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-rw-r--r--src/printf.c259
1 files changed, 0 insertions, 259 deletions
diff --git a/src/printf.c b/src/printf.c
deleted file mode 100644
index 6feb72a..0000000
--- a/src/printf.c
+++ /dev/null
@@ -1,259 +0,0 @@
-/*
- Copyright (c) 2012-2013, Matthias Schiffer <mschiffer@universe-factory.net>
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
-
- 1. Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-
-#include "fastd.h"
-#include "peer.h"
-
-#include <syslog.h>
-#include <arpa/inet.h>
-#include <net/if.h>
-
-
-static inline size_t snprintf_safe(char *buffer, size_t size, const char *format, ...) {
- va_list ap;
- va_start(ap, format);
- int ret = vsnprintf(buffer, size, format, ap);
- va_end(ap);
-
- if (ret < 0)
- return 0;
-
- return min_size_t(ret, size);
-}
-
-static size_t snprint_peer_address(const fastd_context_t *ctx, char *buffer, size_t size, const fastd_peer_address_t *address, bool bind_address) {
- char addr_buf[INET6_ADDRSTRLEN] = "";
-
- switch (address->sa.sa_family) {
- case AF_UNSPEC:
- if (bind_address)
- return snprintf_safe(buffer, size, "any:%u", ntohs(address->in.sin_port));
- else
- return snprintf(buffer, size, "any");
-
- case AF_INET:
- if (!bind_address && ctx->conf->hide_ip_addresses)
- return snprintf_safe(buffer, size, "[hidden]:%u", ntohs(address->in.sin_port));
- else if (inet_ntop(AF_INET, &address->in.sin_addr, addr_buf, sizeof(addr_buf)))
- return snprintf_safe(buffer, size, "%s:%u", addr_buf, ntohs(address->in.sin_port));
- else
- return 0;
-
- case AF_INET6:
- if (!bind_address && ctx->conf->hide_ip_addresses)
- return snprintf_safe(buffer, size, "[hidden]:%u", ntohs(address->in.sin_port));
- if (inet_ntop(AF_INET6, &address->in6.sin6_addr, addr_buf, sizeof(addr_buf))) {
- if (IN6_IS_ADDR_LINKLOCAL(&address->in6.sin6_addr)) {
- char ifname_buf[IF_NAMESIZE];
- return snprintf_safe(buffer, size, "[%s%%%s]:%u", addr_buf, if_indextoname(address->in6.sin6_scope_id, ifname_buf), ntohs(address->in6.sin6_port));
- }
- else {
- return snprintf_safe(buffer, size, "[%s]:%u", addr_buf, ntohs(address->in6.sin6_port));
- }
- }
- else
- return 0;
-
- default:
- exit_bug(ctx, "unsupported address family");
- }
-}
-
-static size_t snprint_peer_str(const fastd_context_t *ctx, char *buffer, size_t size, const fastd_peer_t *peer) {
- if (peer->config && peer->config->name) {
- return snprintf_safe(buffer, size, "<%s>", peer->config->name);
- }
- else {
- char buf[65];
- if (ctx->conf->protocol->describe_peer(ctx, peer, buf, sizeof(buf)))
- return snprintf_safe(buffer, size, "{%s}", buf);
- else
- return snprintf_safe(buffer, size, "(null)");
- }
-}
-
-int fastd_vsnprintf(const fastd_context_t *ctx, char *buffer, size_t size, const char *format, va_list ap) {
- char *buffer_start = buffer;
- char *buffer_end = buffer+size;
-
- *buffer = 0;
-
- for (; *format; format++) {
- const void *p;
- const fastd_eth_addr_t *eth_addr;
-
- if (buffer >= buffer_end)
- break;
-
- if (*format != '%') {
- *buffer = *format;
- buffer++;
- continue;
- }
-
- format++;
-
- switch(*format) {
- case 'i':
- buffer += snprintf_safe(buffer, buffer_end-buffer, "%i", va_arg(ap, int));
- break;
-
- case 'u':
- buffer += snprintf_safe(buffer, buffer_end-buffer, "%u", va_arg(ap, unsigned int));
- break;
-
- case 'U':
