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Merge rgagnon's pedantic string checks (apps a-m, bug #2035)

Browse Source 
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3428 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2004-07-14 07:22:30 +00:00
parent 4290558ec0
commit 4d32c46126
11 changed files with 91 additions and 79 deletions
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11
apps/app_agi.c
View File

@@ -1135,15 +1135,18 @@ static agi_command commands[] = {
{ { "set", "music", NULL }, handle_setmusic, "Enable/Disable Music on hold generator", usage_setmusic }
};
static void join(char *s, int len, char *w[])
static void join(char *s, size_t len, char *w[])
{
int x;
/* Join words into a string */
strcpy(s, "");
if (!s) {
return;
}
s[0] = '\0';
for (x=0;w[x];x++) {
if (x)
strncat(s, " ", len - strlen(s));
strncat(s, w[x], len - strlen(s));
strncat(s, " ", len - strlen(s) - 1);
strncat(s, w[x], len - strlen(s) - 1);
}
}

16
apps/app_alarmreceiver.c
View File

@@ -122,7 +122,7 @@ static void database_increment( char *key )
if(option_verbose >= 4)
ast_verbose(VERBOSE_PREFIX_4 "AlarmReceiver: New value for %s: %u\n", key, v);
snprintf(value, sizeof(value) - 1, "%u", v);
snprintf(value, sizeof(value), "%u", v);
res = ast_db_put(db_family, key, value);
@@ -389,7 +389,7 @@ static int log_events(struct ast_channel *chan, char *signalling_type, event_no
{
int res = 0;
char workstring[sizeof(event_spool_dir)+sizeof(event_file)];
char workstring[sizeof(event_spool_dir)+sizeof(event_file)] = "";
int fd;
FILE *logfile;
event_node_t *elp = event;
@@ -398,8 +398,8 @@ static int log_events(struct ast_channel *chan, char *signalling_type, event_no
/* Make a template */
strcpy(workstring, event_spool_dir);
strcat(workstring, event_file);
strncpy(workstring, event_spool_dir, sizeof(workstring) - 1);
strncat(workstring, event_file, sizeof(workstring) - strlen(workstring) - 1);
/* Make the temporary file */
@@ -587,8 +587,10 @@ static int receive_ademco_contact_id( struct ast_channel *chan, void *data, int
break;
}
memset(enew, 0, sizeof(event_node_t));
enew->next = NULL;
strncpy(enew->data, event, sizeof(enew->data));
strncpy(enew->data, event, sizeof(enew->data) - 1);
/*
* Insert event onto end of list
@@ -638,7 +640,7 @@ static int alarmreceiver_exec(struct ast_channel *chan, void *data)
int res = 0;
struct localuser *u;
event_node_t *elp, *efree;
char signalling_type[64];
char signalling_type[64] = "";
event_node_t *event_head = NULL;
@@ -661,7 +663,7 @@ static int alarmreceiver_exec(struct ast_channel *chan, void *data)
/* Set default values for this invokation of the application */
strcpy(signalling_type, ADEMCO_CONTACT_ID);
strncpy(signalling_type, ADEMCO_CONTACT_ID, sizeof(signalling_type) - 1);
/* Answer the channel if it is not already */

2
apps/app_cut.c
View File

@@ -101,7 +101,7 @@ static int cut_exec(struct ast_channel *chan, void *data)
d = '-';
/* String form of the delimiter, for use with strsep(3) */
sprintf(ds,"%c",d);
snprintf(ds, sizeof(ds), "%c", d);
pbx_substitute_variables_helper(chan, tmp, tmp2, MAXRESULT - 1);

