diff options
71 files changed, 173 insertions, 168 deletions
diff --git a/archival/cpio.c b/archival/cpio.c index ebe911a..37b6b5c 100644 --- a/archival/cpio.c +++ b/archival/cpio.c @@ -287,7 +287,7 @@ int cpio_main(int argc UNUSED_PARAM, char **argv) bb_show_usage(); if (opt & CPIO_OPT_FILE) { fclose(stdout); - stdout = fopen(cpio_filename, "w"); + stdout = fopen_for_write(cpio_filename); /* Paranoia: I don't trust libc that much */ xdup2(fileno(stdout), STDOUT_FILENO); } diff --git a/archival/dpkg.c b/archival/dpkg.c index 671aae7..9ea3087 100644 --- a/archival/dpkg.c +++ b/archival/dpkg.c @@ -748,7 +748,7 @@ static void index_status_file(const char *filename) status_node_t *status_node = NULL; unsigned status_num; - status_file = xfopen(filename, "r"); + status_file = xfopen_for_read(filename); while ((control_buffer = xmalloc_fgetline_str(status_file, "\n\n")) != NULL) { const unsigned package_num = fill_package_struct(control_buffer); if (package_num != -1) { @@ -790,8 +790,8 @@ static void write_buffer_no_status(FILE *new_status_file, const char *control_bu /* This could do with a cleanup */ static void write_status_file(deb_file_t **deb_file) { - FILE *old_status_file = xfopen("/var/lib/dpkg/status", "r"); - FILE *new_status_file = xfopen("/var/lib/dpkg/status.udeb", "w"); + FILE *old_status_file = xfopen_for_read("/var/lib/dpkg/status"); + FILE *new_status_file = xfopen_for_write("/var/lib/dpkg/status.udeb"); char *package_name; char *status_from_file; char *control_buffer = NULL; @@ -1161,7 +1161,7 @@ static char **create_list(const char *filename) int count; /* don't use [xw]fopen here, handle error ourself */ - list_stream = fopen(filename, "r"); + list_stream = fopen_for_read(filename); if (list_stream == NULL) { return NULL; } @@ -1548,7 +1548,7 @@ static void unpack_package(deb_file_t *deb_file) /* Create the list file */ list_filename = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, "list"); - out_stream = xfopen(list_filename, "w"); + out_stream = xfopen_for_write(list_filename); while (archive_handle->sub_archive->passed) { /* the leading . has been stripped by data_extract_all_prefix already */ fputs(archive_handle->sub_archive->passed->data, out_stream); diff --git a/archival/tar.c b/archival/tar.c index a46442f..b2481b8 100644 --- a/archival/tar.c +++ b/archival/tar.c @@ -663,7 +663,7 @@ static llist_t *append_file_list_to_list(llist_t *list) llist_t *newlist = NULL; while (list) { - src_stream = xfopen(llist_pop(&list), "r"); + src_stream = xfopen_for_read(llist_pop(&list)); while ((line = xmalloc_fgetline(src_stream)) != NULL) { /* kill trailing '/' unless the string is just "/" */ char *cp = last_char_is(line, '/'); diff --git a/coreutils/dos2unix.c b/coreutils/dos2unix.c index 311dc13..309cbc3 100644 --- a/coreutils/dos2unix.c +++ b/coreutils/dos2unix.c @@ -35,7 +35,7 @@ static void convert(char *fn, int conv_type) resolved_fn = xmalloc_follow_symlinks(fn); if (resolved_fn == NULL) bb_simple_perror_msg_and_die(fn); - in = xfopen(resolved_fn, "r"); + in = xfopen_for_read(resolved_fn); fstat(fileno(in), &st); temp_fn = xasprintf("%sXXXXXX", resolved_fn); diff --git a/coreutils/sort.c b/coreutils/sort.c index ac8fc9b..fad6d12 100644 --- a/coreutils/sort.c +++ b/coreutils/sort.c @@ -293,7 +293,7 @@ int sort_main(int argc UNUSED_PARAM, char **argv) "k::"; /* -k takes list */ getopt32(argv, OPT_STR, &str_ignored, &str_ignored, &str_o, &lst_k, &str_t); #if ENABLE_FEATURE_SORT_BIG - if (option_mask32 & FLAG_o) outfile = xfopen(str_o, "w"); + if (option_mask32 & FLAG_o) outfile = xfopen_for_write(str_o); if (option_mask32 & FLAG_t) { if (!str_t[0] || str_t[1]) bb_error_msg_and_die("bad -t parameter"); diff --git a/coreutils/uudecode.c b/coreutils/uudecode.c index 81a86cb..0298a4b 100644 --- a/coreutils/uudecode.c +++ b/coreutils/uudecode.c @@ -179,7 +179,7 @@ int uudecode_main(int argc UNUSED_PARAM, char **argv) } dst_stream = stdout; if (NOT_LONE_DASH(outname)) { - dst_stream = xfopen(outname, "w"); + dst_stream = xfopen_for_write(outname); fchmod(fileno(dst_stream), mode & (S_IRWXU | S_IRWXG | S_IRWXO)); } free(line); diff --git a/debianutils/start_stop_daemon.c b/debianutils/start_stop_daemon.c index 91f51a3..875eca5 100644 --- a/debianutils/start_stop_daemon.c +++ b/debianutils/start_stop_daemon.c @@ -204,7 +204,7 @@ static void do_pidfile(void) FILE *f; unsigned pid; - f = fopen(pidfile, "r"); + f = fopen_for_read(pidfile); if (f) { if (fscanf(f, "%u", &pid) == 1) check(pid); diff --git a/e2fsprogs/old_e2fsprogs/blkid/devname.c b/e2fsprogs/old_e2fsprogs/blkid/devname.c index 97d1c35..5b9e48f 100644 --- a/e2fsprogs/old_e2fsprogs/blkid/devname.c +++ b/e2fsprogs/old_e2fsprogs/blkid/devname.c @@ -152,7 +152,7 @@ static dev_t lvm_get_devno(const char *lvm_device) dev_t ret = 0; DBG(DEBUG_DEVNAME, printf("opening %s\n", lvm_device)); - if ((lvf = fopen(lvm_device, "r")) == NULL) { + if ((lvf = fopen_for_read(lvm_device)) == NULL) { DBG(DEBUG_DEVNAME, printf("%s: (%d) %s\n", lvm_device, errno, strerror(errno))); return 0; @@ -233,7 +233,7 @@ evms_probe_all(blkid_cache cache) FILE *procpt; char device[110]; - procpt = fopen(PROC_EVMS_VOLUMES, "r"); + procpt = fopen_for_read(PROC_EVMS_VOLUMES); if (!procpt) return 0; while (fgets(line, sizeof(line), procpt)) { @@ -282,7 +282,7 @@ int blkid_probe_all(blkid_cache cache) lvm_probe_all(cache); #endif - proc = fopen(PROC_PARTITIONS, "r"); + proc = fopen_for_read(PROC_PARTITIONS); if (!proc) return -BLKID_ERR_PROC; diff --git a/e2fsprogs/old_e2fsprogs/blkid/save.c b/e2fsprogs/old_e2fsprogs/blkid/save.c index cdbaabc..3600260 