diff options
Diffstat (limited to 'src/basic')
-rw-r--r-- | src/basic/bitmap.c | 48 | ||||
-rw-r--r-- | src/basic/copy.c | 6 | ||||
-rw-r--r-- | src/basic/exit-status.c | 3 | ||||
-rw-r--r-- | src/basic/fileio.c | 7 | ||||
-rw-r--r-- | src/basic/macro.h | 21 | ||||
-rw-r--r-- | src/basic/missing.h | 40 | ||||
-rw-r--r-- | src/basic/process-util.c | 52 | ||||
-rw-r--r-- | src/basic/util.c | 14 | ||||
-rw-r--r-- | src/basic/virt.c | 20 |
9 files changed, 157 insertions, 54 deletions
diff --git a/src/basic/bitmap.c b/src/basic/bitmap.c index 0747749d13..bf9d8d4d7c 100644 --- a/src/basic/bitmap.c +++ b/src/basic/bitmap.c @@ -24,7 +24,7 @@ #include "bitmap.h" struct Bitmap { - long long unsigned *bitmaps; + uint64_t *bitmaps; size_t n_bitmaps; size_t bitmaps_allocated; }; @@ -37,9 +37,9 @@ struct Bitmap { /* This indicates that we reached the end of the bitmap */ #define BITMAP_END ((unsigned) -1) -#define BITMAP_NUM_TO_OFFSET(n) ((n) / (sizeof(long long unsigned) * 8)) -#define BITMAP_NUM_TO_REM(n) ((n) % (sizeof(long long unsigned) * 8)) -#define BITMAP_OFFSET_TO_NUM(offset, rem) ((offset) * sizeof(long long unsigned) * 8 + (rem)) +#define BITMAP_NUM_TO_OFFSET(n) ((n) / (sizeof(uint64_t) * 8)) +#define BITMAP_NUM_TO_REM(n) ((n) % (sizeof(uint64_t) * 8)) +#define BITMAP_OFFSET_TO_NUM(offset, rem) ((offset) * sizeof(uint64_t) * 8 + (rem)) Bitmap *bitmap_new(void) { return new0(Bitmap, 1); @@ -56,6 +56,8 @@ void bitmap_free(Bitmap *b) { int bitmap_ensure_allocated(Bitmap **b) { Bitmap *a; + assert(b); + if (*b) return 0; @@ -69,7 +71,7 @@ int bitmap_ensure_allocated(Bitmap **b) { } int bitmap_set(Bitmap *b, unsigned n) { - long long unsigned bitmask; + uint64_t bitmask; unsigned offset; assert(b); @@ -87,7 +89,7 @@ int bitmap_set(Bitmap *b, unsigned n) { b->n_bitmaps = offset + 1; } - bitmask = 1ULL << BITMAP_NUM_TO_REM(n); + bitmask = UINT64_C(1) << BITMAP_NUM_TO_REM(n); b->bitmaps[offset] |= bitmask; @@ -95,26 +97,27 @@ int bitmap_set(Bitmap *b, unsigned n) { } void bitmap_unset(Bitmap *b, unsigned n) { - long long unsigned bitmask; + uint64_t bitmask; unsigned offset; - assert(b); + if (!b) + return; offset = BITMAP_NUM_TO_OFFSET(n); if (offset >= b->n_bitmaps) return; - bitmask = 1ULL << BITMAP_NUM_TO_REM(n); + bitmask = UINT64_C(1) << BITMAP_NUM_TO_REM(n); b->bitmaps[offset] &= ~bitmask; } bool bitmap_isset(Bitmap *b, unsigned n) { - long long unsigned bitmask; + uint64_t bitmask; unsigned offset; - if (!b || !b->bitmaps) + if (!b) return false; offset = BITMAP_NUM_TO_OFFSET(n); @@ -122,7 +125,7 @@ bool bitmap_isset(Bitmap *b, unsigned n) { if (offset >= b->n_bitmaps) return false; - bitmask = 1ULL << BITMAP_NUM_TO_REM(n); + bitmask = UINT64_C(1) << BITMAP_NUM_TO_REM(n); return !!