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-rw-r--r--lib/libalpm/be_files.c586
1 files changed, 586 insertions, 0 deletions
diff --git a/lib/libalpm/be_files.c b/lib/libalpm/be_files.c
new file mode 100644
index 00000000..fd675c31
--- /dev/null
+++ b/lib/libalpm/be_files.c
@@ -0,0 +1,586 @@
+/*
+ * be_files.c
+ *
+ * Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#include "config.h"
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#ifdef CYGWIN
+#include <limits.h> /* PATH_MAX */
+#endif
+/* pacman */
+#include "log.h"
+#include "util.h"
+#include "db.h"
+#include "alpm.h"
+
+int _alpm_db_open(pmdb_t *db, int mode)
+{
+ char path[PATH_MAX];
+
+ if(db == NULL) {
+ return(-1);
+ }
+
+ snprintf(path, PATH_MAX, "%s/%s", db->path, db->treename);
+
+ db->handle = opendir(path);
+ if(db->handle == NULL) {
+ if(mode & DB_O_CREATE) {
+ _alpm_log(PM_LOG_WARNING, "could not open database '%s' -- try creating it", db->treename);
+ _alpm_log(PM_LOG_DEBUG, "creating database '%s'", db->treename);
+ if(mkdir(path, 0755) == 0) {
+ db->handle = opendir(path);
+ }
+ }
+ if(!(mode & DB_O_CREATE) || db->handle == NULL) {
+ return(-1);
+ }
+ }
+
+ return(0);
+}
+
+void _alpm_db_close(pmdb_t *db)
+{
+ if(db == NULL) {
+ return;
+ }
+
+ if(db->handle) {
+ closedir(db->handle);
+ db->handle = NULL;
+ }
+}
+
+void _alpm_db_rewind(pmdb_t *db)
+{
+ if(db == NULL || db->handle == NULL) {
+ return;
+ }
+
+ rewinddir(db->handle);
+}
+
+pmpkg_t *_alpm_db_scan(pmdb_t *db, char *target, unsigned int inforeq)
+{
+ struct dirent *ent = NULL;
+ struct stat sbuf;
+ char path[PATH_MAX];
+ char name[PKG_FULLNAME_LEN];
+ char *ptr = NULL;
+ int found = 0;
+ pmpkg_t *pkg;
+
+ if(db == NULL) {
+ return(NULL);
+ }
+
+ if(target != NULL) {
+ /* search for a specific package (by name only) */
+ rewinddir(db->handle);
+ while(!found && (ent = readdir(db->handle)) != NULL) {
+ if(!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, "..")) {
+ continue;
+ }
+ /* stat the entry, make sure it's a directory */
+ snprintf(path, PATH_MAX, "%s/%s/%s", db->path, db->treename, ent->d_name);
+ if(stat(path, &sbuf) || !S_ISDIR(sbuf.st_mode)) {
+ continue;
+ }
+ STRNCPY(name, ent->d_name, PKG_FULLNAME_LEN);
+ /* truncate the string at the second-to-last hyphen, */
+ /* which will give us the package name */
+ if((ptr = rindex(name, '-'))) {
+ *ptr = '\0';
+ }
+ if((ptr = rindex(name, '-'))) {
+ *ptr = '\0';
+ }
+ if(!strcmp(name, target)) {
+ found = 1;
+ }
+ }
+ if(!found) {
+ return(NULL);
+ }
+ } else {
+ /* normal iteration */
+ int isdir = 0;
+ while(!isdir) {
+ ent = readdir(db->handle);
+ if(ent == NULL) {
+ return(NULL);
+ }
+ if(!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, "..")) {
+ isdir = 0;
+ continue;
+ }
+ /* stat the entry, make sure it's a directory */
+ snprintf(path, PATH_MAX, "%s/%s/%s", db->path, db->treename, ent->d_name);