30
apps/app_dial.c
View File

@@ -122,7 +122,7 @@ static void hanguptree(struct localuser *outgoing, struct ast_channel *exception
#define AST_MAX_WATCHERS 256
static struct ast_channel *wait_for_answer(struct ast_channel *in, struct localuser *outgoing, int *to, int *allowredir_in, int *allowredir_out, int *allowdisconnect, int *sentringing, char *status)
static struct ast_channel *wait_for_answer(struct ast_channel *in, struct localuser *outgoing, int *to, int *allowredir_in, int *allowredir_out, int *allowdisconnect, int *sentringing, char *status, size_t statussize)
{
struct localuser *o;
int found;
@@ -168,11 +168,11 @@ static struct ast_channel *wait_for_answer(struct ast_channel *in, struct localu
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_2 "Everyone is busy/congested at this time\n");
if (numbusy)
strcpy(status, "BUSY");
strncpy(status, "BUSY", statussize - 1);
else if (numcongestion)
strcpy(status, "CONGESTION");
strncpy(status, "CONGESTION", statussize - 1);
else if (numnochan)
strcpy(status, "CHANUNAVAIL");
strncpy(status, "CHANUNAVAIL", statussize - 1);
/* See if there is a special busy message */
if (ast_exists_extension(in, in->context, in->exten, in->priority + 101, in->callerid))
in->priority+=100;
@@ -251,7 +251,7 @@ static struct ast_channel *wait_for_answer(struct ast_channel *in, struct localu
free(o->chan->ani);
o->chan->ani = malloc(strlen(in->ani) + 1);
if (o->chan->ani)
strncpy(o->chan->ani, in->ani, strlen(in->ani) + 1);
strncpy(o->chan->ani, in->ani, strlen(in->ani));
else
ast_log(LOG_WARNING, "Out of memory\n");
}
@@ -367,7 +367,7 @@ static struct ast_channel *wait_for_answer(struct ast_channel *in, struct localu
if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
/* Got hung up */
*to=-1;
strcpy(status, "CANCEL");
strncpy(status, "CANCEL", statussize - 1);
return NULL;
}
if (f && (f->frametype == AST_FRAME_DTMF) && *allowdisconnect &&
@@ -411,7 +411,7 @@ static int dial_exec(struct ast_channel *chan, void *data)
char restofit[AST_MAX_EXTENSION];
char *transfer = NULL;
char *newnum;
char callerid[256], *l, *n;
char callerid[256] = "", *l, *n;
char *url=NULL; /* JDG */
struct ast_var_t *current;
struct varshead *headp, *newheadp;
@@ -432,7 +432,7 @@ static int dial_exec(struct ast_channel *chan, void *data)
char *sdtmfptr;
char sdtmfdata[256] = "";
char *stack,*var;
char status[256];
char status[256]="";
char toast[80];
int play_to_caller=0,play_to_callee=0;
int playargs=0, sentringing=0, moh=0;
@@ -626,9 +626,9 @@ static int dial_exec(struct ast_channel *chan, void *data)
}
if (privacy) {
if (chan->callerid)
strncpy(callerid, chan->callerid, sizeof(callerid));
strncpy(callerid, chan->callerid, sizeof(callerid) - 1);
else
strcpy(callerid, "");
callerid[0] = '\0';
ast_callerid_parse(callerid, &n, &l);
if (l) {
ast_shrink_phone_number(l);
@@ -760,7 +760,7 @@ static int dial_exec(struct ast_channel *chan, void *data)
else
tmp->chan->callerid = NULL;
/* Copy language from incoming to outgoing */
strcpy(tmp->chan->language, chan->language);
strncpy(tmp->chan->language, chan->language, sizeof(tmp->chan->language) - 1);
if (ast_strlen_zero(tmp->chan->musicclass))
strncpy(tmp->chan->musicclass, chan->musicclass, sizeof(tmp->chan->musicclass) - 1);
if (chan->ani)
@@ -819,7 +819,7 @@ static int dial_exec(struct ast_channel *chan, void *data)
if (outgoing) {
/* Our status will at least be NOANSWER */
strcpy(status, "NOANSWER");
strncpy(status, "NOANSWER", sizeof(status) - 1);
if (outgoing->musiconhold) {
moh=1;
ast_moh_start(chan, NULL);
@@ -828,10 +828,10 @@ static int dial_exec(struct ast_channel *chan, void *data)
sentringing++;
}
} else
strcpy(status, "CHANUNAVAIL");
strncpy(status, "CHANUNAVAIL", sizeof(status) - 1);
time(&start_time);
peer = wait_for_answer(chan, outgoing, &to, &allowredir_in, &allowredir_out, &allowdisconnect, &sentringing, status);
peer = wait_for_answer(chan, outgoing, &to, &allowredir_in, &allowredir_out, &allowdisconnect, &sentringing, status, sizeof(status));
if (!peer) {
if (to)
@@ -849,7 +849,7 @@ static int dial_exec(struct ast_channel *chan, void *data)
/* Once call is answered, ditch the OSP Handle */
pbx_builtin_setvar_helper(chan, "OSPHANDLE", "");
#endif
strcpy(status, "ANSWER");
strncpy(status, "ANSWER", sizeof(status) - 1);
/* Ah ha! Someone answered within the desired timeframe. Of course after this
we will always return with -1 so that it is hung up properly after the
conversation. */

