mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-10-25 02:30:57 +00:00
Get Fat Emacs working on Apple Silicon
This commit is contained in:
Justine Tunney
parent
3f9b39883f
commit
bf835de612
14 changed files with 294 additions and 144 deletions
43
ape/ape-m1.c
43
ape/ape-m1.c
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@ -50,7 +50,7 @@ struct Syslib {
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void *);
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void (*pthread_exit)(void *);
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int (*pthread_kill)(pthread_t, int);
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int (*pthread_sigmask)(int, const sigset_t *restrict, sigset_t *restrict);
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int (*pthread_sigmask)(int, const sigset_t *, sigset_t *);
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int (*pthread_setname_np)(const char *);
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dispatch_semaphore_t (*dispatch_semaphore_create)(long);
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long (*dispatch_semaphore_signal)(dispatch_semaphore_t);
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@ -399,23 +399,21 @@ static char *Commandv(struct PathSearcher *ps, const char *name,
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static void pthread_jit_write_protect_np_workaround(int enabled) {
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int count_start = 8192;
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volatile int count = count_start;
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unsigned long *addr, *other, val, val2, reread = -1;
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unsigned long *addr, val, val2, reread = -1;
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addr = (unsigned long *)(!enabled ? _COMM_PAGE_APRR_WRITE_ENABLE
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: _COMM_PAGE_APRR_WRITE_DISABLE);
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other = (unsigned long *)(enabled ? _COMM_PAGE_APRR_WRITE_ENABLE
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: _COMM_PAGE_APRR_WRITE_DISABLE);
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switch (*(volatile unsigned char *)_COMM_PAGE_APRR_SUPPORT) {
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case 1:
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do {
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val = *addr;
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reread = -1;
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asm volatile("msr\tS3_4_c15_c2_7,%0\n"
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__asm__ volatile("msr\tS3_4_c15_c2_7,%0\n"
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"isb\tsy\n"
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: /* no outputs */
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: "r"(val)
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: "memory");
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val2 = *addr;
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asm volatile("mrs\t%0,S3_4_c15_c2_7\n"
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__asm__ volatile("mrs\t%0,S3_4_c15_c2_7\n"
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: "=r"(reread)
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: /* no inputs */
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: "memory");
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@ -429,13 +427,13 @@ static void pthread_jit_write_protect_np_workaround(int enabled) {
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do {
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val = *addr;
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reread = -1;
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asm volatile("msr\tS3_6_c15_c1_5,%0\n"
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__asm__ volatile("msr\tS3_6_c15_c1_5,%0\n"
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"isb\tsy\n"
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: /* no outputs */
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: "r"(val)
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: "memory");
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val2 = *addr;
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asm volatile("mrs\t%0,S3_6_c15_c1_5\n"
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__asm__ volatile("mrs\t%0,S3_6_c15_c1_5\n"
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: "=r"(reread)
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: /* no inputs */
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: "memory");
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@ -595,10 +593,10 @@ __attribute__((__noreturn__)) static void Spawn(const char *exe, int fd,
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/* finish up */
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close(fd);
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register long *x0 asm("x0") = sp;
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register struct Syslib *x15 asm("x15") = lib;
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register long x16 asm("x16") = e->e_entry;
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asm volatile("mov\tx1,#0\n\t"
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register long *x0 __asm__("x0") = sp;
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register struct Syslib *x15 __asm__("x15") = lib;
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register long x16 __asm__("x16") = e->e_entry;
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__asm__ volatile("mov\tx1,#0\n\t"
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"mov\tx2,#0\n\t"
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"mov\tx3,#0\n\t"
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"mov\tx4,#0\n\t"
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@ -769,7 +767,7 @@ static long sys_pipe(int pfds[2]) {
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}
