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proj: Add library file name and symbol name to return address

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This commit is contained in:
Lorenz Stechauner
2025-04-17 13:46:16 +02:00
parent c848fa0514
commit 74c5fa7c2c
4 changed files with 204 additions and 121 deletions
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284
proj/intercept/src/intercept.c
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@@ -214,6 +214,8 @@ func_def(ssize_t, recvmsg)(int, struct msghdr *, int);
#define flag_str(flags, name, buf) if (flags & name) strcat(buf, #name "|")
#define ret_addr __builtin_return_address(0)
#define ret_str ": %p (%s+%p%s%s)"
#define ret_data ret_addr, info.dli_fname, (long)ret_addr - (long)info.dli_fbase, info.dli_sname ? ", " : "", info.dli_sname ? info.dli_sname : ""
#define if_fail if (strncmp(msg_buf, "fail ", 5) == 0)
@@ -852,8 +854,9 @@ static void init(void) {
void *sym(malloc)(size_t size) {
init();
if (!func_flags[func_idx_malloc]) return __real_malloc(size);
msg("malloc(%li): %p", size, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_malloc]) return __real_malloc(size);
msg("malloc(%li)" ret_str, size, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -869,8 +872,9 @@ void *sym(malloc)(size_t size) {
void *sym(calloc)(size_t nmemb, size_t size) {
init();
if (!func_flags[func_idx_calloc]) return __real_calloc(nmemb, size);
msg("calloc(%li, %li): %p", nmemb, size, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_calloc]) return __real_calloc(nmemb, size);
msg("calloc(%li, %li)" ret_str, nmemb, size, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -886,8 +890,9 @@ void *sym(calloc)(size_t nmemb, size_t size) {
void *sym(realloc)(void *ptr, size_t size) {
init();
if (!func_flags[func_idx_realloc]) return __real_realloc(ptr, size);
msg("realloc(%p, %li): %p", ptr, size, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_realloc]) return __real_realloc(ptr, size);
msg("realloc(%p, %li)" ret_str, ptr, size, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -903,8 +908,9 @@ void *sym(realloc)(void *ptr, size_t size) {
void *sym(reallocarray)(void *ptr, size_t nmemb, size_t size) {
init();
if (!func_flags[func_idx_reallocarray]) return __real_reallocarray(ptr, nmemb, size);
msg("reallocarray(%p, %li): %p", ptr, size, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_reallocarray]) return __real_reallocarray(ptr, nmemb, size);
msg("reallocarray(%p, %li)" ret_str, ptr, size, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -920,8 +926,9 @@ void *sym(reallocarray)(void *ptr, size_t nmemb, size_t size) {
void sym(free)(void *ptr) {
init();
if (!func_flags[func_idx_free]) { __real_free(ptr); return; }
msg("free(%p): %p", ptr, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_free]) { __real_free(ptr); return; }
msg("free(%p)" ret_str, ptr, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -935,8 +942,9 @@ void sym(free)(void *ptr) {
int sym(getopt)(const int argc, char *const argv[], const char *shortopts) {
init();
if (!func_flags[func_idx_getopt]) return __real_getopt(argc, argv, shortopts);
msg("getopt(%i, %as, %es): %p", argc, argc, argv, shortopts, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_getopt]) return __real_getopt(argc, argv, shortopts);
msg("getopt(%i, %as, %es)" ret_str, argc, argc, argv, shortopts, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -954,8 +962,9 @@ int sym(getopt)(const int argc, char *const argv[], const char *shortopts) {
void sym(exit)(int status) {
init();
if (!func_flags[func_idx_exit]) __real_exit(status);
msg("exit(%i): %p", status, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_exit]) __real_exit(status);
msg("exit(%i)" ret_str, status, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -967,8 +976,9 @@ void sym(exit)(int status) {
ssize_t sym(read)(int fildes, void *buf, size_t nbyte) {
init();
if (!func_flags[func_idx_read]) return __real_read(fildes, buf, nbyte);
msg("read(%i, %p, %i): %p", fildes, buf, nbyte, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_read]) return __real_read(fildes, buf, nbyte);
msg("read(%i, %p, %i)" ret_str, fildes, buf, nbyte, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -990,8 +1000,9 @@ ssize_t sym(read)(int fildes, void *buf, size_t nbyte) {