100644 --- a/e2fsprogs/old_e2fsprogs/blkid/save.c +++ b/e2fsprogs/old_e2fsprogs/blkid/save.c @@ -102,7 +102,7 @@ int blkid_flush_cache(blkid_cache cache) } if (!file) { - file = fopen(filename, "w"); + file = fopen_for_write(filename); opened = filename; } diff --git a/e2fsprogs/old_e2fsprogs/e2fsck.c b/e2fsprogs/old_e2fsprogs/e2fsck.c index 4887a57..7cb1227 100644 --- a/e2fsprogs/old_e2fsprogs/e2fsck.c +++ b/e2fsprogs/old_e2fsprogs/e2fsck.c @@ -12672,7 +12672,7 @@ static int is_on_batt(void) unsigned int acflag; struct dirent* de; - f = fopen("/proc/apm", "r"); + f = fopen_for_read("/proc/apm"); if (f) { if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4) acflag = 1; @@ -12686,7 +12686,7 @@ static int is_on_batt(void) continue; snprintf(fname, 80, "/proc/acpi/ac_adapter/%s/state", de->d_name); - f = fopen(fname, "r"); + f = fopen_for_read(fname); if (!f) continue; if (fscanf(f, "%s %s", tmp2, tmp) != 2) diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/ismounted.c b/e2fsprogs/old_e2fsprogs/ext2fs/ismounted.c index d943f11..7f24f9b 100644 --- a/e2fsprogs/old_e2fsprogs/ext2fs/ismounted.c +++ b/e2fsprogs/old_e2fsprogs/ext2fs/ismounted.c @@ -249,7 +249,7 @@ static int is_swap_device(const char *file) file_dev = st_buf.st_rdev; #endif /* __GNU__ */ - if (!(f = fopen("/proc/swaps", "r"))) + if (!(f = fopen_for_read("/proc/swaps"))) return 0; /* Skip the first line */ fgets(buf, sizeof(buf), f); diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/test_io.c b/e2fsprogs/old_e2fsprogs/ext2fs/test_io.c index bd74225..3d40d9a 100644 --- a/e2fsprogs/old_e2fsprogs/ext2fs/test_io.c +++ b/e2fsprogs/old_e2fsprogs/ext2fs/test_io.c @@ -180,7 +180,7 @@ static errcode_t test_open(const char *name, int flags, io_channel *channel) data->outfile = NULL; if ((value = getenv("TEST_IO_LOGFILE")) != NULL) - data->outfile = fopen(value, "w"); + data->outfile = fopen_for_write(value); if (!data->outfile) data->outfile = stderr; diff --git a/e2fsprogs/old_e2fsprogs/mke2fs.c b/e2fsprogs/old_e2fsprogs/mke2fs.c index e16fe93..852c249 100644 --- a/e2fsprogs/old_e2fsprogs/mke2fs.c +++ b/e2fsprogs/old_e2fsprogs/mke2fs.c @@ -225,7 +225,7 @@ static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list, FILE *f; errcode_t retval; - f = xfopen(bad_blocks_file, "r"); + f = xfopen_for_read(bad_blocks_file); retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); fclose (f); mke2fs_error_msg_and_die(retval, "read bad blocks from list"); diff --git a/editors/awk.c b/editors/awk.c index 7af9e1e..571d681 100644 --- a/editors/awk.c +++ b/editors/awk.c @@ -2400,7 +2400,7 @@ static var *evaluate(node *op, var *res) X.rsm->F = popen(L.s, "r"); X.rsm->is_pipe = TRUE; } else { - X.rsm->F = fopen(L.s, "r"); /* not xfopen! */ + X.rsm->F = fopen_for_read(L.s); /* not xfopen! */ } } } else { diff --git a/editors/patch.c b/editors/patch.c index d5f6df2..e8482a7 100644 --- a/editors/patch.c +++ b/editors/patch.c @@ -131,9 +131,9 @@ int patch_main(int argc UNUSED_PARAM, char **argv) } else { backup_filename = xasprintf("%s.orig", new_filename); xrename(new_filename, backup_filename); - src_stream = xfopen(backup_filename, "r"); + src_stream = xfopen_for_read(backup_filename); } - dst_stream = xfopen(new_filename, "w"); + dst_stream = xfopen_for_write(new_filename); fchmod(fileno(dst_stream), saved_stat.st_mode); printf("patching file %s\n", new_filename); diff --git a/editors/sed.c b/editors/sed.c index 67e8841..496d3d2 100644 --- a/editors/sed.c +++ b/editors/sed.c @@ -438,7 +438,7 @@ static const char *parse_cmd_args(sed_cmd_t *sed_cmd, const char *cmdstr) bb_error_msg_and_die("command only uses one address"); cmdstr += parse_file_cmd(/*sed_cmd,*/ cmdstr, &sed_cmd->string); if (sed_cmd->cmd == 'w') { - sed_cmd->sw_file = xfopen(sed_cmd->string, "w"); + sed_cmd->sw_file = xfopen_for_write(sed_cmd->string); sed_cmd->sw_last_char = '\n'; } /* handle branch commands */ @@ -1025,7 +1025,7 @@ static void process_files(void) { FILE *rfile; - rfile = fopen(sed_cmd->string, "r"); + rfile = fopen_for_read(sed_cmd->string); if (rfile) { char *line; @@ -1271,7 +1271,7 @@ int sed_main(int argc UNUSED_PARAM, char **argv) while (opt_f) { // -f char *line; FILE *cmdfile; - cmdfile = xfopen(llist_pop(&opt_f), "r"); + cmdfile = xfopen_for_read(llist_pop(&opt_f)); while ((line = xmalloc_fgetline(cmdfile)) != NULL) { add_cmd(line); free(line); diff --git a/findutils/grep.c b/findutils/grep.c index 5cfd772..030e624 100644 --- a/findutils/grep.c +++ b/findutils/grep.c @@ -375,7 +375,7 @@ static int FAST_FUNC file_action_grep(const char *filename, void* matched, int depth UNUSED_PARAM) { - FILE *file = fopen(filename, "r"); + FILE *file = fopen_for_read(filename); if (file == NULL) { if (!SUPPRESS_ERR_MSGS) bb_simple_perror_msg(filename); @@ -514,7 +514,7 @@ int grep_main(int argc, char **argv) } } /* else: fopen(dir) will succeed, but reading won't */ - file = fopen(cur_file, "r"); + file = fopen_for_read(cur_file); if (file == NULL) { if (!SUPPRESS_ERR_MSGS) bb_simple_perror_msg(cur_file); diff --git a/findutils/xargs.c b/findutils/xargs.c index 7a9865b..8f0a3d4 100644 --- a/findutils/xargs.c +++ b/findutils/xargs.c @@ -277,7 +277,7 @@ static int xargs_ask_confirmation(void) FILE *tty_stream; int c, savec; - tty_stream = xfopen(CURRENT_TTY, "r"); + tty_stream = xfopen_for_read(CURRENT_TTY); fputs(" ?...", stderr); fflush(stderr); c = savec = getc(tty_stream); diff --git a/include/libbb.h b/include/libbb.h index 4b2a839..684e130 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -631,6 +631,10 @@ extern FILE *fopen_or_warn(const