+++ /dev/null
-/*
- * Copyright (c) 2009-2010 Todd C. Miller <Todd.Miller@courtesan.com>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <config.h>
-
-#include <sys/types.h>
-#include <sys/param.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/wait.h>
-#include <sys/ioctl.h>
-#ifdef HAVE_SYS_SELECT_H
-#include <sys/select.h>
-#endif /* HAVE_SYS_SELECT_H */
-#include <stdio.h>
-#ifdef STDC_HEADERS
-# include <stdlib.h>
-# include <stddef.h>
-#else
-# ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-# endif
-#endif /* STDC_HEADERS */
-#ifdef HAVE_STRING_H
-# if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
-# include <memory.h>
-# endif
-# include <string.h>
-#endif /* HAVE_STRING_H */
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif /* HAVE_STRINGS_H */
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif /* HAVE_UNISTD_H */
-#if TIME_WITH_SYS_TIME
-# include <time.h>
-#endif
-#ifndef HAVE_TIMESPEC
-# include <emul/timespec.h>
-#endif
-#include <ctype.h>
-#include <errno.h>
-#include <limits.h>
-#include <fcntl.h>
-#ifdef HAVE_DIRENT_H
-# include <dirent.h>
-# define NAMLEN(dirent) strlen((dirent)->d_name)
-#else
-# define dirent direct
-# define NAMLEN(dirent) (dirent)->d_namlen
-# ifdef HAVE_SYS_NDIR_H
-# include <sys/ndir.h>
-# endif
-# ifdef HAVE_SYS_DIR_H
-# include <sys/dir.h>
-# endif
-# ifdef HAVE_NDIR_H
-# include <ndir.h>
-# endif
-#endif
-#ifdef HAVE_REGCOMP
-# include <regex.h>
-#endif
-#ifdef HAVE_ZLIB_H
-# include <zlib.h>
-#endif
-#ifdef HAVE_SETLOCALE
-# include <locale.h>
-#endif
-#include <signal.h>
-
-#include <pathnames.h>
-
-#include "compat.h"
-#include "alloc.h"
-#include "error.h"
-#include "missing.h"
-
-#ifndef LINE_MAX
-# define LINE_MAX 2048
-#endif
-
-/* Must match the defines in iolog.c */
-#define IOFD_STDIN 0
-#define IOFD_STDOUT 1
-#define IOFD_STDERR 2
-#define IOFD_TTYIN 3
-#define IOFD_TTYOUT 4
-#define IOFD_TIMING 5
-#define IOFD_MAX 6
-
-/* Bitmap of iofds to be replayed */
-unsigned int replay_filter = (1 << IOFD_STDOUT) | (1 << IOFD_STDERR) |
- (1 << IOFD_TTYOUT);
-
-/* For getopt(3) */
-extern char *optarg;
-extern int optind;
-
-int Argc;
-char **Argv;
-
-union io_fd {
- FILE *f;
-#ifdef HAVE_ZLIB_H
- gzFile g;
-#endif
- void *v;
-};
-
-/*
- * Info present in the I/O log file
- */
-struct log_info {
- char *cwd;
- char *user;
- char *runas_user;
- char *runas_group;
- char *tty;
- char *cmd;
- time_t tstamp;
-};
-
-/*
- * Handle expressions like:
- * ( user millert or user root ) and tty console and command /bin/sh
- */
-struct search_node {
- struct search_node *next;
-#define ST_EXPR 1
-#define ST_TTY 2
-#define ST_USER 3
-#define ST_PATTERN 4
-#define ST_RUNASUSER 5
-#define ST_RUNASGROUP 6
-#define ST_FROMDATE 7
-#define ST_TODATE 8
-#define ST_CWD 9
- char type;
- char negated;
- char or;
- char pad;
- union {
-#ifdef HAVE_REGCOMP
- regex_t cmdre;
-#endif
- time_t tstamp;
- char *cwd;
- char *tty;
- char *user;
- char *pattern;
- char *runas_group;
- char *runas_user;
- struct search_node *expr;
- void *ptr;
- } u;
-} *search_expr;
-
-#define STACK_NODE_SIZE 32
-static struct search_node *node_stack[32];
-static int stack_top;
-
-static const char *session_dir = _PATH_SUDO_IO_LOGDIR;
-
-static union io_fd io_fds[IOFD_MAX];
