* src/gpasswd.c: Use a bool when possible instead of int integers.
* src/gpasswd.c: Avoid implicit conversion of pointers / integers / chars to booleans. * src/gpasswd.c: Ignore the return value of putchar() and fflush() before exiting. * src/gpasswd.c: check_list() renamed is_valid_user_list(), and return a bool. * src/gpasswd.c: Ignore return value of setlocale(), bindtextdomain(), and textdomain().
This commit is contained in:
nekral-guest
parent
5e2b49dad4
commit
e41460cae5
12
ChangeLog
12
ChangeLog
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@ -1,3 +1,15 @@
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2008-06-09 Nicolas François <nicolas.francois@centraliens.net>
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* src/gpasswd.c: Use a bool when possible instead of int integers.
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* src/gpasswd.c: Avoid implicit conversion of pointers / integers
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/ chars to booleans.
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* src/gpasswd.c: Ignore the return value of putchar() and fflush()
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before exiting.
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* src/gpasswd.c: check_list() renamed is_valid_user_list(), and
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return a bool.
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* src/gpasswd.c: Ignore return value of setlocale(),
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bindtextdomain(), and textdomain().
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2008-06-09 Nicolas François <nicolas.francois@centraliens.net>
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* src/grpck.c: Use a bool when possible instead of int integers.
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@ -58,14 +58,18 @@ static char *Prog;
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#ifdef SHADOWGRP
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/* Indicate if shadow groups are enabled on the system
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* (/etc/gshadow present) */
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static int is_shadowgrp;
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static int gshadow_locked = 0;
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static bool is_shadowgrp;
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static bool gshadow_locked = false;
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#endif
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static int group_locked = 0;
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static bool group_locked = false;
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/* Flags set by options */
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static int
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aflg = 0, Aflg = 0, dflg = 0, Mflg = 0, rflg = 0, Rflg = 0;
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static bool aflg = false;
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static bool Aflg = false;
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static bool dflg = false;
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static bool Mflg = false;
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static bool rflg = false;
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static bool Rflg = false;
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/* The name of the group that is being affected */
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static char *group = NULL;
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/* The name of the user being added (-a) or removed (-d) from group */
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@ -79,7 +83,7 @@ static char *admins = NULL;
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/* The name of the caller */
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static char *myname = NULL;
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/* The UID of the caller */
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static unsigned long bywho = -1;
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static uid_t bywho;
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/* Indicate if gpasswd was called by root */
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#define amroot (0 == bywho)
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@ -92,7 +96,7 @@ static unsigned long bywho = -1;
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static void usage (void);
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static RETSIGTYPE catch_signals (int killed);
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static void fail_exit (int status);
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static int check_list (const char *users);
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static bool is_valid_user_list (const char *users);
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static void process_flags (int argc, char **argv);
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static void check_flags (int argc, int opt_index);
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static void open_files (void);
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@ -138,15 +142,15 @@ static RETSIGTYPE catch_signals (int killed)
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{
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static TERMIO sgtty;
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if (killed) {
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if (0 != killed) {
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STTY (0, &sgtty);
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} else {
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GTTY (0, &sgtty);
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}
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if (killed) {
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putchar ('\n');
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fflush (stdout);
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if (0 != killed) {
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(void) putchar ('\n');
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(void) fflush (stdout);
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fail_exit (killed);
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}
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}
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@ -169,18 +173,18 @@ static void fail_exit (int status)
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}
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/*
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* check_list - check a comma-separated list of user names for validity
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* is_valid_user_list - check a comma-separated list of user names for validity
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*
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* check_list scans a comma-separated list of user names and checks
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* that each listed name exists.
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* is_valid_user_list scans a comma-separated list of user names and
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* checks that each listed name exists is the user database.
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*
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* It returns 0 on success.
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* It returns true if the list of users is valid.