char *filename, const char *mode) FAST_FUNC; /* "Opens" stdin if filename is special, else just opens file: */ extern FILE *xfopen_stdin(const char *filename) FAST_FUNC; extern FILE *fopen_or_warn_stdin(const char *filename) FAST_FUNC; +extern FILE* fopen_for_read(const char *path) FAST_FUNC; +extern FILE* xfopen_for_read(const char *path) FAST_FUNC; +extern FILE* fopen_for_write(const char *path) FAST_FUNC; +extern FILE* xfopen_for_write(const char *path) FAST_FUNC; int bb_pstrcmp(const void *a, const void *b) /* not FAST_FUNC! */; void qsort_string_vector(char **sv, unsigned count) FAST_FUNC; @@ -993,10 +997,12 @@ int bb_parse_mode(const char* s, mode_t* theMode) FAST_FUNC; * Config file parser */ enum { + PARSE_VANILLA = 0x00000000, // trim line, collapse delimiters, warn and continue if less than mintokens PARSE_DONT_REDUCE = 0x00010000, // do not treat consecutive delimiters as one PARSE_DONT_TRIM = 0x00020000, // do not trim line of leading and trailing delimiters PARSE_LAST_IS_GREEDY = 0x00040000, // last token takes whole remainder of the line // PARSE_DONT_NULL = 0x00080000, // do not set tokens[] to NULL + PARSE_MIN_DIE = 0x00100000, // die if less tokens found // keep a copy of current line PARSE_KEEP_COPY = 0x00200000 * ENABLE_DEBUG_CROND_OPTION, }; @@ -1007,6 +1013,7 @@ typedef struct parser_t { int lineno; } parser_t; parser_t* config_open(const char *filename) FAST_FUNC; +parser_t* config_open2(const char *filename, FILE* FAST_FUNC (*fopen_func)(const char *path)) FAST_FUNC; int config_read(parser_t *parser, char **tokens, unsigned flags, const char *delims) FAST_FUNC; #define config_read(parser, tokens, max, min, str, flags) \ config_read(parser, tokens, ((flags) | (((min) & 0xFF) << 8) | ((max) & 0xFF)), str) diff --git a/init/init.c b/init/init.c index d11d425..884603a 100644 --- a/init/init.c +++ b/init/init.c @@ -681,7 +681,7 @@ static void parse_inittab(void) "sysinit\0""respawn\0""askfirst\0""wait\0""once\0" "ctrlaltdel\0""shutdown\0""restart\0"; - parser_t *parser = config_open(INITTAB); + parser_t *parser = config_open2(INITTAB, fopen_for_read); /* No inittab file -- set up some default behavior */ if (parser == NULL) { /* Reboot on Ctrl-Alt-Del */ diff --git a/libbb/appletlib.c b/libbb/appletlib.c index 8c35450..beb1d6f 100644 --- a/libbb/appletlib.c +++ b/libbb/appletlib.c @@ -316,7 +316,7 @@ static void parse_config_file(void) || !S_ISREG(st.st_mode) /* Not a regular file? */ || (st.st_uid != 0) /* Not owned by root? */ || (st.st_mode & (S_IWGRP | S_IWOTH)) /* Writable by non-root? */ - || !(f = fopen(config_file, "r")) /* Cannot open? */ + || !(f = fopen_for_read(config_file)) /* Cannot open? */ ) { return; } diff --git a/libbb/lineedit.c b/libbb/lineedit.c index a46b5d2..2e16e6a 100644 --- a/libbb/lineedit.c +++ b/libbb/lineedit.c @@ -989,7 +989,7 @@ static void load_history(const char *fromfile) /* NB: do not trash old history if file can't be opened */ - fp = fopen(fromfile, "r"); + fp = fopen_for_read(fromfile); if (fp) { /* clean up old history */ for (hi = state->cnt_history; hi > 0;) { @@ -1022,7 +1022,7 @@ static void save_history(const char *tofile) { FILE *fp; - fp = fopen(tofile, "w"); + fp = fopen_for_write(tofile); if (fp) { int i; diff --git a/libbb/login.c b/libbb/login.c index 1703a2e..b3e199c 100644 --- a/libbb/login.c +++ b/libbb/login.c @@ -32,7 +32,7 @@ void FAST_FUNC print_login_issue(const char *issue_file, const char *tty) puts("\r"); /* start a new line */ - fp = fopen(issue_file, "r"); + fp = fopen_for_read(issue_file); if (!fp) return; while ((c = fgetc(fp)) != EOF) { diff --git a/libbb/parse_config.c b/libbb/parse_config.c index 3174a64..5109066 100644 --- a/libbb/parse_config.c +++ b/libbb/parse_config.c @@ -59,11 +59,11 @@ Typical usage: */ -parser_t* FAST_FUNC config_open(const char *filename) +parser_t* FAST_FUNC config_open2(const char *filename, FILE* FAST_FUNC (*fopen_func)(const char *path)) { parser_t *parser = xzalloc(sizeof(parser_t)); /* empty file configures nothing */ - parser->fp = fopen_or_warn_stdin(filename); + parser->fp = fopen_func(filename); if (parser->fp) return parser; if (ENABLE_FEATURE_CLEAN_UP) @@ -71,6 +71,11 @@ parser_t* FAST_FUNC config_open(const char *filename) return NULL; } +parser_t* FAST_FUNC config_open(const char *filename) +{ + return config_open2(filename, fopen_or_warn_stdin); +} + static void config_free_data(parser_t *const parser) { free(parser->line); @@ -114,6 +119,7 @@ int FAST_FUNC config_read(parser_t *parser, char **tokens, unsigned flags, const int ntokens = flags & 0xFF; int mintokens = (flags & 0xFF00) >> 8; + again: // N.B. this could only be used in read-in-one-go version, or when tokens use xstrdup(). TODO //if (!parser->lineno || !(flags & PARSE_DONT_NULL)) memset(tokens, 0, sizeof(tokens[0]) * ntokens); @@ -211,9 +217,13 @@ int FAST_FUNC config_read(parser_t *parser, char **tokens, unsigned flags, const //bb_info_msg("A[%s]", line); } - if (ii < mintokens) - bb_error_msg_and_die("bad line %u: %d tokens found, %d needed", - parser->lineno, ii, mintokens); + if (ii < mintokens) { + bb_error_msg("bad line %u: %d tokens found, %d needed", + parser->lineno, ii, mintokens); + if (flags & PARSE_MIN_DIE) + xfunc_die(); + goto again; + } return ii; } diff --git a/libbb/procps.c b/libbb/procps.c index f799099..ba3d250 100644 --- a/libbb/procps.c +++ b/libbb/procps.c @@ -308,7 +308,7 @@ procps_status_t* FAST_FUNC procps_scan(procps_status_t* sp, int flags) FILE *file; strcpy(filename_tail, "/smaps"); - file = fopen(filename, "r"); + file = fopen_for_read(filename); if (!file) break; while (fgets(buf, sizeof(buf), file)) { diff --git a/libbb/rtc.c b/libbb/rtc.c index 1fdeee8..222d977 100644 --- a/libbb/rtc.c +++ b/libbb/rtc.c @@ -14,7 +14,7 @@ int FAST_FUNC rtc_adjtime_is_utc(void) { int utc = 0; - FILE *f = fopen(ADJTIME_PATH, "r"); + FILE *f = fopen_for_read(ADJTIME_PATH); if (f) { RESERVE_CONFIG_BUFFER(buffer, 128); diff --git a/libbb/wfopen.c b/libbb/wfopen.c index ac365c2..4c84b3b 100644 --- a/libbb/wfopen.c +++ b/libbb/wfopen.c @@ -18,3 +18,23 @@ FILE* FAST_FUNC fopen_or_warn(const char *path, const char *mode) } return fp; } + +FILE* FAST_FUNC fopen_for_read(const char *path) +{ + return fopen(path, "r"); +} + +FILE* FAST_FUNC xfopen_for_read(const char *path) +{ + return xfopen(path, "r"); +} + +FILE* FAST_FUNC fopen_for_write(const char *path) +{ + return fopen(path, "w"); +} + +FILE* FAST_FUNC xfopen_for_write(const char *path) +{ + return xfopen(path, "w"); +} diff --git a/libpwdgrp/pwd_grp.c b/libpwdgrp/pwd_grp.c index 867caf0..2065190 100644 --- a/libpwdgrp/pwd_grp.c +++ b/libpwdgrp/pwd_grp.c @@ -464,7 +464,7 @@ int getpwent_r(struct passwd *__restrict resultbuf, *result = NULL; /* In case of error... */ if (!pwf) { - pwf = fopen(_PATH_PASSWD, "r"); + pwf = fopen_for_read(_PATH_PASSWD); if (!pwf) { rv = errno; goto ERR; @@ -511,7 +511,7 @@ int getgrent_r(struct group *__restrict resultbuf, *result = NULL; /* In case of error... */ if (!grf) { - grf = fopen(_PATH_GROUP, "r"); + grf = fopen_for_read(_PATH_GROUP); if (!grf) { rv = errno; goto ERR; @@ -558,7 +558,7 @@ int getspent_r(struct spwd *resultbuf, char *buffer, *result = NULL; /* In case of error... */ if (!spf) { - spf = fopen(_PATH_SHADOW, "r"); + spf = fopen_for_read(_PATH_SHADOW); if (!spf) { rv = errno; goto ERR; @@ -630,7 +630,7 @@ int initgroups(const char *user, gid_t gid) char buff[PWD_BUFFER_SIZE]; rv = -1; - grfile = fopen(_PATH_GROUP, "r"); + grfile = fopen_for_read(_PATH_GROUP); if (grfile != NULL) { /* We alloc space for 8 gids at a time. */ diff --git a/libpwdgrp/pwd_grp_internal.c b/libpwdgrp/pwd_grp_internal.c index d55edc3..ffdc85e 100644 --- a/libpwdgrp/pwd_grp_internal.c +++ b/libpwdgrp/pwd_grp_internal.c @@ -32,7 +32,7 @@ int GETXXKEY_R_FUNC(GETXXKEY_R_KEYTYPE key, *result = NULL; - stream = fopen(GETXXKEY_R_PATHNAME, "r"); + stream = fopen_for_read(GETXXKEY_R_PATHNAME); if (!stream) return errno; while (1) { diff --git a/loginutils/getty.c b/loginutils/getty.c index 7d4fe4d..358a45c 100644 --- a/loginutils/getty.c +++ b/loginutils/getty.c @@ -668,7 +668,7 @@ int getty_main(int argc UNUSED_PARAM, char **argv) logmode = LOGMODE_BOTH; #ifdef DEBUGGING - dbf = xfopen(DEBUGTERM, "w"); + dbf = xfopen_for_write(DEBUGTERM); for (n = 1; argv[n]; n++) { debug(argv[n]); debug("\n"); diff --git a/loginutils/login.c b/loginutils/login.c index 9c7941e..5a75ed2 100644 --- a/loginutils/login.c +++ b/loginutils/login.c @@ -122,7 +122,7 @@ static void die_if_nologin(void) if (access("/etc/nologin", F_OK)) return; - fp = fopen("/etc/nologin", "r"); + fp = fopen_for_read("/etc/nologin"); if (fp) { while ((c = getc(fp)) != EOF) bb_putchar((c=='\n') ? '\r' : c); @@ -139,30 +139,20 @@ static ALWAYS_INLINE void die_if_nologin(void) {} #if ENABLE_FEATURE_SECURETTY && !ENABLE_PAM static int check_securetty(void) { - FILE *fp; - int i; - char buf[256]; - - fp = fopen("/etc/securetty", "r"); - if (!fp) { - /* A missing securetty file is not an error. */ - return 1; - } - while (fgets(buf, sizeof(buf)-1, fp)) { - for (i = strlen(buf)-1; i >= 0; --i) { - if (!isspace(buf[i])) + char *buf; + int ret = 1; + parser_t *parser = config_open2("/etc/securetty", fopen_for_read); + /* N.B. A missing securetty file is not an error. */ + if (parser) { + while (config_read(parser, &buf, 1, 1, "# \t", 0)) { + if (strcmp(buf, short_tty) == 0) break; } - buf[++i] = '\0'; - if (!buf[0] || (buf[0] == '#')) - continue; - if (strcmp(buf, short_tty) == 0) { - fclose(fp); - return 1; - } + config_close(parser); + // buf != NULL here iff config file was empty (OK) or buf equals short_tty (OK) + ret = buf != NULL; } - fclose(fp); - return 0; + return ret; } #else static ALWAYS_INLINE int check_securetty(void) { return 1; } diff --git a/miscutils/crond.c b/miscutils/crond.c index c7ee793..b3a06a3 100644 --- a/miscutils/crond.c +++ b/miscutils/crond.c @@ -529,7 +529,7 @@ static void CheckUpdates(void) FILE *fi; char buf[256]; - fi = fopen(CRONUPDATE, "r"); + fi = fopen_for_read(CRONUPDATE); if (fi != NULL) { unlink(CRONUPDATE); while (fgets(buf, sizeof(buf), fi) != NULL) { diff --git a/miscutils/devfsd.c b/miscutils/devfsd.c index c85ff08..61b97dc 100644 --- a/miscutils/devfsd.c +++ b/miscutils/devfsd.c @@ -459,7 +459,7 @@ static void read_config_file(char *path, int optional, unsigned long *event_mask free(p); return; } - fp = fopen(path, "r"); + fp = fopen_for_read(path); if (fp != NULL) { while (fgets(buf, STRING_LENGTH, fp) != NULL) { /* Skip whitespace */ diff --git a/miscutils/fbsplash.c b/miscutils/fbsplash.c index 67847c1..380f09b 100644 --- a/miscutils/fbsplash.c +++ b/miscutils/fbsplash.c @@ -341,7 +341,7 @@ static void init(const char *cfg_filename) case 7: G.bdebug_messages = val; if (G.bdebug_messages) - G.logfile_fd = xfopen("/tmp/fbsplash.log", "w"); + G.logfile_fd = xfopen_for_write("/tmp/fbsplash.log"); break; #endif err: diff --git a/miscutils/less.c b/miscutils/less.c index 1e22d33..530a40a 100644 --- a/miscutils/less.c +++ b/miscutils/less.c @@ -1129,7 +1129,7 @@ static void save_input_to_file(void) print_statusline("Log file: "); current_line = less_gets(sizeof("Log file: ")-1); if (current_line[0]) { - fp = fopen(current_line, "w"); + fp = fopen_for_write(current_line); if (!fp) { msg = "Error opening log file"; goto ret; diff --git a/miscutils/makedevs.c b/miscutils/makedevs.c index 3b45d70..ed08f7e 100644 --- a/miscutils/makedevs.c +++ b/miscutils/makedevs.c @@ -80,7 +80,7 @@ int makedevs_main(int argc, char **argv) getopt32(argv, "d:", &line); if (line) - table = xfopen(line, "r"); + table = xfopen_for_read(line); if (optind >= argc || (rootdir=argv[optind])==NULL) { bb_error_msg_and_die("root directory not specified"); diff --git a/miscutils/man.c b/miscutils/man.c index 7ef5941..df00c3e 100644 --- a/miscutils/man.c +++ b/miscutils/man.c @@ -106,9 +106,7 @@ int man_main(int argc UNUSED_PARAM, char **argv) if (parser) { /* go through man configuration file and search relevant paths, sections */ char *token[2]; - while (config_read(parser, token, 2, 0, "# \t", PARSE_LAST_IS_GREEDY)) { - if (!token[1]) - continue; + while (config_read(parser, token, 2, 2, "# \t", PARSE_LAST_IS_GREEDY)) { if (strcmp("MANPATH", token[0]) == 0) { man_path_list[count_mp] = xstrdup(token[1]); count_mp++; diff --git a/modutils/depmod.c b/modutils/depmod.c index d128ac0..b6a914e 100644 --- a/modutils/depmod.c +++ b/modutils/depmod.c @@ -150,7 +150,7 @@ int depmod_main(int argc UNUSED_PARAM, char **argv) if (!(option_mask32 & ARG_n)) { /* --dry-run */ chp = concat_path_file(moddir, CONFIG_DEFAULT_DEPMOD_FILE); - filedes = xfopen(chp, "w"); + filedes = xfopen_for_write(chp); if (ENABLE_FEATURE_CLEAN_UP) free(chp); } diff --git a/modutils/insmod.c b/modutils/insmod.c index 97f4a87..9dcc5b0 100644 --- a/modutils/insmod.c +++ b/modutils/insmod.c @@ -3992,7 +3992,7 @@ int insmod_main(int argc, char **argv) /* Get a filedesc for the module. Check that we have a complete path */ if (stat(arg1, &st) < 0 || !S_ISREG(st.st_mode) - || (fp = fopen(arg1, "r")) == NULL + || (fp = fopen_for_read(arg1)) == NULL ) { /* Hmm. Could not open it. First search under /lib/modules/`uname -r`, * but do not error out yet if we fail to find it... */ @@ -4016,7 +4016,7 @@ int insmod_main(int argc, char **argv) } /* Check if we have found anything yet */ - if (!m_filename || ((fp = fopen(m_filename, "r")) == NULL)) { + if (!m_filename || ((fp = fopen_for_read(m_filename)) == NULL)) { int r; char *module_dir; @@ -4033,7 +4033,7 @@ int insmod_main(int argc, char **argv) bb_error_msg_and_die("%s: module not found", m_fullName); free(module_dir); if (m_filename == NULL - || ((fp = fopen(m_filename, "r")) == NULL) + || ((fp = fopen_for_read(m_filename)) == NULL) ) { bb_error_msg_and_die("%s: module not found", m_fullName); } diff --git a/modutils/lsmod.c b/modutils/lsmod.c index 5e37923..3f23703 100644 --- a/modutils/lsmod.c +++ b/modutils/lsmod.c @@ -28,7 +28,7 @@ static void check_tainted(void) FILE *f; tainted = 0; - f = fopen(TAINT_FILENAME, "r"); + f = fopen_for_read(TAINT_FILENAME); if (f) { fscanf(f, "%d", &tainted); fclose(f); @@ -145,7 +145,7 @@ int lsmod_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) int lsmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int lsmod_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) { - FILE *file = xfopen("/proc/modules", "r"); + FILE *file = xfopen_for_read("/proc/modules"); printf("Module Size Used by"); check_tainted(); diff --git a/modutils/modprobe-small.c b/modutils/modprobe-small.c index ae7c29c..f75dae8 100644 --- a/modutils/modprobe-small.c +++ b/modutils/modprobe-small.c @@ -299,7 +299,7 @@ static FAST_FUNC int fileAction(const char *pathname, static int load_dep_bb(void) { char *line; - FILE *fp = fopen(DEPFILE_BB, "r"); + FILE *fp = fopen_for_read(DEPFILE_BB); if (!fp) return 0; @@ -492,7 +492,7 @@ static int already_loaded(const char *name) char *line; FILE* modules; - modules = xfopen("/proc/modules", "r"); + modules = xfopen_for_read("/proc/modules"); while ((line = xmalloc_fgets(modules)) != NULL) { if (strncmp(line, name, len) == 0 && line[len] == ' ') { free(line); @@ -688,7 +688,7 @@ int modprobe_main(int argc UNUSED_PARAM, char **argv) /* are we lsmod? -> just dump /proc/modules */ if ('l' == applet0) { - xprint_and_close_file(xfopen("/proc/modules", "r")); + xprint_and_close_file(xfopen_for_read("/proc/modules")); return EXIT_SUCCESS; } diff --git a/networking/arp.c b/networking/arp.c index ac8c870..620f7c0 100644 --- a/networking/arp.c +++ b/networking/arp.c @@ -382,7 +382,7 @@ static int arp_show(char *name) } host = xstrdup(ap->sprint(&sa, 1)); } - fp = xfopen("/proc/net/arp", "r"); + fp = xfopen_for_read("/proc/net/arp"); /* Bypass header -- read one line */ fgets(line, sizeof(line), fp); diff --git a/networking/dnsd.c b/networking/dnsd.c index 0047a84..efb5cfb 100644 --- a/networking/dnsd.c +++ b/networking/dnsd.c @@ -113,7 +113,7 @@ static void dnsentryinit(void) parser = config_open(fileconf); if (parser) { char *token[2]; - while (config_read(parser, token, 2, 0, "# \t", 0)) { + while (config_read(parser, token, 2, 2, "# \t", 0)) { unsigned int a,b,c,d; /* * Assumes all host names are lower case only @@ -121,7 +121,8 @@ static void dnsentryinit(void) * Presently the dot is copied into name without * converting to a length/string substring for that label. */ - if (!token[1] || sscanf(token[1], ".%u.%u.%u.%u"+1, &a, &b, &c, &d) != 4) +// if (!token[1] || sscanf(token[1], ".%u.%u.%u.%u"+1, &a, &b, &c, &d) != 4) + if (sscanf(token[1], ".%u.%u.%u.