[PATCH 3/7] Use printpid in print_sockaddr and printsiginfo
Ákos Uzonyi
uzonyi.akos at gmail.com
Sun Jul 12 19:46:32 UTC 2020
* defs.h (print_sockaddr): Add tcp parameter.
* msghdr.c (print_cmsg_ip_recverr): Likewise.
(print_cmsg_ip_origdstaddr): Likewise.
* print_fields.h (PRINT_FIELD_SOCKADDR): Likewise.
* print_group_req.c (MPERS_PRINTER_DECL): Likewise.
* printsiginfo.c (printsigsource): Likewise.
(print_si_info): Likewise.
(printsiginfo): Likewise.
(print_siginfo_t): Likewise.
* printsiginfo.h (printsigsource): Print PID with printpid.
(printsiginfo): Add tcp parameter.
(print_ifreq): Likewise.
(print_ifconf_ifreq): Likewise.
* sockaddr.c (print_sockaddr_data_un): Likewise.
(print_sockaddr_data_in): Likewise.
(print_sockaddr_data_ax25): Likewise.
(print_sockaddr_data_ipx): Likewise.
(print_sockaddr_data_x25): Likewise.
(print_sockaddr_data_in6): Likewise.
(print_sockaddr_data_nl): Print PID with printpid.
(print_sockaddr_data_ll): Add tcp parameter.
(print_sockaddr_data_bt): Likewise.
(sockaddr_printer): Likewise.
(print_sockaddr): Likewise.
(decode_sockaddr): Likewise.
(print_stopped): Likewise.
---
defs.h | 2 +-
msghdr.c | 4 ++--
print_fields.h | 4 ++--
print_group_req.c | 2 +-
printsiginfo.c | 33 ++++++++++++++-------------------
printsiginfo.h | 2 +-
sock.c | 10 +++++-----
sockaddr.c | 40 +++++++++++++++++++++-------------------
strace.c | 2 +-
9 files changed, 48 insertions(+), 51 deletions(-)
diff --git a/defs.h b/defs.h
index 3362ef1f..03179bdb 100644
--- a/defs.h
+++ b/defs.h
@@ -1084,7 +1084,7 @@ printfd(struct tcb *tcp, int fd)
extern void printfd_pid_tracee_ns(struct tcb *tcp, pid_t pid, int fd);
extern void printpid(struct tcb *tcp, int pid, enum pid_type type);
extern void printpid_translation(struct tcb *tcp, int pid, enum pid_type type);
-extern void print_sockaddr(const void *sa, int len);
+extern void print_sockaddr(struct tcb *tcp, const void *sa, int len);
extern bool
print_inet_addr(int af, const void *addr, unsigned int len, const char *var_name);
extern bool
diff --git a/msghdr.c b/msghdr.c
index 930d72bc..1e04b740 100644
--- a/msghdr.c
+++ b/msghdr.c
@@ -216,7 +216,7 @@ print_cmsg_ip_recverr(struct tcb *tcp, const void *cmsg_data,
PRINT_FIELD_U(", ", *err, ee_code);
PRINT_FIELD_U(", ", *err, ee_info);
PRINT_FIELD_U(", ", *err, ee_data);
- PRINT_FIELD_SOCKADDR(", ", *err, offender);
+ PRINT_FIELD_SOCKADDR(", ", *err, offender, tcp);
tprints("}");
}
@@ -228,7 +228,7 @@ print_cmsg_ip_origdstaddr(struct tcb *tcp, const void *cmsg_data,
data_len > sizeof(struct sockaddr_storage)
? sizeof(struct sockaddr_storage) : data_len;
- print_sockaddr(cmsg_data, addr_len);
+ print_sockaddr(tcp, cmsg_data, addr_len);
}
typedef void (* const cmsg_printer)(struct tcb *, const void *, unsigned int);
diff --git a/print_fields.h b/print_fields.h
index 349e8e1b..50eb7f6a 100644
--- a/print_fields.h
+++ b/print_fields.h
@@ -231,10 +231,10 @@
print_ifindex((where_).field_); \
} while (0)
-# define PRINT_FIELD_SOCKADDR(prefix_, where_, field_) \
+# define PRINT_FIELD_SOCKADDR(prefix_, where_, field_, tcp_) \
do { \
STRACE_PRINTF("%s%s=", (prefix_), #field_); \
- print_sockaddr(&(where_).field_, \
+ print_sockaddr(tcp_, &(where_).field_, \
sizeof((where_).field_)); \
} while (0)
diff --git a/print_group_req.c b/print_group_req.c
index f0ce58b9..9e8ce60e 100644
--- a/print_group_req.c
+++ b/print_group_req.c
@@ -30,7 +30,7 @@ MPERS_PRINTER_DECL(void, print_group_req, struct tcb *const tcp,
printaddr(addr);
} else if (!umove_or_printaddr(tcp, addr, &greq)) {
PRINT_FIELD_IFINDEX("{", greq, gr_interface);
- PRINT_FIELD_SOCKADDR(", ", greq, gr_group);
+ PRINT_FIELD_SOCKADDR(", ", greq, gr_group, tcp);
tprints("}");
}
}
diff --git a/printsiginfo.c b/printsiginfo.c
index c2f70534..9db07862 100644
--- a/printsiginfo.c
+++ b/printsiginfo.c
@@ -56,16 +56,11 @@
#endif
static void
-printsigsource(const siginfo_t *sip)
+printsigsource(struct tcb *tcp, const siginfo_t *sip)
{
- /*
- TODO
- We don't have a tcb here to translate this PID
- Should I add a tcb parameter to every function in the call hiearchy?
- */
- tprintf(", si_pid=%u, si_uid=%u",
- (unsigned int) sip->si_pid,
- (unsigned int) sip->si_uid);
+ tprints(", si_pid=");
+ printpid(tcp, sip->si_pid, PT_TGID);
+ tprintf(", si_uid=%u", (unsigned int) sip->si_uid);
}
static void
@@ -122,7 +117,7 @@ print_si_code(int si_signo, unsigned int si_code)
}
static void
-print_si_info(const siginfo_t *sip)
+print_si_info(struct tcb *tcp, const siginfo_t *sip)
{
if (sip->si_errno)
PRINT_FIELD_ERR_U(", ", *sip, si_errno);
@@ -130,10 +125,10 @@ print_si_info(const siginfo_t *sip)
if (SI_FROMUSER(sip)) {
switch (sip->si_code) {
case SI_USER:
- printsigsource(sip);
+ printsigsource(tcp, sip);
break;
case SI_TKILL:
- printsigsource(sip);
+ printsigsource(tcp, sip);
break;
#if defined HAVE_SIGINFO_T_SI_TIMERID && defined HAVE_SIGINFO_T_SI_OVERRUN
case SI_TIMER:
@@ -143,7 +138,7 @@ print_si_info(const siginfo_t *sip)
break;
#endif
default:
- printsigsource(sip);
+ printsigsource(tcp, sip);
if (sip->si_ptr)
printsigval(sip);
break;
@@ -151,7 +146,7 @@ print_si_info(const siginfo_t *sip)
} else {
switch (sip->si_signo) {
case SIGCHLD:
- printsigsource(sip);
+ printsigsource(tcp, sip);
tprints(", si_status=");
if (sip->si_code == CLD_EXITED)
tprintf("%d", sip->si_status);
@@ -210,7 +205,7 @@ print_si_info(const siginfo_t *sip)
#endif
default:
if (sip->si_pid || sip->si_uid)
- printsigsource(sip);
+ printsigsource(tcp, sip);
if (sip->si_ptr)
printsigval(sip);
}
@@ -221,7 +216,7 @@ print_si_info(const siginfo_t *sip)
static
#endif
void
-printsiginfo(const siginfo_t *sip)
+printsiginfo(struct tcb *tcp, const siginfo_t *sip)
{
if (sip->si_signo == 0) {
tprints("{}");
@@ -236,7 +231,7 @@ printsiginfo(const siginfo_t *sip)
#ifdef SI_NOINFO
if (sip->si_code != SI_NOINFO)
#endif
- print_si_info(sip);
+ print_si_info(tcp, sip);
tprints("}");
}
@@ -247,13 +242,13 @@ MPERS_PRINTER_DECL(void, printsiginfo_at,
siginfo_t si;
if (!umove_or_printaddr(tcp, addr, &si))
- printsiginfo(&si);
+ printsiginfo(tcp, &si);
}
static bool
print_siginfo_t(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
{
- printsiginfo((const siginfo_t *) elem_buf);
+ printsiginfo(tcp, (const siginfo_t *) elem_buf);
return true;
}
diff --git a/printsiginfo.h b/printsiginfo.h
index 4088cb54..faf21568 100644
--- a/printsiginfo.h
+++ b/printsiginfo.h
@@ -8,6 +8,6 @@
#ifndef STRACE_PRINTSIGINFO_H
# define STRACE_PRINTSIGINFO_H
-extern void printsiginfo(const siginfo_t *);
+extern void printsiginfo(struct tcb *tcp, const siginfo_t *);
#endif /* !STRACE_PRINTSIGINFO_H */
diff --git a/sock.c b/sock.c
index 5b140070..99a31900 100644
--- a/sock.c
+++ b/sock.c
@@ -44,19 +44,19 @@ print_ifreq(struct tcb *const tcp, const unsigned int code,
switch (code) {
case SIOCSIFADDR:
case SIOCGIFADDR:
- PRINT_FIELD_SOCKADDR("", *ifr, ifr_addr);
+ PRINT_FIELD_SOCKADDR("", *ifr, ifr_addr, tcp);
break;
case SIOCSIFDSTADDR:
case SIOCGIFDSTADDR:
- PRINT_FIELD_SOCKADDR("", *ifr, ifr_dstaddr);
+ PRINT_FIELD_SOCKADDR("", *ifr, ifr_dstaddr, tcp);
break;
case SIOCSIFBRDADDR:
case SIOCGIFBRDADDR:
- PRINT_FIELD_SOCKADDR("", *ifr, ifr_broadaddr);
+ PRINT_FIELD_SOCKADDR("", *ifr, ifr_broadaddr, tcp);
break;
case SIOCSIFNETMASK:
case SIOCGIFNETMASK:
- PRINT_FIELD_SOCKADDR("", *ifr, ifr_netmask);
+ PRINT_FIELD_SOCKADDR("", *ifr, ifr_netmask, tcp);
break;
case SIOCSIFHWADDR:
case SIOCGIFHWADDR: {
@@ -126,7 +126,7 @@ print_ifconf_ifreq(struct tcb *tcp, void *elem_buf, size_t elem_size,
tprints("{ifr_name=");
print_ifname(ifr->ifr_name);
- PRINT_FIELD_SOCKADDR(", ", *ifr, ifr_addr);
+ PRINT_FIELD_SOCKADDR(", ", *ifr, ifr_addr, tcp);
tprints("}");
return true;
diff --git a/sockaddr.c b/sockaddr.c
index 1d0e54b8..fb8887c2 100644
--- a/sockaddr.c
+++ b/sockaddr.c
@@ -47,7 +47,7 @@ const size_t arp_hardware_types_size = ARRAY_SIZE(arp_hardware_types) - 1;
const size_t ethernet_protocols_size = ARRAY_SIZE(ethernet_protocols) - 1;
static void
-print_sockaddr_data_un(const void *const buf, const int addrlen)
+print_sockaddr_data_un(struct tcb *tcp, const void *const buf, const int addrlen)
{
const struct sockaddr_un *const sa_un = buf;
const int un_len = addrlen > (int) sizeof(*sa_un)
@@ -172,7 +172,8 @@ decode_inet_addr(struct tcb *const tcp,
}
static void
-print_sockaddr_data_in(const void *const buf, const int addrlen)
+print_sockaddr_data_in(struct tcb *tcp, const void *const buf,
+ const int addrlen)
{
const struct sockaddr_in *const sa_in = buf;
@@ -183,7 +184,8 @@ print_sockaddr_data_in(const void *const buf, const int addrlen)
#define SIN6_MIN_LEN offsetof(struct sockaddr_in6, sin6_scope_id)
static void
-print_sockaddr_data_in6(const void *const buf, const int addrlen)
+print_sockaddr_data_in6(struct tcb *tcp, const void *const buf,
+ const int addrlen)
{
const struct sockaddr_in6 *const sa_in6 = buf;
@@ -322,7 +324,8 @@ print_ax25_addr(const void /* ax25_address */ *addr_void)
}
static void
-print_sockaddr_data_ax25(const void *const buf, const int addrlen)
+print_sockaddr_data_ax25(struct tcb *tcp, const void *const buf,
+ const int addrlen)
{
const struct full_sockaddr_ax25 *const sax25 = buf;
size_t addrlen_us = MAX(addrlen, 0);
@@ -372,7 +375,8 @@ digis_end:
}
static void
-print_sockaddr_data_ipx(const void *const buf, const int addrlen)
+print_sockaddr_data_ipx(struct tcb *tcp, const void *const buf,
+ const int addrlen)
{
const struct sockaddr_ipx *const sa_ipx = buf;
unsigned int i;
@@ -399,7 +403,8 @@ print_x25_addr(const void /* struct x25_address */ *addr_void)
}
static void
-print_sockaddr_data_x25(const void *const buf, const int addrlen)
+print_sockaddr_data_x25(struct tcb *tcp, const void *const buf,
+ const int addrlen)
{
const struct sockaddr_x25 *const sa_x25 = buf;
@@ -407,16 +412,11 @@ print_sockaddr_data_x25(const void *const buf, const int addrlen)
}
static void
-print_sockaddr_data_nl(const void *const buf, const int addrlen)
+print_sockaddr_data_nl(struct tcb *tcp, const void *const buf, const int addrlen)
{
const struct sockaddr_nl *const sa_nl = buf;
- /*
- TODO
- We don't have a tcb here to translate this PID
- Should I add a tcb parameter to sockaddr_printer?
- */
- PRINT_FIELD_D("", *sa_nl, nl_pid);
+ PRINT_FIELD_TGID("", *sa_nl, nl_pid, tcp);
PRINT_FIELD_0X(", ", *sa_nl, nl_groups);
}
@@ -447,7 +447,8 @@ print_sll_protocol(const struct sockaddr_ll *const sa_ll)
}
static void
-print_sockaddr_data_ll(const void *const buf, const int addrlen)
+print_sockaddr_data_ll(struct tcb *tcp, const void *const buf,
+ const int addrlen)
{
const struct sockaddr_ll *const sa_ll = buf;
@@ -572,7 +573,8 @@ print_bluetooth_l2_cid_end:
}
static void
-print_sockaddr_data_bt(const void *const buf, const int addrlen)
+print_sockaddr_data_bt(struct tcb *tcp, const void *const buf,
+ const int addrlen)
{
struct sockaddr_hci {
/* sa_family_t */ uint16_t hci_family;
@@ -656,7 +658,7 @@ print_sockaddr_data_bt(const void *const buf, const int addrlen)
}
}
-typedef void (* const sockaddr_printer)(const void *const, const int);
+typedef void (* const sockaddr_printer)(struct tcb *tcp, const void *const, const int);
static const struct {
const sockaddr_printer printer;
@@ -674,7 +676,7 @@ static const struct {
};
void
-print_sockaddr(const void *const buf, const int addrlen)
+print_sockaddr(struct tcb *tcp, const void *const buf, const int addrlen)
{
const struct sockaddr *const sa = buf;
@@ -687,7 +689,7 @@ print_sockaddr(const void *const buf, const int addrlen)
if (sa->sa_family < ARRAY_SIZE(sa_printers)
&& sa_printers[sa->sa_family].printer
&& addrlen >= sa_printers[sa->sa_family].min_len) {
- sa_printers[sa->sa_family].printer(buf, addrlen);
+ sa_printers[sa->sa_family].printer(tcp, buf, addrlen);
} else {
print_sockaddr_data_raw(buf, addrlen);
}
@@ -718,7 +720,7 @@ decode_sockaddr(struct tcb *const tcp, const kernel_ulong_t addr, int addrlen)
memset(&addrbuf.pad[addrlen], 0, sizeof(addrbuf.pad) - addrlen);
- print_sockaddr(&addrbuf, addrlen);
+ print_sockaddr(tcp, &addrbuf, addrlen);
return addrbuf.sa.sa_family;
}
diff --git a/strace.c b/strace.c
index 3d519dda..614d6563 100644
--- a/strace.c
+++ b/strace.c
@@ -2949,7 +2949,7 @@ print_stopped(struct tcb *tcp, const siginfo_t *si, const unsigned int sig)
printleader(tcp);
if (si) {
tprintf("--- %s ", sprintsigname(sig));
- printsiginfo(si);
+ printsiginfo(tcp, si);
tprints(" ---\n");
} else
tprintf("--- stopped by %s ---\n", sprintsigname(sig));
--
2.27.0
More information about the Strace-devel
mailing list