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static long sys_clock_gettime(int clock, struct timespec *ts) {
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return sysret(clock_gettime(clock, ts));
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return sysret(clock_gettime((clockid_t)clock, ts));
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}
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static long sys_nanosleep(const struct timespec *req, struct timespec *rem) {
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@ -782,17 +780,16 @@ static long sys_mmap(void *addr, size_t size, int prot, int flags, int fd,
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}
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int main(int argc, char **argv, char **envp) {
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long z;
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void *map;
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int c, i, n, fd, rc;
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unsigned i;
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int c, n, fd, rc;
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struct ApeLoader *M;
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long *sp, *sp2, *auxv;
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union ElfEhdrBuf *ebuf;
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char *p, *pe, *tp, *exe, *prog, *execfn;
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char *p, *pe, *exe, *prog, *execfn;
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/* allocate loader memory in program's arg block */
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n = sizeof(struct ApeLoader);
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M = __builtin_alloca(n);
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M = (struct ApeLoader *)__builtin_alloca(n);
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/* expose apple libs */
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M->lib.magic = SYSLIB_MAGIC;
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@ -839,7 +836,7 @@ int main(int argc, char **argv, char **envp) {
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} else if (argc < 2) {
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Emit("usage: ape PROG [ARGV1,ARGV2,...]\n"
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" ape - PROG [ARGV0,ARGV1,...]\n"
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"actually portable executable loader silicon 1.6\n"
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"actually portable executable loader silicon 1.7\n"
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"copyright 2023 justine alexandra roberts tunney\n"
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"https://justine.lol/ape.html\n");
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_exit(1);
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@ -853,7 +850,7 @@ int main(int argc, char **argv, char **envp) {
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system v abi aligns this on a 16-byte boundary
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grows down the alloc by poking the guard pages */
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n = (auxv - sp + AUXV_WORDS + 1) * sizeof(long);
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sp2 = __builtin_alloca(n);
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sp2 = (long *)__builtin_alloca(n);
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if ((long)sp2 & 15) ++sp2;
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for (; n > 0; n -= pagesz) {
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((char *)sp2)[n - 1] = 0;
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@ -866,7 +863,7 @@ int main(int argc, char **argv, char **envp) {
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/* allocate ephemeral memory for reading file */
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n = sizeof(union ElfEhdrBuf);
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ebuf = __builtin_alloca(n);
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ebuf = (union ElfEhdrBuf *)__builtin_alloca(n);
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for (; n > 0; n -= pagesz) {
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((char *)ebuf)[n - 1] = 0;
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}
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@ -886,9 +883,7 @@ int main(int argc, char **argv, char **envp) {
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/* resolve argv[0] to reflect path search */
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if ((argc > 0 && *prog != '/' && *exe == '/' && !StrCmp(prog, argv[0])) ||
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!StrCmp(BaseName(prog), argv[0])) {
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tp -= (n = StrLen(exe) + 1);
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MemMove(tp, exe, n);
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argv[0] = tp;
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argv[0] = exe;
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}
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/* generate some hard random data */
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@ -44,6 +44,7 @@
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#include "libc/runtime/pc.internal.h"
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#include "ape/ape.internal.h"
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#include "libc/thread/tls.h"
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#include "ape/ape.h"
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#include "libc/sysv/consts/prot.h"
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#define USE_SYMBOL_HACK 1
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@ -610,7 +611,9 @@ apesh: .ascii "\n@\n#'\"\n" // sixth edition shebang
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// extract the loader into a temp folder, and use it to
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// load the APE without modifying it.
