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Formatting changes

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pull/13/head
Daniel Roethlisberger 10 years ago
parent 81241139c7
commit 38314ea16d
2 changed files with 97 additions and 94 deletions
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39
log.c
Unescape Escape View File

@ -262,12 +262,13 @@ log_content_close_singlefile(void)
* Generate a log path based on the given log spec.
* Returns an allocated buffer which must be freed by caller, or NULL on error.
*/
static char *
#define PATH_BUF_INC 1024
static char * WUNRES NONNULL(1,2,3)
log_content_format_pathspec(const char *logspec, char *srcaddr, char *dstaddr,
char *exec_path, char *user, char *group)
{
/* set up buffer to hold our generated file path */
size_t path_buflen = 1024;
size_t path_buflen = PATH_BUF_INC;
char *path_buf = malloc(path_buflen);
if (path_buf == NULL) {
log_err_printf("failed to allocate path buffer\n");
@ -284,7 +285,7 @@ log_content_format_pathspec(const char *logspec, char *srcaddr, char *dstaddr,
size_t elem_len = 0;
const char iso8601[] = "%Y%m%dT%H%M%SZ";
char timebuf[24]; // sized for ISO 8601 format
char timebuf[24]; /* sized for ISO 8601 format */
/* parse the format string and generate the next path element */
switch (*p) {
@ -293,7 +294,8 @@ log_content_format_pathspec(const char *logspec, char *srcaddr, char *dstaddr,
/* handle format specifiers. */
switch (*p) {
case '\0':
/* unexpected eof; backtrack and discard invalid format spec */
/* unexpected eof; backtrack and discard
* invalid format spec */
p--;
elem_len = 0;
break;
@ -344,8 +346,7 @@ log_content_format_pathspec(const char *logspec, char *srcaddr, char *dstaddr,
elem = timebuf;
elem_len = sizeof(timebuf);
break;
}
}
}}
break;
default:
elem = p;
@ -355,8 +356,10 @@ log_content_format_pathspec(const char *logspec, char *srcaddr, char *dstaddr,
/* growing the buffer to fit elem_len + terminating \0 */
if (path_buflen - path_len < elem_len + 1) {
/* grow in 1024 chunks. note that the use of `1024' provides our gauranteed space for a trailing '\0' */
path_buflen += elem_len + 1024;
/* Grow in PATH_BUF_INC chunks.
* Note that the use of `PATH_BUF_INC' provides our
* gauranteed space for a trailing '\0' */
path_buflen += elem_len + PATH_BUF_INC;
char *newbuf = realloc(path_buf, path_buflen);
if (newbuf == NULL) {
log_err_printf("failed to reallocate path buffer");
@ -375,6 +378,7 @@ log_content_format_pathspec(const char *logspec, char *srcaddr, char *dstaddr,
path_buf[path_len] = '\0';
return path_buf;
}
#undef PATH_BUF_INC
void
log_content_open(log_content_ctx_t *ctx, char *srcaddr, char *dstaddr,
@ -384,16 +388,17 @@ log_content_open(log_content_ctx_t *ctx, char *srcaddr, char *dstaddr,
return;
if (content_fd != -1) {
/* single-file content log (-L) */
ctx->fd = content_fd;
asprintf(&ctx->header_in, "%s -> %s", srcaddr, dstaddr);
asprintf(&ctx->header_out, "%s -> %s", dstaddr, srcaddr);
} else if (content_logspec) {
/* per-connection-file content log with logspec (-F) */
char *filename;
filename = log_content_format_pathspec(content_logspec,
srcaddr, dstaddr,
exec_path, user,
group);
exec_path, user, group);
/* statefully create parent directories by iteratively rewriting
* the path at each directory seperator */
@ -407,19 +412,22 @@ log_content_open(log_content_ctx_t *ctx, char *srcaddr, char *dstaddr,
while (*p == '/') p++;
while ((p = strchr(p, '/')) != NULL) {
/* overwrite '/' to terminate the string at the next parent directory */
/* overwrite '/' to terminate the string at the next
* parent directory */
*p = '\0';
struct stat sbuf;
if (stat(parent, &sbuf) != 0) {
if (mkdir(parent, 0755) != 0) {
log_err_printf("Could not create directory '%s': %s\n",
log_err_printf("Could not create "
"directory '%s': %s\n",
parent, strerror(errno));
ctx->fd = -1;
return;
}
} else if (!S_ISDIR(sbuf.st_mode)) {
log_err_printf("Failed to open '%s': %s is not a directory\n",
log_err_printf("Failed to open '%s': "
"%s is not a directory\n",
filename, parent);
ctx->fd = -1;
return;
@ -438,8 +446,8 @@ log_content_open(log_content_ctx_t *ctx, char *srcaddr, char *dstaddr,
log_err_printf("Failed to open '%s': %s\n",
filename, strerror(errno));
}
} else {
/* per-connection-file content log (-S) */
char filename[1024];
char timebuf[24];
time_t epoch;
@ -571,8 +579,7 @@ log_preinit(opts_t *opts)
if (log_content_open_logspec(opts->contentlog) == -1)
goto out;
} else {
if (log_content_open_singlefile(opts->contentlog)
== -1)
if (log_content_open_singlefile(opts->contentlog) == -1)
goto out;
}
if (!(content_log = logger_new(log_content_writecb))) {

