X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Fbase-filesystem.c;h=ab6fc171b01f5e797c63e470e43228f035014657;hp=b1f1f4190e7d0e50350ef84416a6d052e6f0e13b;hb=f95b4196af441a62980cc2ec1e72993e2a2521b6;hpb=56f64d95763a799ba4475daf44d8e9f72a1bd474 diff --git a/src/shared/base-filesystem.c b/src/shared/base-filesystem.c index b1f1f4190..ab6fc171b 100644 --- a/src/shared/base-filesystem.c +++ b/src/shared/base-filesystem.c @@ -22,17 +22,12 @@ #include #include #include -#include -#include #include #include "base-filesystem.h" #include "log.h" #include "macro.h" -#include "strv.h" #include "util.h" -#include "label.h" -#include "mkdir.h" typedef struct BaseFilesystem { const char *dir; @@ -46,22 +41,23 @@ static const BaseFilesystem table[] = { { "lib", 0, "usr/lib\0", NULL }, { "root", 0755, NULL, NULL }, { "sbin", 0, "usr/sbin\0", NULL }, + { "usr", 0755, NULL, NULL }, + { "var", 0755, NULL, NULL }, + { "etc", 0755, NULL, NULL }, #if defined(__i386__) || defined(__x86_64__) { "lib64", 0, "usr/lib/x86_64-linux-gnu\0" "usr/lib64\0", "ld-linux-x86-64.so.2" }, #endif }; -int base_filesystem_create(const char *root) { +int base_filesystem_create(const char *root, uid_t uid, gid_t gid) { _cleanup_close_ int fd = -1; unsigned i; - int r; + int r = 0; fd = open(root, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW); - if (fd < 0) { - log_error_errno(errno, "Failed to open root file system: %m"); - return -errno; - } + if (fd < 0) + return log_error_errno(errno, "Failed to open root file system: %m"); for (i = 0; i < ELEMENTSOF(table); i ++) { if (faccessat(fd, table[i].dir, F_OK, AT_SYMLINK_NOFOLLOW) >= 0) @@ -95,18 +91,25 @@ int base_filesystem_create(const char *root) { continue; r = symlinkat(target, fd, table[i].dir); - if (r < 0 && errno != EEXIST) { - log_error_errno(errno, "Failed to create symlink at %s/%s: %m", root, table[i].dir); - return -errno; + if (r < 0 && errno != EEXIST) + return log_error_errno(errno, "Failed to create symlink at %s/%s: %m", root, table[i].dir); + + if (uid != UID_INVALID || gid != UID_INVALID) { + if (fchownat(fd, table[i].dir, uid, gid, AT_SYMLINK_NOFOLLOW) < 0) + return log_error_errno(errno, "Failed to chown symlink at %s/%s: %m", root, table[i].dir); } + continue; } RUN_WITH_UMASK(0000) r = mkdirat(fd, table[i].dir, table[i].mode); - if (r < 0 && errno != EEXIST) { - log_error_errno(errno, "Failed to create directory at %s/%s: %m", root, table[i].dir); - return -errno; + if (r < 0 && errno != EEXIST) + return log_error_errno(errno, "Failed to create directory at %s/%s: %m", root, table[i].dir); + + if (uid != UID_INVALID || gid != UID_INVALID) { + if (fchownat(fd, table[i].dir, uid, gid, AT_SYMLINK_NOFOLLOW) < 0) + return log_error_errno(errno, "Failed to chown directory at %s/%s: %m", root, table[i].dir); } }