12
apps/app_disa.c
View File

@@ -116,7 +116,7 @@ static int disa_exec(struct ast_channel *chan, void *data)
{
int i,j,k,x;
struct localuser *u;
char tmp[256],arg2[256],exten[AST_MAX_EXTENSION],acctcode[20];
char tmp[256],arg2[256]="",exten[AST_MAX_EXTENSION],acctcode[20]="";
struct {
unsigned char offset[AST_FRIENDLY_OFFSET];
unsigned char buf[640];
@@ -149,7 +149,7 @@ static int disa_exec(struct ast_channel *chan, void *data)
ourcontext = strsep(&stringp, "|");
/* if context specified, save 2nd arg and parse third */
if (ourcontext) {
strcpy(arg2,ourcontext);
strncpy(arg2,ourcontext, sizeof(arg2) - 1);
ourcallerid = strsep(&stringp,"|");
}
/* if context not specified, use "disa" */
@@ -291,7 +291,7 @@ static int disa_exec(struct ast_channel *chan, void *data)
k = 1;
i = 0; /* re-set buffer pointer */
exten[sizeof(acctcode)] = 0;
strcpy(acctcode,exten);
strncpy(acctcode,exten, sizeof(acctcode) - 1);
exten[0] = 0;
ast_log(LOG_DEBUG,"Successful DISA log-in on chan %s\n",chan->name);
continue;
@@ -316,9 +316,9 @@ static int disa_exec(struct ast_channel *chan, void *data)
if (chan->callerid) free(chan->callerid);
chan->callerid = strdup(ourcallerid);
}
strcpy(chan->exten,exten);
strcpy(chan->context,ourcontext);
strcpy(chan->accountcode,acctcode);
strncpy(chan->exten, exten, sizeof(chan->exten) - 1);
strncpy(chan->context, ourcontext, sizeof(chan->context) - 1);
strncpy(chan->accountcode, acctcode, sizeof(chan->accountcode) - 1);
chan->priority = 0;
ast_cdr_init(chan->cdr,chan);
LOCAL_USER_REMOVE(u);

6
apps/app_enumlookup.c
View File

@@ -47,7 +47,7 @@ static char *descrip =
#define ENUM_CONFIG "enum.conf"
static char h323driver[80];
static char h323driver[80] = "";
#define H323DRIVERDEFAULT "H323"
STANDARD_LOCAL_USER;
@@ -148,9 +148,9 @@ static int load_config(void)
cfg = ast_load(ENUM_CONFIG);
if (cfg) {
if (!(s=ast_variable_retrieve(cfg, "general", "h323driver"))) {
strcpy(h323driver, H323DRIVERDEFAULT);
strncpy(h323driver, H323DRIVERDEFAULT, sizeof(h323driver) - 1);
} else {
strcpy(h323driver, s);
strncpy(h323driver, s, sizeof(h323driver) - 1);
}
ast_destroy(cfg);
return 0;