ssize_t sym(pread)(int fildes, void *buf, size_t nbyte, off_t offset) {
init();
if (!func_flags[func_idx_pread]) return __real_pread(fildes, buf, nbyte, offset);
msg("pread(%i, %p, %i, %i): %p", fildes, buf, nbyte, offset, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_pread]) return __real_pread(fildes, buf, nbyte, offset);
msg("pread(%i, %p, %i, %i)" ret_str, fildes, buf, nbyte, offset, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1013,8 +1024,9 @@ ssize_t sym(pread)(int fildes, void *buf, size_t nbyte, off_t offset) {
ssize_t sym(write)(int fildes, const void *buf, size_t nbyte) {
init();
if (!func_flags[func_idx_write]) return __real_write(fildes, buf, nbyte);
msg("write(%i, %eb, %i): %p", fildes, nbyte, buf, nbyte, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_write]) return __real_write(fildes, buf, nbyte);
msg("write(%i, %eb, %i)" ret_str, fildes, nbyte, buf, nbyte, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1032,8 +1044,9 @@ ssize_t sym(write)(int fildes, const void *buf, size_t nbyte) {
ssize_t sym(pwrite)(int fildes, const void *buf, size_t nbyte, off_t offset) {
init();
if (!func_flags[func_idx_pwrite]) return __real_pwrite(fildes, buf, nbyte, offset);
msg("pwrite(%i, %eb, %i, %i): %p", fildes, nbyte, buf, nbyte, offset, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_pwrite]) return __real_pwrite(fildes, buf, nbyte, offset);
msg("pwrite(%i, %eb, %i, %i)" ret_str, fildes, nbyte, buf, nbyte, offset, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1051,8 +1064,9 @@ ssize_t sym(pwrite)(int fildes, const void *buf, size_t nbyte, off_t offset) {
int sym(close)(int fildes) {
init();
if (!func_flags[func_idx_close]) return __real_close(fildes);
msg("close(%i): %p", fildes, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_close]) return __real_close(fildes);
msg("close(%i)" ret_str, fildes, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1105,7 +1119,8 @@ static const char *getsigstr(int sig) {
int sym(sigaction)(int sig, const struct sigaction *restrict act, struct sigaction *restrict oact) {
init();
if (!func_flags[func_idx_sigaction]) return __real_sigaction(sig, act, oact);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_sigaction]) return __real_sigaction(sig, act, oact);
const char *sigstr = getsigstr(sig);
if (act != NULL) {
char *name = "sa_handler";
@@ -1129,7 +1144,7 @@ int sym(sigaction)(int sig, const struct sigaction *restrict act, struct sigacti
if (maskstr[0] != 0) strcat(maskstr, ",");
strcat(maskstr, getsigstr(i));
}
msg("sigaction(%i:%s, %p:{sa_flags: 0x%x:%s, %s: %p, sa_mask: [%s]}, %p): %p", sig, sigstr, act, act->sa_flags, flgstr, name, ptr, maskstr, oact, ret_addr);
msg("sigaction(%i:%s, %p:{sa_flags: 0x%x:%s, %s: %p, sa_mask: [%s]}, %p)" ret_str, sig, sigstr, act, act->sa_flags, flgstr, name, ptr, maskstr, oact, ret_data);
} else {
msg("sigaction(%i:%s, %p:{}, %p): %p", sig, sigstr, act, oact, ret_addr);
}
@@ -1177,8 +1192,9 @@ int sym(sigaction)(int sig, const struct sigaction *restrict act, struct sigacti
int sym(sem_init)(sem_t *sem, int pshared, unsigned int value) {
init();
if (!func_flags[func_idx_sem_init]) return __real_sem_init(sem, pshared, value);
msg("sem_init(%p, %i, %u): %p", sem, pshared, value, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_sem_init]) return __real_sem_init(sem, pshared, value);
msg("sem_init(%p, %i, %u)" ret_str, sem, pshared, value, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1194,6 +1210,7 @@ int sym(sem_init)(sem_t *sem, int pshared, unsigned int value) {
sem_t *sym(sem_open)(const char *name, int oflag, ...) {
init();
Dl_info info;
char ostr[32] = "|";
flag_str(oflag, O_CREAT, ostr);
flag_str(oflag, O_EXCL, ostr);
@@ -1207,11 +1224,11 @@ sem_t *sym(sem_open)(const char *name, int oflag, ...) {
mode_arg = va_arg(args, mode_t);
value = va_arg(args, unsigned int);
va_end(args);
if (!func_flags[func_idx_sem_open]) return __real_sem_open(name, oflag, mode_arg, value);
msg("sem_open(%es, 0%o:%s, 0%03o, %u): %p", name, oflag, ostr, mode_arg, value, ret_addr);
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_sem_open]) return __real_sem_open(name, oflag, mode_arg, value);
msg("sem_open(%es, 0%o:%s, 0%03o, %u)" ret_str, name, oflag, ostr, mode_arg, value, ret_data);
} else {
