367d20ec6b
* jk/credentials: t: add test harness for external credential helpers credentials: add "store" helper strbuf: add strbuf_add*_urlencode Makefile: unix sockets may not available on some platforms credentials: add "cache" helper docs: end-user documentation for the credential subsystem credential: make relevance of http path configurable credential: add credential.*.username credential: apply helper config http: use credential API to get passwords credential: add function for parsing url components introduce credentials API t5550: fix typo test-lib: add test_config_global variant Conflicts: strbuf.c
581 lines
14 KiB
C
581 lines
14 KiB
C
#ifndef GIT_COMPAT_UTIL_H
|
|
#define GIT_COMPAT_UTIL_H
|
|
|
|
#define _FILE_OFFSET_BITS 64
|
|
|
|
#ifndef FLEX_ARRAY
|
|
/*
|
|
* See if our compiler is known to support flexible array members.
|
|
*/
|
|
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && (!defined(__SUNPRO_C) || (__SUNPRO_C > 0x580))
|
|
# define FLEX_ARRAY /* empty */
|
|
#elif defined(__GNUC__)
|
|
# if (__GNUC__ >= 3)
|
|
# define FLEX_ARRAY /* empty */
|
|
# else
|
|
# define FLEX_ARRAY 0 /* older GNU extension */
|
|
# endif
|
|
#endif
|
|
|
|
/*
|
|
* Otherwise, default to safer but a bit wasteful traditional style
|
|
*/
|
|
#ifndef FLEX_ARRAY
|
|
# define FLEX_ARRAY 1
|
|
#endif
|
|
#endif
|
|
|
|
#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
|
|
#define bitsizeof(x) (CHAR_BIT * sizeof(x))
|
|
|
|
#define maximum_signed_value_of_type(a) \
|
|
(INTMAX_MAX >> (bitsizeof(intmax_t) - bitsizeof(a)))
|
|
|
|
#define maximum_unsigned_value_of_type(a) \
|
|
(UINTMAX_MAX >> (bitsizeof(uintmax_t) - bitsizeof(a)))
|
|
|
|
/*
|
|
* Signed integer overflow is undefined in C, so here's a helper macro
|
|
* to detect if the sum of two integers will overflow.
|
|
*
|
|
* Requires: a >= 0, typeof(a) equals typeof(b)
|
|
*/
|
|
#define signed_add_overflows(a, b) \
|
|
((b) > maximum_signed_value_of_type(a) - (a))
|
|
|
|
#define unsigned_add_overflows(a, b) \
|
|
((b) > maximum_unsigned_value_of_type(a) - (a))
|
|
|
|
#ifdef __GNUC__
|
|
#define TYPEOF(x) (__typeof__(x))
|
|
#else
|
|
#define TYPEOF(x)
|
|
#endif
|
|
|
|
#define MSB(x, bits) ((x) & TYPEOF(x)(~0ULL << (bitsizeof(x) - (bits))))
|
|
#define HAS_MULTI_BITS(i) ((i) & ((i) - 1)) /* checks if an integer has more than 1 bit set */
|
|
|
|
#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
|
|
|
|
/* Approximation of the length of the decimal representation of this type. */
|
|
#define decimal_length(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1)
|
|
|
|
#if defined(__sun__)
|
|
/*
|
|
* On Solaris, when _XOPEN_EXTENDED is set, its header file
|
|
* forces the programs to be XPG4v2, defeating any _XOPEN_SOURCE
|
|
* setting to say we are XPG5 or XPG6. Also on Solaris,
|
|
* XPG6 programs must be compiled with a c99 compiler, while
|
|
* non XPG6 programs must be compiled with a pre-c99 compiler.