(b->bitmaps[offset] & bitmask); } @@ -133,31 +136,31 @@ bool bitmap_isclear(Bitmap *b) { assert(b); for (i = 0; i < b->n_bitmaps; i++) - if (b->bitmaps[i]) + if (b->bitmaps[i] != 0) return false; return true; } void bitmap_clear(Bitmap *b) { - unsigned i; - assert(b); - for (i = 0; i < b->n_bitmaps; i++) - b->bitmaps[i] = 0; + b->n_bitmaps = 0; } bool bitmap_iterate(Bitmap *b, Iterator *i, unsigned *n) { - long long unsigned bitmask; + uint64_t bitmask; unsigned offset, rem; + assert(i); + assert(n); + if (!b || i->idx == BITMAP_END) return false; offset = BITMAP_NUM_TO_OFFSET(i->idx); rem = BITMAP_NUM_TO_REM(i->idx); - bitmask = 1ULL << rem; + bitmask = UINT64_C(1) << rem; for (; offset < b->n_bitmaps; offset ++) { if (b->bitmaps[offset]) { @@ -181,7 +184,6 @@ bool bitmap_iterate(Bitmap *b, Iterator *i, unsigned *n) { } bool bitmap_equal(Bitmap *a, Bitmap *b) { - unsigned i; if (!a ^ !b) return false; @@ -192,9 +194,5 @@ bool bitmap_equal(Bitmap *a, Bitmap *b) { if (a->n_bitmaps != b->n_bitmaps) return false; - for (i = 0; i < a->n_bitmaps; i++) - if (a->bitmaps[i] != b->bitmaps[i]) - return false; - - return true; + return memcmp(a->bitmaps, b->bitmaps, sizeof(uint64_t) * a->n_bitmaps) == 0; } diff --git a/src/basic/copy.c b/src/basic/copy.c index 230e7e4d3f..e2d356d676 100644 --- a/src/basic/copy.c +++ b/src/basic/copy.c @@ -24,6 +24,7 @@ #include "util.h" #include "btrfs-util.h" +#include "strv.h" #include "copy.h" #define COPY_BUFFER_SIZE (16*1024) @@ -262,10 +263,13 @@ static int fd_copy_directory( (void) copy_xattr(dirfd(d), fdt); } - FOREACH_DIRENT(de, d, return -errno) { + FOREACH_DIRENT_ALL(de, d, return -errno) { struct stat buf; int q; + if (STR_IN_SET(de->d_name, ".", "..")) + continue; + if (fstatat(dirfd(d), de->d_name, &buf, AT_SYMLINK_NOFOLLOW) < 0) { r = -errno; continue; diff --git a/src/basic/exit-status.c b/src/basic/exit-status.c index 5ab36825c0..fcff753ada 100644 --- a/src/basic/exit-status.c +++ b/src/basic/exit-status.c @@ -151,6 +151,9 @@ const char* exit_status_to_string(ExitStatus status, ExitStatusLevel level) { case EXIT_BUS_ENDPOINT: return "BUS_ENDPOINT"; + + case EXIT_SMACK_PROCESS_LABEL: + return "SMACK_PROCESS_LABEL"; } } diff --git a/src/basic/fileio.c b/src/basic/fileio.c index d592bf5ac9..2216853777 100644 --- a/src/basic/fileio.c +++ b/src/basic/fileio.c @@ -786,7 +786,7 @@ int executable_is_script(const char *path, char **interpreter) { */ int get_status_field(const char *filename, const char *pattern, char **field) { _cleanup_free_ char *status = NULL; - char *t; + char *t, *f; size_t len; int r; @@ -820,9 +820,10 @@ int get_status_field(const char *filename, const char *pattern, char **field) { len = strcspn(t, WHITESPACE); - *field = strndup(t, len); - if (!