if (!func_flags[func_idx_sem_open]) return __real_sem_open(name, oflag);
msg("sem_open(%es, 0%o:|%s): %p", name, oflag, ostr, ret_addr);
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_sem_open]) return __real_sem_open(name, oflag);
msg("sem_open(%es, 0%o:|%s)" ret_str, name, oflag, ostr, ret_data);
}
char overwrite[BUFFER_SIZE];
@@ -1281,8 +1298,9 @@ sem_t *sym(sem_open)(const char *name, int oflag, ...) {
int sym(sem_post)(sem_t *sem) {
init();
if (!func_flags[func_idx_sem_post]) return __real_sem_post(sem);
msg("sem_post(%p): %p", sem, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_sem_post]) return __real_sem_post(sem);
msg("sem_post(%p)" ret_str, sem, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1298,8 +1316,9 @@ int sym(sem_post)(sem_t *sem) {
int sym(sem_wait)(sem_t *sem) {
init();
if (!func_flags[func_idx_sem_wait]) return __real_sem_wait(sem);
msg("sem_wait(%p): %p", sem, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_sem_wait]) return __real_sem_wait(sem);
msg("sem_wait(%p)" ret_str, sem, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1315,8 +1334,9 @@ int sym(sem_wait)(sem_t *sem) {
int sym(sem_trywait)(sem_t *sem) {
init();
if (!func_flags[func_idx_sem_trywait]) return __real_sem_trywait(sem);
msg("sem_trywait(%p): %p", sem, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_sem_trywait]) return __real_sem_trywait(sem);
msg("sem_trywait(%p)" ret_str, sem, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1332,8 +1352,9 @@ int sym(sem_trywait)(sem_t *sem) {
int sym(sem_timedwait)(sem_t *restrict sem, const struct timespec *restrict abs_timeout) {
init();
if (!func_flags[func_idx_sem_timedwait]) return __real_sem_timedwait(sem, abs_timeout);
msg("sem_timedwait(%p, %qt): %p", sem, abs_timeout, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_sem_timedwait]) return __real_sem_timedwait(sem, abs_timeout);
msg("sem_timedwait(%p, %qt)" ret_str, sem, abs_timeout, ret_data);
struct timespec overwrite;
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
@@ -1378,8 +1399,9 @@ int sym(sem_timedwait)(sem_t *restrict sem, const struct timespec *restrict abs_
int sym(sem_getvalue)(sem_t *restrict sem, int *restrict value) {
init();
if (!func_flags[func_idx_sem_getvalue]) return __real_sem_getvalue(sem, value);
msg("sem_getvalue(%p, %p): %p", sem, value, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_sem_getvalue]) return __real_sem_getvalue(sem, value);
msg("sem_getvalue(%p, %p)" ret_str, sem, value, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1399,8 +1421,9 @@ int sym(sem_getvalue)(sem_t *restrict sem, int *restrict value) {
int sym(sem_close)(sem_t *sem) {
init();
if (!func_flags[func_idx_sem_close]) return __real_sem_close(sem);
msg("sem_close(%p): %p", sem, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_sem_close]) return __real_sem_close(sem);
msg("sem_close(%p)" ret_str, sem, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1416,8 +1439,9 @@ int sym(sem_close)(sem_t *sem) {
int sym(sem_unlink)(const char *name) {
init();
if (!func_flags[func_idx_sem_unlink]) return __real_sem_unlink(name);
msg("sem_unlink(%es): %p", name, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_sem_unlink]) return __real_sem_unlink(name);
msg("sem_unlink(%es)" ret_str, name, ret_data);
char overwrite[BUFFER_SIZE];
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
@@ -1448,8 +1472,9 @@ int sym(sem_unlink)(const char *name) {
int sym(sem_destroy)(sem_t *sem) {
init();
if (!func_flags[func_idx_sem_destroy]) return __real_sem_destroy(sem);
msg("sem_destroy(%p): %p", sem, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_sem_destroy]) return __real_sem_destroy(sem);
msg("sem_destroy(%p)" ret_str, sem, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1465,7 +1490,8 @@ int sym(sem_destroy)(sem_t *sem) {
int sym(shm_open)(const char *name, int oflag, mode_t mode_arg) {
init();
if (!func_flags[func_idx_shm_open]) return __real_shm_open(name, oflag, mode);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_shm_open]) return __real_shm_open(name, oflag, mode);
char ostr[64] = "|";
flag_str(oflag, O_RDONLY, ostr);
flag_str(oflag, O_RDWR, ostr);
@@ -1474,7 +1500,7 @@ int sym(shm_open)(const char *name, int oflag, mode_t mode_arg) {
flag_str(oflag, O_TRUNC, ostr);
if (oflag & ~(O_RDONLY | O_RDWR | O_CREAT | O_EXCL | O_TRUNC)) strcat(ostr, "?|");