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.ascii "[ x\"$1\" != x--assimilate ] && {\n"
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.ascii "t=\"${TMPDIR:-${HOME:-.}}/.ape-1.7\"\n"
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.ascii "t=\"${TMPDIR:-${HOME:-.}}/.ape-"
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.ascii APE_VERSION_STR
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.ascii "\"\n"
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.ascii "[ -x \"$t\" ] || {\n"
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.ascii "mkdir -p \"${t%/*}\" &&\n"
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.ascii "dd if=\"$o\" of=\"$t.$$\" skip="
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@ -818,7 +821,7 @@ ape.ident:
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.long 1
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1: .asciz "APE"
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2: .balign 4
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3: .long 107000000
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3: .long APE_VERSION_NOTE
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4: .size ape.ident,.-ape.ident
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.type ape.ident,@object
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.previous
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13
ape/ape.h
Normal file
13
ape/ape.h
Normal file
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@ -0,0 +1,13 @@
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#ifndef COSMOPOLITAN_APE_APE_H_
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#define COSMOPOLITAN_APE_APE_H_
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#define APE_VERSION_MAJOR 1
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#define APE_VERSION_MINOR 7
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#define APE_VERSION_STR APE_VERSION_STR_(APE_VERSION_MAJOR, APE_VERSION_MINOR)
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#define APE_VERSION_NOTE APE_VERSION_NOTE_(APE_VERSION_MAJOR, APE_VERSION_MINOR)
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#define APE_VERSION_STR__(x, y) #x "." #y
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#define APE_VERSION_STR_(x, y) APE_VERSION_STR__(x, y)
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#define APE_VERSION_NOTE_(x, y) (100000000 * (x) + 1000000 * (y))
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#endif /* COSMOPOLITAN_APE_APE_H_ */
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@ -88,7 +88,7 @@ o/$(MODE)/ape/ape.elf.dbg: \
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o/$(MODE)/ape/systemcall.o
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@$(COMPILE) -ALINK.elf $(LD) $(APE_LOADER_LDFLAGS) -o $@ $(patsubst %.lds,-T %.lds,$^)
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o/$(MODE)/ape/loader.o: ape/loader.c
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o/$(MODE)/ape/loader.o: ape/loader.c ape/ape.h
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@$(COMPILE) -AOBJECTIFY.c $(CC) -DSUPPORT_VECTOR=1 -g $(APE_LOADER_FLAGS)
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o/$(MODE)/ape/start.o: ape/start.S
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@$(COMPILE) -AOBJECTIFY.S $(OBJECTIFY.S) $(OUTPUT_OPTION) -c $<
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@ -130,6 +130,8 @@ APE_LOADER_FLAGS = \
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-iquote. \
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-Wall \
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-Wextra \
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-Werror \
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-pedantic-errors \
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-fpie \
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-Os \
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-ffreestanding \
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@ -153,6 +155,7 @@ o/ape/idata.inc: \
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o/$(MODE)/ape/ape-no-modify-self.o: \
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ape/ape.S \
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ape/ape.h \
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ape/macros.internal.h \
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ape/notice.inc \
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ape/relocations.h \
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@ -183,6 +186,7 @@ o/$(MODE)/ape/ape-no-modify-self.o: \
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o/$(MODE)/ape/ape-copy-self.o: \
