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authorPascal Bleser <>2010-12-04 22:13:00 +0100
committerDaniel Friesel <derf@finalrewind.org>2010-12-04 22:15:22 +0100
commit5091313db27bbbeb8ed53f7eda26299d663051ba (patch)
tree53aef899b326ef998d008b8b36186f80b3df8fb7 /src/imlib.c
parentfc0978a241eadfeda86e61537147fae665e28814 (diff)
imlib.c: Use getaddrinfo in builtin http client, enables IPv6 support
Signed-off-by: Daniel Friesel <derf@finalrewind.org>
Diffstat (limited to 'src/imlib.c')
-rw-r--r--src/imlib.c52
1 files changed, 20 insertions, 32 deletions
diff --git a/src/imlib.c b/src/imlib.c
index 8196340..89271bf 100644
--- a/src/imlib.c
+++ b/src/imlib.c
@@ -262,8 +262,8 @@ char *feh_http_load_image(char *url)
int sockno = 0;
int size;
int body = SAW_NONE;
- struct sockaddr_in addr;
- struct hostent *hptr;
+ struct addrinfo hints;
+ struct addrinfo *result, *rp;
char *hostname;
char *get_string;
char *host_string;
@@ -293,7 +293,12 @@ char *feh_http_load_image(char *url)
D(("trying hostname %s\n", hostname));
- if (!(hptr = feh_gethostbyname(hostname))) {
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_flags = AI_NUMERICSERV;
+ hints.ai_protocol = 0;
+ if (getaddrinfo(hostname, "80", &hints, &result) != 0) {
weprintf("error resolving host %s:", hostname);
fclose(fp);
unlink(tmpname);
@@ -301,30 +306,26 @@ char *feh_http_load_image(char *url)
free(tmpname);
return(NULL);
}
-
- /* Copy the address of the host to socket description. */
- memcpy(&addr.sin_addr, hptr->h_addr, hptr->h_length);
-
- /* Set port and protocol */
- addr.sin_family = AF_INET;
- addr.sin_port = htons(80);
-
- if ((sockno = socket(PF_INET, SOCK_STREAM, 0)) == -1) {
- weprintf("error opening socket:");
- fclose(fp);
- unlink(tmpname);
- free(tmpname);
- free(hostname);
- return(NULL);
+ for (rp = result; rp != NULL; rp = rp->ai_next) {
+ sockno = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
+ if (sockno == -1) {
+ continue;
+ }
+ if (connect(sockno, rp->ai_addr, rp->ai_addrlen) != -1) {
+ break;
+ }
+ close(sockno);
}
- if (connect(sockno, (struct sockaddr *) &addr, sizeof(addr)) == -1) {
+ if (rp == NULL) {
weprintf("error connecting socket:");
+ freeaddrinfo(result);
fclose(fp);
unlink(tmpname);
free(tmpname);
free(hostname);
return(NULL);
}
+ freeaddrinfo(result);
get_url = strchr(url, '/') + 2;
get_url = strchr(get_url, '/');
@@ -468,19 +469,6 @@ char *feh_http_load_image(char *url)
return(tmpname);
}
-struct hostent *feh_gethostbyname(const char *name)
-{
- struct hostent *hp;
- unsigned long addr;
-
- addr = (unsigned long) inet_addr(name);
- if ((int) addr != -1)
- hp = gethostbyaddr((char *) &addr, sizeof(addr), AF_INET);
- else
- hp = gethostbyname(name);
- return(hp);
-}
-
char *feh_strip_hostname(char *url)
{
char *ret;