msg("shm_open(%es, 0%o:%s, 0%03o): %p", name, oflag, ostr, mode_arg, ret_addr);
msg("shm_open(%es, 0%o:%s, 0%03o)" ret_str, name, oflag, ostr, mode_arg, ret_data);
char overwrite[BUFFER_SIZE];
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
@@ -1542,8 +1568,9 @@ int sym(shm_open)(const char *name, int oflag, mode_t mode_arg) {
int sym(shm_unlink)(const char *name) {
init();
if (!func_flags[func_idx_shm_unlink]) return __real_shm_unlink(name);
msg("shm_unlink(%es): %p", name, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_shm_unlink]) return __real_shm_unlink(name);
msg("shm_unlink(%es)" ret_str, name, ret_data);
char overwrite[BUFFER_SIZE];
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
@@ -1574,7 +1601,8 @@ int sym(shm_unlink)(const char *name) {
void *sym(mmap)(void *addr, size_t len, int prot, int flags, int fildes, off_t off) {
init();
if (!func_flags[func_idx_mmap]) return __real_mmap(addr, len, prot, flags, fildes, off);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_mmap]) return __real_mmap(addr, len, prot, flags, fildes, off);
char pstr[64] = "|";
if (prot == PROT_NONE) strcat(pstr, "PROT_NONE|");
flag_str(prot, PROT_READ, pstr);
@@ -1588,7 +1616,7 @@ void *sym(mmap)(void *addr, size_t len, int prot, int flags, int fildes, off_t o
flag_str(prot, MAP_ANONYMOUS, fstr);
if (prot & ~(MAP_SHARED | MAP_PRIVATE | MAP_FIXED | MAP_ANONYMOUS)) strcat(fstr, "?|");
msg("mmap(%p, %i, 0x%x:%s, %0x%x:%s, %i, %i): %p", addr, len, prot, pstr, flags, fstr, fildes, off, ret_addr);
msg("mmap(%p, %i, 0x%x:%s, %0x%x:%s, %i, %i)" ret_str, addr, len, prot, pstr, flags, fstr, fildes, off, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1608,8 +1636,9 @@ void *sym(mmap)(void *addr, size_t len, int prot, int flags, int fildes, off_t o
int sym(munmap)(void *addr, size_t len) {
init();
if (!func_flags[func_idx_munmap]) return __real_munmap(addr, len);
msg("munmap(%p, %i): %p", addr, len, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_munmap]) return __real_munmap(addr, len);
msg("munmap(%p, %i)" ret_str, addr, len, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1625,8 +1654,9 @@ int sym(munmap)(void *addr, size_t len) {
int sym(ftruncate)(int fildes, off_t length) {
init();
if (!func_flags[func_idx_ftruncate]) return __real_ftruncate(fildes, length);
msg("ftruncate(%i, %i): %p", fildes, length, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_ftruncate]) return __real_ftruncate(fildes, length);
msg("ftruncate(%i, %i)" ret_str, fildes, length, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1642,7 +1672,8 @@ int sym(ftruncate)(int fildes, off_t length) {
pid_t sym(fork)(void) {
init();
if (!func_flags[func_idx_fork]) return __real_fork();
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_fork]) return __real_fork();
msg("fork(): %p", ret_addr);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
@@ -1658,8 +1689,9 @@ pid_t sym(fork)(void) {
pid_t sym(wait)(int *stat_loc) {
init();
if (!func_flags[func_idx_wait]) return __real_wait(stat_loc);
msg("wait(%p): %p", stat_loc, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_wait]) return __real_wait(stat_loc);
msg("wait(%p)" ret_str, stat_loc, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1679,14 +1711,15 @@ pid_t sym(wait)(int *stat_loc) {
pid_t sym(waitpid)(pid_t pid, int *stat_loc, int options) {
init();
if (!func_flags[func_idx_waitpid]) return __real_waitpid(pid, stat_loc, options);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_waitpid]) return __real_waitpid(pid, stat_loc, options);
char ostr[64] = "|";
flag_str(options, WCONTINUED, ostr);
flag_str(options, WNOHANG, ostr);
flag_str(options, WUNTRACED, ostr);
if (options & ~(WCONTINUED | WNOHANG | WUNTRACED)) strcat(ostr, "?|");
msg("waitpid(%i, %p, 0x%x:%s): %p", pid, stat_loc, options, ostr, ret_addr);
msg("waitpid(%i, %p, 0x%x:%s)" ret_str, pid, stat_loc, options, ostr, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1707,6 +1740,7 @@ pid_t sym(waitpid)(pid_t pid, int *stat_loc, int options) {
int sym(execl)(const char *pathname, const char *arg, ...) {
init();
Dl_info info;
va_list args;
va_start(args, arg);
const char *arg_vec[64];
@@ -1715,7 +1749,7 @@ int sym(execl)(const char *pathname, const char *arg, ...) {
arg_vec[i] = va_arg(args, const char *);
