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Bug 751: file handle leaks can add up until available filehandles for the

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process are exhausted.
This commit is contained in:
Rob Landley 2006-02-22 02:10:34 +00:00
parent d6e14d8bee
commit e8f504e86d
2 changed files with 12 additions and 3 deletions
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12
networking/udhcp/packet.c
View File

@ -177,24 +177,30 @@ int kernel_packet(struct dhcpMessage *payload, uint32_t source_ip, int source_po
if ((fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0)
return -1;
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *) &n, sizeof(n)) == -1)
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *) &n, sizeof(n)) == -1) {
close(fd);
return -1;
}
memset(&client, 0, sizeof(client));
client.sin_family = AF_INET;
client.sin_port = htons(source_port);
client.sin_addr.s_addr = source_ip;
if (bind(fd, (struct sockaddr *)&client, sizeof(struct sockaddr)) == -1)
if (bind(fd, (struct sockaddr *)&client, sizeof(struct sockaddr)) == -1) {
close(fd);
return -1;
}
memset(&client, 0, sizeof(client));
client.sin_family = AF_INET;
client.sin_port = htons(dest_port);
client.sin_addr.s_addr = dest_ip;
if (connect(fd, (struct sockaddr *)&client, sizeof(struct sockaddr)) == -1)
if (connect(fd, (struct sockaddr *)&client, sizeof(struct sockaddr)) == -1) {
close(fd);
return -1;
}
result = write(fd, payload, sizeof(struct dhcpMessage));
close(fd);

3
networking/udhcp/socket.c
View File

@ -62,6 +62,7 @@ int read_interface(char *interface, int *ifindex, uint32_t *addr, uint8_t *arp)
DEBUG(LOG_INFO, "%s (our ip) = %s", ifr.ifr_name, inet_ntoa(our_ip->sin_addr));
} else {
LOG(LOG_ERR, "SIOCGIFADDR failed, is the interface up and configured?: %m");
close(fd);
return -1;
}
}
@ -71,6 +72,7 @@ int read_interface(char *interface, int *ifindex, uint32_t *addr, uint8_t *arp)
*ifindex = ifr.ifr_ifindex;
} else {
LOG(LOG_ERR, "SIOCGIFINDEX failed!: %m");
close(fd);
return -1;
}
if (ioctl(fd, SIOCGIFHWADDR, &ifr) == 0) {
@ -79,6 +81,7 @@ int read_interface(char *interface, int *ifindex, uint32_t *addr, uint8_t *arp)
arp[0], arp[1], arp[2], arp[3], arp[4], arp[5]);
} else {
LOG(LOG_ERR, "SIOCGIFHWADDR failed!: %m");
close(fd);
return -1;
}
} else {