- buffer += snprintf_safe(buffer, buffer_end-buffer, "%llu", (unsigned long long)va_arg(ap, uint64_t));
- break;
-
- case 's':
- buffer += snprintf_safe(buffer, buffer_end-buffer, "%s", va_arg(ap, char*));
- break;
-
- case 'p':
- buffer += snprintf_safe(buffer, buffer_end-buffer, "%p", va_arg(ap, void*));
- break;
-
- case 'E':
- eth_addr = va_arg(ap, const fastd_eth_addr_t*);
-
- if (eth_addr) {
- if (ctx->conf->hide_mac_addresses)
- buffer += snprintf_safe(buffer, buffer_end-buffer, "[hidden]");
- else
- buffer += snprintf_safe(buffer, buffer_end-buffer, "%02x:%02x:%02x:%02x:%02x:%02x",
- eth_addr->data[0], eth_addr->data[1], eth_addr->data[2],
- eth_addr->data[3], eth_addr->data[4], eth_addr->data[5]);
- }
- else {
- buffer += snprintf_safe(buffer, buffer_end-buffer, "(null)");
- }
- break;
-
- case 'P':
- p = va_arg(ap, const fastd_peer_t*);
-
- if (p)
- buffer += snprint_peer_str(ctx, buffer, buffer_end-buffer, (const fastd_peer_t*)p);
- else
- buffer += snprintf_safe(buffer, buffer_end-buffer, "(null)");
- break;
-
- case 'I':
- case 'B':
- p = va_arg(ap, const fastd_peer_address_t*);
-
- if (p)
- buffer += snprint_peer_address(ctx, buffer, buffer_end-buffer, (const fastd_peer_address_t*)p, *format == 'B');
- else
- buffer += snprintf_safe(buffer, buffer_end-buffer, "(null)");
- break;
-
- default:
- pr_warn(ctx, "fastd_vsnprintf: unknown format conversion specifier '%c'", *format);
- *buffer_start = 0;
- return -1;
- }
- }
-
- if (buffer < buffer_end)
- *buffer = 0;
-
- return buffer-buffer_start;
-}
-
-static inline const char* get_log_prefix(fastd_loglevel_t log_level) {
- switch(log_level) {
- case LL_FATAL:
- return "Fatal: ";
- case LL_ERROR:
- return "Error: ";
- case LL_WARN:
- return "Warning: ";
- case LL_INFO:
- return "Info: ";
- case LL_VERBOSE:
- return "Verbose: ";
- case LL_DEBUG:
- return "DEBUG: ";
- case LL_DEBUG2:
- return "DEBUG2: ";
- default:
- return "";
- }
-}
-
-static inline int get_syslog_level(fastd_loglevel_t log_level) {
- switch(log_level) {
- case LL_FATAL:
- return LOG_CRIT;
- case LL_ERROR:
- return LOG_ERR;
- case LL_WARN:
- return LOG_WARNING;
- case LL_INFO:
- return LOG_NOTICE;
- case LL_VERBOSE:
- return LOG_INFO;
- default:
- return LOG_DEBUG;
- }
-}
-
-void fastd_logf(const fastd_context_t *ctx, fastd_loglevel_t level, const char *format, ...) {
- char buffer[1024];
- char timestr[100] = "";
- va_list ap;
-
- va_start(ap, format);
- fastd_vsnprintf(ctx, buffer, sizeof(buffer), format, ap);
- va_end(ap);
-
- buffer[sizeof(buffer)-1] = 0;
-
- if (ctx->conf == NULL || level <= ctx->conf->log_stderr_level || ctx->conf->log_files) {
- time_t t;
- struct tm tm;
-
- t = time(NULL);
- if (localtime_r(&t, &tm) != NULL) {
- if (strftime(timestr, sizeof(timestr), "%F %T %z --- ", &tm) <= 0)
- *timestr = 0;
- }
- }
-
- if (ctx->conf == NULL || level <= ctx->conf->log_stderr_level)
- fprintf(stderr, "%s%s%s\n", timestr, get_log_prefix(level), buffer);
-
- if (ctx->conf != NULL && level <= ctx->conf->log_syslog_level)
- syslog(get_syslog_level(level), "%s", buffer);
-
- fastd_log_fd_t *file;
- for (file = ctx->log_files; file; file = file->next) {
- if (level <= file->config->level)
- dprintf(file->fd, "%s%s%s\n", timestr, get_log_prefix(level), buffer);
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 09:51:13 +0100