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ape/ape.S \
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ape/ape.h \
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ape/macros.internal.h \
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ape/notice.inc \
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ape/relocations.h \
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29
ape/loader.c
29
ape/loader.c
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@ -16,6 +16,7 @@
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "ape/ape.h"
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/**
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* @fileoverview APE Loader for GNU/Systemd/XNU/FreeBSD/NetBSD/OpenBSD
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@ -104,6 +105,12 @@
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#define IsAarch64() 0
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#endif
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#ifdef __cplusplus
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#define EXTERN_C extern "C"
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#else
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#define EXTERN_C
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#endif
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#define O_RDONLY 0
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#define PROT_NONE 0
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#define PROT_READ 1
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@ -213,8 +220,8 @@ struct ApeLoader {
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char path[1024];
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};
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long SystemCall(long, long, long, long, long, long, long, int);
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void Launch(void *, long, void *, int) __attribute__((__noreturn__));
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EXTERN_C long SystemCall(long, long, long, long, long, long, long, int);
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EXTERN_C void Launch(void *, long, void *, int) __attribute__((__noreturn__));
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extern char __executable_start[];
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extern char _end[];
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@ -882,11 +889,11 @@ static const char *TryElf(struct ApeLoader *M, union ElfEhdrBuf *ebuf,
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Spawn(os, exe, fd, sp, pagesz, e, p);
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}
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static __attribute__((__noreturn__)) void ShowUsage(int os, int fd, int rc) {
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__attribute__((__noreturn__)) static void ShowUsage(int os, int fd, int rc) {
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Print(os, fd,
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"NAME\n"
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"\n"
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" actually portable executable loader version 1.7\n"
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" actually portable executable loader version " APE_VERSION_STR "\n"
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" copyright 2023 justine alexandra roberts tunney\n"
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" https://justine.lol/ape.html\n"
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"\n"
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@ -904,15 +911,17 @@ static __attribute__((__noreturn__)) void ShowUsage(int os, int fd, int rc) {
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Exit(rc, os);
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}
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__attribute__((__noreturn__)) void ApeLoader(long di, long *sp, char dl) {
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EXTERN_C __attribute__((__noreturn__)) void ApeLoader(long di, long *sp,
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char dl) {
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int rc, n;
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unsigned i;
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const char *ape;
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int c, fd, os, argc;
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struct ApeLoader *M;
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unsigned long pagesz;
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union ElfEhdrBuf *ebuf;