+ if(!stat(path, &sbuf) && S_ISDIR(sbuf.st_mode)) {
+ isdir = 1;
+ }
+ }
+ }
+
+ pkg = _alpm_pkg_new(NULL, NULL);
+ if(pkg == NULL) {
+ return(NULL);
+ }
+ if(_alpm_pkg_splitname(ent->d_name, pkg->name, pkg->version) == -1) {
+ _alpm_log(PM_LOG_ERROR, "invalid name for dabatase entry '%s'", ent->d_name);
+ return(NULL);
+ }
+ if(_alpm_db_read(db, inforeq, pkg) == -1) {
+ FREEPKG(pkg);
+ }
+
+ return(pkg);
+}
+
+int _alpm_db_read(pmdb_t *db, unsigned int inforeq, pmpkg_t *info)
+{
+ FILE *fp = NULL;
+ struct stat buf;
+ char path[PATH_MAX];
+ char line[512];
+
+ if(db == NULL || info == NULL || info->name[0] == 0 || info->version[0] == 0) {
+ return(-1);
+ }
+
+ snprintf(path, PATH_MAX, "%s/%s/%s-%s", db->path, db->treename, info->name, info->version);
+ if(stat(path, &buf)) {
+ /* directory doesn't exist or can't be opened */
+ return(-1);
+ }
+
+ /* DESC */
+ if(inforeq & INFRQ_DESC) {
+ snprintf(path, PATH_MAX, "%s/%s/%s-%s/desc", db->path, db->treename, info->name, info->version);
+ fp = fopen(path, "r");
+ if(fp == NULL) {
+ _alpm_log(PM_LOG_ERROR, "%s (%s)", path, strerror(errno));
+ goto error;
+ }
+ while(!feof(fp)) {
+ if(fgets(line, 256, fp) == NULL) {
+ break;
+ }
+ _alpm_strtrim(line);
+ if(!strcmp(line, "%DESC%")) {
+ if(fgets(info->desc, sizeof(info->desc), fp) == NULL) {
+ goto error;
+ }
+ _alpm_strtrim(info->desc);
+ } else if(!strcmp(line, "%GROUPS%")) {
+ while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ info->groups = _alpm_list_add(info->groups, strdup(line));
+ }
+ } else if(!strcmp(line, "%URL%")) {
+ if(fgets(info->url, sizeof(info->url), fp) == NULL) {
+ goto error;
+ }
+ _alpm_strtrim(info->url);
+ } else if(!strcmp(line, "%LICENSE%")) {
+ while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ info->license = _alpm_list_add(info->license, strdup(line));
+ }
+ } else if(!strcmp(line, "%ARCH%")) {
+ if(fgets(info->arch, sizeof(info->arch), fp) == NULL) {
+ goto error;
+ }
+ _alpm_strtrim(info->arch);
+ } else if(!strcmp(line, "%BUILDDATE%")) {
+ if(fgets(info->builddate, sizeof(info->builddate), fp) == NULL) {
+ goto error;
+ }
+ _alpm_strtrim(info->builddate);
+ } else if(!strcmp(line, "%INSTALLDATE%")) {
+ if(fgets(info->installdate, sizeof(info->installdate), fp) == NULL) {
+ goto error;
+ }
+ _alpm_strtrim(info->installdate);
+ } else if(!strcmp(line, "%PACKAGER%")) {
+ if(fgets(info->packager, sizeof(info->packager), fp) == NULL) {
+ goto error;
+ }
+ _alpm_strtrim(info->packager);
+ } else if(!strcmp(line, "%REASON%")) {
+ char tmp[32];
+ if(fgets(tmp, sizeof(tmp), fp) == NULL) {
+ goto error;
+ }
+ _alpm_strtrim(tmp);
+ info->reason = atol(tmp);
+ } else if(!strcmp(line, "%SIZE%") || !strcmp(line, "%CSIZE%")) {
+ /* NOTE: the CSIZE and SIZE fields both share the "size" field
+ * in the pkginfo_t struct. This can be done b/c CSIZE
+ * is currently only used in sync databases, and SIZE is
+ * only used in local databases.