-static const char *io_fnames[IOFD_MAX] = {
- "/stdin",
- "/stdout",
- "/stderr",
- "/ttyin",
- "/ttyout",
- "/timing"
-};
-
-extern time_t get_date __P((char *));
-extern char *get_timestr __P((time_t, int));
-extern int term_raw __P((int, int));
-extern int term_restore __P((int, int));
-extern void zero_bytes __P((volatile void *, size_t));
-void cleanup __P((int));
-
-static int list_sessions __P((int, char **, const char *, const char *, const char *));
-static int parse_expr __P((struct search_node **, char **));
-static void check_input __P((int, double *));
-static void delay __P((double));
-static void usage __P((void));
-static void *open_io_fd __P((char *pathbuf, int len, const char *suffix));
-static int parse_timing __P((const char *buf, const char *decimal, int *idx, double *seconds, size_t *nbytes));
-
-#ifdef HAVE_REGCOMP
-# define REGEX_T regex_t
-#else
-# define REGEX_T char
-#endif
-
-#define VALID_ID(s) (isalnum((unsigned char)(s)[0]) && \
- isalnum((unsigned char)(s)[1]) && isalnum((unsigned char)(s)[2]) && \
- isalnum((unsigned char)(s)[3]) && isalnum((unsigned char)(s)[4]) && \
- isalnum((unsigned char)(s)[5]) && (s)[6] == '\0')
-
-int
-main(argc, argv)
- int argc;
- char *argv[];
-{
- int ch, idx, plen, nready, interactive = 0, listonly = 0;
- const char *id, *user = NULL, *pattern = NULL, *tty = NULL, *decimal = ".";
- char path[PATH_MAX], buf[LINE_MAX], *cp, *ep;
- double seconds, to_wait, speed = 1.0, max_wait = 0;
- FILE *lfile;
- fd_set *fdsw;
- sigaction_t sa;
- size_t len, nbytes, nread, off;
- ssize_t nwritten;
-
- Argc = argc;
- Argv = argv;
-
-#ifdef HAVE_SETLOCALE
- setlocale(LC_ALL, "");
- decimal = localeconv()->decimal_point;
-#endif
-
- while ((ch = getopt(argc, argv, "d:f:lm:s:V")) != -1) {
- switch(ch) {
- case 'd':
- session_dir = optarg;
- break;
- case 'f':
- /* Set the replay filter. */
- replay_filter = 0;
- for (cp = strtok(optarg, ","); cp; cp = strtok(NULL, ",")) {
- if (strcmp(cp, "stdout") == 0)
- SET(replay_filter, 1 << IOFD_STDOUT);
- else if (strcmp(cp, "stderr") == 0)
- SET(replay_filter, 1 << IOFD_STDERR);
- else if (strcmp(cp, "ttyout") == 0)
- SET(replay_filter, 1 << IOFD_TTYOUT);
- else
- errorx(1, "invalid filter option: %s", optarg);
- }
- break;
- case 'l':
- listonly = 1;
- break;
- case 'm':
- errno = 0;
- max_wait = strtod(optarg, &ep);
- if (*ep != '\0' || errno != 0)
- errorx(1, "invalid max wait: %s", optarg);
- break;
- case 's':
- errno = 0;
- speed = strtod(optarg, &ep);
- if (*ep != '\0' || errno != 0)
- errorx(1, "invalid speed factor: %s", optarg);
- break;
- case 'V':
- (void) printf("%s version %s\n", getprogname(), PACKAGE_VERSION);
- exit(0);
- default:
- usage();
- /* NOTREACHED */
- }
-
- }
- argc -= optind;
- argv += optind;
-
- if (listonly)
- exit(list_sessions(argc, argv, pattern, user, tty));
-
- if (argc != 1)
- usage();
-
- /* 6 digit ID in base 36, e.g. 01G712AB */
- id = argv[0];
- if (!VALID_ID(id))
- errorx(1, "invalid ID %s", id);
-
- plen = snprintf(path, sizeof(path), "%s/%.2s/%.2s/%.2s/timing",
- session_dir, id, &id[2], &id[4]);
- if (plen <= 0 || plen >= sizeof(path))
- errorx(1, "%s/%.2s/%.2s/%.2s/%.2s/timing: %s", session_dir,
- id, &id[2], &id[4], strerror(ENAMETOOLONG));