|
|
*/
|
|
# if __STDC_VERSION__ - 0 >= 199901L
|
|
# define _XOPEN_SOURCE 600
|
|
# else
|
|
# define _XOPEN_SOURCE 500
|
|
# endif
|
|
#elif !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__USLC__) && \
|
|
!defined(_M_UNIX) && !defined(__sgi) && !defined(__DragonFly__)
|
|
#define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */
|
|
#define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */
|
|
#endif
|
|
#define _ALL_SOURCE 1
|
|
#define _GNU_SOURCE 1
|
|
#define _BSD_SOURCE 1
|
|
#define _NETBSD_SOURCE 1
|
|
#define _SGI_SOURCE 1
|
|
|
|
#ifdef WIN32 /* Both MinGW and MSVC */
|
|
#define WIN32_LEAN_AND_MEAN /* stops windows.h including winsock.h */
|
|
#include <winsock2.h>
|
|
#include <windows.h>
|
|
#endif
|
|
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <stddef.h>
|
|
#include <stdlib.h>
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
#include <sys/param.h>
|
|
#include <sys/types.h>
|
|
#include <dirent.h>
|
|
#include <sys/time.h>
|
|
#include <time.h>
|
|
#include <signal.h>
|
|
#include <fnmatch.h>
|
|
#include <assert.h>
|
|
#include <regex.h>
|
|
#include <utime.h>
|
|
#include <syslog.h>
|
|
#ifndef NO_SYS_POLL_H
|
|
#include <sys/poll.h>
|
|
#else
|
|
#include <poll.h>
|
|
#endif
|
|
#if defined(__MINGW32__)
|
|
/* pull in Windows compatibility stuff */
|
|
#include "compat/mingw.h"
|
|
#elif defined(_MSC_VER)
|
|
#include "compat/msvc.h"
|
|
#else
|
|
#include <sys/wait.h>
|
|
#include <sys/resource.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/ioctl.h>
|
|
#include <termios.h>
|
|
#ifndef NO_SYS_SELECT_H
|
|
#include <sys/select.h>
|
|
#endif
|
|
#include <netinet/in.h>
|
|
#include <netinet/tcp.h>
|
|
#include <arpa/inet.h>
|
|
#include <netdb.h>
|
|
#include <pwd.h>
|
|
#include <sys/un.h>
|
|
#ifndef NO_INTTYPES_H
|
|
#include <inttypes.h>
|
|
#else
|
|
#include <stdint.h>
|
|
#endif
|
|
#if defined(__CYGWIN__)
|
|
#undef _XOPEN_SOURCE
|
|
#include <grp.h>
|
|
#define _XOPEN_SOURCE 600
|
|
#include "compat/cygwin.h"
|
|
#else
|
|
#undef _ALL_SOURCE /* AIX 5.3L defines a struct list with _ALL_SOURCE. */
|
|
#include <grp.h>
|
|
#define _ALL_SOURCE 1
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef NO_LIBGEN_H
|
|
#include <libgen.h>
|
|
#else
|
|
#define basename gitbasename
|
|
extern char *gitbasename(char *);
|
|
#endif
|
|
|
|
#ifndef NO_ICONV
|
|
#include <iconv.h>
|
|
#endif
|
|
|
|
#ifndef NO_OPENSSL
|
|
#include <openssl/ssl.h>
|
|
#include <openssl/err.h>
|
|
#endif
|
|
|
|
/* On most systems <limits.h> would have given us this, but
|
|
* not on some systems (e.g. GNU/Hurd).