*field) + f = strndup(t, len); + if (!f) return -ENOMEM; + *field = f; return 0; } diff --git a/src/basic/macro.h b/src/basic/macro.h index 5fa17ed208..627d768b76 100644 --- a/src/basic/macro.h +++ b/src/basic/macro.h @@ -26,6 +26,7 @@ #include <sys/types.h> #include <sys/uio.h> #include <inttypes.h> +#include <stdbool.h> #define _printf_(a,b) __attribute__ ((format (printf, a, b))) #define _alloc_(...) __attribute__ ((alloc_size(__VA_ARGS__))) @@ -406,12 +407,12 @@ do { \ #define IN_SET(x, y, ...) \ ({ \ - const typeof(y) _y = (y); \ - const typeof(_y) _x = (x); \ + static const typeof(y) _array[] = { (y), __VA_ARGS__ }; \ + const typeof(y) _x = (x); \ unsigned _i; \ bool _found = false; \ - for (_i = 0; _i < 1 + sizeof((const typeof(_x)[]) { __VA_ARGS__ })/sizeof(const typeof(_x)); _i++) \ - if (((const typeof(_x)[]) { _y, __VA_ARGS__ })[_i] == _x) { \ + for (_i = 0; _i < ELEMENTSOF(_array); _i++) \ + if (_array[_i] == _x) { \ _found = true; \ break; \ } \ @@ -461,6 +462,18 @@ do { \ #define GID_INVALID ((gid_t) -1) #define MODE_INVALID ((mode_t) -1) +static inline bool UID_IS_INVALID(uid_t uid) { + /* We consider both the old 16bit -1 user and the newer 32bit + * -1 user invalid, since they are or used to be incompatible + * with syscalls such as setresuid() or chown(). */ + + return uid == (uid_t) ((uint32_t) -1) || uid == (uid_t) ((uint16_t) -1); +} + +static inline bool GID_IS_INVALID(gid_t gid) { + return gid == (gid_t) ((uint32_t) -1) || gid == (gid_t) ((uint16_t) -1); +} + #define DEFINE_TRIVIAL_CLEANUP_FUNC(type, func) \ static inline void func##p(type *p) { \ if (*p) \ diff --git a/src/basic/missing.h b/src/basic/missing.h index be7f6186fc..ed6cd80c75 100644 --- a/src/basic/missing.h +++ b/src/basic/missing.h @@ -772,7 +772,7 @@ static inline int setns(int fd, int nstype) { #define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1) #endif -#if !HAVE_DECL_IFLA_IPTUN_6RD_RELAY_PREFIXLEN +#if !HAVE_DECL_IFLA_IPTUN_ENCAP_DPORT #define IFLA_IPTUN_UNSPEC 0 #define IFLA_IPTUN_LINK 1 #define IFLA_IPTUN_LOCAL 2 @@ -788,11 +788,41 @@ static inline int setns(int fd, int nstype) { #define IFLA_IPTUN_6RD_RELAY_PREFIX 12 #define IFLA_IPTUN_6RD_PREFIXLEN 13 #define IFLA_IPTUN_6RD_RELAY_PREFIXLEN 14 -#define __IFLA_IPTUN_MAX 15 +#define IFLA_IPTUN_ENCAP_TYPE 15 +#define IFLA_IPTUN_ENCAP_FLAGS 16 +#define IFLA_IPTUN_ENCAP_SPORT 17 +#define IFLA_IPTUN_ENCAP_DPORT 18 + +#define __IFLA_IPTUN_MAX 19 #define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1) #endif +#if !HAVE_DECL_IFLA_GRE_ENCAP_DPORT +#define IFLA_GRE_UNSPEC 0 +#define IFLA_GRE_LINK 1 +#define IFLA_GRE_IFLAGS 2 +#define IFLA_GRE_OFLAGS 3 +#define IFLA_GRE_IKEY 4 +#define IFLA_GRE_OKEY 5 +#define IFLA_GRE_LOCAL 6 +#define IFLA_GRE_REMOTE 7 +#define IFLA_GRE_TTL 8 +#define IFLA_GRE_TOS 9 +#define IFLA_GRE_PMTUDISC 10 +#define IFLA_GRE_ENCAP_LIMIT 11 +#define IFLA_GRE_FLOWINFO 12 +#define IFLA_GRE_FLAGS 13 +#define IFLA_GRE_ENCAP_TYPE 14 +#define IFLA_GRE_ENCAP_FLAGS 15 +#define IFLA_GRE_ENCAP_SPORT 16 +#define IFLA_GRE_ENCAP_DPORT 17 + +#define __IFLA_GRE_MAX 18 + +#define IFLA_GRE_MAX (__IFLA_GRE_MAX - 1) +#endif + #if !HAVE_DECL_IFLA_BRIDGE_VLAN_INFO #define IFLA_BRIDGE_FLAGS 0 #define IFLA_BRIDGE_MODE 1 @@ -802,7 +832,7 @@ static inline int setns(int fd, int nstype) { #define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1) #endif -#if !HAVE_DECL_IFLA_BRPORT_UNICAST_FLOOD +#if !HAVE_DECL_IFLA_BRPORT_LEARNING_SYNC #define IFLA_BRPORT_UNSPEC 0 #define IFLA_BRPORT_STATE 1 #define IFLA_BRPORT_PRIORITY 2 @@ -813,7 +843,9 @@ static inline int setns(int fd, int nstype) { #define IFLA_BRPORT_FAST_LEAVE 7 #define IFLA_BRPORT_LEARNING 8 #define IFLA_BRPORT_UNICAST_FLOOD 9 -#define __IFLA_BRPORT_MAX 10 +#define IFLA_BRPORT_PROXYARP 10 +#define IFLA_BRPORT_LEARNING_SYNC 11 +#define __IFLA_BRPORT_MAX 12 #define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1) #endif diff --git a/src/basic/process-util.c b/src/basic/process-util.c index 2c05f2fee4..61f188467f 100644 --- a/src/basic/process-util.c +++ b/src/basic/process-util.c @@ -43,7 +43,10 @@ int get_process_state(pid_t pid) { assert(pid >= 0); p = procfs_file_alloca(pid, "stat"); + r = read_one_line_file(p, &line); + if (r == -ENOENT) + return -ESRCH; if (r < 0) return r; @@ -87,8 +90,11 @@ int get_process_cmdline(pid_t pid, size_t max_length, bool comm_fallback, char * p = procfs_file_alloca(pid, "cmdline"); f = fopen(p, "re"); - if (!f) + if (!f) { + if (errno == ENOENT) + return -ESRCH; return -errno; + } if (max_length == 0) { size_t len = 0, allocated = 0; @@ -182,8 +188,11 @@ int is_kernel_thread(pid_t pid) { p = procfs_file_alloca(pid, "cmdline"); f = fopen(p, "re"); - if (!f) + if (!f) { + if (errno == ENOENT) + return -ESRCH; return -errno; + } count = fread(&c, 1, 1, f); eof = feof(f); @@ -199,13 +208,18 @@ int is_kernel_thread(pid_t pid) { int get_process_capeff(pid_t pid, char **capeff) { const char *p; + int r; assert(capeff); assert(pid >= 0); p = procfs_file_alloca(pid, "status"); - return get_status_field(p, "\nCapEff:", capeff); + r = get_status_field(p, "\nCapEff:", capeff); + if (r == -ENOENT) + return -ESRCH; + + return r; } static int get_process_link_contents(const char *proc_file, char **name) { @@ -215,8 +229,10 @@ static int get_process_link_contents(const char *proc_file, char **name) { assert(name); r = readlink_malloc(proc_file, name); + if (r == -ENOENT) + return -ESRCH; if (r < 0) - return r == -ENOENT ? -ESRCH : r; + return r; return 0; } @@ -253,8 +269,11 @@ static int get_process_id(pid_t pid, const char *field, uid_t *uid) { p = procfs_file_alloca(pid, "status"); f = fopen(p, "re"); - if (!f) + if (!f) { + if (errno == ENOENT) + return -ESRCH; return -errno; + } FOREACH_LINE(line, f, return -errno) { char *l; @@ -316,8 +335,11 @@ int get_process_environ(pid_t pid, char **env) { p = procfs_file_alloca(pid, "environ"); f = fopen(p, "re"); - if (!f) + if (!f) { + if (errno == ENOENT) + return -ESRCH; return -errno; + } while ((c = fgetc(f)) != EOF) { if (!GREEDY_REALLOC(outcome, allocated, sz + 5)) @@ -329,10 +351,13 @@ int get_process_environ(pid_t pid, char **env) { sz += cescape_char(c, outcome + sz); } - if (sz == 0) - return -ENOENT; + if (!outcome) { + outcome = strdup(""); + if (!outcome) + return -ENOMEM; + } else + outcome[sz] = '\0'; - outcome[sz] = '\0'; *env = outcome; outcome = NULL; @@ -355,6 +380,8 @@ int get_parent_of_pid(pid_t pid, pid_t *_ppid) { p = procfs_file_alloca(pid, "stat"); r = read_one_line_file(p, &line); + if (r == -ENOENT) + return -ESRCH; if (r < 0) return r; @@ -475,8 +502,11 @@ int getenv_for_pid(pid_t pid, const char *field, char **_value) { path = procfs_file_alloca(pid, "environ"); f = fopen(path, "re"); - if (!f) + if (!f) { + if (errno == ENOENT) + return -ESRCH; return -errno; + } l = strlen(field); r = 0; @@ -535,7 +565,7 @@ bool pid_is_alive(pid_t pid) { return false; r = get_process_state(pid); - if (r == -ENOENT || r == 'Z') + if (r == -ESRCH || r == 'Z') return false; return true; diff --git a/src/basic/util.c b/src/basic/util.c index dc20fa9baf..7896be8788 100644 --- a/src/basic/util.c +++ b/src/basic/util.c @@ -5729,13 +5729,19 @@ int unquote_first_word(const char **p, char **ret, UnquoteFlags flags) { case VALUE: if (c == 0) goto finish; - else if (c == '\'') + else if (c == '\'') { + if (!GREEDY_REALLOC(s, allocated, sz+1)) + return -ENOMEM; + state = SINGLE_QUOTE; - else if (c == '\\') + } else if (c == '\\') state = VALUE_ESCAPE; - else if (c == '\"') + else if (c == '\"') { + if (!GREEDY_REALLOC(s, allocated, sz+1)) + return -ENOMEM; + state = DOUBLE_QUOTE; - else if (strchr(WHITESPACE, c)) + } else if (strchr(WHITESPACE, c)) state = SPACE; else { if (!GREEDY_REALLOC(s, allocated, sz+2)) diff --git a/src/basic/virt.c b/src/basic/virt.c index 1299a75ed5..a8d26716a1 100644 --- a/src/basic/virt.c +++ b/src/basic/virt.c @@ -188,7 +188,7 @@ int detect_vm(const char **id) { _cleanup_free_ char *domcap = NULL, *cpuinfo_contents = NULL; static thread_local int cached_found = -1; static thread_local const char *cached_id = NULL; - const char *_id = NULL; + const char *_id = NULL, *_id_cpuid = NULL; int r; if (_likely_(cached_found >= 0)) { @@ -234,10 +234,26 @@ int detect_vm(const char **id) { /* this will set _id to "other" and return 0 for unknown hypervisors */ r = detect_vm_cpuid(&_id); - if (r != 0) + + /* finish when found a known hypervisor other than kvm */ + if (r < 0 || (r > 0 && !streq(_id, "kvm"))) goto finish; + _id_cpuid = _id; + r = detect_vm_dmi(&_id); + + /* kvm with and without Virtualbox */ + if (streq_ptr(_id_cpuid, "kvm")) { + if (r > 0 && streq(_id, "oracle")) + goto finish; + + _id = _id_cpuid; + r = 1; + goto finish; + } + + /* information from dmi */ if (r != 0) goto finish; |