- plen -= 7;
-
- /* Open files for replay, applying replay filter for the -f flag. */
- for (idx = 0; idx < IOFD_MAX; idx++) {
- if (ISSET(replay_filter, 1 << idx) || idx == IOFD_TIMING) {
- io_fds[idx].v = open_io_fd(path, plen, io_fnames[idx]);
- if (io_fds[idx].v == NULL)
- error(1, "unable to open %s", path);
- }
- }
-
- /* Read log file. */
- path[plen] = '\0';
- strlcat(path, "/log", sizeof(path));
- lfile = fopen(path, "r");
- if (lfile == NULL)
- error(1, "unable to open %s", path);
- cp = NULL;
- len = 0;
- getline(&cp, &len, lfile); /* log */
- getline(&cp, &len, lfile); /* cwd */
- getline(&cp, &len, lfile); /* command */
- printf("Replaying sudo session: %s", cp);
- free(cp);
- fclose(lfile);
-
- fflush(stdout);
- zero_bytes(&sa, sizeof(sa));
- sigemptyset(&sa.sa_mask);
- sa.sa_flags = SA_RESETHAND;
- sa.sa_handler = cleanup;
- (void) sigaction(SIGINT, &sa, NULL);
- (void) sigaction(SIGKILL, &sa, NULL);
- (void) sigaction(SIGTERM, &sa, NULL);
- (void) sigaction(SIGHUP, &sa, NULL);
- sa.sa_flags = SA_RESTART;
- sa.sa_handler = SIG_IGN;
- (void) sigaction(SIGTSTP, &sa, NULL);
- (void) sigaction(SIGQUIT, &sa, NULL);
-
- /* XXX - read user input from /dev/tty and set STDOUT to raw if not a pipe */
- /* Set stdin to raw mode if it is a tty */
- interactive = isatty(STDIN_FILENO);
- if (interactive) {
- ch = fcntl(STDIN_FILENO, F_GETFL, 0);
- if (ch != -1)
- (void) fcntl(STDIN_FILENO, F_SETFL, ch | O_NONBLOCK);
- if (!term_raw(STDIN_FILENO, 1))
- error(1, "cannot set tty to raw mode");
- }
- fdsw = (fd_set *)emalloc2(howmany(STDOUT_FILENO + 1, NFDBITS),
- sizeof(fd_mask));
-
- /*
- * Timing file consists of line of the format: "%f %d\n"
- */
-#ifdef HAVE_ZLIB_H
- while (gzgets(io_fds[IOFD_TIMING].g, buf, sizeof(buf)) != NULL) {
-#else
- while (fgets(buf, sizeof(buf), io_fds[IOFD_TIMING].f) != NULL) {
-#endif
- if (!parse_timing(buf, decimal, &idx, &seconds, &nbytes))
- errorx(1, "invalid timing file line: %s", buf);
-
- if (interactive)
- check_input(STDIN_FILENO, &speed);
-
- /* Adjust delay using speed factor and clamp to max_wait */
- to_wait = seconds / speed;
- if (max_wait && to_wait > max_wait)
- to_wait = max_wait;
- delay(to_wait);
-
- /* Even if we are not relaying, we still have to delay. */
- if (io_fds[idx].v == NULL)
- continue;
-
- /* All output is sent to stdout. */
- while (nbytes != 0) {
- if (nbytes > sizeof(buf))
- len = sizeof(buf);
- else
- len = nbytes;
-#ifdef HAVE_ZLIB_H
- nread = gzread(io_fds[idx].g, buf, len);
-#else
- nread = fread(buf, 1, len, io_fds[idx].f);
-#endif
- nbytes -= nread;
- off = 0;
- do {
- /* no stdio, must be unbuffered */
- nwritten = write(STDOUT_FILENO, buf + off, nread - off);
- if (nwritten == -1) {
- if (errno == EINTR)
- continue;
- if (errno == EAGAIN) {
- FD_SET(STDOUT_FILENO, fdsw);
- do {
- nready = select(STDOUT_FILENO + 1, NULL, fdsw, NULL, NULL);
- } while (nready == -1 && errno == EINTR);
- if (nready == 1)
- continue;
- }
- error(1, "writing to standard output");
- }
- off += nwritten;
- } while (nread > off);
- }
- }
- term_restore(STDIN_FILENO, 1);
- exit(0);
-}
-
-static void
-delay(secs)
- double secs;
-{
- struct timespec ts, rts;
- int rval;
-
- /*
- * Typical max resolution is 1/HZ but we can't portably check that.