|
|
*/
|
|
#ifndef PATH_MAX
|
|
#define PATH_MAX 4096
|
|
#endif
|
|
|
|
#ifndef PRIuMAX
|
|
#define PRIuMAX "llu"
|
|
#endif
|
|
|
|
#ifndef PRIu32
|
|
#define PRIu32 "u"
|
|
#endif
|
|
|
|
#ifndef PRIx32
|
|
#define PRIx32 "x"
|
|
#endif
|
|
|
|
#ifndef PRIo32
|
|
#define PRIo32 "o"
|
|
#endif
|
|
|
|
#ifndef PATH_SEP
|
|
#define PATH_SEP ':'
|
|
#endif
|
|
|
|
#ifdef HAVE_PATHS_H
|
|
#include <paths.h>
|
|
#endif
|
|
#ifndef _PATH_DEFPATH
|
|
#define _PATH_DEFPATH "/usr/local/bin:/usr/bin:/bin"
|
|
#endif
|
|
|
|
#ifndef STRIP_EXTENSION
|
|
#define STRIP_EXTENSION ""
|
|
#endif
|
|
|
|
#ifndef has_dos_drive_prefix
|
|
#define has_dos_drive_prefix(path) 0
|
|
#endif
|
|
|
|
#ifndef is_dir_sep
|
|
#define is_dir_sep(c) ((c) == '/')
|
|
#endif
|
|
|
|
#ifndef find_last_dir_sep
|
|
#define find_last_dir_sep(path) strrchr(path, '/')
|
|
#endif
|
|
|
|
#if defined(__HP_cc) && (__HP_cc >= 61000)
|
|
#define NORETURN __attribute__((noreturn))
|
|
#define NORETURN_PTR
|
|
#elif defined(__GNUC__) && !defined(NO_NORETURN)
|
|
#define NORETURN __attribute__((__noreturn__))
|
|
#define NORETURN_PTR __attribute__((__noreturn__))
|
|
#elif defined(_MSC_VER)
|
|
#define NORETURN __declspec(noreturn)
|
|
#define NORETURN_PTR
|
|
#else
|
|
#define NORETURN
|
|
#define NORETURN_PTR
|
|
#ifndef __attribute__
|
|
#define __attribute__(x)
|
|
#endif
|
|
#endif
|
|
|
|
#include "compat/bswap.h"
|
|
|
|
/* General helper functions */
|
|
extern void vreportf(const char *prefix, const char *err, va_list params);
|
|
extern void vwritef(int fd, const char *prefix, const char *err, va_list params);
|
|
extern NORETURN void usage(const char *err);
|
|
extern NORETURN void usagef(const char *err, ...) __attribute__((format (printf, 1, 2)));
|
|
extern NORETURN void die(const char *err, ...) __attribute__((format (printf, 1, 2)));
|
|
extern NORETURN void die_errno(const char *err, ...) __attribute__((format (printf, 1, 2)));
|
|
extern int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
|
|
extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
|
|
|
|
extern void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list params));
|
|
extern void set_error_routine(void (*routine)(const char *err, va_list params));
|
|
|
|
extern int prefixcmp(const char *str, const char *prefix);
|
|
extern int suffixcmp(const char *str, const char *suffix);
|
|
|
|
static inline const char *skip_prefix(const char *str, const char *prefix)
|
|
{
|
|
size_t len = strlen(prefix);
|
|
return strncmp(str, prefix, len) ? NULL : str + len;
|
|
}
|
|
|
|
#if defined(NO_MMAP) || defined(USE_WIN32_MMAP)
|
|
|
|
#ifndef PROT_READ
|
|
#define PROT_READ 1
|
|
#define PROT_WRITE 2
|
|
#define MAP_PRIVATE 1
|
|
#endif
|
|
|
|
#define mmap git_mmap
|
|
#define munmap git_munmap
|
|
extern void *git_mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset);
|
|
extern int git_munmap(void *start, size_t length);
|
|
|
|
#else /* NO_MMAP || USE_WIN32_MMAP */
|
|
|
|
#include <sys/mman.h>
|
|
|
|
#endif /* NO_MMAP || USE_WIN32_MMAP */
|
|
|
|
#ifdef NO_MMAP
|
|
|
|
/* This value must be multiple of (pagesize * 2) */
|
|
#define DEFAULT_PACKED_GIT_WINDOW_SIZE (1 * 1024 * 1024)
|
|
|
|
#else /* NO_MMAP */
|
|
|
|
/* This value must be multiple of (pagesize * 2) */
|
|
#define DEFAULT_PACKED_GIT_WINDOW_SIZE \
|
|
(sizeof(void*) >= 8 \
|
|
? 1 * 1024 * 1024 * 1024 \
|
|
: 32 * 1024 * 1024)
|
|
|
|
#endif /* NO_MMAP */
|
|
|
|
#ifndef MAP_FAILED
|
|
#define MAP_FAILED ((void *)-1)
|
|
#endif
|
|
|
|
#ifdef NO_ST_BLOCKS_IN_STRUCT_STAT
|
|
#define on_disk_bytes(st) ((st).st_size)
|
|
#else
|
|
#define on_disk_bytes(st) ((st).st_blocks * 512)
|
|
#endif
|
|
|
|
#define DEFAULT_PACKED_GIT_LIMIT \
|
|
((1024L * 1024L) * (sizeof(void*) >= 8 ? 8192 : 256))
|
|
|
|
#ifdef NO_PREAD
|
|
#define pread git_pread
|
|
extern ssize_t git_pread(int fd, void *buf, size_t count, off_t offset);
|
|
#endif
|
|
/*
|
|
* Forward decl that will remind us if its twin in cache.h changes.
