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Unifying style. - geomyidae - A small C-based gopherd.
git clone git://bitreich.org/geomyidae/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfri…
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---
commit b3a670dc6f8379b16c6f86e76b1a6f84fc75bf54
parent b5deb9c4f2c6c495d553fa22bd16e743848e2de6
Author: Christoph Lohmann <[email protected]>
Date: Sun, 26 Nov 2017 17:51:03 +0100
Unifying style.
Diffstat:
M handlr.c | 37 ++++++++++++++++-------------…
M ind.c | 42 ++++++++++++++++-------------…
M main.c | 149 ++++++++++++++++-------------…
3 files changed, 116 insertions(+), 112 deletions(-)
---
diff --git a/handlr.c b/handlr.c
@@ -34,12 +34,12 @@ handledir(int sock, char *path, char *port, char *base, cha…
pa = xstrdup(path);
e = pa + strlen(pa) - 1;
- if(e[0] == '/')
+ if (e[0] == '/')
*e = '\0';
par = xstrdup(pa);
b = strrchr(par + strlen(base), '/');
- if(b != nil) {
+ if (b != nil) {
*b = '\0';
dprintf(sock, "1..\t%s\t%s\t%s\r\n",
par + strlen(base), ohost, port);
@@ -47,13 +47,13 @@ handledir(int sock, char *path, char *port, char *base, cha…
free(par);
ndir = scandir(pa, &dirent, 0, alphasort);
- if(ndir < 0) {
+ if (ndir < 0) {
perror("scandir");
free(pa);
return;
} else {
- for(i = 0; i < ndir && ret >= 0; i++) {
- if(dirent[i]->d_name[0] == '.') {
+ for (i = 0; i < ndir && ret >= 0; i++) {
+ if (dirent[i]->d_name[0] == '.') {
free(dirent[i]);
continue;
}
@@ -61,7 +61,7 @@ handledir(int sock, char *path, char *port, char *base, char …
type = gettype(dirent[i]->d_name);
file = smprintf("%s/%s", pa,
dirent[i]->d_name);
- if(stat(file, &st) >= 0 && S_ISDIR(st.st_mode))
+ if (stat(file, &st) >= 0 && S_ISDIR(st.st_mode))
type = gettype("index.gph");
e = file + strlen(base);
ret = dprintf(sock, "%c%s\t%s\t%s\t%s\r\n", *type->typ…
@@ -88,8 +88,8 @@ handlegph(int sock, char *file, char *port, char *base, char …
USED(sear);
act = scanfile(file);
- if(act != nil) {
- for(i = 0; i < act->num && ret >= 0; i++) {
+ if (act != nil) {
+ for (i = 0; i < act->num && ret >= 0; i++) {
ret = printelem(sock, act->n[i], ohost, port);
freeelem(act->n[i]);
act->n[i] = nil;
@@ -113,8 +113,8 @@ handlebin(int sock, char *file, char *port, char *base, cha…
USED(ohost);
fd = open(file, O_RDONLY);
- if(fd >= 0) {
- if(xsendfile(fd, sock) < 0)
+ if (fd >= 0) {
+ if (xsendfile(fd, sock) < 0)
perror("sendfile");
close(fd);
}
@@ -142,15 +142,15 @@ handlecgi(int sock, char *file, char *port, char *base, c…
if (p == nil)
p = file;
- if(sear == nil)
+ if (sear == nil)
sear = "";
- if(args == nil)
+ if (args == nil)
args = "";
dup2(sock, 0);
dup2(sock, 1);
dup2(sock, 2);
- switch(fork()) {
+ switch (fork()) {
case 0:
if (path != nil) {
if (chdir(path) < 0)
@@ -184,7 +184,7 @@ handledcgi(int sock, char *file, char *port, char *base, ch…