}
va_end(args);
if (!func_flags[func_idx_execl]) return __real_execv(pathname, (char *const *)arg_vec);
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_execl]) return __real_execv(pathname, (char *const *)arg_vec);
char arg_buf[4096] = "", *arg_buf_ptr = arg_buf;
for (int i = 1; i < 64; i++) {
arg_buf_ptr[0] = ',';
@@ -1729,7 +1763,7 @@ int sym(execl)(const char *pathname, const char *arg, ...) {
arg_buf_ptr += msg_str(arg_buf, sizeof(arg_buf) - (arg_buf_ptr - arg_buf), arg_vec[i], 0);
}
msg("execl(%es, %es%s): %p", pathname, arg, arg_buf, ret_addr);
msg("execl(%es, %es%s)" ret_str, pathname, arg, arg_buf, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1747,6 +1781,7 @@ int sym(execl)(const char *pathname, const char *arg, ...) {
int sym(execlp)(const char *file, const char *arg, ...) {
init();
Dl_info info;
va_list args;
va_start(args, arg);
const char *arg_vec[64];
@@ -1755,7 +1790,7 @@ int sym(execlp)(const char *file, const char *arg, ...) {
arg_vec[i] = va_arg(args, const char *);
}
va_end(args);
if (!func_flags[func_idx_execlp]) return __real_execvp(file, (char *const *)arg_vec);
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_execlp]) return __real_execvp(file, (char *const *)arg_vec);
char arg_buf[4096] = "", *arg_buf_ptr = arg_buf;
for (int i = 1; i < 64; i++) {
arg_buf_ptr[0] = ',';
@@ -1769,7 +1804,7 @@ int sym(execlp)(const char *file, const char *arg, ...) {
arg_buf_ptr += msg_str(arg_buf, sizeof(arg_buf) - (arg_buf_ptr - arg_buf), arg_vec[i], 0);
}
msg("execlp(%es, %es%s): %p", file, arg, arg_buf, ret_addr);
msg("execlp(%es, %es%s)" ret_str, file, arg, arg_buf, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1787,6 +1822,7 @@ int sym(execlp)(const char *file, const char *arg, ...) {
int sym(execle)(const char *pathname, const char *arg, ...) {
init();
Dl_info info;
va_list args;
va_start(args, arg);
const char *arg_vec[64];
@@ -1800,7 +1836,7 @@ int sym(execle)(const char *pathname, const char *arg, ...) {
}
}
va_end(args);
if (!func_flags[func_idx_execle]) return __real_execvpe(pathname, (char *const *)arg_vec, envp);
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_execle]) return __real_execvpe(pathname, (char *const *)arg_vec, envp);
char arg_buf[4096] = "", *arg_buf_ptr = arg_buf;
for (int i = 1; i < 64; i++) {
arg_buf_ptr[0] = ',';
@@ -1815,7 +1851,7 @@ int sym(execle)(const char *pathname, const char *arg, ...) {
}
int len = 0; for (len = 0; envp[len] != NULL; len++) {}
msg("execle(%es, %es%s, %as): %p", pathname, arg, arg_buf, len, envp, ret_addr);
msg("execle(%es, %es%s, %as)" ret_str, pathname, arg, arg_buf, len, envp, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1833,9 +1869,10 @@ int sym(execle)(const char *pathname, const char *arg, ...) {
int sym(execv)(const char *pathname, char *const argv[]) {
init();
if (!func_flags[func_idx_execv]) return __real_execv(pathname, argv);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_execv]) return __real_execv(pathname, argv);
int len = 0; for (len = 0; argv[len] != NULL; len++) {}
msg("execv(%es, %as): %p", pathname, len, argv, ret_addr);
msg("execv(%es, %as)" ret_str, pathname, len, argv, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1853,9 +1890,10 @@ int sym(execv)(const char *pathname, char *const argv[]) {
int sym(execvp)(const char *file, char *const argv[]) {
init();
if (!func_flags[func_idx_execvp]) return __real_execvp(file, argv);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_execvp]) return __real_execvp(file, argv);
int len = 0; for (len = 0; argv[len] != NULL; len++) {}
msg("execvp(%es, %as): %p", file, len, argv, ret_addr);
msg("execvp(%es, %as)" ret_str, file, len, argv, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1873,10 +1911,11 @@ int sym(execvp)(const char *file, char *const argv[]) {
int sym(execvpe)(const char *file, char *const argv[], char *const envp[]) {
init();
if (!func_flags[func_idx_execvpe]) return __real_execvpe(file, argv, envp);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_execvpe]) return __real_execvpe(file, argv, envp);
int len1 = 0; for (len1 = 0; argv[len1] != NULL; len1++) {}
int len2 = 0; for (len2 = 0; envp[len2] != NULL; len2++) {}
msg("execvpe(%es, %as, %as): %p", file, len1, argv, len2, envp, ret_addr);
