Source / Include Folder (#88)

Moved Source Files Into `src` Folder

1 files changed, 0 insertions, 293 deletions

diff --git a/pwcache.c b/pwcache.c
deleted file mode 100644
index 91435bd..0000000
--- a/pwcache.c
+++ /dev/null
@@ -1,293 +0,0 @@
-/****************************************************************************
- * bfs                                                                      *
- * Copyright (C) 2020 Tavian Barnes <tavianator@tavianator.com>             *
- *                                                                          *
- * Permission to use, copy, modify, and/or distribute this software for any *
- * purpose with or without fee is hereby granted.                           *
- *                                                                          *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES *
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF         *
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR  *
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES   *
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN    *
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF  *
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.           *
- ****************************************************************************/
-
-#include "pwcache.h"
-#include "darray.h"
-#include "trie.h"
-#include <errno.h>
-#include <grp.h>
-#include <pwd.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <string.h>
-
-struct bfs_users {
-	/** The array of passwd entries. */
-	struct passwd *entries;
-	/** A map from usernames to entries. */
-	struct trie by_name;
-	/** A map from UIDs to entries. */
-	struct trie by_uid;
-};
-
-struct bfs_users *bfs_users_parse(void) {
-	int error;
-
-	struct bfs_users *users = malloc(sizeof(*users));
-	if (!users) {
-		return NULL;
-	}
-
-	users->entries = NULL;
-	trie_init(&users->by_name);
-	trie_init(&users->by_uid);
-
-	setpwent();
-
-	while (true) {
-		errno = 0;
-		struct passwd *ent = getpwent();
-		if (!ent) {
-			if (errno) {
-				error = errno;
-				goto fail_end;
-			} else {
-				break;
-			}
-		}
-
-		if (DARRAY_PUSH(&users->entries, ent) != 0) {
-			error = errno;
-			goto fail_end;
-		}
-
-		ent = users->entries + darray_length(users->entries) - 1;
-		ent->pw_name = strdup(ent->pw_name);
-		ent->pw_dir = strdup(ent->pw_dir);
-		ent->pw_shell = strdup(ent->pw_shell);
-		if (!ent->pw_name || !ent->pw_dir || !ent->pw_shell) {
-			error = ENOMEM;
-			goto fail_end;
-		}
-	}
-
-	endpwent();
-
-	for (size_t i = 0; i < darray_length(users->entries); ++i) {
-		struct passwd *entry = &users->entries[i];
-		struct trie_leaf *leaf = trie_insert_str(&users->by_name, entry->pw_name);
-		if (leaf) {
-			if (!leaf->value) {
-				leaf->value = entry;
-			}
-		} else {
-			error = errno;
-			goto fail_free;
-		}
-
-		leaf = trie_insert_mem(&users->by_uid, &entry->pw_uid, sizeof(entry->pw_uid));
-		if (leaf) {
-			if (!leaf->value) {
-				leaf->value = entry;
-			}
-		} else {
-			error = errno;
-			goto fail_free;
-		}
-	}
-
-	return users;
-
-fail_end:
-	endpwent();
-fail_free:
-	bfs_users_free(users);
-	errno = error;
-	return NULL;
-}
-
-const struct passwd *bfs_getpwnam(const struct bfs_users *users, const char *name) {
-	const struct trie_leaf *leaf = trie_find_str(&users->by_name, name);
-	if (leaf) {
-		return leaf->value;
-	} else {
-		return NULL;
-	}
-}
-
-const struct passwd *bfs_getpwuid(const struct bfs_users *users, uid_t uid) {
-	const struct trie_leaf *leaf = trie_find_mem(&users->by_uid, &uid, sizeof(uid));
-	if (leaf) {