USED(base);
- if(pipe(outpipe) < 0)
+ if (pipe(outpipe) < 0)
return;
path = xstrdup(file);
@@ -197,17 +197,17 @@ handledcgi(int sock, char *file, char *port, char *base, …
}
p = strrchr(file, '/');
- if(p == nil)
+ if (p == nil)
p = file;
- if(sear == nil)
+ if (sear == nil)
sear = "";
- if(args == nil)
+ if (args == nil)
args = "";
dup2(sock, 0);
dup2(sock, 2);
- switch(fork()) {
+ switch (fork()) {
case 0:
dup2(outpipe[1], 1);
close(outpipe[0]);
@@ -254,3 +254,4 @@ handledcgi(int sock, char *file, char *port, char *base, ch…
break;
}
}
+
diff --git a/ind.c b/ind.c
@@ -80,8 +80,8 @@ xsendfile(int fd, int sock)
setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, &optval, sizeof(int));
#endif
- if(fstat(fd, &st) >= 0) {
- if((bufsiz = st.st_blksize) < BUFSIZ)
+ if (fstat(fd, &st) >= 0) {
+ if ((bufsiz = st.st_blksize) < BUFSIZ)
bufsiz = BUFSIZ;
count = st.st_size;
}
@@ -96,8 +96,8 @@ xsendfile(int fd, int sock)
if (count == 0) {
sendb = xmalloc(bufsiz);
- while((len = read(fd, sendb, bufsiz)) > 0) {
- while(len > 0) {
+ while ((len = read(fd, sendb, bufsiz)) > 0) {
+ while (len > 0) {
if ((sent = send(sock, sendb, len, 0)) < 0) {
close(fd);
free(sendb);
@@ -177,12 +177,12 @@ gettype(char *filename)
int i;
end = strrchr(filename, '.');
- if(end == nil)
+ if (end == nil)
return &type[0];
end++;
- for(i = 0; type[i].end != nil; i++)
- if(!strcasecmp(end, type[i].end))
+ for (i = 0; type[i].end != nil; i++)
+ if (!strcasecmp(end, type[i].end))
return &type[i];
return &type[0];
@@ -191,10 +191,10 @@ gettype(char *filename)
void
freeelem(Elems *e)
{
- if(e != nil) {
- if(e->e != nil) {
- for(;e->num > 0; e->num--)
- if(e->e[e->num - 1] != nil)
+ if (e != nil) {
+ if (e->e != nil) {
+ for (;e->num > 0; e->num--)
+ if (e->e[e->num - 1] != nil)
free(e->e[e->num - 1]);
free(e->e);
}
@@ -206,9 +206,9 @@ freeelem(Elems *e)
void
freeindex(Indexs *i)
{
- if(i != nil) {
- if(i->n != nil) {
- for(;i->num > 0; i->num--)
+ if (i != nil) {
+ if (i->n != nil) {
+ for (;i->num > 0; i->num--)
freeelem(i->n[i->num - 1]);
free(i->n);
}
@@ -287,7 +287,7 @@ getadv(char *str)
}
b = str;
- if(*str == 't')
+ if (*str == 't')
b++;
addelem(ret, "i");
addelem(ret, b);
@@ -337,7 +337,7 @@ scanfile(char *fname)
free(ln);
fclose(fp);
- if(ret->n == nil) {
+ if (ret->n == nil) {
free(ret);
return nil;
}
@@ -348,11 +348,11 @@ scanfile(char *fname)
int
printelem(int fd, Elems *el, char *addr, char *port)
{
- if(!strcmp(el->e[3], "server")) {
+ if (!strcmp(el->e[3], "server")) {
free(el->e[3]);
el->e[3] = xstrdup(addr);
}
- if(!strcmp(el->e[4], "port")) {
+ if (!strcmp(el->e[4], "port")) {
free(el->e[4]);
el->e[4] = xstrdup(port);
}
@@ -406,14 +406,14 @@ reverselookup(char *host)
rethost = NULL;
- if(inet_pton(AF_INET, host, &hoststr)) {
+ if (inet_pton(AF_INET, host, &hoststr)) {
client = gethostbyaddr((const void *)&hoststr,
