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https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git
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c44b49db6f
We write lease files for internal DHCP client ("systemd" and "nettools")
in a systemd-specific format. We want to drop systemd code, so we need
to have our own parsing code.
Granted, nettools only writes a single "ADDRESS=" line, so parsing that
would be easy. On the other hand, systemd's parser is not complicated
either (in particular, if we can steal their implementation). Also, it's
a commonly used format in systemd, so having the parser would allow us
to parse similar formats.
Also, we could opt to choose that format, where it makes sense.
91 lines
3.5 KiB
C
91 lines
3.5 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2018 Red Hat, Inc.
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*/
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#ifndef __NM_IO_UTILS_H__
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#define __NM_IO_UTILS_H__
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#include "nm-macros-internal.h"
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/*****************************************************************************/
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/**
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* NMUtilsFileGetContentsFlags:
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* @NM_UTILS_FILE_GET_CONTENTS_FLAG_NONE: no flag
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* @NM_UTILS_FILE_GET_CONTENTS_FLAG_SECRET: if present, ensure that no
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* data is left in memory. Essentially, it means to call nm_explicit_bzero()
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* to not leave key material on the heap (when reading secrets).
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*/
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typedef enum {
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NM_UTILS_FILE_GET_CONTENTS_FLAG_NONE = 0,
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NM_UTILS_FILE_GET_CONTENTS_FLAG_SECRET = (1 << 0),
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} NMUtilsFileGetContentsFlags;
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gboolean nm_utils_fd_get_contents(int fd,
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gboolean close_fd,
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gsize max_length,
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NMUtilsFileGetContentsFlags flags,
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char **contents,
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gsize *length,
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int *out_errsv,
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GError **error);
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gboolean nm_utils_file_get_contents(int dirfd,
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const char *filename,
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gsize max_length,
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NMUtilsFileGetContentsFlags flags,
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char **contents,
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gsize *length,
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int *out_errsv,
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GError **error);
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gboolean nm_utils_file_set_contents(const char *filename,
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const char *contents,
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gssize length,
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mode_t mode,
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const struct timespec *times,
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int *out_errsv,
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GError **error);
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struct _NMStrBuf;
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gssize nm_utils_fd_read(int fd, struct _NMStrBuf *out_string);
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struct stat;
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int nm_utils_file_stat(const char *filename, struct stat *out_st);
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void nm_g_subprocess_terminate_in_background(GSubprocess *subprocess, int timeout_msec_before_kill);
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char **nm_utils_find_mkstemp_files(const char *dirname, const char *filename);
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static inline gboolean
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nm_io_sockaddr_un_path_is_abstract(const char *path, const char **out_path)
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{
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if (path && path[0] == '@') {
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NM_SET_OUT(out_path, &path[1]);
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return TRUE;
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}
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NM_SET_OUT(out_path, path);
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return FALSE;
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}
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struct sockaddr_un;
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int nm_io_sockaddr_un_set(struct sockaddr_un *ret, NMOptionBool is_abstract, const char *path);
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int nm_sd_notify(const char *state);
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/*****************************************************************************/
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int nm_parse_env_file_full(
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const char *contents,
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int (*push)(unsigned line, const char *key, const char *value, void *userdata),
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void *userdata);
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int nm_parse_env_filev(const char *contents, va_list ap);
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int nm_parse_env_file_sentinel(const char *contents, ...) G_GNUC_NULL_TERMINATED;
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#define nm_parse_env_file(contents, ...) nm_parse_env_file_sentinel((contents), __VA_ARGS__, NULL)
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#endif /* __NM_IO_UTILS_H__ */
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