msg("execvpe(%es, %as, %as)" ret_str, file, len1, argv, len2, envp, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1894,10 +1933,11 @@ int sym(execvpe)(const char *file, char *const argv[], char *const envp[]) {
int sym(execve)(const char *pathname, char *const argv[], char *const envp[]) {
init();
if (!func_flags[func_idx_execve]) return __real_execve(pathname, argv, envp);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_execve]) return __real_execve(pathname, argv, envp);
int len1 = 0; for (len1 = 0; argv[len1] != NULL; len1++) {}
int len2 = 0; for (len2 = 0; envp[len2] != NULL; len2++) {}
msg("execve(%es, %as, %as): %p", pathname, len1, argv, len2, envp, ret_addr);
msg("execve(%es, %as, %as)" ret_str, pathname, len1, argv, len2, envp, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1915,10 +1955,11 @@ int sym(execve)(const char *pathname, char *const argv[], char *const envp[]) {
int sym(fexecve)(int fd, char *const argv[], char *const envp[]) {
init();
if (!func_flags[func_idx_fexecve]) return __real_fexecve(fd, argv, envp);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_fexecve]) return __real_fexecve(fd, argv, envp);
int len1 = 0; for (len1 = 0; argv[len1] != NULL; len1++) {}
int len2 = 0; for (len2 = 0; envp[len2] != NULL; len2++) {}
msg("fexecve(%i, %as, %as): %p", fd, len1, argv, len2, envp, ret_addr);
msg("fexecve(%i, %as, %as)" ret_str, fd, len1, argv, len2, envp, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1936,8 +1977,9 @@ int sym(fexecve)(int fd, char *const argv[], char *const envp[]) {
int sym(pipe)(int fildes[2]) {
init();
if (!func_flags[func_idx_pipe]) return __real_pipe(fildes);
msg("pipe(%p): %p", fildes, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_pipe]) return __real_pipe(fildes);
msg("pipe(%p)" ret_str, fildes, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1955,8 +1997,9 @@ int sym(pipe)(int fildes[2]) {
int sym(dup)(int oldfd) {
init();
if (!func_flags[func_idx_dup]) return __real_dup(oldfd);
msg("dup(%i): %p", oldfd, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_dup]) return __real_dup(oldfd);
msg("dup(%i)" ret_str, oldfd, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1972,8 +2015,9 @@ int sym(dup)(int oldfd) {
int sym(dup2)(int oldfd, int newfd) {
init();
if (!func_flags[func_idx_dup2]) return __real_dup2(oldfd, newfd);
msg("dup2(%i, %i): %p", oldfd, newfd, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_dup2]) return __real_dup2(oldfd, newfd);
msg("dup2(%i, %i)" ret_str, oldfd, newfd, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -1989,11 +2033,12 @@ int sym(dup2)(int oldfd, int newfd) {
int sym(dup3)(int oldfd, int newfd, int flags) {
init();
if (!func_flags[func_idx_dup3]) return __real_dup3(oldfd, newfd, flags);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_dup3]) return __real_dup3(oldfd, newfd, flags);
char fstr[16] = "|";
flag_str(flags, O_CLOEXEC, fstr);
if (flags & ~(O_CLOEXEC)) strcat(fstr, "?|");
msg("dup3(%i, %i, 0%o:%s): %p", oldfd, newfd, flags, fstr, ret_addr);
msg("dup3(%i, %i, 0%o:%s)" ret_str, oldfd, newfd, flags, fstr, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -2009,8 +2054,9 @@ int sym(dup3)(int oldfd, int newfd, int flags) {
int sym(socket)(int domain, int type, int protocol) {
init();
if (!func_flags[func_idx_socket]) return __real_socket(domain, type, protocol);
msg("socket(%i:%s, %i:%s, %i): %p", domain, getdomainstr(domain), type, getsocktype(type), protocol, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_socket]) return __real_socket(domain, type, protocol);
msg("socket(%i:%s, %i:%s, %i)" ret_str, domain, getdomainstr(domain), type, getsocktype(type), protocol, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -2028,8 +2074,9 @@ int sym(socket)(int domain, int type, int protocol) {
int sym(bind)(int sockfd, const struct sockaddr *address, socklen_t address_len) {
init();
if (!func_flags[func_idx_bind]) return __real_bind(sockfd, address, address_len);
msg("socket(%i, %qa, %i): %p", sockfd, address_len, address, address_len, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_bind]) return __real_bind(sockfd, address, address_len);
msg("socket(%i, %qa, %i)" ret_str, sockfd, address_len, address, address_len, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -2047,8 +2094,9 @@ int sym(bind)(int sockfd, const struct sockaddr *address, socklen_t address_len)
