| index : pacman | |
| Archlinux32 fork of pacman | gitolite user |
| summaryrefslogtreecommitdiff |
| -rw-r--r-- | lib/libalpm/util.c | 278 |
diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c index 1f7b7190..f821beb2 100644 --- a/lib/libalpm/util.c +++ b/lib/libalpm/util.c @@ -27,38 +27,23 @@ #include <stdio.h> #include <stdlib.h> -#ifdef __sun__ -#include <alloca.h> -#endif #include <string.h> -#include <unistd.h> -#include <errno.h> #include <fcntl.h> +#include <unistd.h> #include <ctype.h> #include <dirent.h> #include <time.h> #include <syslog.h> -#include <sys/wait.h> -#if defined(__APPLE__) || defined(__OpenBSD__) -#include <sys/syslimits.h> -#endif -#if defined(__APPLE__) || defined(__OpenBSD__) || defined(__sun__) -#include <sys/stat.h> -#endif -#ifdef CYGWIN -#include <limits.h> /* PATH_MAX */ -#endif -#include <sys/statvfs.h> -#ifndef __sun__ -#include <mntent.h> -#endif +#include <errno.h> + +/* libarchive */ +#include <archive.h> +#include <archive_entry.h> /* libalpm */ #include "util.h" #include "alpm_list.h" #include "log.h" -#include "trans.h" -#include "sync.h" #include "error.h" #include "package.h" #include "alpm.h" @@ -266,6 +251,9 @@ int _alpm_unpack(const char *archive, const char *prefix, const char *fn) register struct archive *_archive; struct archive_entry *entry; char expath[PATH_MAX]; + const int archive_flags = ARCHIVE_EXTRACT_OWNER | + ARCHIVE_EXTRACT_PERM | + ARCHIVE_EXTRACT_TIME; ALPM_LOG_FUNC; @@ -288,7 +276,7 @@ int _alpm_unpack(const char *archive, const char *prefix, const char *fn) } snprintf(expath, PATH_MAX, "%s/%s", prefix, archive_entry_pathname(entry)); archive_entry_set_pathname(entry, expath); - if(archive_read_extract(_archive, entry, ARCHIVE_EXTRACT_FLAGS) != ARCHIVE_OK) { + if(archive_read_extract(_archive, entry, archive_flags) != ARCHIVE_OK) { _alpm_log(PM_LOG_ERROR, _("could not extract %s: %s\n"), archive_entry_pathname(entry), archive_error_string(_archive)); return(1); } @@ -388,252 +376,6 @@ int _alpm_ldconfig(const char *root) return(0); } -/* A cheap grep for text files, returns 1 if a substring - * was found in the text file fn, 0 if it wasn't - */ -static int grep(const char *fn, const char *needle) -{ - FILE *fp; - - if((fp = fopen(fn, "r")) == NULL) { - return(0); - } - while(!feof(fp)) { - char line[1024]; - fgets(line, 1024, fp); - if(feof(fp)) { - continue; - } - if(strstr(line, needle)) { - fclose(fp); - return(1); - } - } - fclose(fp); - return(0); -} - -int _alpm_runscriptlet(const char *root, const char *installfn, - const char *script, const char *ver, - const char *oldver, pmtrans_t *trans) -{ - char scriptfn[PATH_MAX]; - char cmdline[PATH_MAX]; - char tmpdir[PATH_MAX] = ""; - char *scriptpath; - struct stat buf; - char cwd[PATH_MAX] = ""; - pid_t pid; - int retval = 0; - - ALPM_LOG_FUNC; - - if(stat(installfn, &buf)) { - /* not found */ - _alpm_log(PM_LOG_DEBUG, "scriptlet '%s' not found", installfn); - return(0); - } - - if(!strcmp(script, "pre_upgrade") || !strcmp(script, "pre_install")) { - snprintf(tmpdir, PATH_MAX, "%stmp/", root); - if(stat(tmpdir, &buf)) { - _alpm_makepath(tmpdir); - } - snprintf(tmpdir, PATH_MAX, "%stmp/alpm_XXXXXX", root); - if(mkdtemp(tmpdir) == NULL) { - _alpm_log(PM_LOG_ERROR, _("could not create temp directory")); - return(1); - } - _alpm_unpack(installfn, tmpdir, ".INSTALL"); - snprintf(scriptfn, PATH_MAX, "%s/.INSTALL", tmpdir); - /* chop off the root so we can find the tmpdir in the chroot */ - scriptpath = scriptfn + strlen(root) - 1; - } else { - strncpy(scriptfn, installfn, PATH_MAX); - /* chop off the root so we can find the tmpdir in the chroot */ - scriptpath = scriptfn + strlen(root) - 1; - } - - if(!grep(scriptfn, script)) { - /* script not found in scriptlet file */ - goto cleanup; - } - - /* save the cwd so we can restore it later */ - if(getcwd(cwd, PATH_MAX) == NULL) { - _alpm_log(PM_LOG_ERROR, _("could not get current working directory")); - /* in case of error, cwd content is undefined: so we set it to something */ - cwd[0] = 0; - } - - /* just in case our cwd was removed in the upgrade operation */ - if(chdir(root) != 0) { - _alpm_log(PM_LOG_ERROR, _("could not change directory to %s (%s)"), root, strerror(errno)); - goto cleanup; - } - - _alpm_log(PM_LOG_DEBUG, _("executing %s script..."), script); - - if(oldver) { - snprintf(cmdline, PATH_MAX, "source %s %s %s %s", - scriptpath, script, ver, oldver); - } else { - snprintf(cmdline, PATH_MAX, "source %s %s %s", - scriptpath, script, ver); - } - _alpm_log(PM_LOG_DEBUG, "%s", cmdline); - - pid = fork(); - if(pid == -1) { - _alpm_log(PM_LOG_ERROR, _("could not fork a new process (%s)"), strerror(errno)); - retval = 1; - goto cleanup; - } - - if(pid == 0) { - FILE *pp; - _alpm_log(PM_LOG_DEBUG, _("chrooting in %s"), root); - if(chroot(root) != 0) { - _alpm_log(PM_LOG_ERROR, _("could not change the root directory (%s)"), strerror(errno)); - return(1); - } - if(chdir("/") != 0) { - _alpm_log(PM_LOG_ERROR, _("could not change directory to / (%s)"), strerror(errno)); - return(1); - } - umask(0022); - _alpm_log(PM_LOG_DEBUG, _("executing \"%s\""), cmdline); - pp = popen(cmdline, "r"); - if(!pp) { - _alpm_log(PM_LOG_ERROR, _("call to popen failed (%s)"), strerror(errno)); - retval = 1; - goto cleanup; - } - while(!feof(pp)) { - char line[1024]; - if(fgets(line, 1024, pp) == NULL) - break; - /*TODO clean this code up, remove weird SCRIPTLET_START/DONE, - * (void*)atol call, etc. */ - /* "START <event desc>" */ - if((strlen(line) > strlen(SCRIPTLET_START)) - && !strncmp(line, SCRIPTLET_START, strlen(SCRIPTLET_START))) { - EVENT(trans, PM_TRANS_EVT_SCRIPTLET_START, - _alpm_strtrim(line + strlen(SCRIPTLET_START)), NULL); - /* "DONE <ret code>" */ - } else if((strlen(line) > strlen(SCRIPTLET_DONE)) - && !strncmp(line, SCRIPTLET_DONE, strlen(SCRIPTLET_DONE))) { - EVENT(trans, PM_TRANS_EVT_SCRIPTLET_DONE, - (void*)atol(_alpm_strtrim(line + strlen(SCRIPTLET_DONE))), - NULL); - } else { - _alpm_strtrim(line); - /* log our script output */ - alpm_logaction(line); - EVENT(trans, PM_TRANS_EVT_SCRIPTLET_INFO, line, NULL); - } - } - pclose(pp); - exit(0); - } else { - if(waitpid(pid, 0, 0) == -1) { - _alpm_log(PM_LOG_ERROR, _("call to waitpid failed (%s)"), - strerror(errno)); - retval = 1; - goto cleanup; - } - } - -cleanup: - if(strlen(tmpdir) && _alpm_rmrf(tmpdir)) { - _alpm_log(PM_LOG_WARNING, _("could not remove tmpdir %s"), tmpdir); - } - if(strlen(cwd)) { - chdir(cwd); - } - - return(retval); -} - -#ifndef __sun__ -static long long get_freespace() -{ - struct mntent *mnt; - const char *table = MOUNTED; - FILE *fp; - long long ret=0; - - if((fp = setmntent(table, "r")) == NULL) { - _alpm_log(PM_LOG_ERROR, _("cannot read disk space information from %s: %s"), - table, strerror(errno)); - return(-1); - } - - while ((mnt = getmntent(fp))) - { - struct statvfs64 buf; - - statvfs64(mnt->mnt_dir, &buf); - ret += buf.f_bavail * buf.f_bsize; - } - - endmntent(fp); - - return(ret); -} - -int _alpm_check_freespace(pmtrans_t *trans, alpm_list_t **data) -{ - alpm_list_t *i; - long long pkgsize=0, freespace; - - ALPM_LOG_FUNC; - - for(i = trans->packages; i; i = i->next) { - if(trans->type == PM_TRANS_TYPE_SYNC) - { - pmsyncpkg_t *sync = i->data; - if(sync->type != PM_SYNC_TYPE_REPLACE) { - pmpkg_t *pkg = sync->pkg; - pkgsize += alpm_pkg_get_isize(pkg); - } - } - else - { - pmpkg_t *pkg = i->data; - pkgsize += alpm_pkg_get_size(pkg); - } - } - freespace = get_freespace(); - _alpm_log(PM_LOG_DEBUG, _("check_freespace: total pkg size: %lld, disk space: %lld"), pkgsize, freespace); - if(pkgsize > freespace) { - if(data) { - long long *ptr; - if((ptr = (long long*)malloc(sizeof(long long)))==NULL) { - _alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %d bytes"), sizeof(long long)); - pm_errno = PM_ERR_MEMORY; - return(-1); - } - *ptr = pkgsize; - *data = alpm_list_add(*data, ptr); - if((ptr = (long long*)malloc(sizeof(long long)))==NULL) { - _alpm_log(PM_LOG_ERROR, _("malloc failure: could not allocate %d bytes"), sizeof(long long)); - FREELIST(*data); - pm_errno = PM_ERR_MEMORY; - return(-1); - } - *ptr = freespace; - *data = alpm_list_add(*data, ptr); - } - pm_errno = PM_ERR_DISK_FULL; - return(-1); - } - else { - return(0); - } -} -#endif - /* convert a time_t to a string - buffer MUST be large enough for * YYYYMMDDHHMMSS - 15 chars */ void _alpm_time2string(time_t t, char *buffer) |