22
main.c
Unescape Escape View File

@ -138,22 +138,18 @@ main_usage(void)
" -j jaildir chroot() to jaildir (impacts -S and sni, see manual page)\n"
" -p pidfile write pid to pidfile (default: no pid file)\n"
" -l logfile connect log: log one line summary per connection to logfile\n"
" -L logfile content log: full data to file or named pipe (excludes -S)\n"
" -L logfile content log: full data to file or named pipe (excludes -S/-F)\n"
" -S logdir content log: full data to separate files in dir (excludes -L/-F)\n"
" -F pathspec content log: full data to separate files with the given path spec (excludes -L/-S):\n"
" pathspec = <paths and format directives>\n"
" The following directives are supported.\n"
" -F pathspec content log: full data to sep files with %% subst (excl. -L/-S):\n"
" %%T - initial connection time as an ISO 8601 UTC timestamp\n"
" %%d - dest address:port\n"
" %%s - source address:port\n"
" %%x - base name of local process. if unavailable, will be skipped.\n"
" %%X - full path to local process; . if unavailable, will be skipped.\n"
" %%u - username or uid of local process. if unavailable, will be skipped\n"
" %%g - group or gid of local process. if unavailable, will be skipped\n"
" %%T - initial connection time as an ISO 8601 UTC timestamp\n"
" %%x - base name of local process (skipped if unavailable)\n"
" %%X - full path to local process (skipped if unavailable)\n"
" %%u - user name or id of local process (skipped if unavailable)\n"
" %%g - group name or id of local process (skipped if unavailable)\n"
" %%%% - literal '%%'\n"
" e.g.\n"
" \"/var/log/sslsplit/%%X/%%u-%%s-%%d-%%T\"\n"
" Unknown directives are ignored, and intermediate directories will be created automatically\n"
" e.g. \"/var/log/sslsplit/%%X/%%u-%%s-%%d-%%T\"\n"
" -d daemon mode: run in background, log error messages to syslog\n"
" -D debug mode: run in foreground, log debug messages on stderr\n"
" -V print version information and exit\n"
@ -504,8 +500,8 @@ main(int argc, char *argv[])
opts->contentlog = strdup(optarg);
if (!opts->contentlog)
oom_die(argv0);
opts->contentlogspec = 1;
opts->contentlogdir = 0;
opts->contentlogspec = 1;
break;
case 'd':
opts->detach = 1;

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