sizeof(hoststr), AF_INET);
- if(client != NULL)
+ if (client != NULL)
rethost = xstrdup(client->h_name);
}
- if(rethost == NULL)
+ if (rethost == NULL)
rethost = xstrdup(host);
return rethost;
diff --git a/main.c b/main.c
@@ -66,16 +66,16 @@ char *htredir = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>…
int
dropprivileges(struct group *gr, struct passwd *pw)
{
- if(gr != nil)
- if(setgroups(1, &gr->gr_gid) != 0 || setgid(gr->gr_gid) != 0)
+ if (gr != nil)
+ if (setgroups(1, &gr->gr_gid) != 0 || setgid(gr->gr_gid) != 0)
return -1;
- if(pw != nil) {
- if(gr == nil) {
- if(setgroups(1, &pw->pw_gid) != 0 ||
+ if (pw != nil) {
+ if (gr == nil) {
+ if (setgroups(1, &pw->pw_gid) != 0 ||
setgid(pw->pw_gid) != 0)
return -1;
}
- if(setuid(pw->pw_uid) != 0)
+ if (setuid(pw->pw_uid) != 0)
return -1;
}
@@ -89,7 +89,7 @@ logentry(char *host, char *port, char *qry, char *status)
struct tm *ptr;
char timstr[128], *ahost;
- if(glfd >= 0) {
+ if (glfd >= 0) {
tim = time(0);
ptr = localtime(&tim);
@@ -124,85 +124,86 @@ handlerequest(int sock, char *base, char *ohost, char *po…
return;
c = strchr(recvb, '\r');
- if(c)
+ if (c)
c[0] = '\0';
c = strchr(recvb, '\n');
- if(c)
+ if (c)
c[0] = '\0';
memmove(recvc, recvb, len+1);
- if(!strncmp(recvb, "URL:", 4)) {
+ if (!strncmp(recvb, "URL:", 4)) {
len = snprintf(path, sizeof(path), htredir,
recvb + 4, recvb + 4, recvb + 4);
- if(len > sizeof(path))
+ if (len > sizeof(path))
len = sizeof(path);
send(sock, path, len, 0);
- if(loglvl & HTTP)
+ if (loglvl & HTTP)
logentry(clienth, clientp, recvc, "HTTP redirect");
return;
}
sear = strchr(recvb, '\t');
- if(sear != nil)
+ if (sear != nil)
*sear++ = '\0';
args = strchr(recvb, '?');
- if(args != nil)
+ if (args != nil)
*args++ = '\0';
- if(recvb[0] == '\0') {
+ if (recvb[0] == '\0') {
recvb[0] = '/';
recvb[1] = '\0';
}
- if(recvb[0] != '/' || strstr(recvb, ".."))
+ if (recvb[0] != '/' || strstr(recvb, ".."))
return;
snprintf(path, sizeof(path), "%s%s", base, recvb);
fd = -1;
- if(stat(path, &dir) != -1 && S_ISDIR(dir.st_mode)) {
- for(i = 0; i < sizeof(indexf)/sizeof(indexf)[0]; i++) {
+ if (stat(path, &dir) != -1 && S_ISDIR(dir.st_mode)) {
+ for (i = 0; i < sizeof(indexf)/sizeof(indexf)[0]; i++) {
if (strlen(path) + strlen(indexf[i]) >= sizeof(path)) {
- if(loglvl & ERRORS)
+ if (loglvl & ERRORS)
logentry(clienth, clientp, recvc,
"path truncation occurred");
return;
}
strncat(path, indexf[i], sizeof(path) - strlen(path) -…
fd = open(path, O_RDONLY);
- if(fd >= 0)
+ if (fd >= 0)
break;
path[strlen(path)-strlen(indexf[i])] = '\0';
}
} else {
fd = open(path, O_RDONLY);
- if(fd < 0) {
- if(loglvl & ERRORS)
+ if (fd < 0) {
+ if (loglvl & ERRORS)
logentry(clienth, clientp, recvc, strerror(err…
return;
}
}
- if(fd >= 0) {
+ if (fd >= 0) {
close(fd);
- if(loglvl & FILES)
+ if (loglvl & FILES)
