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Diffstat (limited to 'package/uhttpd/src/uhttpd-utils.c')
-rw-r--r--package/uhttpd/src/uhttpd-utils.c244
1 files changed, 124 insertions, 120 deletions
diff --git a/package/uhttpd/src/uhttpd-utils.c b/package/uhttpd/src/uhttpd-utils.c
index 1dac33db0f..18969e74dd 100644
--- a/package/uhttpd/src/uhttpd-utils.c
+++ b/package/uhttpd/src/uhttpd-utils.c
@@ -41,7 +41,7 @@ const char * sa_straddr(void *sa)
struct sockaddr_in *v4 = (struct sockaddr_in *)sa;
struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)sa;
- if( v4->sin_family == AF_INET )
+ if (v4->sin_family == AF_INET)
return inet_ntop(AF_INET, &(v4->sin_addr), str, sizeof(str));
else
return inet_ntop(AF_INET6, &(v6->sin6_addr), str, sizeof(str));
@@ -64,7 +64,7 @@ int sa_rfc1918(void *sa)
struct sockaddr_in *v4 = (struct sockaddr_in *)sa;
unsigned long a = htonl(v4->sin_addr.s_addr);
- if( v4->sin_family == AF_INET )
+ if (v4->sin_family == AF_INET)
{
return ((a >= 0x0A000000) && (a <= 0x0AFFFFFF)) ||
((a >= 0xAC100000) && (a <= 0xAC1FFFFF)) ||
@@ -80,22 +80,22 @@ char *strfind(char *haystack, int hslen, const char *needle, int ndlen)
int match = 0;
int i, j;
- for( i = 0; i < hslen; i++ )
+ for (i = 0; i < hslen; i++)
{
- if( haystack[i] == needle[0] )
+ if (haystack[i] == needle[0])
{
match = ((ndlen == 1) || ((i + ndlen) <= hslen));
- for( j = 1; (j < ndlen) && ((i + j) < hslen); j++ )
+ for (j = 1; (j < ndlen) && ((i + j) < hslen); j++)
{
- if( haystack[i+j] != needle[j] )
+ if (haystack[i+j] != needle[j])
{
match = 0;
break;
}
}
- if( match )
+ if (match)
return &haystack[i];
}
}
@@ -160,7 +160,7 @@ int uh_tcp_peek(struct client *cl, char *buf, int len)
int sz = uh_tcp_recv(cl, buf, len);
/* store received data in peek buffer */
- if( sz > 0 )
+ if (sz > 0)
{
cl->peeklen = sz;
memcpy(cl->peekbuf, buf, sz);
@@ -220,7 +220,8 @@ int uh_tcp_recv(struct client *cl, char *buf, int len)
}
-int uh_http_sendhf(struct client *cl, int code, const char *summary, const char *fmt, ...)
+int uh_http_sendhf(struct client *cl, int code, const char *summary,
+ const char *fmt, ...)
{
va_list ap;
@@ -253,10 +254,10 @@ int uh_http_sendc(struct client *cl, const char *data, int len)
char chunk[8];
int clen;
- if( len == -1 )
+ if (len == -1)
len = strlen(data);
- if( len > 0 )
+ if (len > 0)
{
clen = snprintf(chunk, sizeof(chunk), "%X\r\n", len);
ensure_ret(uh_tcp_send(cl, chunk, clen));
@@ -271,9 +272,9 @@ int uh_http_sendc(struct client *cl, const char *data, int len)
return 0;
}
-int uh_http_sendf(
- struct client *cl, struct http_request *req, const char *fmt, ...
-) {
+int uh_http_sendf(struct client *cl, struct http_request *req,
+ const char *fmt, ...)
