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cron: snprint, error handling (update from sources)

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This commit is contained in:
cinap_lenrek 2012-08-03 22:50:21 +02:00
parent 82ece1bb0c
commit b14d7ac38c
1 changed files with 11 additions and 10 deletions
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21
sys/src/cmd/auth/cron.c
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@ -174,7 +174,7 @@ main(int argc, char *argv[])
switch(fork()){
case -1:
fatal("can't fork");
fatal("can't fork: %r");
case 0:
break;
default:
@ -248,18 +248,18 @@ createuser(void)
int fd;
user = getuser();
sprint(file, "/cron/%s", user);
snprint(file, sizeof file, "/cron/%s", user);
fd = create(file, OREAD, 0755|DMDIR);
if(fd < 0)
sysfatal("couldn't create %s: %r", file);
fatal("couldn't create %s: %r", file);
nulldir(&d);
d.gid = user;
dirfwstat(fd, &d);
close(fd);
sprint(file, "/cron/%s/cron", user);
snprint(file, sizeof file, "/cron/%s/cron", user);
fd = create(file, OREAD, 0644);
if(fd < 0)
sysfatal("couldn't create %s: %r", file);
fatal("couldn't create %s: %r", file);
nulldir(&d);
d.gid = user;
dirfwstat(fd, &d);
@ -276,7 +276,7 @@ readalljobs(void)
fd = open("/cron", OREAD);
if(fd < 0)
fatal("can't open /cron\n");
fatal("can't open /cron: %r");
while((n = dirread(fd, &d)) > 0){
for(i = 0; i < n; i++){
if(strcmp(d[i].name, "log") == 0 ||
@ -288,7 +288,7 @@ readalljobs(void)
continue;
}
u = newuser(d[i].name);
sprint(file, "/cron/%s/cron", d[i].name);
snprint(file, sizeof file, "/cron/%s/cron", d[i].name);
du = dirstat(file);
if(du == nil || qidcmp(u->lastqid, du->qid) != 0){
freejobs(u->jobs);
@ -686,7 +686,7 @@ mkcap(char *from, char *to)
uchar rand[20];
char *cap;
char *key;
int nfrom, nto;
int nfrom, nto, ncap;
uchar hash[SHA1dlen];
if(caphashfd < 0)
@ -695,8 +695,9 @@ mkcap(char *from, char *to)
/* create the capability */
nto = strlen(to);
nfrom = strlen(from);
cap = emalloc(nfrom+1+nto+1+sizeof(rand)*3+1);
sprint(cap, "%s@%s", from, to);
ncap = nfrom + 1 + nto + 1 + sizeof(rand)*3 + 1;
cap = emalloc(ncap);
snprint(cap, ncap, "%s@%s", from, to);
memrandom(rand, sizeof(rand));
key = cap+nfrom+1+nto+1;
enc64(key, sizeof(rand)*3, rand, sizeof(rand));