14
apps/app_festival.c
View File

@@ -268,9 +268,9 @@ static int festival_exec(struct ast_channel *chan, void *vdata)
int i;
struct MD5Context md5ctx;
unsigned char MD5Res[16];
char MD5Hex[33];
char koko[4];
char cachefile[MAXFESTLEN];
char MD5Hex[33] = "";
char koko[4] = "";
char cachefile[MAXFESTLEN]="";
int readcache=0;
int writecache=0;
int strln;
@@ -348,18 +348,18 @@ static int festival_exec(struct ast_channel *chan, void *vdata)
MD5Init(&md5ctx);
MD5Update(&md5ctx,(unsigned char const *)data,strlen(data));
MD5Final(MD5Res,&md5ctx);
strcpy(MD5Hex,"");
MD5Hex[0] = '\0';
/* Convert to HEX and look if there is any matching file in the cache
directory */
for (i=0;i<16;i++) {
sprintf(koko,"%X",MD5Res[i]);
strcat(MD5Hex,koko);
snprintf(koko, sizeof(koko), "%X",MD5Res[i]);
strncat(MD5Hex, koko, sizeof(MD5Hex) - strlen(MD5Hex) - 1);
}
readcache=0;
writecache=0;
if (strlen(cachedir)+strlen(MD5Hex)+1<=MAXFESTLEN && (usecache==-1)) {
sprintf(cachefile,"%s/%s",cachedir,MD5Hex);
snprintf(cachefile, sizeof(cachefile), "%s/%s", cachedir, MD5Hex);
fdesc=open(cachefile,O_RDWR);
if (fdesc==-1) {
fdesc=open(cachefile,O_CREAT|O_RDWR,0);

20
apps/app_getcpeid.c
View File

@@ -67,9 +67,9 @@ static int cpeid_exec(struct ast_channel *chan, void *idata)
stuff[2] = data[2];
stuff[3] = data[3];
memset(data, 0, sizeof(data));
strcpy(stuff[0], "** CPE Info **");
strcpy(stuff[1], "Identifying CPE...");
strcpy(stuff[2], "Please wait...");
strncpy(stuff[0], "** CPE Info **", sizeof(data[0]) - 1);
strncpy(stuff[1], "Identifying CPE...", sizeof(data[1]) - 1);
strncpy(stuff[2], "Please wait...", sizeof(data[2]) - 1);
res = adsi_load_session(chan, NULL, 0, 1);
if (res > 0) {
cpeid_setstatus(chan, stuff, 0);
@@ -80,8 +80,8 @@ static int cpeid_exec(struct ast_channel *chan, void *idata)
ast_verbose(VERBOSE_PREFIX_3 "Got CPEID of '%02x:%02x:%02x:%02x' on '%s'\n", cpeid[0], cpeid[1], cpeid[2], cpeid[3], chan->name);
}
if (res > -1) {
strcpy(stuff[1], "Measuring CPE...");
strcpy(stuff[2], "Please wait...");
strncpy(stuff[1], "Measuring CPE...", sizeof(data[1]) - 1);
strncpy(stuff[2], "Please wait...", sizeof(data[2]) - 1);
cpeid_setstatus(chan, stuff, 0);
res = adsi_get_cpeinfo(chan, &width, &height, &buttons, 0);
if (res > -1) {
@@ -92,14 +92,14 @@ static int cpeid_exec(struct ast_channel *chan, void *idata)
}
if (res > -1) {
if (gotcpeid)
sprintf(stuff[1], "CPEID: %02x:%02x:%02x:%02x", cpeid[0], cpeid[1], cpeid[2], cpeid[3]);
snprintf(stuff[1], sizeof(data[1]), "CPEID: %02x:%02x:%02x:%02x", cpeid[0], cpeid[1], cpeid[2], cpeid[3]);
else
strcpy(stuff[1], "CPEID Unknown");
strncpy(stuff[1], "CPEID Unknown", sizeof(data[1]) - 1);
if (gotgeometry)
sprintf(stuff[2], "Geom: %dx%d, %d buttons", width, height, buttons);
snprintf(stuff[2], sizeof(data[2]), "Geom: %dx%d, %d buttons", width, height, buttons);
else
strcpy(stuff[2], "Geometry unknown");
strcpy(stuff[3], "Press # to exit");
strncpy(stuff[2], "Geometry unknown", sizeof(data[2]) - 1);
strncpy(stuff[3], "Press # to exit", sizeof(data[3]) - 1);
cpeid_setstatus(chan, stuff, 1);
for(;;) {
res = ast_waitfordigit(chan, 1000);