+{
va_list ap;
char buffer[UH_LIMIT_MSGHEAD];
int len;
@@ -282,23 +283,23 @@ int uh_http_sendf(
len = vsnprintf(buffer, sizeof(buffer), fmt, ap);
va_end(ap);
- if( (req != NULL) && (req->version > 1.0) )
+ if ((req != NULL) && (req->version > 1.0))
ensure_ret(uh_http_sendc(cl, buffer, len));
- else if( len > 0 )
+ else if (len > 0)
ensure_ret(uh_tcp_send(cl, buffer, len));
return 0;
}
-int uh_http_send(
- struct client *cl, struct http_request *req, const char *buf, int len
-) {
- if( len < 0 )
+int uh_http_send(struct client *cl, struct http_request *req,
+ const char *buf, int len)
+{
+ if (len < 0)
len = strlen(buf);
- if( (req != NULL) && (req->version > 1.0) )
+ if ((req != NULL) && (req->version > 1.0))
ensure_ret(uh_http_sendc(cl, buf, len));
- else if( len > 0 )
+ else if (len > 0)
ensure_ret(uh_tcp_send(cl, buf, len));
return 0;
@@ -318,11 +319,11 @@ int uh_urldecode(char *buf, int blen, const char *src, int slen)
(((x) <= 'F') ? ((x) - 'A' + 10) : \
((x) - 'a' + 10)))
- for( i = 0; (i < slen) && (len < blen); i++ )
+ for (i = 0; (i < slen) && (len < blen); i++)
{
- if( src[i] == '%' )
+ if (src[i] == '%')
{
- if( ((i+2) < slen) && isxdigit(src[i+1]) && isxdigit(src[i+2]) )
+ if (((i+2) < slen) && isxdigit(src[i+1]) && isxdigit(src[i+2]))
{
buf[len++] = (char)(16 * hex(src[i+1]) + hex(src[i+2]));
i += 2;
@@ -358,14 +359,14 @@ int uh_urlencode(char *buf, int blen, const char *src, int slen)
int len = 0;
const char hex[] = "0123456789abcdef";
- for( i = 0; (i < slen) && (len < blen); i++ )
+ for (i = 0; (i < slen) && (len < blen); i++)
{
if( isalnum(src[i]) || (src[i] == '-') || (src[i] == '_') ||
(src[i] == '.') || (src[i] == '~') )
{
buf[len++] = src[i];
}
- else if( (len+3) <= blen )
+ else if ((len+3) <= blen)
{
buf[len++] = '%';
buf[len++] = hex[(src[i] >> 4) & 15];
@@ -390,30 +391,30 @@ int uh_b64decode(char *buf, int blen, const unsigned char *src, int slen)
unsigned int cout = 0;
- for( i = 0; (i <= slen) && (src[i] != 0); i++ )
+ for (i = 0; (i <= slen) && (src[i] != 0); i++)
{
cin = src[i];
- if( (cin >= '0') && (cin <= '9') )
+ if ((cin >= '0') && (cin <= '9'))
cin = cin - '0' + 52;
- else if( (cin >= 'A') && (cin <= 'Z') )
+ else if ((cin >= 'A') && (cin <= 'Z'))
cin = cin - 'A';
- else if( (cin >= 'a') && (cin <= 'z') )
+ else if ((cin >= 'a') && (cin <= 'z'))
cin = cin - 'a' + 26;
- else if( cin == '+' )
+ else if (cin == '+')
cin = 62;
- else if( cin == '/' )
+ else if (cin == '/')
cin = 63;
- else if( cin == '=' )
+ else if (cin == '=')
cin = 0;
else
continue;
cout = (cout << 6) | cin;
- if( (i % 4) == 3 )
+ if ((i % 4) == 3)
{
- if( (len + 3) < blen )
+ if ((len + 3) < blen)
{
buf[len++] = (char)(cout >> 16);
buf[len++] = (char)(cout >> 8);
@@ -440,7 +441,7 @@ static char * canonpath(const char *path, char *path_resolved)
/* relative -> absolute */
- if( *path != '/' )
+ if (*path != '/')
{
getcwd(path_copy, PATH_MAX);
strncat(path_copy, "/", PATH_MAX - strlen(path_copy));
@@ -452,32 +453,32 @@ static char * canonpath(const char *path, char *path_resolved)
}
/* normalize */
- while( (*path_cpy != '\0') && (path_cpy < (path_copy + PATH_MAX - 2)) )
+ while ((*path_cpy != '\0') && (path_cpy < (path_copy + PATH_MAX - 2)))
{
- if( *path_cpy == '/' )
+ if (*path_cpy == '/')
{
/* skip repeating / */
- if( path_cpy[1] == '/' )
+ if (path_cpy[1] == '/')
{
path_cpy++;
continue;
}
/* /./ or /../ */
- else if( path_cpy[1] == '.' )
+ else if (path_cpy[1] == '.')