logentry(clienth, clientp, recvc, "serving");
c = strrchr(path, '/');
- if(c == nil)
+ if (c == nil)
c = path;
type = gettype(c);
type->f(sock, path, port, base, args, sear, ohost);
} else {
- if(S_ISDIR(dir.st_mode)) {
+ if (S_ISDIR(dir.st_mode)) {
handledir(sock, path, port, base, args, sear, ohost);
- if(loglvl & DIRS)
+ if (loglvl & DIRS) {
logentry(clienth, clientp, recvc,
"dir listing");
+ }
return;
}
dprintf(sock, err, recvc);
- if(loglvl & ERRORS)
+ if (loglvl & ERRORS)
logentry(clienth, clientp, recvc, "not found");
}
@@ -212,9 +213,9 @@ handlerequest(int sock, char *base, char *ohost, char *port…
void
sighandler(int sig)
{
- switch(sig) {
+ switch (sig) {
case SIGCHLD:
- while(waitpid(-1, NULL, WNOHANG) > 0);
+ while (waitpid(-1, NULL, WNOHANG) > 0);
break;
case SIGHUP:
case SIGINT:
@@ -222,9 +223,9 @@ sighandler(int sig)
case SIGABRT:
case SIGTERM:
case SIGKILL:
- if(logfile != nil)
+ if (logfile != nil)
stoplogging(glfd);
- if(listfd >= 0) {
+ if (listfd >= 0) {
shutdown(listfd, SHUT_RDWR);
close(listfd);
}
@@ -259,18 +260,18 @@ getlistenfd(struct addrinfo *hints, char *bindip, char *p…
listfd = -1;
- if(getaddrinfo(bindip, port, hints, &ai))
+ if (getaddrinfo(bindip, port, hints, &ai))
return -1;
- if(ai == nil)
+ if (ai == nil)
return -1;
on = 1;
- for(rp = ai; rp != nil; rp = rp->ai_next) {
+ for (rp = ai; rp != nil; rp = rp->ai_next) {
listfd = socket(rp->ai_family, rp->ai_socktype,
rp->ai_protocol);
- if(listfd < 0)
+ if (listfd < 0)
continue;
- if(setsockopt(listfd, SOL_SOCKET, SO_REUSEADDR, &on,
+ if (setsockopt(listfd, SOL_SOCKET, SO_REUSEADDR, &on,
sizeof(on)) < 0) {
break;
}
@@ -279,18 +280,20 @@ getlistenfd(struct addrinfo *hints, char *bindip, char *p…
(void *)&((struct sockaddr_in *)rp->ai_addr)->sin_ad…
(void *)&((struct sockaddr_in6 *)rp->ai_addr)->sin6_…
- if(bind(listfd, rp->ai_addr, rp->ai_addrlen) == 0) {
- if(loglvl & CONN && inet_ntop(rp->ai_family, sinaddr,
- addstr, sizeof(addstr)))
+ if (bind(listfd, rp->ai_addr, rp->ai_addrlen) == 0) {
+ if (loglvl & CONN && inet_ntop(rp->ai_family, sinaddr,
+ addstr, sizeof(addstr))) {
logentry(addstr, port, "-", "listening");
+ }
break;
}
close(listfd);
- if(loglvl & CONN && inet_ntop(rp->ai_family, sinaddr,
- addstr, sizeof(addstr)))
+ if (loglvl & CONN && inet_ntop(rp->ai_family, sinaddr,
+ addstr, sizeof(addstr))) {
logentry(addstr, port, "-", "could not bind");
+ }
}
- if(rp == nil)
+ if (rp == nil)
return -1;
freeaddrinfo(ai);
@@ -376,9 +379,9 @@ main(int argc, char *argv[])
usage();
} ARGEND;
- if(ohost == nil) {
+ if (ohost == nil) {
ohost = xcalloc(1, 513);
- if(gethostname(ohost, 512) < 0) {
+ if (gethostname(ohost, 512) < 0) {
perror("gethostname");
free(ohost);
return 1;
@@ -387,22 +390,22 @@ main(int argc, char *argv[])
ohost = xstrdup(ohost);
}
- if(group != nil) {