-		return leaf->value;
-	} else {
-		return NULL;
-	}
-}
-
-void bfs_users_free(struct bfs_users *users) {
-	if (users) {
-		trie_destroy(&users->by_uid);
-		trie_destroy(&users->by_name);
-
-		for (size_t i = 0; i < darray_length(users->entries); ++i) {
-			struct passwd *entry = &users->entries[i];
-			free(entry->pw_shell);
-			free(entry->pw_dir);
-			free(entry->pw_name);
-		}
-		darray_free(users->entries);
-
-		free(users);
-	}
-}
-
-struct bfs_groups {
-	/** The array of group entries. */
-	struct group *entries;
-	/** A map from group names to entries. */
-	struct trie by_name;
-	/** A map from GIDs to entries. */
-	struct trie by_gid;
-};
-
-/**
- * struct group::gr_mem isn't properly aligned on macOS, so do this to avoid
- * ASAN warnings.
- */
-static char *next_gr_mem(void **gr_mem) {
-	char *mem;
-	memcpy(&mem, *gr_mem, sizeof(mem));
-	*gr_mem = (char *)*gr_mem + sizeof(mem);
-	return mem;
-}
-
-struct bfs_groups *bfs_groups_parse(void) {
-	int error;
-
-	struct bfs_groups *groups = malloc(sizeof(*groups));
-	if (!groups) {
-		return NULL;
-	}
-
-	groups->entries = NULL;
-	trie_init(&groups->by_name);
-	trie_init(&groups->by_gid);
-
-	setgrent();
-
-	while (true) {
-		errno = 0;
-		struct group *ent = getgrent();
-		if (!ent) {
-			if (errno) {
-				error = errno;
-				goto fail_end;
-			} else {
-				break;
-			}
-		}
-
-		if (DARRAY_PUSH(&groups->entries, ent) != 0) {
-			error = errno;
-			goto fail_end;
-		}
-		ent = groups->entries + darray_length(groups->entries) - 1;
-
-		void *members = ent->gr_mem;
-		ent->gr_mem = NULL;
-
-		ent->gr_name = strdup(ent->gr_name);
-		if (!ent->gr_name) {
-			error = errno;
-			goto fail_end;
-		}
-
-		for (char *mem = next_gr_mem(&members); mem; mem = next_gr_mem(&members)) {
-			char *dup = strdup(mem);
-			if (!dup) {
-				error = errno;
-				goto fail_end;
-			}
-
-			if (DARRAY_PUSH(&ent->gr_mem, &dup) != 0) {
-				error = errno;
-				free(dup);
-				goto fail_end;
-			}
-		}
-	}
-
-	endgrent();
-
-	for (size_t i = 0; i < darray_length(groups->entries); ++i) {
-		struct group *entry = &groups->entries[i];
-		struct trie_leaf *leaf = trie_insert_str(&groups->by_name, entry->gr_name);
-		if (leaf) {
-			if (!leaf->value) {
-				leaf->value = entry;
-			}
-		} else {
-			error = errno;
-			goto fail_free;
-		}
-
-		leaf = trie_insert_mem(&groups->by_gid, &entry->gr_gid, sizeof(entry->gr_gid));
-		if (leaf) {
-			if (!leaf->value) {
-				leaf->value = entry;
-			}
-		} else {
-			error = errno;
-			goto fail_free;
-		}
-	}
-
-	return groups;
-
-fail_end:
-	endgrent();
-fail_free:
-	bfs_groups_free(groups);
-	errno = error;
-	return NULL;
-}
-
-const struct group *bfs_getgrnam(const struct bfs_groups *groups, const char *name) {
-	const struct trie_leaf *leaf = trie_find_str(&groups->by_name, name);
-	if (leaf) {
-		return leaf->value;
-	} else {
-		return NULL;
-	}
-}
-
-const struct group *bfs_getgrgid(const struct bfs_groups *groups, gid_t gid) {
-	const struct trie_leaf *leaf = trie_find_mem(&groups->by_gid, &gid, sizeof(gid));
-	if (leaf) {
-		return leaf->value;
-	} else {
-		return NULL;
-	}
-}
-
-void bfs_groups_free(struct bfs_groups *groups) {
-	if (groups) {
-		trie_destroy(&groups->by_gid);
-		trie_destroy(&groups->by_name);
-
-		for (size_t i = 0; i < darray_length(groups->entries); ++i) {
-			struct group *entry = &groups->entries[i];
-			for (size_t j = 0; j < darray_length(entry->gr_mem); ++j) {
-				free(entry->gr_mem[j]);
-			}
-			darray_free(entry->gr_mem);
-			free(entry->gr_name);
-		}
-		darray_free(groups->entries);
-
-		free(groups);
-	}
-}