{
/* skip /./ */
- if( (path_cpy[2] == '/') || (path_cpy[2] == '\0') )
+ if ((path_cpy[2] == '/') || (path_cpy[2] == '\0'))
{
path_cpy += 2;
continue;
}
/* collapse /x/../ */
- else if( (path_cpy[2] == '.') &&
- ((path_cpy[3] == '/') || (path_cpy[3] == '\0'))
- ) {
- while( (path_res > path_resolved) && (*--path_res != '/') )
+ else if ((path_cpy[2] == '.') &&
+ ((path_cpy[3] == '/') || (path_cpy[3] == '\0')))
+ {
+ while ((path_res > path_resolved) && (*--path_res != '/'))
;
path_cpy += 3;
@@ -490,15 +491,15 @@ static char * canonpath(const char *path, char *path_resolved)
}
/* remove trailing slash if not root / */
- if( (path_res > (path_resolved+1)) && (path_res[-1] == '/') )
+ if ((path_res > (path_resolved+1)) && (path_res[-1] == '/'))
path_res--;
- else if( path_res == path_resolved )
+ else if (path_res == path_resolved)
*path_res++ = '/';
*path_res = '\0';
/* test access */
- if( !stat(path_resolved, &s) && (s.st_mode & S_IROTH) )
+ if (!stat(path_resolved, &s) && (s.st_mode & S_IROTH))
return path_resolved;
return NULL;
@@ -523,7 +524,7 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
struct stat s;
/* back out early if url is undefined */
- if ( url == NULL )
+ if (url == NULL)
return NULL;
memset(path_phys, 0, sizeof(path_phys));
@@ -533,46 +534,50 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
/* copy docroot */
memcpy(buffer, docroot,
- min(strlen(docroot), sizeof(buffer) - 1));
+ min(strlen(docroot), sizeof(buffer) - 1));
/* separate query string from url */
- if( (pathptr = strchr(url, '?')) != NULL )
+ if ((pathptr = strchr(url, '?')) != NULL)
{
p.query = pathptr[1] ? pathptr + 1 : NULL;
/* urldecode component w/o query */
- if( pathptr > url )
- if ( uh_urldecode(
- &buffer[strlen(docroot)],
- sizeof(buffer) - strlen(docroot) - 1,
- url, pathptr - url ) < 0 )
+ if (pathptr > url)
+ {
+ if (uh_urldecode(&buffer[strlen(docroot)],
+ sizeof(buffer) - strlen(docroot) - 1,
+ url, pathptr - url ) < 0)
+ {
return NULL; /* bad URL */
+ }
+ }
}
/* no query string, decode all of url */
else
{
- if ( uh_urldecode(
- &buffer[strlen(docroot)],
- sizeof(buffer) - strlen(docroot) - 1,
- url, strlen(url) ) < 0 )
+ if (uh_urldecode(&buffer[strlen(docroot)],
+ sizeof(buffer) - strlen(docroot) - 1,
+ url, strlen(url) ) < 0)
+ {
return NULL; /* bad URL */
+ }
}
/* create canon path */
- for( i = strlen(buffer), slash = (buffer[max(0, i-1)] == '/'); i >= 0; i-- )
+ for (i = strlen(buffer), slash = (buffer[max(0, i-1)] == '/'); i >= 0; i--)
{
- if( (buffer[i] == 0) || (buffer[i] == '/') )
+ if ((buffer[i] == 0) || (buffer[i] == '/'))
{
memset(path_info, 0, sizeof(path_info));
memcpy(path_info, buffer, min(i + 1, sizeof(path_info) - 1));
- if( no_sym ? realpath(path_info, path_phys)
- : canonpath(path_info, path_phys)
- ) {
+ if (no_sym ? realpath(path_info, path_phys)
+ : canonpath(path_info, path_phys))
+ {
memset(path_info, 0, sizeof(path_info));
memcpy(path_info, &buffer[i],
- min(strlen(buffer) - i, sizeof(path_info) - 1));
+ min(strlen(buffer) - i, sizeof(path_info) - 1));
break;
}
@@ -580,18 +585,18 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
}
/* check whether found path is within docroot */
- if( strncmp(path_phys, docroot, strlen(docroot)) ||
- ((path_phys[strlen(docroot)] != 0) &&
- (path_phys[strlen(docroot)] != '/'))
- ) {
+ if (strncmp(path_phys, docroot, strlen(docroot)) ||
+ ((path_phys[strlen(docroot)] != 0) &&
+ (path_phys[strlen(docroot)] != '/')))
+ {
return NULL;
}
/* test current path */
- if( ! stat(path_phys, &p.stat) )
+ if (!stat(path_phys, &p.stat))
{
/* is a regular file */
- if( p.stat.st_mode & S_IFREG )
+ if (p.stat.st_mode & S_IFREG)
{
p.root = docroot;
p.phys = path_phys;
@@ -600,10 +605,10 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