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long *auxv, *ap, *endp, *sp2;
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char *p, *pe, *exe, *ape, *prog, **argv, **envp;
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char *p, *pe, *exe, *prog, **argv, **envp;
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(void)Utox;
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@ -999,13 +1008,13 @@ __attribute__((__noreturn__)) void ApeLoader(long di, long *sp, char dl) {
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/* allocate loader memory in program's arg block */
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n = sizeof(struct ApeLoader);
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M = __builtin_alloca(n);
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M = (struct ApeLoader *)__builtin_alloca(n);
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/* create new bottom of stack for spawned program
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system v abi aligns this on a 16-byte boundary
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grows down the alloc by poking the guard pages */
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n = (endp - sp + 1) * sizeof(long);
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sp2 = __builtin_alloca(n);
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sp2 = (long *)__builtin_alloca(n);
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if ((long)sp2 & 15) ++sp2;
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for (; n > 0; n -= pagesz) {
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((char *)sp2)[n - 1] = 0;
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@ -1013,12 +1022,12 @@ __attribute__((__noreturn__)) void ApeLoader(long di, long *sp, char dl) {
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MemMove(sp2, sp, (endp - sp) * sizeof(long));
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argv = (char **)(sp2 + 1);
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envp = (char **)(sp2 + 1 + argc + 1);
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auxv = (char **)(sp2 + (auxv - sp));
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auxv = sp2 + (auxv - sp);
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sp = sp2;
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/* allocate ephemeral memory for reading file */
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n = sizeof(union ElfEhdrBuf);
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ebuf = __builtin_alloca(n);
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ebuf = (union ElfEhdrBuf *)__builtin_alloca(n);
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for (; n > 0; n -= pagesz) {
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((char *)ebuf)[n - 1] = 0;
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}
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@ -17,6 +17,7 @@
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/dce.h"
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#include "ape/ape.h"
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#include "libc/macros.internal.h"
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#ifdef __aarch64__
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@ -64,7 +65,7 @@ ape.ident:
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.long 1
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1: .asciz "APE"
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2: .balign 4
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3: .long 107000000
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3: .long APE_VERSION_NOTE
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4: .size ape.ident,.-ape.ident
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.type ape.ident,@object
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|
|
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|
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@ -16,6 +16,7 @@
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "ape/ape.h"
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#include "libc/calls/blockcancel.internal.h"
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#include "libc/calls/blocksigs.internal.h"
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#include "libc/calls/calls.h"
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@ -85,9 +86,9 @@ int sys_execve(const char *prog, char *const argv[], char *const envp[]) {
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(CanExecute((ape = "/usr/bin/ape")) ||
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CanExecute((ape = Join(firstnonnull(getenv("TMPDIR"),