|
|
* This function is used in compat/pread.c. But we can't include
|
|
* cache.h there.
|
|
*/
|
|
extern ssize_t read_in_full(int fd, void *buf, size_t count);
|
|
|
|
#ifdef NO_SETENV
|
|
#define setenv gitsetenv
|
|
extern int gitsetenv(const char *, const char *, int);
|
|
#endif
|
|
|
|
#ifdef NO_MKDTEMP
|
|
#define mkdtemp gitmkdtemp
|
|
extern char *gitmkdtemp(char *);
|
|
#endif
|
|
|
|
#ifdef NO_MKSTEMPS
|
|
#define mkstemps gitmkstemps
|
|
extern int gitmkstemps(char *, int);
|
|
#endif
|
|
|
|
#ifdef NO_UNSETENV
|
|
#define unsetenv gitunsetenv
|
|
extern void gitunsetenv(const char *);
|
|
#endif
|
|
|
|
#ifdef NO_STRCASESTR
|
|
#define strcasestr gitstrcasestr
|
|
extern char *gitstrcasestr(const char *haystack, const char *needle);
|
|
#endif
|
|
|
|
#ifdef NO_STRLCPY
|
|
#define strlcpy gitstrlcpy
|
|
extern size_t gitstrlcpy(char *, const char *, size_t);
|
|
#endif
|
|
|
|
#ifdef NO_STRTOUMAX
|
|
#define strtoumax gitstrtoumax
|
|
extern uintmax_t gitstrtoumax(const char *, char **, int);
|
|
#define strtoimax gitstrtoimax
|
|
extern intmax_t gitstrtoimax(const char *, char **, int);
|
|
#endif
|
|
|
|
#ifdef NO_STRTOK_R
|
|
#define strtok_r gitstrtok_r
|
|
extern char *gitstrtok_r(char *s, const char *delim, char **save_ptr);
|
|
#endif
|
|
|
|
#ifdef NO_HSTRERROR
|
|
#define hstrerror githstrerror
|
|
extern const char *githstrerror(int herror);
|
|
#endif
|
|
|
|
#ifdef NO_MEMMEM
|
|
#define memmem gitmemmem
|
|
void *gitmemmem(const void *haystack, size_t haystacklen,
|
|
const void *needle, size_t needlelen);
|
|
#endif
|
|
|
|
#ifdef FREAD_READS_DIRECTORIES
|
|
#ifdef fopen
|
|
#undef fopen
|
|
#endif
|
|
#define fopen(a,b) git_fopen(a,b)
|
|
extern FILE *git_fopen(const char*, const char*);
|
|
#endif
|
|
|
|
#ifdef SNPRINTF_RETURNS_BOGUS
|
|
#define snprintf git_snprintf
|
|
extern int git_snprintf(char *str, size_t maxsize,
|
|
const char *format, ...);
|
|
#define vsnprintf git_vsnprintf
|
|
extern int git_vsnprintf(char *str, size_t maxsize,
|
|
const char *format, va_list ap);
|
|
#endif
|
|
|
|
#ifdef __GLIBC_PREREQ
|
|
#if __GLIBC_PREREQ(2, 1)
|
|
#define HAVE_STRCHRNUL
|
|
#define HAVE_MEMPCPY
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef HAVE_STRCHRNUL
|
|
#define strchrnul gitstrchrnul
|
|
static inline char *gitstrchrnul(const char *s, int c)
|
|
{
|
|
while (*s && *s != c)
|
|
s++;
|
|
return (char *)s;
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_MEMPCPY
|
|
#define mempcpy gitmempcpy
|
|
static inline void *gitmempcpy(void *dest, const void *src, size_t n)
|
|
{
|
|
return (char *)memcpy(dest, src, n) + n;
|
|
}
|
|
#endif
|
|
|
|
#ifdef NO_INET_PTON
|
|
int inet_pton(int af, const char *src, void *dst);
|
|
#endif
|
|
|
|
#ifdef NO_INET_NTOP
|
|
const char *inet_ntop(int af, const void *src, char *dst, size_t size);
|
|
#endif
|
|
|
|
extern void release_pack_memory(size_t, int);
|
|
|
|
typedef void (*try_to_free_t)(size_t);
|
|
extern try_to_free_t set_try_to_free_routine(try_to_free_t);
|
|
|
|
extern char *xstrdup(const char *str);
|
|
extern void *xmalloc(size_t size);
|
|
extern void *xmallocz(size_t size);
|
|
extern void *xmemdupz(const void *data, size_t len);
|
|
extern char *xstrndup(const char *str, size_t len);
|
|
extern void *xrealloc(void *ptr, size_t size);
|
|
extern void *xcalloc(size_t nmemb, size_t size);
|
|
extern void *xmmap(void *start, size_t length, int prot, int flags, int fd, off_t offset);
|
|
extern ssize_t xread(int fd, void *buf, size_t len);
|
|
extern ssize_t xwrite(int fd, const void *buf, size_t len);
|
|
extern int xdup(int fd);
|
|
extern FILE *xfdopen(int fd, const char *mode);
|
|
extern int xmkstemp(char *template);
|
|
extern int xmkstemp_mode(char *template, int mode);
|
|
extern int odb_mkstemp(char *template, size_t limit, const char *pattern);
|
|
extern int odb_pack_keep(char *name, size_t namesz, unsigned char *sha1);
|
|
|
|
static inline size_t xsize_t(off_t len)
|
|
{
|
|
if (len > (size_t) len)
|
|
die("Cannot handle files this big");
|
|
return (size_t)len;
|
|
}
|
|
|
|
static inline int has_extension(const char *filename, const char *ext)
|
|
{
|
|
size_t len = strlen(filename);
|
|
size_t extlen = strlen(ext);
|
|
return len > extlen && !memcmp(filename + len - extlen, ext, extlen);
|
|
}
|
|
|
|
/* Sane ctype - no locale, and works with signed chars */
|
|
#undef isascii
|
|
#undef isspace
|
|
#undef isdigit
|
|
#undef isalpha
|
|
#undef isalnum
|
|
#undef tolower
|
|
#undef toupper
|
|
extern unsigned char sane_ctype[256];
|
|
#define GIT_SPACE 0x01
|
|
#define GIT_DIGIT 0x02
|
|
#define GIT_ALPHA 0x04
|
|
#define GIT_GLOB_SPECIAL 0x08
|
|
#define GIT_REGEX_SPECIAL 0x10
|
|
#define GIT_PATHSPEC_MAGIC 0x20
|
|
#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
|
|
#define isascii(x) (((x) & ~0x7f) == 0)
|
|
#define isspace(x) sane_istest(x,GIT_SPACE)
|
|
#define isdigit(x) sane_istest(x,GIT_DIGIT)
|
|
#define isalpha(x) sane_istest(x,GIT_ALPHA)
|
|
#define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
|
|
#define is_glob_special(x) sane_istest(x,GIT_GLOB_SPECIAL)
|
|
#define is_regex_special(x) sane_istest(x,GIT_GLOB_SPECIAL | GIT_REGEX_SPECIAL)
|
|
#define tolower(x) sane_case((unsigned char)(x), 0x20)