int sym(listen)(int sockfd, int backlog) {
init();
if (!func_flags[func_idx_listen]) return __real_listen(sockfd, backlog);
msg("listen(%i, %i): %p", sockfd, backlog, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_listen]) return __real_listen(sockfd, backlog);
msg("listen(%i, %i)" ret_str, sockfd, backlog, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -2064,8 +2112,9 @@ int sym(listen)(int sockfd, int backlog) {
int sym(accept)(int sockfd, struct sockaddr *restrict address, socklen_t *restrict address_len) {
init();
if (!func_flags[func_idx_accept]) return __real_accept(sockfd, address, address_len);
msg("accept(%i, %p, %p): %p", sockfd, address, address_len, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_accept]) return __real_accept(sockfd, address, address_len);
msg("accept(%i, %p, %p)" ret_str, sockfd, address, address_len, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -2091,8 +2140,9 @@ int sym(accept)(int sockfd, struct sockaddr *restrict address, socklen_t *restri
int sym(connect)(int sockfd, const struct sockaddr *address, socklen_t address_len) {
init();
if (!func_flags[func_idx_connect]) return __real_connect(sockfd, address, address_len);
msg("connect(%i, %qa, %i): %p", sockfd, address_len, address, address_len, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_connect]) return __real_connect(sockfd, address, address_len);
msg("connect(%i, %qa, %i)" ret_str, sockfd, address_len, address, address_len, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -2110,8 +2160,9 @@ int sym(connect)(int sockfd, const struct sockaddr *address, socklen_t address_l
int sym(getaddrinfo)(const char *restrict node, const char *restrict service, const struct addrinfo *restrict hints, struct addrinfo **restrict res) {
init();
if (!func_flags[func_idx_getaddrinfo]) return __real_getaddrinfo(node, service, hints, res);
msg("getaddrinfo(%es, %es, %qi, %p): %p", node, service, hints, res, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_getaddrinfo]) return __real_getaddrinfo(node, service, hints, res);
msg("getaddrinfo(%es, %es, %qi, %p)" ret_str, node, service, hints, res, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -2129,8 +2180,9 @@ int sym(getaddrinfo)(const char *restrict node, const char *restrict service, co
void sym(freeaddrinfo)(struct addrinfo *res) {
init();
if (!func_flags[func_idx_freeaddrinfo]) { __real_freeaddrinfo(res); return; }
msg("freeaddrinfo(%p): %p", res, ret_addr);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_freeaddrinfo]) { __real_freeaddrinfo(res); return; }
msg("freeaddrinfo(%p)" ret_str, res, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -2144,7 +2196,8 @@ void sym(freeaddrinfo)(struct addrinfo *res) {
ssize_t sym(send)(int sockfd, const void *buf, size_t length, int flags) {
init();
if (!func_flags[func_idx_send]) return __real_send(sockfd, buf, length, flags);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_send]) return __real_send(sockfd, buf, length, flags);
char fstr[256] = "|";
flag_str(flags, MSG_CONFIRM, fstr);
flag_str(flags, MSG_DONTROUTE, fstr);
@@ -2156,7 +2209,7 @@ ssize_t sym(send)(int sockfd, const void *buf, size_t length, int flags) {
flag_str(flags, MSG_FASTOPEN, fstr);
if (flags & ~(MSG_CONFIRM | MSG_DONTROUTE | MSG_EOR | MSG_MORE | MSG_NOSIGNAL | MSG_OOB | MSG_FASTOPEN)) strcat(fstr, "?|");
msg("send(%i, %eb, %i, 0x%x:%s): %p", sockfd, length, buf, length, flags, fstr, ret_addr);
msg("send(%i, %eb, %i, 0x%x:%s)" ret_str, sockfd, length, buf, length, flags, fstr, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -2174,7 +2227,8 @@ ssize_t sym(send)(int sockfd, const void *buf, size_t length, int flags) {
ssize_t sym(sendto)(int sockfd, const void *buf, size_t size, int flags, const struct sockaddr *dest_addr, socklen_t addrlen) {
init();
if (!func_flags[func_idx_sendto]) return __real_sendto(sockfd, buf, size, flags, dest_addr, addrlen);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_sendto]) return __real_sendto(sockfd, buf, size, flags, dest_addr, addrlen);
char fstr[256] = "|";
flag_str(flags, MSG_CONFIRM, fstr);
flag_str(flags, MSG_DONTROUTE, fstr);
@@ -2186,7 +2240,7 @@ ssize_t sym(sendto)(int sockfd, const void *buf, size_t size, int flags, const s
flag_str(flags, MSG_FASTOPEN, fstr);