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firstnonnull(getenv("HOME"), ".")),
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".ape-1.7", buf))) ||
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CanExecute((ape = Join(firstnonnull(getenv("HOME"), "."), ".ape-1.7",
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buf))))) {
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".ape-" APE_VERSION_STR, buf))) ||
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CanExecute((ape = Join(firstnonnull(getenv("HOME"), "."),
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".ape-" APE_VERSION_STR, buf))))) {
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shargs[0] = ape;
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shargs[1] = "-";
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shargs[2] = prog;
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|
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@ -18,7 +18,6 @@
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/dce.h"
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#include "libc/intrin/weaken.h"
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#include "libc/log/backtrace.internal.h"
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#include "libc/log/log.h"
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#include "libc/runtime/runtime.h"
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#include "libc/runtime/symbols.internal.h"
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@ -20,6 +20,7 @@
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#include "libc/calls/struct/stat.h"
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#include "libc/runtime/zipos.internal.h"
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#include "libc/sysv/consts/ok.h"
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#include "libc/sysv/consts/s.h"
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#include "libc/sysv/errfuns.h"
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#include "libc/zip.internal.h"
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@ -43,7 +44,12 @@ int __zipos_access(struct ZiposUri *name, int amode) {
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return -1;
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}
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int mode = GetZipCfileMode(z->map + cf);
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int mode;
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if (cf != ZIPOS_SYNTHETIC_DIRECTORY) {
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mode = GetZipCfileMode(z->map + cf);
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} else {
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mode = S_IFDIR | 0555;
|
||||
}
|
||||
if (amode == F_OK) {
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -33,16 +33,28 @@ static int64_t __zipos_lseek_impl(struct ZiposHandle *h, int64_t offset,
|
|||
}
|
||||
switch (whence) {
|
||||
case SEEK_SET:
|
||||
if (offset >= 0) {
|
||||
return offset;
|
||||
} else {
|
||||
return einval();
|
||||
}
|
||||
case SEEK_CUR:
|
||||
if (!ckd_add(&pos, h->pos, offset)) {
|
||||
if (pos >= 0) {
|
||||
return pos;
|
||||
} else {
|
||||
return einval();
|
||||
}
|
||||
} else {
|
||||
return eoverflow();
|
||||
}
|
||||
case SEEK_END:
|
||||
if (!ckd_sub(&pos, h->size, offset)) {
|
||||
if (pos >= 0) {
|
||||
return pos;
|
||||
} else {
|
||||
return einval();
|
||||
}
|
||||
} else {
|
||||
return eoverflow();
|
||||
}
|
||||
|
|
@ -61,7 +73,6 @@ static int64_t __zipos_lseek_impl(struct ZiposHandle *h, int64_t offset,
|
|||
*/
|
||||
int64_t __zipos_lseek(struct ZiposHandle *h, int64_t offset, unsigned whence) {
|
||||
int64_t pos;
|
||||
if (offset < 0) return einval();
|
||||
pthread_mutex_lock(&h->lock);
|
||||
if ((pos = __zipos_lseek_impl(h, offset, whence)) != -1) {
|
||||
h->pos = pos;
|
||||
|
|
|
|||
|
|
@ -17,11 +17,11 @@ LIBC_TIME_A_SRCS = \
|
|||
$(LIBC_TIME_A_SRCS_C)
|
||||
|
||||
LIBC_TIME_A_OBJS = \
|
||||
o/$(MODE)/usr/share/zoneinfo/.zip.o \
|
||||
$(LIBC_TIME_A_SRCS_S:%.S=o/$(MODE)/%.o) \
|
||||
$(LIBC_TIME_A_SRCS_C:%.c=o/$(MODE)/%.o) \
|
||||
$(LIBC_TIME_A_SRCS_C:%.c=o/$(MODE)/%.o) \
|
||||
$(LIBC_TIME_ZONEINFOS:%=o/$(MODE)/%.zip.o)
|
||||
$(LIBC_TIME_ZONEINFOS:%=o/$(MODE)/%.zip.o) \
|
||||
o/$(MODE)/usr/share/zoneinfo/.zip.o
|
||||
|
||||
LIBC_TIME_A_CHECKS = \
|
||||
$(LIBC_TIME_A).pkg \
|
||||
|
|
|
|||
|
|
@ -69,10 +69,12 @@ TEST(zipos, enoent) {
|
|||
TEST(zipos, readPastEof) {
|
||||
char buf[512];
|
||||
ASSERT_SYS(0, 3, open("/zip/libc/testlib/hyperion.txt", O_RDONLY));
|
||||
EXPECT_SYS(EINVAL, -1, lseek(3, -1, SEEK_CUR));
|
||||