+ */
+ char tmp[32];
+ if(fgets(tmp, sizeof(tmp), fp) == NULL) {
+ goto error;
+ }
+ _alpm_strtrim(tmp);
+ info->size = atol(tmp);
+ } else if(!strcmp(line, "%MD5SUM%")) {
+ /* MD5SUM tag only appears in sync repositories,
+ * not the local one. */
+ if(fgets(info->md5sum, sizeof(info->md5sum), fp) == NULL) {
+ goto error;
+ }
+ /* XXX: these are only here as backwards-compatibility for pacman 2.x
+ * sync repos.... in pacman3, they have been moved to DEPENDS.
+ * Remove this when we move to pacman3 repos.
+ */
+ } else if(!strcmp(line, "%REPLACES%")) {
+ /* the REPLACES tag is special -- it only appears in sync repositories,
+ * not the local one. */
+ while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ info->replaces = _alpm_list_add(info->replaces, strdup(line));
+ }
+ } else if(!strcmp(line, "%FORCE%")) {
+ /* FORCE tag only appears in sync repositories,
+ * not the local one. */
+ info->force = 1;
+ }
+ }
+ fclose(fp);
+ fp = NULL;
+ }
+
+ /* FILES */
+ if(inforeq & INFRQ_FILES) {
+ snprintf(path, PATH_MAX, "%s/%s/%s-%s/files", db->path, db->treename, info->name, info->version);
+ fp = fopen(path, "r");
+ if(fp == NULL) {
+ _alpm_log(PM_LOG_ERROR, "%s (%s)", path, strerror(errno));
+ goto error;
+ }
+ while(fgets(line, 256, fp)) {
+ _alpm_strtrim(line);
+ if(!strcmp(line, "%FILES%")) {
+ while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ info->files = _alpm_list_add(info->files, strdup(line));
+ }
+ } else if(!strcmp(line, "%BACKUP%")) {
+ while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ info->backup = _alpm_list_add(info->backup, strdup(line));
+ }
+ }
+ }
+ fclose(fp);
+ fp = NULL;
+ }
+
+ /* DEPENDS */
+ if(inforeq & INFRQ_DEPENDS) {
+ snprintf(path, PATH_MAX, "%s/%s/%s-%s/depends", db->path, db->treename, info->name, info->version);
+ fp = fopen(path, "r");
+ if(fp == NULL) {
+ _alpm_log(PM_LOG_ERROR, "%s (%s)", path, strerror(errno));
+ goto error;
+ }
+ while(!feof(fp)) {
+ fgets(line, 255, fp);
+ _alpm_strtrim(line);
+ if(!strcmp(line, "%DEPENDS%")) {
+ while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ info->depends = _alpm_list_add(info->depends, strdup(line));
+ }
+ } else if(!strcmp(line, "%REQUIREDBY%")) {
+ while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ info->requiredby = _alpm_list_add(info->requiredby, strdup(line));
+ }
+ } else if(!strcmp(line, "%CONFLICTS%")) {
+ while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ info->conflicts = _alpm_list_add(info->conflicts, strdup(line));
+ }
+ } else if(!strcmp(line, "%PROVIDES%")) {
+ while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ info->provides = _alpm_list_add(info->provides, strdup(line));
+ }
+ } else if(!strcmp(line, "%REPLACES%")) {
+ /* the REPLACES tag is special -- it only appears in sync repositories,
+ * not the local one. */
+ while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
+ info->replaces = _alpm_list_add(info->replaces, strdup(line));
+ }
+ } else if(!strcmp(line, "%FORCE%")) {