}
/* is a directory */
- else if( (p.stat.st_mode & S_IFDIR) && !strlen(path_info) )
+ else if ((p.stat.st_mode & S_IFDIR) && !strlen(path_info))
{
/* ensure trailing slash */
- if( path_phys[strlen(path_phys)-1] != '/' )
+ if (path_phys[strlen(path_phys)-1] != '/')
path_phys[strlen(path_phys)] = '/';
/* try to locate index file */
@@ -614,7 +619,7 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
/* if requested url resolves to a directory and a trailing slash
is missing in the request url, redirect the client to the same
url with trailing slash appended */
- if( !slash )
+ if (!slash)
{
uh_http_sendf(cl, NULL,
"HTTP/1.1 302 Found\r\n"
@@ -627,11 +632,11 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
p.redirected = 1;
}
- else if( cl->server->conf->index_file )
+ else if (cl->server->conf->index_file)
{
strncat(buffer, cl->server->conf->index_file, sizeof(buffer));
- if( !stat(buffer, &s) && (s.st_mode & S_IFREG) )
+ if (!stat(buffer, &s) && (s.st_mode & S_IFREG))
{
memcpy(path_phys, buffer, sizeof(path_phys));
memcpy(&p.stat, &s, sizeof(p.stat));
@@ -639,11 +644,11 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
}
else
{
- for( i = 0; i < array_size(uh_index_files); i++ )
+ for (i = 0; i < array_size(uh_index_files); i++)
{
strncat(buffer, uh_index_files[i], sizeof(buffer));
- if( !stat(buffer, &s) && (s.st_mode & S_IFREG) )
+ if (!stat(buffer, &s) && (s.st_mode & S_IFREG))
{
memcpy(path_phys, buffer, sizeof(path_phys));
memcpy(&p.stat, &s, sizeof(p.stat));
@@ -680,31 +685,31 @@ struct auth_realm * uh_auth_add(char *path, char *user, char *pass)
memset(new, 0, sizeof(struct auth_realm));
memcpy(new->path, path,
- min(strlen(path), sizeof(new->path) - 1));
+ min(strlen(path), sizeof(new->path) - 1));
memcpy(new->user, user,
- min(strlen(user), sizeof(new->user) - 1));
+ min(strlen(user), sizeof(new->user) - 1));
/* given password refers to a passwd entry */
- if( (strlen(pass) > 3) && !strncmp(pass, "$p$", 3) )
+ if ((strlen(pass) > 3) && !strncmp(pass, "$p$", 3))
{
#ifdef HAVE_SHADOW
/* try to resolve shadow entry */
- if( ((spwd = getspnam(&pass[3])) != NULL) && spwd->sp_pwdp )
+ if (((spwd = getspnam(&pass[3])) != NULL) && spwd->sp_pwdp)
{
memcpy(new->pass, spwd->sp_pwdp,
- min(strlen(spwd->sp_pwdp), sizeof(new->pass) - 1));
+ min(strlen(spwd->sp_pwdp), sizeof(new->pass) - 1));
}
else
#endif
/* try to resolve passwd entry */
- if( ((pwd = getpwnam(&pass[3])) != NULL) && pwd->pw_passwd &&
- (pwd->pw_passwd[0] != '!') && (pwd->pw_passwd[0] != 0)
- ) {
+ if (((pwd = getpwnam(&pass[3])) != NULL) && pwd->pw_passwd &&
+ (pwd->pw_passwd[0] != '!') && (pwd->pw_passwd[0] != 0))
+ {
memcpy(new->pass, pwd->pw_passwd,
- min(strlen(pwd->pw_passwd), sizeof(new->pass) - 1));
+ min(strlen(pwd->pw_passwd), sizeof(new->pass) - 1));
}
}
@@ -715,7 +720,7 @@ struct auth_realm * uh_auth_add(char *path, char *user, char *pass)
min(strlen(pass), sizeof(new->pass) - 1));
}
- if( new->pass[0] )
+ if (new->pass[0])
{
new->next = uh_realms;
uh_realms = new;
@@ -729,9 +734,9 @@ struct auth_realm * uh_auth_add(char *path, char *user, char *pass)
return NULL;
}
-int uh_auth_check(
- struct client *cl, struct http_request *req, struct path_info *pi
-) {
+int uh_auth_check(struct client *cl, struct http_request *req,
+ struct path_info *pi)
+{
int i, plen, rlen, protected;
char buffer[UH_LIMIT_MSGHEAD];
char *user = NULL;
@@ -743,11 +748,11 @@ int uh_auth_check(
protected = 0;
/* check whether at least one realm covers the requested url */
- for( realm = uh_realms; realm; realm = realm->next )
+ for (realm = uh_realms; realm; realm = realm->next)
{
rlen = strlen(realm->path);
- if( (plen >= rlen) && !strncasecmp(pi->name, realm->path, rlen) )