EXPECT_SYS(EINVAL, -1, lseek(3, -1, SEEK_SET));
|
||||
EXPECT_SYS(EINVAL, -1, pread(3, buf, 512, UINT64_MAX));
|
||||
EXPECT_SYS(0, 0, pread(3, buf, 512, INT64_MAX));
|
||||
EXPECT_SYS(EINVAL, -1, lseek(3, UINT64_MAX, SEEK_SET));
|
||||
EXPECT_SYS(0, INT64_MAX, lseek(3, INT64_MAX, SEEK_SET));
|
||||
EXPECT_SYS(EOVERFLOW, -1, lseek(3, 2, SEEK_CUR));
|
||||
EXPECT_SYS(EBADF, -1, write(3, buf, 512));
|
||||
EXPECT_SYS(EBADF, -1, pwrite(3, buf, 512, 0));
|
||||
EXPECT_SYS(0, 0, read(3, buf, 512));
|
||||
|
|
@ -92,3 +94,15 @@ TEST(zipos, trailingComponents_willEnodirFile) {
|
|||
ASSERT_SYS(ENOTDIR, -1, open("/zip/libc/testlib/hyperion.txt/a/b", O_RDONLY));
|
||||
ASSERT_SYS(ENOTDIR, -1, stat("/zip/libc/testlib/hyperion.txt/", &st));
|
||||
}
|
||||
|
||||
TEST(zipos, lseek) {
|
||||
char b1[512], b2[512];
|
||||
ASSERT_SYS(0, 3, open("/zip/libc/testlib/hyperion.txt", O_RDONLY));
|
||||
EXPECT_SYS(0, 512, pread(3, b2, 512, 512 - 200));
|
||||
EXPECT_SYS(0, 512, read(3, b1, 512));
|
||||
EXPECT_SYS(0, 512, lseek(3, 0, SEEK_CUR));
|
||||
EXPECT_SYS(0, 512 - 200, lseek(3, -200, SEEK_CUR));
|
||||
EXPECT_SYS(0, 512, read(3, b1, 512));
|
||||
EXPECT_EQ(0, memcmp(b1, b2, 512));
|
||||
EXPECT_SYS(0, 0, close(3));
|
||||
}
|
||||
|
|
|
|||
119
third_party/musl/pwd.c
vendored
119
third_party/musl/pwd.c
vendored
|
|
@ -25,9 +25,14 @@
|
|||
│ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. │
|
||||
│ │
|
||||
╚─────────────────────────────────────────────────────────────────────────────*/
|
||||
#include "libc/calls/calls.h"
|
||||
#include "libc/calls/weirdtypes.h"
|
||||
#include "libc/dce.h"
|
||||
#include "libc/errno.h"
|
||||
#include "libc/mem/mem.h"
|
||||
#include "libc/paths.h"
|
||||
#include "libc/runtime/runtime.h"
|
||||
#include "libc/stdio/append.h"
|
||||
#include "libc/stdio/stdio.h"
|
||||
#include "libc/str/str.h"
|
||||
#include "libc/thread/thread.h"
|
||||
|
|
@ -39,6 +44,57 @@ Copyright 2005-2014 Rich Felker, et. al.\"");
|
|||
asm(".include \"libc/disclaimer.inc\"");
|
||||
/* clang-format off */
|
||||
|
||||
static char *
|
||||
__create_synthetic_passwd_file(void)
|
||||
{
|
||||
int uid, gid;
|
||||
char login[256], cwd[PATH_MAX];
|
||||
char *user, *home, *shell, *res = 0;
|
||||
uid = getuid();
|
||||
gid = getgid();
|
||||
user = getenv("USER");
|
||||
home = getenv("HOME");
|
||||
shell = getenv("SHELL");
|
||||
if (user && strchr(user, ':'))
|
||||
user = 0;
|
||||
if (home && strchr(home, ':'))
|
||||
user = 0;
|
||||
if (shell && strchr(shell, ':'))
|
||||
user = 0;
|
||||
if (!shell)
|
||||
shell = _PATH_BSHELL;
|
||||
if (!user && getlogin_r(login, sizeof(login)) != -1)
|
||||
user = login;
|
||||
if (!home && getcwd(cwd, sizeof(cwd))) {
|
||||
if (!strchr(cwd, ':'))
|
||||
home = cwd;
|
||||
else
|
||||
home = "/";
|
||||
}
|
||||
if (uid)
|
||||
appendf(&res, "root:x:0:0:root:/root:%s\n", shell);
|
||||
if (user && home) {
|
||||
appendf(&res, "%s:x:%d:%d:%s:%s:%s\n",
|
||||
user, uid, gid, user, home, shell);
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
static FILE *
|
||||
__fopen_passwd(void)
|
||||
{
|
||||
FILE *f;
|
||||
char *s;
|
||||
// MacOS has a fake /etc/passwd file without any user details.
|
||||
if (!IsXnu() && (f = fopen("/etc/passwd", "rbe")))
|
||||
return f;
|
||||
if (!(s = __create_synthetic_passwd_file()))
|
||||
return 0;
|
||||
if (!(f = fmemopen(s, strlen(s), "rb")))
|
||||
free(s);
|
||||
return f;
|
||||
}
|
||||
|
||||
static unsigned
|
||||
atou(char **s)
|
||||
{
|
||||
|
|
@ -104,7 +160,7 @@ __getpw_a(const char *name, uid_t uid, struct passwd *pw, char **buf,
|
|||
int rv = 0;
|
||||
*res = 0;
|
||||
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
|
||||
if ((f = fopen("/etc/passwd", "rbe"))) {
|
||||
if ((f = __fopen_passwd())) {
|
||||
while (!(rv = __getpwent_a(f, pw, buf, size, res)) && *res) {
|
||||
if ((name && !strcmp(name, (*res)->pw_name)) ||
|
||||
(!name && (*res)->pw_uid == uid)) {
|
||||
|
|
@ -167,46 +223,83 @@ static struct GetpwentState {
|
|||
char *line;
|
||||
struct passwd pw;
|
||||
size_t size;
|
||||
} g_getpwent[1];
|
||||
} g_getpwent;
|
||||
|
||||
/**
|
||||
* Closes global handle to password database.
|
||||
*
|
||||
* @see getpwent()
|
||||
*/
|
||||
void
|
||||
endpwent()
|
||||
endpwent(void)
|
||||
{
|
||||
setpwent();
|
||||
}
|
||||
|
||||
/**
|
||||
* Rewinds global handle to password database.
|
||||
*
|
||||
* @see getpwent()
|
||||
*/
|
||||
void
|
||||
setpwent()
|
||||
setpwent(void)
|
||||
{
|
||||
if (g_getpwent->f) fclose(g_getpwent->f);
|
||||
g_getpwent->f = 0;
|
||||
if (g_getpwent.f)
|
||||
fclose(g_getpwent.f);
|
||||
g_getpwent.f = 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns next entry in password database.