- * If the interval is small enough, just ignore it.
- */
- if (secs < 0.0001)
- return;
-
- rts.tv_sec = secs;
- rts.tv_nsec = (secs - (double) rts.tv_sec) * 1000000000.0;
- do {
- memcpy(&ts, &rts, sizeof(ts));
- rval = nanosleep(&ts, &rts);
- } while (rval == -1 && errno == EINTR);
- if (rval == -1)
- error(1, "nanosleep: tv_sec %ld, tv_nsec %ld", ts.tv_sec, ts.tv_nsec);
-}
-
-static void *
-open_io_fd(path, len, suffix)
- char *path;
- int len;
- const char *suffix;
-{
- path[len] = '\0';
- strlcat(path, suffix, PATH_MAX);
-
-#ifdef HAVE_ZLIB_H
- return gzopen(path, "r");
-#else
- return fopen(path, "r");
-#endif
-}
-
-/*
- * Build expression list from search args
- */
-static int
-parse_expr(headp, argv)
- struct search_node **headp;
- char *argv[];
-{
- struct search_node *sn, *newsn;
- char or = 0, not = 0, type, **av;
-
- sn = *headp;
- for (av = argv; *av; av++) {
- switch (av[0][0]) {
- case 'a': /* and (ignore) */
- if (strncmp(*av, "and", strlen(*av)) != 0)
- goto bad;
- continue;
- case 'o': /* or */
- if (strncmp(*av, "or", strlen(*av)) != 0)
- goto bad;
- or = 1;
- continue;
- case '!': /* negate */
- if (av[0][1] != '\0')
- goto bad;
- not = 1;
- continue;
- case 'c': /* command */
- if (av[0][1] == '\0')
- errorx(1, "ambiguous expression \"%s\"", *av);
- if (strncmp(*av, "cwd", strlen(*av)) == 0)
- type = ST_CWD;
- else if (strncmp(*av, "command", strlen(*av)) == 0)
- type = ST_PATTERN;
- else
- goto bad;
- break;
- case 'f': /* from date */
- if (strncmp(*av, "fromdate", strlen(*av)) != 0)
- goto bad;
- type = ST_FROMDATE;
- break;
- case 'g': /* runas group */
- if (strncmp(*av, "group", strlen(*av)) != 0)
- goto bad;
- type = ST_RUNASGROUP;
- break;
- case 'r': /* runas user */
- if (strncmp(*av, "runas", strlen(*av)) != 0)
- goto bad;
- type = ST_RUNASUSER;
- break;
- case 't': /* tty or to date */
- if (av[0][1] == '\0')
- errorx(1, "ambiguous expression \"%s\"", *av);
- if (strncmp(*av, "todate", strlen(*av)) == 0)
- type = ST_TODATE;
- else if (strncmp(*av, "tty", strlen(*av)) == 0)
- type = ST_TTY;
- else
- goto bad;
- break;
- case 'u': /* user */
- if (strncmp(*av, "user", strlen(*av)) != 0)
- goto bad;
- type = ST_USER;
- break;
- case '(': /* start sub-expression */
- if (av[0][1] != '\0')
- goto bad;
- if (stack_top + 1 == STACK_NODE_SIZE) {
- errorx(1, "too many parenthesized expressions, max %d",
- STACK_NODE_SIZE);
- }
- node_stack[stack_top++] = sn;
- type = ST_EXPR;
- break;
- case ')': /* end sub-expression */
- if (av[0][1] != '\0')
- goto bad;
- /* pop */
- if (--stack_top < 0)
- errorx(1, "unmatched ')' in expression");
- if (node_stack[stack_top])
- sn->next = node_stack[stack_top]->next;
- return(av - argv + 1);
- bad:
- default:
- errorx(1, "unknown search term \"%s\"", *av);
- /* NOTREACHED */
- }
-
- /* Allocate new search node */
- newsn = emalloc(sizeof(*newsn));