+ if ((plen >= rlen) && !strncasecmp(pi->name, realm->path, rlen))
{
req->realm = realm;
protected = 1;
@@ -756,21 +761,21 @@ int uh_auth_check(
}
/* requested resource is covered by a realm */
- if( protected )
+ if (protected)
{
/* try to get client auth info */
foreach_header(i, req->headers)
{
- if( !strcasecmp(req->headers[i], "Authorization") &&
+ if (!strcasecmp(req->headers[i], "Authorization") &&
(strlen(req->headers[i+1]) > 6) &&
- !strncasecmp(req->headers[i+1], "Basic ", 6)
- ) {
+ !strncasecmp(req->headers[i+1], "Basic ", 6))
+ {
memset(buffer, 0, sizeof(buffer));
uh_b64decode(buffer, sizeof(buffer) - 1,
(unsigned char *) &req->headers[i+1][6],
strlen(req->headers[i+1]) - 6);
- if( (pass = strchr(buffer, ':')) != NULL )
+ if ((pass = strchr(buffer, ':')) != NULL)
{
user = buffer;
*pass++ = 0;
@@ -781,24 +786,24 @@ int uh_auth_check(
}
/* have client auth */
- if( user && pass )
+ if (user && pass)
{
/* find matching realm */
- for( realm = uh_realms; realm; realm = realm->next )
+ for (realm = uh_realms; realm; realm = realm->next)
{
rlen = strlen(realm->path);
- if( (plen >= rlen) &&
- !strncasecmp(pi->name, realm->path, rlen) &&
- !strcmp(user, realm->user)
- ) {
+ if ((plen >= rlen) &&
+ !strncasecmp(pi->name, realm->path, rlen) &&
+ !strcmp(user, realm->user))
+ {
req->realm = realm;
break;
}
}
/* found a realm matching the username */
- if( realm )
+ if (realm)
{
/* check user pass */
if (!strcmp(pass, realm->pass) ||
@@ -832,7 +837,7 @@ struct listener * uh_listener_add(int sock, struct config *conf)
struct listener *new = NULL;
socklen_t sl;
- if( (new = (struct listener *)malloc(sizeof(struct listener))) != NULL )
+ if ((new = (struct listener *)malloc(sizeof(struct listener))) != NULL)
{
memset(new, 0, sizeof(struct listener));
@@ -857,8 +862,8 @@ struct listener * uh_listener_lookup(int sock)
{
struct listener *cur = NULL;
- for( cur = uh_listeners; cur; cur = cur->next )
- if( cur->socket == sock )
+ for (cur = uh_listeners; cur; cur = cur->next)
+ if (cur->socket == sock)
return cur;
return NULL;
@@ -870,7 +875,7 @@ struct client * uh_client_add(int sock, struct listener *serv)
struct client *new = NULL;
socklen_t sl;
- if( (new = (struct client *)malloc(sizeof(struct client))) != NULL )
+ if ((new = (struct client *)malloc(sizeof(struct client))) != NULL)
{
memset(new, 0, sizeof(struct client));
@@ -898,8 +903,8 @@ struct client * uh_client_lookup(int sock)
{
struct client *cur = NULL;
- for( cur = uh_clients; cur; cur = cur->next )
- if( cur->socket == sock )
+ for (cur = uh_clients; cur; cur = cur->next)
+ if (cur->socket == sock)
return cur;
return NULL;
@@ -910,11 +915,11 @@ void uh_client_remove(int sock)
struct client *cur = NULL;
struct client *prv = NULL;
- for( cur = uh_clients; cur; prv = cur, cur = cur->next )
+ for (cur = uh_clients; cur; prv = cur, cur = cur->next)
{
- if( cur->socket == sock )
+ if (cur->socket == sock)
{
- if( prv )
+ if (prv)
prv->next = cur->next;
else
uh_clients = cur->next;
@@ -933,8 +938,7 @@ struct interpreter * uh_interpreter_add(const char *extn, const char *path)
{
struct interpreter *new = NULL;
- if( (new = (struct interpreter *)
- malloc(sizeof(struct interpreter))) != NULL )
+ if ((new = (struct interpreter *)malloc(sizeof(struct interpreter))) != NULL)
{
memset(new, 0, sizeof(struct interpreter));
@@ -955,11 +959,11 @@ struct interpreter * uh_interpreter_lookup(const char *path)
struct interpreter *cur = NULL;
const char *e;
- for( cur = uh_interpreters; cur; cur = cur->next )
+ for (cur = uh_interpreters; cur; cur = cur->next)
{
e = &path[max(strlen(path) - strlen(cur->extn), 0)];
- if( !strcmp(e, cur->extn) )
+ if (!strcmp(e, cur->extn))
return cur;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-18 17:20:51 +0000