%u"+1, &a, &b, &c, &d) != 4) continue; m = xzalloc(sizeof(*m)); diff --git a/networking/hostname.c b/networking/hostname.c index 93cbc96..dd2a206 100644 --- a/networking/hostname.c +++ b/networking/hostname.c @@ -16,28 +16,19 @@ static void do_sethostname(char *s, int isfile) { - FILE *f; - if (!s) return; - if (!isfile) { - if (sethostname(s, strlen(s)) < 0) { - if (errno == EPERM) - bb_error_msg_and_die(bb_msg_perm_denied_are_you_root); - bb_perror_msg_and_die("sethostname"); - } - } else { - f = xfopen(s, "r"); -#define strbuf bb_common_bufsiz1 - while (fgets(strbuf, sizeof(strbuf), f) != NULL) { - if (strbuf[0] == '#') { - continue; - } - chomp(strbuf); - do_sethostname(strbuf, 0); + if (isfile) { + parser_t *parser = config_open2(s, xfopen_for_read); + while (config_read(parser, &s, 1, 1, "# \t", 0)) { + do_sethostname(s, 0); } if (ENABLE_FEATURE_CLEAN_UP) - fclose(f); + config_close(parser); + } else if (sethostname(s, strlen(s)) < 0) { + if (errno == EPERM) + bb_error_msg_and_die(bb_msg_perm_denied_are_you_root); + bb_perror_msg_and_die("sethostname"); } } @@ -98,5 +89,5 @@ int hostname_main(int argc, char **argv) } if (ENABLE_FEATURE_CLEAN_UP) free(buf); - return 0; + return EXIT_SUCCESS; } diff --git a/networking/httpd.c b/networking/httpd.c index 8c4242e..82891f1 100644 --- a/networking/httpd.c +++ b/networking/httpd.c @@ -518,7 +518,7 @@ static void parse_conf(const char *path, int flag) sprintf((char *)filename, "%s/%s", path, httpd_conf); } - while ((f = fopen(filename, "r")) == NULL) { + while ((f = fopen_for_read(filename)) == NULL) { if (flag == SUBDIR_PARSE || flag == FIND_FROM_HTTPD_ROOT) { /* config file not found, no changes to config */ return; diff --git a/networking/ifupdown.c b/networking/ifupdown.c index cb937ca..c0e9e81 100644 --- a/networking/ifupdown.c +++ b/networking/ifupdown.c @@ -692,7 +692,7 @@ static struct interfaces_file_t *read_interfaces(const char *filename) enum { NONE, IFACE, MAPPING } currently_processing = NONE; defn = xzalloc(sizeof(*defn)); - f = xfopen(filename, "r"); + f = xfopen_for_read(filename); while ((buf = xmalloc_fgetline(f)) != NULL) { #if ENABLE_DESKTOP @@ -1090,7 +1090,7 @@ static llist_t *find_iface_state(llist_t *state_list, const char *iface) static llist_t *read_iface_state(void) { llist_t *state_list = NULL; - FILE *state_fp = fopen(CONFIG_IFUPDOWN_IFSTATE_PATH, "r"); + FILE *state_fp = fopen_for_read(CONFIG_IFUPDOWN_IFSTATE_PATH); if (state_fp) { char *start, *end_ptr; @@ -1256,7 +1256,7 @@ int ifupdown_main(int argc, char **argv) } /* Actually write the new state */ - state_fp = xfopen(CONFIG_IFUPDOWN_IFSTATE_PATH, "w"); + state_fp = xfopen_for_write(CONFIG_IFUPDOWN_IFSTATE_PATH); state = state_list; while (state) { if (state->data) { diff --git a/networking/interface.c b/networking/interface.c index 83b24f1..065b4ba 100644 --- a/networking/interface.c +++ b/networking/interface.c @@ -990,7 +990,7 @@ static void ife_print(struct interface *ptr) #define IPV6_ADDR_MAPPED 0x1000U #define IPV6_ADDR_RESERVED 0x2000U /* reserved address space */ - f = fopen(_PATH_PROCNET_IFINET6, "r"); + f = fopen_for_read(_PATH_PROCNET_IFINET6); if (f != NULL) { while (fscanf (f, "%4s%4s%4s%4s%4s%4s%4s%4s %08x %02x %02x %02x %20s\n", diff --git a/networking/libiproute/iproute.c b/networking/libiproute/iproute.c index 17af41f..bdccad6 100644 --- a/networking/libiproute/iproute.c +++ b/networking/libiproute/iproute.c @@ -64,7 +64,7 @@ static unsigned get_hz(void) if (hz_internal) return hz_internal; - fp = fopen("/proc/net/psched", "r"); + fp = fopen_for_read("/proc/net/psched"); if (fp) { unsigned nom, denom; diff --git a/networking/libiproute/rt_names.c b/networking/libiproute/rt_names.c index 797c83b..b22df9c 100644 --- a/networking/libiproute/rt_names.c +++ b/networking/libiproute/rt_names.c @@ -18,7 +18,7 @@ static void rtnl_tab_initialize(const char *file, const char **tab, int size) char buf[512]; FILE *fp; - fp = fopen(file, "r"); + fp = fopen_for_read(file); if (!fp) return; while (fgets(buf, sizeof(buf), fp)) { diff --git a/networking/nameif.c b/networking/nameif.c index 76a8cb7..5a3bd60 100644 --- a/networking/nameif.c +++ b/networking/nameif.c @@ -170,7 +170,7 @@ int nameif_main(int argc, char **argv) } ctl_sk = xsocket(PF_INET, SOCK_DGRAM, 0); - ifh = xfopen("/proc/net/dev", "r"); + ifh = xfopen_for_read("/proc/net/dev"); linenum = 0; while (clist) { diff --git a/networking/netstat.c b/networking/netstat.c index 24b2654..46510ac 100644 --- a/networking/netstat.c +++ b/networking/netstat.c @@ -466,7 +466,7 @@ static void do_info(const char *file, const char *name, int (*proc)(int, char *) FILE *procinfo; char *buffer; - procinfo = fopen(file, "r"); + procinfo = fopen_for_read(file); if (procinfo == NULL) { if (errno != ENOENT) { bb_simple_perror_msg(file); diff --git a/networking/route.c b/networking/route.c index 7b6d4f4..2bc2f92 100644 --- a/networking/route.c +++ b/networking/route.c @@ -484,7 +484,7 @@ void FAST_FUNC bb_displayroutes(int noresolve, int netstatfmt) struct sockaddr_in s_addr; struct in_addr mask; - FILE *fp = xfopen("/proc/net/route", "r"); + FILE *fp = xfopen_for_read("/proc/net/route"); printf("Kernel IP routing table\n" "Destination Gateway Genmask Flags %s Iface\n", @@ -552,7 +552,7 @@ static void INET6_displayroutes(void) int iflags, metric, refcnt, use, prefix_len, slen; struct sockaddr_in6 snaddr6; - FILE *fp = xfopen("/proc/net/ipv6_route", "r"); + FILE *fp = xfopen_for_read("/proc/net/ipv6_route"); printf("Kernel IPv6 routing table\n%-44s%-40s" "Flags Metric Ref Use Iface\n", diff --git a/networking/traceroute.c b/networking/traceroute.c index f16fc79..4e6ca2d 100644 --- a/networking/traceroute.c +++ b/networking/traceroute.c @@ -508,7 +508,7 @@ findsaddr(const struct sockaddr_in *to, struct