if (flags & ~(MSG_CONFIRM | MSG_DONTROUTE | MSG_EOR | MSG_MORE | MSG_NOSIGNAL | MSG_OOB | MSG_FASTOPEN)) strcat(fstr, "?|");
msg("sendto(%i, %eb, %i, 0x%x:%s, %qa, %i): %p", sockfd, size, buf, size, flags, fstr, addrlen, dest_addr, addrlen, ret_addr);
msg("sendto(%i, %eb, %i, 0x%x:%s, %qa, %i)" ret_str, sockfd, size, buf, size, flags, fstr, addrlen, dest_addr, addrlen, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -2204,7 +2258,8 @@ ssize_t sym(sendto)(int sockfd, const void *buf, size_t size, int flags, const s
ssize_t sym(sendmsg)(int sockfd, const struct msghdr *message, int flags) {
init();
if (!func_flags[func_idx_sendmsg]) return __real_sendmsg(sockfd, message, flags);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_sendmsg]) return __real_sendmsg(sockfd, message, flags);
char fstr[256] = "|";
flag_str(flags, MSG_CONFIRM, fstr);
flag_str(flags, MSG_DONTROUTE, fstr);
@@ -2216,7 +2271,7 @@ ssize_t sym(sendmsg)(int sockfd, const struct msghdr *message, int flags) {
flag_str(flags, MSG_FASTOPEN, fstr);
if (flags & ~(MSG_CONFIRM | MSG_DONTROUTE | MSG_EOR | MSG_MORE | MSG_NOSIGNAL | MSG_OOB | MSG_FASTOPEN)) strcat(fstr, "?|");
msg("sendmsg(%i, %qm, 0x%x:%s): %p", sockfd, message, flags, fstr, ret_addr);
msg("sendmsg(%i, %qm, 0x%x:%s)" ret_str, sockfd, message, flags, fstr, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -2234,7 +2289,8 @@ ssize_t sym(sendmsg)(int sockfd, const struct msghdr *message, int flags) {
ssize_t sym(recv)(int sockfd, void *buf, size_t size, int flags) {
init();
if (!func_flags[func_idx_recv]) return __real_recv(sockfd, buf, size, flags);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_recv]) return __real_recv(sockfd, buf, size, flags);
char fstr[256] = "|";
flag_str(flags, MSG_DONTWAIT, fstr);
flag_str(flags, MSG_ERRQUEUE, fstr);
@@ -2244,7 +2300,7 @@ ssize_t sym(recv)(int sockfd, void *buf, size_t size, int flags) {
flag_str(flags, MSG_WAITALL, fstr);
if (flags & ~(MSG_DONTWAIT | MSG_ERRQUEUE | MSG_OOB | MSG_PEEK | MSG_TRUNC | MSG_WAITALL)) strcat(fstr, "?|");
msg("recv(%i, %p, %i, 0x%x:%s): %p", sockfd, buf, size, flags, fstr, ret_addr);
msg("recv(%i, %p, %i, 0x%x:%s)" ret_str, sockfd, buf, size, flags, fstr, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -2266,7 +2322,8 @@ ssize_t sym(recv)(int sockfd, void *buf, size_t size, int flags) {
ssize_t sym(recvfrom)(int sockfd, void *restrict buf, size_t size, int flags, struct sockaddr *restrict src_addr, socklen_t *restrict addrlen) {
init();
if (!func_flags[func_idx_recvfrom]) return __real_recvfrom(sockfd, buf, size, flags, src_addr, addrlen);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_recvfrom]) return __real_recvfrom(sockfd, buf, size, flags, src_addr, addrlen);
char fstr[256] = "|";
flag_str(flags, MSG_DONTWAIT, fstr);
flag_str(flags, MSG_ERRQUEUE, fstr);
@@ -2276,7 +2333,7 @@ ssize_t sym(recvfrom)(int sockfd, void *restrict buf, size_t size, int flags, st
flag_str(flags, MSG_WAITALL, fstr);
if (flags & ~(MSG_DONTWAIT | MSG_ERRQUEUE | MSG_OOB | MSG_PEEK | MSG_TRUNC | MSG_WAITALL)) strcat(fstr, "?|");
msg("recvfrom(%i, %p, %i, 0x%x:%s, %p, %p): %p", sockfd, buf, size, flags, fstr, addrlen, src_addr, addrlen, ret_addr);
msg("recvfrom(%i, %p, %i, 0x%x:%s, %p, %p)" ret_str, sockfd, buf, size, flags, fstr, addrlen, src_addr, addrlen, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));
@@ -2302,7 +2359,8 @@ ssize_t sym(recvfrom)(int sockfd, void *restrict buf, size_t size, int flags, st
ssize_t sym(recvmsg)(int sockfd, struct msghdr *message, int flags) {
init();
if (!func_flags[func_idx_recvmsg]) return __real_recvmsg(sockfd, message, flags);
Dl_info info;
if (!dladdr(ret_addr, &info) || !func_flags[func_idx_recvmsg]) return __real_recvmsg(sockfd, message, flags);
char fstr[256] = "|";
flag_str(flags, MSG_CMSG_CLOEXEC, fstr);
flag_str(flags, MSG_DONTWAIT, fstr);
@@ -2313,7 +2371,7 @@ ssize_t sym(recvmsg)(int sockfd, struct msghdr *message, int flags) {
flag_str(flags, MSG_WAITALL, fstr);
if (flags & ~(MSG_CMSG_CLOEXEC | MSG_DONTWAIT | MSG_ERRQUEUE | MSG_OOB | MSG_PEEK | MSG_TRUNC | MSG_WAITALL)) strcat(fstr, "?|");
msg("recvmsg(%i, %qm, 0x%x:%s): %p", sockfd, msg, flags, fstr, ret_addr);
msg("recvmsg(%i, %qm, 0x%x:%s)" ret_str, sockfd, msg, flags, fstr, ret_data);
if (mode >= 4) {
char msg_buf[BUFFER_SIZE];
rcv(msg_buf, sizeof(msg_buf));