|
|
#define toupper(x) sane_case((unsigned char)(x), 0)
|
|
#define is_pathspec_magic(x) sane_istest(x,GIT_PATHSPEC_MAGIC)
|
|
|
|
static inline int sane_case(int x, int high)
|
|
{
|
|
if (sane_istest(x, GIT_ALPHA))
|
|
x = (x & ~0x20) | high;
|
|
return x;
|
|
}
|
|
|
|
static inline int strtoul_ui(char const *s, int base, unsigned int *result)
|
|
{
|
|
unsigned long ul;
|
|
char *p;
|
|
|
|
errno = 0;
|
|
ul = strtoul(s, &p, base);
|
|
if (errno || *p || p == s || (unsigned int) ul != ul)
|
|
return -1;
|
|
*result = ul;
|
|
return 0;
|
|
}
|
|
|
|
static inline int strtol_i(char const *s, int base, int *result)
|
|
{
|
|
long ul;
|
|
char *p;
|
|
|
|
errno = 0;
|
|
ul = strtol(s, &p, base);
|
|
if (errno || *p || p == s || (int) ul != ul)
|
|
return -1;
|
|
*result = ul;
|
|
return 0;
|
|
}
|
|
|
|
#ifdef INTERNAL_QSORT
|
|
void git_qsort(void *base, size_t nmemb, size_t size,
|
|
int(*compar)(const void *, const void *));
|
|
#define qsort git_qsort
|
|
#endif
|
|
|
|
#ifndef DIR_HAS_BSD_GROUP_SEMANTICS
|
|
# define FORCE_DIR_SET_GID S_ISGID
|
|
#else
|
|
# define FORCE_DIR_SET_GID 0
|
|
#endif
|
|
|
|
#ifdef NO_NSEC
|
|
#undef USE_NSEC
|
|
#define ST_CTIME_NSEC(st) 0
|
|
#define ST_MTIME_NSEC(st) 0
|
|
#else
|
|
#ifdef USE_ST_TIMESPEC
|
|
#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctimespec.tv_nsec))
|
|
#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtimespec.tv_nsec))
|
|
#else
|
|
#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctim.tv_nsec))
|
|
#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtim.tv_nsec))
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef UNRELIABLE_FSTAT
|
|
#define fstat_is_reliable() 0
|
|
#else
|
|
#define fstat_is_reliable() 1
|
|
#endif
|
|
|
|
#ifndef va_copy
|
|
/*
|
|
* Since an obvious implementation of va_list would be to make it a
|
|
* pointer into the stack frame, a simple assignment will work on
|
|
* many systems. But let's try to be more portable.
|
|
*/
|
|
#ifdef __va_copy
|
|
#define va_copy(dst, src) __va_copy(dst, src)
|
|
#else
|
|
#define va_copy(dst, src) ((dst) = (src))
|
|
#endif
|
|
#endif
|
|
|
|
/*
|
|
* Preserves errno, prints a message, but gives no warning for ENOENT.
|
|
* Always returns the return value of unlink(2).
|
|
*/
|
|
int unlink_or_warn(const char *path);
|
|
/*
|
|
* Likewise for rmdir(2).
|
|
*/
|
|
int rmdir_or_warn(const char *path);
|
|
/*
|
|
* Calls the correct function out of {unlink,rmdir}_or_warn based on
|
|
* the supplied file mode.
|
|
*/
|
|
int remove_or_warn(unsigned int mode, const char *path);
|
|
|
|
#endif
|