+ /* FORCE tag only appears in sync repositories,
+ * not the local one. */
+ info->force = 1;
+ }
+ }
+ fclose(fp);
+ fp = NULL;
+ }
+
+ /* INSTALL */
+ if(inforeq & INFRQ_SCRIPLET) {
+ snprintf(path, PATH_MAX, "%s/%s/%s-%s/install", db->path, db->treename, info->name, info->version);
+ if(!stat(path, &buf)) {
+ info->scriptlet = 1;
+ }
+ }
+
+ /* internal */
+ info->infolevel |= inforeq;
+
+ return(0);
+
+error:
+ if(fp) {
+ fclose(fp);
+ }
+ return(-1);
+}
+
+int _alpm_db_write(pmdb_t *db, pmpkg_t *info, unsigned int inforeq)
+{
+ FILE *fp = NULL;
+ char path[PATH_MAX];
+ mode_t oldmask;
+ PMList *lp = NULL;
+ int retval = 0;
+ int local = 0;
+
+ if(db == NULL || info == NULL) {
+ return(-1);
+ }
+
+ snprintf(path, PATH_MAX, "%s/%s/%s-%s", db->path, db->treename, info->name, info->version);
+ oldmask = umask(0000);
+ mkdir(path, 0755);
+ /* make sure we have a sane umask */
+ umask(0022);
+
+ if(strcmp(db->treename, "local") == 0) {
+ local = 1;
+ }
+
+ /* DESC */
+ if(inforeq & INFRQ_DESC) {
+ snprintf(path, PATH_MAX, "%s/%s/%s-%s/desc", db->path, db->treename, info->name, info->version);
+ if((fp = fopen(path, "w")) == NULL) {
+ _alpm_log(PM_LOG_ERROR, "db_write: could not open file %s/desc", db->treename);
+ retval = 1;
+ goto cleanup;
+ }
+ fprintf(fp, "%%NAME%%\n%s\n\n"
+ "%%VERSION%%\n%s\n\n", info->name, info->version);
+ if(info->desc[0]) {
+ fprintf(fp, "%%DESC%%\n"
+ "%s\n\n", info->desc);
+ }
+ if(info->groups) {
+ fputs("%GROUPS%\n", fp);
+ for(lp = info->groups; lp; lp = lp->next) {
+ fprintf(fp, "%s\n", (char *)lp->data);
+ }
+ fprintf(fp, "\n");
+ }
+ if(local) {
+ if(info->url[0]) {
+ fprintf(fp, "%%URL%%\n"
+ "%s\n\n", info->url);
+ }
+ if(info->license) {
+ fputs("%LICENSE%\n", fp);
+ for(lp = info->license; lp; lp = lp->next) {
+ fprintf(fp, "%s\n", (char *)lp->data);
+ }
+ fprintf(fp, "\n");
+ }
+ if(info->arch[0]) {
+ fprintf(fp, "%%ARCH%%\n"
+ "%s\n\n", info->arch);
+ }
+ if(info->builddate[0]) {
+ fprintf(fp, "%%BUILDDATE%%\n"
+ "%s\n\n", info->builddate);
+ }
+ if(info->installdate[0]) {
+ fprintf(fp, "%%INSTALLDATE%%\n"
+ "%s\n\n", info->installdate);
+ }
+ if(info->packager[0]) {
+ fprintf(fp, "%%PACKAGER%%\n"
+ "%s\n\n", info->packager);
+ }
+ if(info->size) {
+ fprintf(fp, "%%SIZE%%\n"
+ "%ld\n\n", info->size);
+ }
+ if(info->reason) {
+ fprintf(fp, "%%REASON%%\n"
+ "%d\n\n", info->reason);
+ }
+ } else {
+ if(info->size) {
+ fprintf(fp, "%%CSIZE%%\n"
+ "%ld\n\n", info->size);
+ }
+ if(info->reason) {
+ fprintf(fp, "%%MD5SUM%%\n"
+ "%s\n\n", info->md5sum);
+ }
+ }
+ fclose(fp);
+ fp = NULL;
+ }
+
+ /* FILES */
+ if(local && (inforeq & INFRQ_FILES)) {
+ snprintf(path, PATH_MAX, "%s/%s/%s-%s/files", db->path, db->treename, info->name, info->version);
+ if((fp = fopen(path, "w")) == NULL) {
+ _alpm_log(PM_LOG_ERROR, "db_write: could not open file %s/files", db->treename);
+ retval = -1;
+ goto cleanup;
+ }
+ if(info->files) {
+ fprintf(fp, "%%FILES%%\n");