sockaddr_in *from) struct IFADDRLIST *al; char buf[256], tdevice[256], device[256]; - f = xfopen("/proc/net/route", "r"); + f = xfopen_for_read("/proc/net/route"); /* Find the appropriate interface */ n = 0; diff --git a/networking/udhcp/files.c b/networking/udhcp/files.c index fe6bff4..264a988 100644 --- a/networking/udhcp/files.c +++ b/networking/udhcp/files.c @@ -321,9 +321,7 @@ void read_config(const char *file) if (!parser) return; - while (config_read(parser, token, 2, 0, "# \t", PARSE_LAST_IS_GREEDY)) { - if (!token[1]) - continue; + while (config_read(parser, token, 2, 2, "# \t", PARSE_LAST_IS_GREEDY)) { for (k = keywords, i = 0; i < ARRAY_SIZE(keywords); k++, i++) { if (!strcasecmp(token[0], k->keyword)) { if (!k->handler(token[1], k->var)) { diff --git a/procps/fuser.c b/procps/fuser.c index ca7c7e2..d2ac9eb 100644 --- a/procps/fuser.c +++ b/procps/fuser.c @@ -109,7 +109,7 @@ static inode_list *scan_proc_net(const char *proto, tmp_dev = find_socket_dev(); sprintf(path, "/proc/net/%s", proto); - f = fopen(path, "r"); + f = fopen_for_read(path); if (!f) return ilist; @@ -158,7 +158,7 @@ static pid_list *scan_pid_maps(const char *fname, pid_t pid, long long uint64_inode; dev_t dev; - file = fopen(fname, "r"); + file = fopen_for_read(fname); if (!file) return plist; while (fgets(line, MAX_LINE, file)) { diff --git a/procps/sysctl.c b/procps/sysctl.c index 6e582b0..3fe6f6f 100644 --- a/procps/sysctl.c +++ b/procps/sysctl.c @@ -98,10 +98,11 @@ static int sysctl_preload_file_and_exit(const char *filename) if (!parser) return 1; - while (config_read(parser, token, 2, 0, "# \t=", PARSE_LAST_IS_GREEDY)) { // TODO: ';' is comment char too - if (!token[1]) { - bb_error_msg(WARN_BAD_LINE, filename, parser->lineno); - } else { + while (config_read(parser, token, 2, 2, "# \t=", PARSE_LAST_IS_GREEDY)) { // TODO: ';' is comment char too +// if (!token[1]) { +// bb_error_msg(WARN_BAD_LINE, filename, parser->lineno); +// } else { + { #if 0 char *s = xasprintf("%s=%s", token[0], token[1]); sysctl_write_setting(s); @@ -205,7 +206,7 @@ static int sysctl_read_setting(const char *name) while ((cptr = strchr(outname, '/')) != NULL) *cptr = '.'; - fp = fopen(tmpname, "r"); + fp = fopen_for_read(tmpname); if (fp == NULL) { switch (errno) { case ENOENT: diff --git a/procps/top.c b/procps/top.c index 392a3c8..1a6b8ab 100644 --- a/procps/top.c +++ b/procps/top.c @@ -164,7 +164,7 @@ static int mult_lvl_cmp(void* a, void* b) static void get_jiffy_counts(void) { - FILE* fp = xfopen("stat", "r"); + FILE* fp = xfopen_for_read("stat"); prev_jif = jif; if (fscanf(fp, "cpu %lld %lld %lld %lld %lld %lld %lld %lld", &jif.usr,&jif.nic,&jif.sys,&jif.idle, @@ -268,7 +268,7 @@ static unsigned long display_header(int scr_width) #endif /* read memory info */ - fp = xfopen("meminfo", "r"); + fp = xfopen_for_read("meminfo"); /* * Old kernels (such as 2.4.x) had a nice summary of memory info that @@ -617,7 +617,7 @@ static void display_topmem_header(int scr_width) memset(&Z, 0, sizeof(Z)); /* read memory info */ - fp = xfopen("meminfo", "r"); + fp = xfopen_for_read("meminfo"); while (fgets(linebuf, sizeof(linebuf), fp)) { char *p; diff --git a/scripts/basic/split-include.c b/scripts/basic/split-include.c index 459c452..60934b5 100644 --- a/scripts/basic/split-include.c +++ b/scripts/basic/split-include.c @@ -154,7 +154,7 @@ int main(int argc, const char * argv []) } /* Write the file. */ - if ((fp_target = fopen(ptarget, "w" )) == NULL) + if ((fp_target = fopen(ptarget, "w")) == NULL) ERROR_EXIT(ptarget); fputs(line, fp_target); if (ferror(fp_target) || fclose(fp_target) != 0) diff --git a/selinux/setfiles.c b/selinux/setfiles.c index d567f83..8eb04e6 100644 --- a/selinux/setfiles.c +++ b/selinux/setfiles.c @@ -554,7 +554,7 @@ int setfiles_main(int argc, char **argv) if ((applet_name[0] == 's') && (flags & OPT_c)) { FILE *policystream; - policystream = xfopen(policyfile, "r"); + policystream = xfopen_for_read(policyfile); if (sepol_set_policydb_from_file(policystream) < 0) { bb_error_msg_and_die("sepol_set_policydb_from_file on %s", policyfile); } @@ -575,7 +575,7 @@ int setfiles_main(int argc, char **argv) if (flags & OPT_o) { outfile = stdout; if (NOT_LONE_CHAR(out_filename, '-')) { - outfile = xfopen(out_filename, "w"); + outfile = xfopen_for_write(out_filename); } } if (applet_name[0] == 'r') { /* restorecon */ @@ -620,7 +620,7 @@ int setfiles_main(int argc, char **argv) FILE *f = stdin; if (NOT_LONE_CHAR(input_filename, '-')) - f = xfopen(input_filename, "r"); + f = xfopen_for_read(input_filename); while ((len = getline(&buf, &buf_len, f)) > 0) { buf[len - 1] = '\0'; errors |= process_one(buf); diff --git a/shell/bbsh.c b/shell/bbsh.c index 3be64ee..897c022 100644 --- a/shell/bbsh.c +++ b/shell/bbsh.c @@ -206,7 +206,7 @@ int bbsh_main(int argc, char **argv) getopt32(argv, "c:", &command); - f = argv[optind] ? xfopen(argv[optind],"r") : NULL; + f = argv[optind] ? xfopen_for_read(argv[optind]) : NULL; if (command) handle(command); else { unsigned cmdlen=0; diff --git a/shell/hush.c b/shell/hush.c index 3dc27d9..cf6a18f 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -4012,7 +4012,7 @@ int hush_main(int argc, char **argv) if (argv[0] && argv[0][0] == '-') { debug_printf("sourcing /etc/profile\n"); - input = fopen("/etc/profile", "r"); + input = fopen_for_read("/etc/profile"); if (input != NULL) { close_on_exec_on(fileno(input)); parse_and_run_file(input); @@ -4116,7 +4116,7 @@ int hush_main(int argc, char **argv) debug_printf("\nrunning script '%s'\n", argv[optind]); global_argv = argv + optind; global_argc = argc - optind; - input = xfopen(argv[optind], "r"); + input = xfopen_for_read(argv[optind]); fcntl(fileno(input), F_SETFD, FD_CLOEXEC); opt = parse_and_run_file(input); } @@ -4423,7 +4423,7 @@ static int builtin_source(char **argv) return EXIT_FAILURE; /* XXX search through $PATH is missing */ - input = fopen(argv[1], "r"); + input = fopen_for_read(argv[1]); if (!input) { bb_error_msg("can't open '%s'", argv[1]); return EXIT_FAILURE; diff --git a/shell/lash_unused.c b/shell/lash_unused.c index 7084089..90b1f56 100644 --- a/shell/lash_unused.c +++ b/shell/lash_unused.c @@ -1513,7 +1513,7 @@ int lash_main(int argc, char **argv) if (global_argv[0] && global_argv[0][0] == '-') { FILE *prof_input; - prof_input = fopen("/etc/profile", "r"); + prof_input = fopen_for_read("/etc/profile"); if (prof_input) { llist_add_to(&close_me_list, (void *)(long)fileno(prof_input)); /* Now run the file */ @@ -1553,7 +1553,7 @@ int lash_main(int argc, char **argv) } } else if (!local_pending_command && global_argv[optind]) { //printf( "optind=%d argv[optind]='%s'\n", optind, argv[optind]); - input = xfopen(global_argv[optind], "r"); + input = xfopen_for_read(global_argv[optind]); /* be lazy, never mark this closed */ llist_add_to(&close_me_list, (void *)(long)fileno(input)); } diff --git a/util-linux/fbset.c b/util-linux/fbset.c index ab7770d..ac45fe8 100644 --- a/util-linux/fbset.c +++ b/util-linux/fbset.c @@ -178,7 +178,7 @@ static int readmode(struct fb_var_screeninfo *base, const char *fn, char buf[256]; char *p = buf; - f = xfopen(fn, "r"); + f = xfopen_for_read(fn); while (!feof(f)) { fgets(buf, sizeof(buf), f); p = strstr(buf, "mode "); diff --git a/util-linux/fdisk.c b/util-linux/fdisk.c index 702567a..b1f0b65 100644 --- a/util-linux/fdisk.c +++ b/util-linux/fdisk.c @@ -2684,7 +2684,7 @@ is_ide_cdrom_or_tape(const char *device) return 0; snprintf(buf, sizeof(buf), "/proc/ide/%s/media", device+5); - procf = fopen(buf, "r"); + procf = fopen_for_read(buf); if (procf != NULL && fgets(buf, sizeof(buf), procf)) is_ide = (!strncmp(buf, "cdrom", 5) || !strncmp(buf, "tape", 4)); diff --git a/util-linux/fdisk_sun.c b/util-linux/fdisk_sun.c index 427efbe..d1a436b 100644 --- a/util-linux/fdisk_sun.c +++ b/util-linux/fdisk_sun.c @@ -181,7 +181,7 @@ sun_autoconfigure_scsi(void) id[0] & 0xff, (id[0]>>8) & 0xff ); - pfd = fopen("/proc/scsi/scsi", "r"); + pfd = fopen_for_read("/proc/scsi/scsi"); if (!pfd) { return NULL; } diff --git a/util-linux/hexdump.c b/util-linux/hexdump.c index 4d2b059..8ac12f0 100644 --- a/util-linux/hexdump.c +++ b/util-linux/hexdump.c @@ -14,24 +14,13 @@ /* This is a NOEXEC applet. Be very careful! */ - static void bb_dump_addfile(dumper_t *dumper, char *name) { - char *p; - FILE *fp; - char *buf; - - fp = xfopen(name, "r"); - - while ((buf = xmalloc_fgetline(fp)) != NULL) { - p = skip_whitespace(buf); - - if (*p && (*p != '#')) { - bb_dump_add(dumper, p); - } - free(buf); + parser_t *parser = config_open2(name, xfopen_for_read); + while (config_read(parser, &name, 1, 1, "# \t", 0)) { + bb_dump_add(dumper, name); } - fclose(fp); + config_close(parser); } static const char *const add_strings[] = { @@ -131,7 +120,7 @@ int hexdump_main(int argc, char **argv) do { char *buf; - fp = xfopen(*argv, "r"); + fp = xfopen_for_read(*argv); jump_in: while ((buf = xmalloc_fgetline(fp)) != NULL) { p = buf; diff --git a/util-linux/mkfs_minix.c b/util-linux/mkfs_minix.c index 8c3991a..b29bf5a 100644 --- a/util-linux/mkfs_minix.c +++ b/util-linux/mkfs_minix.c @@ -540,7 +540,7 @@ static void get_list_blocks(char *filename) FILE *listfile; unsigned long blockno; - listfile = xfopen(filename, "r"); + listfile = xfopen_for_read(filename); while (!feof(listfile)) { fscanf(listfile, "%ld\n", &blockno); mark_zone(blockno); diff --git a/util-linux/more.c b/util-linux/more.c index 9395466..cf8e137 100644 --- a/util-linux/more.c +++ b/util-linux/more.c @@ -72,7 +72,7 @@ int more_main(int argc UNUSED_PARAM, char **argv) * is not a tty and turns into cat. This makes sense. */ if (!isatty(STDOUT_FILENO)) return bb_cat(argv); - cin = fopen(CURRENT_TTY, "r"); + cin = fopen_for_read(CURRENT_TTY); if (!cin) return bb_cat(argv); diff --git a/util-linux/mount.c b/util-linux/mount.c index 31f433b..2288e2c 100644 --- a/util-linux/mount.c +++ b/util-linux/mount.c @@ -363,7 +363,7 @@ static llist_t *get_block_backed_filesystems(void) FILE *f; for (i = 0; i < 2; i++) { - f = fopen(filesystems[i], "r"); + f = fopen_for_read(filesystems[i]); if (!f) continue; while ((buf = xmalloc_fgetline(f)) != NULL) { diff --git a/util-linux/readprofile.c b/util-linux/readprofile.c index 1c15712..1f5ba2e 100644 --- a/util-linux/readprofile.c +++ b/util-linux/readprofile.c @@ -144,7 +144,7 @@ int readprofile_main(int argc UNUSED_PARAM, char **argv) total = 0; - map = xfopen(mapFile, "r"); + map = xfopen_for_read(mapFile); while (fgets(mapline, S_LEN, map)) { if (sscanf(mapline, "%llx %s %s", &fn_add, mode, fn_name) != 3) diff --git a/util-linux/volume_id/get_devname.c b/util-linux/volume_id/get_devname.c index d1968b7..f9a2c90 100644 --- a/util-linux/volume_id/get_devname.c +++ b/util-linux/volume_id/get_devname.c @@ -165,7 +165,7 @@ uuidcache_init_partitions(void) int handleOnFirst; char *chptr; - procpt = xfopen("/proc/partitions", "r"); + procpt = xfopen_for_read("/proc/partitions"); /* # cat /proc/partitions major minor #blocks name @@ -259,7 +259,7 @@ uuidcache_init_cdroms(void) int ma, mi; FILE *proccd; - proccd = fopen(PROC_CDROMS, "r"); + proccd = fopen_for_read(PROC_CDROMS); if (!proccd) { // static smallint warn = 0; // if (!warn) { |