2
apps/app_hasnewvoicemail.c
View File

@@ -113,7 +113,7 @@ static int hasvoicemail_exec(struct ast_channel *chan, void *data)
/* Set the count in the channel variable */
if (varname) {
char tmp[12];
snprintf(tmp, sizeof(tmp) - 1, "%d", vmcount);
snprintf(tmp, sizeof(tmp), "%d", vmcount);
pbx_builtin_setvar_helper(chan, varname, tmp);
}

9
apps/app_macro.c
View File

@@ -122,8 +122,9 @@ static int macro_exec(struct ast_channel *chan, void *data)
pbx_builtin_setvar_helper(chan, "MACRO_OFFSET", NULL);
/* Setup environment for new run */
strcpy(chan->exten, "s");
strncpy(chan->context, fullmacro, sizeof(chan->context));
chan->exten[0] = 's';
chan->exten[1] = '\0';
strncpy(chan->context, fullmacro, sizeof(chan->context) - 1);
chan->priority = 1;
while((cur = strsep(&rest, "|")) && (argc < MAX_ARGS)) {
@@ -193,8 +194,8 @@ out:
pbx_builtin_setvar_helper(chan, "MACRO_PRIORITY", save_macro_priority);
if (save_macro_priority) free(save_macro_priority);
if (setmacrocontext) {
strcpy(chan->macrocontext, "");
strcpy(chan->macroexten, "");
chan->macrocontext[0] = '\0';
chan->macroexten[0] = '\0';
chan->macropriority = 0;
}

