Lennart Poettering
65a6da9c96
This is useful in tools such as system-repart where we show the definition file paths a lot in our output, but if prefixed with the root path we'd show a temporary mount dir when operating on a image file. Hence, let's drop the prefix here, and show only the path within the image.
80 lines
4.6 KiB
C
80 lines
4.6 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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#include <sys/stat.h>
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#include "basic-forward.h"
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typedef enum ConfFilesFlags {
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CONF_FILES_EXECUTABLE = 1 << 0, /* inode must be marked executable */
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CONF_FILES_REGULAR = 1 << 1, /* inode must be regular file */
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CONF_FILES_DIRECTORY = 1 << 2, /* inode must be directory */
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CONF_FILES_BASENAME = 1 << 3, /* only return basename of file, not full path */
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CONF_FILES_FILTER_MASKED_BY_SYMLINK = 1 << 4, /* implement /dev/null symlink based masking */
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CONF_FILES_FILTER_MASKED_BY_EMPTY = 1 << 5, /* implement masking by empty file */
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CONF_FILES_FILTER_MASKED = CONF_FILES_FILTER_MASKED_BY_SYMLINK | CONF_FILES_FILTER_MASKED_BY_EMPTY,
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CONF_FILES_TRUNCATE_SUFFIX = 1 << 6, /* truncate specified suffix from return filename or path */
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CONF_FILES_WARN = 1 << 7, /* warn on some errors */
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CONF_FILES_DONT_PREFIX_ROOT = 1 << 8, /* don't prefix the specified root path to the resulting paths */
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} ConfFilesFlags;
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typedef struct ConfFile {
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char *filename; /* filename of the discovered file (i.e. without any directory prefix) */
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char *result; /* full path to the file (with the directory prefix fully resolved, but the filename part left as is) */
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char *original_path; /* full path to the file (original – non-resolved – directory prefix + filename part left as is) */
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char *resolved_path; /* fully resolved path to the file with both directory prefix and filename fully resolved */
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int fd; /* O_PATH fd to resolved_path, -EBADF if resolved_path does not exist */
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struct stat st; /* stat of the file. */
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} ConfFile;
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ConfFile* conf_file_free(ConfFile *c);
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DEFINE_TRIVIAL_CLEANUP_FUNC(ConfFile*, conf_file_free);
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void conf_file_free_many(ConfFile **array, size_t n);
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int conf_file_new_at(const char *path, const char *root, int rfd, ConfFilesFlags flags, ConfFile **ret);
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int conf_file_new(const char *path, const char *root, ConfFilesFlags flags, ConfFile **ret);
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int conf_files_list(char ***ret, const char *suffix, const char *root, ConfFilesFlags flags, const char *dir);
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int conf_files_list_at(char ***ret, const char *suffix, int rfd, ConfFilesFlags flags, const char *dir);
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int conf_files_list_strv(char ***ret, const char *suffix, const char *root, ConfFilesFlags flags, const char* const* dirs);
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int conf_files_list_strv_at(char ***ret, const char *suffix, int rfd, ConfFilesFlags flags, const char * const *dirs);
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int conf_files_list_nulstr(char ***ret, const char *suffix, const char *root, ConfFilesFlags flags, const char *dirs);
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int conf_files_list_nulstr_at(char ***ret, const char *suffix, int rfd, ConfFilesFlags flags, const char *dirs);
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int conf_files_list_full(const char *suffix, const char *root, ConfFilesFlags flags, const char *dir, ConfFile ***ret_files, size_t *ret_n_files);
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int conf_files_list_at_full(const char *suffix, int rfd, ConfFilesFlags flags, const char *dir, ConfFile ***ret_files, size_t *ret_n_files);
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int conf_files_list_strv_full(const char *suffix, const char *root, ConfFilesFlags flags, const char * const *dirs, ConfFile ***ret_files, size_t *ret_n_files);
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int conf_files_list_strv_at_full(const char *suffix, int rfd, ConfFilesFlags flags, const char * const *dirs, ConfFile ***ret_files, size_t *ret_n_files);
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int conf_files_list_nulstr_full(const char *suffix, const char *root, ConfFilesFlags flags, const char *dirs, ConfFile ***ret_files, size_t *ret_n_files);
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int conf_files_list_nulstr_at_full(const char *suffix, int rfd, ConfFilesFlags flags, const char *dirs, ConfFile ***ret_files, size_t *ret_n_files);
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int conf_files_list_with_replacement(
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const char *root,
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char **config_dirs,
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const char *replacement,
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char ***ret_files,
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char **ret_inserted);
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int conf_files_list_dropins(
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char ***ret,
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const char *dropin_dirname,
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const char *root,
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int root_fd,
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ConfFilesFlags flags,
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const char * const *dirs);
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typedef int parse_line_t(
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const char *fname,
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unsigned line,
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const char *buffer,
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bool *invalid_config,
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void *userdata);
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int conf_file_read(
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const char *root,
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const char **config_dirs,
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const char *fn,
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parse_line_t parse_line,
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void *userdata,
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bool ignore_enoent,
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bool *invalid_config);
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