53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
#include "inject_pkt.h"
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int inject_ipv4_pkt(char *ip4_addr, uint8_t *data, uint32_t len)
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{
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int fd = 0;
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struct sockaddr_in saddr4 = {0};
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saddr4.sin_family = PF_INET;
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saddr4.sin_addr.s_addr = inet_addr(ip4_addr);
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fd = socket(PF_INET, SOCK_RAW, IPPROTO_RAW);
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if (fd == -1)
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{
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LOG_ERROR("Failed at socket(PF_INET, SOCK_RAW), %d: %s", errno, strerror(errno));
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return -1;
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}
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if (sendto(fd, data, len, 0, (struct sockaddr *)&saddr4, sizeof(saddr4)) == -1)
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{
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LOG_ERROR("Failed at send(), %d: %s", errno, strerror(errno));
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close(fd);
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return -1;
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}
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close(fd);
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return 0;
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}
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int inject_ipv6_pkt(char *ip6_addr, uint8_t *data, uint32_t len)
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{
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int fd = 0;
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struct sockaddr_in6 saddr6 = {0};
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saddr6.sin6_family = PF_INET6;
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inet_pton(AF_INET6, ip6_addr, &saddr6.sin6_addr);
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fd = socket(PF_INET6, SOCK_RAW, IPPROTO_RAW);
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if (fd == -1)
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{
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LOG_ERROR("Failed at socket(PF_INET6, SOCK_RAW), %d: %s", errno, strerror(errno));
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return -1;
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}
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if (sendto(fd, data, len, 0, (struct sockaddr *)&saddr6, sizeof(saddr6)) == -1)
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{
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LOG_ERROR("Failed at send(), %d: %s", errno, strerror(errno));
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close(fd);
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return -1;
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}
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close(fd);
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return 0;
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} |