48
apps/app_meetme.c
View File

@@ -303,7 +303,7 @@ static int conf_cmd(int fd, int argc, char **argv) {
ast_cli(fd, header_format, "Conf Num", "Parties", "Marked", "Activity", "Creation");
while(cnf) {
if (cnf->markedusers < 0)
strcpy(cmdline, "N/A ");
strncpy(cmdline, "N/A ", sizeof(cmdline) - 1);
else
snprintf(cmdline, sizeof(cmdline), "%4.4d", cnf->markedusers);
hr = (now - cnf->start) / 3600;
@@ -320,37 +320,37 @@ static int conf_cmd(int fd, int argc, char **argv) {
}
if (argc < 3)
return RESULT_SHOWUSAGE;
strncpy(cmdline, argv[2], 100); /* Argv 2: conference number */
strncpy(cmdline, argv[2], sizeof(cmdline) - 1); /* Argv 2: conference number */
if (strstr(argv[1], "lock")) {
if (strcmp(argv[1], "lock") == 0) {
/* Lock */
strcat(cmdline, "|L");
strncat(cmdline, "|L", sizeof(cmdline) - strlen(cmdline) - 1);
} else {
/* Unlock */
strcat(cmdline, "|l");
strncat(cmdline, "|l", sizeof(cmdline) - strlen(cmdline) - 1);
}
} else if (strstr(argv[1], "mute")) {
if (argc < 4)
return RESULT_SHOWUSAGE;
if (strcmp(argv[1], "mute") == 0) {
/* Mute */
strcat(cmdline, "|M|");
strcat(cmdline, argv[3]);
strncat(cmdline, "|M|", sizeof(cmdline) - strlen(cmdline) - 1);
strncat(cmdline, argv[3], sizeof(cmdline) - strlen(cmdline) - 1);
} else {
/* Unmute */
strcat(cmdline, "|m|");
strcat(cmdline, argv[3]);
strncat(cmdline, "|m|", sizeof(cmdline) - strlen(cmdline) - 1);
strncat(cmdline, argv[3], sizeof(cmdline) - strlen(cmdline) - 1);
}
} else if (strcmp(argv[1], "kick") == 0) {
if (argc < 4)
return RESULT_SHOWUSAGE;
if (strcmp(argv[3], "all") == 0) {
/* Kick all */
strcat(cmdline, "|K");
strncat(cmdline, "|K", sizeof(cmdline) - strlen(cmdline) - 1);
} else {
/* Kick a single user */
strcat(cmdline, "|k|");
strcat(cmdline, argv[3]);
strncat(cmdline, "|k|", sizeof(cmdline) - strlen(cmdline) - 1);
strncat(cmdline, argv[3], sizeof(cmdline) - strlen(cmdline) - 1);
}
} else if(strcmp(argv[1], "list") == 0) {
/* List all the users in a conference */
@@ -443,7 +443,7 @@ static char *complete_confcmd(char *line, char *word, int pos, int state) {
/* Search for the user */
usr = cnf->firstuser;
while(usr) {
sprintf(usrno, "%i", usr->user_no);
snprintf(usrno, sizeof(usrno), "%i", usr->user_no);
if (!strncasecmp(word, usrno, strlen(word))) {
if (++which > state)
break;
@@ -503,12 +503,18 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
struct ast_app *app;
char *agifile;
char *agifiledefault = "conf-background.agi";
char meetmesecs[30];
char meetmesecs[30] = "";
ZT_BUFFERINFO bi;
char __buf[CONF_SIZE + AST_FRIENDLY_OFFSET];
char *buf = __buf + AST_FRIENDLY_OFFSET;
if (!user) {
ast_log(LOG_ERROR, "Out of memory\n");
return(ret);
}
memset(user, 0, sizeof(struct ast_conf_user));
user->user_no = 0; /* User number 0 means starting up user! (dead - not in the list!) */
if (conf->locked) {
@@ -548,7 +554,7 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
conf->lastuser = user;
}
}
strncpy(user->usrvalue, "test", sizeof(user->usrvalue));
strncpy(user->usrvalue, "test", sizeof(user->usrvalue) - 1);
user->chan = chan;
user->userflags = confflags;
user->adminflags = 0;
@@ -1006,7 +1012,7 @@ outrun:
ast_log(LOG_ERROR, "Bad! Bad! Bad! user->prevuser is NULL but we're not the beginning!\n");
}
/* Return the number of seconds the user was in the conf */
sprintf(meetmesecs, "%i", (int) (user->jointime - time(NULL)));
snprintf(meetmesecs, sizeof(meetmesecs), "%i", (int) (user->jointime - time(NULL)));
pbx_builtin_setvar_helper(chan, "MEETMESECS", meetmesecs);
}
}
@@ -1144,7 +1150,7 @@ static int conf_exec(struct ast_channel *chan, void *data)
if (info) {
char *tmp = strsep(&info, "|");
strncpy(confno, tmp, sizeof(confno));
strncpy(confno, tmp, sizeof(confno) - 1);
if (ast_strlen_zero(confno)) {
allowretry = 1;
}
@@ -1273,7 +1279,7 @@ static int conf_exec(struct ast_channel *chan, void *data)
if (ast_strlen_zero(confno) && dynamic) {
for (i=0;i<1024;i++) {
if (!map[i]) {
snprintf(confno, sizeof(confno) - 1, "%d", i);
snprintf(confno, sizeof(confno), "%d", i);
break;
}
}
@@ -1301,7 +1307,7 @@ static int conf_exec(struct ast_channel *chan, void *data)
res = ast_app_getdata(chan, "conf-getconfno", confno, sizeof(confno) - 1, 0);
if (res < 0) {
/* Don't try to validate when we catch an error */
strcpy(confno, "");
confno[0] = '\0';
allowretry = 0;
break;
}
@@ -1315,7 +1321,7 @@ static int conf_exec(struct ast_channel *chan, void *data)
ast_waitstream(chan, "");
res = -1;
if (allowretry)
strcpy(confno, "");
confno[0] = '\0';
} else {
if (!ast_strlen_zero(cnf->pin)) {
char pin[AST_MAX_EXTENSION];
@@ -1340,7 +1346,7 @@ static int conf_exec(struct ast_channel *chan, void *data)
ast_waitstream(chan, "");
res = -1;
if (allowretry)
strcpy(confno, "");
confno[0] = '\0';
}
} else {
res = -1;
@@ -1367,7 +1373,7 @@ static struct ast_conf_user* find_user(struct ast_conference *conf, char *caller
if (conf && callerident) {
user = conf->firstuser;
while(user) {
sprintf(usrno, "%i", user->user_no);
snprintf(usrno, sizeof(usrno), "%i", user->user_no);
if (strcmp(usrno, callerident) == 0)
return user;
user = user->nextuser;