+ for(lp = info->files; lp; lp = lp->next) {
+ fprintf(fp, "%s\n", (char *)lp->data);
+ }
+ fprintf(fp, "\n");
+ }
+ if(info->backup) {
+ fprintf(fp, "%%BACKUP%%\n");
+ for(lp = info->backup; lp; lp = lp->next) {
+ fprintf(fp, "%s\n", (char *)lp->data);
+ }
+ fprintf(fp, "\n");
+ }
+ fclose(fp);
+ fp = NULL;
+ }
+
+ /* DEPENDS */
+ if(inforeq & INFRQ_DEPENDS) {
+ snprintf(path, PATH_MAX, "%s/%s/%s-%s/depends", db->path, db->treename, info->name, info->version);
+ if((fp = fopen(path, "w")) == NULL) {
+ _alpm_log(PM_LOG_ERROR, "db_write: could not open file %s/depends", db->treename);
+ retval = -1;
+ goto cleanup;
+ }
+ if(info->depends) {
+ fputs("%DEPENDS%\n", fp);
+ for(lp = info->depends; lp; lp = lp->next) {
+ fprintf(fp, "%s\n", (char *)lp->data);
+ }
+ fprintf(fp, "\n");
+ }
+ if(local && info->requiredby) {
+ fputs("%REQUIREDBY%\n", fp);
+ for(lp = info->requiredby; lp; lp = lp->next) {
+ fprintf(fp, "%s\n", (char *)lp->data);
+ }
+ fprintf(fp, "\n");
+ }
+ if(info->conflicts) {
+ fputs("%CONFLICTS%\n", fp);
+ for(lp = info->conflicts; lp; lp = lp->next) {
+ fprintf(fp, "%s\n", (char *)lp->data);
+ }
+ fprintf(fp, "\n");
+ }
+ if(info->provides) {
+ fputs("%PROVIDES%\n", fp);
+ for(lp = info->provides; lp; lp = lp->next) {
+ fprintf(fp, "%s\n", (char *)lp->data);
+ }
+ fprintf(fp, "\n");
+ }
+ if(!local) {
+ if(info->replaces) {
+ fputs("%REPLACES%\n", fp);
+ for(lp = info->replaces; lp; lp = lp->next) {
+ fprintf(fp, "%s\n", (char *)lp->data);
+ }
+ fprintf(fp, "\n");
+ }
+ if(info->force) {
+ fprintf(fp, "%%FORCE%%\n"
+ "\n");
+ }
+ }
+ fclose(fp);
+ fp = NULL;
+ }
+
+ /* INSTALL */
+ /* nothing needed here (script is automatically extracted) */
+
+cleanup:
+ umask(oldmask);
+
+ if(fp) {
+ fclose(fp);
+ }
+
+ return(retval);
+}
+
+int _alpm_db_remove(pmdb_t *db, pmpkg_t *info)
+{
+ char path[PATH_MAX];
+
+ if(db == NULL || info == NULL) {
+ return(-1);
+ }
+
+
+ /* DESC */
+ snprintf(path, PATH_MAX, "%s/%s/%s-%s/desc",
+ db->path, db->treename, info->name, info->version);
+ unlink(path);
+ /* FILES */
+ snprintf(path, PATH_MAX, "%s/%s/%s-%s/files",
+ db->path, db->treename, info->name, info->version);
+ unlink(path);
+ /* DEPENDS */
+ snprintf(path, PATH_MAX, "%s/%s/%s-%s/depends",
+ db->path, db->treename, info->name, info->version);
+ unlink(path);
+ /* INSTALL */
+ snprintf(path, PATH_MAX, "%s/%s/%s-%s/install",
+ db->path, db->treename, info->name, info->version);
+ unlink(path);
+
+ /* Package directory */
+ snprintf(path, PATH_MAX, "%s/%s/%s-%s",
+ db->path, db->treename, info->name, info->version);
+ if(rmdir(path) == -1) {
+ return(-1);
+ }
+
+ return(0);
+}
+
+/* vim: set ts=2 sw=2 noet: */

Copyright © 2002-2022 Judd Vinet and Aaron Griffin. Copyright © 2022 Erich Eckner.
The Arch Linux name and logo are recognized trademarks. Some rights reserved. The registered trademark Linux® is used pursuant to a sublicense from LMI, the exclusive licensee of Linus Torvalds, owner of the mark on a world-wide basis.