- newsn->next = NULL;
- newsn->type = type;
- newsn->or = or;
- newsn->negated = not;
- if (type == ST_EXPR) {
- av += parse_expr(&newsn->u.expr, av + 1);
- } else {
- if (*(++av) == NULL)
- errorx(1, "%s requires an argument", av[-1]);
-#ifdef HAVE_REGCOMP
- if (type == ST_PATTERN) {
- if (regcomp(&newsn->u.cmdre, *av, REG_EXTENDED|REG_NOSUB) != 0)
- errorx(1, "invalid regex: %s", *av);
- } else
-#endif
- if (type == ST_TODATE || type == ST_FROMDATE) {
- newsn->u.tstamp = get_date(*av);
- if (newsn->u.tstamp == -1)
- errorx(1, "could not parse date \"%s\"", *av);
- } else {
- newsn->u.ptr = *av;
- }
- }
- not = or = 0; /* reset state */
- if (sn)
- sn->next = newsn;
- else
- *headp = newsn;
- sn = newsn;
- }
- if (stack_top)
- errorx(1, "unmatched '(' in expression");
- if (or)
- errorx(1, "illegal trailing \"or\"");
- if (not)
- errorx(1, "illegal trailing \"!\"");
-
- return(av - argv);
-}
-
-static int
-match_expr(head, log)
- struct search_node *head;
- struct log_info *log;
-{
- struct search_node *sn;
- int matched = 1, rc;
-
- for (sn = head; sn; sn = sn->next) {
- /* If we have no match, skip ahead to the next OR entry. */
- if (!matched && !sn->or)
- continue;
-
- switch (sn->type) {
- case ST_EXPR:
- matched = match_expr(sn->u.expr, log);
- break;
- case ST_CWD:
- matched = strcmp(sn->u.cwd, log->cwd) == 0;
- break;
- case ST_TTY:
- matched = strcmp(sn->u.tty, log->tty) == 0;
- break;
- case ST_RUNASGROUP:
- matched = strcmp(sn->u.runas_group, log->runas_group) == 0;
- break;
- case ST_RUNASUSER:
- matched = strcmp(sn->u.runas_user, log->runas_user) == 0;
- break;
- case ST_USER:
- matched = strcmp(sn->u.user, log->user) == 0;
- break;
- case ST_PATTERN:
-#ifdef HAVE_REGCOMP
- rc = regexec(&sn->u.cmdre, log->cmd, 0, NULL, 0);
- if (rc && rc != REG_NOMATCH) {
- char buf[BUFSIZ];
- regerror(rc, &sn->u.cmdre, buf, sizeof(buf));
- errorx(1, "%s", buf);
- }
- matched = rc == REG_NOMATCH ? 0 : 1;
-#else
- matched = strstr(log.cmd, sn->u.pattern) != NULL;
-#endif
- break;
- case ST_FROMDATE:
- matched = log->tstamp >= sn->u.tstamp;
- break;
- case ST_TODATE:
- matched = log->tstamp <= sn->u.tstamp;
- break;
- }
- if (sn->negated)
- matched = !matched;
- }
- return(matched);
-}
-
-static int
-list_session_dir(pathbuf, re, user, tty)
- char *pathbuf;
- REGEX_T *re;
- const char *user;
- const char *tty;
-{
- FILE *fp;
- DIR *d;
- struct dirent *dp;
- char *buf = NULL, *cmd = NULL, *cwd = NULL, idstr[7], *cp;
- struct log_info li;
- size_t bufsize = 0, cwdsize = 0, cmdsize = 0, plen;
-
- plen = strlen(pathbuf);
- d = opendir(pathbuf);
- if (d == NULL && errno != ENOTDIR) {
- warning("cannot opendir %s", pathbuf);
- return(-1);
- }
- while ((dp = readdir(d)) != NULL) {
- if (NAMLEN(dp) != 2 || !isalnum((unsigned char)dp->d_name[0]) ||
- !isalnum((unsigned char)dp->d_name[1]))
- continue;
-