|
||||
*
|
||||
* @return pointer to entry static memory, or NULL on EOF
|
||||
* @see getpwent()
|
||||
*/
|
||||
struct passwd *
|
||||
getpwent()
|
||||
{
|
||||
struct passwd *res;
|
||||
if (!g_getpwent->f) g_getpwent->f = fopen("/etc/passwd", "rbe");
|
||||
if (!g_getpwent->f) return 0;
|
||||
__getpwent_a(g_getpwent->f, &g_getpwent->pw, &g_getpwent->line,
|
||||
&g_getpwent->size, &res);
|
||||
if (!g_getpwent.f)
|
||||
g_getpwent.f = __fopen_passwd();
|
||||
if (!g_getpwent.f)
|
||||
return 0;
|
||||
__getpwent_a(g_getpwent.f, &g_getpwent.pw, &g_getpwent.line,
|
||||
&g_getpwent.size, &res);
|
||||
return res;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns password database entry for user id.
|
||||
*
|
||||
* This is essentially guaranteed to succeed if `uid == getuid()`, since
|
||||
* this implementation will generate an entry based on the environment
|
||||
* if `/etc/passwd` doesn't exist, or is fake (e.g. MacOS).
|
||||
*
|
||||
* @return pointer to passwd entry static memory, or NULL if not found
|
||||
*/
|
||||
struct passwd *
|
||||
getpwuid(uid_t uid)
|
||||
{
|
||||
struct passwd *res;
|
||||
__getpw_a(0, uid, &g_getpwent->pw, &g_getpwent->line, &g_getpwent->size,
|
||||
__getpw_a(0, uid, &g_getpwent.pw, &g_getpwent.line, &g_getpwent.size,
|
||||
&res);
|
||||
return res;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns password database entry for user name.
|
||||
*
|
||||
* This is essentially guaranteed to succeed if `uid == getenv("USER")`,
|
||||
* since this implementation will generate an entry based on `environ`
|
||||
* if `/etc/passwd` doesn't exist, or is fake (e.g. MacOS).
|
||||
*
|
||||
* @return pointer to passwd entry static memory, or NULL if not found
|
||||
*/
|
||||
struct passwd *
|
||||
getpwnam(const char *name)
|
||||
{
|
||||
struct passwd *res;
|
||||
__getpw_a(name, 0, &g_getpwent->pw, &g_getpwent->line,
|
||||
&g_getpwent->size, &res);
|
||||
__getpw_a(name, 0, &g_getpwent.pw, &g_getpwent.line,
|
||||
&g_getpwent.size, &res);
|
||||
return res;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -16,6 +16,7 @@
|
|||
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
||||
│ PERFORMANCE OF THIS SOFTWARE. │
|
||||
╚─────────────────────────────────────────────────────────────────────────────*/
|
||||
#include "ape/ape.h"
|
||||
#include "libc/assert.h"
|
||||
#include "libc/calls/calls.h"
|
||||
#include "libc/dce.h"
|
||||
|
|
@ -1390,7 +1391,7 @@ static char *GenerateElfNotes(char *p) {
|
|||
char *save;
|
||||
save = p = ALIGN(p, 4);
|
||||
noteoff = p - prologue;
|
||||
p = GenerateElfNote(p, "APE", 1, 107000000);
|
||||
p = GenerateElfNote(p, "APE", 1, APE_VERSION_NOTE);
|
||||
if (support_vector & _HOSTOPENBSD) {
|
||||
p = GenerateElfNote(p, "OpenBSD", 1, 0);
|
||||
}
|
||||
|
|
@ -1941,7 +1942,7 @@ int main(int argc, char *argv[]) {
|
|||
|
||||
// otherwise try to use the ad-hoc self-extracted loader, securely
|
||||
if (loaders.n) {
|
||||
p = stpcpy(p, "t=\"${TMPDIR:-${HOME:-.}}/.ape-1.7\"\n"
|
||||
p = stpcpy(p, "t=\"${TMPDIR:-${HOME:-.}}/.ape-" APE_VERSION_STR "\"\n"
|
||||
"[ x\"$1\" != x--assimilate ] && "
|
||||
"[ -x \"$t\" ] && "
|
||||
"exec \"$t\" \"$o\" \"$@\"\n");
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue