/*
- * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define _LGPL_SOURCE
/* Mi dependancy */
#include <common/mi-lttng.h>
+#include <lttng/event-internal.h>
+
#include "../command.h"
+#include "../loglevel.h"
#if (LTTNG_SYMBOL_NAME_LEN == 256)
#define LTTNG_SYMBOL_NAME_LEN_SCANF_IS_A_BROKEN_API "255"
}
/* Check for symbol */
- if (isalpha(name[0])) {
+ if (isalpha(name[0]) || name[0] == '_') {
match = sscanf(opt, "%" LTTNG_SYMBOL_NAME_LEN_SCANF_IS_A_BROKEN_API "s",
name);
if (match == 1) {
/* Check for address */
match = sscanf(opt, "%" S_HEX_LEN_SCANF_IS_A_BROKEN_API "s", s_hex);
if (match > 0) {
- if (*s_hex == '\0') {
- ERR("Invalid probe address %s", s_hex);
+ /*
+ * Return an error if the first character of the tentative
+ * address is NULL or not a digit. It can be "0" if the address
+ * is in hexadecimal and can be 1 to 9 if it's in decimal.
+ */
+ if (*s_hex == '\0' || !isdigit(*s_hex)) {
+ ERR("Invalid probe description %s", s_hex);
ret = CMD_ERROR;
goto end;
}
*/
static int warn_userspace_probe_syntax(const char *symbol)
{
- unsigned long addr = 0;
- size_t offset = 0;
int ret;
/* Check if the symbol field is an hex address. */
- ret = sscanf(symbol, "0x%lx", &addr);
+ ret = sscanf(symbol, "0x%*x");
if (ret > 0) {
/* If there is a match, print a warning and return an error. */
ERR("Userspace probe on address not supported yet.");
}
/* Check if the symbol field is an decimal address. */
- ret = sscanf(symbol, "%lu", &addr);
+ ret = sscanf(symbol, "%*u");
if (ret > 0) {
/* If there is a match, print a warning and return an error. */
ERR("Userspace probe on address not supported yet.");
}
/* Check if the symbol field is symbol+hex_offset. */
- ret = sscanf(symbol, "%*[^+]+0x%lx", &offset);
+ ret = sscanf(symbol, "%*[^+]+0x%*x");
if (ret > 0) {
/* If there is a match, print a warning and return an error. */
ERR("Userspace probe on symbol+offset not supported yet.");
}
/* Check if the symbol field is symbol+decimal_offset. */
- ret = sscanf(symbol, "%*[^+]+%lu", &offset);
+ ret = sscanf(symbol, "%*[^+]+%*u");
if (ret > 0) {
/* If there is a match, print a warning and return an error. */
ERR("Userspace probe on symbol+offset not supported yet.");
lookup_method =
lttng_userspace_probe_location_lookup_method_tracepoint_sdt_create();
if (!lookup_method) {
- WARN("Failed to create ELF lookup method");
+ WARN("Failed to create SDT lookup method");
ret = CMD_ERROR;
goto end_string;
}
}
/*
- * Check if the file exists using access(2). If it does not, walk the
- * $PATH.
+ * Check if the file exists using access(2), If it does not,
+ * return an error.
*/
ret = access(real_target_path, F_OK);
if (ret) {
return ret;
}
-/*
- * Maps LOG4j loglevel from string to value
- */
-static int loglevel_log4j_str_to_value(const char *inputstr)
-{
- int i = 0;
- char str[LTTNG_SYMBOL_NAME_LEN];
-
- if (!inputstr || strlen(inputstr) == 0) {
- return -1;
- }
-
- /*
- * Loop up to LTTNG_SYMBOL_NAME_LEN minus one because the NULL bytes is
- * added at the end of the loop so a the upper bound we avoid the overflow.
- */
- while (i < (LTTNG_SYMBOL_NAME_LEN - 1) && inputstr[i] != '\0') {
- str[i] = toupper(inputstr[i]);
- i++;
- }
- str[i] = '\0';
-
- if (!strcmp(str, "LOG4J_OFF") || !strcmp(str, "OFF")) {
- return LTTNG_LOGLEVEL_LOG4J_OFF;
- } else if (!strcmp(str, "LOG4J_FATAL") || !strcmp(str, "FATAL")) {
- return LTTNG_LOGLEVEL_LOG4J_FATAL;
- } else if (!strcmp(str, "LOG4J_ERROR") || !strcmp(str, "ERROR")) {
- return LTTNG_LOGLEVEL_LOG4J_ERROR;
- } else if (!strcmp(str, "LOG4J_WARN") || !strcmp(str, "WARN")) {
- return LTTNG_LOGLEVEL_LOG4J_WARN;
- } else if (!strcmp(str, "LOG4J_INFO") || !strcmp(str, "INFO")) {
- return LTTNG_LOGLEVEL_LOG4J_INFO;
- } else if (!strcmp(str, "LOG4J_DEBUG") || !strcmp(str, "DEBUG")) {
- return LTTNG_LOGLEVEL_LOG4J_DEBUG;
- } else if (!strcmp(str, "LOG4J_TRACE") || !strcmp(str, "TRACE")) {
- return LTTNG_LOGLEVEL_LOG4J_TRACE;
- } else if (!strcmp(str, "LOG4J_ALL") || !strcmp(str, "ALL")) {
- return LTTNG_LOGLEVEL_LOG4J_ALL;
- } else {
- return -1;
- }
-}
-
-/*
- * Maps JUL loglevel from string to value
- */
-static int loglevel_jul_str_to_value(const char *inputstr)
-{
- int i = 0;
- char str[LTTNG_SYMBOL_NAME_LEN];
-
- if (!inputstr || strlen(inputstr) == 0) {
- return -1;
- }
-
- /*
- * Loop up to LTTNG_SYMBOL_NAME_LEN minus one because the NULL bytes is
- * added at the end of the loop so a the upper bound we avoid the overflow.
- */
- while (i < (LTTNG_SYMBOL_NAME_LEN - 1) && inputstr[i] != '\0') {
- str[i] = toupper(inputstr[i]);
- i++;
- }
- str[i] = '\0';
-
- if (!strcmp(str, "JUL_OFF") || !strcmp(str, "OFF")) {
- return LTTNG_LOGLEVEL_JUL_OFF;
- } else if (!strcmp(str, "JUL_SEVERE") || !strcmp(str, "SEVERE")) {
- return LTTNG_LOGLEVEL_JUL_SEVERE;
- } else if (!strcmp(str, "JUL_WARNING") || !strcmp(str, "WARNING")) {
- return LTTNG_LOGLEVEL_JUL_WARNING;
- } else if (!strcmp(str, "JUL_INFO") || !strcmp(str, "INFO")) {
- return LTTNG_LOGLEVEL_JUL_INFO;
- } else if (!strcmp(str, "JUL_CONFIG") || !strcmp(str, "CONFIG")) {
- return LTTNG_LOGLEVEL_JUL_CONFIG;
- } else if (!strcmp(str, "JUL_FINE") || !strcmp(str, "FINE")) {
- return LTTNG_LOGLEVEL_JUL_FINE;
- } else if (!strcmp(str, "JUL_FINER") || !strcmp(str, "FINER")) {
- return LTTNG_LOGLEVEL_JUL_FINER;
- } else if (!strcmp(str, "JUL_FINEST") || !strcmp(str, "FINEST")) {
- return LTTNG_LOGLEVEL_JUL_FINEST;
- } else if (!strcmp(str, "JUL_ALL") || !strcmp(str, "ALL")) {
- return LTTNG_LOGLEVEL_JUL_ALL;
- } else {
- return -1;
- }
-}
-
-/*
- * Maps Python loglevel from string to value
- */
-static int loglevel_python_str_to_value(const char *inputstr)
-{
- int i = 0;
- char str[LTTNG_SYMBOL_NAME_LEN];
-
- if (!inputstr || strlen(inputstr) == 0) {
- return -1;
- }
-
- /*
- * Loop up to LTTNG_SYMBOL_NAME_LEN minus one because the NULL bytes is
- * added at the end of the loop so a the upper bound we avoid the overflow.
- */
- while (i < (LTTNG_SYMBOL_NAME_LEN - 1) && inputstr[i] != '\0') {
- str[i] = toupper(inputstr[i]);
- i++;
- }
- str[i] = '\0';
-
- if (!strcmp(str, "PYTHON_CRITICAL") || !strcmp(str, "CRITICAL")) {
- return LTTNG_LOGLEVEL_PYTHON_CRITICAL;
- } else if (!strcmp(str, "PYTHON_ERROR") || !strcmp(str, "ERROR")) {
- return LTTNG_LOGLEVEL_PYTHON_ERROR;
- } else if (!strcmp(str, "PYTHON_WARNING") || !strcmp(str, "WARNING")) {
- return LTTNG_LOGLEVEL_PYTHON_WARNING;
- } else if (!strcmp(str, "PYTHON_INFO") || !strcmp(str, "INFO")) {
- return LTTNG_LOGLEVEL_PYTHON_INFO;
- } else if (!strcmp(str, "PYTNON_DEBUG") || !strcmp(str, "DEBUG")) {
- return LTTNG_LOGLEVEL_PYTHON_DEBUG;
- } else if (!strcmp(str, "PYTHON_NOTSET") || !strcmp(str, "NOTSET")) {
- return LTTNG_LOGLEVEL_PYTHON_NOTSET;
- } else {
- return -1;
- }
-}
-
-/*
- * Maps loglevel from string to value
- */
-static
-int loglevel_str_to_value(const char *inputstr)
-{
- int i = 0;
- char str[LTTNG_SYMBOL_NAME_LEN];
-
- if (!inputstr || strlen(inputstr) == 0) {
- return -1;
- }
-
- /*
- * Loop up to LTTNG_SYMBOL_NAME_LEN minus one because the NULL bytes is
- * added at the end of the loop so a the upper bound we avoid the overflow.
- */
- while (i < (LTTNG_SYMBOL_NAME_LEN - 1) && inputstr[i] != '\0') {
- str[i] = toupper(inputstr[i]);
- i++;
- }
- str[i] = '\0';
- if (!strcmp(str, "TRACE_EMERG") || !strcmp(str, "EMERG")) {
- return LTTNG_LOGLEVEL_EMERG;
- } else if (!strcmp(str, "TRACE_ALERT") || !strcmp(str, "ALERT")) {
- return LTTNG_LOGLEVEL_ALERT;
- } else if (!strcmp(str, "TRACE_CRIT") || !strcmp(str, "CRIT")) {
- return LTTNG_LOGLEVEL_CRIT;
- } else if (!strcmp(str, "TRACE_ERR") || !strcmp(str, "ERR")) {
- return LTTNG_LOGLEVEL_ERR;
- } else if (!strcmp(str, "TRACE_WARNING") || !strcmp(str, "WARNING")) {
- return LTTNG_LOGLEVEL_WARNING;
- } else if (!strcmp(str, "TRACE_NOTICE") || !strcmp(str, "NOTICE")) {
- return LTTNG_LOGLEVEL_NOTICE;
- } else if (!strcmp(str, "TRACE_INFO") || !strcmp(str, "INFO")) {
- return LTTNG_LOGLEVEL_INFO;
- } else if (!strcmp(str, "TRACE_DEBUG_SYSTEM") || !strcmp(str, "DEBUG_SYSTEM") || !strcmp(str, "SYSTEM")) {
- return LTTNG_LOGLEVEL_DEBUG_SYSTEM;
- } else if (!strcmp(str, "TRACE_DEBUG_PROGRAM") || !strcmp(str, "DEBUG_PROGRAM") || !strcmp(str, "PROGRAM")) {
- return LTTNG_LOGLEVEL_DEBUG_PROGRAM;
- } else if (!strcmp(str, "TRACE_DEBUG_PROCESS") || !strcmp(str, "DEBUG_PROCESS") || !strcmp(str, "PROCESS")) {
- return LTTNG_LOGLEVEL_DEBUG_PROCESS;
- } else if (!strcmp(str, "TRACE_DEBUG_MODULE") || !strcmp(str, "DEBUG_MODULE") || !strcmp(str, "MODULE")) {
- return LTTNG_LOGLEVEL_DEBUG_MODULE;
- } else if (!strcmp(str, "TRACE_DEBUG_UNIT") || !strcmp(str, "DEBUG_UNIT") || !strcmp(str, "UNIT")) {
- return LTTNG_LOGLEVEL_DEBUG_UNIT;
- } else if (!strcmp(str, "TRACE_DEBUG_FUNCTION") || !strcmp(str, "DEBUG_FUNCTION") || !strcmp(str, "FUNCTION")) {
- return LTTNG_LOGLEVEL_DEBUG_FUNCTION;
- } else if (!strcmp(str, "TRACE_DEBUG_LINE") || !strcmp(str, "DEBUG_LINE") || !strcmp(str, "LINE")) {
- return LTTNG_LOGLEVEL_DEBUG_LINE;
- } else if (!strcmp(str, "TRACE_DEBUG") || !strcmp(str, "DEBUG")) {
- return LTTNG_LOGLEVEL_DEBUG;
- } else {
- return -1;
- }
-}
-
static
const char *print_channel_name(const char *name)
{
{
int length = 0;
int i;
- const char *preamble = " excluding ";
+ const char preamble[] = " excluding ";
char *ret;
int count = names ? strutils_array_of_strings_len(names) : 0;
length += strlen(names[i]) + 4;
}
- /* add length of preamble + one for NUL - one for last (missing) comma */
- length += strlen(preamble);
- ret = zmalloc(length + 1);
+ length += sizeof(preamble);
+ ret = zmalloc(length);
if (!ret) {
return NULL;
}
strcpy(ev->name, "*");
ev->loglevel_type = opt_loglevel_type;
if (opt_loglevel) {
+ int name_search_ret;
+
assert(opt_userspace || opt_jul || opt_log4j || opt_python);
+
if (opt_userspace) {
- ev->loglevel = loglevel_str_to_value(opt_loglevel);
+ enum lttng_loglevel loglevel;
+
+ name_search_ret = loglevel_name_to_value(opt_loglevel, &loglevel);
+ ev->loglevel = (int) loglevel;
} else if (opt_jul) {
- ev->loglevel = loglevel_jul_str_to_value(opt_loglevel);
+ enum lttng_loglevel_jul loglevel;
+
+ name_search_ret = loglevel_jul_name_to_value(opt_loglevel, &loglevel);
+ ev->loglevel = (int) loglevel;
} else if (opt_log4j) {
- ev->loglevel = loglevel_log4j_str_to_value(opt_loglevel);
+ enum lttng_loglevel_log4j loglevel;
+
+ name_search_ret = loglevel_log4j_name_to_value(opt_loglevel, &loglevel);
+ ev->loglevel = (int) loglevel;
} else if (opt_python) {
- ev->loglevel = loglevel_python_str_to_value(opt_loglevel);
+ enum lttng_loglevel_python loglevel;
+
+ name_search_ret = loglevel_python_name_to_value(opt_loglevel, &loglevel);
+ ev->loglevel = (int) loglevel;
}
- if (ev->loglevel == -1) {
+
+ if (name_search_ret == -1) {
ERR("Unknown loglevel %s", opt_loglevel);
ret = -LTTNG_ERR_INVALID;
goto error;
ev->loglevel_type = opt_loglevel_type;
if (opt_loglevel) {
- ev->loglevel = loglevel_str_to_value(opt_loglevel);
- if (ev->loglevel == -1) {
+ enum lttng_loglevel loglevel;
+ const int name_search_ret = loglevel_name_to_value(opt_loglevel, &loglevel);
+
+ if (name_search_ret == -1) {
ERR("Unknown loglevel %s", opt_loglevel);
ret = -LTTNG_ERR_INVALID;
goto error;
}
+
+ ev->loglevel = (int) loglevel;
} else {
ev->loglevel = -1;
}
ev->loglevel_type = opt_loglevel_type;
if (opt_loglevel) {
+ int name_search_ret;
+
if (opt_jul) {
- ev->loglevel = loglevel_jul_str_to_value(opt_loglevel);
+ enum lttng_loglevel_jul loglevel;
+
+ name_search_ret = loglevel_jul_name_to_value(opt_loglevel, &loglevel);
+ ev->loglevel = (int) loglevel;
} else if (opt_log4j) {
- ev->loglevel = loglevel_log4j_str_to_value(opt_loglevel);
+ enum lttng_loglevel_log4j loglevel;
+
+ name_search_ret = loglevel_log4j_name_to_value(opt_loglevel, &loglevel);
+ ev->loglevel = (int) loglevel;
} else if (opt_python) {
- ev->loglevel = loglevel_python_str_to_value(opt_loglevel);
+ enum lttng_loglevel_python loglevel;
+
+ name_search_ret = loglevel_python_name_to_value(opt_loglevel, &loglevel);
+ ev->loglevel = (int) loglevel;
}
- if (ev->loglevel == -1) {
+
+ if (name_search_ret) {
ERR("Unknown loglevel %s", opt_loglevel);
ret = -LTTNG_ERR_INVALID;
goto error;
}
ret = print_missing_or_multiple_domains(
- opt_kernel + opt_userspace + opt_jul + opt_log4j + opt_python);
+ opt_kernel + opt_userspace + opt_jul + opt_log4j +
+ opt_python,
+ true);
if (ret) {
ret = CMD_ERROR;
goto end;