- /* open log file, print id and command */
- pathbuf[plen + 0] = '/';
- pathbuf[plen + 1] = dp->d_name[0];
- pathbuf[plen + 2] = dp->d_name[1];
- pathbuf[plen + 3] = '/';
- pathbuf[plen + 4] = 'l';
- pathbuf[plen + 5] = 'o';
- pathbuf[plen + 6] = 'g';
- pathbuf[plen + 7] = '\0';
- fp = fopen(pathbuf, "r");
- if (fp == NULL) {
- warning("unable to open %s", pathbuf);
- continue;
- }
-
- /*
- * ID file has three lines:
- * 1) a log info line
- * 2) cwd
- * 3) command with args
- */
- if (getline(&buf, &bufsize, fp) == -1 ||
- getline(&cwd, &cwdsize, fp) == -1 ||
- getline(&cmd, &cmdsize, fp) == -1) {
- fclose(fp);
- continue;
- }
- fclose(fp);
-
- /* crack the log line: timestamp:user:runas_user:runas_group:tty */
- buf[strcspn(buf, "\n")] = '\0';
- if ((li.tstamp = atoi(buf)) == 0)
- continue;
-
- if ((cp = strchr(buf, ':')) == NULL)
- continue;
- *cp++ = '\0';
- li.user = cp;
-
- if ((cp = strchr(cp, ':')) == NULL)
- continue;
- *cp++ = '\0';
- li.runas_user = cp;
-
- if ((cp = strchr(cp, ':')) == NULL)
- continue;
- *cp++ = '\0';
- li.runas_group = cp;
-
- if ((cp = strchr(cp, ':')) == NULL)
- continue;
- *cp++ = '\0';
- li.tty = cp;
-
- cwd[strcspn(cwd, "\n")] = '\0';
- li.cwd = cwd;
-
- cmd[strcspn(cmd, "\n")] = '\0';
- li.cmd = cmd;
-
- /* Match on search expression if there is one. */
- if (search_expr && !match_expr(search_expr, &li))
- continue;
-
- /* Convert from /var/log/sudo-sessions/00/00/01 to 000001 */
- idstr[0] = pathbuf[plen - 5];
- idstr[1] = pathbuf[plen - 4];
- idstr[2] = pathbuf[plen - 2];
- idstr[3] = pathbuf[plen - 1];
- idstr[4] = pathbuf[plen + 1];
- idstr[5] = pathbuf[plen + 2];
- idstr[6] = '\0';
- printf("%s : %s : TTY=%s ; CWD=%s ; USER=%s ; ",
- get_timestr(li.tstamp, 1), li.user, li.tty, li.cwd, li.runas_user);
- if (*li.runas_group)
- printf("GROUP=%s ; ", li.runas_group);
- printf("TSID=%s ; COMMAND=%s\n", idstr, li.cmd);
- }
- return(0);
-}
-
-static int
-list_sessions(argc, argv, pattern, user, tty)
- int argc;
- char **argv;
- const char *pattern;
- const char *user;
- const char *tty;
-{
- DIR *d1, *d2;
- struct dirent *dp1, *dp2;
- REGEX_T rebuf, *re = NULL;
- size_t sdlen;
- char pathbuf[PATH_MAX];
-
- /* Parse search expression if present */
- parse_expr(&search_expr, argv);
-
- d1 = opendir(session_dir);
- if (d1 == NULL)
- error(1, "unable to open %s", session_dir);
-
-#ifdef HAVE_REGCOMP
- /* optional regex */
- if (pattern) {
- re = &rebuf;
- if (regcomp(re, pattern, REG_EXTENDED|REG_NOSUB) != 0)
- errorx(1, "invalid regex: %s", pattern);
- }
-#else
- re = (char *) pattern;
-#endif /* HAVE_REGCOMP */
-
- sdlen = strlcpy(pathbuf, session_dir, sizeof(pathbuf));
- if (sdlen + sizeof("/00/00/00/log") >= sizeof(pathbuf)) {
- errno = ENAMETOOLONG;
- error(1, "%s/00/00/00/log", session_dir);
- }
-
- /*
- * Three levels of directory, e.g. 00/00/00 .. ZZ/ZZ/ZZ
- * We do a depth-first traversal.