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*/
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static int check_list (const char *users)
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static bool is_valid_user_list (const char *users)
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{
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const char *start, *end;
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char username[32];
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int errors = 0;
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bool valid = true;
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size_t len;
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for (start = users; (NULL != start) && ('\0' != *start); start = end) {
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@ -206,10 +210,10 @@ static int check_list (const char *users)
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if (getpwnam (username) == NULL) {
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fprintf (stderr, _("%s: unknown user %s\n"),
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Prog, username);
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errors++;
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valid = false;
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}
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}
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return errors;
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return valid;
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}
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static void failure (void)
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@ -240,7 +244,7 @@ static void process_flags (int argc, char **argv)
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#endif
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fail_exit (1);
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}
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aflg++;
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aflg = true;
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break;
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#ifdef SHADOWGRP
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case 'A':
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@ -260,14 +264,14 @@ static void process_flags (int argc, char **argv)
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fail_exit (2);
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}
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admins = optarg;
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if (check_list (admins) != 0) {
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if (!is_valid_user_list (admins)) {
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fail_exit (1);
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}
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Aflg++;
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Aflg = true;
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break;
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#endif
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case 'd': /* delete a user */
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dflg++;
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dflg = true;
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user = optarg;
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break;
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case 'g': /* no-op from normal password */
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@ -282,16 +286,16 @@ static void process_flags (int argc, char **argv)
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failure ();
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}
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members = optarg;
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if (check_list (members) != 0) {
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if (!is_valid_user_list (members)) {
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fail_exit (1);
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}
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Mflg++;
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Mflg = true;
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break;
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case 'r': /* remove group password */
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rflg++;
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rflg = true;
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break;
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case 'R': /* restrict group password */
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Rflg++;
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Rflg = true;
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break;
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default:
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usage ();
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@ -309,10 +313,26 @@ static void process_flags (int argc, char **argv)
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*/
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static void check_flags (int argc, int opt_index)
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{
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int exclusive = 0;
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/*
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* Make sure exclusive flags are exclusive
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*/
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if (aflg + dflg + rflg + Rflg + (Aflg || Mflg) > 1) {
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if (aflg) {
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exclusive++;
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}
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if (dflg) {
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exclusive++;
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}
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if (rflg) {
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exclusive++;
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}
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if (Rflg) {
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exclusive++;
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}
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if (Aflg || Mflg) {
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exclusive++;
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}
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if (exclusive > 1) {
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usage ();
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}
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@ -340,7 +360,7 @@ static void open_files (void)
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#endif
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fail_exit (1);
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}
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group_locked++;
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group_locked = true;
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#ifdef SHADOWGRP
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if (is_shadowgrp) {
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if (sgr_lock () == 0) {
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@ -353,7 +373,7 @@ static void open_files (void)
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#endif
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fail_exit (1);
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}
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gshadow_locked++;
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gshadow_locked = true;
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}
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#endif
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if (gr_open (O_RDWR) == 0) {
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@ -409,7 +429,7 @@ static void close_files (void)
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if (is_shadowgrp) {
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/* TODO: same logging as in open_files & for /etc/group */
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sgr_unlock ();
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gshadow_locked--;
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gshadow_locked = false;
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}
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#endif
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if (gr_unlock () == 0) {
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@ -420,7 +440,7 @@ static void close_files (void)
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#endif
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exit (1);
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}
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group_locked--;
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group_locked = false;
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}
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/*
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@ -736,9 +756,9 @@ int main (int argc, char **argv)
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#endif
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sanitize_env ();
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setlocale (LC_ALL, "");
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bindtextdomain (PACKAGE, LOCALEDIR);
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textdomain (PACKAGE);
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(void) setlocale (LC_ALL, "");
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(void) bindtextdomain (PACKAGE, LOCALEDIR);
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(void) textdomain (PACKAGE);
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/*
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* Make a note of whether or not this command was invoked by root.
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@ -857,18 +877,18 @@ int main (int argc, char **argv)
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* one, except the routine is different.
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*/
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if (dflg) {
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int removed = 0;
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bool removed = false;
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printf (_("Removing user %s from group %s\n"), user, group);
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if (is_on_list (grent.gr_mem, user)) {
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removed = 1;
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removed = true;
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grent.gr_mem = del_list (grent.gr_mem, user);
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}
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#ifdef SHADOWGRP
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if (is_shadowgrp) {
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if (is_on_list (sgent.sg_mem, user)) {
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removed = 1;
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removed = true;
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sgent.sg_mem = del_list (sgent.sg_mem, user);
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}
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}
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