- if((gr = getgrnam(group)) == nil) {
+ if (group != nil) {
+ if ((gr = getgrnam(group)) == nil) {
perror("no such group");
return 1;
}
}
- if(user != nil) {
- if((us = getpwnam(user)) == nil) {
+ if (user != nil) {
+ if ((us = getpwnam(user)) == nil) {
perror("no such user");
return 1;
}
}
- if(dofork) {
- switch(fork()) {
+ if (dofork) {
+ switch (fork()) {
case -1:
perror("fork");
return 1;
@@ -413,66 +416,66 @@ main(int argc, char *argv[])
}
}
- if(logfile != nil) {
+ if (logfile != nil) {
glfd = initlogging(logfile);
- if(glfd < 0) {
+ if (glfd < 0) {
perror("initlogging");
return 1;
}
- } else if(!dofork) {
+ } else if (!dofork) {
glfd = 1;
}
memset(&hints, 0, sizeof(hints));
hints.ai_flags = AI_PASSIVE;
hints.ai_socktype = SOCK_STREAM;
- if(bindip)
+ if (bindip)
hints.ai_flags |= AI_CANONNAME;
listfd = -1;
- if(v6) {
+ if (v6) {
hints.ai_family = PF_INET6;
listfd = getlistenfd(&hints, bindip, port);
- if(!v4 && listfd < 0) {
+ if (!v4 && listfd < 0) {
perror("getlistenfd6");
return 1;
}
}
- if(v4 && listfd < 0) {
+ if (v4 && listfd < 0) {
hints.ai_family = PF_INET;
listfd = getlistenfd(&hints, bindip, port);
- if(listfd < 0) {
+ if (listfd < 0) {
perror("getlistenfd4");
return 1;
}
}
- if(listfd < 0) {
+ if (listfd < 0) {
perror("You did not specify a TCP port.");
return 1;
}
- if(listen(listfd, 255)) {
+ if (listen(listfd, 255)) {
perror("listen");
close(listfd);
return 1;
}
- if(usechroot) {
- if(chdir(base) < 0) {
+ if (usechroot) {
+ if (chdir(base) < 0) {
perror("chdir");
return 1;
}
base = "";
- if(chroot(".") < 0) {
+ if (chroot(".") < 0) {
perror("chroot");
return 1;
}
- } else if(*base != '/' && !(base = realpath(base, NULL))) {
+ } else if (*base != '/' && !(base = realpath(base, NULL))) {
perror("realpath");
return 1;
}
- if(dropprivileges(gr, us) < 0) {
+ if (dropprivileges(gr, us) < 0) {
perror("dropprivileges");
close(listfd);
return 1;
@@ -481,10 +484,10 @@ main(int argc, char *argv[])
initsignals();
cltlen = sizeof(clt);
- while(running) {
+ while (running) {
sock = accept(listfd, (struct sockaddr *)&clt, &cltlen);
- if(sock < 0) {
- switch(errno) {
+ if (sock < 0) {
+ switch (errno) {
case ECONNABORTED:
case EINTR:
if (!running) {
@@ -504,10 +507,10 @@ main(int argc, char *argv[])
sizeof(clienth), clientp, sizeof(clientp),
NI_NUMERICHOST|NI_NUMERICSERV);
- if(loglvl & CONN)
+ if (loglvl & CONN)
logentry(clienth, clientp, "-", "connected");
- switch(fork()) {
+ switch (fork()) {
case -1:
perror("fork");
shutdown(sock, SHUT_RDWR);
@@ -528,13 +531,13 @@ main(int argc, char *argv[])
break;
}
close(sock);
- if(loglvl & CONN)
+ if (loglvl & CONN)
logentry(clienth, clientp, "-", "disconnected");
}
shutdown(listfd, SHUT_RDWR);
close(listfd);
- if(logfile != nil)
+ if (logfile != nil)
stoplogging(glfd);
free(ohost);
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