- */
- while ((dp1 = readdir(d1)) != NULL) {
- if (NAMLEN(dp1) != 2 || !isalnum((unsigned char)dp1->d_name[0]) ||
- !isalnum((unsigned char)dp1->d_name[1]))
- continue;
-
- pathbuf[sdlen + 0] = '/';
- pathbuf[sdlen + 1] = dp1->d_name[0];
- pathbuf[sdlen + 2] = dp1->d_name[1];
- pathbuf[sdlen + 3] = '\0';
- d2 = opendir(pathbuf);
- if (d2 == NULL)
- continue;
-
- while ((dp2 = readdir(d2)) != NULL) {
- if (NAMLEN(dp2) != 2 || !isalnum((unsigned char)dp2->d_name[0]) ||
- !isalnum((unsigned char)dp2->d_name[1]))
- continue;
-
- pathbuf[sdlen + 3] = '/';
- pathbuf[sdlen + 4] = dp2->d_name[0];
- pathbuf[sdlen + 5] = dp2->d_name[1];
- pathbuf[sdlen + 6] = '\0';
- list_session_dir(pathbuf, re, user, tty);
- }
- closedir(d2);
- }
- closedir(d1);
- return(0);
-}
-
-/*
- * Check input for ' ', '<', '>'
- * pause, slow, fast
- */
-static void
-check_input(ttyfd, speed)
- int ttyfd;
- double *speed;
-{
- fd_set *fdsr;
- int nready, paused = 0;
- struct timeval tv;
- char ch;
- ssize_t n;
-
- fdsr = (fd_set *)emalloc2(howmany(ttyfd + 1, NFDBITS), sizeof(fd_mask));
-
- for (;;) {
- FD_SET(ttyfd, fdsr);
- tv.tv_sec = 0;
- tv.tv_usec = 0;
-
- nready = select(ttyfd + 1, fdsr, NULL, NULL, paused ? NULL : &tv);
- if (nready != 1)
- break;
- n = read(ttyfd, &ch, 1);
- if (n == 1) {
- if (paused) {
- paused = 0;
- continue;
- }
- switch (ch) {
- case ' ':
- paused = 1;
- break;
- case '<':
- *speed /= 2;
- break;
- case '>':
- *speed *= 2;
- break;
- }
- }
- }
- free(fdsr);
-}
-
-/*
- * Parse a timing line, which is formatted as:
- * index sleep_time num_bytes
- * Where index is IOFD_*, sleep_time is the number of seconds to sleep
- * before writing the data and num_bytes is the number of bytes to output.
- * Returns 1 on success and 0 on failure.
- */
-static int
-parse_timing(buf, decimal, idx, seconds, nbytes)
- const char *buf;
- const char *decimal;
- int *idx;
- double *seconds;
- size_t *nbytes;
-{
- unsigned long ul;
- long l;
- double d, fract = 0;
- char *cp, *ep;
-
- /* Parse index */
- ul = strtoul(buf, &ep, 10);
- if (ul > IOFD_MAX)
- goto bad;
- *idx = (int)ul;
- for (cp = ep + 1; isspace((unsigned char) *cp); cp++)
- continue;
-
- /*
- * Parse number of seconds. Sudo logs timing data in the C locale
- * but this may not match the current locale so we cannot use strtod().
- * Furthermore, sudo < 1.7.4 logged with the user's locale so we need
- * to be able to parse those logs too.
- */
- errno = 0;
- l = strtol(cp, &ep, 10);
- if ((errno == ERANGE && (l == LONG_MAX || l == LONG_MIN)) ||
- l < 0 || l > INT_MAX ||
- (*ep != '.' && strncmp(ep, decimal, strlen(decimal)) != 0)) {
- goto bad;
- }
- *seconds = (double)l;
- cp = ep + (*ep == '.' ? 1 : strlen(decimal));
- d = 10.0;
- while (isdigit((unsigned char) *cp)) {
- fract += (*cp - '0') / d;
- d *= 10;
- cp++;
- }
- *seconds += fract;
- while (isspace((unsigned char) *cp))
- cp++;
-
- errno = 0;
- ul = strtoul(cp, &ep, 10);
- if (errno == ERANGE && ul == ULONG_MAX)
- goto bad;
- *nbytes = (size_t)ul;
-
- return 1;
-bad:
- return 0;
-}
-
-static void
-usage()
-{
- fprintf(stderr,
- "usage: %s [-d directory] [-m max_wait] [-s speed_factor] ID\n",
- getprogname());
- fprintf(stderr,
- "usage: %s [-d directory] -l [search expression]\n",
- getprogname());
- exit(1);
-}
-
-/*
- * Cleanup hook for error()/errorx()
- */
-void
-cleanup(signo)
- int signo;
-{
- term_restore(STDIN_FILENO, 0);
- if (signo)
- kill(getpid(), signo);
-}
projects / debian / sudo / blobdiff