + +end: + if (result != NULL && tmp_filename != NULL) { + *tmp_filename = template; + } else { + gpr_free(template); + } + return result; +} + +#endif /* GPR_POSIX_FILE */ |